FIFE 2008.0
|
00001 /*************************************************************************** 00002 * Copyright (C) 2005-2008 by the FIFE team * 00003 * http://www.fifengine.de * 00004 * This file is part of FIFE. * 00005 * * 00006 * FIFE is free software; you can redistribute it and/or * 00007 * modify it under the terms of the GNU Lesser General Public * 00008 * License as published by the Free Software Foundation; either * 00009 * version 2.1 of the License, or (at your option) any later version. * 00010 * * 00011 * This library is distributed in the hope that it will be useful, * 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00014 * Lesser General Public License for more details. * 00015 * * 00016 * You should have received a copy of the GNU Lesser General Public * 00017 * License along with this library; if not, write to the * 00018 * Free Software Foundation, Inc., * 00019 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * 00020 ***************************************************************************/ 00021 00022 #ifndef FIFE_VIDEO_RENDERBACKEND_H 00023 #define FIFE_VIDEO_RENDERBACKEND_H 00024 00025 // Standard C++ library includes 00026 #include <string> 00027 #include <vector> 00028 00029 // Platform specific includes 00030 #include "util/base/fife_stdint.h" 00031 00032 // 3rd party library includes 00033 #include <SDL.h> 00034 #include <SDL_video.h> 00035 00036 // FIFE includes 00037 // These includes are split up in two parts, separated by one empty line 00038 // First block: files included from the FIFE root src directory 00039 // Second block: files included from the same folder 00040 #include "util/base/singleton.h" 00041 #include "util/structures/point.h" 00042 #include "util/structures/rect.h" 00043 #include "video/devicecaps.h" 00044 00045 #include "image.h" 00046 00047 namespace FIFE { 00048 00049 class Image; 00050 00052 class RenderBackend: public AbstractImage, public DynamicSingleton<RenderBackend> { 00053 public: 00057 RenderBackend(const SDL_Color& colorkey); 00058 00061 virtual ~RenderBackend(); 00062 00066 virtual const std::string& getName() const = 0; 00067 00070 virtual void startFrame() = 0; 00071 00074 virtual void endFrame() = 0; 00075 00078 virtual void init(const std::string& driver) = 0; 00079 00082 virtual void clearBackBuffer() = 0; 00083 00086 virtual void setLightingModel(unsigned int lighting) = 0; 00087 00090 virtual unsigned int getLightingModel() const = 0; 00091 00094 virtual void enableLighting() = 0; 00095 00098 virtual void disableLighting() = 0; 00099 00102 virtual void setLighting(float red, float green, float blue, float alpha) = 0; 00103 00106 virtual void resetLighting() = 0; 00107 00110 virtual void enableStencilTest() = 0; 00111 00114 virtual void disableStencilTest() = 0; 00115 00118 virtual void setStencilTest(Uint8 stencil_ref, unsigned int stencil_op, unsigned int stencil_func) = 0; 00119 00122 virtual void resetStencilBuffer(Uint8 buffer) = 0; 00123 00126 virtual Uint8 getStencilRef() const = 0; 00127 00130 virtual void enableAlphaTest() = 0; 00131 00134 virtual void disableAlphaTest() = 0; 00135 00138 virtual void setAlphaTest(float ref_alpha) = 0; 00139 00142 virtual void changeBlending(int scr, int dst) = 0; 00143 00146 virtual void deinit(); 00147 00154 virtual Image* createMainScreen(const ScreenMode& mode, const std::string& title, const std::string& icon) = 0; 00155 00160 virtual Image* setScreenMode(const ScreenMode& mode) = 0; 00161 00168 virtual Image* createImage(const uint8_t* data, unsigned int width, unsigned int height) = 0; 00169 00175 virtual Image* createImage(SDL_Surface* surface) = 0; 00176 00180 Image* getScreenImage() const { return m_screen; }; 00181 00184 void captureScreen(const std::string& filename); 00185 00186 SDL_Surface* getSurface(); 00187 00191 const ScreenMode& getCurrentScreenMode() const; 00192 00193 unsigned int getWidth() const; 00194 unsigned int getHeight() const; 00195 unsigned int getScreenWidth() const { return getWidth(); } 00196 unsigned int getScreenHeight() const { return getHeight(); } 00197 const Rect& getArea(); 00198 void getPixelRGBA(int x, int y, uint8_t* r, uint8_t* g, uint8_t* b, uint8_t* a); 00199 void pushClipArea(const Rect& cliparea, bool clear=true); 00200 void popClipArea(); 00201 const Rect& getClipArea() const; 00202 void setAlphaOptimizerEnabled(bool enabled); 00203 bool isAlphaOptimizerEnabled(); 00204 void saveImage(const std::string& filename); 00205 00208 void setColorKeyEnabled(bool colorkeyenable); 00209 00212 bool isColorKeyEnabled() const; 00213 00216 void setColorKey(const SDL_Color& colorkey); 00217 00220 const SDL_Color& getColorKey() const; 00221 00222 protected: 00223 Image* m_screen; 00224 bool m_isalphaoptimized; 00225 unsigned int m_chunkingsize; 00226 bool m_iscolorkeyenabled; 00227 SDL_Color m_colorkey; 00228 ScreenMode m_screenMode; 00229 }; 00230 } 00231 00232 #endif