src/reportlab/graphics/testdrawings.py
author rgbecker
Wed, 03 Sep 2008 16:10:51 +0000
changeset 2964 32352db0d71e
parent 2332 reportlab/graphics/testdrawings.py@2a7ab4405e18
child 3032 22224b1b4d24
permissions -rw-r--r--
reportlab-2.2: second stage of major re-org

#!/bin/env python
#Copyright ReportLab Europe Ltd. 2000-2004
#see license.txt for license details
#history http://www.reportlab.co.uk/cgi-bin/viewcvs.cgi/public/reportlab/trunk/reportlab/graphics/testdrawings.py
__version__=''' $Id $ '''
"""This contains a number of routines to generate test drawings
for reportlab/graphics.  For now they are contrived, but we will expand them
to try and trip up any parser. Feel free to add more.

"""

from reportlab.graphics.shapes import *
from reportlab.lib import colors

def getDrawing1():
    """Hello World, on a rectangular background"""

    D = Drawing(400, 200)
    D.add(Rect(50, 50, 300, 100, fillColor=colors.yellow))  #round corners
    D.add(String(180,100, 'Hello World', fillColor=colors.red))


    return D


def getDrawing2():
    """This demonstrates the basic shapes.  There are
    no groups or references.  Each solid shape should have
    a purple fill."""
    D = Drawing(400, 200) #, fillColor=colors.purple)

    D.add(Line(10,10,390,190))
    D.add(Circle(100,100,20, fillColor=colors.purple))
    D.add(Circle(200,100,20, fillColor=colors.purple))
    D.add(Circle(300,100,20, fillColor=colors.purple))

    D.add(Wedge(330,100,40, -10,40, fillColor=colors.purple))

    D.add(PolyLine([120,10,130,20,140,10,150,20,160,10,
                    170,20,180,10,190,20,200,10]))

    D.add(Polygon([300,20,350,20,390,80,300,75, 330, 40]))

    D.add(Ellipse(50, 150, 40, 20))

    D.add(Rect(120, 150, 60, 30,
               strokeWidth=10,
               strokeColor=colors.red,
               fillColor=colors.yellow))  #square corners

    D.add(Rect(220, 150, 60, 30, 10, 10))  #round corners

    D.add(String(10,50, 'Basic Shapes', fillColor=colors.black))

    return D


##def getDrawing2():
##    """This drawing uses groups. Each group has two circles and a comment.
##    The line style is set at group level and should be red for the left,
##    bvlue for the right."""
##    D = Drawing(400, 200)
##
##    Group1 = Group()
##
##    Group1.add(String(50, 50, 'Group 1', fillColor=colors.black))
##    Group1.add(Circle(75,100,25))
##    Group1.add(Circle(125,100,25))
##    D.add(Group1)
##
##    Group2 = Group(
##        String(250, 50, 'Group 2', fillColor=colors.black),
##        Circle(275,100,25),
##        Circle(325,100,25)#,


##def getDrawing2():
##    """This drawing uses groups. Each group has two circles and a comment.
##    The line style is set at group level and should be red for the left,
##    bvlue for the right."""
##    D = Drawing(400, 200)
##
##    Group1 = Group()
##
##    Group1.add(String(50, 50, 'Group 1', fillColor=colors.black))
##    Group1.add(Circle(75,100,25))
##    Group1.add(Circle(125,100,25))
##    D.add(Group1)
##
##    Group2 = Group(
##        String(250, 50, 'Group 2', fillColor=colors.black),
##        Circle(275,100,25),
##        Circle(325,100,25)#,
##
##        #group attributes
##        #strokeColor=colors.blue
##        )
##    D.add(Group2)

##    return D
##
##
##def getDrawing3():
##    """This uses a named reference object.  The house is a 'subroutine'
##    the basic brick colored walls are defined, but the roof and window
##    color are undefined and may be set by the container."""
##
##    D = Drawing(400, 200, fill=colors.bisque)
##
##
##    House = Group(
##        Rect(2,20,36,30, fill=colors.bisque),  #walls
##        Polygon([0,20,40,20,20,5]), #roof
##        Rect(8, 38, 8, 12), #door
##        Rect(25, 38, 8, 7), #window
##        Rect(8, 25, 8, 7), #window
##        Rect(25, 25, 8, 7) #window
##
##        )
##    D.addDef('MyHouse', House)
##
##    # one row all the same color
##    D.add(String(20, 40, 'British Street...',fill=colors.black))
##    for i in range(6):
##        x = i * 50
##        D.add(NamedReference('MyHouse',
##                             House,
##                             transform=translate(x, 40),
##                             fill = colors.brown
##                             )
##              )
##
##    # now do a row all different
##    D.add(String(20, 120, 'Mediterranean Street...',fill=colors.black))
##    x = 0
##    for color in (colors.blue, colors.yellow, colors.orange,
##                       colors.red, colors.green, colors.chartreuse):
##        D.add(NamedReference('MyHouse',
##                             House,
##                             transform=translate(x,120),
##                             fill = color,
##                             )
##              )
##        x = x + 50
##    #..by popular demand, the mayor gets a big one at the end
##    D.add(NamedReference('MyHouse',
##                             House,
##                             transform=mmult(translate(x,110), scale(1.2,1.2)),
##                             fill = color,
##                             )
##              )
##
##
##    return D
##
##def getDrawing4():
##    """This tests that attributes are 'unset' correctly when
##    one steps back out of a drawing node. All the circles are part of a
##    group setting the line color to blue; the second circle explicitly
##    sets it to red.  Ideally, the third circle should go back to blue."""
##    D = Drawing(400, 200)
##
##
##    G = Group(
##            Circle(100,100,20),
##            Circle(200,100,20, stroke=colors.blue),
##            Circle(300,100,20),
##            stroke=colors.red,
##            stroke_width=3,
##            fill=colors.aqua
##            )
##    D.add(G)
##
##
##    D.add(String(10,50, 'Stack Unwinding - should be red, blue, red'))
##
##    return D
##
##
##def getDrawing5():
##    """This Rotates Coordinate Axes"""
##    D = Drawing(400, 200)
##
##
##
##    Axis = Group(
##        Line(0,0,100,0), #x axis
##        Line(0,0,0,50),   # y axis
##        Line(0,10,10,10), #ticks on y axis
##        Line(0,20,10,20),
##        Line(0,30,10,30),
##        Line(0,40,10,40),
##        Line(10,0,10,10), #ticks on x axis
##        Line(20,0,20,10),
##        Line(30,0,30,10),
##        Line(40,0,40,10),
##        Line(50,0,50,10),
##        Line(60,0,60,10),
##        Line(70,0,70,10),
##        Line(80,0,80,10),
##        Line(90,0,90,10),
##        String(20, 35, 'Axes', fill=colors.black)
##        )
##
##    D.addDef('Axes', Axis)
##
##    D.add(NamedReference('Axis', Axis,
##            transform=translate(10,10)))
##    D.add(NamedReference('Axis', Axis,
##            transform=mmult(translate(150,10),rotate(15)))
##          )
##    return D
##
##def getDrawing6():
##    """This Rotates Text"""
##    D = Drawing(400, 300, fill=colors.black)
##
##    xform = translate(200,150)
##    C = (colors.black,colors.red,colors.green,colors.blue,colors.brown,colors.gray, colors.pink,
##        colors.lavender,colors.lime, colors.mediumblue, colors.magenta, colors.limegreen)
##
##    for i in range(12):
##        D.add(String(0, 0, ' - - Rotated Text', fill=C[i%len(C)], transform=mmult(xform, rotate(30*i))))
##
##    return D
##
##def getDrawing7():
##    """This defines and tests a simple UserNode0 (the trailing zero denotes
##    an experimental method which is not part of the supported API yet).
##    Each of the four charts is a subclass of UserNode which generates a random
##    series when rendered."""
##
##    class MyUserNode(UserNode0):
##        import whrandom, math
##
##
##        def provideNode(self, sender):
##            """draw a simple chart that changes everytime it's drawn"""
##            # print "here's a random  number %s" % self.whrandom.random()
##            #print "MyUserNode.provideNode being called by %s" % sender
##            g = Group()
##            #g._state = self._state  # this is naughty
##            PingoNode.__init__(g, self._state)  # is this less naughty ?
##            w = 80.0
##            h = 50.0
##            g.add(Rect(0,0, w, h, stroke=colors.black))
##            N = 10.0
##            x,y = (0,h)
##            dx = w/N
##            for ii in range(N):
##                dy = (h/N) * self.whrandom.random()
##                g.add(Line(x,y,x+dx, y-dy))
##                x = x + dx
##                y = y - dy
##            return g
##
##    D = Drawing(400,200, fill=colors.white)  # AR - same size as others
##
##    D.add(MyUserNode())
##
##    graphcolor= [colors.green, colors.red, colors.brown, colors.purple]
##    for ii in range(4):
##        D.add(Group( MyUserNode(stroke=graphcolor[ii], stroke_width=2),
##                     transform=translate(ii*90,0) ))
##
##    #un = MyUserNode()
##    #print un.provideNode()
##    return D
##
##def getDrawing8():
##    """Test Path operations--lineto, curveTo, etc."""
##    D = Drawing(400, 200, fill=None, stroke=colors.purple, stroke_width=2)
##
##    xform = translate(200,100)
##    C = (colors.black,colors.red,colors.green,colors.blue,colors.brown,colors.gray, colors.pink,
##        colors.lavender,colors.lime, colors.mediumblue, colors.magenta, colors.limegreen)
##    p = Path(50,50)
##    p.lineTo(100,100)
##    p.moveBy(-25,25)
##    p.curveTo(150,125, 125,125, 200,50)
##    p.curveTo(175, 75, 175, 98, 62, 87)
##
##
##    D.add(p)
##    D.add(String(10,30, 'Tests of path elements-lines and bezier curves-and text formating'))
##    D.add(Line(220,150, 220,200, stroke=colors.red))
##    D.add(String(220,180, "Text should be centered", text_anchor="middle") )
##
##
##    return D


if __name__=='__main__':
    print __doc__