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

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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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/lcms2/utils/psicc/psicc.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,248 @@
+//---------------------------------------------------------------------------------
+//
+//  Little Color Management System
+//  Copyright (c) 1998-2023 Marti Maria Saguer
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the Software
+// is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
+// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+//---------------------------------------------------------------------------------
+
+#include "utils.h"
+
+// ------------------------------------------------------------------------
+
+static char *cInProf = NULL;
+static char *cOutProf = NULL;
+static int Intent = INTENT_PERCEPTUAL;
+static FILE* OutFile;
+static int BlackPointCompensation = FALSE;
+static int Undecorated = FALSE;
+static int PrecalcMode = 1;
+static int NumOfGridPoints = 0;
+
+
+
+static
+void Help(void)
+{
+    fprintf(stderr, "usage: psicc [flags] [<Output file>]\n\n");
+
+    fprintf(stderr, "flags:\n\n");
+
+    fprintf(stderr, "-i<profile> - Input profile: Generates Color Space Array (CSA)\n");
+    fprintf(stderr, "-o<profile> - Output profile: Generates Color Rendering Dictionary(CRD)\n");
+
+    fprintf(stderr, "-t<0,1,2,3> - Intent (0=Perceptual, 1=Colorimetric, 2=Saturation, 3=Absolute)\n");
+
+    fprintf(stderr, "-b - Black point compensation (CRD only)\n");
+    fprintf(stderr, "-u - Do NOT generate resource name on CRD\n");
+    fprintf(stderr, "-c<0,1,2> - Precision (0=LowRes, 1=Normal (default), 2=Hi-res) (CRD only)\n");
+    fprintf(stderr, "-n<gridpoints> - Alternate way to set precision, number of CLUT points (CRD only)\n");
+
+    fprintf(stderr, "\n");
+    fprintf(stderr, "If no output file is specified, output goes to stdout.\n\n");
+    fprintf(stderr, "This program is intended to be a demo of the little cms\n"
+        "engine. Both lcms and this program are freeware. You can\n"
+        "obtain both in source code at https://www.littlecms.com\n"
+        "For suggestions, comments, bug reports etc. send mail to\n"
+        "info@littlecms.com\n\n");
+
+    exit(0);
+}
+
+// The toggles stuff
+
+static
+void HandleSwitches(int argc, char *argv[])
+{
+       int s;
+
+       while ((s = xgetopt(argc,argv,"uUbBI:i:O:o:T:t:c:C:n:N:-:")) != EOF) {
+
+       switch (s)
+       {
+
+       case '-':
+           if (strcmp(xoptarg, "help") == 0)
+           {
+               Help();
+           }
+           else
+           {
+               FatalError("Unknown option - run without args to see valid ones.\n");
+           }
+           break;
+
+       case 'i':
+       case 'I':
+            cInProf = xoptarg;
+            break;
+
+       case 'o':
+       case 'O':
+           cOutProf = xoptarg;
+            break;
+
+       case 'b':
+       case 'B': BlackPointCompensation =TRUE;
+            break;
+
+
+       case 't':
+       case 'T':
+            Intent = atoi(xoptarg);
+            if (Intent > 3) Intent = 3;
+            if (Intent < 0) Intent = 0;
+            break;
+
+       case 'U':
+       case 'u':
+            Undecorated = TRUE;
+            break;
+
+       case 'c':
+       case 'C':
+            PrecalcMode = atoi(xoptarg);
+            if (PrecalcMode < 0 || PrecalcMode > 2)
+                    FatalError("ERROR: Unknown precalc mode '%d'", PrecalcMode);
+            break;
+
+
+       case 'n':
+       case 'N':
+                if (PrecalcMode != 1)
+                    FatalError("Precalc mode already specified");
+                NumOfGridPoints = atoi(xoptarg);
+                break;
+
+
+  default:
+
+       FatalError("Unknown option - run without args to see valid ones.\n");
+    }
+    }
+}
+
+
+
+
+static
+void GenerateCSA(cmsContext ContextID)
+{
+	cmsHPROFILE hProfile = OpenStockProfile(ContextID, cInProf);
+	size_t n;
+	char* Buffer;
+
+	if (hProfile == NULL) return;
+
+	n = cmsGetPostScriptCSA(ContextID, hProfile, Intent, 0, NULL, 0);
+	if (n == 0) return;
+
+    Buffer = (char*) malloc(n + 1);
+    if (Buffer != NULL) {
+
+        cmsGetPostScriptCSA(ContextID, hProfile, Intent, 0, Buffer, (cmsUInt32Number) n);
+        Buffer[n] = 0;
+
+        fprintf(OutFile, "%s", Buffer);
+
+        free(Buffer);
+    }
+
+	cmsCloseProfile(ContextID, hProfile);
+}
+
+
+static
+void GenerateCRD(cmsContext ContextID)
+{
+	cmsHPROFILE hProfile = OpenStockProfile(ContextID, cOutProf);
+	size_t n;
+	char* Buffer;
+    cmsUInt32Number dwFlags = 0;
+
+	if (hProfile == NULL) return;
+
+    if (BlackPointCompensation) dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
+    if (Undecorated)            dwFlags |= cmsFLAGS_NODEFAULTRESOURCEDEF;
+
+    switch (PrecalcMode) {
+
+	    case 0: dwFlags |= cmsFLAGS_LOWRESPRECALC; break;
+		case 2: dwFlags |= cmsFLAGS_HIGHRESPRECALC; break;
+		case 1:
+            if (NumOfGridPoints > 0)
+                dwFlags |= cmsFLAGS_GRIDPOINTS(NumOfGridPoints);
+            break;
+
+		default: FatalError("ERROR: Unknown precalculation mode '%d'", PrecalcMode);
+	 }
+
+	n = cmsGetPostScriptCRD(ContextID, hProfile, Intent, dwFlags, NULL, 0);
+	if (n == 0) return;
+
+	Buffer = (char*) malloc(n + 1);
+	if (Buffer == NULL) return;
+        cmsGetPostScriptCRD(ContextID, hProfile, Intent, dwFlags, Buffer, (cmsUInt32Number) n);
+	Buffer[n] = 0;
+
+	fprintf(OutFile, "%s", Buffer);
+	free(Buffer);
+	cmsCloseProfile(ContextID, hProfile);
+}
+
+
+int main(int argc, char *argv[])
+{
+	int nargs;
+    cmsContext ContextID = NULL;
+
+    fprintf(stderr, "Little CMS ICC PostScript generator - v2.1 [LittleCMS %2.2f]\n", cmsGetEncodedCMMversion() / 1000.0);
+    fprintf(stderr, "Copyright (c) 1998-2023 Marti Maria Saguer. See COPYING file for details.\n");
+    fflush(stderr);
+
+	// Initialize
+	InitUtils(NULL, "psicc");
+
+	 HandleSwitches(argc, argv);
+
+     nargs = (argc - xoptind);
+	 if (nargs != 0 && nargs != 1)
+				Help();
+
+    if (cInProf == NULL && cOutProf == NULL)
+        Help();
+
+	 if (nargs == 0)
+			OutFile = stdout;
+	 else
+			OutFile = fopen(argv[xoptind], "wt");
+
+	  if (cInProf != NULL)
+			GenerateCSA(ContextID);
+
+	  if (cOutProf != NULL)
+			GenerateCRD(ContextID);
+
+	  if (nargs == 1) {
+		  fclose(OutFile);
+	  }
+
+      return 0;
+}