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Diffstat (limited to 'lcms2mt/utils/samples/mkgrayer.c')
-rw-r--r--lcms2mt/utils/samples/mkgrayer.c93
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;
+}