(svn r10190) -Codechange: merged renderer and blitter to one single class API: blitter

-Codechange: introduced a hierachy of blitters to avoid a lot of code duplication
 Note: this allows much easier adding other types of video-drivers, like OpenGL

src/blitter/32bpp_base.hpp

@@ -0,0 +1,33 @@
+/* $Id$ */
+
+/** @file 32bpp_base.hpp */
+
+#ifndef BLITTER_32BPP_BASE_HPP
+#define BLITTER_32BPP_BASE_HPP
+
+#include "base.hpp"
+
+class Blitter_32bppBase : public Blitter {
+public:
+	/* virtual */ uint8 GetScreenDepth() { return 32; }
+//	/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
+//	/* virtual */ void DrawColorMappingRect(void *dst, int width, int height, int pal);
+//	/* virtual */ Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator);
+	/* virtual */ void *MoveTo(const void *video, int x, int y);
+	/* virtual */ void SetPixel(void *video, int x, int y, uint8 color);
+	/* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 color);
+	/* virtual */ void SetHorizontalLine(void *video, int width, uint8 color);
+	/* virtual */ void DrawLine(void *video, int x, int y, int x2, int y2, uint8 color);
+	/* virtual */ void CopyFromBuffer(void *video, const void *src, int width, int height, int src_pitch);
+	/* virtual */ void CopyToBuffer(const void *video, void *dst, int width, int height, int dst_pitch);
+	/* virtual */ void MoveBuffer(void *video_dst, const void *video_src, int width, int height);
+	/* virtual */ int BufferSize(int width, int height);
+
+	static inline uint32 LookupColourInPalette(uint8 index) {
+		#define ARGB(a, r, g, b) ((((a) << 24) & 0xFF000000) | (((r) << 16) & 0x00FF0000) | (((g) << 8) & 0x0000FF00) | ((b) & 0x000000FF))
+		if (index == 0) return 0x00000000;
+		return ARGB(0xFF, _cur_palette[index].r, _cur_palette[index].g, _cur_palette[index].b);
+	}
+};
+
+#endif /* BLITTER_32BPP_BASE_HPP */