src/reportlab/pdfbase/pdfdoc.py
author rgbecker
Mon, 21 Sep 2009 15:10:33 +0000
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parent 3198 683ca9eb6b18
child 3246 7087d203eb88
permissions -rwxr-xr-x
pdfgen,pdfbase: fix handling of CMYKColorSep spotNames with spaces etc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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#Copyright ReportLab Europe Ltd. 2000-2004
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#see license.txt for license details
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#history http://www.reportlab.co.uk/cgi-bin/viewcvs.cgi/public/reportlab/trunk/reportlab/pdfbase/pdfdoc.py
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__version__=''' $Id$ '''
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__doc__="""
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The module pdfdoc.py handles the 'outer structure' of PDF documents, ensuring that
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all objects are properly cross-referenced and indexed to the nearest byte.  The
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'inner structure' - the page descriptions - are presumed to be generated before
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each page is saved.
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pdfgen.py calls this and provides a 'canvas' object to handle page marking operators.
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piddlePDF calls pdfgen and offers a high-level interface.
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The classes within this generally mirror structures in the PDF file
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and are not part of any public interface.  Instead, canvas and font
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classes are made available elsewhere for users to manipulate.
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"""
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import string, types, binascii, codecs
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from reportlab.pdfbase import pdfutils
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from reportlab.pdfbase.pdfutils import LINEEND # this constant needed in both
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from reportlab import rl_config
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from reportlab.lib.utils import import_zlib, open_for_read, fp_str, _digester
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from reportlab.pdfbase import pdfmetrics
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try:
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    from hashlib import md5
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except ImportError:
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    from md5 import md5
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from sys import platform
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try:
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    from sys import version_info
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except: # pre-2.0
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    # may be inaccurate but will at least
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    #work in anything which seeks to format
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    # version_info into a string
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    version_info = (1,5,2,'unknown',0)
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if platform[:4] == 'java' and version_info[:2] == (2, 1):
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    # workaround for list()-bug in Jython 2.1 (should be fixed in 2.2)
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    def list(sequence):
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        def f(x):
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            return x
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        return map(f, sequence)
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def utf8str(x):
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    if isinstance(x,unicode):
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        return x.encode('utf8')
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    else:
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        return str(x)
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class PDFError(Exception):
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    pass
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# set this flag to get more vertical whitespace (and larger files)
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LongFormat = 1
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##if LongFormat: (doesn't work)
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##    pass
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##else:
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##    LINEEND = "\n" # no wasteful carriage returns!
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# __InternalName__ is a special attribute that can only be set by the Document arbitrator
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__InternalName__ = "__InternalName__"
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# __RefOnly__ marks reference only elements that must be formatted on top level
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__RefOnly__ = "__RefOnly__"
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# __Comment__ provides a (one line) comment to inline with an object ref, if present
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#   if it is more than one line then percentize it...
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__Comment__ = "__Comment__"
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# If DoComments is set then add helpful (space wasting) comment lines to PDF files
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DoComments = 1
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if not LongFormat:
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    DoComments = 0
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# name for standard font dictionary
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BasicFonts = "BasicFonts"
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# name for the pages object
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Pages = "Pages"
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### generic utilities
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# for % substitutions
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LINEENDDICT = {"LINEEND": LINEEND, "PERCENT": "%"}
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PDF_VERSION_DEFAULT = (1, 3)
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PDF_SUPPORT_VERSION = dict(     #map keyword to min version that supports it
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    transparency = (1, 4),
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    )
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from types import InstanceType
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def format(element, document, toplevel=0, InstanceType=InstanceType):
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    """Indirection step for formatting.
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       Ensures that document parameters alter behaviour
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       of formatting for all elements.
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    """
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    if hasattr(element,'__PDFObject__'):
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        if not toplevel and hasattr(element, __RefOnly__):
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            # the object cannot be a component at non top level.
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            # make a reference to it and return it's format
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            return document.Reference(element).format(document)
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        else:
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            f = element.format(document)
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            if not rl_config.invariant and DoComments and hasattr(element, __Comment__):
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                f = "%s%s%s%s" % ("% ", element.__Comment__, LINEEND, f)
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            return f
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    elif type(element) in (float, int):
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        #use a controlled number formatting routine
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        #instead of str, so Jython/Python etc do not differ
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        return fp_str(element)
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    else:
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        return str(element)
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def xObjectName(externalname):
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    return "FormXob.%s" % externalname
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# backwards compatibility
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formName = xObjectName
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# no encryption
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class NoEncryption:
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    def encode(self, t):
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        "encode a string, stream, text"
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        return t
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    def prepare(self, document):
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        # get ready to do encryption
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        pass
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    def register(self, objnum, version):
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        # enter a new direct object
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        pass
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    def info(self):
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        # the representation of self in file if any (should be None or PDFDict)
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        return None
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class DummyDoc:
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    "used to bypass encryption when required"
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    __PDFObject__ = True
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    encrypt = NoEncryption()
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### the global document structure manager
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class PDFDocument:
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    __PDFObject__ = True
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    _ID = None
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    objectcounter = 0
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    inObject = None
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    # set this to define filters
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    defaultStreamFilters = None
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    encrypt = NoEncryption() # default no encryption
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    pageCounter = 1
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    def __init__(self,
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                 dummyoutline=0,
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                 compression=rl_config.pageCompression,
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                 invariant=rl_config.invariant,
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                 filename=None,
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                 pdfVersion=PDF_VERSION_DEFAULT,
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                 ):
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        # allow None value to be passed in to mean 'give system defaults'
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        if invariant is None:
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            self.invariant = rl_config.invariant
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        else:
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            self.invariant = invariant
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        self.setCompression(compression)
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        self._pdfVersion = pdfVersion
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        # signature for creating PDF ID
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        sig = self.signature = md5()
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        sig.update("a reportlab document")
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        if not self.invariant:
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            cat = _getTimeStamp()
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        else:
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            cat = 946684800.0
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        sig.update(repr(cat)) # initialize with timestamp digest
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        # mapping of internal identifier ("Page001") to PDF objectnumber and generation number (34, 0)
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        self.idToObjectNumberAndVersion = {}
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        # mapping of internal identifier ("Page001") to PDF object (PDFPage instance)
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        self.idToObject = {}
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        # internal id to file location
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        self.idToOffset = {}
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        # number to id
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        self.numberToId = {}
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        cat = self.Catalog = self._catalog = PDFCatalog()
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        pages = self.Pages = PDFPages()
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        cat.Pages = pages
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        if dummyoutline:
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            outlines = PDFOutlines0()
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        else:
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            outlines = PDFOutlines()
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        self.Outlines = self.outline = outlines
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        cat.Outlines = outlines
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        self.info = PDFInfo()
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        self.info.invariant = self.invariant
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        #self.Reference(self.Catalog)
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        #self.Reference(self.Info)
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        self.fontMapping = {}
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        #make an empty font dictionary
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        DD = PDFDictionary({})
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        DD.__Comment__ = "The standard fonts dictionary"
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        self.Reference(DD, BasicFonts)
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        self.delayedFonts = []
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    def setCompression(self, onoff):
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        # XXX: maybe this should also set self.defaultStreamFilters?
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        self.compression = onoff
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    def ensureMinPdfVersion(self, *keys):
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        "Ensure that the pdf version is greater than or equal to that specified by the keys"
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        for k in keys:
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            self._pdfVersion = max(self._pdfVersion, PDF_SUPPORT_VERSION[k])
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    def updateSignature(self, thing):
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        "add information to the signature"
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        if self._ID: return # but not if its used already!
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        self.signature.update(utf8str(thing))
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    def ID(self):
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        "A unique fingerprint for the file (unless in invariant mode)"
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        if self._ID:
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            return self._ID
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        digest = self.signature.digest()
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        doc = DummyDoc()
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        ID = PDFString(digest,enc='raw')
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        IDs = ID.format(doc)
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        self._ID = "%s %% ReportLab generated PDF document -- digest (http://www.reportlab.com) %s [%s %s] %s" % (
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                LINEEND, LINEEND, IDs, IDs, LINEEND)
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        return self._ID
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    def SaveToFile(self, filename, canvas):
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        if callable(getattr(filename, "write",None)):
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            myfile = 0
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            f = filename
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            filename = utf8str(getattr(filename,'name',''))
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        else :
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            myfile = 1
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            filename = utf8str(filename)
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            f = open(filename, "wb")
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        f.write(self.GetPDFData(canvas))
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        if myfile:
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            f.close()
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            import os
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            if os.name=='mac':
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                from reportlab.lib.utils import markfilename
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                markfilename(filename) # do platform specific file junk
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        if getattr(canvas,'_verbosity',None): print 'saved', filename
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    def GetPDFData(self, canvas):
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        # realize delayed fonts
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        for fnt in self.delayedFonts:
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            fnt.addObjects(self)
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        # add info stuff to signature
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        self.info.invariant = self.invariant
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        self.info.digest(self.signature)
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   251
        ### later: maybe add more info to sig?
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        # prepare outline
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        self.Reference(self.Catalog)
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        self.Reference(self.info)
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        outline = self.outline
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        outline.prepare(self, canvas)
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        return self.format()
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    def inPage(self):
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        """specify the current object as a page (enables reference binding and other page features)"""
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        if self.inObject is not None:
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            if self.inObject=="page": return
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            raise ValueError, "can't go in page already in object %s" % self.inObject
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        self.inObject = "page"
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    def inForm(self):
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        """specify that we are in a form xobject (disable page features, etc)"""
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        # don't need this check anymore since going in a form pushes old context at canvas level.
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        #if self.inObject not in ["form", None]:
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        #    raise ValueError, "can't go in form already in object %s" % self.inObject
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        self.inObject = "form"
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        # don't need to do anything else, I think...
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    def getInternalFontName(self, psfontname):
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        fm = self.fontMapping
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        if fm.has_key(psfontname):
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            return fm[psfontname]
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        else:
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            try:
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                # does pdfmetrics know about it? if so, add
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                fontObj = pdfmetrics.getFont(psfontname)
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                if fontObj._dynamicFont:
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                    raise PDFError("getInternalFontName(%s) called for a dynamic font" % repr(psfontname))
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                fontObj.addObjects(self)
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                #self.addFont(fontObj)
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                return fm[psfontname]
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            except KeyError:
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                raise PDFError("Font %s not known!" % repr(psfontname))
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    def thisPageName(self):
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   291
        return "Page"+repr(self.pageCounter)
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   292
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    def thisPageRef(self):
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        return PDFObjectReference(self.thisPageName())
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   295
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    def addPage(self, page):
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   297
        name = self.thisPageName()
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        self.Reference(page, name)
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   299
        self.Pages.addPage(page)
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        self.pageCounter += 1
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        self.inObject = None
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    def addForm(self, name, form):
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        """add a Form XObject."""
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        # XXX should check that name is a legal PDF name
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   306
        if self.inObject != "form":
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   307
            self.inForm()
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        self.Reference(form, xObjectName(name))
481
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   309
        self.inObject = None
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   310
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   311
    def annotationName(self, externalname):
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   312
        return "Annot.%s"%externalname
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   313
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   314
    def addAnnotation(self, name, annotation):
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   315
        self.Reference(annotation, self.annotationName(name))
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   316
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   317
    def refAnnotation(self, name):
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        internalname = self.annotationName(name)
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   319
        return PDFObjectReference(internalname)
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   320
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683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
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   321
    def addColor(self,cmyk):
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   322
        sname = cmyk.spotName
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   323
        name = PDFName(sname)[1:]
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        if name not in self.idToObject:
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   325
            sep = PDFSeparationCMYKColor(cmyk).value()  #PDFArray([/Separation /name /DeviceCMYK tint_tf])
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            self.Reference(sep,name)
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        return name,sname
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   328
0
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    def setTitle(self, title):
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   330
        "embeds in PDF file"
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        if title is None:
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            self.info.title = '(anonymous)'
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   333
        else:
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            self.info.title = title
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   335
0
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   336
    def setAuthor(self, author):
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   337
        "embedded in PDF file"
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        #allow resetting to clear it
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   339
        if author is None:
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   340
            self.info.author = '(anonymous)'
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   341
        else:
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            self.info.author = author
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   343
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    def setSubject(self, subject):
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   345
        "embeds in PDF file"
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   346
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   347
        #allow resetting to clear it
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   348
        if subject is None:
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   349
            self.info.subject = '(unspecified)'
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   350
        else:
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   351
            self.info.subject = subject
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   352
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   353
    def setKeywords(self, keywords):
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   354
        "embeds a string containing keywords in PDF file"
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   355
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   356
        #allow resetting to clear it but ensure it's a string
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   357
        if keywords is None:
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   358
            self.info.keywords = ''
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diff changeset
   359
        else:
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   360
            self.info.keywords = keywords
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diff changeset
   361
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ffb020e8ab50 reportlab: PDFString vs Unicode changes
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   362
    def setDateFormatter(self, dateFormatter):
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   363
        self.info._dateFormatter = dateFormatter
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   364
0
f19e0a2433ab Initial revision
gmcm
parents:
diff changeset
   365
    def getAvailableFonts(self):
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gmcm
parents:
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   366
        fontnames = self.fontMapping.keys()
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   367
        # the standard 14 are also always available! (even if not initialized yet)
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diff changeset
   368
        import _fontdata
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parents: 1063
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   369
        for name in _fontdata.standardFonts:
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   370
            if name not in fontnames:
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   371
                fontnames.append(name)
0
f19e0a2433ab Initial revision
gmcm
parents:
diff changeset
   372
        fontnames.sort()
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gmcm
parents:
diff changeset
   373
        return fontnames
681
934a4f24ea5d Added explicit font and encoding support
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parents: 674
diff changeset
   374
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
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   375
    def format(self):
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parents: 479
diff changeset
   376
        # register the Catalog/INfo and then format the objects one by one until exhausted
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   377
        # (possible infinite loop if there is a bug that continually makes new objects/refs...)
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c6dec1c5a962 extensions to support encryption plugins
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   378
        # Prepare encryption
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   379
        self.encrypt.prepare(self)
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
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diff changeset
   380
        cat = self.Catalog
603
a6f460e53b00 forms in forms now work
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diff changeset
   381
        info = self.info
481
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diff changeset
   382
        self.Reference(self.Catalog)
603
a6f460e53b00 forms in forms now work
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diff changeset
   383
        self.Reference(self.info)
1062
c6dec1c5a962 extensions to support encryption plugins
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parents: 1014
diff changeset
   384
        # register the encryption dictionary if present
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diff changeset
   385
        encryptref = None
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aaron_watters
parents: 1014
diff changeset
   386
        encryptinfo = self.encrypt.info()
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diff changeset
   387
        if encryptinfo:
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diff changeset
   388
            encryptref = self.Reference(encryptinfo)
481
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aaron_watters
parents: 479
diff changeset
   389
        # make std fonts (this could be made optional
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diff changeset
   390
        counter = 0 # start at first object (object 1 after preincrement)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
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parents: 479
diff changeset
   391
        ids = [] # the collection of object ids in object number order
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   392
        numbertoid = self.numberToId
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   393
        idToNV = self.idToObjectNumberAndVersion
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aaron_watters
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diff changeset
   394
        idToOb = self.idToObject
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   395
        idToOf = self.idToOffset
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aaron_watters
parents: 479
diff changeset
   396
        ### note that new entries may be "appended" DURING FORMATTING
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
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parents: 479
diff changeset
   397
        done = None
3198
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   398
        File = PDFFile(self._pdfVersion) # output collector
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   399
        while done is None:
2575
0cba68b93555 reportlab-utf8 moved to trunk
rgbecker
parents: 2571
diff changeset
   400
            counter += 1 # do next object...
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   401
            if numbertoid.has_key(counter):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   402
                id = numbertoid[counter]
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   403
                #printidToOb
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   404
                obj = idToOb[id]
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   405
                IO = PDFIndirectObject(id, obj)
1062
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   406
                # register object number and version
1577
ad1dd1f8e061 Jerome Alet's auto transparency patch
rgbecker
parents: 1576
diff changeset
   407
                #encrypt.register(id,
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   408
                IOf = IO.format(self)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   409
                # add a comment to the PDF output
2273
82f026361b70 Fix bug introduced during transparency/ImageReader changes
rgbecker
parents: 2234
diff changeset
   410
                if not rl_config.invariant and DoComments:
1840
9c20e252dcd2 Fixed how object comments are formatted - could not always __class___.__name__
andy_robinson
parents: 1838
diff changeset
   411
                    try:
9c20e252dcd2 Fixed how object comments are formatted - could not always __class___.__name__
andy_robinson
parents: 1838
diff changeset
   412
                        classname = obj.__class__.__name__
9c20e252dcd2 Fixed how object comments are formatted - could not always __class___.__name__
andy_robinson
parents: 1838
diff changeset
   413
                    except:
9c20e252dcd2 Fixed how object comments are formatted - could not always __class___.__name__
andy_robinson
parents: 1838
diff changeset
   414
                        classname = repr(obj)
9c20e252dcd2 Fixed how object comments are formatted - could not always __class___.__name__
andy_robinson
parents: 1838
diff changeset
   415
                    File.add("%% %s: class %s %s" % (repr(id), classname[:50], LINEEND))
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   416
                offset = File.add(IOf)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   417
                idToOf[id] = offset
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   418
                ids.append(id)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   419
            else:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   420
                done = 1
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   421
        # sanity checks (must happen AFTER formatting)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   422
        lno = len(numbertoid)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   423
        if counter-1!=lno:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   424
            raise ValueError, "counter %s doesn't match number to id dictionary %s" %(counter, lno)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   425
        # now add the xref
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   426
        xref = PDFCrossReferenceTable()
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   427
        xref.addsection(0, ids)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   428
        xreff = xref.format(self)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   429
        xrefoffset = File.add(xreff)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   430
        # now add the trailer
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   431
        trailer = PDFTrailer(
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   432
            startxref = xrefoffset,
1309
2b674954263d /Size in Trailer off by one.
aaron_watters
parents: 1179
diff changeset
   433
            Size = lno+1,
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   434
            Root = self.Reference(cat),
1062
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   435
            Info = self.Reference(info),
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   436
            Encrypt = encryptref,
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   437
            ID = self.ID(),
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   438
            )
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   439
        trailerf = trailer.format(self)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   440
        File.add(trailerf)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   441
        # return string format for pdf file
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   442
        return File.format(self)
1577
ad1dd1f8e061 Jerome Alet's auto transparency patch
rgbecker
parents: 1576
diff changeset
   443
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   444
    def hasForm(self, name):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   445
        """test for existence of named form"""
1552
f83acda4ec71 expanded docco and fixed 'natural size'
andy_robinson
parents: 1510
diff changeset
   446
        internalname = xObjectName(name)
1395
65c2c66a3a1b canvas.hasForm now gives honest answers.
andy_robinson
parents: 1363
diff changeset
   447
        return self.idToObject.has_key(internalname)
0
f19e0a2433ab Initial revision
gmcm
parents:
diff changeset
   448
2679
b8464568f5e2 tweaks to support PDF art boxes
andy
parents: 2678
diff changeset
   449
    def getFormBBox(self, name, boxType="MediaBox"):
b8464568f5e2 tweaks to support PDF art boxes
andy
parents: 2678
diff changeset
   450
        """get the declared bounding box of the form as a list.
b8464568f5e2 tweaks to support PDF art boxes
andy
parents: 2678
diff changeset
   451
        If you specify a different PDF box definition (e.g. the
b8464568f5e2 tweaks to support PDF art boxes
andy
parents: 2678
diff changeset
   452
        ArtBox) and it has one, that's what you'll get."""
1552
f83acda4ec71 expanded docco and fixed 'natural size'
andy_robinson
parents: 1510
diff changeset
   453
        internalname = xObjectName(name)
1430
1ba38d150a9e support for getting form bounding boxes
aaron_watters
parents: 1395
diff changeset
   454
        if self.idToObject.has_key(internalname):
1ba38d150a9e support for getting form bounding boxes
aaron_watters
parents: 1395
diff changeset
   455
            theform = self.idToObject[internalname]
2798
40f791c3cbf8 pdfdoc.py: allow for proper external forms info
rgbecker
parents: 2778
diff changeset
   456
            if hasattr(theform,'_extra_pageCatcher_info'):
40f791c3cbf8 pdfdoc.py: allow for proper external forms info
rgbecker
parents: 2778
diff changeset
   457
                return theform._extra_pageCatcher_info[boxType]
1430
1ba38d150a9e support for getting form bounding boxes
aaron_watters
parents: 1395
diff changeset
   458
            if isinstance(theform, PDFFormXObject):
1ba38d150a9e support for getting form bounding boxes
aaron_watters
parents: 1395
diff changeset
   459
                # internally defined form
1ba38d150a9e support for getting form bounding boxes
aaron_watters
parents: 1395
diff changeset
   460
                return theform.BBoxList()
1ba38d150a9e support for getting form bounding boxes
aaron_watters
parents: 1395
diff changeset
   461
            elif isinstance(theform, PDFStream):
1ba38d150a9e support for getting form bounding boxes
aaron_watters
parents: 1395
diff changeset
   462
                # externally defined form
2679
b8464568f5e2 tweaks to support PDF art boxes
andy
parents: 2678
diff changeset
   463
                return list(theform.dictionary.dict[boxType].sequence)
1430
1ba38d150a9e support for getting form bounding boxes
aaron_watters
parents: 1395
diff changeset
   464
            else:
1ba38d150a9e support for getting form bounding boxes
aaron_watters
parents: 1395
diff changeset
   465
                raise ValueError, "I don't understand the form instance %s" % repr(name)
1ba38d150a9e support for getting form bounding boxes
aaron_watters
parents: 1395
diff changeset
   466
1552
f83acda4ec71 expanded docco and fixed 'natural size'
andy_robinson
parents: 1510
diff changeset
   467
    def getXObjectName(self, name):
1395
65c2c66a3a1b canvas.hasForm now gives honest answers.
andy_robinson
parents: 1363
diff changeset
   468
        """Lets canvas find out what form is called internally.
65c2c66a3a1b canvas.hasForm now gives honest answers.
andy_robinson
parents: 1363
diff changeset
   469
        Never mind whether it is defined yet or not."""
1552
f83acda4ec71 expanded docco and fixed 'natural size'
andy_robinson
parents: 1510
diff changeset
   470
        return xObjectName(name)
1577
ad1dd1f8e061 Jerome Alet's auto transparency patch
rgbecker
parents: 1576
diff changeset
   471
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   472
    def xobjDict(self, formnames):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   473
        """construct an xobject dict (for inclusion in a resource dict, usually)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   474
           from a list of form names (images not yet supported)"""
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   475
        D = {}
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   476
        for name in formnames:
1552
f83acda4ec71 expanded docco and fixed 'natural size'
andy_robinson
parents: 1510
diff changeset
   477
            internalname = xObjectName(name)
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   478
            reference = PDFObjectReference(internalname)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   479
            D[internalname] = reference
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   480
        #print "xobjDict D", D
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   481
        return PDFDictionary(D)
1577
ad1dd1f8e061 Jerome Alet's auto transparency patch
rgbecker
parents: 1576
diff changeset
   482
2540
fadac956b695 pdfdoc.py: speed improvements
rgbecker
parents: 2524
diff changeset
   483
    def Reference(self, object, name=None, InstanceType=InstanceType):
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   484
        ### note references may "grow" during the final formatting pass: don't use d.keys()!
628
7f5cd20a02f1 very subtle bug that is only hit by pagecatcher: indirect references to integers now work.
aaron_watters
parents: 603
diff changeset
   485
        # don't make references to other references, or non instances, unless they are named!
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   486
        #print"object type is ", type(object)
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
   487
        iob = hasattr(object,'__PDFObject__')
628
7f5cd20a02f1 very subtle bug that is only hit by pagecatcher: indirect references to integers now work.
aaron_watters
parents: 603
diff changeset
   488
        idToObject = self.idToObject
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
   489
        if name is None and (not iob or object.__class__ is PDFObjectReference):
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   490
            return object
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   491
        if hasattr(object, __InternalName__):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   492
            # already registered
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   493
            intname = object.__InternalName__
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   494
            if name is not None and name!=intname:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   495
                raise ValueError, "attempt to reregister object %s with new name %s" % (
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   496
                    repr(intname), repr(name))
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   497
            if not idToObject.has_key(intname):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   498
                raise ValueError, "object named but not registered"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   499
            return PDFObjectReference(intname)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   500
        # otherwise register the new object
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   501
        objectcounter = self.objectcounter = self.objectcounter+1
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   502
        if name is None:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   503
            name = "R"+repr(objectcounter)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   504
        if idToObject.has_key(name):
628
7f5cd20a02f1 very subtle bug that is only hit by pagecatcher: indirect references to integers now work.
aaron_watters
parents: 603
diff changeset
   505
            other = idToObject[name]
7f5cd20a02f1 very subtle bug that is only hit by pagecatcher: indirect references to integers now work.
aaron_watters
parents: 603
diff changeset
   506
            if other!=object:
7f5cd20a02f1 very subtle bug that is only hit by pagecatcher: indirect references to integers now work.
aaron_watters
parents: 603
diff changeset
   507
                raise ValueError, "redefining named object: "+repr(name)
7f5cd20a02f1 very subtle bug that is only hit by pagecatcher: indirect references to integers now work.
aaron_watters
parents: 603
diff changeset
   508
            return PDFObjectReference(name)
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
   509
        if iob:
628
7f5cd20a02f1 very subtle bug that is only hit by pagecatcher: indirect references to integers now work.
aaron_watters
parents: 603
diff changeset
   510
            object.__InternalName__ = name
591
8ab476fd7d96 minor changes to support pdfparse
aaron_watters
parents: 504
diff changeset
   511
        #print "name", name, "counter", objectcounter
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   512
        self.idToObjectNumberAndVersion[name] = (objectcounter, 0)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   513
        self.numberToId[objectcounter] = name
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   514
        idToObject[name] = object
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   515
        return PDFObjectReference(name)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   516
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   517
### chapter 4 Objects
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   518
PDFtrue = "true"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   519
PDFfalse = "false"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   520
PDFnull = "null"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   521
1062
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   522
class PDFText:
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
   523
    __PDFObject__ = True
1062
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   524
    def __init__(self, t):
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   525
        self.t = t
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   526
    def format(self, document):
2477
704e05bad378 pdfdoc.py: minor changes to bring into line with TBlatter's early serializer version
rgbecker
parents: 2476
diff changeset
   527
        result = binascii.hexlify(document.encrypt.encode(self.t))
1062
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   528
        return "<%s>" % result
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   529
    def __str__(self):
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   530
        dummydoc = DummyDoc()
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   531
        return self.format(dummydoc)
1014
ba7f9c1294ea added missing PDFText() function for consistency (needed by pagecatcher)
aaron_watters
parents: 873
diff changeset
   532
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   533
def PDFnumber(n):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   534
    return n
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   535
2517
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   536
import re
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   537
_re_cleanparens=re.compile('[^()]')
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   538
del re
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   539
def _isbalanced(s):
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   540
    '''test whether a string is balanced in parens'''
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   541
    s = _re_cleanparens.sub('',s)
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   542
    n = 0
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   543
    for c in s:
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   544
        if c=='(': n+=1
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   545
        else:
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   546
            n -= 1
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   547
            if n<0: return 0
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   548
    return not n and 1 or 0
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   549
2595
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   550
def _checkPdfdoc(utext):
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   551
    '''return true if no Pdfdoc encoding errors'''
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   552
    try:
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   553
        utext.encode('pdfdoc')
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   554
        return 1
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   555
    except UnicodeEncodeError, e:
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   556
        return 0
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   557
1062
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   558
class PDFString:
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
   559
    __PDFObject__ = True
2595
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   560
    def __init__(self, s, escape=1, enc='auto'):
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   561
        '''s can be unicode/utf8 or a PDFString
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   562
        if escape is true then the output will be passed through escape
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   563
        if enc is raw then the string will be left alone
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   564
        if enc is auto we'll try and automatically adapt to utf_16_be if the
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   565
        effective string is not entirely in pdfdoc
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   566
        '''
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   567
        if isinstance(s,PDFString):
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   568
            self.s = s.s
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   569
            self.escape = s.escape
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   570
            self.enc = s.enc
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   571
        else:
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   572
            self.s = s
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   573
            self.escape = escape
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   574
            self.enc = enc
1062
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   575
    def format(self, document):
2517
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   576
        s = self.s
2595
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   577
        enc = getattr(self,'enc','auto')
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   578
        if type(s) is str:
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   579
            if enc is 'auto':
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   580
                try:
2922
168b91cbfefc reportlab: attempt to make heuristic for PDFString formatting more sensible
rgbecker
parents: 2919
diff changeset
   581
                    u = s.decode(s.startswith(codecs.BOM_UTF16_BE) and 'utf16' or 'utf8')
168b91cbfefc reportlab: attempt to make heuristic for PDFString formatting more sensible
rgbecker
parents: 2919
diff changeset
   582
                    if _checkPdfdoc(u):
168b91cbfefc reportlab: attempt to make heuristic for PDFString formatting more sensible
rgbecker
parents: 2919
diff changeset
   583
                        s = u.encode('pdfdoc')
168b91cbfefc reportlab: attempt to make heuristic for PDFString formatting more sensible
rgbecker
parents: 2919
diff changeset
   584
                    else:
168b91cbfefc reportlab: attempt to make heuristic for PDFString formatting more sensible
rgbecker
parents: 2919
diff changeset
   585
                        s = codecs.BOM_UTF16_BE+u.encode('utf_16_be')
2595
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   586
                except:
2915
f2c1f8ef3b51 reportlab: obsoletisms removed
rgbecker
parents: 2902
diff changeset
   587
                    try:
2922
168b91cbfefc reportlab: attempt to make heuristic for PDFString formatting more sensible
rgbecker
parents: 2919
diff changeset
   588
                        s.decode('pdfdoc')
2915
f2c1f8ef3b51 reportlab: obsoletisms removed
rgbecker
parents: 2902
diff changeset
   589
                    except:
f2c1f8ef3b51 reportlab: obsoletisms removed
rgbecker
parents: 2902
diff changeset
   590
                        import sys
f2c1f8ef3b51 reportlab: obsoletisms removed
rgbecker
parents: 2902
diff changeset
   591
                        print >>sys.stderr, 'Error in',repr(s)
f2c1f8ef3b51 reportlab: obsoletisms removed
rgbecker
parents: 2902
diff changeset
   592
                        raise
2595
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   593
        elif type(s) is unicode:
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   594
            if enc is 'auto':
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   595
                if _checkPdfdoc(s):
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   596
                    s = s.encode('pdfdoc')
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   597
                else:
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   598
                    s = codecs.BOM_UTF16_BE+s.encode('utf_16_be')
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   599
            else:
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   600
                s = codecs.BOM_UTF16_BE+s.encode('utf_16_be')
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   601
        else:
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   602
            raise ValueError('PDFString argument must be str/unicode not %s' % type(s))
ffb020e8ab50 reportlab: PDFString vs Unicode changes
rgbecker
parents: 2575
diff changeset
   603
2524
7e6da7c7fe2c merge stable 2687:2688 pdfdoc.py: attempt to robustify escape attribute access
rgbecker
parents: 2517
diff changeset
   604
        escape = getattr(self,'escape',1)
2517
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   605
        if not isinstance(document.encrypt,NoEncryption):
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   606
            s = document.encrypt.encode(s)
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   607
            escape = 1
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   608
        if escape:
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   609
            try:
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   610
                es = "(%s)" % pdfutils._escape(s)
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   611
            except:
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   612
                raise ValueError("cannot escape %s %s" % (s, repr(s)))
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   613
            if escape&2:
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   614
                es = es.replace('\\012','\n')
3198
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   615
            if escape&4 and _isbalanced(s):
2517
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   616
                es = es.replace('\\(','(').replace('\\)',')')
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   617
            return es
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   618
        else:
c8f07edb561d pdfdoc: allow special escaping in Annotations and PDFString
rgbecker
parents: 2487
diff changeset
   619
            return '(%s)' % s
1062
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   620
    def __str__(self):
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   621
        return "(%s)" % pdfutils._escape(self.s)
1577
ad1dd1f8e061 Jerome Alet's auto transparency patch
rgbecker
parents: 1576
diff changeset
   622
2540
fadac956b695 pdfdoc.py: speed improvements
rgbecker
parents: 2524
diff changeset
   623
def PDFName(data,lo=chr(0x21),hi=chr(0x7e)):
484
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   624
    # might need to change this to class for encryption
1062
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   625
    #  NOTE: RESULT MUST ALWAYS SUPPORT MEANINGFUL COMPARISONS (EQUALITY) AND HASH
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   626
    # first convert the name
2540
fadac956b695 pdfdoc.py: speed improvements
rgbecker
parents: 2524
diff changeset
   627
    L = list(data)
fadac956b695 pdfdoc.py: speed improvements
rgbecker
parents: 2524
diff changeset
   628
    for i,c in enumerate(L):
fadac956b695 pdfdoc.py: speed improvements
rgbecker
parents: 2524
diff changeset
   629
        if c<lo or c>hi or c in "%()<>{}[]#":
fadac956b695 pdfdoc.py: speed improvements
rgbecker
parents: 2524
diff changeset
   630
            L[i] = "#"+hex(ord(c))[2:] # forget the 0x thing...
fadac956b695 pdfdoc.py: speed improvements
rgbecker
parents: 2524
diff changeset
   631
    return "/"+(''.join(L))
1577
ad1dd1f8e061 Jerome Alet's auto transparency patch
rgbecker
parents: 1576
diff changeset
   632
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   633
class PDFDictionary:
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
   634
    __PDFObject__ = True
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   635
    multiline = LongFormat
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   636
    def __init__(self, dict=None):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   637
        """dict should be namestring to value eg "a": 122 NOT pdfname to value NOT "/a":122"""
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   638
        if dict is None:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   639
            self.dict = {}
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   640
        else:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   641
            self.dict = dict.copy()
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   642
    def __setitem__(self, name, value):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   643
        self.dict[name] = value
2919
1f7a61d79435 pdfdoc.py: some conveniences and a minor change
rgbecker
parents: 2915
diff changeset
   644
    def __getitem__(self, a):
1f7a61d79435 pdfdoc.py: some conveniences and a minor change
rgbecker
parents: 2915
diff changeset
   645
        return self.dict[a]
1f7a61d79435 pdfdoc.py: some conveniences and a minor change
rgbecker
parents: 2915
diff changeset
   646
    def has_key(self,a):
1f7a61d79435 pdfdoc.py: some conveniences and a minor change
rgbecker
parents: 2915
diff changeset
   647
        return self.dict.has_key(a)
2730
b3fc23a74fd1 reportlab: Dirk Holtwick's editor's fixes :)
rgbecker
parents: 2679
diff changeset
   648
    def Reference(self, name, document):
2541
495aea8213fb pdfdoc.py: more optimisations
rgbecker
parents: 2540
diff changeset
   649
        self.dict[name] = document.Reference(self.dict[name])
495aea8213fb pdfdoc.py: more optimisations
rgbecker
parents: 2540
diff changeset
   650
    def format(self, document,IND=LINEEND+' '):
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   651
        dict = self.dict
3198
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   652
        try:
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   653
            keys = dict.keys()
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   654
        except:
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   655
            print repr(dict)
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   656
            raise
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   657
        keys.sort()
2540
fadac956b695 pdfdoc.py: speed improvements
rgbecker
parents: 2524
diff changeset
   658
        L = [(format(PDFName(k),document)+" "+format(dict[k],document)) for k in keys]
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   659
        if self.multiline:
2541
495aea8213fb pdfdoc.py: more optimisations
rgbecker
parents: 2540
diff changeset
   660
            L = IND.join(L)
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   661
        else:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   662
            # break up every 6 elements anyway
2540
fadac956b695 pdfdoc.py: speed improvements
rgbecker
parents: 2524
diff changeset
   663
            t=L.insert
fadac956b695 pdfdoc.py: speed improvements
rgbecker
parents: 2524
diff changeset
   664
            for i in xrange(6, len(L), 6):
fadac956b695 pdfdoc.py: speed improvements
rgbecker
parents: 2524
diff changeset
   665
                t(i,LINEEND)
fadac956b695 pdfdoc.py: speed improvements
rgbecker
parents: 2524
diff changeset
   666
            L = " ".join(L)
fadac956b695 pdfdoc.py: speed improvements
rgbecker
parents: 2524
diff changeset
   667
        return "<< %s >>" % L
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   668
2666
a72c25280be2 facilitating saving info dictionary
andy
parents: 2595
diff changeset
   669
    def copy(self):
a72c25280be2 facilitating saving info dictionary
andy
parents: 2595
diff changeset
   670
        return PDFDictionary(self.dict)
2778
8cd23c6fbff3 reportlab: minor fix to linkRect and friends
rgbecker
parents: 2767
diff changeset
   671
2869
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   672
class checkPDFNames:
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   673
    def __init__(self,*names):
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   674
        self.names = map(PDFName,names)
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   675
    def __call__(self,value):
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   676
        if not value.startswith('/'):
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   677
            value=PDFName(value)
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   678
        if value in self.names:
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   679
            return value
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   680
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   681
def checkPDFBoolean(value):
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   682
    if value in ('true','false'): return value
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   683
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   684
class CheckedPDFDictionary(PDFDictionary):
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   685
    validate = {}
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   686
    def __init__(self,dict=None,validate=None):
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   687
        PDFDictionary.__init__(self,dict)
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   688
        if validate: self.validate = validate
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   689
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   690
    def __setitem__(self,name,value):
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   691
        if name not in self.validate:
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   692
            raise ValueError('invalid key, %r' % name)
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   693
        cvalue = self.validate[name](value)
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   694
        if cvalue is None:
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   695
            raise ValueError('Bad value %r for key %r' % (value,name))
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   696
        PDFDictionary.__setitem__(self,name,cvalue)
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   697
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   698
class ViewerPreferencesPDFDictionary(CheckedPDFDictionary):
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   699
    validate=dict(
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   700
                HideToolbar=checkPDFBoolean,
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   701
                HideMenubar=checkPDFBoolean,
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   702
                HideWindowUI=checkPDFBoolean,
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   703
                FitWindow=checkPDFBoolean,
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   704
                CenterWindow=checkPDFBoolean,
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   705
                NonFullScreenPageMode=checkPDFNames(*'UseNone UseOutlines UseThumbs UseOC'.split()),
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   706
                Direction=checkPDFNames(*'L2R R2L'.split()),
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   707
                ViewArea=checkPDFNames(*'MediaBox CropBox BleedBox TrimBox ArtBox'.split()),
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   708
                ViewClip=checkPDFNames(*'MediaBox CropBox BleedBox TrimBox ArtBox'.split()),
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   709
                PrintArea=checkPDFNames(*'MediaBox CropBox BleedBox TrimBox ArtBox'.split()),
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   710
                PrintClip=checkPDFNames(*'MediaBox CropBox BleedBox TrimBox ArtBox'.split()),
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   711
                PrintScaling=checkPDFNames(*'None AppDefault'.split()),
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
   712
                )
3198
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   713
484
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   714
# stream filters are objects to support round trip and
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   715
# possibly in the future also support parameters
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   716
class PDFStreamFilterZCompress:
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   717
    pdfname = "FlateDecode"
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   718
    def encode(self, text):
674
c25a9dbfc27a Improved ImportError handling
rgbecker
parents: 628
diff changeset
   719
        from reportlab.lib.utils import import_zlib
c25a9dbfc27a Improved ImportError handling
rgbecker
parents: 628
diff changeset
   720
        zlib = import_zlib()
c25a9dbfc27a Improved ImportError handling
rgbecker
parents: 628
diff changeset
   721
        if not zlib: raise ImportError, "cannot z-compress zlib unavailable"
c25a9dbfc27a Improved ImportError handling
rgbecker
parents: 628
diff changeset
   722
        return zlib.compress(text)
484
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   723
    def decode(self, encoded):
674
c25a9dbfc27a Improved ImportError handling
rgbecker
parents: 628
diff changeset
   724
        from reportlab.lib.utils import import_zlib
c25a9dbfc27a Improved ImportError handling
rgbecker
parents: 628
diff changeset
   725
        zlib = import_zlib()
c25a9dbfc27a Improved ImportError handling
rgbecker
parents: 628
diff changeset
   726
        if not zlib: raise ImportError, "cannot z-decompress zlib unavailable"
c25a9dbfc27a Improved ImportError handling
rgbecker
parents: 628
diff changeset
   727
        return zlib.decompress(encoded)
484
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   728
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   729
# need only one of these, unless we implement parameters later
1577
ad1dd1f8e061 Jerome Alet's auto transparency patch
rgbecker
parents: 1576
diff changeset
   730
PDFZCompress = PDFStreamFilterZCompress()
484
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   731
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   732
class PDFStreamFilterBase85Encode:
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   733
    pdfname = "ASCII85Decode"
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   734
    def encode(self, text):
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   735
        from pdfutils import _AsciiBase85Encode, _wrap
2767
2ba5a1d26ad0 reportlab: make a85 wrap optional, add _reset to rl_config
rgbecker
parents: 2740
diff changeset
   736
        text = _AsciiBase85Encode(text)
2ba5a1d26ad0 reportlab: make a85 wrap optional, add _reset to rl_config
rgbecker
parents: 2740
diff changeset
   737
        if rl_config.wrapA85:
2ba5a1d26ad0 reportlab: make a85 wrap optional, add _reset to rl_config
rgbecker
parents: 2740
diff changeset
   738
            text = _wrap(text)
2ba5a1d26ad0 reportlab: make a85 wrap optional, add _reset to rl_config
rgbecker
parents: 2740
diff changeset
   739
        return text
484
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   740
    def decode(self, text):
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   741
        from pdfutils import _AsciiBase85Decode
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   742
        return _AsciiBase85Decode(text)
1577
ad1dd1f8e061 Jerome Alet's auto transparency patch
rgbecker
parents: 1576
diff changeset
   743
484
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   744
# need only one of these too
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   745
PDFBase85Encode = PDFStreamFilterBase85Encode()
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   746
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   747
STREAMFMT = ("%(dictionary)s%(LINEEND)s" # dictionary
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   748
             "stream" # stream keyword
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   749
             "%(LINEEND)s" # a line end (could be just a \n)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   750
             "%(content)s" # the content, with no lineend
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   751
             "endstream%(LINEEND)s" # the endstream keyword
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   752
             )
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   753
class PDFStream:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   754
    '''set dictionary elements explicitly stream.dictionary[name]=value'''
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
   755
    __PDFObject__ = True
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   756
    ### compression stuff not implemented yet
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   757
    __RefOnly__ = 1 # must be at top level
3144
a5d6bb711691 pdfdoc.py: added class PDFSeparationCMYKColorSpace
rgbecker
parents: 3112
diff changeset
   758
    def __init__(self, dictionary=None, content=None, filters=None):
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   759
        if dictionary is None:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   760
            dictionary = PDFDictionary()
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   761
        self.dictionary = dictionary
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   762
        self.content = content
3144
a5d6bb711691 pdfdoc.py: added class PDFSeparationCMYKColorSpace
rgbecker
parents: 3112
diff changeset
   763
        self.filters = filters
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   764
    def format(self, document):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   765
        dictionary = self.dictionary
591
8ab476fd7d96 minor changes to support pdfparse
aaron_watters
parents: 504
diff changeset
   766
        # copy it for modification
8ab476fd7d96 minor changes to support pdfparse
aaron_watters
parents: 504
diff changeset
   767
        dictionary = PDFDictionary(dictionary.dict.copy())
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   768
        content = self.content
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   769
        filters = self.filters
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   770
        if self.content is None:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   771
            raise ValueError, "stream content not set"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   772
        if filters is None:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   773
            filters = document.defaultStreamFilters
591
8ab476fd7d96 minor changes to support pdfparse
aaron_watters
parents: 504
diff changeset
   774
        # only apply filters if they haven't been applied elsewhere
603
a6f460e53b00 forms in forms now work
aaron_watters
parents: 595
diff changeset
   775
        if filters is not None and not dictionary.dict.has_key("Filter"):
484
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   776
            # apply filters in reverse order listed
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   777
            rf = list(filters)
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   778
            rf.reverse()
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   779
            fnames = []
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   780
            for f in rf:
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   781
                #print "*****************content:"; print repr(content[:200])
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   782
                #print "*****************filter", f.pdfname
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   783
                content = f.encode(content)
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   784
                fnames.insert(0, PDFName(f.pdfname))
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   785
            #print "*****************finally:"; print content[:200]
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   786
            #print "****** FILTERS", fnames
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   787
            #stop
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   788
            dictionary["Filter"] = PDFArray(fnames)
1062
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   789
        # "stream encoding is done after all filters have been applied"
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   790
        content = document.encrypt.encode(content)
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   791
        fc = format(content, document)
591
8ab476fd7d96 minor changes to support pdfparse
aaron_watters
parents: 504
diff changeset
   792
        #print "type(content)", type(content), len(content), type(self.dictionary)
8ab476fd7d96 minor changes to support pdfparse
aaron_watters
parents: 504
diff changeset
   793
        lc = len(content)
484
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
   794
        #if fc!=content: burp
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   795
        # set dictionary length parameter
591
8ab476fd7d96 minor changes to support pdfparse
aaron_watters
parents: 504
diff changeset
   796
        dictionary["Length"] = lc
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   797
        fd = format(dictionary, document)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   798
        sdict = LINEENDDICT.copy()
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   799
        sdict["dictionary"] = fd
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   800
        sdict["content"] = fc
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   801
        return STREAMFMT % sdict
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   802
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   803
def teststream(content=None):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   804
    #content = "" # test
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   805
    if content is None:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   806
        content = teststreamcontent
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   807
    content = string.strip(content)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   808
    content = string.replace(content, "\n", LINEEND) + LINEEND
3198
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   809
    S = PDFStream(content = content,filters=[PDFBase85Encode,PDFZCompress])
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   810
    # nothing else needed...
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   811
    S.__Comment__ = "test stream"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   812
    return S
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   813
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   814
teststreamcontent = """
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   815
1 0 0 1 0 0 cm BT /F9 12 Tf 14.4 TL ET
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   816
1.00 0.00 1.00 rg
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   817
n 72.00 72.00 432.00 648.00 re B*
1577
ad1dd1f8e061 Jerome Alet's auto transparency patch
rgbecker
parents: 1576
diff changeset
   818
"""
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   819
class PDFArray:
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
   820
    __PDFObject__ = True
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   821
    multiline = LongFormat
3144
a5d6bb711691 pdfdoc.py: added class PDFSeparationCMYKColorSpace
rgbecker
parents: 3112
diff changeset
   822
    _ZLIST = list(9*' ')+[LINEEND]
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   823
    def __init__(self, sequence):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   824
        self.sequence = list(sequence)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   825
    def References(self, document):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   826
        """make all objects in sequence references"""
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   827
        self.sequence = map(document.Reference, self.sequence)
2541
495aea8213fb pdfdoc.py: more optimisations
rgbecker
parents: 2540
diff changeset
   828
    def format(self, document, IND=LINEEND+' '):
495aea8213fb pdfdoc.py: more optimisations
rgbecker
parents: 2540
diff changeset
   829
        L = [format(e, document) for e in self.sequence]
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   830
        if self.multiline:
2541
495aea8213fb pdfdoc.py: more optimisations
rgbecker
parents: 2540
diff changeset
   831
            L = IND.join(L)
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   832
        else:
3144
a5d6bb711691 pdfdoc.py: added class PDFSeparationCMYKColorSpace
rgbecker
parents: 3112
diff changeset
   833
            n=len(L)
a5d6bb711691 pdfdoc.py: added class PDFSeparationCMYKColorSpace
rgbecker
parents: 3112
diff changeset
   834
            if n>10:
a5d6bb711691 pdfdoc.py: added class PDFSeparationCMYKColorSpace
rgbecker
parents: 3112
diff changeset
   835
                # break up every 10 elements anyway
a5d6bb711691 pdfdoc.py: added class PDFSeparationCMYKColorSpace
rgbecker
parents: 3112
diff changeset
   836
                m,r = divmod(n,10)
a5d6bb711691 pdfdoc.py: added class PDFSeparationCMYKColorSpace
rgbecker
parents: 3112
diff changeset
   837
                L = ''.join([l+z for l,z in zip(L,m*self._ZLIST+list(r*' '))])
a5d6bb711691 pdfdoc.py: added class PDFSeparationCMYKColorSpace
rgbecker
parents: 3112
diff changeset
   838
                L = L.strip()
a5d6bb711691 pdfdoc.py: added class PDFSeparationCMYKColorSpace
rgbecker
parents: 3112
diff changeset
   839
            else:
a5d6bb711691 pdfdoc.py: added class PDFSeparationCMYKColorSpace
rgbecker
parents: 3112
diff changeset
   840
                L = ' '.join(L)
2541
495aea8213fb pdfdoc.py: more optimisations
rgbecker
parents: 2540
diff changeset
   841
        return "[ %s ]" % L
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   842
3144
a5d6bb711691 pdfdoc.py: added class PDFSeparationCMYKColorSpace
rgbecker
parents: 3112
diff changeset
   843
class PDFArrayCompact(PDFArray):
a5d6bb711691 pdfdoc.py: added class PDFSeparationCMYKColorSpace
rgbecker
parents: 3112
diff changeset
   844
    multiline=False
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   845
3198
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   846
INDIRECTOBFMT = "%(n)s %(v)s obj%(LINEEND)s%(content)s%(CLINEEND)sendobj%(LINEEND)s"
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   847
class PDFIndirectObject:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   848
    __RefOnly__ = 1
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   849
    def __init__(self, name, content):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   850
        self.name = name
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   851
        self.content = content
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   852
    def format(self, document):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   853
        name = self.name
3198
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   854
        n, v = document.idToObjectNumberAndVersion[name]
1062
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   855
        # set encryption parameters
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   856
        document.encrypt.register(n, v)
3198
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   857
        fcontent = format(self.content, document, toplevel=1) # yes this is at top level
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   858
        D = LINEENDDICT.copy()
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   859
        D["n"] = n
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   860
        D["v"] = v
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   861
        D["content"] = fcontent
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   862
        D['CLINEEND'] = (LINEEND,'')[fcontent.endswith(LINEEND)]
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   863
        return INDIRECTOBFMT % D
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   864
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   865
class PDFObjectReference:
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
   866
    __PDFObject__ = True
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   867
    def __init__(self, name):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   868
        self.name = name
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   869
    def format(self, document):
1317
2c0575047463 allow forms to be forward references (to allow table of contents, eg).
aaron_watters
parents: 1309
diff changeset
   870
        try:
2541
495aea8213fb pdfdoc.py: more optimisations
rgbecker
parents: 2540
diff changeset
   871
            return "%s %s R" % document.idToObjectNumberAndVersion[self.name]
1317
2c0575047463 allow forms to be forward references (to allow table of contents, eg).
aaron_watters
parents: 1309
diff changeset
   872
        except:
2541
495aea8213fb pdfdoc.py: more optimisations
rgbecker
parents: 2540
diff changeset
   873
            raise KeyError, "forward reference to %s not resolved upon final formatting" % repr(self.name)
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   874
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   875
### chapter 5
681
934a4f24ea5d Added explicit font and encoding support
andy_robinson
parents: 674
diff changeset
   876
# Following Ken Lunde's advice and the PDF spec, this includes
934a4f24ea5d Added explicit font and encoding support
andy_robinson
parents: 674
diff changeset
   877
# some high-order bytes.  I chose the characters for Tokyo
934a4f24ea5d Added explicit font and encoding support
andy_robinson
parents: 674
diff changeset
   878
# in Shift-JIS encoding, as these cannot be mistaken for
934a4f24ea5d Added explicit font and encoding support
andy_robinson
parents: 674
diff changeset
   879
# any other encoding, and we'll be able to tell if something
934a4f24ea5d Added explicit font and encoding support
andy_robinson
parents: 674
diff changeset
   880
# has run our PDF files through a dodgy Unicode conversion.
1063
378a0f553608 cosmetics
aaron_watters
parents: 1062
diff changeset
   881
PDFHeader = (
3198
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   882
"%%PDF-%s.%s"+LINEEND+
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   883
"%%\223\214\213\236 ReportLab Generated PDF document http://www.reportlab.com"+LINEEND)
0
f19e0a2433ab Initial revision
gmcm
parents:
diff changeset
   884
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   885
class PDFFile:
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
   886
    __PDFObject__ = True
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   887
    ### just accumulates strings: keeps track of current offset
3198
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   888
    def __init__(self,pdfVersion=PDF_VERSION_DEFAULT):
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   889
        self.strings = []
2477
704e05bad378 pdfdoc.py: minor changes to bring into line with TBlatter's early serializer version
rgbecker
parents: 2476
diff changeset
   890
        self.write = self.strings.append
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   891
        self.offset = 0
3198
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
   892
        self.add(PDFHeader % pdfVersion)
2477
704e05bad378 pdfdoc.py: minor changes to bring into line with TBlatter's early serializer version
rgbecker
parents: 2476
diff changeset
   893
704e05bad378 pdfdoc.py: minor changes to bring into line with TBlatter's early serializer version
rgbecker
parents: 2476
diff changeset
   894
    def closeOrReset(self):
704e05bad378 pdfdoc.py: minor changes to bring into line with TBlatter's early serializer version
rgbecker
parents: 2476
diff changeset
   895
        pass
704e05bad378 pdfdoc.py: minor changes to bring into line with TBlatter's early serializer version
rgbecker
parents: 2476
diff changeset
   896
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   897
    def add(self, s):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   898
        """should be constructed as late as possible, return position where placed"""
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   899
        result = self.offset
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   900
        self.offset = result+len(s)
2477
704e05bad378 pdfdoc.py: minor changes to bring into line with TBlatter's early serializer version
rgbecker
parents: 2476
diff changeset
   901
        self.write(s)
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   902
        return result
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   903
    def format(self, document):
1062
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   904
        strings = map(str, self.strings) # final conversion, in case of lazy objects
2359
d7991ae46607 pdfdoc: fix rare bug (exposed in tinyrml)
rgbecker
parents: 2332
diff changeset
   905
        return string.join(strings, "")
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   906
1577
ad1dd1f8e061 Jerome Alet's auto transparency patch
rgbecker
parents: 1576
diff changeset
   907
XREFFMT = '%0.10d %0.5d n'
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   908
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   909
class PDFCrossReferenceSubsection:
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
   910
    __PDFObject__ = True
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   911
    def __init__(self, firstentrynumber, idsequence):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   912
        self.firstentrynumber = firstentrynumber
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   913
        self.idsequence = idsequence
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   914
    def format(self, document):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   915
        """id sequence should represent contiguous object nums else error. free numbers not supported (yet)"""
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   916
        firstentrynumber = self.firstentrynumber
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   917
        idsequence = self.idsequence
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   918
        entries = list(idsequence)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   919
        nentries = len(idsequence)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   920
        # special case: object number 0 is always free
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   921
        taken = {}
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   922
        if firstentrynumber==0:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   923
            taken[0] = "standard free entry"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   924
            nentries = nentries+1
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   925
            entries.insert(0, "0000000000 65535 f")
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   926
        idToNV = document.idToObjectNumberAndVersion
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   927
        idToOffset = document.idToOffset
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   928
        lastentrynumber = firstentrynumber+nentries-1
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   929
        for id in idsequence:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   930
            (num, version) = idToNV[id]
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   931
            if taken.has_key(num):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   932
                raise ValueError, "object number collision %s %s %s" % (num, repr(id), repr(taken[id]))
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   933
            if num>lastentrynumber or num<firstentrynumber:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   934
                raise ValueError, "object number %s not in range %s..%s" % (num, firstentrynumber, lastentrynumber)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   935
            # compute position in list
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   936
            rnum = num-firstentrynumber
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   937
            taken[num] = id
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   938
            offset = idToOffset[id]
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   939
            entries[num] = XREFFMT % (offset, version)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   940
        # now add the initial line
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   941
        firstline = "%s %s" % (firstentrynumber, nentries)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   942
        entries.insert(0, firstline)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   943
        # make sure it ends with a LINEEND
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   944
        entries.append("")
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   945
        if LINEEND=="\n" or LINEEND=="\r":
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   946
            reflineend = " "+LINEEND # as per spec
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   947
        elif LINEEND=="\r\n":
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   948
            reflineend = LINEEND
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   949
        else:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   950
            raise ValueError, "bad end of line! %s" % repr(LINEEND)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   951
        return string.join(entries, LINEEND)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   952
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   953
class PDFCrossReferenceTable:
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
   954
    __PDFObject__ = True
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   955
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   956
    def __init__(self):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   957
        self.sections = []
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   958
    def addsection(self, firstentry, ids):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   959
        section = PDFCrossReferenceSubsection(firstentry, ids)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   960
        self.sections.append(section)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   961
    def format(self, document):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   962
        sections = self.sections
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   963
        if not sections:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   964
            raise ValueError, "no crossref sections"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   965
        L = ["xref"+LINEEND]
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   966
        for s in self.sections:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   967
            fs = format(s, document)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   968
            L.append(fs)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   969
        return string.join(L, "")
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   970
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   971
TRAILERFMT = ("trailer%(LINEEND)s"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   972
              "%(dict)s%(LINEEND)s"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   973
              "startxref%(LINEEND)s"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   974
              "%(startxref)s%(LINEEND)s"
873
62ba1388703d New font embedding stuff.
rgbecker
parents: 742
diff changeset
   975
              "%(PERCENT)s%(PERCENT)sEOF%(LINEEND)s")
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   976
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   977
class PDFTrailer:
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
   978
    __PDFObject__ = True
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   979
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   980
    def __init__(self, startxref, Size=None, Prev=None, Root=None, Info=None, ID=None, Encrypt=None):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   981
        self.startxref = startxref
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   982
        if Size is None or Root is None:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   983
            raise ValueError, "Size and Root keys required"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   984
        dict = self.dict = PDFDictionary()
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   985
        for (n,v) in [("Size", Size), ("Prev", Prev), ("Root", Root),
1062
c6dec1c5a962 extensions to support encryption plugins
aaron_watters
parents: 1014
diff changeset
   986
                      ("Info", Info), ("ID", ID), ("Encrypt", Encrypt)]:
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   987
            if v is not None:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   988
                dict[n] = v
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   989
    def format(self, document):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   990
        fdict = format(self.dict, document)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   991
        D = LINEENDDICT.copy()
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   992
        D["dict"] = fdict
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   993
        D["startxref"] = self.startxref
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   994
        return TRAILERFMT % D
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   995
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   996
#### XXXX skipping incremental update,
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   997
#### encryption
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   998
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
   999
#### chapter 6, doc structure
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1000
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1001
class PDFCatalog:
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
  1002
    __PDFObject__ = True
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1003
    __Comment__ = "Document Root"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1004
    __RefOnly__ = 1
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1005
    # to override, set as attributes
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1006
    __Defaults__ = {"Type": PDFName("Catalog"),
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1007
                "PageMode": PDFName("UseNone"),
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1008
                }
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1009
    __NoDefault__ = string.split("""
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1010
        Dests Outlines Pages Threads AcroForm Names OpenActions PageMode URI
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1011
        ViewerPreferences PageLabels PageLayout JavaScript StructTreeRoot SpiderInfo"""
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1012
                                 )
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1013
    __Refs__ = __NoDefault__ # make these all into references, if present
1577
ad1dd1f8e061 Jerome Alet's auto transparency patch
rgbecker
parents: 1576
diff changeset
  1014
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1015
    def format(self, document):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1016
        self.check_format(document)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1017
        defaults = self.__Defaults__
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1018
        Refs = self.__Refs__
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1019
        D = {}
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1020
        for k in defaults.keys():
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1021
            default = defaults[k]
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1022
            v = None
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1023
            if hasattr(self, k) and getattr(self,k) is not None:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1024
                v = getattr(self, k)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1025
            elif default is not None:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1026
                v = default
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1027
            if v is not None:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1028
                D[k] = v
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1029
        for k in self.__NoDefault__:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1030
            if hasattr(self, k):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1031
                v = getattr(self,k)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1032
                if v is not None:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1033
                    D[k] = v
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1034
        # force objects to be references where required
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1035
        for k in Refs:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1036
            if D.has_key(k):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1037
                #print"k is", k, "value", D[k]
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1038
                D[k] = document.Reference(D[k])
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1039
        dict = PDFDictionary(D)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1040
        return format(dict, document)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1041
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1042
    def showOutline(self):
2852
397ae33d96fe pdfdoc.py: added setPageLayout and setPageMode
rgbecker
parents: 2838
diff changeset
  1043
        self.setPageMode("UseOutlines")
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1044
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1045
    def showFullScreen(self):
2852
397ae33d96fe pdfdoc.py: added setPageLayout and setPageMode
rgbecker
parents: 2838
diff changeset
  1046
        self.setPageMode("FullScreen")
397ae33d96fe pdfdoc.py: added setPageLayout and setPageMode
rgbecker
parents: 2838
diff changeset
  1047
397ae33d96fe pdfdoc.py: added setPageLayout and setPageMode
rgbecker
parents: 2838
diff changeset
  1048
    def setPageLayout(self,layout):
397ae33d96fe pdfdoc.py: added setPageLayout and setPageMode
rgbecker
parents: 2838
diff changeset
  1049
        if layout:
397ae33d96fe pdfdoc.py: added setPageLayout and setPageMode
rgbecker
parents: 2838
diff changeset
  1050
            self.PageLayout = PDFName(layout)
397ae33d96fe pdfdoc.py: added setPageLayout and setPageMode
rgbecker
parents: 2838
diff changeset
  1051
397ae33d96fe pdfdoc.py: added setPageLayout and setPageMode
rgbecker
parents: 2838
diff changeset
  1052
    def setPageMode(self,mode):
397ae33d96fe pdfdoc.py: added setPageLayout and setPageMode
rgbecker
parents: 2838
diff changeset
  1053
        if mode:
397ae33d96fe pdfdoc.py: added setPageLayout and setPageMode
rgbecker
parents: 2838
diff changeset
  1054
            self.PageMode = PDFName(mode)
1577
ad1dd1f8e061 Jerome Alet's auto transparency patch
rgbecker
parents: 1576
diff changeset
  1055
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1056
    def check_format(self, document):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1057
        """for use in subclasses"""
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1058
        pass
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1059
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1060
class PDFPages(PDFCatalog):
2229
99cb312c5269 Fix transparency & jpeg behaviour
rgbecker
parents: 2200
diff changeset
  1061
    """PAGES TREE WITH ONE INTERNAL NODE, FOR "BALANCING" CHANGE IMPLEMENTATION"""
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1062
    __Comment__ = "page tree"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1063
    __RefOnly__ = 1
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1064
    # note: could implement page attribute inheritance...
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1065
    __Defaults__ = {"Type": PDFName("Pages"),
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1066
                    }
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1067
    __NoDefault__ = string.split("Kids Count Parent")
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1068
    __Refs__ = ["Parent"]
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1069
    def __init__(self):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1070
        self.pages = []
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1071
    def __getitem__(self, item):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1072
        return self.pages[item]
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1073
    def addPage(self, page):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1074
        self.pages.append(page)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1075
    def check_format(self, document):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1076
        # convert all pages to page references
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1077
        pages = self.pages
2229
99cb312c5269 Fix transparency & jpeg behaviour
rgbecker
parents: 2200
diff changeset
  1078
        kids = PDFArray(pages)
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1079
        # make sure all pages are references
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1080
        kids.References(document)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1081
        self.Kids = kids
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1082
        self.Count = len(pages)
3198
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
  1083
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1084
class PDFPage(PDFCatalog):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1085
    __Comment__ = "Page dictionary"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1086
    # all PDF attributes can be set explicitly
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1087
    # if this flag is set, the "usual" behavior will be suppressed
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1088
    Override_default_compilation = 0
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1089
    __RefOnly__ = 1
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1090
    __Defaults__ = {"Type": PDFName("Page"),
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1091
                   # "Parent": PDFObjectReference(Pages),  # no! use document.Pages
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1092
                    }
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1093
    __NoDefault__ = string.split(""" Parent
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1094
        MediaBox Resources Contents CropBox Rotate Thumb Annots B Dur Hid Trans AA
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1095
        PieceInfo LastModified SeparationInfo ArtBox TrimBox BleedBox ID PZ
500
58d712fef651 Fixed page transitions; extended Pythonpoint
andy_robinson
parents: 494
diff changeset
  1096
        Trans
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1097
    """)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1098
    __Refs__ = string.split("""
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1099
        Contents Parent ID
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1100
    """)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1101
    pagewidth = 595
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1102
    pageheight = 842
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1103
    stream = None
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1104
    hasImages = 0
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1105
    compression = 0
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1106
    XObjects = None
3226
cd06c1172678 pdfgen,pdfbase: fix handling of CMYKColorSep spotNames with spaces etc
rgbecker
parents: 3198
diff changeset
  1107
    _colorsUsed = {}
500
58d712fef651 Fixed page transitions; extended Pythonpoint
andy_robinson
parents: 494
diff changeset
  1108
    Trans = None
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1109
    # transitionstring?
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1110
    # xobjects?
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1111
    # annotations
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1112
    def __init__(self):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1113
        # set all nodefaults to None
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1114
        for name in self.__NoDefault__:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1115
            setattr(self, name, None)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1116
    def setCompression(self, onoff):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1117
        self.compression = onoff
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1118
    def setStream(self, code):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1119
        if self.Override_default_compilation:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1120
            raise ValueError, "overridden! must set stream explicitly"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1121
        from types import ListType
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1122
        if type(code) is ListType:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1123
            code = string.join(code, LINEEND)+LINEEND
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1124
        self.stream = code
500
58d712fef651 Fixed page transitions; extended Pythonpoint
andy_robinson
parents: 494
diff changeset
  1125
58d712fef651 Fixed page transitions; extended Pythonpoint
andy_robinson
parents: 494
diff changeset
  1126
    def setPageTransition(self, tranDict):
58d712fef651 Fixed page transitions; extended Pythonpoint
andy_robinson
parents: 494
diff changeset
  1127
        self.Trans = PDFDictionary(tranDict)
1577
ad1dd1f8e061 Jerome Alet's auto transparency patch
rgbecker
parents: 1576
diff changeset
  1128
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1129
    def check_format(self, document):
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1130
        # set up parameters unless usual behaviour is suppressed
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1131
        if self.Override_default_compilation:
1577
ad1dd1f8e061 Jerome Alet's auto transparency patch
rgbecker
parents: 1576
diff changeset
  1132
            return
2798
40f791c3cbf8 pdfdoc.py: allow for proper external forms info
rgbecker
parents: 2778
diff changeset
  1133
        self.MediaBox = self.MediaBox or PDFArray(self.Rotate in (90,270) and [0,0,self.pageheight,self.pagewidth] or [0, 0, self.pagewidth, self.pageheight])
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1134
        if not self.Annots:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1135
            self.Annots = None
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1136
        else:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1137
            #print self.Annots
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1138
            #raise ValueError, "annotations not reimplemented yet"
3101
ec18b8a44cd2 reportlab:attempt to make PDF objects more explicit
rgbecker
parents: 3031
diff changeset
  1139
            if not hasattr(self.Annots,'__PDFObject__'):
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1140
                self.Annots = PDFArray(self.Annots)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1141
        if not self.Contents:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1142
            stream = self.stream
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1143
            if not stream:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1144
                self.Contents = teststream()
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1145
            else:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1146
                S = PDFStream()
484
cc20a344973c Aaron's latest update from the newslist
rgbecker
parents: 483
diff changeset
  1147
                if self.compression:
1679
e77be1edcd61 Fixed page stream filter order (Thanks Bernhard)
andy_robinson
parents: 1677
diff changeset
  1148
                    S.filters = [PDFBase85Encode, PDFZCompress]
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1149
                S.content = stream
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1150
                S.__Comment__ = "page stream"
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1151
                self.Contents = S
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1152
        if not self.Resources:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1153
            resources = PDFResourceDictionary()
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1154
            # fonts!
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1155
            resources.basicFonts()
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1156
            if self.hasImages:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1157
                resources.allProcs()
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1158
            else:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1159
                resources.basicProcs()
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1160
            if self.XObjects:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1161
                #print "XObjects", self.XObjects.dict
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1162
                resources.XObject = self.XObjects
3198
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
  1163
            if self.ExtGState:
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
  1164
                resources.ExtGState = self.ExtGState
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
  1165
            resources.setColorSpace(self._colorsUsed)
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
  1166
481
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1167
            self.Resources = resources
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1168
        if not self.Parent:
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1169
            pages = document.Pages
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1170
            self.Parent = document.Reference(pages)
136669babedf complete revision of pdfdoc. Not finished (compression missing, testing needed)
aaron_watters
parents: 479
diff changeset
  1171
3198
683ca9eb6b18 reportlab: added in support for Overprint/Opacity & Separated colours (Opacity inspired by Simon King)
rgbecker
parents: 3172
diff changeset
  1172
#this code contributed by  Christian Jacobs <cljacobsen@gmail.com>
2869
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1173
class PDFPageLabels(PDFCatalog):
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1174
    __comment__ = None
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1175
    __RefOnly__ = 0
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1176
    __Defaults__ = {}
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1177
    __NoDefault__ = ["Nums"]
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1178
    __Refs__ = []
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1179
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1180
    def __init__(self):
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1181
        self.labels = []
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1182
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1183
    def addPageLabel(self, page, label):
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1184
        """ Adds a new PDFPageLabel to this catalog.
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1185
        The 'page' argument, an integer, is the page number in the PDF document
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1186
        with which the 'label' should be associated. Page numbering in the PDF
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1187
        starts at zero! Thus, to change the label on the first page, '0' should be
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1188
        provided as an argument, and to change the 6th page, '5' should be provided
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
rgbecker
parents: 2852
diff changeset
  1189
        as the argument.
912456caa112 reportlab: add in PageLabel stuff from Christian jacobs and Date fix from Dinu Gherman
r&#