From e2de64d6f1beb9e492daf5b886e19933c1fa41dd Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: 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 --- mpeglib/lib/util/render/dither/dither8Bit.h | 63 +++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 mpeglib/lib/util/render/dither/dither8Bit.h (limited to 'mpeglib/lib/util/render/dither/dither8Bit.h') diff --git a/mpeglib/lib/util/render/dither/dither8Bit.h b/mpeglib/lib/util/render/dither/dither8Bit.h new file mode 100644 index 00000000..7bdd4d8f --- /dev/null +++ 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 + -- cgit v1.2.1