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143 lines
3.2 KiB
143 lines
3.2 KiB
//
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// Little cms
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// Copyright (C) 1998-2003 Marti Maria
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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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#include "lcms.h"
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static
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double DecodeAbTIFF(double ab)
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{
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if (ab <= 128.)
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ab += 127.;
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else
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ab -= 127.;
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return ab;
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}
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static
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LPGAMMATABLE CreateStep(void)
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{
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LPGAMMATABLE Gamma = cmsAllocGamma(4096);
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LPWORD Table = Gamma ->GammaTable;
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int i;
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double a;
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for (i=0; i < 4096; i++) {
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a = (double) i * 255. / 4095.;
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a = DecodeAbTIFF(a);
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Table[i] = (WORD) floor(a * 257. + 0.5);
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}
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return Gamma;
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}
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static
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LPGAMMATABLE CreateLinear()
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{
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LPGAMMATABLE Gamma = cmsAllocGamma(4096);
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LPWORD Table = Gamma ->GammaTable;
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int i;
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for (i=0; i < 4096; i++) {
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Table[i] = _cmsQuantizeVal(i, 4096);
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}
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return Gamma;
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}
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static
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int Identity(register WORD In[], register WORD Out[], register LPVOID Cargo)
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{
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Out[0] = In[0];
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Out[1] = In[1];
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Out[2] = In[2];
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return TRUE;
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}
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int main(int argc, char *argv[])
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{
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cmsHPROFILE hProfile;
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LPLUT AToB0, BToA0;
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LPGAMMATABLE PreLinear[3];
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LPGAMMATABLE Lin, Step;
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fprintf(stderr, "Creating lcmstiff8.icm...");
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unlink("lcmstiff8.icm");
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hProfile = cmsOpenProfileFromFile("lcmstiff8.icm", "w");
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// Create linearization
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Lin = CreateLinear();
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Step = CreateStep();
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PreLinear[0] = Lin;
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PreLinear[1] = Step;
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PreLinear[2] = Step;
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AToB0 = cmsAllocLUT();
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BToA0 = cmsAllocLUT();
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cmsAlloc3DGrid(AToB0, 2, 3, 3);
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cmsAlloc3DGrid(BToA0, 2, 3, 3);
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cmsSample3DGrid(AToB0, Identity, NULL, 0);
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cmsSample3DGrid(BToA0, Identity, NULL, 0);
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cmsAllocLinearTable(AToB0, PreLinear, 1);
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cmsAllocLinearTable(BToA0, PreLinear, 2);
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cmsAddTag(hProfile, icSigAToB0Tag, AToB0);
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cmsAddTag(hProfile, icSigBToA0Tag, BToA0);
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cmsAddTag(hProfile, icSigProfileDescriptionTag, "Little cms Tiff8 CIELab");
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cmsAddTag(hProfile, icSigCopyrightTag, "Copyright (c) Marti Maria, 2003. All rights reserved.");
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cmsAddTag(hProfile, icSigDeviceMfgDescTag, "Little cms");
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cmsAddTag(hProfile, icSigDeviceModelDescTag, "TIFF Lab8");
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cmsCloseProfile(hProfile);
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cmsFreeGamma(Lin);
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cmsFreeGamma(Step);
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cmsFreeLUT(AToB0);
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cmsFreeLUT(BToA0);
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fprintf(stderr, "Done.\n");
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return 0;
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}
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