(svn r10227) -Add: added 32bpp-anim blitter, a 32bpp blitter that does palette animation (at the cost of an animation-buffer to keep track of the 'm'-channel of all sprites)

src/blitter/32bpp_anim.hpp

@@ -0,0 +1,40 @@
+/* $Id$ */
+
+/** @file 32bpp_anim.hpp */
+
+#ifndef BLITTER_32BPP_ANIM_HPP
+#define BLITTER_32BPP_ANIM_HPP
+
+#include "32bpp_simple.hpp"
+#include "factory.hpp"
+
+class Blitter_32bppAnim : public Blitter_32bppSimple {
+private:
+	uint8 *anim_buf; ///< In this buffer we keep track of the 8bpp indexes so we can do palette animation
+	int anim_buf_width;
+	int anim_buf_height;
+
+public:
+	Blitter_32bppAnim() :
+		anim_buf(NULL),
+		anim_buf_width(0),
+		anim_buf_height(0)
+	{}
+
+	/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
+	/* virtual */ void SetPixel(void *video, int x, int y, uint8 color);
+	/* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 color);
+	/* virtual */ void DrawRect(void *video, int width, int height, uint8 color);
+	/* virtual */ void ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y);
+	/* virtual */ void PaletteAnimate(uint start, uint count);
+	/* virtual */ Blitter::PaletteAnimation UsePaletteAnimation();
+};
+
+class FBlitter_32bppAnim: public BlitterFactory<FBlitter_32bppAnim> {
+public:
+	/* virtual */ const char *GetName() { return "32bpp-anim"; }
+	/* virtual */ const char *GetDescription() { return "32bpp Animation Blitter (palette animation)"; }
+	/* virtual */ Blitter *CreateInstance() { return new Blitter_32bppAnim(); }
+};
+
+#endif /* BLITTER_32BPP_ANIM_HPP */