Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/lcms2/utils/samples/mkcmy.c @ 46:7ee69f120f19 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2
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1 //
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2 // Little cms
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3 // Copyright (C) 1998-2003 Marti Maria
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4 //
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5 // Permission is hereby granted, free of charge, to any person obtaining
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6 // a copy of this software and associated documentation files (the "Software"),
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7 // to deal in the Software without restriction, including without limitation
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8 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
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9 // and/or sell copies of the Software, and to permit persons to whom the Software
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10 // is furnished to do so, subject to the following conditions:
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11 //
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12 // The above copyright notice and this permission notice shall be included in
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13 // all copies or substantial portions of the Software.
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14 //
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15 // THIS SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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16 // EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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17 // WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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18 //
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19 // IN NO EVENT SHALL MARTI MARIA BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
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20 // INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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21 // OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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22 // WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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23 // LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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24 // OF THIS SOFTWARE.
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25 //
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26 // Version 1.12
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29 #include "lcms.h"
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32 typedef struct {
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33 cmsHPROFILE hLab;
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34 cmsHPROFILE hRGB;
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35 cmsHTRANSFORM Lab2RGB;
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36 cmsHTRANSFORM RGB2Lab;
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38 } CARGO, FAR* LPCARGO;
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44 // Our space will be CIE primaries plus a gamma of 4.5
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46 static
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47 int Forward(register WORD In[], register WORD Out[], register LPVOID Cargo)
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48 {
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49 LPCARGO C = (LPCARGO) Cargo;
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50 WORD RGB[3];
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51 cmsCIELab Lab;
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53 cmsLabEncoded2Float(&Lab, In);
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55 printf("%g %g %g\n", Lab.L, Lab.a, Lab.b);
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57 cmsDoTransform(C ->Lab2RGB, In, &RGB, 1);
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60 Out[0] = 0xFFFF - RGB[0]; // Our CMY is negative of RGB
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61 Out[1] = 0xFFFF - RGB[1];
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62 Out[2] = 0xFFFF - RGB[2];
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65 return TRUE;
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67 }
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70 static
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71 int Reverse(register WORD In[], register WORD Out[], register LPVOID Cargo)
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72 {
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74 LPCARGO C = (LPCARGO) Cargo;
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75 WORD RGB[3];
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77 RGB[0] = 0xFFFF - In[0];
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78 RGB[1] = 0xFFFF - In[1];
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79 RGB[2] = 0xFFFF - In[2];
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81 cmsDoTransform(C ->RGB2Lab, &RGB, Out, 1);
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83 return TRUE;
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85 }
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89 static
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90 void InitCargo(LPCARGO Cargo)
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91 {
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94 Cargo -> hLab = cmsCreateLabProfile(NULL);
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95 Cargo -> hRGB = cmsCreate_sRGBProfile();
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97 Cargo->Lab2RGB = cmsCreateTransform(Cargo->hLab, TYPE_Lab_16,
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98 Cargo ->hRGB, TYPE_RGB_16,
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99 INTENT_RELATIVE_COLORIMETRIC,
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100 cmsFLAGS_NOTPRECALC);
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101
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
102 Cargo->RGB2Lab = cmsCreateTransform(Cargo ->hRGB, TYPE_RGB_16,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
103 Cargo ->hLab, TYPE_Lab_16,
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
104 INTENT_RELATIVE_COLORIMETRIC,
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
105 cmsFLAGS_NOTPRECALC);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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106 }
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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107
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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108
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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109
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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110
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
111 static
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
112 void FreeCargo(LPCARGO Cargo)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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113 {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
114 cmsDeleteTransform(Cargo ->Lab2RGB);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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115 cmsDeleteTransform(Cargo ->RGB2Lab);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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116 cmsCloseProfile(Cargo ->hLab);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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117 cmsCloseProfile(Cargo ->hRGB);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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118 }
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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119
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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120
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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121
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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122
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
123 int main(void)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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124 {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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125 LPLUT AToB0, BToA0;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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126 CARGO Cargo;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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127 cmsHPROFILE hProfile;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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128
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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129 fprintf(stderr, "Creating lcmscmy.icm...");
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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130
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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131 InitCargo(&Cargo);
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parents:
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132
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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133 hProfile = cmsCreateLabProfile(NULL);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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134
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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135
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
136 AToB0 = cmsAllocLUT();
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
137 BToA0 = cmsAllocLUT();
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
138
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
139 cmsAlloc3DGrid(AToB0, 25, 3, 3);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
140 cmsAlloc3DGrid(BToA0, 25, 3, 3);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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141
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
142
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
143 cmsSample3DGrid(AToB0, Reverse, &Cargo, 0);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
144 cmsSample3DGrid(BToA0, Forward, &Cargo, 0);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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145
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
146
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
147 cmsAddTag(hProfile, icSigAToB0Tag, AToB0);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
148 cmsAddTag(hProfile, icSigBToA0Tag, BToA0);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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149
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
150 cmsSetColorSpace(hProfile, icSigCmyData);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
151 cmsSetDeviceClass(hProfile, icSigOutputClass);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
152
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
153 cmsAddTag(hProfile, icSigProfileDescriptionTag, "CMY ");
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
154 cmsAddTag(hProfile, icSigCopyrightTag, "Copyright (c) HP, 2007. All rights reserved.");
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
155 cmsAddTag(hProfile, icSigDeviceMfgDescTag, "Little cms");
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
156 cmsAddTag(hProfile, icSigDeviceModelDescTag, "CMY space");
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
157
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
158 _cmsSaveProfile(hProfile, "lcmscmy.icm");
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
159
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
160
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
161 cmsFreeLUT(AToB0);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
162 cmsFreeLUT(BToA0);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
163 cmsCloseProfile(hProfile);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
164 FreeCargo(&Cargo);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
165 fprintf(stderr, "Done.\n");
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
166
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
167
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
168
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
169 return 0;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
170 }