Add DevIL 1.7.8.

2026-08-17 19:24:09 +02:00 · 2013-09-26 00:20:08 +02:00
parent 6e493fb605
commit c065120c58
487 changed files with 219483 additions and 0 deletions
@@ -0,0 +1,92 @@
+//-----------------------------------------------------------------------------
+//
+// ImageLib Sources
+// Copyright (C) 2000-2002 by Denton Woods
+// Last modified: 05/25/2001 <--Y2K Compliant! =]
+//
+// Filename: src-IL/include/il_rle.h
+//
+// Description: Functions for run-length encoding
+//
+//-----------------------------------------------------------------------------
+
+#ifndef RLE_H
+#define RLE_H
+
+#include "il_internal.h"
+
+#define TGA_MAX_RUN 128
+#define SGI_MAX_RUN 127
+#define BMP_MAX_RUN 127
+
+#ifdef IL_RLE_C
+#undef NOINLINE
+#undef INLINE
+#define INLINE
+#endif
+
+#ifndef NOINLINE
+INLINE ILuint GetPix(ILubyte *p, ILuint bpp) {
+	ILuint Pixel;
+	Pixel = (ILuint)*p++;
+	
+	while( bpp-- > 1 ) {
+		Pixel <<= 8;
+		Pixel |= (ILuint)*p++;
+	}
+	return Pixel;
+}
+
+INLINE ILint CountDiffPixels(ILubyte *p, ILuint bpp, ILuint pixCnt) {
+	ILuint	pixel;
+	ILuint	nextPixel = 0;
+	ILint	n;
+
+	n = 0;
+	if (pixCnt == 1)
+		return pixCnt;
+	pixel = GetPix(p, bpp);
+
+	while (pixCnt > 1) {
+		p += bpp;
+		nextPixel = GetPix(p, bpp);
+		if (nextPixel == pixel)
+			break;
+		pixel = nextPixel;
+		++n;
+		--pixCnt;
+	}
+
+	if (nextPixel == pixel)
+		return n;
+	return n + 1;
+}
+
+
+INLINE ILint CountSamePixels(ILubyte *p, ILuint bpp, ILuint pixCnt) {
+	ILuint	pixel;
+	ILuint	nextPixel;
+	ILint	n;
+
+	n = 1;
+	pixel = GetPix(p, bpp);
+	pixCnt--;
+
+	while (pixCnt > 0) {
+		p += bpp;
+		nextPixel = GetPix(p, bpp);
+		if (nextPixel != pixel)
+			break;
+		++n;
+		--pixCnt;
+	}
+
+	return n;
+}
+#endif
+
+ILuint GetPix(ILubyte *p, ILuint bpp);
+ILint CountDiffPixels(ILubyte *p, ILuint bpp, ILuint pixCnt);
+ILint CountSamePixels(ILubyte *p, ILuint bpp, ILuint pixCnt);
+
+#endif//RLE_H