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annotate engine/core/video/renderbackend.h @ 697:ecaa4d98f05f tip

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Abstracted the GUI code and refactored the GUIChan-specific code into its own module. * Most of the GUIChan code has been refactored into its own gui/guichan module. However, references to the GuiFont class still persist in the Engine and GuiManager code and these will need further refactoring. * GuiManager is now an abstract base class which specific implementations (e.g. GUIChan) should subclass. * The GUIChan GUI code is now a concrete implementation of GuiManager, most of which is in the new GuiChanGuiManager class. * The GUI code in the Console class has been refactored out of the Console and into the GUIChan module as its own GuiChanConsoleWidget class. The rest of the Console class related to executing commands was left largely unchanged. * Existing client code may need to downcast the GuiManager pointer received from FIFE::Engine::getGuiManager() to GuiChanGuiManager, since not all functionality is represented in the GuiManager abstract base class. Python client code can use the new GuiChanGuiManager.castTo static method for this purpose.
author M. George Hansen <technopolitica@gmail.com>
date Sat, 18 Jun 2011 00:28:40 -1000
parents 46258f467c8c
children
rev   line source
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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22 #ifndef FIFE_VIDEO_RENDERBACKEND_H
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23 #define FIFE_VIDEO_RENDERBACKEND_H
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24
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25 // Standard C++ library includes
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26 #include <string>
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27 #include <vector>
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29 // Platform specific includes
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30 #include "util/base/fife_stdint.h"
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31
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32 // 3rd party library includes
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33 #include <SDL.h>
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34 #include <SDL_video.h>
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35
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36 // FIFE includes
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37 // These includes are split up in two parts, separated by one empty line
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38 // First block: files included from the FIFE root src directory
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39 // Second block: files included from the same folder
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40 #include "util/base/singleton.h"
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41 #include "util/structures/point.h"
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42 #include "util/structures/rect.h"
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43 #include "video/devicecaps.h"
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45 #include "image.h"
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47 namespace FIFE {
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49 class Image;
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50
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51 /** Abstract interface for all the renderbackends. */
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52 class RenderBackend: public AbstractImage, public DynamicSingleton<RenderBackend> {
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53 public:
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54 /** Constructor.
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55 * @param name The name of the new renderbackend.
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56 */
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ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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57 RenderBackend(const SDL_Color& colorkey);
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58
0
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59 /** Destructor.
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60 */
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61 virtual ~RenderBackend();
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62
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63 /** The name of the renderbackend.
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64 * @return The name of this renderbackend.
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65 */
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66 virtual const std::string& getName() const = 0;
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67
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68 /** Called when a new frame starts.
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69 */
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70 virtual void startFrame() = 0;
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71
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72 /** Called when a frame is finished and ready to be displayed.
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73 */
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74 virtual void endFrame() = 0;
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75
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76 /** Initializes the backend.
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77 */
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78 virtual void init(const std::string& driver) = 0;
0
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79
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80 /** Forces a clear of the backbuffer
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81 */
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82 virtual void clearBackBuffer() = 0;
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83
661
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84 /** Initializes the light.
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85 */
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86 virtual void setLightingModel(unsigned int lighting) = 0;
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87
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88 /** Gets the current light model.
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89 */
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90 virtual unsigned int getLightingModel() const = 0;
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91
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92 /** Enable the lighting.
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93 */
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94 virtual void enableLighting() = 0;
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95
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96 /** Disable the lighting.
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97 */
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98 virtual void disableLighting() = 0;
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99
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100 /** Set colors for lighting
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101 */
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102 virtual void setLighting(float red, float green, float blue, float alpha) = 0;
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103
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104 /** Reset lighting with default values.
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105 */
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106 virtual void resetLighting() = 0;
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107
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108 /** Enable the stencil test.
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109 */
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110 virtual void enableStencilTest() = 0;
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111
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112 /** Disable the stencil test.
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113 */
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114 virtual void disableStencilTest() = 0;
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115
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116 /** Set reference for the stencil test.
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117 */
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118 virtual void setStencilTest(Uint8 stencil_ref, unsigned int stencil_op, unsigned int stencil_func) = 0;
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119
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120 /** Reset stencil buffer with given value.
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121 */
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122 virtual void resetStencilBuffer(Uint8 buffer) = 0;
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123
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124 /** Return the reference value for the stencil test.
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125 */
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126 virtual Uint8 getStencilRef() const = 0;
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127
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128 /** Enable the alpha test.
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129 */
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130 virtual void enableAlphaTest() = 0;
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131
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132 /** Disable the stencil test.
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133 */
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134 virtual void disableAlphaTest() = 0;
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135
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136 /** Set reference for the alpha test.
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137 */
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138 virtual void setAlphaTest(float ref_alpha) = 0;
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139
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140 /** Change the Blendingmodel.
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141 */
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142 virtual void changeBlending(int scr, int dst) = 0;
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143
0
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144 /** Performs cleanup actions.
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145 */
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146 virtual void deinit();
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147
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148 /** Creates the mainscreen (the display window).
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149 * @param mode The ScreenMode to use. @see FIFE::ScreenMode.
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150 * @param tite The window title to use.
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151 * @param icon The window icon to use.
0
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152 * @return The new Screen Image
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153 */
642
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154 virtual Image* createMainScreen(const ScreenMode& mode, const std::string& title, const std::string& icon) = 0;
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3094988564d5 * Added a simple method to query the default video card capabilities. This is still a work in progress. You can now get a list of ScreenModes the device supports. ScreenMode includes information on the screen resolution, if the mode is fullscreen/windowed and if it would use the OpenGL or SDL renderer.
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155
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156 /** Sets the mainscreen display mode.
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157 * @param mode The ScreenMode to change the display to. @see FIFE::ScreenMode.
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158 * @return The new Screen Image
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159 */
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160 virtual Image* setScreenMode(const ScreenMode& mode) = 0;
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161
0
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162 /** Creates an Image suitable for this renderbackend.
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163 * @param data Pointer to the imagedata (needs to be in RGBA, 8 bits per channel).
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164 * @param width Width of the image.
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165 * @param height Height of the image.
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166 * @return The new Image.
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167 */
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168 virtual Image* createImage(const uint8_t* data, unsigned int width, unsigned int height) = 0;
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169
0
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170 /** Helper function to create images from SDL_Surfaces.
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171 * Takes ownership over the surface.
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172 * @param surface The surface to convert.
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173 * @return The new Image.
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174 */
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175 virtual Image* createImage(SDL_Surface* surface) = 0;
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176
0
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177 /** Returns a pointer to the main screen Image
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178 * @return A pointer to the main screen Image, or 0 if no mainscreen exists.
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179 */
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180 Image* getScreenImage() const { return m_screen; };
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181
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182 /** Creates a Screenshot and saves it to a file.
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183 */
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184 void captureScreen(const std::string& filename);
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185
0
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186 SDL_Surface* getSurface();
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01acc9fc35ea * Moved getCurrentScreenMode() to the renderbackend as renderbackend is what initializes the screen.
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187
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188 /** Get current screen mode
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189 * @return The current screen mode
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190 */
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191 const ScreenMode& getCurrentScreenMode() const;
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192
0
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193 unsigned int getWidth() const;
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194 unsigned int getHeight() const;
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195 unsigned int getScreenWidth() const { return getWidth(); }
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196 unsigned int getScreenHeight() const { return getHeight(); }
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197 const Rect& getArea();
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198 void getPixelRGBA(int x, int y, uint8_t* r, uint8_t* g, uint8_t* b, uint8_t* a);
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199 void pushClipArea(const Rect& cliparea, bool clear=true);
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200 void popClipArea();
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201 const Rect& getClipArea() const;
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202 void setAlphaOptimizerEnabled(bool enabled);
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203 bool isAlphaOptimizerEnabled();
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204 void saveImage(const std::string& filename);
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205
425
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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206 /** Sets whether to use the colorkey feature
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207 */
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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208 void setColorKeyEnabled(bool colorkeyenable);
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209
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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210 /** Gets whether the colorkey feature is in use
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vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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211 */
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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212 bool isColorKeyEnabled() const;
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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213
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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214 /** Sets the global colorkey to use for images
621
356634098bd9 * Removed the image chunking size variable from engine settings.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
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215 */
425
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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216 void setColorKey(const SDL_Color& colorkey);
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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217
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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218 /** Gets the global colorkey setting
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356634098bd9 * Removed the image chunking size variable from engine settings.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
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219 */
425
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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220 const SDL_Color& getColorKey() const;
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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221
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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222 protected:
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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223 Image* m_screen;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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224 bool m_isalphaoptimized;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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225 unsigned int m_chunkingsize;
425
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 61
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226 bool m_iscolorkeyenabled;
ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 61
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227 SDL_Color m_colorkey;
653
01acc9fc35ea * Moved getCurrentScreenMode() to the renderbackend as renderbackend is what initializes the screen.
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228 ScreenMode m_screenMode;
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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229 };
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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230 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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231
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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232 #endif