| 1 | //======================================================================== |
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| 2 | // |
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| 3 | // sanitychecks.cc |
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| 4 | // |
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| 5 | // This file is licensed under the GPLv2 or later |
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| 6 | // |
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| 7 | // Copyright (C) 2020 Philipp Knechtges <philipp-dev@knechtges.com> |
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| 8 | // |
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| 9 | // To see a description of the changes please see the Changelog file that |
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| 10 | // came with your tarball or type make ChangeLog if you are building from git |
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| 11 | // |
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| 12 | //======================================================================== |
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| 13 | |
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| 14 | #include <cstdio> |
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| 15 | #include <cstddef> |
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| 16 | #include <cstring> |
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| 17 | #include <cstdlib> |
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| 18 | #include <cctype> |
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| 19 | #include "sanitychecks.h" |
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| 20 | |
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| 21 | #ifdef USE_CMS |
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| 22 | bool checkICCProfile(const GfxLCMSProfilePtr &profile, const char *filename, cmsUInt32Number UsedDirection, cmsColorSpaceSignature expectedColorSpace) |
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| 23 | { |
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| 24 | if (!profile) { |
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| 25 | fprintf(stderr, "Could not open the ICC profile \"%s\".\n" , filename); |
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| 26 | return false; |
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| 27 | } |
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| 28 | if (!cmsIsIntentSupported(profile.get(), INTENT_RELATIVE_COLORIMETRIC, UsedDirection) && !cmsIsIntentSupported(profile.get(), INTENT_ABSOLUTE_COLORIMETRIC, UsedDirection) |
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| 29 | && !cmsIsIntentSupported(profile.get(), INTENT_SATURATION, UsedDirection) && !cmsIsIntentSupported(profile.get(), INTENT_PERCEPTUAL, LCMS_USED_AS_OUTPUT)) { |
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| 30 | if (UsedDirection == LCMS_USED_AS_OUTPUT) { |
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| 31 | fprintf(stderr, "ICC profile \"%s\" is not an output profile.\n" , filename); |
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| 32 | } else if (UsedDirection == LCMS_USED_AS_INPUT) { |
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| 33 | fprintf(stderr, "ICC profile \"%s\" is not an input profile.\n" , filename); |
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| 34 | } else { |
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| 35 | fprintf(stderr, "ICC profile \"%s\" is not suitable.\n" , filename); |
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| 36 | } |
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| 37 | return false; |
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| 38 | } |
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| 39 | auto profilecolorspace = cmsGetColorSpace(profile.get()); |
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| 40 | if (profilecolorspace != expectedColorSpace) { |
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| 41 | if (expectedColorSpace == cmsSigCmykData) { |
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| 42 | fprintf(stderr, "Supplied ICC profile \"%s\" is not a CMYK profile.\n" , filename); |
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| 43 | } else if (expectedColorSpace == cmsSigGrayData) { |
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| 44 | fprintf(stderr, "Supplied ICC profile \"%s\" is not a monochrome profile.\n" , filename); |
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| 45 | } else if (expectedColorSpace == cmsSigRgbData) { |
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| 46 | fprintf(stderr, "Supplied ICC profile \"%s\" is not a RGB profile.\n" , filename); |
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| 47 | } |
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| 48 | return false; |
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| 49 | } |
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| 50 | return true; |
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| 51 | } |
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| 52 | #endif |
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| 53 | |
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