src/blitter/8bpp_optimized.hpp

   1 /* $Id$ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * 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.
   6  * 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.
   7  * 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/>.
   8  */
   9
  10 /** @file 8bpp_optimized.hpp An optimized 8 bpp blitter. */
  11
  12 #ifndef BLITTER_8BPP_OPTIMIZED_HPP
  13 #define BLITTER_8BPP_OPTIMIZED_HPP
  14
  15 #include "8bpp_base.hpp"
  16 #include "factory.hpp"
  17
  18 /** 8bpp blitter optimised for speed. */
  19 class Blitter_8bppOptimized FINAL : public Blitter_8bppBase {
  20 public:
  21         /** Data stored about a (single) sprite. */
  22         struct SpriteData {
  23                 uint32 offset[ZOOM_LVL_COUNT]; ///< Offsets (from .data) to streams for different zoom levels.
  24                 byte data[];                   ///< Data, all zoomlevels.
  25         };
  26
  27         /* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
  28         /* virtual */ Sprite *Encode(const SpriteLoader::Sprite *sprite, AllocatorProc *allocator);
  29
  30         /* virtual */ const char *GetName() { return "8bpp-optimized"; }
  31 };
  32
  33 /** Factory for the 8bpp blitter optimised for speed. */
  34 class FBlitter_8bppOptimized : public BlitterFactory {
  35 public:
  36         FBlitter_8bppOptimized() : BlitterFactory("8bpp-optimized", "8bpp Optimized Blitter (compression + all-ZoomLevel cache)") {}
  37         /* virtual */ Blitter *CreateInstance() { return new Blitter_8bppOptimized(); }
  38 };
  39
  40 #endif /* BLITTER_8BPP_OPTIMIZED_HPP */