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fpdf.rb
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fpdf.rb
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# Ruby FPDF 1.53d
# FPDF 1.53 by Olivier Plathey ported to Ruby by Brian Ollenberger
# Copyright 2005 Brian Ollenberger
# Please retain this entire copyright notice. If you distribute any
# modifications, place an additional comment here that clearly indicates
# that it was modified. You may (but are not send any useful modifications that you make
# back to me at http://zeropluszero.com/software/fpdf/
# Bug fixes, examples, external fonts, JPEG support, and upgrade to version
# 1.53 contributed by Kim Shrier.
#
# Bookmark support contributed by Sylvain Lafleur.
#
# EPS support contributed by Thiago Jackiw, ported from the PHP version by Valentin Schmidt.
#
# Many other bug reports and fixes contributed by many other people.
require 'date'
require 'zlib'
class FPDF
FPDF_VERSION = '1.53d'
Charwidths = {
'courier'=>[600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600],
'courierB'=>[600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600],
'courierI'=>[600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600],
'courierBI'=>[600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600,600],
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'helveticaI'=>[278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 355, 556, 556, 889, 667, 191, 333, 333, 389, 584, 278, 333, 278, 278, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 278, 278, 584, 584, 584, 556, 1015, 667, 667, 722, 722, 667, 611, 778, 722, 278, 500, 667, 556, 833, 722, 778, 667, 778, 722, 667, 611, 722, 667, 944, 667, 667, 611, 278, 278, 278, 469, 556, 333, 556, 556, 500, 556, 556, 278, 556, 556, 222, 222, 500, 222, 833, 556, 556, 556, 556, 333, 500, 278, 556, 500, 722, 500, 500, 500, 334, 260, 334, 584, 350, 556, 350, 222, 556, 333, 1000, 556, 556, 333, 1000, 667, 333, 1000, 350, 611, 350, 350, 222, 222, 333, 333, 350, 556, 1000, 333, 1000, 500, 333, 944, 350, 500, 667, 278, 333, 556, 556, 556, 556, 260, 556, 333, 737, 370, 556, 584, 333, 737, 333, 400, 584, 333, 333, 333, 556, 537, 278, 333, 333, 365, 556, 834, 834, 834, 611, 667, 667, 667, 667, 667, 667, 1000, 722, 667, 667, 667, 667, 278, 278, 278, 278, 722, 722, 778, 778, 778, 778, 778, 584, 778, 722, 722, 722, 722, 667, 667, 611, 556, 556, 556, 556, 556, 556, 889, 500, 556, 556, 556, 556, 278, 278, 278, 278, 556, 556, 556, 556, 556, 556, 556, 584, 611, 556, 556, 556, 556, 500, 556, 500],
'helveticaBI'=>[278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, 333, 474, 556, 556, 889, 722, 238, 333, 333, 389, 584, 278, 333, 278, 278, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 333, 333, 584, 584, 584, 611, 975, 722, 722, 722, 722, 667, 611, 778, 722, 278, 556, 722, 611, 833, 722, 778, 667, 778, 722, 667, 611, 722, 667, 944, 667, 667, 611, 333, 278, 333, 584, 556, 333, 556, 611, 556, 611, 556, 333, 611, 611, 278, 278, 556, 278, 889, 611, 611, 611, 611, 389, 556, 333, 611, 556, 778, 556, 556, 500, 389, 280, 389, 584, 350, 556, 350, 278, 556, 500, 1000, 556, 556, 333, 1000, 667, 333, 1000, 350, 611, 350, 350, 278, 278, 500, 500, 350, 556, 1000, 333, 1000, 556, 333, 944, 350, 500, 667, 278, 333, 556, 556, 556, 556, 280, 556, 333, 737, 370, 556, 584, 333, 737, 333, 400, 584, 333, 333, 333, 611, 556, 278, 333, 333, 365, 556, 834, 834, 834, 611, 722, 722, 722, 722, 722, 722, 1000, 722, 667, 667, 667, 667, 278, 278, 278, 278, 722, 722, 778, 778, 778, 778, 778, 584, 778, 722, 722, 722, 722, 667, 667, 611, 556, 556, 556, 556, 556, 556, 889, 556, 556, 556, 556, 556, 278, 278, 278, 278, 611, 611, 611, 611, 611, 611, 611, 584, 611, 611, 611, 611, 611, 556, 611, 556],
'times'=>[250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 333, 408, 500, 500, 833, 778, 180, 333, 333, 500, 564, 250, 333, 250, 278, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 278, 278, 564, 564, 564, 444, 921, 722, 667, 667, 722, 611, 556, 722, 722, 333, 389, 722, 611, 889, 722, 722, 556, 722, 667, 556, 611, 722, 722, 944, 722, 722, 611, 333, 278, 333, 469, 500, 333, 444, 500, 444, 500, 444, 333, 500, 500, 278, 278, 500, 278, 778, 500, 500, 500, 500, 333, 389, 278, 500, 500, 722, 500, 500, 444, 480, 200, 480, 541, 350, 500, 350, 333, 500, 444, 1000, 500, 500, 333, 1000, 556, 333, 889, 350, 611, 350, 350, 333, 333, 444, 444, 350, 500, 1000, 333, 980, 389, 333, 722, 350, 444, 722, 250, 333, 500, 500, 500, 500, 200, 500, 333, 760, 276, 500, 564, 333, 760, 333, 400, 564, 300, 300, 333, 500, 453, 250, 333, 300, 310, 500, 750, 750, 750, 444, 722, 722, 722, 722, 722, 722, 889, 667, 611, 611, 611, 611, 333, 333, 333, 333, 722, 722, 722, 722, 722, 722, 722, 564, 722, 722, 722, 722, 722, 722, 556, 500, 444, 444, 444, 444, 444, 444, 667, 444, 444, 444, 444, 444, 278, 278, 278, 278, 500, 500, 500, 500, 500, 500, 500, 564, 500, 500, 500, 500, 500, 500, 500, 500],
'timesB'=>[250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 333, 555, 500, 500, 1000, 833, 278, 333, 333, 500, 570, 250, 333, 250, 278, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 333, 333, 570, 570, 570, 500, 930, 722, 667, 722, 722, 667, 611, 778, 778, 389, 500, 778, 667, 944, 722, 778, 611, 778, 722, 556, 667, 722, 722, 1000, 722, 722, 667, 333, 278, 333, 581, 500, 333, 500, 556, 444, 556, 444, 333, 500, 556, 278, 333, 556, 278, 833, 556, 500, 556, 556, 444, 389, 333, 556, 500, 722, 500, 500, 444, 394, 220, 394, 520, 350, 500, 350, 333, 500, 500, 1000, 500, 500, 333, 1000, 556, 333, 1000, 350, 667, 350, 350, 333, 333, 500, 500, 350, 500, 1000, 333, 1000, 389, 333, 722, 350, 444, 722, 250, 333, 500, 500, 500, 500, 220, 500, 333, 747, 300, 500, 570, 333, 747, 333, 400, 570, 300, 300, 333, 556, 540, 250, 333, 300, 330, 500, 750, 750, 750, 500, 722, 722, 722, 722, 722, 722, 1000, 722, 667, 667, 667, 667, 389, 389, 389, 389, 722, 722, 778, 778, 778, 778, 778, 570, 778, 722, 722, 722, 722, 722, 611, 556, 500, 500, 500, 500, 500, 500, 722, 444, 444, 444, 444, 444, 278, 278, 278, 278, 500, 556, 500, 500, 500, 500, 500, 570, 500, 556, 556, 556, 556, 500, 556, 500],
'timesI'=>[250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 333, 420, 500, 500, 833, 778, 214, 333, 333, 500, 675, 250, 333, 250, 278, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 333, 333, 675, 675, 675, 500, 920, 611, 611, 667, 722, 611, 611, 722, 722, 333, 444, 667, 556, 833, 667, 722, 611, 722, 611, 500, 556, 722, 611, 833, 611, 556, 556, 389, 278, 389, 422, 500, 333, 500, 500, 444, 500, 444, 278, 500, 500, 278, 278, 444, 278, 722, 500, 500, 500, 500, 389, 389, 278, 500, 444, 667, 444, 444, 389, 400, 275, 400, 541, 350, 500, 350, 333, 500, 556, 889, 500, 500, 333, 1000, 500, 333, 944, 350, 556, 350, 350, 333, 333, 556, 556, 350, 500, 889, 333, 980, 389, 333, 667, 350, 389, 556, 250, 389, 500, 500, 500, 500, 275, 500, 333, 760, 276, 500, 675, 333, 760, 333, 400, 675, 300, 300, 333, 500, 523, 250, 333, 300, 310, 500, 750, 750, 750, 500, 611, 611, 611, 611, 611, 611, 889, 667, 611, 611, 611, 611, 333, 333, 333, 333, 722, 667, 722, 722, 722, 722, 722, 675, 722, 722, 722, 722, 722, 556, 611, 500, 500, 500, 500, 500, 500, 500, 667, 444, 444, 444, 444, 444, 278, 278, 278, 278, 500, 500, 500, 500, 500, 500, 500, 675, 500, 500, 500, 500, 500, 444, 500, 444],
'timesBI'=>[250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 389, 555, 500, 500, 833, 778, 278, 333, 333, 500, 570, 250, 333, 250, 278, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 333, 333, 570, 570, 570, 500, 832, 667, 667, 667, 722, 667, 667, 722, 778, 389, 500, 667, 611, 889, 722, 722, 611, 722, 667, 556, 611, 722, 667, 889, 667, 611, 611, 333, 278, 333, 570, 500, 333, 500, 500, 444, 500, 444, 333, 500, 556, 278, 278, 500, 278, 778, 556, 500, 500, 500, 389, 389, 278, 556, 444, 667, 500, 444, 389, 348, 220, 348, 570, 350, 500, 350, 333, 500, 500, 1000, 500, 500, 333, 1000, 556, 333, 944, 350, 611, 350, 350, 333, 333, 500, 500, 350, 500, 1000, 333, 1000, 389, 333, 722, 350, 389, 611, 250, 389, 500, 500, 500, 500, 220, 500, 333, 747, 266, 500, 606, 333, 747, 333, 400, 570, 300, 300, 333, 576, 500, 250, 333, 300, 300, 500, 750, 750, 750, 500, 667, 667, 667, 667, 667, 667, 944, 667, 667, 667, 667, 667, 389, 389, 389, 389, 722, 722, 722, 722, 722, 722, 722, 570, 722, 722, 722, 722, 722, 611, 611, 500, 500, 500, 500, 500, 500, 500, 722, 444, 444, 444, 444, 444, 278, 278, 278, 278, 500, 556, 500, 500, 500, 500, 500, 570, 500, 556, 556, 556, 556, 444, 500, 444],
'symbol'=>[250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 333, 713, 500, 549, 833, 778, 439, 333, 333, 500, 549, 250, 549, 250, 278, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 278, 278, 549, 549, 549, 444, 549, 722, 667, 722, 612, 611, 763, 603, 722, 333, 631, 722, 686, 889, 722, 722, 768, 741, 556, 592, 611, 690, 439, 768, 645, 795, 611, 333, 863, 333, 658, 500, 500, 631, 549, 549, 494, 439, 521, 411, 603, 329, 603, 549, 549, 576, 521, 549, 549, 521, 549, 603, 439, 576, 713, 686, 493, 686, 494, 480, 200, 480, 549, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 750, 620, 247, 549, 167, 713, 500, 753, 753, 753, 753, 1042, 987, 603, 987, 603, 400, 549, 411, 549, 549, 713, 494, 460, 549, 549, 549, 549, 1000, 603, 1000, 658, 823, 686, 795, 987, 768, 768, 823, 768, 768, 713, 713, 713, 713, 713, 713, 713, 768, 713, 790, 790, 890, 823, 549, 250, 713, 603, 603, 1042, 987, 603, 987, 603, 494, 329, 790, 790, 786, 713, 384, 384, 384, 384, 384, 384, 494, 494, 494, 494, 0, 329, 274, 686, 686, 686, 384, 384, 384, 384, 384, 384, 494, 494, 494, 0],
'zapfdingbats'=>[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 278, 974, 961, 974, 980, 719, 789, 790, 791, 690, 960, 939, 549, 855, 911, 933, 911, 945, 974, 755, 846, 762, 761, 571, 677, 763, 760, 759, 754, 494, 552, 537, 577, 692, 786, 788, 788, 790, 793, 794, 816, 823, 789, 841, 823, 833, 816, 831, 923, 744, 723, 749, 790, 792, 695, 776, 768, 792, 759, 707, 708, 682, 701, 826, 815, 789, 789, 707, 687, 696, 689, 786, 787, 713, 791, 785, 791, 873, 761, 762, 762, 759, 759, 892, 892, 788, 784, 438, 138, 277, 415, 392, 392, 668, 668, 0, 390, 390, 317, 317, 276, 276, 509, 509, 410, 410, 234, 234, 334, 334, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 732, 544, 544, 910, 667, 760, 760, 776, 595, 694, 626, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 788, 894, 838, 1016, 458, 748, 924, 748, 918, 927, 928, 928, 834, 873, 828, 924, 924, 917, 930, 931, 463, 883, 836, 836, 867, 867, 696, 696, 874, 0, 874, 760, 946, 771, 865, 771, 888, 967, 888, 831, 873, 927, 970, 918, 0]
}
def initialize(orientation='P', unit='mm', format='A4')
# Initialization of properties
@page=0
@n=2
@buffer=''
@pages=[]
@OrientationChanges=[]
@state=0
@fonts={}
@FontFiles={}
@diffs=[]
@images={}
@links=[]
@PageLinks={}
@InFooter=false
@FontFamily=''
@FontStyle=''
@FontSizePt=12
@underline= false
@DrawColor='0 G'
@FillColor='0 g'
@TextColor='0 g'
@ColorFlag=false
@ws=0
@offsets=[]
# Standard fonts
@CoreFonts={}
@CoreFonts['courier']='Courier'
@CoreFonts['courierB']='Courier-Bold'
@CoreFonts['courierI']='Courier-Oblique'
@CoreFonts['courierBI']='Courier-BoldOblique'
@CoreFonts['helvetica']='Helvetica'
@CoreFonts['helveticaB']='Helvetica-Bold'
@CoreFonts['helveticaI']='Helvetica-Oblique'
@CoreFonts['helveticaBI']='Helvetica-BoldOblique'
@CoreFonts['times']='Times-Roman'
@CoreFonts['timesB']='Times-Bold'
@CoreFonts['timesI']='Times-Italic'
@CoreFonts['timesBI']='Times-BoldItalic'
@CoreFonts['symbol']='Symbol'
@CoreFonts['zapfdingbats']='ZapfDingbats'
# Scale factor
if unit=='pt'
@k=1
elsif unit=='mm'
@k=72/25.4
elsif unit=='cm'
@k=72/2.54;
elsif unit=='in'
@k=72
else
raise 'Incorrect unit: '+unit
end
# Page format
if format.is_a? String
format.downcase!
if format=='a3'
format=[841.89,1190.55]
elsif format=='a4'
format=[595.28,841.89]
elsif format=='a5'
format=[420.94,595.28]
elsif format=='letter'
format=[612,792]
elsif format=='legal'
format=[612,1008]
else
raise 'Unknown page format: '+format
end
@fwPt,@fhPt=format
else
@fwPt=format[0]*@k
@fhPt=format[1]*@k
end
@fw=@fwPt/@k;
@fh=@fhPt/@k;
# Page orientation
orientation.downcase!
if orientation=='p' or orientation=='portrait'
@DefOrientation='P'
@wPt=@fwPt
@hPt=@fhPt
elsif orientation=='l' or orientation=='landscape'
@DefOrientation='L'
@wPt=@fhPt
@hPt=@fwPt
else
raise 'Incorrect orientation: '+orientation
end
@CurOrientation=@DefOrientation
@w=@wPt/@k
@h=@hPt/@k
# Page margins (1 cm)
margin=28.35/@k
SetMargins(margin,margin)
# Interior cell margin (1 mm)
@cMargin=margin/10
# Line width (0.2 mm)
@LineWidth=0.567/@k
# Automatic page break
SetAutoPageBreak(true,2*margin)
# Full width display mode
SetDisplayMode('fullwidth')
# Enable compression
SetCompression(true)
# Set default PDF version number
@PDFVersion='1.3'
end
def SetMargins(left, top, right=-1)
# Set left, top and right margins
@lMargin=left
@tMargin=top
right=left if right==-1
@rMargin=right
end
def SetLeftMargin(margin)
# Set left margin
@lMargin=margin
@x=margin if @page>0 and @x<margin
end
def SetTopMargin(margin)
# Set top margin
@tMargin=margin
end
def SetRightMargin(margin)
#Set right margin
@rMargin=margin
end
def SetAutoPageBreak(auto, margin=0)
# Set auto page break mode and triggering margin
@AutoPageBreak=auto
@bMargin=margin
@PageBreakTrigger=@h-margin
end
def SetDisplayMode(zoom, layout='continuous')
# Set display mode in viewer
if zoom=='fullpage' or zoom=='fullwidth' or zoom=='real' or
zoom=='default' or not zoom.kind_of? String
@ZoomMode=zoom;
elsif zoom=='zoom'
@ZoomMode=layout
else
raise 'Incorrect zoom display mode: '+zoom
end
if layout=='single' or layout=='continuous' or layout=='two' or
layout=='default'
@LayoutMode=layout
elsif zoom!='zoom'
raise 'Incorrect layout display mode: '+layout
end
end
def SetCompression(compress)
# Set page compression
@compress = compress
end
def SetTitle(title)
# Title of document
@title=title
end
def SetSubject(subject)
# Subject of document
@subject=subject
end
def SetAuthor(author)
# Author of document
@author=author
end
def SetKeywords(keywords)
# Keywords of document
@keywords=keywords
end
def SetCreator(creator)
# Creator of document
@creator=creator
end
def AliasNbPages(aliasnb='{nb}')
# Define an alias for total number of pages
@AliasNbPages=aliasnb
end
def Error(msg)
raise 'FPDF error: '+msg
end
def Open
# Begin document
@state=1
end
def Close
# Terminate document
return if @state==3
self.AddPage if @page==0
# Page footer
@InFooter=true
self.Footer
@InFooter=false
# Close page
endpage
# Close document
enddoc
end
def AddPage(orientation='')
# Start a new page
self.Open if @state==0
family=@FontFamily
style=@FontStyle+(@underline ? 'U' : '')
size=@FontSizePt
lw=@LineWidth
dc=@DrawColor
fc=@FillColor
tc=@TextColor
cf=@ColorFlag
if @page>0
# Page footer
@InFooter=true
self.Footer
@InFooter=false
# Close page
endpage
end
# Start new page
beginpage(orientation)
# Set line cap style to square
out('2 J')
# Set line width
@LineWidth=lw
out(sprintf('%.2f w',lw*@k))
# Set font
SetFont(family,style,size) if family
# Set colors
@DrawColor=dc
out(dc) if dc!='0 G'
@FillColor=fc
out(fc) if fc!='0 g'
@TextColor=tc
@ColorFlag=cf
# Page header
self.Header
# Restore line width
if @LineWidth!=lw
@LineWidth=lw
out(sprintf('%.2f w',lw*@k))
end
# Restore font
self.SetFont(family,style,size) if family
# Restore colors
if @DrawColor!=dc
@DrawColor=dc
out(dc)
end
if @FillColor!=fc
@FillColor=fc
out(fc)
end
@TextColor=tc
@ColorFlag=cf
end
def Header
# To be implemented in your inherited class
end
def Footer
# To be implemented in your inherited class
end
def PageNo
# Get current page number
@page
end
def SetDrawColor(r,g=-1,b=-1)
# Set color for all stroking operations
if (r==0 and g==0 and b==0) or g==-1
@DrawColor=sprintf('%.3f G',r/255.0)
else
@DrawColor=sprintf('%.3f %.3f %.3f RG',r/255.0,g/255.0,b/255.0)
end
out(@DrawColor) if(@page>0)
end
def SetFillColor(r,g=-1,b=-1)
# Set color for all filling operations
if (r==0 and g==0 and b==0) or g==-1
@FillColor=sprintf('%.3f g',r/255.0)
else
@FillColor=sprintf('%.3f %.3f %.3f rg',r/255.0,g/255.0,b/255.0)
end
@ColorFlag=(@FillColor!=@TextColor)
out(@FillColor) if(@page>0)
end
def SetTextColor(r,g=-1,b=-1)
# Set color for text
if (r==0 and g==0 and b==0) or g==-1
@TextColor=sprintf('%.3f g',r/255.0)
else
@TextColor=sprintf('%.3f %.3f %.3f rg',r/255.0,g/255.0,b/255.0)
end
@ColorFlag=(@FillColor!=@TextColor)
end
def GetStringWidth(s)
# Get width of a string in the current font
cw=@CurrentFont['cw']
w=0
s.each_byte do |c|
w=w+cw[c]
end
w*@FontSize/1000.0
end
def SetLineWidth(width)
# Set line width
@LineWidth=width
out(sprintf('%.2f w',width*@k)) if @page>0
end
def Line(x1, y1, x2, y2)
# Draw a line
out(sprintf('%.2f %.2f m %.2f %.2f l S',
x1*@k,(@h-y1)*@k,x2*@k,(@h-y2)*@k))
end
def Rect(x, y, w, h, style='')
# Draw a rectangle
if style=='F'
op='f'
elsif style=='FD' or style=='DF'
op='B'
else
op='S'
end
out(sprintf('%.2f %.2f %.2f %.2f re %s', x*@k,(@h-y)*@k,w*@k,-h*@k,op))
end
def AddFont(family, style='', file='')
# Add a TrueType or Type1 font
family = family.downcase
family = 'helvetica' if family == 'arial'
style = style.upcase
style = 'BI' if style == 'IB'
fontkey = family + style
if @fonts.has_key?(fontkey)
self.Error("Font already added: #{family} #{style}")
end
file = family.gsub(' ', '') + style.downcase + '.rb' if file == ''
if self.class.const_defined? 'FPDF_FONTPATH'
if FPDF_FONTPATH[-1,1] == '/'
file = FPDF_FONTPATH + file
else
file = FPDF_FONTPATH + '/' + file
end
end
# Changed from "require file" to fix bug reported by Hans Allis.
load file
if FontDef.desc.nil?
self.Error("Could not include font definition file #{file}")
end
i = @fonts.length + 1
@fonts[fontkey] = {'i' => i,
'type' => FontDef.type,
'name' => FontDef.name,
'desc' => FontDef.desc,
'up' => FontDef.up,
'ut' => FontDef.ut,
'cw' => FontDef.cw,
'enc' => FontDef.enc,
'file' => FontDef.file
}
if FontDef.diff
# Search existing encodings
idx = @diffs.index(FontDef.diff)
unless idx
@diffs.push(FontDef.diff)
@fonts[fontkey]['diff'] = @diffs.length
else
@fonts[fontkey]['diff'] = idx + 1
end
end
if FontDef.file
if FontDef.type == 'TrueType'
@FontFiles[FontDef.file] = {'length1' => FontDef.originalsize}
else
@FontFiles[FontDef.file] = {'length1' => FontDef.size1, 'length2' => FontDef.size2}
end
end
return self
end
def SetFont(family, style='', size=0)
# Select a font; size given in points
family.downcase!
family=@FontFamily if family==''
if family=='arial'
family='helvetica'
elsif family=='symbol' or family=='zapfdingbats'
style=''
end
style.upcase!
unless style.index('U').nil?
@underline=true
style.gsub!('U','')
else
@underline=false;
end
style='BI' if style=='IB'
size=@FontSizePt if size==0
# Test if font is already selected
return if @FontFamily==family and
@FontStyle==style and @FontSizePt==size
# Test if used for the first time
fontkey=family+style
unless @fonts.has_key?(fontkey)
if @CoreFonts.has_key?(fontkey)
unless Charwidths.has_key?(fontkey)
raise 'Font unavailable'
end
@fonts[fontkey]={
'i'=>@fonts.size,
'type'=>'core',
'name'=>@CoreFonts[fontkey],
'up'=>-100,
'ut'=>50,
'cw'=>Charwidths[fontkey]}
else
raise 'Font unavailable'
end
end
#Select it
@FontFamily=family
@FontStyle=style;
@FontSizePt=size
@FontSize=size/@k;
@CurrentFont=@fonts[fontkey]
if @page>0
out(sprintf('BT /F%d %.2f Tf ET', @CurrentFont['i'], @FontSizePt))
end
end
def SetFontSize(size)
# Set font size in points
return if @FontSizePt==size
@FontSizePt=size
@FontSize=size/@k
if @page>0
out(sprintf('BT /F%d %.2f Tf ET',@CurrentFont['i'],@FontSizePt))
end
end
def AddLink
# Create a new internal link
@links.push([0, 0])
@links.size
end
def SetLink(link, y=0, page=-1)
# Set destination of internal link
y=@y if y==-1
page=@page if page==-1
@links[link]=[page, y]
end
def Link(x, y, w, h, link)
# Put a link on the page
@PageLinks[@page]=Array.new unless @PageLinks.has_key?(@page)
@PageLinks[@page].push([x*@k,@hPt-y*@k,w*@k,h*@k,link])
end
def Text(x, y, txt)
# Output a string
txt.gsub!(')', '\\)')
txt.gsub!('(', '\\(')
txt.gsub!('\\', '\\\\')
s=sprintf('BT %.2f %.2f Td (%s) Tj ET',x*@k,(@h-y)*@k,txt);
s=s+' '+dounderline(x,y,txt) if @underline and txt!=''
s='q '+@TextColor+' '+s+' Q' if @ColorFlag
out(s)
end
def AcceptPageBreak
# Accept automatic page break or not
@AutoPageBreak
end
def Cell(w,h=0,txt='',border=0,ln=0,align='',fill=0,link='')
# Output a cell
if @y+h>@PageBreakTrigger and !@InFooter and self.AcceptPageBreak
# Automatic page break
x=@x
ws=@ws
if ws>0
@ws=0
out('0 Tw')
end
self.AddPage(@CurOrientation)
@x=x
if ws>0
@ws=ws
out(sprintf('%.3f Tw',ws*@k))
end
end
w=@w-@rMargin-@x if w==0
s=''
if fill==1 or border==1
if fill==1
op=(border==1) ? 'B' : 'f'
else
op='S'
end
s=sprintf('%.2f %.2f %.2f %.2f re %s ',@x*@k,(@h-@y)*@k,w*@k,-h*@k,op)
end
if border.is_a? String
x=@x
y=@y
unless border.index('L').nil?
s=s+sprintf('%.2f %.2f m %.2f %.2f l S ',
x*@k,(@h-y)*@k,x*@k,(@h-(y+h))*@k)
end
unless border.index('T').nil?
s=s+sprintf('%.2f %.2f m %.2f %.2f l S ',
x*@k,(@h-y)*@k,(x+w)*@k,(@h-y)*@k)
end
unless border.index('R').nil?
s=s+sprintf('%.2f %.2f m %.2f %.2f l S ',
(x+w)*@k,(@h-y)*@k,(x+w)*@k,(@h-(y+h))*@k)
end
unless border.index('B').nil?
s=s+sprintf('%.2f %.2f m %.2f %.2f l S ',
x*@k,(@h-(y+h))*@k,(x+w)*@k,(@h-(y+h))*@k)
end
end
if txt!=''
if align=='R'
[email protected](txt)
elsif align=='C'
dx=(w-self.GetStringWidth(txt))/2
else
dx=@cMargin
end
txt = txt.gsub(')', '\\)')
txt.gsub!('(', '\\(')
txt.gsub!('\\', '\\\\')
if @ColorFlag
s=s+'q '+@TextColor+' '
end
s=s+sprintf('BT %.2f %.2f Td (%s) Tj ET',
(@x+dx)*@k,(@h-(@y+0.5*h+0.3*@FontSize))*@k,txt)
s=s+' '+dounderline(@x+dx,@y+0.5*h+0.3*@FontSize,txt) if @underline
s=s+' Q' if @ColorFlag
if link and link != ''
Link(@x+dx,@y+0.5*h-0.5*@FontSize,GetStringWidth(txt),@FontSize,link)
end
end
out(s) if s
@lasth=h
if ln>0
# Go to next line
@y=@y+h
@x=@lMargin if ln==1
else
@x=@x+w
end
end
def MultiCell(w,h,txt,border=0,align='J',fill=0)
# Output text with automatic or explicit line breaks
cw=@CurrentFont['cw']
w=@w-@rMargin-@x if w==0
wmax=(w-2*@cMargin)*1000/@FontSize
s=txt.gsub('\r','')
nb=s.length
nb=nb-1 if nb>0 and s[nb-1].chr=='\n'
b=0
if border!=0
if border==1
border='LTRB'
b='LRT'
b2='LR'
else
b2=''
b2='L' unless border.index('L').nil?
b2=b2+'R' unless border.index('R').nil?
b=(not border.index('T').nil?) ? (b2+'T') : b2
end
end
sep=-1
i=0
j=0
l=0
ns=0
nl=1
while i<nb
# Get next character
c=s[i].chr
if c=="\n"
# Explicit line break
if @ws>0
@ws=0
out('0 Tw')
end
# Changed from s[j..i] to fix bug reported by Hans Allis.
self.Cell(w,h,s[j..i-1],b,2,align,fill)
i=i+1
sep=-1
j=i
l=0
ns=0
nl=nl+1
b=b2 if border and nl==2
else
if c==' '
sep=i
ls=l
ns=ns+1
end
l=l+cw[c[0]]
if l>wmax
# Automatic line break
if sep==-1
i=i+1 if i==j
if @ws>0
@ws=0
out('0 Tw')
end
self.Cell(w,h,s[j..i],b,2,align,fill)
else
if align=='J'
@ws=(ns>1) ? (wmax-ls)/1000.0*@FontSize/(ns-1) : 0
out(sprintf('%.3f Tw',@ws*@k))
end
self.Cell(w,h,s[j..sep],b,2,align,fill)
i=sep+1
end
sep=-1
j=i
l=0
ns=0
nl=nl+1
b=b2 if border and nl==2
else
i=i+1
end
end
end
# Last chunk
if @ws>0
@ws=0
out('0 Tw')
end
b=b+'B' if border!=0 and not border.index('B').nil?
self.Cell(w,h,s[j..i],b,2,align,fill)
@x=@lMargin
end
def Write(h,txt,link='')
# Output text in flowing mode
cw=@CurrentFont['cw']
w=@w-@rMargin-@x
wmax=(w-2*@cMargin)*1000/@FontSize
s=txt.gsub("\r",'')
nb=s.length
sep=-1
i=0
j=0
l=0
nl=1
while i<nb
# Get next character
c=s[i]
if c=="\n"[0]
# Explicit line break
self.Cell(w,h,s[j,i-j],0,2,'',0,link)
i=i+1
sep=-1
j=i
l=0
if nl==1
@x=@lMargin
w=@w-@rMargin-@x
wmax=(w-2*@cMargin)*1000/@FontSize
end
nl=nl+1
next
end
if c==' '[0]
sep=i
ls=l
end
l=l+cw[c.to_i];
if l>wmax
# Automatic line break
if sep==-1
if @x>@lMargin
# Move to next line
@x=@lMargin
@y=@y+h
w=@w-@rMargin-@x
wmax=(w-2*@cMargin)*1000/@FontSize
i=i+1
nl=nl+1
next
end
i=i+1 if i==j
self.Cell(w,h,s[j,i-j],0,2,'',0,link)
else
self.Cell(w,h,s[j,sep-j],0,2,'',0,link)
i=sep+1
end
sep=-1
j=i
l=0
if nl==1
@x=@lMargin
w=@w-@rMargin-@x
wmax=(w-2*@cMargin)*1000/@FontSize
end
nl=nl+1
else
i=i+1
end
end
# Last chunk
self.Cell(l/1000.0*@FontSize,h,s[j,i],0,0,'',0,link) if i!=j
end
def Image(file,x,y,w,h=0,type='',link='')
# Put an image on the page
unless @images.has_key?(file)
# First use of image, get info
if type==''
pos=file.rindex('.')
if pos.nil?
self.Error('Image file has no extension and no type was '+
'specified: '+file)
end
type=file[pos+1..-1]
end
type.downcase!
if type=='jpg' or type=='jpeg'
info=parsejpg(file)
elsif type=='png'
info=parsepng(file)
else
self.Error('Unsupported image file type: '+type)
end
info['i'][email protected]+1
@images[file]=info
else
info=@images[file]
end
# Automatic width or height calculation
w=h*info['w']/info['h'] if w==0
h=w*info['h']/info['w'] if h==0
out(sprintf('q %.2f 0 0 %.2f %.2f %.2f cm /I%d Do Q',
w*@k,h*@k,x*@k,(@h-(y+h))*@k,info['i']))
Link(x,y,w,h,link) if link and link != ''
end
def Ln(h='')
# Line feed; default value is last cell height
@x=@lMargin
if h.kind_of?(String)
@y=@y+@lasth
else
@y=@y+h
end
end
def GetX
# Get x position
@x
end
def SetX(x)
# Set x position
if x>=0
@x=x
else
@x=@w+x
end
end
def GetY
# Get y position
@y
end
def SetY(y)
# Set y position and reset x
@x=@lMargin
if y>=0
@y=y
else
@y=@h+y
end
end
def SetXY(x,y)
# Set x and y positions
SetY(y)
SetX(x)
end
def Output(file=nil)
# Output PDF to file or return as a string
# Finish document if necessary
self.Close if(@state<3)
if file.nil?
# Return as a string
return @buffer
else
# Save file locally
open(file,'wb') do |f|
f.write(@buffer)
end
end
end
private
def putpages
nb=@page
unless @AliasNbPages.nil? or @AliasNbPages==''
# Replace number of pages
1.upto(nb) do |n|
@pages[n].gsub!(@AliasNbPages,nb.to_s)
end
end
if @DefOrientation=='P'
wPt=@fwPt
hPt=@fhPt
else
wPt=@fhPt
hPt=@fwPt
end
filter=(@compress) ? '/Filter /FlateDecode ' : ''
1.upto(nb) do |n|
# Page
newobj
out('<</Type /Page')
out('/Parent 1 0 R')
unless @OrientationChanges[n].nil?
out(sprintf('/MediaBox [0 0 %.2f %.2f]',hPt,wPt))
end
out('/Resources 2 0 R')
if @PageLinks[n]
# Links
annots='/Annots ['
@PageLinks[n].each do |pl|
rect=sprintf('%.2f %.2f %.2f %.2f',
pl[0],pl[1],pl[0]+pl[2],pl[1]-pl[3])
annots=annots+'<</Type /Annot /Subtype /Link /Rect ['+rect+
'] /Border [0 0 0] '
if pl[4].kind_of?(String)
annots=annots+'/A <</S /URI /URI '+textstring(pl[4])+
'>>>>'
else
l=@links[pl[4]]
h=@OrientationChanges[l[0]].nil? ? hPt : wPt
annots=annots+sprintf(
'/Dest [%d 0 R /XYZ 0 %.2f null]>>',
1+2*l[0],h-l[1]*@k)
end
end
out(annots+']')
end
out('/Contents '+(@n+1).to_s+' 0 R>>')
out('endobj')
# Page content
p=(@compress) ? Zlib::Deflate.deflate(@pages[n]) : @pages[n]
newobj
out('<<'+filter+'/Length '+p.length.to_s+'>>')
putstream(p)
out('endobj')
end
# Pages root
@offsets[1][email protected]
out('1 0 obj')
out('<</Type /Pages')
kids='/Kids ['
nb.times do |i|
kids=kids+(3+2*i).to_s+' 0 R '
end
out(kids+']')
out('/Count '+nb.to_s)
out(sprintf('/MediaBox [0 0 %.2f %.2f]',wPt,hPt))
out('>>')
out('endobj')
end
def putfonts
nf=@n
@diffs.each do |diff|
# Encodings
newobj
out('<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences '+
'['+diff+']>>')
out('endobj')
end
@FontFiles.each do |file, info|
# Font file embedding
newobj
@FontFiles[file]['n'] = @n