00001 /* $Id$ */ 00002 00003 /* 00004 * This file is part of OpenTTD. 00005 * 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. 00006 * 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. 00007 * 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/>. 00008 */ 00009 00012 #ifndef SPRITELOADER_HPP 00013 #define SPRITELOADER_HPP 00014 00015 #include "../core/alloc_type.hpp" 00016 #include "../gfx_type.h" 00017 00019 class SpriteLoader { 00020 public: 00022 struct CommonPixel { 00023 uint8 r; 00024 uint8 g; 00025 uint8 b; 00026 uint8 a; 00027 uint8 m; 00028 }; 00029 00036 struct Sprite { 00037 uint16 height; 00038 uint16 width; 00039 int16 x_offs; 00040 int16 y_offs; 00041 SpriteType type; 00042 SpriteLoader::CommonPixel *data; 00043 00049 void AllocateData(ZoomLevel zoom, size_t size) { this->data = Sprite::buffer[zoom].ZeroAllocate(size); } 00050 private: 00052 static ReusableBuffer<SpriteLoader::CommonPixel> buffer[ZOOM_LVL_COUNT]; 00053 }; 00054 00064 virtual uint8 LoadSprite(SpriteLoader::Sprite *sprite, uint8 file_slot, size_t file_pos, SpriteType sprite_type, bool load_32bpp) = 0; 00065 00066 virtual ~SpriteLoader() { } 00067 }; 00068 00069 #endif /* SPRITELOADER_HPP */