Mercurial > sdl-ios-xcode
annotate include/SDL_video.h @ 1735:8dd28c4ef746 SDL-1.3
SDL_Rect now uses int for position and size.
Added a few more rectangle functions.
Added a dirty rectangle list implementation.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 10 Jul 2006 07:34:50 +0000 |
| parents | f7c667ded87d |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
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13 Lesser General Public License for more details. |
| 0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
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23 /** |
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24 * \file SDL_video.h |
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25 * |
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26 * Header file for access to the SDL raw framebuffer window |
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27 */ |
| 0 | 28 |
| 29 #ifndef _SDL_video_h | |
| 30 #define _SDL_video_h | |
| 31 | |
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32 #include "SDL_stdinc.h" |
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33 #include "SDL_error.h" |
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34 #include "SDL_pixels.h" |
| 0 | 35 #include "SDL_rwops.h" |
| 36 | |
| 37 #include "begin_code.h" | |
| 38 /* Set up for C function definitions, even when using C++ */ | |
| 39 #ifdef __cplusplus | |
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40 /* *INDENT-OFF* */ |
| 0 | 41 extern "C" { |
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42 /* *INDENT-ON* */ |
| 0 | 43 #endif |
| 44 | |
| 45 /* Transparency definitions: These define alpha as the opacity of a surface */ | |
| 46 #define SDL_ALPHA_OPAQUE 255 | |
| 47 #define SDL_ALPHA_TRANSPARENT 0 | |
| 48 | |
| 1670 | 49 /** |
| 50 * \struct SDL_Rect | |
| 51 * | |
| 52 * \brief A rectangle, with the origin at the upper left. | |
| 53 */ | |
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54 typedef struct SDL_Rect |
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55 { |
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56 int x, y; |
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57 int w, h; |
| 0 | 58 } SDL_Rect; |
| 59 | |
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60 /** |
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61 * \struct SDL_DisplayMode |
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62 * |
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63 * \brief The structure that defines a display mode |
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64 * |
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65 * \sa SDL_GetNumDisplayModes() |
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66 * \sa SDL_GetDisplayMode() |
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67 * \sa SDL_GetDesktopDisplayMode() |
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68 * \sa SDL_GetCurrentDisplayMode() |
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69 * \sa SDL_GetClosestDisplayMode() |
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70 * \sa SDL_SetDisplayMode() |
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71 */ |
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72 typedef struct |
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73 { |
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74 Uint32 format; /**< pixel format */ |
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75 int w; /**< width */ |
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76 int h; /**< height */ |
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77 int refresh_rate; /**< refresh rate (or zero for unspecified) */ |
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78 void *driverdata; /**< driver-specific data, initialize to 0 */ |
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79 } SDL_DisplayMode; |
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80 |
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81 /** |
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82 * \typedef SDL_WindowID |
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83 * |
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84 * \brief The type used to identify a window |
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85 * |
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86 * \sa SDL_CreateWindow() |
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87 * \sa SDL_CreateWindowFrom() |
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88 * \sa SDL_DestroyWindow() |
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89 * \sa SDL_GetWindowData() |
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90 * \sa SDL_GetWindowFlags() |
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91 * \sa SDL_GetWindowGrab() |
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92 * \sa SDL_GetWindowPosition() |
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93 * \sa SDL_GetWindowSize() |
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94 * \sa SDL_GetWindowTitle() |
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95 * \sa SDL_HideWindow() |
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96 * \sa SDL_MaximizeWindow() |
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97 * \sa SDL_MinimizeWindow() |
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98 * \sa SDL_RaiseWindow() |
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99 * \sa SDL_RestoreWindow() |
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100 * \sa SDL_SetWindowData() |
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101 * \sa SDL_SetWindowFullscreen() |
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102 * \sa SDL_SetWindowGrab() |
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103 * \sa SDL_SetWindowIcon() |
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104 * \sa SDL_SetWindowPosition() |
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105 * \sa SDL_SetWindowSize() |
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106 * \sa SDL_SetWindowTitle() |
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107 * \sa SDL_ShowWindow() |
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108 */ |
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109 typedef Uint32 SDL_WindowID; |
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110 |
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111 /** |
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112 * \enum SDL_WindowFlags |
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113 * |
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114 * \brief The flags on a window |
| 1670 | 115 * |
| 116 * \sa SDL_GetWindowFlags() | |
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117 */ |
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118 typedef enum |
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119 { |
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120 SDL_WINDOW_FULLSCREEN = 0x00000001, /**< fullscreen window, implies borderless */ |
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121 SDL_WINDOW_OPENGL = 0x00000002, /**< window usable with OpenGL context */ |
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122 SDL_WINDOW_SHOWN = 0x00000004, /**< window is visible */ |
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123 SDL_WINDOW_BORDERLESS = 0x00000008, /**< no window decoration */ |
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124 SDL_WINDOW_RESIZABLE = 0x00000010, /**< window can be resized */ |
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125 SDL_WINDOW_MINIMIZED = 0x00000020, /**< minimized */ |
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126 SDL_WINDOW_MAXIMIZED = 0x00000040, /**< maximized */ |
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127 SDL_WINDOW_INPUT_GRABBED = 0x00000100, /**< window has grabbed input focus */ |
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128 SDL_WINDOW_INPUT_FOCUS = 0x00000200, /**< window has input focus */ |
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129 SDL_WINDOW_MOUSE_FOCUS = 0x00000400, /**< window has mouse focus */ |
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130 } SDL_WindowFlags; |
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131 |
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132 /** |
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133 * \def SDL_WINDOWPOS_UNDEFINED |
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134 * \brief Used to indicate that you don't care what the window position is. |
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135 */ |
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136 #define SDL_WINDOWPOS_UNDEFINED 0x7FFFFFF |
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137 /** |
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138 * \def SDL_WINDOWPOS_CENTERED |
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139 * \brief Used to indicate that the window position should be centered. |
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140 */ |
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141 #define SDL_WINDOWPOS_CENTERED 0x7FFFFFE |
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142 |
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143 /** |
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144 * \enum SDL_WindowEventID |
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145 * |
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146 * \brief Event subtype for window events |
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147 */ |
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148 typedef enum |
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149 { |
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150 SDL_WINDOWEVENT_NONE, /**< Never used */ |
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151 SDL_WINDOWEVENT_SHOWN, /**< Window has been shown */ |
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152 SDL_WINDOWEVENT_HIDDEN, /**< Window has been hidden */ |
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153 SDL_WINDOWEVENT_EXPOSED, /**< Window has been exposed and should be redrawn */ |
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154 SDL_WINDOWEVENT_MOVED, /**< Window has been moved to data1,data2 */ |
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155 SDL_WINDOWEVENT_RESIZED, /**< Window size changed to data1xdata2 */ |
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156 SDL_WINDOWEVENT_MINIMIZED, /**< Window has been minimized */ |
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157 SDL_WINDOWEVENT_MAXIMIZED, /**< Window has been maximized */ |
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158 SDL_WINDOWEVENT_RESTORED, /**< Window has been restored to normal size and position */ |
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159 SDL_WINDOWEVENT_ENTER, /**< The window has gained mouse focus */ |
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160 SDL_WINDOWEVENT_LEAVE, /**< The window has lost mouse focus */ |
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161 SDL_WINDOWEVENT_FOCUS_GAINED, /**< The window has gained keyboard focus */ |
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162 SDL_WINDOWEVENT_FOCUS_LOST, /**< The window has lost keyboard focus */ |
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163 SDL_WINDOWEVENT_CLOSE, /**< The window manager requests that the window be closed */ |
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164 } SDL_WindowEventID; |
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165 |
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166 /** |
| 1670 | 167 * \enum SDL_RendererFlags |
| 168 * | |
| 169 * \brief Flags used when initializing a render manager. | |
| 170 */ | |
| 171 typedef enum | |
| 172 { | |
| 173 SDL_Renderer_PresentDiscard = 0x00000001, /**< Present leaves the contents of the backbuffer undefined */ | |
| 174 SDL_Renderer_PresentCopy = 0x00000002, /**< Present uses a copy from back buffer to the front buffer */ | |
| 175 SDL_Renderer_PresentFlip2 = 0x00000004, /**< Present uses a flip, swapping back buffer and front buffer */ | |
| 176 SDL_Renderer_PresentFlip3 = 0x00000008, /**< Present uses a flip, rotating between two back buffers and a front buffer */ | |
| 177 SDL_Renderer_PresentVSync = 0x00000010, /**< Present is synchronized with the refresh rate */ | |
| 178 SDL_Renderer_RenderTarget = 0x00000020, /**< The renderer can create texture render targets */ | |
| 179 SDL_Renderer_Accelerated = 0x00000040, /**< The renderer uses hardware acceleration */ | |
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180 SDL_Renderer_ = 0x00000080, /**< The renderer uses hardware acceleration */ |
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181 SDL_Renderer_Minimal = 0x00000100, /**< The renderer only supports the read/write pixel and present functions */ |
| 1670 | 182 } SDL_RendererFlags; |
| 183 | |
| 184 /** | |
| 185 * \struct SDL_RendererInfo | |
| 186 * | |
| 187 * \brief Information on the capabilities of a render manager. | |
| 188 */ | |
| 189 typedef struct SDL_RendererInfo | |
| 190 { | |
| 191 const char *name; /**< The name of the renderer */ | |
| 192 Uint32 flags; /**< Supported SDL_RendererFlags */ | |
| 193 Uint32 blend_modes; /**< A mask of supported blend modes */ | |
| 194 Uint32 scale_modes; /**< A mask of supported scale modes */ | |
| 195 Uint32 num_texture_formats; /**< The number of available texture formats */ | |
| 196 Uint32 texture_formats[32]; /**< The available texture formats */ | |
| 197 int max_texture_width; /**< The maximimum texture width */ | |
| 198 int max_texture_height; /**< The maximimum texture height */ | |
| 199 } SDL_RendererInfo; | |
| 200 | |
| 201 /** | |
| 202 * \enum SDL_TextureAccess | |
| 203 * | |
| 204 * \brief The access pattern allowed for a texture | |
| 205 */ | |
| 206 typedef enum | |
| 207 { | |
| 208 SDL_TextureAccess_Render, /**< Unlockable video memory, rendering allowed */ | |
| 209 SDL_TextureAccess_Remote, /**< Unlockable video memory */ | |
| 210 SDL_TextureAccess_Local, /**< Lockable system memory */ | |
| 211 } SDL_TextureAccess; | |
| 212 | |
| 213 /** | |
| 214 * \enum SDL_TextureBlendMode | |
| 215 * | |
| 216 * \brief The blend mode used in SDL_RenderCopy() | |
| 217 */ | |
| 218 typedef enum | |
| 219 { | |
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220 SDL_TextureBlendMode_None = 0x00000000, /**< No blending */ |
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221 SDL_TextureBlendMode_Mask = 0x00000001, /**< dst = A ? src : dst (alpha is mask) */ |
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222 SDL_TextureBlendMode_Blend = 0x00000002, /**< dst = (src * A) + (dst * (1-A)) */ |
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223 SDL_TextureBlendMode_Add = 0x00000004, /**< dst = (src * A) + dst */ |
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224 SDL_TextureBlendMode_Mod = 0x00000008, /**< dst = src * dst */ |
| 1670 | 225 } SDL_TextureBlendMode; |
| 226 | |
| 227 /** | |
| 228 * \enum SDL_TextureScaleMode | |
| 229 * | |
| 230 * \brief The scale mode used in SDL_RenderCopy() | |
| 231 */ | |
| 232 typedef enum | |
| 233 { | |
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234 SDL_TextureScaleMode_None = 0x00000000, /**< No scaling, rectangles must match dimensions */ |
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235 SDL_TextureScaleMode_Fast = 0x00000001, /**< Point sampling or equivalent algorithm */ |
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236 SDL_TextureScaleMode_Slow = 0x00000002, /**< Linear filtering or equivalent algorithm */ |
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237 SDL_TextureScaleMode_Best = 0x00000004, /**< Bicubic filtering or equivalent algorithm */ |
| 1670 | 238 } SDL_TextureScaleMode; |
| 239 | |
| 240 /** | |
| 241 * \typedef SDL_TextureID | |
| 242 * | |
| 243 * \brief An efficient driver-specific representation of pixel data | |
| 244 */ | |
| 245 typedef Uint32 SDL_TextureID; | |
| 246 | |
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247 /** |
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248 * \typedef SDL_GLContext |
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249 * |
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250 * \brief An opaque handle to an OpenGL context. |
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251 */ |
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252 typedef void *SDL_GLContext; |
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253 |
| 1670 | 254 |
| 255 /* These are the currently supported flags for the SDL_surface */ | |
| 256 /* Used internally (read-only) */ | |
| 257 #define SDL_HWSURFACE 0x00000001 /* Surface represents a texture */ | |
| 258 #define SDL_PREALLOC 0x00000002 /* Surface uses preallocated memory */ | |
| 259 #define SDL_SRCALPHA 0x00000004 /* Blit uses source alpha blending */ | |
| 260 #define SDL_SRCCOLORKEY 0x00000008 /* Blit uses a source color key */ | |
| 261 #define SDL_RLEACCELOK 0x00000010 /* Private flag */ | |
| 262 #define SDL_RLEACCEL 0x00000020 /* Surface is RLE encoded */ | |
| 263 | |
| 264 /* Evaluates to true if the surface needs to be locked before access */ | |
| 265 #define SDL_MUSTLOCK(S) (((S)->flags & (SDL_HWSURFACE|SDL_RLEACCEL)) != 0) | |
| 266 | |
| 267 /* This structure should be treated as read-only, except for 'pixels', | |
| 268 which, if not NULL, contains the raw pixel data for the surface. | |
| 269 */ | |
| 270 typedef struct SDL_Surface | |
| 271 { | |
| 272 Uint32 flags; /* Read-only */ | |
| 273 SDL_PixelFormat *format; /* Read-only */ | |
| 274 int w, h; /* Read-only */ | |
| 275 int pitch; /* Read-only */ | |
| 276 void *pixels; /* Read-write */ | |
| 277 | |
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278 /* texture associated with the surface, if any */ |
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279 SDL_TextureID textureID; |
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280 |
| 1670 | 281 /* information needed for surfaces requiring locks */ |
| 282 int locked; | |
| 283 void *lock_data; | |
| 284 | |
| 285 /* clipping information */ | |
| 286 SDL_Rect clip_rect; /* Read-only */ | |
| 287 | |
| 288 /* info for fast blit mapping to other surfaces */ | |
| 289 struct SDL_BlitMap *map; /* Private */ | |
| 290 | |
| 291 /* format version, bumped at every change to invalidate blit maps */ | |
| 292 unsigned int format_version; /* Private */ | |
| 293 | |
| 294 /* Reference count -- used when freeing surface */ | |
| 295 int refcount; /* Read-mostly */ | |
| 296 } SDL_Surface; | |
| 297 | |
| 298 /* typedef for private surface blitting functions */ | |
| 299 typedef int (*SDL_blit) (struct SDL_Surface * src, SDL_Rect * srcrect, | |
| 300 struct SDL_Surface * dst, SDL_Rect * dstrect); | |
| 301 | |
| 302 | |
| 303 /** | |
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304 * \enum SDL_GLattr |
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305 * |
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306 * \brief OpenGL configuration attributes |
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307 */ |
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308 typedef enum |
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309 { |
| 0 | 310 SDL_GL_RED_SIZE, |
| 311 SDL_GL_GREEN_SIZE, | |
| 312 SDL_GL_BLUE_SIZE, | |
| 313 SDL_GL_ALPHA_SIZE, | |
| 314 SDL_GL_BUFFER_SIZE, | |
| 315 SDL_GL_DOUBLEBUFFER, | |
| 316 SDL_GL_DEPTH_SIZE, | |
| 317 SDL_GL_STENCIL_SIZE, | |
| 318 SDL_GL_ACCUM_RED_SIZE, | |
| 319 SDL_GL_ACCUM_GREEN_SIZE, | |
| 320 SDL_GL_ACCUM_BLUE_SIZE, | |
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321 SDL_GL_ACCUM_ALPHA_SIZE, |
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322 SDL_GL_STEREO, |
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323 SDL_GL_MULTISAMPLEBUFFERS, |
| 1656 | 324 SDL_GL_MULTISAMPLESAMPLES, |
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325 SDL_GL_ACCELERATED_VISUAL |
| 0 | 326 } SDL_GLattr; |
| 327 | |
| 328 | |
| 329 /* Function prototypes */ | |
| 330 | |
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331 /** |
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332 * \fn int SDL_GetNumVideoDrivers(void) |
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333 * |
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334 * \brief Get the number of video drivers compiled into SDL |
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335 * |
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336 * \sa SDL_GetVideoDriver() |
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337 */ |
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338 extern DECLSPEC int SDLCALL SDL_GetNumVideoDrivers(void); |
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339 |
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340 /** |
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341 * \fn const char *SDL_GetVideoDriver(int index) |
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342 * |
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343 * \brief Get the name of a built in video driver. |
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344 * |
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345 * \note The video drivers are presented in the order in which they are |
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346 * normally checked during initialization. |
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347 * |
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348 * \sa SDL_GetNumVideoDrivers() |
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349 */ |
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350 extern DECLSPEC const char *SDLCALL SDL_GetVideoDriver(int index); |
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351 |
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352 /** |
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353 * \fn int SDL_VideoInit(const char *driver_name, Uint32 flags) |
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354 * |
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355 * \brief Initialize the video subsystem, optionally specifying a video driver. |
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356 * |
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357 * \param driver_name Initialize a specific driver by name, or NULL for the default video driver. |
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358 * \param flags FIXME: Still needed? |
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359 * |
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360 * \return 0 on success, -1 on error |
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361 * |
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362 * This function initializes the video subsystem; setting up a connection |
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363 * to the window manager, etc, and determines the available display modes |
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364 * and pixel formats, but does not initialize a window or graphics mode. |
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365 * |
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366 * \sa SDL_VideoQuit() |
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367 */ |
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368 extern DECLSPEC int SDLCALL SDL_VideoInit(const char *driver_name, |
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369 Uint32 flags); |
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370 |
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371 /** |
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372 * \fn void SDL_VideoQuit(void) |
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373 * |
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374 * \brief Shuts down the video subsystem. |
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375 * |
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376 * This function closes all windows, and restores the original video mode. |
| 0 | 377 * |
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378 * \sa SDL_VideoInit() |
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379 */ |
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380 extern DECLSPEC void SDLCALL SDL_VideoQuit(void); |
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381 |
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382 /** |
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383 * \fn const char *SDL_GetCurrentVideoDriver(void) |
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384 * |
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385 * \brief Returns the name of the currently initialized video driver. |
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386 * |
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387 * \return The name of the current video driver or NULL if no driver |
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388 * has been initialized |
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389 * |
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390 * \sa SDL_GetNumVideoDrivers() |
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391 * \sa SDL_GetVideoDriver() |
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392 */ |
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393 extern DECLSPEC const char *SDLCALL SDL_GetCurrentVideoDriver(void); |
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394 |
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395 /** |
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396 * \fn int SDL_GetNumVideoDisplays(void) |
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397 * |
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398 * \brief Returns the number of available video displays. |
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399 * |
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400 * \sa SDL_SelectVideoDisplay() |
| 0 | 401 */ |
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402 extern DECLSPEC int SDLCALL SDL_GetNumVideoDisplays(void); |
| 0 | 403 |
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404 /** |
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405 * \fn int SDL_SelectVideoDisplay(int index) |
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406 * |
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407 * \brief Set the index of the currently selected display. |
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408 * |
| 1670 | 409 * \return The index of the currently selected display. |
| 410 * | |
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411 * \note You can query the currently selected display by passing an index of -1. |
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412 * |
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413 * \sa SDL_GetNumVideoDisplays() |
| 0 | 414 */ |
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415 extern DECLSPEC int SDLCALL SDL_SelectVideoDisplay(int index); |
| 0 | 416 |
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417 /** |
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418 * \fn int SDL_GetNumDisplayModes(void) |
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419 * |
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420 * \brief Returns the number of available display modes for the current display. |
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421 * |
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422 * \sa SDL_GetDisplayMode() |
| 0 | 423 */ |
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424 extern DECLSPEC int SDLCALL SDL_GetNumDisplayModes(void); |
| 0 | 425 |
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426 /** |
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427 * \fn const SDL_DisplayMode *SDL_GetDisplayMode(int index) |
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428 * |
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429 * \brief Retrieve information about a specific display mode. |
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430 * |
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431 * \note The display modes are sorted in this priority: |
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432 * \li bits per pixel -> more colors to fewer colors |
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433 * \li width -> largest to smallest |
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434 * \li height -> largest to smallest |
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435 * \li refresh rate -> highest to lowest |
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436 * |
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437 * \sa SDL_GetNumDisplayModes() |
| 0 | 438 */ |
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439 extern DECLSPEC const SDL_DisplayMode *SDLCALL SDL_GetDisplayMode(int index); |
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440 |
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441 /** |
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442 * \fn const SDL_DisplayMode *SDL_GetDesktopDisplayMode(void) |
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443 * |
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444 * \brief Retrieve information about the desktop display mode for the current display. |
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445 */ |
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446 extern DECLSPEC const SDL_DisplayMode *SDLCALL |
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447 SDL_GetDesktopDisplayMode(void); |
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448 |
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449 /** |
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450 * \fn const SDL_DisplayMode *SDL_GetCurrentDisplayMode(void) |
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451 * |
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452 * \brief Retrieve information about the current display mode. |
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453 */ |
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454 extern DECLSPEC const SDL_DisplayMode *SDLCALL |
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455 SDL_GetCurrentDisplayMode(void); |
| 0 | 456 |
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457 /** |
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458 * \fn SDL_DisplayMode *SDL_GetClosestDisplayMode(const SDL_DisplayMode *mode, SDL_DisplayMode *closest) |
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459 * |
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460 * \brief Get the closest match to the requested display mode. |
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461 * |
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462 * \param mode The desired display mode |
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463 * \param closest A pointer to a display mode to be filled in with the closest match of the available display modes. |
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464 * |
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465 * \return The passed in value 'closest', or NULL if no matching video mode was available. |
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466 * |
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467 * The available display modes are scanned, and 'closest' is filled in with the closest mode matching the requested mode and returned. The mode format and refresh_rate default to the desktop mode if they are 0. The modes are scanned with size being first priority, format being second priority, and finally checking the refresh_rate. If all the available modes are too small, then NULL is returned. |
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468 * |
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469 * \sa SDL_GetNumDisplayModes() |
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470 * \sa SDL_GetDisplayMode() |
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471 */ |
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472 extern DECLSPEC SDL_DisplayMode *SDLCALL SDL_GetClosestDisplayMode(const |
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473 SDL_DisplayMode |
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474 * mode, |
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475 SDL_DisplayMode |
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476 * closest); |
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477 |
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478 /** |
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479 * \fn int SDL_SetFullscreenDisplayMode(const SDL_DisplayMode *mode) |
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480 * |
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481 * \brief Set the display mode used when a fullscreen window is visible |
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482 * on the currently selected display. |
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483 * |
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484 * \param mode The mode to use, or NULL for the desktop mode. |
| 0 | 485 * |
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486 * \return 0 on success, or -1 if setting the display mode failed. |
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487 * |
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488 * \sa SDL_SetWindowFullscreen() |
| 0 | 489 */ |
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490 extern DECLSPEC int SDLCALL SDL_SetFullscreenDisplayMode(const SDL_DisplayMode |
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491 * mode); |
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492 |
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493 /** |
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494 * \fn const SDL_DisplayMode *SDL_GetFullscreenDisplayMode(void) |
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495 * |
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496 * \brief Query the display mode used when a fullscreen window is visible |
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497 * on the currently selected display. |
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498 */ |
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499 extern DECLSPEC const SDL_DisplayMode *SDLCALL |
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500 SDL_GetFullscreenDisplayMode(void); |
| 0 | 501 |
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502 /** |
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503 * \fn int SDL_SetDisplayPalette(const SDL_Color *colors, int firstcolor, int ncolors) |
| 1670 | 504 * |
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505 * \brief Set the palette entries for indexed display modes. |
| 1670 | 506 * |
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507 * \return 0 on success, or -1 if the display mode isn't palettized or the colors couldn't be set. |
| 1670 | 508 */ |
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509 extern DECLSPEC int SDLCALL SDL_SetDisplayPalette(const SDL_Color * colors, |
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510 int firstcolor, |
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511 int ncolors); |
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512 |
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513 /** |
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514 * \fn int SDL_GetDisplayPalette(SDL_Color *colors, int firstcolor, int ncolors) |
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515 * |
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516 * \brief Gets the palette entries for indexed display modes. |
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517 * |
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518 * \return 0 on success, or -1 if the display mode isn't palettized |
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519 */ |
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520 extern DECLSPEC int SDLCALL SDL_GetDisplayPalette(SDL_Color * colors, |
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521 int firstcolor, |
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522 int ncolors); |
| 1670 | 523 |
| 524 /** | |
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525 * \fn int SDL_SetGamma(float red, float green, float blue) |
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526 * |
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527 * \brief Set the gamma correction for each of the color channels on the currently selected display. |
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528 * |
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529 * \return 0 on success, or -1 if setting the gamma isn't supported. |
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530 * |
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531 * \sa SDL_SetGammaRamp() |
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532 */ |
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533 extern DECLSPEC int SDLCALL SDL_SetGamma(float red, float green, float blue); |
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534 |
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535 /** |
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536 * \fn int SDL_SetGammaRamp(const Uint16 * red, const Uint16 * green, const Uint16 * blue) |
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537 * |
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538 * \brief Set the gamma ramp for the currently selected display. |
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539 * |
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540 * \param red The translation table for the red channel, or NULL |
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541 * \param green The translation table for the green channel, or NULL |
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542 * \param blue The translation table for the blue channel, or NULL |
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543 * |
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544 * \return 0 on success, or -1 if gamma ramps are unsupported. |
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545 * |
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546 * Set the gamma translation table for the red, green, and blue channels |
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547 * of the video hardware. Each table is an array of 256 16-bit quantities, |
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548 * representing a mapping between the input and output for that channel. |
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549 * The input is the index into the array, and the output is the 16-bit |
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550 * gamma value at that index, scaled to the output color precision. |
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551 * |
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552 * \sa SDL_GetGammaRamp() |
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553 */ |
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554 extern DECLSPEC int SDLCALL SDL_SetGammaRamp(const Uint16 * red, |
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555 const Uint16 * green, |
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556 const Uint16 * blue); |
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557 |
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558 /** |
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559 * \fn int SDL_GetGammaRamp(Uint16 * red, Uint16 * green, Uint16 * blue) |
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560 * |
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561 * \brief Get the gamma ramp for the currently selected display. |
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562 * |
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563 * \param red A pointer to a 256 element array of 16-bit quantities to hold the translation table for the red channel, or NULL. |
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564 * \param green A pointer to a 256 element array of 16-bit quantities to hold the translation table for the green channel, or NULL. |
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565 * \param blue A pointer to a 256 element array of 16-bit quantities to hold the translation table for the blue channel, or NULL. |
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566 * |
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567 * \return 0 on success, or -1 if gamma ramps are unsupported. |
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568 * |
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569 * \sa SDL_SetGammaRamp() |
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570 */ |
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571 extern DECLSPEC int SDLCALL SDL_GetGammaRamp(Uint16 * red, Uint16 * green, |
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572 Uint16 * blue); |
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573 |
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574 |
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575 /** |
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576 * \fn SDL_WindowID SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags) |
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577 * |
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578 * \brief Create a window with the specified position, dimensions, and flags. |
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579 * |
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580 * \param title The title of the window |
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581 * \param x The x position of the window |
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582 * \param y The y position of the window |
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583 * \param w The width of the window |
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584 * \param h The height of the window |
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585 * \param flags The flags for the window, a mask of any of the following: SDL_WINDOW_FULLSCREEN, SDL_WINDOW_OPENGL, SDL_WINDOW_SHOWN, SDL_WINDOW_BORDERLESS, SDL_WINDOW_RESIZABLE, SDL_WINDOW_MAXIMIZED, SDL_WINDOW_MINIMIZED, SDL_WINDOW_INPUT_GRABBED |
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586 * |
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587 * \return The id of the window created, or zero if window creation failed. |
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588 * |
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589 * \note Setting the position to -1, -1, indicates any position is fine. |
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590 * |
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591 * \sa SDL_DestroyWindow() |
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592 */ |
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593 extern DECLSPEC SDL_WindowID SDLCALL SDL_CreateWindow(const char *title, |
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594 int x, int y, int w, |
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595 int h, Uint32 flags); |
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596 |
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597 /** |
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598 * \fn SDL_WindowID SDL_CreateWindowFrom(void *data) |
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599 * |
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600 * \brief Create an SDL window struct from an existing native window. |
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601 * |
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602 * \param data A pointer to driver-dependent window creation data |
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603 * |
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604 * \return The id of the window created, or zero if window creation failed. |
| 0 | 605 * |
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606 * \warning This function is NOT SUPPORTED, use at your own risk! |
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607 * |
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608 * \sa SDL_DestroyWindow() |
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609 */ |
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610 extern DECLSPEC SDL_WindowID SDLCALL SDL_CreateWindowFrom(const void *data); |
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611 |
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612 /** |
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613 * \fn Uint32 SDL_GetWindowFlags(SDL_WindowID windowID) |
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614 * |
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615 * \brief Get the window flags. |
| 0 | 616 */ |
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617 extern DECLSPEC Uint32 SDLCALL SDL_GetWindowFlags(SDL_WindowID windowID); |
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618 |
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619 /** |
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620 * \fn void SDL_SetWindowTitle(SDL_WindowID windowID, const char *title) |
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621 * |
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622 * \brief Set the title of the window, in UTF-8 format. |
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623 * |
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624 * \sa SDL_GetWindowTitle() |
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625 */ |
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626 extern DECLSPEC void SDLCALL SDL_SetWindowTitle(SDL_WindowID windowID, |
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627 const char *title); |
| 0 | 628 |
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629 /** |
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630 * \fn const char *SDL_GetWindowTitle(SDL_WindowID windowID) |
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631 * |
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632 * \brief Get the title of the window, in UTF-8 format. |
| 0 | 633 * |
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634 * \sa SDL_SetWindowTitle() |
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635 */ |
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636 extern DECLSPEC const char *SDLCALL SDL_GetWindowTitle(SDL_WindowID windowID); |
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637 |
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638 /** |
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639 * \fn void SDL_SetWindowIcon(SDL_Surface *icon) |
| 0 | 640 * |
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641 * \brief Set the icon of the window. |
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642 * |
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643 * \param icon The icon for the window |
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644 * |
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645 * FIXME: The icon needs to be set before the window is first shown. Should some icon representation be part of the window creation data? |
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646 */ |
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647 extern DECLSPEC void SDLCALL SDL_SetWindowIcon(SDL_Surface * icon); |
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648 |
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649 /** |
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650 * \fn void SDL_SetWindowData(SDL_WindowID windowID, void *userdata) |
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651 * |
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652 * \brief Associate an arbitrary pointer with the window. |
| 0 | 653 * |
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654 * \sa SDL_GetWindowData() |
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655 */ |
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656 extern DECLSPEC void SDLCALL SDL_SetWindowData(SDL_WindowID windowID, |
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657 void *userdata); |
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658 |
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659 /** |
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660 * \fn void *SDL_GetWindowData(SDL_WindowID windowID) |
| 0 | 661 * |
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662 * \brief Retrieve the data pointer associated with the window. |
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663 * |
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664 * \sa SDL_SetWindowData() |
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665 */ |
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666 extern DECLSPEC void *SDLCALL SDL_GetWindowData(SDL_WindowID windowID); |
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667 |
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668 /** |
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669 * \fn void SDL_SetWindowPosition(SDL_WindowID windowID, int x, int y) |
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670 * |
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671 * \brief Set the position of the window. |
| 0 | 672 * |
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673 * \param windowID The window to reposition |
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674 * \param x The x coordinate of the window, SDL_WINDOWPOS_CENTERED, or SDL_WINDOWPOS_UNDEFINED |
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675 * \param y The y coordinate of the window, SDL_WINDOWPOS_CENTERED, or SDL_WINDOWPOS_UNDEFINED |
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676 * |
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677 * \note The window coordinate origin is the upper left of the display. |
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678 * |
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679 * \sa SDL_GetWindowPosition() |
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680 */ |
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681 extern DECLSPEC void SDLCALL SDL_SetWindowPosition(SDL_WindowID windowID, |
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682 int x, int y); |
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683 |
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684 /** |
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685 * \fn void SDL_GetWindowPosition(SDL_WindowID windowID, int *x, int *y) |
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686 * |
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687 * \brief Get the position of the window. |
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688 * |
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689 * \sa SDL_SetWindowPosition() |
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690 */ |
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691 extern DECLSPEC void SDLCALL SDL_GetWindowPosition(SDL_WindowID windowID, |
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692 int *x, int *y); |
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693 |
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694 /** |
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695 * \fn void SDL_SetWindowSize(SDL_WindowID windowID, int w, int w) |
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696 * |
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697 * \brief Set the size of the window's client area. |
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698 * |
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699 * \note You can't change the size of a fullscreen window, it automatically |
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700 * matches the size of the display mode. |
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701 * |
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702 * \sa SDL_GetWindowSize() |
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703 */ |
|
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704 extern DECLSPEC void SDLCALL SDL_SetWindowSize(SDL_WindowID windowID, int w, |
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705 int h); |
|
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706 |
|
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|
707 /** |
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|
708 * \fn void SDL_GetWindowSize(SDL_WindowID windowID, int *w, int *w) |
| 0 | 709 * |
|
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710 * \brief Get the size of the window's client area. |
|
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711 * |
|
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712 * \sa SDL_SetWindowSize() |
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713 */ |
|
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714 extern DECLSPEC void SDLCALL SDL_GetWindowSize(SDL_WindowID windowID, int *w, |
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715 int *h); |
|
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716 |
|
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717 /** |
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718 * \fn void SDL_ShowWindow(SDL_WindowID windowID) |
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719 * |
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720 * \brief Show the window |
|
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721 * |
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722 * \sa SDL_HideWindow() |
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723 */ |
|
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724 extern DECLSPEC void SDLCALL SDL_ShowWindow(SDL_WindowID windowID); |
|
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725 |
|
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|
726 /** |
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727 * \fn void SDL_HideWindow(SDL_WindowID windowID) |
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728 * |
|
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|
729 * \brief Hide the window |
| 0 | 730 * |
|
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731 * \sa SDL_ShowWindow() |
|
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732 */ |
|
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733 extern DECLSPEC void SDLCALL SDL_HideWindow(SDL_WindowID windowID); |
|
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734 |
|
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|
735 /** |
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736 * \fn void SDL_RaiseWindow(SDL_WindowID windowID) |
|
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|
737 * |
|
1734
f7c667ded87d
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|
738 * \brief Raise the window above other windows and set the input focus. |
|
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739 */ |
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740 extern DECLSPEC void SDLCALL SDL_RaiseWindow(SDL_WindowID windowID); |
|
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741 |
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742 /** |
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743 * \fn void SDL_MaximizeWindow(SDL_WindowID windowID) |
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744 * |
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745 * \brief Make the window as large as possible. |
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746 * |
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747 * \sa SDL_RestoreWindow() |
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748 */ |
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749 extern DECLSPEC void SDLCALL SDL_MaximizeWindow(SDL_WindowID windowID); |
|
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|
750 |
|
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|
751 /** |
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752 * \fn void SDL_MinimizeWindow(SDL_WindowID windowID) |
|
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753 * |
|
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|
754 * \brief Minimize the window to an iconic representation. |
| 0 | 755 * |
|
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756 * \sa SDL_RestoreWindow() |
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757 */ |
|
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758 extern DECLSPEC void SDLCALL SDL_MinimizeWindow(SDL_WindowID windowID); |
|
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|
759 |
|
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|
760 /** |
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761 * \fn void SDL_RestoreWindow(SDL_WindowID windowID) |
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762 * |
|
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763 * \brief Restore the size and position of a minimized or maximized window. |
| 0 | 764 * |
|
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765 * \sa SDL_MaximizeWindow() |
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766 * \sa SDL_MinimizeWindow() |
|
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767 */ |
|
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768 extern DECLSPEC void SDLCALL SDL_RestoreWindow(SDL_WindowID windowID); |
|
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769 |
|
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|
770 /** |
|
1733
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|
771 * \fn int SDL_SetWindowFullscreen(SDL_WindowID windowID, int fullscreen) |
|
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|
772 * |
|
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|
773 * \brief Set the window's fullscreen state. |
|
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774 * |
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775 * \return 0 on success, or -1 if setting the display mode failed. |
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776 * |
|
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777 * \sa SDL_SetFullscreenDisplayMode() |
|
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778 */ |
|
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779 extern DECLSPEC int SDLCALL SDL_SetWindowFullscreen(SDL_WindowID windowID, |
|
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780 int fullscreen); |
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781 |
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782 /** |
|
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783 * \fn void SDL_SetWindowGrab(SDL_WindowID windowID, int mode) |
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784 * |
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785 * \brief Set the window's input grab mode. |
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786 * |
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787 * \param mode This is 1 to grab input, and 0 to release input. |
| 0 | 788 * |
|
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789 * \sa SDL_GetWindowGrab() |
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790 */ |
|
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791 extern DECLSPEC void SDLCALL SDL_SetWindowGrab(SDL_WindowID windowID, |
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792 int mode); |
|
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793 |
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794 /** |
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795 * \fn int SDL_GetWindowGrab(SDL_WindowID windowID) |
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796 * |
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797 * \brief Get the window's input grab mode. |
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798 * |
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799 * \return This returns 1 if input is grabbed, and 0 otherwise. |
| 0 | 800 * |
|
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801 * \sa SDL_SetWindowGrab() |
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802 */ |
|
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803 extern DECLSPEC int SDLCALL SDL_GetWindowGrab(SDL_WindowID windowID); |
|
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804 |
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805 /** |
|
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806 * \fn SDL_bool SDL_GetWindowWMInfo(SDL_WindowID windowID, struct SDL_SysWMinfo * info) |
|
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807 * |
|
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808 * \brief Get driver specific information about a window. |
|
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809 * |
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810 * \note Include SDL_syswm.h for the declaration of SDL_SysWMinfo. |
|
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811 */ |
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812 struct SDL_SysWMinfo; |
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813 extern DECLSPEC SDL_bool SDLCALL SDL_GetWindowWMInfo(SDL_WindowID windowID, |
|
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814 struct SDL_SysWMinfo |
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815 *info); |
|
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816 |
|
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817 /** |
|
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818 * \fn void SDL_DestroyWindow(SDL_WindowID windowID) |
|
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819 * |
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820 * \brief Destroy a window. |
| 0 | 821 */ |
|
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822 extern DECLSPEC void SDLCALL SDL_DestroyWindow(SDL_WindowID windowID); |
|
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|
823 |
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|
824 /** |
| 1670 | 825 * \fn int SDL_GetNumRenderers(void) |
| 826 * | |
| 827 * \brief Get the number of render managers on the current display. | |
| 828 * | |
| 829 * A render manager is a set of code that handles rendering and texture | |
| 830 * management on a particular display. Normally there is only one, but | |
| 831 * some drivers may have several available with different capabilities. | |
| 832 * | |
| 833 * \sa SDL_GetRendererInfo() | |
| 834 * \sa SDL_CreateRenderer() | |
| 835 */ | |
| 836 extern DECLSPEC int SDLCALL SDL_GetNumRenderers(void); | |
| 837 | |
| 838 /** | |
| 839 * \fn SDL_RendererInfo *SDL_GetRendererInfo(int index) | |
| 840 * | |
| 841 * \brief Get information about a specific render manager on the current | |
| 842 * display. | |
| 843 * | |
| 844 * \sa SDL_CreateRenderer() | |
| 845 */ | |
| 846 extern DECLSPEC int SDLCALL SDL_GetRendererInfo(int index, | |
| 847 SDL_RendererInfo * info); | |
| 848 | |
| 849 /** | |
| 850 * \fn int SDL_CreateRenderer(SDL_WindowID window, int index, Uint32 flags) | |
| 851 * | |
| 852 * \brief Create and make active a 2D rendering context for a window. | |
| 853 * | |
|
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Sam Lantinga <slouken@libsdl.org>
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|
854 * \param windowID The window used for rendering |
| 1670 | 855 * \param index The index of the render manager to initialize, or -1 to initialize the first one supporting the requested flags. |
| 856 * \param flags SDL_RendererFlags | |
|
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|
857 * |
| 1670 | 858 * \return 0 on success, -1 if the flags were not supported, or -2 if |
| 859 * there isn't enough memory to support the requested flags | |
| 860 * | |
| 861 * \sa SDL_SelectRenderer() | |
| 862 * \sa SDL_DestroyRenderer() | |
| 863 */ | |
| 864 extern DECLSPEC int SDLCALL SDL_CreateRenderer(SDL_WindowID windowID, | |
| 865 int index, Uint32 flags); | |
| 866 | |
| 867 /** | |
| 868 * \fn int SDL_SelectRenderer(SDL_WindowID windowID) | |
| 869 * | |
| 870 * \brief Select the rendering context for a particular window. | |
| 871 * | |
| 872 * \return 0 on success, -1 if the selected window doesn't have a | |
| 873 * rendering context. | |
| 874 */ | |
| 875 extern DECLSPEC int SDLCALL SDL_SelectRenderer(SDL_WindowID windowID); | |
| 876 | |
| 877 /** | |
| 878 * \fn SDL_TextureID SDL_CreateTexture(Uint32 format, int access, int w, int h) | |
| 879 * | |
|
1706
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Added a multi-window version of testsprite using the new API.
Sam Lantinga <slouken@libsdl.org>
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880 * \brief Create a texture for the current rendering context. |
| 1670 | 881 * |
| 882 * \param format The format of the texture | |
| 883 * \param access One of the enumerated values in SDL_TextureAccess | |
| 884 * \param w The width of the texture in pixels | |
| 885 * \param h The height of the texture in pixels | |
| 886 * | |
| 887 * \return The created texture is returned, or 0 if no render manager was active, the format was unsupported, or the width or height were out of range. | |
| 888 * | |
| 889 * \sa SDL_QueryTexture() | |
| 890 * \sa SDL_DestroyTexture() | |
|
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|
891 */ |
| 1670 | 892 extern DECLSPEC SDL_TextureID SDLCALL SDL_CreateTexture(Uint32 format, |
| 893 int access, int w, | |
| 894 int h); | |
| 895 | |
| 896 /** | |
| 897 * \fn SDL_TextureID SDL_CreateTextureFromSurface(Uint32 format, int access, SDL_Surface *surface) | |
| 898 * | |
|
1678
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899 * \brief Create a texture from an existing surface. |
| 1670 | 900 * |
| 901 * \param format The format of the texture, or 0 to pick an appropriate format | |
| 902 * \param access One of the enumerated values in SDL_TextureAccess | |
| 903 * \param surface The surface containing pixel data used to fill the texture | |
| 904 * | |
| 905 * \return The created texture is returned, or 0 if no render manager was active, the format was unsupported, or the surface width or height were out of range. | |
| 906 * | |
| 907 * \note The surface is not modified or freed by this function. | |
| 908 * | |
| 909 * \sa SDL_QueryTexture() | |
| 910 * \sa SDL_DestroyTexture() | |
| 911 */ | |
| 912 extern DECLSPEC SDL_TextureID SDLCALL SDL_CreateTextureFromSurface(Uint32 | |
| 913 format, | |
| 914 int access, | |
| 915 SDL_Surface | |
| 916 * surface); | |
| 0 | 917 |
| 1670 | 918 /** |
| 919 * \fn int SDL_QueryTexture(SDL_TextureID textureID, Uint32 *format, int *access, int *w, int *h) | |
| 920 * | |
| 921 * \brief Query the attributes of a texture | |
| 922 * | |
| 923 * \param texture A texture to be queried | |
| 924 * \param format A pointer filled in with the raw format of the texture. The actual format may differ, but pixel transfers will use this format. | |
| 925 * \param access A pointer filled in with the actual access to the texture. | |
| 926 * \param w A pointer filled in with the width of the texture in pixels | |
| 927 * \param h A pointer filled in with the height of the texture in pixels | |
| 928 * | |
| 929 * \return 0 on success, or -1 if the texture is not valid | |
| 930 */ | |
| 931 extern DECLSPEC int SDLCALL SDL_QueryTexture(SDL_TextureID textureID, | |
| 932 Uint32 * format, int *access, | |
| 933 int *w, int *h); | |
| 934 | |
| 935 /** | |
|
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|
936 * \fn int SDL_QueryTexturePixels(SDL_TextureID textureID, void **pixels, int pitch) |
|
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937 * |
|
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938 * \brief Query the pixels of a texture, if the texture does not need to be locked for pixel access. |
|
90bf530ced8e
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939 * |
|
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940 * \param texture A texture to be queried, which was created with SDL_TextureAccess_Local |
|
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941 * \param pixels A pointer filled with a pointer to the pixels for the texture |
|
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942 * \param pitch A pointer filled in with the pitch of the pixel data |
|
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943 * |
|
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|
944 * \return 0 on success, or -1 if the texture is not valid, or must be locked for pixel access. |
|
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945 */ |
|
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|
946 extern DECLSPEC int SDLCALL SDL_QueryTexturePixels(SDL_TextureID textureID, |
|
90bf530ced8e
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|
947 void **pixels, int *pitch); |
|
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948 |
|
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|
949 /** |
|
1681
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Working on paletted display and texture support (two different issues)
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950 * \fn int SDL_SetTexturePalette(SDL_TextureID textureID, const SDL_Color * colors, int firstcolor, int ncolors) |
| 1670 | 951 * |
| 952 * \brief Update an indexed texture with a color palette | |
| 953 * | |
| 954 * \param texture The texture to update | |
| 955 * \param colors The array of RGB color data | |
| 956 * \param firstcolor The first index to update | |
| 957 * \param ncolors The number of palette entries to fill with the color data | |
| 958 * | |
| 959 * \return 0 on success, or -1 if the texture is not valid or not an indexed texture | |
| 960 */ | |
| 961 extern DECLSPEC int SDLCALL SDL_SetTexturePalette(SDL_TextureID textureID, | |
|
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|
962 const SDL_Color * colors, |
|
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|
963 int firstcolor, |
|
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|
964 int ncolors); |
|
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965 |
|
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966 /** |
|
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967 * \fn int SDL_GetTexturePalette(SDL_TextureID textureID, SDL_Color * colors, int firstcolor, int ncolors) |
|
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968 * |
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969 * \brief Update an indexed texture with a color palette |
|
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|
970 * |
|
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971 * \param texture The texture to update |
|
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972 * \param colors The array to fill with RGB color data |
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973 * \param firstcolor The first index to retrieve |
|
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974 * \param ncolors The number of palette entries to retrieve |
|
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975 * |
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976 * \return 0 on success, or -1 if the texture is not valid or not an indexed texture |
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977 */ |
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978 extern DECLSPEC int SDLCALL SDL_GetTexturePalette(SDL_TextureID textureID, |
| 1670 | 979 SDL_Color * colors, |
| 980 int firstcolor, | |
| 981 int ncolors); | |
| 982 | |
| 983 /** | |
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984 * \fn int SDL_UpdateTexture(SDL_TextureID textureID, const SDL_Rect *rect, const void *pixels, int pitch) |
| 1670 | 985 * |
| 986 * \brief Update the given texture rectangle with new pixel data. | |
| 987 * | |
| 988 * \param texture The texture to update | |
| 989 * \param rect A pointer to the rectangle of pixels to update, or NULL to update the entire texture. | |
| 990 * \param pixels The raw pixel data | |
| 991 * \param pitch The number of bytes between rows of pixel data | |
| 992 * | |
| 993 * \return 0 on success, or -1 if the texture is not valid | |
| 994 * | |
| 995 * \note This is a very slow function for textures not created with SDL_TextureAccess_Local. | |
| 0 | 996 */ |
| 1670 | 997 extern DECLSPEC int SDLCALL SDL_UpdateTexture(SDL_TextureID textureID, |
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998 const SDL_Rect * rect, |
| 1670 | 999 const void *pixels, int pitch); |
| 1000 | |
| 1001 /** | |
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1002 * \fn void SDL_LockTexture(SDL_TextureID textureID, const SDL_Rect *rect, int markDirty, void **pixels, int *pitch) |
| 1670 | 1003 * |
| 1004 * \brief Lock a portion of the texture for pixel access. | |
| 1005 * | |
| 1006 * \param texture The texture to lock for access, which must have been created with SDL_TextureAccess_Local. | |
| 1007 * \param rect A pointer to the rectangle to lock for access. If the rect is NULL, the entire texture will be locked. | |
| 1008 * \param markDirty If this is nonzero, the locked area will be marked dirty when the texture is unlocked. | |
| 1009 * \param pixels This is filled in with a pointer to the locked pixels, appropriately offset by the locked area. | |
| 1010 * \param pitch This is filled in with the pitch of the locked pixels. | |
| 1011 * | |
| 1012 * \return 0 on success, or -1 if the texture is not valid or was created with SDL_TextureAccess_Remote | |
| 1013 * | |
| 1014 * \sa SDL_DirtyTexture() | |
| 1015 * \sa SDL_UnlockTexture() | |
| 1016 */ | |
| 1017 extern DECLSPEC int SDLCALL SDL_LockTexture(SDL_TextureID textureID, | |
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1018 const SDL_Rect * rect, |
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1019 int markDirty, void **pixels, |
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1020 int *pitch); |
| 1670 | 1021 |
| 1022 /** | |
| 1023 * \fn void SDL_UnlockTexture(SDL_TextureID textureID) | |
| 1024 * | |
| 1025 * \brief Unlock a texture, uploading the changes to video memory, if needed. | |
| 1026 * | |
| 1027 * \sa SDL_LockTexture() | |
| 1028 * \sa SDL_DirtyTexture() | |
| 1029 */ | |
| 1030 extern DECLSPEC void SDLCALL SDL_UnlockTexture(SDL_TextureID textureID); | |
| 1031 | |
| 1032 /** | |
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1033 * \fn void SDL_DirtyTexture(SDL_TextureID textureID, int numrects, const SDL_Rect * rects) |
| 1670 | 1034 * |
| 1035 * \brief Mark the specified rectangles of the texture as dirty. | |
| 1036 * | |
| 1037 * \note The texture must have been created with SDL_TextureAccess_Local. | |
| 1038 * | |
| 1039 * \sa SDL_LockTexture() | |
| 1040 * \sa SDL_UnlockTexture() | |
| 1041 */ | |
| 1042 extern DECLSPEC void SDLCALL SDL_DirtyTexture(SDL_TextureID textureID, | |
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1043 int numrects, |
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1044 const SDL_Rect * rects); |
| 1670 | 1045 |
| 1046 /** | |
| 1047 * \fn void SDL_SelectRenderTexture(SDL_TextureID textureID) | |
| 1048 * | |
| 1049 * \brief Select a texture as the rendering target, or 0 to reselect the current window. | |
| 1050 * | |
| 1051 * \note The texture must have been created with SDL_TextureAccess_Render. | |
| 1052 */ | |
| 1053 extern DECLSPEC void SDLCALL SDL_SelectRenderTexture(SDL_TextureID textureID); | |
| 1054 | |
| 1055 /** | |
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1056 * \fn void SDL_RenderFill(const SDL_Rect *rect, Uint32 color) |
| 1670 | 1057 * |
| 1058 * \brief Fill the current rendering target with the specified color. | |
| 1059 * | |
| 1060 * \param rect A pointer to the destination rectangle, or NULL for the entire rendering target. | |
| 1061 * \param color An ARGB color value. | |
| 1062 * | |
| 1063 * \return 0 on success, or -1 if there is no renderer current | |
| 1064 */ | |
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1065 extern DECLSPEC int SDLCALL SDL_RenderFill(const SDL_Rect * rect, |
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1066 Uint32 color); |
| 0 | 1067 |
| 1670 | 1068 /** |
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1069 * \fn int SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect *srcrect, const SDL_Rect *dstrect, Uint32 blendMode, Uint32 scaleMode) |
| 1670 | 1070 * |
| 1071 * \brief Copy a portion of the texture to the current rendering target. | |
| 1072 * | |
| 1073 * \param texture The source texture. | |
| 1074 * \param srcrect A pointer to the source rectangle, or NULL for the entire texture. | |
| 1075 * \param dstrect A pointer to the destination rectangle, or NULL for the entire rendering target. | |
| 1076 * \param blendMode SDL_TextureBlendMode to be used if the source texture has an alpha channel. | |
| 1077 * \param scaleMode SDL_TextureScaleMode to be used if the source and destination rectangles don't have the same width and height. | |
| 1078 * | |
| 1079 * \return 0 on success, or -1 if there is no renderer current, or the driver doesn't support the requested operation. | |
| 1080 * | |
| 1081 * \note You can check the video driver info to see what operations are supported. | |
| 1082 */ | |
| 1083 extern DECLSPEC int SDLCALL SDL_RenderCopy(SDL_TextureID textureID, | |
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1084 const SDL_Rect * srcrect, |
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1085 const SDL_Rect * dstrect, |
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1086 int blendMode, int scaleMode); |
| 1670 | 1087 |
| 1088 /** | |
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1089 * \fn int SDL_RenderReadPixels(const SDL_Rect *rect, void *pixels, int pitch) |
| 1670 | 1090 * |
| 1091 * \brief Read pixels from the current rendering target. | |
| 1092 * | |
| 1093 * \param rect A pointer to the rectangle to read, or NULL for the entire render target | |
| 1094 * \param pixels A pointer to be filled in with the pixel data | |
| 1095 * \param pitch The pitch of the pixels parameter | |
| 1096 * | |
| 1097 * \return 0 on success, or -1 if pixel reading is not supported. | |
| 1098 * | |
| 1099 * \warning This is a very slow operation, and should not be used frequently. | |
| 0 | 1100 */ |
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1101 extern DECLSPEC int SDLCALL SDL_RenderReadPixels(const SDL_Rect * rect, |
| 1670 | 1102 void *pixels, int pitch); |
| 1103 | |
| 1104 /** | |
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1105 * \fn int SDL_RenderWritePixels(const SDL_Rect *rect, const void *pixels, int pitch) |
| 1670 | 1106 * |
| 1107 * \brief Write pixels to the current rendering target. | |
| 1108 * | |
| 1109 * \param rect A pointer to the rectangle to write, or NULL for the entire render target | |
| 1110 * \param pixels A pointer to the pixel data to write | |
| 1111 * \param pitch The pitch of the pixels parameter | |
| 1112 * | |
| 1113 * \return 0 on success, or -1 if pixel writing is not supported. | |
| 1114 * | |
| 1115 * \warning This is a very slow operation, and should not be used frequently. | |
| 1116 */ | |
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1117 extern DECLSPEC int SDLCALL SDL_RenderWritePixels(const SDL_Rect * rect, |
| 1670 | 1118 const void *pixels, |
| 1119 int pitch); | |
| 1120 | |
| 1121 /** | |
| 1122 * \fn void SDL_RenderPresent(void) | |
| 1123 * | |
| 1124 * \brief Update the screen with rendering performed. | |
| 1125 */ | |
| 1126 extern DECLSPEC void SDLCALL SDL_RenderPresent(void); | |
| 1127 | |
| 1128 /** | |
| 1129 * \fn void SDL_DestroyTexture(SDL_TextureID textureID); | |
| 1130 * | |
| 1131 * \brief Destroy the specified texture. | |
| 1132 * | |
| 1133 * \sa SDL_CreateTexture() | |
| 1134 * \sa SDL_CreateTextureFromSurface() | |
| 1135 */ | |
| 1136 extern DECLSPEC void SDLCALL SDL_DestroyTexture(SDL_TextureID textureID); | |
| 1137 | |
| 1138 /** | |
| 1139 * \fn void SDL_DestroyRenderer(SDL_WindowID windowID); | |
| 1140 * | |
| 1141 * \brief Destroy the rendering context for a window and free associated | |
| 1142 * textures. | |
| 1143 * | |
| 1144 * \sa SDL_CreateRenderer() | |
| 1145 */ | |
| 1146 extern DECLSPEC void SDLCALL SDL_DestroyRenderer(SDL_WindowID windowID); | |
| 0 | 1147 |
| 1148 /* | |
| 1149 * Maps an RGB triple to an opaque pixel value for a given pixel format | |
| 1150 */ | |
|
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1151 extern DECLSPEC Uint32 SDLCALL SDL_MapRGB |
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1152 (SDL_PixelFormat * format, Uint8 r, Uint8 g, Uint8 b); |
| 0 | 1153 |
| 1154 /* | |
| 1155 * Maps an RGBA quadruple to a pixel value for a given pixel format | |
| 1156 */ | |
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1157 extern DECLSPEC Uint32 SDLCALL SDL_MapRGBA(SDL_PixelFormat * format, |
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1158 Uint8 r, Uint8 g, Uint8 b, |
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1159 Uint8 a); |
| 0 | 1160 |
| 1161 /* | |
| 1162 * Maps a pixel value into the RGB components for a given pixel format | |
| 1163 */ | |
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1164 extern DECLSPEC void SDLCALL SDL_GetRGB(Uint32 pixel, SDL_PixelFormat * fmt, |
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1165 Uint8 * r, Uint8 * g, Uint8 * b); |
| 0 | 1166 |
| 1167 /* | |
| 1168 * Maps a pixel value into the RGBA components for a given pixel format | |
| 1169 */ | |
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1170 extern DECLSPEC void SDLCALL SDL_GetRGBA(Uint32 pixel, SDL_PixelFormat * fmt, |
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1171 Uint8 * r, Uint8 * g, Uint8 * b, |
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1172 Uint8 * a); |
| 0 | 1173 |
| 1174 /* | |
| 1175 * Allocate and free an RGB surface (must be called after SDL_SetVideoMode) | |
| 1176 * If the depth is 4 or 8 bits, an empty palette is allocated for the surface. | |
| 1177 * If the depth is greater than 8 bits, the pixel format is set using the | |
| 1178 * flags '[RGB]mask'. | |
| 1179 * If the function runs out of memory, it will return NULL. | |
| 1180 * | |
| 1181 * The 'flags' tell what kind of surface to create. | |
| 1182 * SDL_SRCCOLORKEY indicates that the surface will be used for colorkey blits. | |
| 1670 | 1183 * SDL_SRCALPHA means that the surface will be used for alpha blits. |
| 0 | 1184 */ |
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1185 extern DECLSPEC SDL_Surface *SDLCALL SDL_CreateRGBSurface |
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1186 (Uint32 flags, int width, int height, int depth, |
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1187 Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask); |
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1188 extern DECLSPEC SDL_Surface *SDLCALL SDL_CreateRGBSurfaceFrom(void *pixels, |
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1189 int width, |
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1190 int height, |
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1191 int depth, |
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1192 int pitch, |
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1193 Uint32 Rmask, |
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1194 Uint32 Gmask, |
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1195 Uint32 Bmask, |
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1196 Uint32 Amask); |
| 1670 | 1197 extern DECLSPEC SDL_Surface *SDLCALL |
| 1198 SDL_CreateRGBSurfaceFromTexture(SDL_TextureID textureID); | |
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1199 extern DECLSPEC void SDLCALL SDL_FreeSurface(SDL_Surface * surface); |
| 0 | 1200 |
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1201 /** |
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1202 * \fn int SDL_SetSurfacePalette(SDL_Surface *surface, SDL_Palette *palette) |
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1203 * |
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1204 * \brief Set the palette used by a surface. |
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1205 * |
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1206 * \return 0, or -1 if the surface format doesn't use a palette. |
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1207 * |
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1208 * \note A single palette can be shared with many surfaces. |
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1209 */ |
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1210 extern DECLSPEC int SDLCALL SDL_SetSurfacePalette(SDL_Surface * surface, |
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1211 SDL_Palette * palette); |
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1212 |
| 0 | 1213 /* |
| 1214 * SDL_LockSurface() sets up a surface for directly accessing the pixels. | |
| 1215 * Between calls to SDL_LockSurface()/SDL_UnlockSurface(), you can write | |
| 1216 * to and read from 'surface->pixels', using the pixel format stored in | |
| 1217 * 'surface->format'. Once you are done accessing the surface, you should | |
| 1218 * use SDL_UnlockSurface() to release it. | |
| 1219 * | |
| 1220 * Not all surfaces require locking. If SDL_MUSTLOCK(surface) evaluates | |
| 1221 * to 0, then you can read and write to the surface at any time, and the | |
| 1670 | 1222 * pixel format of the surface will not change. |
| 0 | 1223 * |
| 1224 * No operating system or library calls should be made between lock/unlock | |
| 1225 * pairs, as critical system locks may be held during this time. | |
| 1226 * | |
| 1227 * SDL_LockSurface() returns 0, or -1 if the surface couldn't be locked. | |
| 1228 */ | |
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1229 extern DECLSPEC int SDLCALL SDL_LockSurface(SDL_Surface * surface); |
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1230 extern DECLSPEC void SDLCALL SDL_UnlockSurface(SDL_Surface * surface); |
| 0 | 1231 |
| 1232 /* | |
| 1233 * Load a surface from a seekable SDL data source (memory or file.) | |
| 1234 * If 'freesrc' is non-zero, the source will be closed after being read. | |
| 1235 * Returns the new surface, or NULL if there was an error. | |
| 1236 * The new surface should be freed with SDL_FreeSurface(). | |
| 1237 */ | |
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1238 extern DECLSPEC SDL_Surface *SDLCALL SDL_LoadBMP_RW(SDL_RWops * src, |
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1239 int freesrc); |
| 0 | 1240 |
| 1241 /* Convenience macro -- load a surface from a file */ | |
| 1242 #define SDL_LoadBMP(file) SDL_LoadBMP_RW(SDL_RWFromFile(file, "rb"), 1) | |
| 1243 | |
| 1244 /* | |
| 1245 * Save a surface to a seekable SDL data source (memory or file.) | |
| 1246 * If 'freedst' is non-zero, the source will be closed after being written. | |
| 1247 * Returns 0 if successful or -1 if there was an error. | |
| 1248 */ | |
|
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1249 extern DECLSPEC int SDLCALL SDL_SaveBMP_RW |
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1250 (SDL_Surface * surface, SDL_RWops * dst, int freedst); |
| 0 | 1251 |
| 1252 /* Convenience macro -- save a surface to a file */ | |
| 1253 #define SDL_SaveBMP(surface, file) \ | |
| 1254 SDL_SaveBMP_RW(surface, SDL_RWFromFile(file, "wb"), 1) | |
| 1255 | |
| 1256 /* | |
| 1257 * Sets the color key (transparent pixel) in a blittable surface. | |
| 1258 * If 'flag' is SDL_SRCCOLORKEY (optionally OR'd with SDL_RLEACCEL), | |
| 1259 * 'key' will be the transparent pixel in the source image of a blit. | |
| 1260 * SDL_RLEACCEL requests RLE acceleration for the surface if present, | |
| 1261 * and removes RLE acceleration if absent. | |
| 1262 * If 'flag' is 0, this function clears any current color key. | |
| 1263 * This function returns 0, or -1 if there was an error. | |
| 1264 */ | |
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1265 extern DECLSPEC int SDLCALL SDL_SetColorKey |
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1266 (SDL_Surface * surface, Uint32 flag, Uint32 key); |
| 0 | 1267 |
| 1268 /* | |
| 1269 * This function sets the alpha value for the entire surface, as opposed to | |
| 1270 * using the alpha component of each pixel. This value measures the range | |
| 1271 * of transparency of the surface, 0 being completely transparent to 255 | |
| 1272 * being completely opaque. An 'alpha' value of 255 causes blits to be | |
| 1273 * opaque, the source pixels copied to the destination (the default). Note | |
| 1274 * that per-surface alpha can be combined with colorkey transparency. | |
| 1275 * | |
| 1276 * If 'flag' is 0, alpha blending is disabled for the surface. | |
| 1277 * If 'flag' is SDL_SRCALPHA, alpha blending is enabled for the surface. | |
| 1278 * OR:ing the flag with SDL_RLEACCEL requests RLE acceleration for the | |
| 1279 * surface; if SDL_RLEACCEL is not specified, the RLE accel will be removed. | |
|
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1280 * |
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1281 * The 'alpha' parameter is ignored for surfaces that have an alpha channel. |
| 0 | 1282 */ |
|
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1283 extern DECLSPEC int SDLCALL SDL_SetAlpha(SDL_Surface * surface, Uint32 flag, |
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1284 Uint8 alpha); |
| 0 | 1285 |
| 1286 /* | |
| 1287 * Sets the clipping rectangle for the destination surface in a blit. | |
| 1288 * | |
| 1289 * If the clip rectangle is NULL, clipping will be disabled. | |
| 1290 * If the clip rectangle doesn't intersect the surface, the function will | |
| 1291 * return SDL_FALSE and blits will be completely clipped. Otherwise the | |
| 1292 * function returns SDL_TRUE and blits to the surface will be clipped to | |
| 1293 * the intersection of the surface area and the clipping rectangle. | |
| 1294 * | |
| 1295 * Note that blits are automatically clipped to the edges of the source | |
| 1296 * and destination surfaces. | |
| 1297 */ | |
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1298 extern DECLSPEC SDL_bool SDLCALL SDL_SetClipRect(SDL_Surface * surface, |
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1299 const SDL_Rect * rect); |
| 0 | 1300 |
| 1301 /* | |
| 1302 * Gets the clipping rectangle for the destination surface in a blit. | |
| 1303 * 'rect' must be a pointer to a valid rectangle which will be filled | |
| 1304 * with the correct values. | |
| 1305 */ | |
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1306 extern DECLSPEC void SDLCALL SDL_GetClipRect(SDL_Surface * surface, |
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1307 SDL_Rect * rect); |
| 0 | 1308 |
| 1309 /* | |
| 1310 * Creates a new surface of the specified format, and then copies and maps | |
| 1311 * the given surface to it so the blit of the converted surface will be as | |
| 1312 * fast as possible. If this function fails, it returns NULL. | |
| 1313 * | |
| 1314 * The 'flags' parameter is passed to SDL_CreateRGBSurface() and has those | |
| 1315 * semantics. You can also pass SDL_RLEACCEL in the flags parameter and | |
| 1316 * SDL will try to RLE accelerate colorkey and alpha blits in the resulting | |
| 1317 * surface. | |
| 1318 * | |
| 1319 * This function is used internally by SDL_DisplayFormat(). | |
| 1320 */ | |
|
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1321 extern DECLSPEC SDL_Surface *SDLCALL SDL_ConvertSurface |
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1322 (SDL_Surface * src, SDL_PixelFormat * fmt, Uint32 flags); |
| 0 | 1323 |
| 1324 /* | |
| 1670 | 1325 * This function performs a fast fill of the given rectangle with 'color' |
| 1326 * The given rectangle is clipped to the destination surface clip area | |
| 1327 * and the final fill rectangle is saved in the passed in pointer. | |
| 1328 * If 'dstrect' is NULL, the whole surface will be filled with 'color' | |
| 1329 * The color should be a pixel of the format used by the surface, and | |
| 1330 * can be generated by the SDL_MapRGB() function. | |
| 1331 * This function returns 0 on success, or -1 on error. | |
| 1332 */ | |
| 1333 extern DECLSPEC int SDLCALL SDL_FillRect | |
| 1334 (SDL_Surface * dst, SDL_Rect * dstrect, Uint32 color); | |
| 1335 | |
| 1336 /* | |
| 0 | 1337 * This performs a fast blit from the source surface to the destination |
| 1338 * surface. It assumes that the source and destination rectangles are | |
| 1339 * the same size. If either 'srcrect' or 'dstrect' are NULL, the entire | |
| 1340 * surface (src or dst) is copied. The final blit rectangles are saved | |
| 1341 * in 'srcrect' and 'dstrect' after all clipping is performed. | |
| 1342 * If the blit is successful, it returns 0, otherwise it returns -1. | |
| 1343 * | |
| 1344 * The blit function should not be called on a locked surface. | |
| 1345 * | |
| 1346 * The blit semantics for surfaces with and without alpha and colorkey | |
| 1347 * are defined as follows: | |
| 1348 * | |
| 1349 * RGBA->RGB: | |
| 1350 * SDL_SRCALPHA set: | |
| 1351 * alpha-blend (using alpha-channel). | |
| 1352 * SDL_SRCCOLORKEY ignored. | |
| 1353 * SDL_SRCALPHA not set: | |
| 1354 * copy RGB. | |
| 1355 * if SDL_SRCCOLORKEY set, only copy the pixels matching the | |
| 1356 * RGB values of the source colour key, ignoring alpha in the | |
| 1357 * comparison. | |
| 1358 * | |
| 1359 * RGB->RGBA: | |
| 1360 * SDL_SRCALPHA set: | |
| 1361 * alpha-blend (using the source per-surface alpha value); | |
| 1362 * set destination alpha to opaque. | |
| 1363 * SDL_SRCALPHA not set: | |
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1364 * copy RGB, set destination alpha to source per-surface alpha value. |
| 0 | 1365 * both: |
| 1366 * if SDL_SRCCOLORKEY set, only copy the pixels matching the | |
| 1367 * source colour key. | |
| 1368 * | |
| 1369 * RGBA->RGBA: | |
| 1370 * SDL_SRCALPHA set: | |
| 1371 * alpha-blend (using the source alpha channel) the RGB values; | |
| 1372 * leave destination alpha untouched. [Note: is this correct?] | |
| 1373 * SDL_SRCCOLORKEY ignored. | |
| 1374 * SDL_SRCALPHA not set: | |
| 1375 * copy all of RGBA to the destination. | |
| 1376 * if SDL_SRCCOLORKEY set, only copy the pixels matching the | |
| 1377 * RGB values of the source colour key, ignoring alpha in the | |
| 1378 * comparison. | |
| 1379 * | |
| 1380 * RGB->RGB: | |
| 1381 * SDL_SRCALPHA set: | |
| 1382 * alpha-blend (using the source per-surface alpha value). | |
| 1383 * SDL_SRCALPHA not set: | |
| 1384 * copy RGB. | |
| 1385 * both: | |
| 1386 * if SDL_SRCCOLORKEY set, only copy the pixels matching the | |
| 1387 * source colour key. | |
| 1388 * | |
| 1389 * If either of the surfaces were in video memory, and the blit returns -2, | |
| 1390 * the video memory was lost, so it should be reloaded with artwork and | |
| 1391 * re-blitted: | |
| 1392 while ( SDL_BlitSurface(image, imgrect, screen, dstrect) == -2 ) { | |
| 1393 while ( SDL_LockSurface(image) < 0 ) | |
| 1394 Sleep(10); | |
| 1395 -- Write image pixels to image->pixels -- | |
| 1396 SDL_UnlockSurface(image); | |
| 1397 } | |
| 1398 * This happens under DirectX 5.0 when the system switches away from your | |
| 1399 * fullscreen application. The lock will also fail until you have access | |
| 1400 * to the video memory again. | |
| 1401 */ | |
| 1402 /* You should call SDL_BlitSurface() unless you know exactly how SDL | |
| 1403 blitting works internally and how to use the other blit functions. | |
| 1404 */ | |
| 1405 #define SDL_BlitSurface SDL_UpperBlit | |
| 1406 | |
| 1407 /* This is the public blit function, SDL_BlitSurface(), and it performs | |
| 1408 rectangle validation and clipping before passing it to SDL_LowerBlit() | |
| 1409 */ | |
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1410 extern DECLSPEC int SDLCALL SDL_UpperBlit |
|
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1411 (SDL_Surface * src, SDL_Rect * srcrect, |
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1412 SDL_Surface * dst, SDL_Rect * dstrect); |
| 0 | 1413 /* This is a semi-private blit function and it performs low-level surface |
| 1414 blitting only. | |
| 1415 */ | |
|
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1416 extern DECLSPEC int SDLCALL SDL_LowerBlit |
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1417 (SDL_Surface * src, SDL_Rect * srcrect, |
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1418 SDL_Surface * dst, SDL_Rect * dstrect); |
| 0 | 1419 |
| 1670 | 1420 /** |
| 1421 * \fn int SDL_SoftStretch(SDL_Surface * src, SDL_Rect * srcrect, SDL_Surface * dst, SDL_Rect * dstrect) | |
| 0 | 1422 * |
| 1670 | 1423 * \brief Perform a fast, low quality, stretch blit between two surfaces of the same pixel format. |
|
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1424 * |
| 1670 | 1425 * \note This function uses a static buffer, and is not thread-safe. |
| 0 | 1426 */ |
| 1670 | 1427 extern DECLSPEC int SDLCALL SDL_SoftStretch(SDL_Surface * src, |
| 1428 SDL_Rect * srcrect, | |
| 1429 SDL_Surface * dst, | |
| 1430 SDL_Rect * dstrect); | |
| 0 | 1431 |
| 1432 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | |
| 1433 /* OpenGL support functions. */ | |
| 1434 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | |
| 1435 | |
|
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1436 /** |
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1437 * \fn int SDL_GL_LoadLibrary(const char *path) |
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1438 * |
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1439 * \brief Dynamically load an OpenGL library. |
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1440 * |
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1441 * \param path The platform dependent OpenGL library name, or NULL to open the default OpenGL library |
| 0 | 1442 * |
|
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1443 * \return 0 on success, or -1 if the library couldn't be loaded |
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1444 * |
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1445 * \note If you do this, you need to retrieve all of the GL functions used in |
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1446 * your program from the dynamic library using SDL_GL_GetProcAddress(). |
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1447 * |
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1448 * \sa SDL_GL_GetProcAddress() |
| 0 | 1449 */ |
|
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1450 extern DECLSPEC int SDLCALL SDL_GL_LoadLibrary(const char *path); |
| 0 | 1451 |
|
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1452 /** |
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1453 * \fn void *SDL_GL_GetProcAddress(const char *proc) |
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1454 * |
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1455 * \brief Get the address of an OpenGL function. |
| 0 | 1456 */ |
|
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1457 extern DECLSPEC void *SDLCALL SDL_GL_GetProcAddress(const char *proc); |
| 0 | 1458 |
|
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1459 /** |
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1460 * \fn int SDL_GL_SetAttribute(SDL_GLattr attr, int value) |
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1461 * |
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1462 * \brief Set an OpenGL window attribute before window creation. |
| 0 | 1463 */ |
|
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1464 extern DECLSPEC int SDLCALL SDL_GL_SetAttribute(SDL_GLattr attr, int value); |
| 0 | 1465 |
|
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1466 /** |
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1467 * \fn int SDL_GL_GetWindowAttribute(SDL_WindowID windowID, SDL_GLattr attr, int *value) |
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1468 * |
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1469 * \brief Get the actual value for an OpenGL window attribute. |
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1470 */ |
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1471 extern DECLSPEC int SDLCALL SDL_GL_GetWindowAttribute(SDL_WindowID windowID, |
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1472 SDL_GLattr attr, |
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1473 int *value); |
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1474 |
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1475 /** |
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1476 * \fn SDL_GLContext SDL_GL_CreateContext(SDL_WindowID windowID) |
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1477 * |
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1478 * \brief Create an OpenGL context for use with an OpenGL window, and make it current. |
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1479 * |
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1480 * \sa SDL_GL_DeleteContext() |
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1481 */ |
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1482 extern DECLSPEC SDL_GLContext SDLCALL SDL_GL_CreateContext(SDL_WindowID |
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1483 windowID); |
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1484 |
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1485 /** |
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1486 * \fn int SDL_GL_MakeCurrent(SDL_WindowID windowID, SDL_GLContext context) |
|
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Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
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|
1487 * |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
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|
1488 * \brief Set up an OpenGL context for rendering into an OpenGL window. |
| 0 | 1489 * |
|
1727
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
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|
1490 * \note The context must have been created with a compatible window. |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
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diff
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|
1491 */ |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1492 extern DECLSPEC int SDLCALL SDL_GL_MakeCurrent(SDL_WindowID windowID, |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1493 SDL_GLContext context); |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
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|
1494 |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1495 /** |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1496 * \fn int SDL_GL_SetSwapInterval(int interval) |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1497 * |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1498 * \brief Set the swap interval for the current OpenGL context. |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
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|
1499 * |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1500 * \sa SDL_GL_GetSwapInterval() |
| 0 | 1501 */ |
|
1727
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1502 extern DECLSPEC int SDLCALL SDL_GL_SetSwapInterval(int interval); |
| 0 | 1503 |
|
1727
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
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|
1504 /** |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1505 * \fn int SDL_GL_GetSwapInterval(void) |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1506 * |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1507 * \brief Get the swap interval for the current OpenGL context. |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1508 * |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1509 * \sa SDL_GL_SetSwapInterval() |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1510 */ |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1511 extern DECLSPEC int SDLCALL SDL_GL_GetSwapInterval(void); |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1512 |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1513 /** |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
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|
1514 * \fn void SDL_GL_SwapBuffers(void) |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1515 * |
| 0 | 1516 * Swap the OpenGL buffers, if double-buffering is supported. |
| 1517 */ | |
|
1668
4da1ee79c9af
more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents:
1662
diff
changeset
|
1518 extern DECLSPEC void SDLCALL SDL_GL_SwapBuffers(void); |
| 0 | 1519 |
|
1727
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
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|
1520 /** |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1521 * \fn void SDL_GL_DeleteContext(SDL_GLContext context) |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1522 * |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1523 * \brief Delete an OpenGL context. |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1524 * |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1525 * \sa SDL_GL_CreateContext() |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1526 */ |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1527 extern DECLSPEC void SDLCALL SDL_GL_DeleteContext(SDL_GLContext context); |
|
90a3e0fccb88
Started on the OpenGL API revamp.
Sam Lantinga <slouken@libsdl.org>
parents:
1725
diff
changeset
|
1528 |
|
1735
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
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|
1529 /** |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
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|
1530 * \def SDL_RectEmpty() |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1531 * |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1532 * \brief Returns true if the rectangle has no area. |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
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|
1533 */ |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1534 #define SDL_RectEmpty(X) (((X)->w <= 0) || ((X)->h <= 0)) |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1535 |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1536 /** |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1537 * \def SDL_RectEquals() |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1538 * |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1539 * \brief Returns true if the two rectangles are equal. |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
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|
1540 */ |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1541 #define SDL_RectEquals(A, B) (((A)->x == (B)->x) && ((A)->y == (B)->y) && \ |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1542 ((A)->w == (B)->w) && ((A)->h == (B)->h)) |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1543 |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1544 /** |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1545 * \fn SDL_bool SDL_HasIntersection(const SDL_Rect * A, const SDL_Rect * B); |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1546 * |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
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|
1547 * \brief Determine whether two rectangles intersect. |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
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|
1548 * |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1549 * \return SDL_TRUE if there is an intersection, SDL_FALSE otherwise. |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
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|
1550 */ |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
1551 extern DECLSPEC SDL_bool SDLCALL SDL_HasIntersection(const SDL_Rect * A, |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1552 const SDL_Rect * B); |
|
8dd28c4ef746
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Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1553 |
|
8dd28c4ef746
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Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1554 /** |
|
8dd28c4ef746
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Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
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|
1555 * \fn SDL_bool SDL_IntersectRect(const SDL_Rect * A, const SDL_Rect * B, SDL_Rect * result) |
|
8dd28c4ef746
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Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1556 * |
|
8dd28c4ef746
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Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1557 * \brief Calculate the intersection of two rectangles. |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
1558 * |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1559 * \return SDL_TRUE if there is an intersection, SDL_FALSE otherwise. |
|
1724
6c63fc2bd986
Proof of concept done - Win32 GDI implementation mostly complete.
Sam Lantinga <slouken@libsdl.org>
parents:
1722
diff
changeset
|
1560 */ |
|
6c63fc2bd986
Proof of concept done - Win32 GDI implementation mostly complete.
Sam Lantinga <slouken@libsdl.org>
parents:
1722
diff
changeset
|
1561 extern DECLSPEC SDL_bool SDLCALL SDL_IntersectRect(const SDL_Rect * A, |
|
6c63fc2bd986
Proof of concept done - Win32 GDI implementation mostly complete.
Sam Lantinga <slouken@libsdl.org>
parents:
1722
diff
changeset
|
1562 const SDL_Rect * B, |
|
1735
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1563 SDL_Rect * result); |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1564 |
|
8dd28c4ef746
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Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1565 /** |
|
8dd28c4ef746
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Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1566 * \fn void SDL_UnionRect(const SDL_Rect * A, const SDL_Rect * B, SDL_Rect * result) |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1567 * |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1568 * \brief Calculate the union of two rectangles |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1569 */ |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1570 extern DECLSPEC void SDLCALL SDL_UnionRect(const SDL_Rect * A, |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1571 const SDL_Rect * B, |
|
8dd28c4ef746
SDL_Rect now uses int for position and size.
Sam Lantinga <slouken@libsdl.org>
parents:
1734
diff
changeset
|
1572 SDL_Rect * result); |
|
1724
6c63fc2bd986
Proof of concept done - Win32 GDI implementation mostly complete.
Sam Lantinga <slouken@libsdl.org>
parents:
1722
diff
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|
1573 |
| 0 | 1574 /* Ends C function definitions when using C++ */ |
| 1575 #ifdef __cplusplus | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1660
diff
changeset
|
1576 /* *INDENT-OFF* */ |
| 0 | 1577 } |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1660
diff
changeset
|
1578 /* *INDENT-ON* */ |
| 0 | 1579 #endif |
| 1580 #include "close_code.h" | |
| 1581 | |
| 1582 #endif /* _SDL_video_h */ | |
|
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1660
diff
changeset
|
1583 |
|
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1660
diff
changeset
|
1584 /* vi: set ts=4 sw=4 expandtab: */ |