[380] | 1 | #! /usr/bin/env python |
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| 2 | # -*- coding: ISO-8859-15 -*- |
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| 3 | # |
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| 4 | # pkpgcounter : a generic Page Description Language parser |
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| 5 | # |
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| 6 | # (c) 2003, 2004, 2005, 2006 Jerome Alet <alet@librelogiciel.com> |
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| 7 | # This program is free software; you can redistribute it and/or modify |
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| 8 | # it under the terms of the GNU General Public License as published by |
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| 9 | # the Free Software Foundation; either version 2 of the License, or |
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| 10 | # (at your option) any later version. |
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| 11 | # |
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| 12 | # This program is distributed in the hope that it will be useful, |
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| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | # GNU General Public License for more details. |
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| 16 | # |
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| 17 | # You should have received a copy of the GNU General Public License |
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| 18 | # along with this program; if not, write to the Free Software |
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| 19 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 20 | # |
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| 21 | # $Id$ |
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| 22 | # |
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| 23 | # |
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| 24 | |
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| 25 | """This document was created with the help of the ReportLab ToolKit (tm) |
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| 26 | available as Free Software from http://www.reportlab.org |
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| 27 | |
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| 28 | It contains 9 pages, including this one. |
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| 29 | |
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| 30 | Each page after this one is entirely filled with 100% of a particular |
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| 31 | color, as described below : |
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| 32 | |
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| 33 | Page 1 ====> This notice |
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| 34 | Page 2 ====> Red |
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| 35 | Page 3 ====> Green |
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| 36 | Page 4 ====> Blue |
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| 37 | Page 5 ====> Cyan |
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| 38 | Page 6 ====> Magenta |
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| 39 | Page 7 ====> Yellow |
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| 40 | Page 8 ====> Black |
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| 41 | Page 9 ====> White |
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| 42 | |
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| 43 | This document helps to ensure that the computation of ink coverage |
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| 44 | made by pkpgcounter works as expected. |
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| 45 | |
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| 46 | To check by yourself : |
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| 47 | |
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| 48 | $ for cspace in BW RGB CMY CMYK ; do |
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| 49 | echo "Colorspace : $cspace" ; |
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| 50 | pkpgcounter --colorspace $cspace colors.pdf ; |
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| 51 | echo ; |
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| 52 | done |
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| 53 | |
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| 54 | Please report any problem to : alet@librelogiciel.com |
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| 55 | """ |
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| 56 | |
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| 57 | import sys |
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| 58 | try : |
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| 59 | from reportlab.lib import colors |
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| 60 | from reportlab.lib import pagesizes |
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| 61 | from reportlab.lib.units import cm |
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| 62 | from reportlab.pdfgen import canvas |
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| 63 | except ImportError : |
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| 64 | sys.stderr.write("Please download and install ReportLab\n\tfrom http://www.reportlab.org\n") |
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| 65 | sys.exit(-1) |
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| 66 | |
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| 67 | if __name__ == "__main__" : |
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| 68 | canv = canvas.Canvas("colors.pdf", pagesize=pagesizes.A4) |
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| 69 | (width, height) = pagesizes.A4 |
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| 70 | xbase = 2*cm |
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| 71 | ybase = height - 2*cm |
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| 72 | |
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| 73 | # First we output the explanations on the first page. |
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| 74 | canv.setFont("Helvetica", 16) |
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| 75 | for line in __doc__.split("\n") : |
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| 76 | canv.drawString(xbase, ybase, line) |
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| 77 | ybase -= 24 |
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| 78 | canv.showPage() |
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| 79 | |
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| 80 | # Then we output each page |
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| 81 | for color in (colors.Color(1, 0, 0), # Red |
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| 82 | colors.Color(0, 1, 0), # Green |
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| 83 | colors.Color(0, 0, 1)) : # Blue |
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| 84 | canv.setStrokeColorRGB(*color.rgb()) |
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| 85 | canv.setFillColorRGB(*color.rgb()) |
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| 86 | canv.rect(0, 0, width, height, fill=1) |
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| 87 | canv.showPage() |
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| 88 | |
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| 89 | for color in (colors.CMYKColor(1, 0, 0, 0), # Cyan |
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| 90 | colors.CMYKColor(0, 1, 0, 0), # Magenta |
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| 91 | colors.CMYKColor(0, 0, 1, 0), # Yellow |
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| 92 | colors.CMYKColor(0, 0, 0, 1), # Black |
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| 93 | colors.CMYKColor(0, 0, 0, 0)) : # White |
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| 94 | canv.setStrokeColorCMYK(*color.cmyk()) |
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| 95 | canv.setFillColorCMYK(*color.cmyk()) |
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| 96 | canv.rect(0, 0, width, height, fill=1) |
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| 97 | canv.showPage() |
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| 98 | canv.save() |
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