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comparison mupdf-source/thirdparty/lcms2/utils/psicc/psicc.c @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 //---------------------------------------------------------------------------------
2 //
3 // Little Color Management System
4 // Copyright (c) 1998-2023 Marti Maria Saguer
5 //
6 // Permission is hereby granted, free of charge, to any person obtaining
7 // a copy of this software and associated documentation files (the "Software"),
8 // to deal in the Software without restriction, including without limitation
9 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 // and/or sell copies of the Software, and to permit persons to whom the Software
11 // is furnished to do so, subject to the following conditions:
12 //
13 // The above copyright notice and this permission notice shall be included in
14 // all copies or substantial portions of the Software.
15 //
16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
18 // THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 //
24 //---------------------------------------------------------------------------------
25
26 #include "utils.h"
27
28 // ------------------------------------------------------------------------
29
30 static char *cInProf = NULL;
31 static char *cOutProf = NULL;
32 static int Intent = INTENT_PERCEPTUAL;
33 static FILE* OutFile;
34 static int BlackPointCompensation = FALSE;
35 static int Undecorated = FALSE;
36 static int PrecalcMode = 1;
37 static int NumOfGridPoints = 0;
38
39
40
41 static
42 void Help(void)
43 {
44 fprintf(stderr, "usage: psicc [flags] [<Output file>]\n\n");
45
46 fprintf(stderr, "flags:\n\n");
47
48 fprintf(stderr, "-i<profile> - Input profile: Generates Color Space Array (CSA)\n");
49 fprintf(stderr, "-o<profile> - Output profile: Generates Color Rendering Dictionary(CRD)\n");
50
51 fprintf(stderr, "-t<0,1,2,3> - Intent (0=Perceptual, 1=Colorimetric, 2=Saturation, 3=Absolute)\n");
52
53 fprintf(stderr, "-b - Black point compensation (CRD only)\n");
54 fprintf(stderr, "-u - Do NOT generate resource name on CRD\n");
55 fprintf(stderr, "-c<0,1,2> - Precision (0=LowRes, 1=Normal (default), 2=Hi-res) (CRD only)\n");
56 fprintf(stderr, "-n<gridpoints> - Alternate way to set precision, number of CLUT points (CRD only)\n");
57
58 fprintf(stderr, "\n");
59 fprintf(stderr, "If no output file is specified, output goes to stdout.\n\n");
60 fprintf(stderr, "This program is intended to be a demo of the little cms\n"
61 "engine. Both lcms and this program are freeware. You can\n"
62 "obtain both in source code at https://www.littlecms.com\n"
63 "For suggestions, comments, bug reports etc. send mail to\n"
64 "info@littlecms.com\n\n");
65
66 exit(0);
67 }
68
69 // The toggles stuff
70
71 static
72 void HandleSwitches(int argc, char *argv[])
73 {
74 int s;
75
76 while ((s = xgetopt(argc,argv,"uUbBI:i:O:o:T:t:c:C:n:N:-:")) != EOF) {
77
78 switch (s)
79 {
80
81 case '-':
82 if (strcmp(xoptarg, "help") == 0)
83 {
84 Help();
85 }
86 else
87 {
88 FatalError("Unknown option - run without args to see valid ones.\n");
89 }
90 break;
91
92 case 'i':
93 case 'I':
94 cInProf = xoptarg;
95 break;
96
97 case 'o':
98 case 'O':
99 cOutProf = xoptarg;
100 break;
101
102 case 'b':
103 case 'B': BlackPointCompensation =TRUE;
104 break;
105
106
107 case 't':
108 case 'T':
109 Intent = atoi(xoptarg);
110 if (Intent > 3) Intent = 3;
111 if (Intent < 0) Intent = 0;
112 break;
113
114 case 'U':
115 case 'u':
116 Undecorated = TRUE;
117 break;
118
119 case 'c':
120 case 'C':
121 PrecalcMode = atoi(xoptarg);
122 if (PrecalcMode < 0 || PrecalcMode > 2)
123 FatalError("ERROR: Unknown precalc mode '%d'", PrecalcMode);
124 break;
125
126
127 case 'n':
128 case 'N':
129 if (PrecalcMode != 1)
130 FatalError("Precalc mode already specified");
131 NumOfGridPoints = atoi(xoptarg);
132 break;
133
134
135 default:
136
137 FatalError("Unknown option - run without args to see valid ones.\n");
138 }
139 }
140 }
141
142
143
144
145 static
146 void GenerateCSA(cmsContext ContextID)
147 {
148 cmsHPROFILE hProfile = OpenStockProfile(ContextID, cInProf);
149 size_t n;
150 char* Buffer;
151
152 if (hProfile == NULL) return;
153
154 n = cmsGetPostScriptCSA(ContextID, hProfile, Intent, 0, NULL, 0);
155 if (n == 0) return;
156
157 Buffer = (char*) malloc(n + 1);
158 if (Buffer != NULL) {
159
160 cmsGetPostScriptCSA(ContextID, hProfile, Intent, 0, Buffer, (cmsUInt32Number) n);
161 Buffer[n] = 0;
162
163 fprintf(OutFile, "%s", Buffer);
164
165 free(Buffer);
166 }
167
168 cmsCloseProfile(ContextID, hProfile);
169 }
170
171
172 static
173 void GenerateCRD(cmsContext ContextID)
174 {
175 cmsHPROFILE hProfile = OpenStockProfile(ContextID, cOutProf);
176 size_t n;
177 char* Buffer;
178 cmsUInt32Number dwFlags = 0;
179
180 if (hProfile == NULL) return;
181
182 if (BlackPointCompensation) dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
183 if (Undecorated) dwFlags |= cmsFLAGS_NODEFAULTRESOURCEDEF;
184
185 switch (PrecalcMode) {
186
187 case 0: dwFlags |= cmsFLAGS_LOWRESPRECALC; break;
188 case 2: dwFlags |= cmsFLAGS_HIGHRESPRECALC; break;
189 case 1:
190 if (NumOfGridPoints > 0)
191 dwFlags |= cmsFLAGS_GRIDPOINTS(NumOfGridPoints);
192 break;
193
194 default: FatalError("ERROR: Unknown precalculation mode '%d'", PrecalcMode);
195 }
196
197 n = cmsGetPostScriptCRD(ContextID, hProfile, Intent, dwFlags, NULL, 0);
198 if (n == 0) return;
199
200 Buffer = (char*) malloc(n + 1);
201 if (Buffer == NULL) return;
202 cmsGetPostScriptCRD(ContextID, hProfile, Intent, dwFlags, Buffer, (cmsUInt32Number) n);
203 Buffer[n] = 0;
204
205 fprintf(OutFile, "%s", Buffer);
206 free(Buffer);
207 cmsCloseProfile(ContextID, hProfile);
208 }
209
210
211 int main(int argc, char *argv[])
212 {
213 int nargs;
214 cmsContext ContextID = NULL;
215
216 fprintf(stderr, "Little CMS ICC PostScript generator - v2.1 [LittleCMS %2.2f]\n", cmsGetEncodedCMMversion() / 1000.0);
217 fprintf(stderr, "Copyright (c) 1998-2023 Marti Maria Saguer. See COPYING file for details.\n");
218 fflush(stderr);
219
220 // Initialize
221 InitUtils(NULL, "psicc");
222
223 HandleSwitches(argc, argv);
224
225 nargs = (argc - xoptind);
226 if (nargs != 0 && nargs != 1)
227 Help();
228
229 if (cInProf == NULL && cOutProf == NULL)
230 Help();
231
232 if (nargs == 0)
233 OutFile = stdout;
234 else
235 OutFile = fopen(argv[xoptind], "wt");
236
237 if (cInProf != NULL)
238 GenerateCSA(ContextID);
239
240 if (cOutProf != NULL)
241 GenerateCRD(ContextID);
242
243 if (nargs == 1) {
244 fclose(OutFile);
245 }
246
247 return 0;
248 }