Mercurial > sdl-ios-xcode
annotate include/SDL_video.h @ 1733:0b1070f2f94d SDL-1.3
Implemented gamma correction on Windows.
Added general code to restore the video mode and gamma when windows lose focus.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 09 Jul 2006 09:02:26 +0000 |
| parents | 0ef52d56e8bb |
| children | f7c667ded87d |
| 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 Sint16 x, y; |
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57 Uint16 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_KEYBOARD_FOCUS = 0x00000200, /**< window has keyboard 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 */ | |
| 180 SDL_Renderer_Minimal = 0x00000080, /**< The renderer only supports the read/write pixel and present functions */ | |
| 181 } SDL_RendererFlags; | |
| 182 | |
| 183 /** | |
| 184 * \struct SDL_RendererInfo | |
| 185 * | |
| 186 * \brief Information on the capabilities of a render manager. | |
| 187 */ | |
| 188 typedef struct SDL_RendererInfo | |
| 189 { | |
| 190 const char *name; /**< The name of the renderer */ | |
| 191 Uint32 flags; /**< Supported SDL_RendererFlags */ | |
| 192 Uint32 blend_modes; /**< A mask of supported blend modes */ | |
| 193 Uint32 scale_modes; /**< A mask of supported scale modes */ | |
| 194 Uint32 num_texture_formats; /**< The number of available texture formats */ | |
| 195 Uint32 texture_formats[32]; /**< The available texture formats */ | |
| 196 int max_texture_width; /**< The maximimum texture width */ | |
| 197 int max_texture_height; /**< The maximimum texture height */ | |
| 198 } SDL_RendererInfo; | |
| 199 | |
| 200 /** | |
| 201 * \enum SDL_TextureAccess | |
| 202 * | |
| 203 * \brief The access pattern allowed for a texture | |
| 204 */ | |
| 205 typedef enum | |
| 206 { | |
| 207 SDL_TextureAccess_Render, /**< Unlockable video memory, rendering allowed */ | |
| 208 SDL_TextureAccess_Remote, /**< Unlockable video memory */ | |
| 209 SDL_TextureAccess_Local, /**< Lockable system memory */ | |
| 210 } SDL_TextureAccess; | |
| 211 | |
| 212 /** | |
| 213 * \enum SDL_TextureBlendMode | |
| 214 * | |
| 215 * \brief The blend mode used in SDL_RenderCopy() | |
| 216 */ | |
| 217 typedef enum | |
| 218 { | |
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219 SDL_TextureBlendMode_None = 0x00000000, /**< No blending */ |
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220 SDL_TextureBlendMode_Mask = 0x00000001, /**< dst = A ? src : dst (alpha is mask) */ |
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221 SDL_TextureBlendMode_Blend = 0x00000002, /**< dst = (src * A) + (dst * (1-A)) */ |
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222 SDL_TextureBlendMode_Add = 0x00000004, /**< dst = (src * A) + dst */ |
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223 SDL_TextureBlendMode_Mod = 0x00000008, /**< dst = src * dst */ |
| 1670 | 224 } SDL_TextureBlendMode; |
| 225 | |
| 226 /** | |
| 227 * \enum SDL_TextureScaleMode | |
| 228 * | |
| 229 * \brief The scale mode used in SDL_RenderCopy() | |
| 230 */ | |
| 231 typedef enum | |
| 232 { | |
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233 SDL_TextureScaleMode_None = 0x00000000, /**< No scaling, rectangles must match dimensions */ |
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234 SDL_TextureScaleMode_Fast = 0x00000001, /**< Point sampling or equivalent algorithm */ |
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235 SDL_TextureScaleMode_Slow = 0x00000002, /**< Linear filtering or equivalent algorithm */ |
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236 SDL_TextureScaleMode_Best = 0x00000004, /**< Bicubic filtering or equivalent algorithm */ |
| 1670 | 237 } SDL_TextureScaleMode; |
| 238 | |
| 239 /** | |
| 240 * \typedef SDL_TextureID | |
| 241 * | |
| 242 * \brief An efficient driver-specific representation of pixel data | |
| 243 */ | |
| 244 typedef Uint32 SDL_TextureID; | |
| 245 | |
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246 /** |
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247 * \typedef SDL_GLContext |
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248 * |
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249 * \brief An opaque handle to an OpenGL context. |
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250 */ |
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251 typedef void *SDL_GLContext; |
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252 |
| 1670 | 253 |
| 254 /* These are the currently supported flags for the SDL_surface */ | |
| 255 /* Used internally (read-only) */ | |
| 256 #define SDL_HWSURFACE 0x00000001 /* Surface represents a texture */ | |
| 257 #define SDL_PREALLOC 0x00000002 /* Surface uses preallocated memory */ | |
| 258 #define SDL_SRCALPHA 0x00000004 /* Blit uses source alpha blending */ | |
| 259 #define SDL_SRCCOLORKEY 0x00000008 /* Blit uses a source color key */ | |
| 260 #define SDL_RLEACCELOK 0x00000010 /* Private flag */ | |
| 261 #define SDL_RLEACCEL 0x00000020 /* Surface is RLE encoded */ | |
| 262 | |
| 263 /* Evaluates to true if the surface needs to be locked before access */ | |
| 264 #define SDL_MUSTLOCK(S) (((S)->flags & (SDL_HWSURFACE|SDL_RLEACCEL)) != 0) | |
| 265 | |
| 266 /* This structure should be treated as read-only, except for 'pixels', | |
| 267 which, if not NULL, contains the raw pixel data for the surface. | |
| 268 */ | |
| 269 typedef struct SDL_Surface | |
| 270 { | |
| 271 Uint32 flags; /* Read-only */ | |
| 272 SDL_PixelFormat *format; /* Read-only */ | |
| 273 int w, h; /* Read-only */ | |
| 274 int pitch; /* Read-only */ | |
| 275 void *pixels; /* Read-write */ | |
| 276 | |
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277 /* texture associated with the surface, if any */ |
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278 SDL_TextureID textureID; |
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279 |
| 1670 | 280 /* information needed for surfaces requiring locks */ |
| 281 int locked; | |
| 282 void *lock_data; | |
| 283 | |
| 284 /* clipping information */ | |
| 285 SDL_Rect clip_rect; /* Read-only */ | |
| 286 | |
| 287 /* info for fast blit mapping to other surfaces */ | |
| 288 struct SDL_BlitMap *map; /* Private */ | |
| 289 | |
| 290 /* format version, bumped at every change to invalidate blit maps */ | |
| 291 unsigned int format_version; /* Private */ | |
| 292 | |
| 293 /* Reference count -- used when freeing surface */ | |
| 294 int refcount; /* Read-mostly */ | |
| 295 } SDL_Surface; | |
| 296 | |
| 297 /* typedef for private surface blitting functions */ | |
| 298 typedef int (*SDL_blit) (struct SDL_Surface * src, SDL_Rect * srcrect, | |
| 299 struct SDL_Surface * dst, SDL_Rect * dstrect); | |
| 300 | |
| 301 | |
| 302 /** | |
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303 * \enum SDL_GLattr |
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304 * |
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305 * \brief OpenGL configuration attributes |
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306 */ |
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307 typedef enum |
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308 { |
| 0 | 309 SDL_GL_RED_SIZE, |
| 310 SDL_GL_GREEN_SIZE, | |
| 311 SDL_GL_BLUE_SIZE, | |
| 312 SDL_GL_ALPHA_SIZE, | |
| 313 SDL_GL_BUFFER_SIZE, | |
| 314 SDL_GL_DOUBLEBUFFER, | |
| 315 SDL_GL_DEPTH_SIZE, | |
| 316 SDL_GL_STENCIL_SIZE, | |
| 317 SDL_GL_ACCUM_RED_SIZE, | |
| 318 SDL_GL_ACCUM_GREEN_SIZE, | |
| 319 SDL_GL_ACCUM_BLUE_SIZE, | |
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320 SDL_GL_ACCUM_ALPHA_SIZE, |
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321 SDL_GL_STEREO, |
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322 SDL_GL_MULTISAMPLEBUFFERS, |
| 1656 | 323 SDL_GL_MULTISAMPLESAMPLES, |
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324 SDL_GL_ACCELERATED_VISUAL |
| 0 | 325 } SDL_GLattr; |
| 326 | |
| 327 | |
| 328 /* Function prototypes */ | |
| 329 | |
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330 /** |
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331 * \fn int SDL_GetNumVideoDrivers(void) |
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332 * |
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333 * \brief Get the number of video drivers compiled into SDL |
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334 * |
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335 * \sa SDL_GetVideoDriver() |
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336 */ |
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337 extern DECLSPEC int SDLCALL SDL_GetNumVideoDrivers(void); |
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338 |
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339 /** |
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340 * \fn const char *SDL_GetVideoDriver(int index) |
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341 * |
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342 * \brief Get the name of a built in video driver. |
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343 * |
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344 * \note The video drivers are presented in the order in which they are |
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345 * normally checked during initialization. |
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346 * |
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347 * \sa SDL_GetNumVideoDrivers() |
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348 */ |
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349 extern DECLSPEC const char *SDLCALL SDL_GetVideoDriver(int index); |
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350 |
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351 /** |
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352 * \fn int SDL_VideoInit(const char *driver_name, Uint32 flags) |
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353 * |
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354 * \brief Initialize the video subsystem, optionally specifying a video driver. |
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355 * |
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356 * \param driver_name Initialize a specific driver by name, or NULL for the default video driver. |
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357 * \param flags FIXME: Still needed? |
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358 * |
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359 * \return 0 on success, -1 on error |
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360 * |
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361 * This function initializes the video subsystem; setting up a connection |
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362 * to the window manager, etc, and determines the available display modes |
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363 * and pixel formats, but does not initialize a window or graphics mode. |
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364 * |
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365 * \sa SDL_VideoQuit() |
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366 */ |
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367 extern DECLSPEC int SDLCALL SDL_VideoInit(const char *driver_name, |
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368 Uint32 flags); |
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369 |
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370 /** |
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371 * \fn void SDL_VideoQuit(void) |
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372 * |
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373 * \brief Shuts down the video subsystem. |
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374 * |
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375 * This function closes all windows, and restores the original video mode. |
| 0 | 376 * |
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377 * \sa SDL_VideoInit() |
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378 */ |
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379 extern DECLSPEC void SDLCALL SDL_VideoQuit(void); |
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380 |
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381 /** |
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382 * \fn const char *SDL_GetCurrentVideoDriver(void) |
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383 * |
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384 * \brief Returns the name of the currently initialized video driver. |
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385 * |
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386 * \return The name of the current video driver or NULL if no driver |
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387 * has been initialized |
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388 * |
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389 * \sa SDL_GetNumVideoDrivers() |
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390 * \sa SDL_GetVideoDriver() |
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391 */ |
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392 extern DECLSPEC const char *SDLCALL SDL_GetCurrentVideoDriver(void); |
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393 |
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394 /** |
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395 * \fn int SDL_GetNumVideoDisplays(void) |
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396 * |
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397 * \brief Returns the number of available video displays. |
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398 * |
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399 * \sa SDL_SelectVideoDisplay() |
| 0 | 400 */ |
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401 extern DECLSPEC int SDLCALL SDL_GetNumVideoDisplays(void); |
| 0 | 402 |
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403 /** |
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404 * \fn int SDL_SelectVideoDisplay(int index) |
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405 * |
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406 * \brief Set the index of the currently selected display. |
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407 * |
| 1670 | 408 * \return The index of the currently selected display. |
| 409 * | |
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410 * \note You can query the currently selected display by passing an index of -1. |
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411 * |
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412 * \sa SDL_GetNumVideoDisplays() |
| 0 | 413 */ |
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414 extern DECLSPEC int SDLCALL SDL_SelectVideoDisplay(int index); |
| 0 | 415 |
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416 /** |
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417 * \fn int SDL_GetNumDisplayModes(void) |
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418 * |
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419 * \brief Returns the number of available display modes for the current display. |
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420 * |
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421 * \sa SDL_GetDisplayMode() |
| 0 | 422 */ |
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423 extern DECLSPEC int SDLCALL SDL_GetNumDisplayModes(void); |
| 0 | 424 |
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425 /** |
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426 * \fn const SDL_DisplayMode *SDL_GetDisplayMode(int index) |
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427 * |
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428 * \brief Retrieve information about a specific display mode. |
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429 * |
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430 * \note The display modes are sorted in this priority: |
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431 * \li bits per pixel -> more colors to fewer colors |
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432 * \li width -> largest to smallest |
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433 * \li height -> largest to smallest |
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434 * \li refresh rate -> highest to lowest |
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435 * |
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436 * \sa SDL_GetNumDisplayModes() |
| 0 | 437 */ |
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438 extern DECLSPEC const SDL_DisplayMode *SDLCALL SDL_GetDisplayMode(int index); |
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439 |
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440 /** |
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441 * \fn const SDL_DisplayMode *SDL_GetDesktopDisplayMode(void) |
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442 * |
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443 * \brief Retrieve information about the desktop display mode for the current display. |
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444 */ |
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445 extern DECLSPEC const SDL_DisplayMode *SDLCALL |
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446 SDL_GetDesktopDisplayMode(void); |
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447 |
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448 /** |
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449 * \fn const SDL_DisplayMode *SDL_GetCurrentDisplayMode(void) |
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450 * |
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451 * \brief Retrieve information about the current display mode. |
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452 */ |
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453 extern DECLSPEC const SDL_DisplayMode *SDLCALL |
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454 SDL_GetCurrentDisplayMode(void); |
| 0 | 455 |
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456 /** |
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457 * \fn SDL_DisplayMode *SDL_GetClosestDisplayMode(const SDL_DisplayMode *mode, SDL_DisplayMode *closest) |
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458 * |
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459 * \brief Get the closest match to the requested display mode. |
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460 * |
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461 * \param mode The desired display mode |
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462 * \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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463 * |
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464 * \return The passed in value 'closest', or NULL if no matching video mode was available. |
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465 * |
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466 * 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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467 * |
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468 * \sa SDL_GetNumDisplayModes() |
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469 * \sa SDL_GetDisplayMode() |
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470 */ |
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471 extern DECLSPEC SDL_DisplayMode *SDLCALL SDL_GetClosestDisplayMode(const |
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472 SDL_DisplayMode |
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473 * mode, |
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474 SDL_DisplayMode |
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475 * closest); |
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476 |
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477 /** |
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478 * \fn int SDL_SetFullscreenDisplayMode(const SDL_DisplayMode *mode) |
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479 * |
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480 * \brief Set the display mode used when a fullscreen window is visible |
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481 * on the currently selected display. |
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482 * |
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483 * \param mode The mode to use, or NULL for the desktop mode. |
| 0 | 484 * |
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485 * \return 0 on success, or -1 if setting the display mode failed. |
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486 * |
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487 * \sa SDL_SetWindowFullscreen() |
| 0 | 488 */ |
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489 extern DECLSPEC int SDLCALL SDL_SetFullscreenDisplayMode(const SDL_DisplayMode |
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490 * mode); |
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491 |
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492 /** |
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493 * \fn const SDL_DisplayMode *SDL_GetFullscreenDisplayMode(void) |
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494 * |
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495 * \brief Query the display mode used when a fullscreen window is visible |
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496 * on the currently selected display. |
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497 */ |
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498 extern DECLSPEC const SDL_DisplayMode *SDLCALL |
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499 SDL_GetFullscreenDisplayMode(void); |
| 0 | 500 |
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501 /** |
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502 * \fn int SDL_SetDisplayPalette(const SDL_Color *colors, int firstcolor, int ncolors) |
| 1670 | 503 * |
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504 * \brief Set the palette entries for indexed display modes. |
| 1670 | 505 * |
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506 * \return 0 on success, or -1 if the display mode isn't palettized or the colors couldn't be set. |
| 1670 | 507 */ |
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508 extern DECLSPEC int SDLCALL SDL_SetDisplayPalette(const SDL_Color * colors, |
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509 int firstcolor, |
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510 int ncolors); |
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511 |
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512 /** |
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513 * \fn int SDL_GetDisplayPalette(SDL_Color *colors, int firstcolor, int ncolors) |
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514 * |
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515 * \brief Gets the palette entries for indexed display modes. |
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516 * |
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517 * \return 0 on success, or -1 if the display mode isn't palettized |
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518 */ |
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519 extern DECLSPEC int SDLCALL SDL_GetDisplayPalette(SDL_Color * colors, |
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520 int firstcolor, |
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521 int ncolors); |
| 1670 | 522 |
| 523 /** | |
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524 * \fn int SDL_SetGamma(float red, float green, float blue) |
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525 * |
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526 * \brief Set the gamma correction for each of the color channels on the currently selected display. |
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527 * |
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528 * \return 0 on success, or -1 if setting the gamma isn't supported. |
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529 * |
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530 * \sa SDL_SetGammaRamp() |
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531 */ |
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532 extern DECLSPEC int SDLCALL SDL_SetGamma(float red, float green, float blue); |
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533 |
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534 /** |
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535 * \fn int SDL_SetGammaRamp(const Uint16 * red, const Uint16 * green, const Uint16 * blue) |
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536 * |
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537 * \brief Set the gamma ramp for the currently selected display. |
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538 * |
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539 * \param red The translation table for the red channel, or NULL |
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540 * \param green The translation table for the green channel, or NULL |
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541 * \param blue The translation table for the blue channel, or NULL |
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542 * |
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543 * \return 0 on success, or -1 if gamma ramps are unsupported. |
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544 * |
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545 * Set the gamma translation table for the red, green, and blue channels |
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546 * of the video hardware. Each table is an array of 256 16-bit quantities, |
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547 * representing a mapping between the input and output for that channel. |
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548 * The input is the index into the array, and the output is the 16-bit |
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549 * gamma value at that index, scaled to the output color precision. |
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550 * |
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551 * \sa SDL_GetGammaRamp() |
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552 */ |
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553 extern DECLSPEC int SDLCALL SDL_SetGammaRamp(const Uint16 * red, |
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554 const Uint16 * green, |
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555 const Uint16 * blue); |
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556 |
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557 /** |
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558 * \fn int SDL_GetGammaRamp(Uint16 * red, Uint16 * green, Uint16 * blue) |
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559 * |
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560 * \brief Get the gamma ramp for the currently selected display. |
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561 * |
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562 * \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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563 * \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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564 * \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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565 * |
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566 * \return 0 on success, or -1 if gamma ramps are unsupported. |
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567 * |
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568 * \sa SDL_SetGammaRamp() |
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569 */ |
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570 extern DECLSPEC int SDLCALL SDL_GetGammaRamp(Uint16 * red, Uint16 * green, |
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571 Uint16 * blue); |
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572 |
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573 |
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574 /** |
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575 * \fn SDL_WindowID SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags) |
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576 * |
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577 * \brief Create a window with the specified position, dimensions, and flags. |
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578 * |
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579 * \param title The title of the window |
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580 * \param x The x position of the window |
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581 * \param y The y position of the window |
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582 * \param w The width of the window |
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583 * \param h The height of the window |
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584 * \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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585 * |
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586 * \return The id of the window created, or zero if window creation failed. |
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587 * |
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588 * \note Setting the position to -1, -1, indicates any position is fine. |
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589 * |
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590 * \sa SDL_DestroyWindow() |
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591 */ |
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592 extern DECLSPEC SDL_WindowID SDLCALL SDL_CreateWindow(const char *title, |
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593 int x, int y, int w, |
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594 int h, Uint32 flags); |
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595 |
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596 /** |
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597 * \fn SDL_WindowID SDL_CreateWindowFrom(void *data) |
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598 * |
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599 * \brief Create an SDL window struct from an existing native window. |
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600 * |
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601 * \param data A pointer to driver-dependent window creation data |
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602 * |
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603 * \return The id of the window created, or zero if window creation failed. |
| 0 | 604 * |
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605 * \warning This function is NOT SUPPORTED, use at your own risk! |
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606 * |
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607 * \sa SDL_DestroyWindow() |
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608 */ |
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609 extern DECLSPEC SDL_WindowID SDLCALL SDL_CreateWindowFrom(const void *data); |
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610 |
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611 /** |
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612 * \fn Uint32 SDL_GetWindowFlags(SDL_WindowID windowID) |
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613 * |
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614 * \brief Get the window flags. |
| 0 | 615 */ |
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616 extern DECLSPEC Uint32 SDLCALL SDL_GetWindowFlags(SDL_WindowID windowID); |
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617 |
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618 /** |
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619 * \fn void SDL_SetWindowTitle(SDL_WindowID windowID, const char *title) |
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620 * |
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621 * \brief Set the title of the window, in UTF-8 format. |
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622 * |
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623 * \sa SDL_GetWindowTitle() |
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624 */ |
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625 extern DECLSPEC void SDLCALL SDL_SetWindowTitle(SDL_WindowID windowID, |
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626 const char *title); |
| 0 | 627 |
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628 /** |
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629 * \fn const char *SDL_GetWindowTitle(SDL_WindowID windowID) |
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630 * |
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631 * \brief Get the title of the window, in UTF-8 format. |
| 0 | 632 * |
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633 * \sa SDL_SetWindowTitle() |
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634 */ |
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635 extern DECLSPEC const char *SDLCALL SDL_GetWindowTitle(SDL_WindowID windowID); |
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636 |
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637 /** |
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638 * \fn void SDL_SetWindowIcon(SDL_Surface *icon) |
| 0 | 639 * |
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640 * \brief Set the icon of the window. |
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641 * |
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642 * \param icon The icon for the window |
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643 * |
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644 * 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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645 */ |
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646 extern DECLSPEC void SDLCALL SDL_SetWindowIcon(SDL_Surface * icon); |
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647 |
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648 /** |
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649 * \fn void SDL_SetWindowData(SDL_WindowID windowID, void *userdata) |
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650 * |
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651 * \brief Associate an arbitrary pointer with the window. |
| 0 | 652 * |
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653 * \sa SDL_GetWindowData() |
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654 */ |
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655 extern DECLSPEC void SDLCALL SDL_SetWindowData(SDL_WindowID windowID, |
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656 void *userdata); |
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657 |
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658 /** |
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659 * \fn void *SDL_GetWindowData(SDL_WindowID windowID) |
| 0 | 660 * |
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661 * \brief Retrieve the data pointer associated with the window. |
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662 * |
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663 * \sa SDL_SetWindowData() |
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664 */ |
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665 extern DECLSPEC void *SDLCALL SDL_GetWindowData(SDL_WindowID windowID); |
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666 |
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667 /** |
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668 * \fn void SDL_SetWindowPosition(SDL_WindowID windowID, int x, int y) |
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669 * |
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670 * \brief Set the position of the window. |
| 0 | 671 * |
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672 * \param windowID The window to reposition |
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673 * \param x The x coordinate of the window, SDL_WINDOWPOS_CENTERED, or SDL_WINDOWPOS_UNDEFINED |
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674 * \param y The y coordinate of the window, SDL_WINDOWPOS_CENTERED, or SDL_WINDOWPOS_UNDEFINED |
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675 * |
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676 * \note The window coordinate origin is the upper left of the display. |
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677 * |
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678 * \sa SDL_GetWindowPosition() |
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679 */ |
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680 extern DECLSPEC void SDLCALL SDL_SetWindowPosition(SDL_WindowID windowID, |
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681 int x, int y); |
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682 |
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683 /** |
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684 * \fn void SDL_GetWindowPosition(SDL_WindowID windowID, int *x, int *y) |
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685 * |
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686 * \brief Get the position of the window. |
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687 * |
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688 * \sa SDL_SetWindowPosition() |
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689 */ |
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690 extern DECLSPEC void SDLCALL SDL_GetWindowPosition(SDL_WindowID windowID, |
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691 int *x, int *y); |
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692 |
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693 /** |
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694 * \fn void SDL_SetWindowSize(SDL_WindowID windowID, int w, int w) |
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695 * |
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696 * \brief Set the size of the window's client area. |
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697 * |
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698 * \note You can't change the size of a fullscreen window, it automatically |
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699 * matches the size of the display mode. |
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700 * |
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701 * \sa SDL_GetWindowSize() |
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702 */ |
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703 extern DECLSPEC void SDLCALL SDL_SetWindowSize(SDL_WindowID windowID, int w, |
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704 int h); |
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705 |
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706 /** |
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707 * \fn void SDL_GetWindowSize(SDL_WindowID windowID, int *w, int *w) |
| 0 | 708 * |
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709 * \brief Get the size of the window's client area. |
|
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710 * |
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711 * \sa SDL_SetWindowSize() |
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712 */ |
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713 extern DECLSPEC void SDLCALL SDL_GetWindowSize(SDL_WindowID windowID, int *w, |
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714 int *h); |
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|
715 |
|
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716 /** |
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717 * \fn void SDL_ShowWindow(SDL_WindowID windowID) |
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718 * |
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719 * \brief Show the window |
|
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720 * |
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721 * \sa SDL_HideWindow() |
|
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722 */ |
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723 extern DECLSPEC void SDLCALL SDL_ShowWindow(SDL_WindowID windowID); |
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724 |
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|
725 /** |
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726 * \fn void SDL_HideWindow(SDL_WindowID windowID) |
|
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727 * |
|
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728 * \brief Hide the window |
| 0 | 729 * |
|
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730 * \sa SDL_ShowWindow() |
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731 */ |
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732 extern DECLSPEC void SDLCALL SDL_HideWindow(SDL_WindowID windowID); |
|
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|
733 |
|
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|
734 /** |
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735 * \fn void SDL_RaiseWindow(SDL_WindowID windowID) |
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736 * |
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737 * \brief Raise the window so it's above other windows. |
|
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738 */ |
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739 extern DECLSPEC void SDLCALL SDL_RaiseWindow(SDL_WindowID windowID); |
|
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740 |
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741 /** |
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742 * \fn void SDL_MaximizeWindow(SDL_WindowID windowID) |
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743 * |
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744 * \brief Make the window as large as possible. |
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745 * |
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746 * \sa SDL_RestoreWindow() |
|
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747 */ |
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748 extern DECLSPEC void SDLCALL SDL_MaximizeWindow(SDL_WindowID windowID); |
|
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749 |
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750 /** |
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751 * \fn void SDL_MinimizeWindow(SDL_WindowID windowID) |
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752 * |
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753 * \brief Minimize the window to an iconic representation. |
| 0 | 754 * |
|
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755 * \sa SDL_RestoreWindow() |
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756 */ |
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757 extern DECLSPEC void SDLCALL SDL_MinimizeWindow(SDL_WindowID windowID); |
|
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758 |
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759 /** |
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760 * \fn void SDL_RestoreWindow(SDL_WindowID windowID) |
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761 * |
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762 * \brief Restore the size and position of a minimized or maximized window. |
| 0 | 763 * |
|
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764 * \sa SDL_MaximizeWindow() |
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765 * \sa SDL_MinimizeWindow() |
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766 */ |
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767 extern DECLSPEC void SDLCALL SDL_RestoreWindow(SDL_WindowID windowID); |
|
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768 |
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|
769 /** |
|
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770 * \fn int SDL_SetWindowFullscreen(SDL_WindowID windowID, int fullscreen) |
|
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|
771 * |
|
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|
772 * \brief Set the window's fullscreen state. |
|
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773 * |
|
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|
774 * \return 0 on success, or -1 if setting the display mode failed. |
|
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775 * |
|
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776 * \sa SDL_SetFullscreenDisplayMode() |
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777 */ |
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778 extern DECLSPEC int SDLCALL SDL_SetWindowFullscreen(SDL_WindowID windowID, |
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779 int fullscreen); |
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780 |
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781 /** |
|
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782 * \fn void SDL_SetWindowGrab(SDL_WindowID windowID, int mode) |
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783 * |
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784 * \brief Set the window's input grab mode. |
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785 * |
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786 * \param mode This is 1 to grab input, and 0 to release input. |
| 0 | 787 * |
|
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788 * \sa SDL_GetWindowGrab() |
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789 */ |
|
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790 extern DECLSPEC void SDLCALL SDL_SetWindowGrab(SDL_WindowID windowID, |
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791 int mode); |
|
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792 |
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793 /** |
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794 * \fn int SDL_GetWindowGrab(SDL_WindowID windowID) |
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795 * |
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796 * \brief Get the window's input grab mode. |
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797 * |
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798 * \return This returns 1 if input is grabbed, and 0 otherwise. |
| 0 | 799 * |
|
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800 * \sa SDL_SetWindowGrab() |
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801 */ |
|
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802 extern DECLSPEC int SDLCALL SDL_GetWindowGrab(SDL_WindowID windowID); |
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803 |
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804 /** |
|
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805 * \fn SDL_bool SDL_GetWindowWMInfo(SDL_WindowID windowID, struct SDL_SysWMinfo * info) |
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806 * |
|
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807 * \brief Get driver specific information about a window. |
|
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808 * |
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809 * \note Include SDL_syswm.h for the declaration of SDL_SysWMinfo. |
|
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810 */ |
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811 struct SDL_SysWMinfo; |
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812 extern DECLSPEC SDL_bool SDLCALL SDL_GetWindowWMInfo(SDL_WindowID windowID, |
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813 struct SDL_SysWMinfo |
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814 *info); |
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815 |
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816 /** |
|
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817 * \fn void SDL_DestroyWindow(SDL_WindowID windowID) |
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818 * |
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819 * \brief Destroy a window. |
| 0 | 820 */ |
|
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821 extern DECLSPEC void SDLCALL SDL_DestroyWindow(SDL_WindowID windowID); |
|
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822 |
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823 /** |
| 1670 | 824 * \fn int SDL_GetNumRenderers(void) |
| 825 * | |
| 826 * \brief Get the number of render managers on the current display. | |
| 827 * | |
| 828 * A render manager is a set of code that handles rendering and texture | |
| 829 * management on a particular display. Normally there is only one, but | |
| 830 * some drivers may have several available with different capabilities. | |
| 831 * | |
| 832 * \sa SDL_GetRendererInfo() | |
| 833 * \sa SDL_CreateRenderer() | |
| 834 */ | |
| 835 extern DECLSPEC int SDLCALL SDL_GetNumRenderers(void); | |
| 836 | |
| 837 /** | |
| 838 * \fn SDL_RendererInfo *SDL_GetRendererInfo(int index) | |
| 839 * | |
| 840 * \brief Get information about a specific render manager on the current | |
| 841 * display. | |
| 842 * | |
| 843 * \sa SDL_CreateRenderer() | |
| 844 */ | |
| 845 extern DECLSPEC int SDLCALL SDL_GetRendererInfo(int index, | |
| 846 SDL_RendererInfo * info); | |
| 847 | |
| 848 /** | |
| 849 * \fn int SDL_CreateRenderer(SDL_WindowID window, int index, Uint32 flags) | |
| 850 * | |
| 851 * \brief Create and make active a 2D rendering context for a window. | |
| 852 * | |
|
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Sam Lantinga <slouken@libsdl.org>
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853 * \param windowID The window used for rendering |
| 1670 | 854 * \param index The index of the render manager to initialize, or -1 to initialize the first one supporting the requested flags. |
| 855 * \param flags SDL_RendererFlags | |
|
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856 * |
| 1670 | 857 * \return 0 on success, -1 if the flags were not supported, or -2 if |
| 858 * there isn't enough memory to support the requested flags | |
| 859 * | |
| 860 * \sa SDL_SelectRenderer() | |
| 861 * \sa SDL_DestroyRenderer() | |
| 862 */ | |
| 863 extern DECLSPEC int SDLCALL SDL_CreateRenderer(SDL_WindowID windowID, | |
| 864 int index, Uint32 flags); | |
| 865 | |
| 866 /** | |
| 867 * \fn int SDL_SelectRenderer(SDL_WindowID windowID) | |
| 868 * | |
| 869 * \brief Select the rendering context for a particular window. | |
| 870 * | |
| 871 * \return 0 on success, -1 if the selected window doesn't have a | |
| 872 * rendering context. | |
| 873 */ | |
| 874 extern DECLSPEC int SDLCALL SDL_SelectRenderer(SDL_WindowID windowID); | |
| 875 | |
| 876 /** | |
| 877 * \fn SDL_TextureID SDL_CreateTexture(Uint32 format, int access, int w, int h) | |
| 878 * | |
|
1706
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Sam Lantinga <slouken@libsdl.org>
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879 * \brief Create a texture for the current rendering context. |
| 1670 | 880 * |
| 881 * \param format The format of the texture | |
| 882 * \param access One of the enumerated values in SDL_TextureAccess | |
| 883 * \param w The width of the texture in pixels | |
| 884 * \param h The height of the texture in pixels | |
| 885 * | |
| 886 * \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. | |
| 887 * | |
| 888 * \sa SDL_QueryTexture() | |
| 889 * \sa SDL_DestroyTexture() | |
|
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|
890 */ |
| 1670 | 891 extern DECLSPEC SDL_TextureID SDLCALL SDL_CreateTexture(Uint32 format, |
| 892 int access, int w, | |
| 893 int h); | |
| 894 | |
| 895 /** | |
| 896 * \fn SDL_TextureID SDL_CreateTextureFromSurface(Uint32 format, int access, SDL_Surface *surface) | |
| 897 * | |
|
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898 * \brief Create a texture from an existing surface. |
| 1670 | 899 * |
| 900 * \param format The format of the texture, or 0 to pick an appropriate format | |
| 901 * \param access One of the enumerated values in SDL_TextureAccess | |
| 902 * \param surface The surface containing pixel data used to fill the texture | |
| 903 * | |
| 904 * \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. | |
| 905 * | |
| 906 * \note The surface is not modified or freed by this function. | |
| 907 * | |
| 908 * \sa SDL_QueryTexture() | |
| 909 * \sa SDL_DestroyTexture() | |
| 910 */ | |
| 911 extern DECLSPEC SDL_TextureID SDLCALL SDL_CreateTextureFromSurface(Uint32 | |
| 912 format, | |
| 913 int access, | |
| 914 SDL_Surface | |
| 915 * surface); | |
| 0 | 916 |
| 1670 | 917 /** |
| 918 * \fn int SDL_QueryTexture(SDL_TextureID textureID, Uint32 *format, int *access, int *w, int *h) | |
| 919 * | |
| 920 * \brief Query the attributes of a texture | |
| 921 * | |
| 922 * \param texture A texture to be queried | |
| 923 * \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. | |
| 924 * \param access A pointer filled in with the actual access to the texture. | |
| 925 * \param w A pointer filled in with the width of the texture in pixels | |
| 926 * \param h A pointer filled in with the height of the texture in pixels | |
| 927 * | |
| 928 * \return 0 on success, or -1 if the texture is not valid | |
| 929 */ | |
| 930 extern DECLSPEC int SDLCALL SDL_QueryTexture(SDL_TextureID textureID, | |
| 931 Uint32 * format, int *access, | |
| 932 int *w, int *h); | |
| 933 | |
| 934 /** | |
|
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935 * \fn int SDL_QueryTexturePixels(SDL_TextureID textureID, void **pixels, int pitch) |
|
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936 * |
|
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937 * \brief Query the pixels of a texture, if the texture does not need to be locked for pixel access. |
|
90bf530ced8e
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938 * |
|
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939 * \param texture A texture to be queried, which was created with SDL_TextureAccess_Local |
|
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940 * \param pixels A pointer filled with a pointer to the pixels for the texture |
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941 * \param pitch A pointer filled in with the pitch of the pixel data |
|
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942 * |
|
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943 * \return 0 on success, or -1 if the texture is not valid, or must be locked for pixel access. |
|
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944 */ |
|
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945 extern DECLSPEC int SDLCALL SDL_QueryTexturePixels(SDL_TextureID textureID, |
|
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946 void **pixels, int *pitch); |
|
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947 |
|
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948 /** |
|
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949 * \fn int SDL_SetTexturePalette(SDL_TextureID textureID, const SDL_Color * colors, int firstcolor, int ncolors) |
| 1670 | 950 * |
| 951 * \brief Update an indexed texture with a color palette | |
| 952 * | |
| 953 * \param texture The texture to update | |
| 954 * \param colors The array of RGB color data | |
| 955 * \param firstcolor The first index to update | |
| 956 * \param ncolors The number of palette entries to fill with the color data | |
| 957 * | |
| 958 * \return 0 on success, or -1 if the texture is not valid or not an indexed texture | |
| 959 */ | |
| 960 extern DECLSPEC int SDLCALL SDL_SetTexturePalette(SDL_TextureID textureID, | |
|
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961 const SDL_Color * colors, |
|
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962 int firstcolor, |
|
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963 int ncolors); |
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964 |
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965 /** |
|
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966 * \fn int SDL_GetTexturePalette(SDL_TextureID textureID, SDL_Color * colors, int firstcolor, int ncolors) |
|
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967 * |
|
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968 * \brief Update an indexed texture with a color palette |
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969 * |
|
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970 * \param texture The texture to update |
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971 * \param colors The array to fill with RGB color data |
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972 * \param firstcolor The first index to retrieve |
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973 * \param ncolors The number of palette entries to retrieve |
|
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974 * |
|
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975 * \return 0 on success, or -1 if the texture is not valid or not an indexed texture |
|
80a5e6a4e1e2
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976 */ |
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977 extern DECLSPEC int SDLCALL SDL_GetTexturePalette(SDL_TextureID textureID, |
| 1670 | 978 SDL_Color * colors, |
| 979 int firstcolor, | |
| 980 int ncolors); | |
| 981 | |
| 982 /** | |
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983 * \fn int SDL_UpdateTexture(SDL_TextureID textureID, const SDL_Rect *rect, const void *pixels, int pitch) |
| 1670 | 984 * |
| 985 * \brief Update the given texture rectangle with new pixel data. | |
| 986 * | |
| 987 * \param texture The texture to update | |
| 988 * \param rect A pointer to the rectangle of pixels to update, or NULL to update the entire texture. | |
| 989 * \param pixels The raw pixel data | |
| 990 * \param pitch The number of bytes between rows of pixel data | |
| 991 * | |
| 992 * \return 0 on success, or -1 if the texture is not valid | |
| 993 * | |
| 994 * \note This is a very slow function for textures not created with SDL_TextureAccess_Local. | |
| 0 | 995 */ |
| 1670 | 996 extern DECLSPEC int SDLCALL SDL_UpdateTexture(SDL_TextureID textureID, |
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997 const SDL_Rect * rect, |
| 1670 | 998 const void *pixels, int pitch); |
| 999 | |
| 1000 /** | |
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1001 * \fn void SDL_LockTexture(SDL_TextureID textureID, const SDL_Rect *rect, int markDirty, void **pixels, int *pitch) |
| 1670 | 1002 * |
| 1003 * \brief Lock a portion of the texture for pixel access. | |
| 1004 * | |
| 1005 * \param texture The texture to lock for access, which must have been created with SDL_TextureAccess_Local. | |
| 1006 * \param rect A pointer to the rectangle to lock for access. If the rect is NULL, the entire texture will be locked. | |
| 1007 * \param markDirty If this is nonzero, the locked area will be marked dirty when the texture is unlocked. | |
| 1008 * \param pixels This is filled in with a pointer to the locked pixels, appropriately offset by the locked area. | |
| 1009 * \param pitch This is filled in with the pitch of the locked pixels. | |
| 1010 * | |
| 1011 * \return 0 on success, or -1 if the texture is not valid or was created with SDL_TextureAccess_Remote | |
| 1012 * | |
| 1013 * \sa SDL_DirtyTexture() | |
| 1014 * \sa SDL_UnlockTexture() | |
| 1015 */ | |
| 1016 extern DECLSPEC int SDLCALL SDL_LockTexture(SDL_TextureID textureID, | |
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1017 const SDL_Rect * rect, |
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1018 int markDirty, void **pixels, |
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1019 int *pitch); |
| 1670 | 1020 |
| 1021 /** | |
| 1022 * \fn void SDL_UnlockTexture(SDL_TextureID textureID) | |
| 1023 * | |
| 1024 * \brief Unlock a texture, uploading the changes to video memory, if needed. | |
| 1025 * | |
| 1026 * \sa SDL_LockTexture() | |
| 1027 * \sa SDL_DirtyTexture() | |
| 1028 */ | |
| 1029 extern DECLSPEC void SDLCALL SDL_UnlockTexture(SDL_TextureID textureID); | |
| 1030 | |
| 1031 /** | |
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1032 * \fn void SDL_DirtyTexture(SDL_TextureID textureID, int numrects, const SDL_Rect * rects) |
| 1670 | 1033 * |
| 1034 * \brief Mark the specified rectangles of the texture as dirty. | |
| 1035 * | |
| 1036 * \note The texture must have been created with SDL_TextureAccess_Local. | |
| 1037 * | |
| 1038 * \sa SDL_LockTexture() | |
| 1039 * \sa SDL_UnlockTexture() | |
| 1040 */ | |
| 1041 extern DECLSPEC void SDLCALL SDL_DirtyTexture(SDL_TextureID textureID, | |
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1042 int numrects, |
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1043 const SDL_Rect * rects); |
| 1670 | 1044 |
| 1045 /** | |
| 1046 * \fn void SDL_SelectRenderTexture(SDL_TextureID textureID) | |
| 1047 * | |
| 1048 * \brief Select a texture as the rendering target, or 0 to reselect the current window. | |
| 1049 * | |
| 1050 * \note The texture must have been created with SDL_TextureAccess_Render. | |
| 1051 */ | |
| 1052 extern DECLSPEC void SDLCALL SDL_SelectRenderTexture(SDL_TextureID textureID); | |
| 1053 | |
| 1054 /** | |
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1055 * \fn void SDL_RenderFill(const SDL_Rect *rect, Uint32 color) |
| 1670 | 1056 * |
| 1057 * \brief Fill the current rendering target with the specified color. | |
| 1058 * | |
| 1059 * \param rect A pointer to the destination rectangle, or NULL for the entire rendering target. | |
| 1060 * \param color An ARGB color value. | |
| 1061 * | |
| 1062 * \return 0 on success, or -1 if there is no renderer current | |
| 1063 */ | |
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1064 extern DECLSPEC int SDLCALL SDL_RenderFill(const SDL_Rect * rect, |
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1065 Uint32 color); |
| 0 | 1066 |
| 1670 | 1067 /** |
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1068 * \fn int SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect *srcrect, const SDL_Rect *dstrect, Uint32 blendMode, Uint32 scaleMode) |
| 1670 | 1069 * |
| 1070 * \brief Copy a portion of the texture to the current rendering target. | |
| 1071 * | |
| 1072 * \param texture The source texture. | |
| 1073 * \param srcrect A pointer to the source rectangle, or NULL for the entire texture. | |
| 1074 * \param dstrect A pointer to the destination rectangle, or NULL for the entire rendering target. | |
| 1075 * \param blendMode SDL_TextureBlendMode to be used if the source texture has an alpha channel. | |
| 1076 * \param scaleMode SDL_TextureScaleMode to be used if the source and destination rectangles don't have the same width and height. | |
| 1077 * | |
| 1078 * \return 0 on success, or -1 if there is no renderer current, or the driver doesn't support the requested operation. | |
| 1079 * | |
| 1080 * \note You can check the video driver info to see what operations are supported. | |
| 1081 */ | |
| 1082 extern DECLSPEC int SDLCALL SDL_RenderCopy(SDL_TextureID textureID, | |
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1083 const SDL_Rect * srcrect, |
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1084 const SDL_Rect * dstrect, |
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1085 int blendMode, int scaleMode); |
| 1670 | 1086 |
| 1087 /** | |
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1088 * \fn int SDL_RenderReadPixels(const SDL_Rect *rect, void *pixels, int pitch) |
| 1670 | 1089 * |
| 1090 * \brief Read pixels from the current rendering target. | |
| 1091 * | |
| 1092 * \param rect A pointer to the rectangle to read, or NULL for the entire render target | |
| 1093 * \param pixels A pointer to be filled in with the pixel data | |
| 1094 * \param pitch The pitch of the pixels parameter | |
| 1095 * | |
| 1096 * \return 0 on success, or -1 if pixel reading is not supported. | |
| 1097 * | |
| 1098 * \warning This is a very slow operation, and should not be used frequently. | |
| 0 | 1099 */ |
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1100 extern DECLSPEC int SDLCALL SDL_RenderReadPixels(const SDL_Rect * rect, |
| 1670 | 1101 void *pixels, int pitch); |
| 1102 | |
| 1103 /** | |
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1104 * \fn int SDL_RenderWritePixels(const SDL_Rect *rect, const void *pixels, int pitch) |
| 1670 | 1105 * |
| 1106 * \brief Write pixels to the current rendering target. | |
| 1107 * | |
| 1108 * \param rect A pointer to the rectangle to write, or NULL for the entire render target | |
| 1109 * \param pixels A pointer to the pixel data to write | |
| 1110 * \param pitch The pitch of the pixels parameter | |
| 1111 * | |
| 1112 * \return 0 on success, or -1 if pixel writing is not supported. | |
| 1113 * | |
| 1114 * \warning This is a very slow operation, and should not be used frequently. | |
| 1115 */ | |
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1116 extern DECLSPEC int SDLCALL SDL_RenderWritePixels(const SDL_Rect * rect, |
| 1670 | 1117 const void *pixels, |
| 1118 int pitch); | |
| 1119 | |
| 1120 /** | |
| 1121 * \fn void SDL_RenderPresent(void) | |
| 1122 * | |
| 1123 * \brief Update the screen with rendering performed. | |
| 1124 */ | |
| 1125 extern DECLSPEC void SDLCALL SDL_RenderPresent(void); | |
| 1126 | |
| 1127 /** | |
| 1128 * \fn void SDL_DestroyTexture(SDL_TextureID textureID); | |
| 1129 * | |
| 1130 * \brief Destroy the specified texture. | |
| 1131 * | |
| 1132 * \sa SDL_CreateTexture() | |
| 1133 * \sa SDL_CreateTextureFromSurface() | |
| 1134 */ | |
| 1135 extern DECLSPEC void SDLCALL SDL_DestroyTexture(SDL_TextureID textureID); | |
| 1136 | |
| 1137 /** | |
| 1138 * \fn void SDL_DestroyRenderer(SDL_WindowID windowID); | |
| 1139 * | |
| 1140 * \brief Destroy the rendering context for a window and free associated | |
| 1141 * textures. | |
| 1142 * | |
| 1143 * \sa SDL_CreateRenderer() | |
| 1144 */ | |
| 1145 extern DECLSPEC void SDLCALL SDL_DestroyRenderer(SDL_WindowID windowID); | |
| 0 | 1146 |
| 1147 /* | |
| 1148 * Maps an RGB triple to an opaque pixel value for a given pixel format | |
| 1149 */ | |
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1150 extern DECLSPEC Uint32 SDLCALL SDL_MapRGB |
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1151 (SDL_PixelFormat * format, Uint8 r, Uint8 g, Uint8 b); |
| 0 | 1152 |
| 1153 /* | |
| 1154 * Maps an RGBA quadruple to a pixel value for a given pixel format | |
| 1155 */ | |
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1156 extern DECLSPEC Uint32 SDLCALL SDL_MapRGBA(SDL_PixelFormat * format, |
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1157 Uint8 r, Uint8 g, Uint8 b, |
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1158 Uint8 a); |
| 0 | 1159 |
| 1160 /* | |
| 1161 * Maps a pixel value into the RGB components for a given pixel format | |
| 1162 */ | |
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1163 extern DECLSPEC void SDLCALL SDL_GetRGB(Uint32 pixel, SDL_PixelFormat * fmt, |
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1164 Uint8 * r, Uint8 * g, Uint8 * b); |
| 0 | 1165 |
| 1166 /* | |
| 1167 * Maps a pixel value into the RGBA components for a given pixel format | |
| 1168 */ | |
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1169 extern DECLSPEC void SDLCALL SDL_GetRGBA(Uint32 pixel, SDL_PixelFormat * fmt, |
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1170 Uint8 * r, Uint8 * g, Uint8 * b, |
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1171 Uint8 * a); |
| 0 | 1172 |
| 1173 /* | |
| 1174 * Allocate and free an RGB surface (must be called after SDL_SetVideoMode) | |
| 1175 * If the depth is 4 or 8 bits, an empty palette is allocated for the surface. | |
| 1176 * If the depth is greater than 8 bits, the pixel format is set using the | |
| 1177 * flags '[RGB]mask'. | |
| 1178 * If the function runs out of memory, it will return NULL. | |
| 1179 * | |
| 1180 * The 'flags' tell what kind of surface to create. | |
| 1181 * SDL_SRCCOLORKEY indicates that the surface will be used for colorkey blits. | |
| 1670 | 1182 * SDL_SRCALPHA means that the surface will be used for alpha blits. |
| 0 | 1183 */ |
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1184 extern DECLSPEC SDL_Surface *SDLCALL SDL_CreateRGBSurface |
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1185 (Uint32 flags, int width, int height, int depth, |
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1186 Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask); |
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1187 extern DECLSPEC SDL_Surface *SDLCALL SDL_CreateRGBSurfaceFrom(void *pixels, |
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1188 int width, |
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1189 int height, |
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1190 int depth, |
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1191 int pitch, |
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1192 Uint32 Rmask, |
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1193 Uint32 Gmask, |
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1194 Uint32 Bmask, |
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1195 Uint32 Amask); |
| 1670 | 1196 extern DECLSPEC SDL_Surface *SDLCALL |
| 1197 SDL_CreateRGBSurfaceFromTexture(SDL_TextureID textureID); | |
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1198 extern DECLSPEC void SDLCALL SDL_FreeSurface(SDL_Surface * surface); |
| 0 | 1199 |
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1200 /** |
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1201 * \fn int SDL_SetSurfacePalette(SDL_Surface *surface, SDL_Palette *palette) |
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1202 * |
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1203 * \brief Set the palette used by a surface. |
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1204 * |
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1205 * \return 0, or -1 if the surface format doesn't use a palette. |
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1206 * |
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1207 * \note A single palette can be shared with many surfaces. |
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1208 */ |
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1209 extern DECLSPEC int SDLCALL SDL_SetSurfacePalette(SDL_Surface * surface, |
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1210 SDL_Palette * palette); |
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1211 |
| 0 | 1212 /* |
| 1213 * SDL_LockSurface() sets up a surface for directly accessing the pixels. | |
| 1214 * Between calls to SDL_LockSurface()/SDL_UnlockSurface(), you can write | |
| 1215 * to and read from 'surface->pixels', using the pixel format stored in | |
| 1216 * 'surface->format'. Once you are done accessing the surface, you should | |
| 1217 * use SDL_UnlockSurface() to release it. | |
| 1218 * | |
| 1219 * Not all surfaces require locking. If SDL_MUSTLOCK(surface) evaluates | |
| 1220 * to 0, then you can read and write to the surface at any time, and the | |
| 1670 | 1221 * pixel format of the surface will not change. |
| 0 | 1222 * |
| 1223 * No operating system or library calls should be made between lock/unlock | |
| 1224 * pairs, as critical system locks may be held during this time. | |
| 1225 * | |
| 1226 * SDL_LockSurface() returns 0, or -1 if the surface couldn't be locked. | |
| 1227 */ | |
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1228 extern DECLSPEC int SDLCALL SDL_LockSurface(SDL_Surface * surface); |
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1229 extern DECLSPEC void SDLCALL SDL_UnlockSurface(SDL_Surface * surface); |
| 0 | 1230 |
| 1231 /* | |
| 1232 * Load a surface from a seekable SDL data source (memory or file.) | |
| 1233 * If 'freesrc' is non-zero, the source will be closed after being read. | |
| 1234 * Returns the new surface, or NULL if there was an error. | |
| 1235 * The new surface should be freed with SDL_FreeSurface(). | |
| 1236 */ | |
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1237 extern DECLSPEC SDL_Surface *SDLCALL SDL_LoadBMP_RW(SDL_RWops * src, |
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1238 int freesrc); |
| 0 | 1239 |
| 1240 /* Convenience macro -- load a surface from a file */ | |
| 1241 #define SDL_LoadBMP(file) SDL_LoadBMP_RW(SDL_RWFromFile(file, "rb"), 1) | |
| 1242 | |
| 1243 /* | |
| 1244 * Save a surface to a seekable SDL data source (memory or file.) | |
| 1245 * If 'freedst' is non-zero, the source will be closed after being written. | |
| 1246 * Returns 0 if successful or -1 if there was an error. | |
| 1247 */ | |
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1248 extern DECLSPEC int SDLCALL SDL_SaveBMP_RW |
|
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1249 (SDL_Surface * surface, SDL_RWops * dst, int freedst); |
| 0 | 1250 |
| 1251 /* Convenience macro -- save a surface to a file */ | |
| 1252 #define SDL_SaveBMP(surface, file) \ | |
| 1253 SDL_SaveBMP_RW(surface, SDL_RWFromFile(file, "wb"), 1) | |
| 1254 | |
| 1255 /* | |
| 1256 * Sets the color key (transparent pixel) in a blittable surface. | |
| 1257 * If 'flag' is SDL_SRCCOLORKEY (optionally OR'd with SDL_RLEACCEL), | |
| 1258 * 'key' will be the transparent pixel in the source image of a blit. | |
| 1259 * SDL_RLEACCEL requests RLE acceleration for the surface if present, | |
| 1260 * and removes RLE acceleration if absent. | |
| 1261 * If 'flag' is 0, this function clears any current color key. | |
| 1262 * This function returns 0, or -1 if there was an error. | |
| 1263 */ | |
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1264 extern DECLSPEC int SDLCALL SDL_SetColorKey |
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1265 (SDL_Surface * surface, Uint32 flag, Uint32 key); |
| 0 | 1266 |
| 1267 /* | |
| 1268 * This function sets the alpha value for the entire surface, as opposed to | |
| 1269 * using the alpha component of each pixel. This value measures the range | |
| 1270 * of transparency of the surface, 0 being completely transparent to 255 | |
| 1271 * being completely opaque. An 'alpha' value of 255 causes blits to be | |
| 1272 * opaque, the source pixels copied to the destination (the default). Note | |
| 1273 * that per-surface alpha can be combined with colorkey transparency. | |
| 1274 * | |
| 1275 * If 'flag' is 0, alpha blending is disabled for the surface. | |
| 1276 * If 'flag' is SDL_SRCALPHA, alpha blending is enabled for the surface. | |
| 1277 * OR:ing the flag with SDL_RLEACCEL requests RLE acceleration for the | |
| 1278 * surface; if SDL_RLEACCEL is not specified, the RLE accel will be removed. | |
|
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1279 * |
|
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1280 * The 'alpha' parameter is ignored for surfaces that have an alpha channel. |
| 0 | 1281 */ |
|
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1282 extern DECLSPEC int SDLCALL SDL_SetAlpha(SDL_Surface * surface, Uint32 flag, |
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1283 Uint8 alpha); |
| 0 | 1284 |
| 1285 /* | |
| 1286 * Sets the clipping rectangle for the destination surface in a blit. | |
| 1287 * | |
| 1288 * If the clip rectangle is NULL, clipping will be disabled. | |
| 1289 * If the clip rectangle doesn't intersect the surface, the function will | |
| 1290 * return SDL_FALSE and blits will be completely clipped. Otherwise the | |
| 1291 * function returns SDL_TRUE and blits to the surface will be clipped to | |
| 1292 * the intersection of the surface area and the clipping rectangle. | |
| 1293 * | |
| 1294 * Note that blits are automatically clipped to the edges of the source | |
| 1295 * and destination surfaces. | |
| 1296 */ | |
|
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1297 extern DECLSPEC SDL_bool SDLCALL SDL_SetClipRect(SDL_Surface * surface, |
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1298 const SDL_Rect * rect); |
| 0 | 1299 |
| 1300 /* | |
| 1301 * Gets the clipping rectangle for the destination surface in a blit. | |
| 1302 * 'rect' must be a pointer to a valid rectangle which will be filled | |
| 1303 * with the correct values. | |
| 1304 */ | |
|
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1305 extern DECLSPEC void SDLCALL SDL_GetClipRect(SDL_Surface * surface, |
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1306 SDL_Rect * rect); |
| 0 | 1307 |
| 1308 /* | |
| 1309 * Creates a new surface of the specified format, and then copies and maps | |
| 1310 * the given surface to it so the blit of the converted surface will be as | |
| 1311 * fast as possible. If this function fails, it returns NULL. | |
| 1312 * | |
| 1313 * The 'flags' parameter is passed to SDL_CreateRGBSurface() and has those | |
| 1314 * semantics. You can also pass SDL_RLEACCEL in the flags parameter and | |
| 1315 * SDL will try to RLE accelerate colorkey and alpha blits in the resulting | |
| 1316 * surface. | |
| 1317 * | |
| 1318 * This function is used internally by SDL_DisplayFormat(). | |
| 1319 */ | |
|
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1320 extern DECLSPEC SDL_Surface *SDLCALL SDL_ConvertSurface |
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1321 (SDL_Surface * src, SDL_PixelFormat * fmt, Uint32 flags); |
| 0 | 1322 |
| 1323 /* | |
| 1670 | 1324 * This function performs a fast fill of the given rectangle with 'color' |
| 1325 * The given rectangle is clipped to the destination surface clip area | |
| 1326 * and the final fill rectangle is saved in the passed in pointer. | |
| 1327 * If 'dstrect' is NULL, the whole surface will be filled with 'color' | |
| 1328 * The color should be a pixel of the format used by the surface, and | |
| 1329 * can be generated by the SDL_MapRGB() function. | |
| 1330 * This function returns 0 on success, or -1 on error. | |
| 1331 */ | |
| 1332 extern DECLSPEC int SDLCALL SDL_FillRect | |
| 1333 (SDL_Surface * dst, SDL_Rect * dstrect, Uint32 color); | |
| 1334 | |
| 1335 /* | |
| 0 | 1336 * This performs a fast blit from the source surface to the destination |
| 1337 * surface. It assumes that the source and destination rectangles are | |
| 1338 * the same size. If either 'srcrect' or 'dstrect' are NULL, the entire | |
| 1339 * surface (src or dst) is copied. The final blit rectangles are saved | |
| 1340 * in 'srcrect' and 'dstrect' after all clipping is performed. | |
| 1341 * If the blit is successful, it returns 0, otherwise it returns -1. | |
| 1342 * | |
| 1343 * The blit function should not be called on a locked surface. | |
| 1344 * | |
| 1345 * The blit semantics for surfaces with and without alpha and colorkey | |
| 1346 * are defined as follows: | |
| 1347 * | |
| 1348 * RGBA->RGB: | |
| 1349 * SDL_SRCALPHA set: | |
| 1350 * alpha-blend (using alpha-channel). | |
| 1351 * SDL_SRCCOLORKEY ignored. | |
| 1352 * SDL_SRCALPHA not set: | |
| 1353 * copy RGB. | |
| 1354 * if SDL_SRCCOLORKEY set, only copy the pixels matching the | |
| 1355 * RGB values of the source colour key, ignoring alpha in the | |
| 1356 * comparison. | |
| 1357 * | |
| 1358 * RGB->RGBA: | |
| 1359 * SDL_SRCALPHA set: | |
| 1360 * alpha-blend (using the source per-surface alpha value); | |
| 1361 * set destination alpha to opaque. | |
| 1362 * SDL_SRCALPHA not set: | |
|
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1363 * copy RGB, set destination alpha to source per-surface alpha value. |
| 0 | 1364 * both: |
| 1365 * if SDL_SRCCOLORKEY set, only copy the pixels matching the | |
| 1366 * source colour key. | |
| 1367 * | |
| 1368 * RGBA->RGBA: | |
| 1369 * SDL_SRCALPHA set: | |
| 1370 * alpha-blend (using the source alpha channel) the RGB values; | |
| 1371 * leave destination alpha untouched. [Note: is this correct?] | |
| 1372 * SDL_SRCCOLORKEY ignored. | |
| 1373 * SDL_SRCALPHA not set: | |
| 1374 * copy all of RGBA to the destination. | |
| 1375 * if SDL_SRCCOLORKEY set, only copy the pixels matching the | |
| 1376 * RGB values of the source colour key, ignoring alpha in the | |
| 1377 * comparison. | |
| 1378 * | |
| 1379 * RGB->RGB: | |
| 1380 * SDL_SRCALPHA set: | |
| 1381 * alpha-blend (using the source per-surface alpha value). | |
| 1382 * SDL_SRCALPHA not set: | |
| 1383 * copy RGB. | |
| 1384 * both: | |
| 1385 * if SDL_SRCCOLORKEY set, only copy the pixels matching the | |
| 1386 * source colour key. | |
| 1387 * | |
| 1388 * If either of the surfaces were in video memory, and the blit returns -2, | |
| 1389 * the video memory was lost, so it should be reloaded with artwork and | |
| 1390 * re-blitted: | |
| 1391 while ( SDL_BlitSurface(image, imgrect, screen, dstrect) == -2 ) { | |
| 1392 while ( SDL_LockSurface(image) < 0 ) | |
| 1393 Sleep(10); | |
| 1394 -- Write image pixels to image->pixels -- | |
| 1395 SDL_UnlockSurface(image); | |
| 1396 } | |
| 1397 * This happens under DirectX 5.0 when the system switches away from your | |
| 1398 * fullscreen application. The lock will also fail until you have access | |
| 1399 * to the video memory again. | |
| 1400 */ | |
| 1401 /* You should call SDL_BlitSurface() unless you know exactly how SDL | |
| 1402 blitting works internally and how to use the other blit functions. | |
| 1403 */ | |
| 1404 #define SDL_BlitSurface SDL_UpperBlit | |
| 1405 | |
| 1406 /* This is the public blit function, SDL_BlitSurface(), and it performs | |
| 1407 rectangle validation and clipping before passing it to SDL_LowerBlit() | |
| 1408 */ | |
|
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1409 extern DECLSPEC int SDLCALL SDL_UpperBlit |
|
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1410 (SDL_Surface * src, SDL_Rect * srcrect, |
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1411 SDL_Surface * dst, SDL_Rect * dstrect); |
| 0 | 1412 /* This is a semi-private blit function and it performs low-level surface |
| 1413 blitting only. | |
| 1414 */ | |
|
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1415 extern DECLSPEC int SDLCALL SDL_LowerBlit |
|
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1416 (SDL_Surface * src, SDL_Rect * srcrect, |
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1417 SDL_Surface * dst, SDL_Rect * dstrect); |
| 0 | 1418 |
| 1670 | 1419 /** |
| 1420 * \fn int SDL_SoftStretch(SDL_Surface * src, SDL_Rect * srcrect, SDL_Surface * dst, SDL_Rect * dstrect) | |
| 0 | 1421 * |
| 1670 | 1422 * \brief Perform a fast, low quality, stretch blit between two surfaces of the same pixel format. |
|
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1423 * |
| 1670 | 1424 * \note This function uses a static buffer, and is not thread-safe. |
| 0 | 1425 */ |
| 1670 | 1426 extern DECLSPEC int SDLCALL SDL_SoftStretch(SDL_Surface * src, |
| 1427 SDL_Rect * srcrect, | |
| 1428 SDL_Surface * dst, | |
| 1429 SDL_Rect * dstrect); | |
| 0 | 1430 |
| 1431 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | |
| 1432 /* OpenGL support functions. */ | |
| 1433 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | |
| 1434 | |
|
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1435 /** |
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1436 * \fn int SDL_GL_LoadLibrary(const char *path) |
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1437 * |
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1438 * \brief Dynamically load an OpenGL library. |
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1439 * |
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1440 * \param path The platform dependent OpenGL library name, or NULL to open the default OpenGL library |
| 0 | 1441 * |
|
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1442 * \return 0 on success, or -1 if the library couldn't be loaded |
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1443 * |
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1444 * \note If you do this, you need to retrieve all of the GL functions used in |
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1445 * your program from the dynamic library using SDL_GL_GetProcAddress(). |
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1446 * |
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1447 * \sa SDL_GL_GetProcAddress() |
| 0 | 1448 */ |
|
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1449 extern DECLSPEC int SDLCALL SDL_GL_LoadLibrary(const char *path); |
| 0 | 1450 |
|
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1451 /** |
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1452 * \fn void *SDL_GL_GetProcAddress(const char *proc) |
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1453 * |
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1454 * \brief Get the address of an OpenGL function. |
| 0 | 1455 */ |
|
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1456 extern DECLSPEC void *SDLCALL SDL_GL_GetProcAddress(const char *proc); |
| 0 | 1457 |
|
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1458 /** |
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1459 * \fn int SDL_GL_SetAttribute(SDL_GLattr attr, int value) |
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1460 * |
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1461 * \brief Set an OpenGL window attribute before window creation. |
| 0 | 1462 */ |
|
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1463 extern DECLSPEC int SDLCALL SDL_GL_SetAttribute(SDL_GLattr attr, int value); |
| 0 | 1464 |
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1465 /** |
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1466 * \fn int SDL_GL_GetWindowAttribute(SDL_WindowID windowID, SDL_GLattr attr, int *value) |
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1467 * |
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1468 * \brief Get the actual value for an OpenGL window attribute. |
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1469 */ |
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1470 extern DECLSPEC int SDLCALL SDL_GL_GetWindowAttribute(SDL_WindowID windowID, |
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1471 SDL_GLattr attr, |
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1472 int *value); |
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1473 |
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1474 /** |
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1475 * \fn SDL_GLContext SDL_GL_CreateContext(SDL_WindowID windowID) |
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1476 * |
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1477 * \brief Create an OpenGL context for use with an OpenGL window, and make it current. |
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1478 * |
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1479 * \sa SDL_GL_DeleteContext() |
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1480 */ |
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1481 extern DECLSPEC SDL_GLContext SDLCALL SDL_GL_CreateContext(SDL_WindowID |
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1482 windowID); |
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1483 |
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1484 /** |
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1485 * \fn int SDL_GL_MakeCurrent(SDL_WindowID windowID, SDL_GLContext context) |
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1486 * |
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1487 * \brief Set up an OpenGL context for rendering into an OpenGL window. |
| 0 | 1488 * |
|
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1489 * \note The context must have been created with a compatible window. |
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1490 */ |
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1491 extern DECLSPEC int SDLCALL SDL_GL_MakeCurrent(SDL_WindowID windowID, |
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1492 SDL_GLContext context); |
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1493 |
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1494 /** |
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1495 * \fn int SDL_GL_SetSwapInterval(int interval) |
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1496 * |
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1497 * \brief Set the swap interval for the current OpenGL context. |
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1498 * |
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1499 * \sa SDL_GL_GetSwapInterval() |
| 0 | 1500 */ |
|
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1501 extern DECLSPEC int SDLCALL SDL_GL_SetSwapInterval(int interval); |
| 0 | 1502 |
|
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1503 /** |
|
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1504 * \fn int SDL_GL_GetSwapInterval(void) |
|
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1505 * |
|
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1506 * \brief Get the swap interval for the current OpenGL context. |
|
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|
1507 * |
|
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|
1508 * \sa SDL_GL_SetSwapInterval() |
|
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|
1509 */ |
|
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1510 extern DECLSPEC int SDLCALL SDL_GL_GetSwapInterval(void); |
|
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1511 |
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1512 /** |
|
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1513 * \fn void SDL_GL_SwapBuffers(void) |
|
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|
1514 * |
| 0 | 1515 * Swap the OpenGL buffers, if double-buffering is supported. |
| 1516 */ | |
|
1668
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1517 extern DECLSPEC void SDLCALL SDL_GL_SwapBuffers(void); |
| 0 | 1518 |
|
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1519 /** |
|
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1520 * \fn void SDL_GL_DeleteContext(SDL_GLContext context) |
|
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1521 * |
|
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1522 * \brief Delete an OpenGL context. |
|
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1523 * |
|
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1524 * \sa SDL_GL_CreateContext() |
|
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1525 */ |
|
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1526 extern DECLSPEC void SDLCALL SDL_GL_DeleteContext(SDL_GLContext context); |
|
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1527 |
|
1724
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1528 /* |
|
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|
1529 * Calculate the intersection of two rectangles |
|
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1530 */ |
|
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|
1531 extern DECLSPEC SDL_bool SDLCALL SDL_IntersectRect(const SDL_Rect * A, |
|
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|
1532 const SDL_Rect * B, |
|
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|
1533 SDL_Rect * intersection); |
|
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1534 |
| 0 | 1535 /* Ends C function definitions when using C++ */ |
| 1536 #ifdef __cplusplus | |
|
1662
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1537 /* *INDENT-OFF* */ |
| 0 | 1538 } |
|
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|
1539 /* *INDENT-ON* */ |
| 0 | 1540 #endif |
| 1541 #include "close_code.h" | |
| 1542 | |
| 1543 #endif /* _SDL_video_h */ | |
|
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|
1544 |
|
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Sam Lantinga <slouken@libsdl.org>
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1545 /* vi: set ts=4 sw=4 expandtab: */ |