#!/bin/env python

""" This module includes some reusable routines for ReportLab's

 'Corporate Image' - the logo, standard page backdrops and

 so on - you are advised to do the same for your own company!"""

from reportlab.lib.units import inch

class ReportLabLogo:

    """vector reportlab logo centered in a 250x by 150y rectangle"""

    def __init__(self, atx=0, aty=0, width=2.5*inch, height=1.5*inch, powered_by=0):

        self.origin = (atx, aty)

        self.dimensions = (width, height)

        self.powered_by = powered_by

    dogrid = 0

    xticks = 25

    yticks = 15

    def draw(self, canvas):

        canvas.saveState()

        (atx,aty) = self.origin

        canvas.translate(atx, aty)

        (width, height) = self.dimensions

        canvas.scale(width/250.0, height/150.0)

        # do a skew

        canvas.skew(0,20)

        self.setup(canvas)

        if self.powered_by:

            canvas.setFont("Helvetica-Bold", 18)

            canvas.drawString(-15, 135, "powered by")

        # do a stretched "ReportLab"

        canvas.saveState()

        canvas.setFont("Helvetica-Bold", 30)

        canvas.scale(1.65,1)

        canvas.drawString(0,60,"ReportLab")

        canvas.restoreState()

        # draw the "page" as a bunch of rectangles

        rects = [

        #  x  y  h, w

         [65,10,40,8], # below p

         [65,53,22.5,8], # over p

         [65,78,50,8], # above p

         [65,123,7,75], # across top

         [161,86,29,9], # above L

         [161,60.5,21,9], # over L

         [161,10,47,9], # below L

         [65,10,7,102], # across bottom

         [140,110,20,10], # notch vertical

         [140,110,7,29.5],# notch horizontal

         ]

        fill = 1

        for [x,y,h,w] in rects:

            canvas.rect(x,y,w,h, stroke=1, fill=fill)

            #break

        path = canvas.beginPath()

        path.moveTo(150,130)

        for (x,y) in ((170,115), (167,112), (147,127)):

            path.lineTo(x,y)

        #path.close()

        canvas.drawPath(path, stroke=1, fill=fill)

        canvas.restoreState()

    def setup(self, canvas):

        xticks, yticks = self.xticks, self.yticks

        if self.dogrid:

            canvas.saveState()

            for y in range(yticks):

                if y%5==0:

                     canvas.setStrokeColorRGB(1,0,0)

                canvas.line(0,y*10,xticks*10,y*10)

                if y%5==0:

                     canvas.setStrokeColorRGB(0,1,0)

            for x in range(xticks):

                if x%5==0:

                     canvas.setStrokeColorRGB(1,0,0)

                canvas.line(x*10,yticks*10,x*10,0)

                if x%5==0:

                     canvas.setStrokeColorRGB(0,1,0)

            canvas.restoreState()

def main(filename, logomaker):

    from reportlab.pdfgen import canvas

    c = canvas.Canvas(filename)

    #c.translate(inch,inch)

    # scale each point to a quarter inch/10

    #tqinch = inch/40.0

    #c.scale(tqinch, tqinch)

    logomaker.draw(c)

    c.save()

if __name__=="__main__":

    logomaker = ReportLabLogo(inch, 8*inch, powered_by=1)

    main("logo.pdf", logomaker)