145 lines
4.2 KiB
C
145 lines
4.2 KiB
C
//
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// Little cms
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// Copyright (C) 1998-2015 Marti Maria
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//
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//---------------------------------------------------------------------------------
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//
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// Little Color Management System
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// Copyright (c) 1998-2014 Marti Maria Saguer
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the Software
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// is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//---------------------------------------------------------------------------------
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#include "utils.h"
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// The toggles stuff
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static cmsBool lShowXYZ = TRUE;
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static cmsBool lShowLab = FALSE;
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static cmsBool lShowLCh = FALSE;
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static
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void HandleSwitches(int argc, char *argv[])
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{
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int s;
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while ((s = xgetopt(argc, argv, "lcx")) != EOF) {
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switch (s){
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case 'l':
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lShowLab = TRUE;
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break;
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case 'c':
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lShowLCh = TRUE;
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break;
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case 'x':
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lShowXYZ = FALSE;
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break;
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default:
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FatalError("Unknown option - run without args to see valid ones.\n");
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}
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}
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}
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static
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void Help(void)
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{
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fprintf(stderr, "little CMS ICC white point utility - v3 [LittleCMS %2.2f]\n", LCMS_VERSION / 1000.0);
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fprintf(stderr, "usage: wtpt [flags] [<ICC profile>]\n\n");
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fprintf(stderr, "flags:\n\n");
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fprintf(stderr, "%cl - CIE Lab\n", SW);
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fprintf(stderr, "%cc - CIE LCh\n", SW);
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fprintf(stderr, "%cx - Don't show XYZ\n", SW);
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fprintf(stderr, "\nIf no parameters are given, then this program will\n");
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fprintf(stderr, "ask for XYZ value of media white. If parameter given, it must be\n");
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fprintf(stderr, "the profile to inspect.\n\n");
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fprintf(stderr, "This program is intended to be a demo of the little cms\n"
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"engine. Both lcms and this program are freeware. You can\n"
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"obtain both in source code at http://www.littlecms.com\n"
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"For suggestions, comments, bug reports etc. send mail to\n"
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"info@littlecms.com\n\n");
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exit(0);
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}
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static
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void ShowWhitePoint(cmsCIEXYZ* WtPt)
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{
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cmsCIELab Lab;
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cmsCIELCh LCh;
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cmsCIExyY xyY;
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cmsXYZ2Lab(NULL, &Lab, WtPt);
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cmsLab2LCh(&LCh, &Lab);
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cmsXYZ2xyY(&xyY, WtPt);
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if (lShowXYZ) printf("XYZ=(%3.1f, %3.1f, %3.1f)\n", WtPt->X, WtPt->Y, WtPt->Z);
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if (lShowLab) printf("Lab=(%3.3f, %3.3f, %3.3f)\n", Lab.L, Lab.a, Lab.b);
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if (lShowLCh) printf("LCh=(%3.3f, %3.3f, %3.3f)\n", LCh.L, LCh.C, LCh.h);
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{
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double Ssens = (LCh.C * 100.0 )/ sqrt(LCh.C*LCh.C + LCh.L * LCh.L) ;
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printf("Sens = %f\n", Ssens);
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}
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}
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int main(int argc, char *argv[])
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{
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int nargs;
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InitUtils("wtpt");
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HandleSwitches(argc, argv);
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nargs = (argc - xoptind);
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if (nargs != 1)
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Help();
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else {
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cmsCIEXYZ* WtPt;
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cmsHPROFILE hProfile = cmsOpenProfileFromFile(argv[xoptind], "r");
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if (hProfile == NULL) return 1;
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WtPt = cmsReadTag(hProfile, cmsSigMediaWhitePointTag);
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ShowWhitePoint(WtPt);
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cmsCloseProfile(hProfile);
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}
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return 0;
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}
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