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

1 files changed, 100 insertions, 0 deletions

diff --git a/mpeglib/lib/util/render/dither/ditherDef.h b/mpeglib/lib/util/render/dither/ditherDef.h
new file mode 100644
index 00000000..2e8d7d0e
--- /dev/null
+++ b/mpeglib/lib/util/render/dither/ditherDef.h
@@ -0,0 +1,100 @@
+/*
+  global definitions for dithering
+  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 __DITHERDEF_H
+#define __DITHERDEF_H
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+extern "C" {
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+}
+
+
+#ifdef __GNUC__
+#if (__GNUC__ < 2 || ( __GNUC__ == 2 && __GNUC_MINOR__ < 91 ) )
+#ifndef _AIX
+#warning "inline code disabled! (buggy egcs version)"
+#undef __NO_MATH_INLINES
+#define __NO_MATH_INLINES 1
+#endif
+#endif
+#endif
+#include <math.h>
+
+
+
+/* Gamma correction stuff */
+extern int gammaCorrectFlag;
+extern double gammaCorrect;
+
+/* Chroma correction stuff */
+extern int chromaCorrectFlag;
+extern double chromaCorrect;
+
+
+#define CB_BASE 1
+#define CR_BASE (CB_BASE*CB_RANGE)
+#define LUM_BASE (CR_BASE*CR_RANGE)
+
+#define TABTYPE short
+
+#ifdef SIXTYFOUR_BIT
+#define PIXVAL long
+#else
+#define PIXVAL int
+#endif
+
+#ifdef SIXTYFOUR_BIT
+#define ONE_TWO 1
+#else
+#define ONE_TWO 2
+#endif
+
+
+
+#define Min(x,y) (((x) < (y)) ? (x) : (y))
+#define Max(x,y) (((x) > (y)) ? (x) : (y))
+
+#define CHROMA_CORRECTION128(x) ((x) >= 0 \
+                        ? Min(127,  (int)(((x) * chromaCorrect))) \
+                        : Max(-128, (int)(((x) * chromaCorrect))))
+#define CHROMA_CORRECTION256D(x) ((x) >= 128 \
+                        ? 128.0 + Min(127.0, (((x)-128.0) * chromaCorrect)) \
+                        : 128.0 - Min(128.0, (((128.0-(x))* chromaCorrect))))
+
+
+
+#define GAMMA_CORRECTION(x) ((int)(pow((x) / 255.0, 1.0/gammaCorrect)* 255.0))
+
+#define CHROMA_CORRECTION128D(x) ((x) >= 0 \
+                        ? Min(127.0,  ((x) * chromaCorrect)) \
+                        : Max(-128.0, ((x) * chromaCorrect)))
+
+#define CHROMA_CORRECTION256(x) ((x) >= 128 \
+                        ? 128 + Min(127, (int)(((x)-128.0) * chromaCorrect)) \
+                        : 128 - Min(128, (int)((128.0-(x)) * chromaCorrect)))
+
+// Range values for lum, cr, cb. 
+#define  LUM_RANGE  8
+#define  CR_RANGE   4
+#define  CB_RANGE   4
+
+ 
+#endif