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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file 32bpp_anim.hpp A 32 bpp blitter with animation support. */
#ifndef BLITTER_32BPP_ANIM_HPP
#define BLITTER_32BPP_ANIM_HPP
#include "32bpp_optimized.hpp"
/** The optimised 32 bpp blitter with palette animation. */
class Blitter_32bppAnim FINAL : public Blitter_32bppOptimized {
private:
uint8 *anim_buf; ///< In this buffer we keep track of the 8bpp indexes so we can do palette animation
int anim_buf_width; ///< The width of the animation buffer.
int anim_buf_height; ///< The height of the animation buffer.
Palette palette; ///< The current palette.
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 DrawColourMappingRect(void *dst, int width, int height, PaletteID pal);
/* virtual */ void SetPixel(void *video, int x, int y, uint8 colour);
/* virtual */ void DrawRect(void *video, int width, int height, uint8 colour);
/* virtual */ void CopyFromBuffer(void *video, const void *src, int width, int height);
/* virtual */ void CopyToBuffer(const void *video, void *dst, int width, int height);
/* virtual */ void ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y);
/* virtual */ int BufferSize(int width, int height);
/* virtual */ void PaletteAnimate(const Palette &palette);
/* virtual */ Blitter::PaletteAnimation UsePaletteAnimation();
/* virtual */ const char *GetName() { return "32bpp-anim"; }
/* virtual */ int GetBytesPerPixel() { return 5; }
/* virtual */ void PostResize();
/**
* Look up the colour in the current palette.
*/
inline uint32 LookupColourInPalette(uint index)
{
return this->palette.palette[index].data;
}
template <BlitterMode mode> void Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom);
};
/** Factory for the 32bpp blitter with animation. */
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 */
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