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Diffstat (limited to 'lcms2mt/utils/samples/mkgrayer.c')
-rw-r--r-- | lcms2mt/utils/samples/mkgrayer.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/lcms2mt/utils/samples/mkgrayer.c b/lcms2mt/utils/samples/mkgrayer.c new file mode 100644 index 000000000..46e928618 --- /dev/null +++ b/lcms2mt/utils/samples/mkgrayer.c @@ -0,0 +1,93 @@ +// +// Little cms +// Copyright (C) 1998-2003 Marti Maria +// +// 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 "lcms.h" + + + +static +int Forward(register WORD In[], register WORD Out[], register LPVOID Cargo) +{ + cmsCIELab Lab; + + + cmsLabEncoded2Float(&Lab, In); + + if (fabs(Lab.a) < 3 && fabs(Lab.b) < 3) { + + double L_01 = Lab.L / 100.0; + WORD K; + + if (L_01 > 1) L_01 = 1; + K = (WORD) floor(L_01* 65535.0 + 0.5); + + Out[0] = Out[1] = Out[2] = K; + } + else { + Out[0] = 0xFFFF; Out[1] = 0; Out[2] = 0; + } + + return TRUE; +} + + + + + +int main(int argc, char *argv[]) +{ + LPLUT BToA0; + cmsHPROFILE hProfile; + + fprintf(stderr, "Creating interpol2.icc..."); + + unlink("interpol2.icc"); + hProfile = cmsOpenProfileFromFile("interpol2.icc", "w8"); + + + BToA0 = cmsAllocLUT(); + + cmsAlloc3DGrid(BToA0, 17, 3, 3); + + cmsSample3DGrid(BToA0, Forward, NULL, 0); + + cmsAddTag(hProfile, icSigBToA0Tag, BToA0); + + cmsSetColorSpace(hProfile, icSigRgbData); + cmsSetPCS(hProfile, icSigLabData); + cmsSetDeviceClass(hProfile, icSigOutputClass); + + cmsAddTag(hProfile, icSigProfileDescriptionTag, "Interpolation test"); + cmsAddTag(hProfile, icSigCopyrightTag, "Copyright (c) HP 2007. All rights reserved."); + cmsAddTag(hProfile, icSigDeviceMfgDescTag, "Little cms"); + cmsAddTag(hProfile, icSigDeviceModelDescTag, "Interpolation test profile"); + + + cmsCloseProfile(hProfile); + + cmsFreeLUT(BToA0); + + fprintf(stderr, "Done.\n"); + + return 0; +} |