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Implement initial CalGray support

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Gamma and Whitepoint are supported in this patch for CalGray.
Blackpoint is not supported.
This commit is contained in:
Kalervo Kujala 2013-04-25 22:26:42 +03:00
parent b9bceb4c4b
commit a5bf02573d
3 changed files with 675 additions and 2 deletions
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553
test/pdfs/calgray.pdf Normal file
View file

@ -0,0 +1,553 @@
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<< %
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10 0 obj % Colorspace definition %
[ /CalGray %
<< /WhitePoint [ 1.00000 1.0 1.00000 ] %
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(WhitePoint [ 1.0 1.0 1.0 ]) Tj %
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(BlackPoint [ 0.0 0.0 0.0 ]) Tj %
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<< %
/ColorSpace << /Cs14 14 0 R >> %
/Font << /F1 6 0 R >> %
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14 0 obj % Colorspace definition %
[ /CalGray %
<< /WhitePoint [ 1.00000 1.0 1.00000 ] %
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/Cs14 cs %
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f %
/Cs14 cs %
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f %
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f %
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f %
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f %
/Cs14 cs %
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f %
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f %
/Cs14 cs %
0.75 sc %
25 825 200 200 re%
f %
/Cs14 cs %
0.8 sc %
225 825 200 200 re%
f %
/Cs14 cs %
0.9 sc %
425 825 200 200 re%
f %
/Cs14 cs %
1.0 sc %
625 825 200 200 re%
f %
BT %
/F1 16 Tf %
50 50 Td %
(A = 0.00) Tj %
200 0 Td %
(A = 0.01) Tj %
200 0 Td %
(A = 0.05) Tj %
200 0 Td %
(A = 0.10) Tj %
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(A = 0.15) Tj %
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(A = 0.20) Tj %
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(A = 0.35) Tj %
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(A = 0.40) Tj %
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(A = 0.45) Tj %
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(A = 0.50) Tj %
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(A = 0.55) Tj %
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(A = 0.75) Tj %
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(WhitePoint [ 1.0 1.0 1.0 ]) Tj %
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(BlackPoint [ 0.7 0.7 0.7 ]) Tj %
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(Gamma 1.0) Tj %
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xref
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trailer
<<
/Size 16
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>>
startxref
14700
%%EOF

6
test/test_manifest.json
View file

@ -1363,6 +1363,12 @@
"lastPage": 1,
"type": "eq"
},
{ "id": "calgray",
"file": "pdfs/calgray.pdf",
"md5": "ee784999bfa1ed373f55cdabbb580df1",
"rounds": 1,
"type": "eq"
},
{ "id": "issue2853",
"file": "pdfs/issue2853.pdf",
"md5": "9f0ad95ef0b243ee8813c4eca0f7a042",