1551 lines
58 KiB
Ruby
1551 lines
58 KiB
Ruby
# Ruby FPDF 1.53d
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# FPDF 1.53 by Olivier Plathey ported to Ruby by Brian Ollenberger
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# Copyright 2005 Brian Ollenberger
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# Please retain this entire copyright notice. If you distribute any
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# modifications, place an additional comment here that clearly indicates
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# that it was modified. You may (but are not send any useful modifications that you make
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# back to me at http://zeropluszero.com/software/fpdf/
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# Bug fixes, examples, external fonts, JPEG support, and upgrade to version
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# 1.53 contributed by Kim Shrier.
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#
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# Bookmark support contributed by Sylvain Lafleur.
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#
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# EPS support contributed by Thiago Jackiw, ported from the PHP version by Valentin Schmidt.
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#
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# Bookmarks contributed by Sylvain Lafleur.
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#
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# 1.53 contributed by Ed Moss
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# Handle '\n' at the beginning of a string
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# Bookmarks contributed by Sylvain Lafleur.
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require 'date'
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require 'zlib'
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class FPDF
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FPDF_VERSION = '1.53d'
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Charwidths = {
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'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],
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'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],
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'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],
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'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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'helvetica'=>[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],
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'helveticaB'=>[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],
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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],
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'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],
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'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],
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'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],
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'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],
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'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],
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'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],
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|
|
'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
|
|
unless @diffs.include?(FontDef.diff)
|
|
@diffs.push(FontDef.diff)
|
|
@fonts[fontkey]['diff'] = @diffs.length - 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'
|
|
dx=w-@cMargin-self.GetStringWidth(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
|
|
#Ed Moss
|
|
# Don't let i go negative
|
|
end_i = i == 0 ? 0 : i - 1
|
|
# Changed from s[j..i] to fix bug reported by Hans Allis.
|
|
self.Cell(w,h,s[j..end_i],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)
|
|
#Ed Moss
|
|
# Added so that it wouldn't print the last character of the string if it got close
|
|
#FIXME 2006-07-18 Level=0 - but it still puts out an extra new line
|
|
i += 1
|
|
#
|
|
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];
|
|
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=0,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']=@images.length+1
|
|
@images[file]=info
|
|
else
|
|
info=@images[file]
|
|
end
|
|
#Ed Moss
|
|
if(w==0 && h==0)
|
|
#Put image at 72 dpi
|
|
w=info['w']/@k;
|
|
h=info['h']/@k;
|
|
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]=@buffer.length
|
|
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
|
|
|
|
if self.class.const_defined? 'FPDF_FONTPATH' then
|
|
if FPDF_FONTPATH[-1,1] == '/' then
|
|
file = FPDF_FONTPATH + file
|
|
else
|
|
file = FPDF_FONTPATH + '/' + file
|
|
end
|
|
end
|
|
|
|
size = File.size(file)
|
|
unless File.exists?(file)
|
|
Error('Font file not found')
|
|
end
|
|
|
|
out('<</Length ' + size.to_s)
|
|
|
|
if file[-2, 2] == '.z' then
|
|
out('/Filter /FlateDecode')
|
|
end
|
|
out('/Length1 ' + info['length1'])
|
|
out('/Length2 ' + info['length2'] + ' /Length3 0') if info['length2']
|
|
out('>>')
|
|
open(file, 'rb') do |f|
|
|
putstream(f.read())
|
|
end
|
|
out('endobj')
|
|
end
|
|
|
|
file = 0
|
|
@fonts.each do |k, font|
|
|
# Font objects
|
|
@fonts[k]['n']=@n+1
|
|
type=font['type']
|
|
name=font['name']
|
|
if type=='core'
|
|
# Standard font
|
|
newobj
|
|
out('<</Type /Font')
|
|
out('/BaseFont /'+name)
|
|
out('/Subtype /Type1')
|
|
if name!='Symbol' and name!='ZapfDingbats'
|
|
out('/Encoding /WinAnsiEncoding')
|
|
end
|
|
out('>>')
|
|
out('endobj')
|
|
elsif type=='Type1' or type=='TrueType'
|
|
# Additional Type1 or TrueType font
|
|
newobj
|
|
out('<</Type /Font')
|
|
out('/BaseFont /'+name)
|
|
out('/Subtype /'+type)
|
|
out('/FirstChar 32 /LastChar 255')
|
|
out('/Widths '+(@n+1).to_s+' 0 R')
|
|
out('/FontDescriptor '+(@n+2).to_s+' 0 R')
|
|
if font['enc'] and font['enc'] != ''
|
|
unless font['diff'].nil?
|
|
out('/Encoding '+(nf+font['diff']).to_s+' 0 R')
|
|
else
|
|
out('/Encoding /WinAnsiEncoding')
|
|
end
|
|
end
|
|
out('>>')
|
|
out('endobj')
|
|
# Widths
|
|
newobj
|
|
cw=font['cw']
|
|
s='['
|
|
32.upto(255) do |i|
|
|
s << cw[i].to_s+' '
|
|
end
|
|
out(s+']')
|
|
out('endobj')
|
|
# Descriptor
|
|
newobj
|
|
s='<</Type /FontDescriptor /FontName /'+name
|
|
font['desc'].each do |k, v|
|
|
s << ' /'+k+' '+v
|
|
end
|
|
file=font['file']
|
|
if file
|
|
s << ' /FontFile'+(type=='Type1' ? '' : '2')+' '+
|
|
@FontFiles[file]['n'].to_s+' 0 R'
|
|
end
|
|
out(s+'>>')
|
|
out('endobj')
|
|
else
|
|
# Allow for additional types
|
|
mtd='put'+type.downcase
|
|
unless self.respond_to?(mtd)
|
|
self.Error('Unsupported font type: '+type)
|
|
end
|
|
self.send(mtd, font)
|
|
end
|
|
end
|
|
end
|
|
|
|
def putimages
|
|
filter=(@compress) ? '/Filter /FlateDecode ' : ''
|
|
@images.each do |file, info|
|
|
newobj
|
|
@images[file]['n']=@n
|
|
out('<</Type /XObject')
|
|
out('/Subtype /Image')
|
|
out('/Width '+info['w'].to_s)
|
|
out('/Height '+info['h'].to_s)
|
|
if info['cs']=='Indexed'
|
|
out("/ColorSpace [/Indexed /DeviceRGB #{info['pal'].length/3-1} #{(@n+1)} 0 R]")
|
|
else
|
|
out('/ColorSpace /'+info['cs'])
|
|
if info['cs']=='DeviceCMYK'
|
|
out('/Decode [1 0 1 0 1 0 1 0]')
|
|
end
|
|
end
|
|
out('/BitsPerComponent '+info['bpc'].to_s)
|
|
out('/Filter /'+info['f']) if info['f']
|
|
unless info['parms'].nil?
|
|
out(info['parms'])
|
|
end
|
|
if info['trns'] and info['trns'].kind_of?(Array)
|
|
trns=''
|
|
info['trns'].length.times do |i|
|
|
trns=trns+info['trns'][i].to_s+' '+info['trns'][i].to_s+' '
|
|
end
|
|
out('/Mask ['+trns+']')
|
|
end
|
|
out('/Length '+info['data'].length.to_s+'>>')
|
|
putstream(info['data'])
|
|
@images[file]['data']=nil
|
|
out('endobj')
|
|
# Palette
|
|
if info['cs']=='Indexed'
|
|
newobj
|
|
pal=(@compress) ? Zlib::Deflate.deflate(info['pal']) : info['pal']
|
|
out('<<'+filter+'/Length '+pal.length.to_s+'>>')
|
|
putstream(pal)
|
|
out('endobj')
|
|
end
|
|
end
|
|
end
|
|
|
|
def putxobjectdict
|
|
@images.each_value do |image|
|
|
out('/I'+image['i'].to_s+' '+image['n'].to_s+' 0 R')
|
|
end
|
|
end
|
|
|
|
def putresourcedict
|
|
out('/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]')
|
|
out('/Font <<')
|
|
@fonts.each_value do |font|
|
|
out('/F'+font['i'].to_s+' '+font['n'].to_s+' 0 R')
|
|
end
|
|
out('>>')
|
|
out('/XObject <<')
|
|
putxobjectdict
|
|
out('>>')
|
|
end
|
|
|
|
def putresources
|
|
putfonts
|
|
putimages
|
|
# Resource dictionary
|
|
@offsets[2]=@buffer.length
|
|
out('2 0 obj')
|
|
out('<<')
|
|
putresourcedict
|
|
out('>>')
|
|
out('endobj')
|
|
end
|
|
|
|
def putinfo
|
|
out('/Producer '+textstring('Ruby FPDF '+FPDF_VERSION));
|
|
unless @title.nil?
|
|
out('/Title '+textstring(@title))
|
|
end
|
|
unless @subject.nil?
|
|
out('/Subject '+textstring(@subject))
|
|
end
|
|
unless @author.nil?
|
|
out('/Author '+textstring(@author))
|
|
end
|
|
unless @keywords.nil?
|
|
out('/Keywords '+textstring(@keywords))
|
|
end
|
|
unless @creator.nil?
|
|
out('/Creator '+textstring(@creator))
|
|
end
|
|
out('/CreationDate '+textstring('D: '+DateTime.now.to_s))
|
|
end
|
|
|
|
def putcatalog
|
|
out('/Type /Catalog')
|
|
out('/Pages 1 0 R')
|
|
if @ZoomMode=='fullpage'
|
|
out('/OpenAction [3 0 R /Fit]')
|
|
elsif @ZoomMode=='fullwidth'
|
|
out('/OpenAction [3 0 R /FitH null]')
|
|
elsif @ZoomMode=='real'
|
|
out('/OpenAction [3 0 R /XYZ null null 1]')
|
|
elsif not @ZoomMode.kind_of?(String)
|
|
out('/OpenAction [3 0 R /XYZ null null '+(@ZoomMode/100)+']')
|
|
end
|
|
|
|
if @LayoutMode=='single'
|
|
out('/PageLayout /SinglePage')
|
|
elsif @LayoutMode=='continuous'
|
|
out('/PageLayout /OneColumn')
|
|
elsif @LayoutMode=='two'
|
|
out('/PageLayout /TwoColumnLeft')
|
|
end
|
|
end
|
|
|
|
def putheader
|
|
out('%PDF-'+@PDFVersion)
|
|
end
|
|
|
|
def puttrailer
|
|
out('/Size '+(@n+1).to_s)
|
|
out('/Root '+@n.to_s+' 0 R')
|
|
out('/Info '+(@n-1).to_s+' 0 R')
|
|
end
|
|
|
|
def enddoc
|
|
putheader
|
|
putpages
|
|
putresources
|
|
# Info
|
|
newobj
|
|
out('<<')
|
|
putinfo
|
|
out('>>')
|
|
out('endobj')
|
|
# Catalog
|
|
newobj
|
|
out('<<')
|
|
putcatalog
|
|
out('>>')
|
|
out('endobj')
|
|
# Cross-ref
|
|
o=@buffer.length
|
|
out('xref')
|
|
out('0 '+(@n+1).to_s)
|
|
out('0000000000 65535 f ')
|
|
1.upto(@n) do |i|
|
|
out(sprintf('%010d 00000 n ',@offsets[i]))
|
|
end
|
|
# Trailer
|
|
out('trailer')
|
|
out('<<')
|
|
puttrailer
|
|
out('>>')
|
|
out('startxref')
|
|
out(o)
|
|
out('%%EOF')
|
|
state=3
|
|
end
|
|
|
|
def beginpage(orientation)
|
|
@page=@page+1
|
|
@pages[@page]=''
|
|
@state=2
|
|
@x=@lMargin
|
|
@y=@tMargin
|
|
@lasth=0
|
|
@FontFamily=''
|
|
# Page orientation
|
|
if orientation==''
|
|
orientation=@DefOrientation
|
|
else
|
|
orientation=orientation[0].chr.upcase
|
|
if orientation!=@DefOrientation
|
|
@OrientationChanges[@page]=true
|
|
end
|
|
end
|
|
if orientation!=@CurOrientation
|
|
# Change orientation
|
|
if orientation=='P'
|
|
@wPt=@fwPt
|
|
@hPt=@fhPt
|
|
@w=@fw
|
|
@h=@fh
|
|
else
|
|
@wPt=@fhPt
|
|
@hPt=@fwPt
|
|
@w=@fh
|
|
@h=@fw
|
|
end
|
|
@PageBreakTrigger=@h-@bMargin
|
|
@CurOrientation=orientation
|
|
end
|
|
end
|
|
|
|
def endpage
|
|
# End of page contents
|
|
@state=1
|
|
end
|
|
|
|
def newobj
|
|
# Begin a new object
|
|
@n=@n+1
|
|
@offsets[@n]=@buffer.length
|
|
out(@n.to_s+' 0 obj')
|
|
end
|
|
|
|
def dounderline(x,y,txt)
|
|
# Underline text
|
|
up=@CurrentFont['up']
|
|
ut=@CurrentFont['ut']
|
|
w=GetStringWidth(txt)+@ws*txt.count(' ')
|
|
sprintf('%.2f %.2f %.2f %.2f re f',
|
|
x*@k,(@h-(y-up/1000.0*@FontSize))*@k,w*@k,-ut/1000.0*@FontSizePt)
|
|
end
|
|
|
|
def parsejpg(file)
|
|
# Extract info from a JPEG file
|
|
a=extractjpginfo(file)
|
|
raise "Missing or incorrect JPEG file: #{file}" if a.nil?
|
|
|
|
if a['channels'].nil? || a['channels']==3 then
|
|
colspace='DeviceRGB'
|
|
elsif a['channels']==4 then
|
|
colspace='DeviceCMYK'
|
|
else
|
|
colspace='DeviceGray'
|
|
end
|
|
bpc= a['bits'] ? a['bits'].to_i : 8
|
|
|
|
# Read whole file
|
|
data = nil
|
|
open(file, 'rb') do |f|
|
|
data = f.read
|
|
end
|
|
return {'w'=>a['width'],'h'=>a['height'],'cs'=>colspace,'bpc'=>bpc,'f'=>'DCTDecode','data'=>data}
|
|
end
|
|
|
|
def parsepng(file)
|
|
# Extract info from a PNG file
|
|
f=open(file,'rb')
|
|
# Check signature
|
|
unless f.read(8)==137.chr+'PNG'+13.chr+10.chr+26.chr+10.chr
|
|
self.Error('Not a PNG file: '+file)
|
|
end
|
|
# Read header chunk
|
|
f.read(4)
|
|
if f.read(4)!='IHDR'
|
|
self.Error('Incorrect PNG file: '+file)
|
|
end
|
|
w=freadint(f)
|
|
h=freadint(f)
|
|
bpc=f.read(1)[0]
|
|
if bpc>8
|
|
self.Error('16-bit depth not supported: '+file)
|
|
end
|
|
ct=f.read(1)[0]
|
|
if ct==0
|
|
colspace='DeviceGray'
|
|
elsif ct==2
|
|
colspace='DeviceRGB'
|
|
elsif ct==3
|
|
colspace='Indexed'
|
|
else
|
|
self.Error('Alpha channel not supported: '+file)
|
|
end
|
|
if f.read(1)[0]!=0
|
|
self.Error('Unknown compression method: '+file)
|
|
end
|
|
if f.read(1)[0]!=0
|
|
self.Error('Unknown filter method: '+file)
|
|
end
|
|
if f.read(1)[0]!=0
|
|
self.Error('Interlacing not supported: '+file)
|
|
end
|
|
f.read(4)
|
|
parms='/DecodeParms <</Predictor 15 /Colors '+(ct==2 ? '3' : '1')+
|
|
' /BitsPerComponent '+bpc.to_s+' /Columns '+w.to_s+'>>'
|
|
# Scan chunks looking for palette, transparency and image data
|
|
pal=''
|
|
trns=''
|
|
data=''
|
|
begin
|
|
n=freadint(f)
|
|
type=f.read(4)
|
|
if type=='PLTE'
|
|
# Read palette
|
|
pal=f.read(n)
|
|
f.read(4)
|
|
elsif type=='tRNS'
|
|
# Read transparency info
|
|
t=f.read(n)
|
|
if ct==0
|
|
trns=[t[1]]
|
|
elsif ct==2
|
|
trns=[t[1],t[3],t[5]]
|
|
else
|
|
pos=t.index(0)
|
|
trns=[pos] unless pos.nil?
|
|
end
|
|
f.read(4)
|
|
elsif type=='IDAT'
|
|
# Read image data block
|
|
data << f.read(n)
|
|
f.read(4)
|
|
elsif type=='IEND'
|
|
break
|
|
else
|
|
f.read(n+4)
|
|
end
|
|
end while n
|
|
if colspace=='Indexed' and pal==''
|
|
self.Error('Missing palette in '+file)
|
|
end
|
|
f.close
|
|
{'w'=>w,'h'=>h,'cs'=>colspace,'bpc'=>bpc,'f'=>'FlateDecode',
|
|
'parms'=>parms,'pal'=>pal,'trns'=>trns,'data'=>data}
|
|
end
|
|
|
|
def freadint(f)
|
|
# Read a 4-byte integer from file
|
|
a = f.read(4).unpack('N')
|
|
return a[0]
|
|
end
|
|
|
|
def freadshort(f)
|
|
a = f.read(2).unpack('n')
|
|
return a[0]
|
|
end
|
|
|
|
def freadbyte(f)
|
|
a = f.read(1).unpack('C')
|
|
return a[0]
|
|
end
|
|
|
|
def textstring(s)
|
|
# Format a text string
|
|
'('+escape(s)+')'
|
|
end
|
|
|
|
def escape(s)
|
|
# Add \ before \, ( and )
|
|
s.gsub('\\','\\\\').gsub('(','\\(').gsub(')','\\)')
|
|
end
|
|
|
|
def putstream(s)
|
|
out('stream')
|
|
out(s)
|
|
out('endstream')
|
|
end
|
|
|
|
def out(s)
|
|
# Add a line to the document
|
|
if @state==2
|
|
@pages[@page]=@pages[@page]+s+"\n"
|
|
else
|
|
@buffer=@buffer+s.to_s+"\n"
|
|
end
|
|
end
|
|
|
|
# jpeg marker codes
|
|
|
|
M_SOF0 = 0xc0
|
|
M_SOF1 = 0xc1
|
|
M_SOF2 = 0xc2
|
|
M_SOF3 = 0xc3
|
|
|
|
M_SOF5 = 0xc5
|
|
M_SOF6 = 0xc6
|
|
M_SOF7 = 0xc7
|
|
|
|
M_SOF9 = 0xc9
|
|
M_SOF10 = 0xca
|
|
M_SOF11 = 0xcb
|
|
|
|
M_SOF13 = 0xcd
|
|
M_SOF14 = 0xce
|
|
M_SOF15 = 0xcf
|
|
|
|
M_SOI = 0xd8
|
|
M_EOI = 0xd9
|
|
M_SOS = 0xda
|
|
|
|
def extractjpginfo(file)
|
|
result = nil
|
|
|
|
open(file, "rb") do |f|
|
|
marker = jpegnextmarker(f)
|
|
|
|
if marker != M_SOI
|
|
return nil
|
|
end
|
|
|
|
while true
|
|
marker = jpegnextmarker(f)
|
|
|
|
case marker
|
|
when M_SOF0, M_SOF1, M_SOF2, M_SOF3,
|
|
M_SOF5, M_SOF6, M_SOF7, M_SOF9,
|
|
M_SOF10, M_SOF11, M_SOF13, M_SOF14,
|
|
M_SOF15 then
|
|
|
|
length = freadshort(f)
|
|
|
|
if result.nil?
|
|
result = {}
|
|
|
|
result['bits'] = freadbyte(f)
|
|
result['height'] = freadshort(f)
|
|
result['width'] = freadshort(f)
|
|
result['channels'] = freadbyte(f)
|
|
|
|
f.seek(length - 8, IO::SEEK_CUR)
|
|
else
|
|
f.seek(length - 2, IO::SEEK_CUR)
|
|
end
|
|
when M_SOS, M_EOI then
|
|
return result
|
|
else
|
|
length = freadshort(f)
|
|
f.seek(length - 2, IO::SEEK_CUR)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def jpegnextmarker(f)
|
|
while true
|
|
# look for 0xff
|
|
while (c = freadbyte(f)) != 0xff
|
|
end
|
|
|
|
c = freadbyte(f)
|
|
|
|
if c != 0
|
|
return c
|
|
end
|
|
end
|
|
end
|
|
end
|