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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commite2de64d6f1beb9e492daf5b886e19933c1fa41dd (patch)
tree9047cf9e6b5c43878d5bf82660adae77ceee097a /mpeglib/lib/util/render/dither/dither8Bit.h
downloadtdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.tar.gz
tdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'mpeglib/lib/util/render/dither/dither8Bit.h')
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diff --git a/mpeglib/lib/util/render/dither/dither8Bit.h b/mpeglib/lib/util/render/dither/dither8Bit.h
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+++ b/mpeglib/lib/util/render/dither/dither8Bit.h
@@ -0,0 +1,63 @@
+/*
+ dither 8 bit depth yuv images
+ Copyright (C) 2000 Martin Vogt
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Library General Public License as published by
+ the Free Software Foundation.
+
+ For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+
+#ifndef __DITHER_8BIT_H
+#define __DITHER_8BIT_H
+
+
+#include "colorTable8Bit.h"
+
+#define DITH_SIZE 16
+
+
+class Dither8Bit {
+
+ /* Structures used to implement hybrid ordered dither/floyd-steinberg
+ dither algorithm.
+ */
+
+ unsigned char *l_darrays[DITH_SIZE];
+ unsigned char *cr_darrays[DITH_SIZE];
+ unsigned char *cb_darrays[DITH_SIZE];
+
+ // private colormap
+ unsigned char pixel[256];
+
+ ColorTable8Bit* colorTable8Bit;
+
+ // Arrays holding quantized value ranged for lum, cr, and cb.
+ // (used for 8 Bit)
+
+ int* lum_values;
+ int* cr_values;
+ int* cb_values;
+
+
+ public:
+ Dither8Bit(unsigned char pixel[256]);
+ ~Dither8Bit();
+
+ void ditherImageOrdered (unsigned char* lum,
+ unsigned char* cr,
+ unsigned char* cb,
+ unsigned char* out,
+ int h,
+ int w);
+
+ private:
+ void initOrderedDither();
+};
+
+#endif
+