Mercurial > sdl-ios-xcode
annotate include/SDL_video.h @ 1670:eef792d31de8 SDL-1.3
Work in progress. :)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 07 Jun 2006 16:10:28 +0000 |
| parents | 9857d21967bb |
| children | d33dcfc3fde7 |
| 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 } SDL_DisplayMode; |
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79 |
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80 /** |
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81 * \typedef SDL_WindowID |
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82 * |
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83 * \brief The type used to identify a window |
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84 * |
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85 * \sa SDL_CreateWindow() |
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86 * \sa SDL_CreateWindowFrom() |
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87 * \sa SDL_DestroyWindow() |
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88 * \sa SDL_GetWindowData() |
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89 * \sa SDL_GetWindowFlags() |
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90 * \sa SDL_GetWindowGrab() |
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91 * \sa SDL_GetWindowPosition() |
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92 * \sa SDL_GetWindowSize() |
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93 * \sa SDL_GetWindowTitle() |
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94 * \sa SDL_HideWindow() |
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95 * \sa SDL_MaximizeWindow() |
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96 * \sa SDL_MinimizeWindow() |
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97 * \sa SDL_RaiseWindow() |
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98 * \sa SDL_RestoreWindow() |
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99 * \sa SDL_SetWindowData() |
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100 * \sa SDL_SetWindowGrab() |
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101 * \sa SDL_SetWindowIcon() |
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102 * \sa SDL_SetWindowPosition() |
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103 * \sa SDL_SetWindowSize() |
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104 * \sa SDL_SetWindowTitle() |
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105 * \sa SDL_ShowWindow() |
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106 */ |
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107 typedef Uint32 SDL_WindowID; |
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108 |
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109 /** |
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110 * \enum SDL_WindowFlags |
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111 * |
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112 * \brief The flags on a window |
| 1670 | 113 * |
| 114 * \sa SDL_GetWindowFlags() | |
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115 */ |
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116 typedef enum |
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117 { |
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118 SDL_WINDOW_FULLSCREEN = 0x00000001, /**< fullscreen window, implies borderless */ |
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119 SDL_WINDOW_BORDERLESS = 0x00000002, /**< no window decoration */ |
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120 SDL_WINDOW_SHOWN = 0x00000004, /**< window is visible */ |
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121 SDL_WINDOW_OPENGL = 0x00000008, /**< window usable with OpenGL context */ |
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122 SDL_WINDOW_RESIZABLE = 0x00000010, /**< window can be resized */ |
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123 SDL_WINDOW_MAXIMIZED = 0x00000020, /**< maximized */ |
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124 SDL_WINDOW_MINIMIZED = 0x00000040, /**< minimized */ |
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125 SDL_WINDOW_INPUT_GRABBED = 0x00000080, /**< window has grabbed input focus */ |
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126 SDL_WINDOW_KEYBOARD_FOCUS = 0x00000100, /**< window has keyboard focus */ |
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127 SDL_WINDOW_MOUSE_FOCUS = 0x00000200, /**< window has mouse focus */ |
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128 } SDL_WindowFlags; |
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129 |
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130 /** |
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131 * \enum SDL_WindowEventID |
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132 * |
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133 * \brief Event subtype for window events |
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134 */ |
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135 typedef enum |
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136 { |
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137 SDL_WINDOWEVENT_NONE, /**< Never used */ |
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138 SDL_WINDOWEVENT_SHOWN, /**< Window has been shown */ |
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139 SDL_WINDOWEVENT_HIDDEN, /**< Window has been hidden */ |
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140 SDL_WINDOWEVENT_MOVED, /**< Window has been moved to data1,data2 */ |
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141 SDL_WINDOWEVENT_RESIZED, /**< Window size changed to data1xdata2 */ |
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142 SDL_WINDOWEVENT_MINIMIZED, /**< Window has been minimized */ |
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143 SDL_WINDOWEVENT_MAXIMIZED, /**< Window has been maximized */ |
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144 SDL_WINDOWEVENT_RESTORED, /**< Window has been restored to normal size and position */ |
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145 SDL_WINDOWEVENT_ENTER, /**< The window has gained mouse focus */ |
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146 SDL_WINDOWEVENT_LEAVE, /**< The window has lost mouse focus */ |
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147 SDL_WINDOWEVENT_FOCUS_GAINED, /**< The window has gained keyboard focus */ |
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148 SDL_WINDOWEVENT_FOCUS_LOST, /**< The window has lost keyboard focus */ |
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149 } SDL_WindowEventID; |
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150 |
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151 /** |
| 1670 | 152 * \enum SDL_RendererFlags |
| 153 * | |
| 154 * \brief Flags used when initializing a render manager. | |
| 155 */ | |
| 156 typedef enum | |
| 157 { | |
| 158 SDL_Renderer_PresentDiscard = 0x00000001, /**< Present leaves the contents of the backbuffer undefined */ | |
| 159 SDL_Renderer_PresentCopy = 0x00000002, /**< Present uses a copy from back buffer to the front buffer */ | |
| 160 SDL_Renderer_PresentFlip2 = 0x00000004, /**< Present uses a flip, swapping back buffer and front buffer */ | |
| 161 SDL_Renderer_PresentFlip3 = 0x00000008, /**< Present uses a flip, rotating between two back buffers and a front buffer */ | |
| 162 SDL_Renderer_PresentVSync = 0x00000010, /**< Present is synchronized with the refresh rate */ | |
| 163 SDL_Renderer_RenderTarget = 0x00000020, /**< The renderer can create texture render targets */ | |
| 164 SDL_Renderer_Accelerated = 0x00000040, /**< The renderer uses hardware acceleration */ | |
| 165 SDL_Renderer_Minimal = 0x00000080, /**< The renderer only supports the read/write pixel and present functions */ | |
| 166 } SDL_RendererFlags; | |
| 167 | |
| 168 /** | |
| 169 * \struct SDL_RendererInfo | |
| 170 * | |
| 171 * \brief Information on the capabilities of a render manager. | |
| 172 */ | |
| 173 typedef struct SDL_RendererInfo | |
| 174 { | |
| 175 const char *name; /**< The name of the renderer */ | |
| 176 Uint32 flags; /**< Supported SDL_RendererFlags */ | |
| 177 Uint32 blend_modes; /**< A mask of supported blend modes */ | |
| 178 Uint32 scale_modes; /**< A mask of supported scale modes */ | |
| 179 Uint32 num_texture_formats; /**< The number of available texture formats */ | |
| 180 Uint32 texture_formats[32]; /**< The available texture formats */ | |
| 181 int max_texture_width; /**< The maximimum texture width */ | |
| 182 int max_texture_height; /**< The maximimum texture height */ | |
| 183 } SDL_RendererInfo; | |
| 184 | |
| 185 /** | |
| 186 * \enum SDL_TextureAccess | |
| 187 * | |
| 188 * \brief The access pattern allowed for a texture | |
| 189 */ | |
| 190 typedef enum | |
| 191 { | |
| 192 SDL_TextureAccess_Render, /**< Unlockable video memory, rendering allowed */ | |
| 193 SDL_TextureAccess_Remote, /**< Unlockable video memory */ | |
| 194 SDL_TextureAccess_Local, /**< Lockable system memory */ | |
| 195 } SDL_TextureAccess; | |
| 196 | |
| 197 /** | |
| 198 * \enum SDL_TextureBlendMode | |
| 199 * | |
| 200 * \brief The blend mode used in SDL_RenderCopy() | |
| 201 */ | |
| 202 typedef enum | |
| 203 { | |
| 204 SDL_TextureBlendMode_None, /**< No blending */ | |
| 205 SDL_TextureBlendMode_Mask, /**< dst = A ? src : dst (alpha is mask) */ | |
| 206 SDL_TextureBlendMode_Blend, /**< dst = (src * A) + (dst * (1-A)) */ | |
| 207 SDL_TextureBlendMode_Add, /**< dst = (src * A) + dst */ | |
| 208 SDL_TextureBlendMode_Mod, /**< dst = src * dst */ | |
| 209 } SDL_TextureBlendMode; | |
| 210 | |
| 211 /** | |
| 212 * \enum SDL_TextureScaleMode | |
| 213 * | |
| 214 * \brief The scale mode used in SDL_RenderCopy() | |
| 215 */ | |
| 216 typedef enum | |
| 217 { | |
| 218 SDL_TextureScaleMode_None, /**< No scaling, rectangles must match dimensions */ | |
| 219 SDL_TextureScaleMode_Fast, /**< Point sampling or equivalent algorithm */ | |
| 220 SDL_TextureScaleMode_Slow, /**< Linear filtering or equivalent algorithm */ | |
| 221 SDL_TextureScaleMode_Best, /**< Bicubic filtering or equivalent algorithm */ | |
| 222 } SDL_TextureScaleMode; | |
| 223 | |
| 224 /** | |
| 225 * \typedef SDL_TextureID | |
| 226 * | |
| 227 * \brief An efficient driver-specific representation of pixel data | |
| 228 */ | |
| 229 typedef Uint32 SDL_TextureID; | |
| 230 | |
| 231 | |
| 232 /* These are the currently supported flags for the SDL_surface */ | |
| 233 /* Used internally (read-only) */ | |
| 234 #define SDL_HWSURFACE 0x00000001 /* Surface represents a texture */ | |
| 235 #define SDL_PREALLOC 0x00000002 /* Surface uses preallocated memory */ | |
| 236 #define SDL_SRCALPHA 0x00000004 /* Blit uses source alpha blending */ | |
| 237 #define SDL_SRCCOLORKEY 0x00000008 /* Blit uses a source color key */ | |
| 238 #define SDL_RLEACCELOK 0x00000010 /* Private flag */ | |
| 239 #define SDL_RLEACCEL 0x00000020 /* Surface is RLE encoded */ | |
| 240 | |
| 241 /* Evaluates to true if the surface needs to be locked before access */ | |
| 242 #define SDL_MUSTLOCK(S) (((S)->flags & (SDL_HWSURFACE|SDL_RLEACCEL)) != 0) | |
| 243 | |
| 244 /* This structure should be treated as read-only, except for 'pixels', | |
| 245 which, if not NULL, contains the raw pixel data for the surface. | |
| 246 */ | |
| 247 typedef struct SDL_Surface | |
| 248 { | |
| 249 Uint32 flags; /* Read-only */ | |
| 250 SDL_PixelFormat *format; /* Read-only */ | |
| 251 int w, h; /* Read-only */ | |
| 252 int pitch; /* Read-only */ | |
| 253 void *pixels; /* Read-write */ | |
| 254 | |
| 255 /* information needed for surfaces requiring locks */ | |
| 256 int locked; | |
| 257 void *lock_data; | |
| 258 | |
| 259 /* clipping information */ | |
| 260 SDL_Rect clip_rect; /* Read-only */ | |
| 261 | |
| 262 /* info for fast blit mapping to other surfaces */ | |
| 263 struct SDL_BlitMap *map; /* Private */ | |
| 264 | |
| 265 /* format version, bumped at every change to invalidate blit maps */ | |
| 266 unsigned int format_version; /* Private */ | |
| 267 | |
| 268 /* Reference count -- used when freeing surface */ | |
| 269 int refcount; /* Read-mostly */ | |
| 270 } SDL_Surface; | |
| 271 | |
| 272 /* typedef for private surface blitting functions */ | |
| 273 typedef int (*SDL_blit) (struct SDL_Surface * src, SDL_Rect * srcrect, | |
| 274 struct SDL_Surface * dst, SDL_Rect * dstrect); | |
| 275 | |
| 276 | |
| 277 /* The most common video overlay formats. | |
| 278 For an explanation of these pixel formats, see: | |
| 279 http://www.webartz.com/fourcc/indexyuv.htm | |
| 280 | |
| 281 For information on the relationship between color spaces, see: | |
| 282 http://www.neuro.sfc.keio.ac.jp/~aly/polygon/info/color-space-faq.html | |
| 283 */ | |
| 284 #define SDL_YV12_OVERLAY 0x32315659 /* Planar mode: Y + V + U (3 planes) */ | |
| 285 #define SDL_IYUV_OVERLAY 0x56555949 /* Planar mode: Y + U + V (3 planes) */ | |
| 286 #define SDL_YUY2_OVERLAY 0x32595559 /* Packed mode: Y0+U0+Y1+V0 (1 plane) */ | |
| 287 #define SDL_UYVY_OVERLAY 0x59565955 /* Packed mode: U0+Y0+V0+Y1 (1 plane) */ | |
| 288 #define SDL_YVYU_OVERLAY 0x55595659 /* Packed mode: Y0+V0+Y1+U0 (1 plane) */ | |
| 289 | |
| 290 /* The YUV hardware video overlay */ | |
| 291 typedef struct SDL_Overlay | |
| 292 { | |
| 293 Uint32 format; /* Read-only */ | |
| 294 int w, h; /* Read-only */ | |
| 295 int planes; /* Read-only */ | |
| 296 Uint16 *pitches; /* Read-only */ | |
| 297 Uint8 **pixels; /* Read-write */ | |
| 298 | |
| 299 /* Hardware-specific surface info */ | |
| 300 struct private_yuvhwfuncs *hwfuncs; | |
| 301 struct private_yuvhwdata *hwdata; | |
| 302 | |
| 303 /* Special flags */ | |
| 304 Uint32 hw_overlay:1; /* Flag: This overlay hardware accelerated? */ | |
| 305 Uint32 UnusedBits:31; | |
| 306 } SDL_Overlay; | |
| 307 | |
| 308 /** | |
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309 * \enum SDL_GLattr |
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310 * |
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311 * \brief OpenGL configuration attributes |
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312 */ |
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313 typedef enum |
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314 { |
| 0 | 315 SDL_GL_RED_SIZE, |
| 316 SDL_GL_GREEN_SIZE, | |
| 317 SDL_GL_BLUE_SIZE, | |
| 318 SDL_GL_ALPHA_SIZE, | |
| 319 SDL_GL_BUFFER_SIZE, | |
| 320 SDL_GL_DOUBLEBUFFER, | |
| 321 SDL_GL_DEPTH_SIZE, | |
| 322 SDL_GL_STENCIL_SIZE, | |
| 323 SDL_GL_ACCUM_RED_SIZE, | |
| 324 SDL_GL_ACCUM_GREEN_SIZE, | |
| 325 SDL_GL_ACCUM_BLUE_SIZE, | |
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326 SDL_GL_ACCUM_ALPHA_SIZE, |
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327 SDL_GL_STEREO, |
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328 SDL_GL_MULTISAMPLEBUFFERS, |
| 1656 | 329 SDL_GL_MULTISAMPLESAMPLES, |
| 330 SDL_GL_ACCELERATED_VISUAL, | |
| 331 SDL_GL_SWAP_CONTROL | |
| 0 | 332 } SDL_GLattr; |
| 333 | |
| 334 | |
| 335 /* Function prototypes */ | |
| 336 | |
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337 /** |
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338 * \fn int SDL_GetNumVideoDrivers(void) |
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339 * |
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340 * \brief Get the number of video drivers compiled into SDL |
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341 * |
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342 * \sa SDL_GetVideoDriver() |
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343 */ |
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344 extern DECLSPEC int SDLCALL SDL_GetNumVideoDrivers(void); |
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345 |
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346 /** |
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347 * \fn const char *SDL_GetVideoDriver(int index) |
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348 * |
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349 * \brief Get the name of a built in video driver. |
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350 * |
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351 * \note The video drivers are presented in the order in which they are |
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352 * normally checked during initialization. |
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353 * |
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354 * \sa SDL_GetNumVideoDrivers() |
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355 */ |
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356 extern DECLSPEC const char *SDLCALL SDL_GetVideoDriver(int index); |
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357 |
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358 /** |
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359 * \fn int SDL_VideoInit(const char *driver_name, Uint32 flags) |
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360 * |
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361 * \brief Initialize the video subsystem, optionally specifying a video driver. |
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362 * |
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363 * \param driver_name Initialize a specific driver by name, or NULL for the default video driver. |
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364 * \param flags FIXME: Still needed? |
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365 * |
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366 * \return 0 on success, -1 on error |
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367 * |
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368 * This function initializes the video subsystem; setting up a connection |
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369 * to the window manager, etc, and determines the available display modes |
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370 * and pixel formats, but does not initialize a window or graphics mode. |
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371 * |
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372 * \sa SDL_VideoQuit() |
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373 */ |
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374 extern DECLSPEC int SDLCALL SDL_VideoInit(const char *driver_name, |
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375 Uint32 flags); |
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376 |
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377 /** |
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378 * \fn void SDL_VideoQuit(void) |
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379 * |
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380 * \brief Shuts down the video subsystem. |
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381 * |
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382 * This function closes all windows, and restores the original video mode. |
| 0 | 383 * |
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384 * \sa SDL_VideoInit() |
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385 */ |
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386 extern DECLSPEC void SDLCALL SDL_VideoQuit(void); |
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387 |
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388 /** |
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389 * \fn const char *SDL_GetCurrentVideoDriver(void) |
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390 * |
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391 * \brief Returns the name of the currently initialized video driver. |
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392 * |
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393 * \return The name of the current video driver or NULL if no driver |
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394 * has been initialized |
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395 * |
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396 * \sa SDL_GetNumVideoDrivers() |
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397 * \sa SDL_GetVideoDriver() |
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398 */ |
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399 extern DECLSPEC const char *SDLCALL SDL_GetCurrentVideoDriver(void); |
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400 |
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401 /** |
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402 * \fn int SDL_GetNumVideoDisplays(void) |
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403 * |
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404 * \brief Returns the number of available video displays. |
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405 * |
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406 * \sa SDL_SelectVideoDisplay() |
| 0 | 407 */ |
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408 extern DECLSPEC int SDLCALL SDL_GetNumVideoDisplays(void); |
| 0 | 409 |
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410 /** |
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411 * \fn int SDL_SelectVideoDisplay(int index) |
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412 * |
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413 * \brief Set the index of the currently selected display. |
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414 * |
| 1670 | 415 * \return The index of the currently selected display. |
| 416 * | |
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417 * \note You can query the currently selected display by passing an index of -1. |
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418 * |
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419 * \sa SDL_GetNumVideoDisplays() |
| 0 | 420 */ |
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421 extern DECLSPEC int SDLCALL SDL_SelectVideoDisplay(int index); |
| 0 | 422 |
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423 /** |
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424 * \fn int SDL_GetNumDisplayModes(void) |
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425 * |
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426 * \brief Returns the number of available display modes for the current display. |
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427 * |
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428 * \sa SDL_GetDisplayMode() |
| 0 | 429 */ |
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430 extern DECLSPEC int SDLCALL SDL_GetNumDisplayModes(void); |
| 0 | 431 |
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432 /** |
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433 * \fn const SDL_DisplayMode *SDL_GetDisplayMode(int index) |
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434 * |
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435 * \brief Retrieve information about a specific display mode. |
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436 * |
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437 * \note The display modes are sorted in this priority: |
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438 * \li bits per pixel -> more colors to fewer colors |
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439 * \li width -> largest to smallest |
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440 * \li height -> largest to smallest |
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441 * \li refresh rate -> highest to lowest |
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442 * |
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443 * \sa SDL_GetNumDisplayModes() |
| 0 | 444 */ |
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445 extern DECLSPEC const SDL_DisplayMode *SDLCALL SDL_GetDisplayMode(int index); |
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446 |
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447 /** |
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448 * \fn const SDL_DisplayMode *SDL_GetDesktopDisplayMode(void) |
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449 * |
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450 * \brief Retrieve information about the desktop display mode for the current display. |
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451 */ |
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452 extern DECLSPEC const SDL_DisplayMode *SDLCALL |
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453 SDL_GetDesktopDisplayMode(void); |
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454 |
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455 /** |
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456 * \fn const SDL_DisplayMode *SDL_GetCurrentDisplayMode(void) |
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457 * |
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458 * \brief Retrieve information about the current display mode. |
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459 */ |
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460 extern DECLSPEC const SDL_DisplayMode *SDLCALL |
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461 SDL_GetCurrentDisplayMode(void); |
| 0 | 462 |
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463 /** |
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464 * \fn SDL_DisplayMode *SDL_GetClosestDisplayMode(const SDL_DisplayMode *mode, SDL_DisplayMode *closest) |
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465 * |
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466 * \brief Get the closest match to the requested display mode. |
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467 * |
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468 * \param mode The desired display mode |
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469 * \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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470 * |
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471 * \return The passed in value 'closest', or NULL if no matching video mode was available. |
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472 * |
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473 * 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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474 * |
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475 * \sa SDL_GetNumDisplayModes() |
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476 * \sa SDL_GetDisplayMode() |
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477 */ |
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478 extern DECLSPEC SDL_DisplayMode *SDLCALL SDL_GetClosestDisplayMode(const |
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479 SDL_DisplayMode |
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480 * mode, |
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481 SDL_DisplayMode |
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482 * closest); |
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483 |
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484 /** |
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485 * \fn int SDL_SetDisplayMode(const SDL_DisplayMode *mode) |
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486 * |
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487 * \brief Set up the closest available mode on the current display. |
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488 * |
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489 * \param mode The desired display mode |
| 0 | 490 * |
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491 * \return 0 on success, or -1 if setting the display mode failed. |
| 0 | 492 */ |
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493 extern DECLSPEC int SDLCALL SDL_SetDisplayMode(const SDL_DisplayMode * mode); |
| 0 | 494 |
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495 /** |
| 1670 | 496 * \fn int SDL_SetDisplayColormap(SDL_Color *colors, int firstcolor, int ncolors) |
| 497 * | |
| 498 * \brief Set the colormap for indexed display modes. | |
| 499 * | |
| 500 * \return 0 on success, or -1 if not all the colors could be set. | |
| 501 */ | |
| 502 extern DECLSPEC int SDLCALL SDL_SetDisplayColors(SDL_Color * colors, | |
| 503 int firstcolor, int ncolors); | |
| 504 | |
| 505 /** | |
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506 * \fn SDL_WindowID SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags) |
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507 * |
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508 * \brief Create a window with the specified position, dimensions, and flags. |
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509 * |
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510 * \param title The title of the window |
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511 * \param x The x position of the window |
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512 * \param y The y position of the window |
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513 * \param w The width of the window |
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514 * \param h The height of the window |
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515 * \param flags The flags for the window |
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516 * |
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517 * \return The id of the window created, or zero if window creation failed. |
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518 * |
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519 * \note Setting the position to -1, -1, indicates any position is fine. |
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520 * |
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521 * \sa SDL_DestroyWindow() |
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522 */ |
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523 extern DECLSPEC SDL_WindowID SDLCALL SDL_CreateWindow(const char *title, |
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524 int x, int y, int w, |
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525 int h, Uint32 flags); |
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526 |
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527 /** |
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528 * \fn SDL_WindowID SDL_CreateWindowFrom(void *data) |
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529 * |
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530 * \brief Create an SDL window struct from an existing native window. |
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531 * |
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532 * \param data A pointer to driver-dependent window creation data |
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533 * |
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534 * \return The id of the window created, or zero if window creation failed. |
| 0 | 535 * |
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536 * \warning This function is NOT SUPPORTED, use at your own risk! |
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537 * |
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538 * \sa SDL_DestroyWindow() |
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539 */ |
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540 extern DECLSPEC SDL_WindowID SDLCALL SDL_CreateWindowFrom(void *data); |
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541 |
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542 /** |
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543 * \fn Uint32 SDL_GetWindowFlags(SDL_WindowID windowID) |
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544 * |
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545 * \brief Get the window flags. |
| 0 | 546 */ |
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547 extern DECLSPEC Uint32 SDLCALL SDL_GetWindowFlags(SDL_WindowID windowID); |
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548 |
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549 /** |
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550 * \fn void SDL_SetWindowTitle(SDL_WindowID windowID, const char *title) |
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551 * |
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552 * \brief Set the title of the window, in UTF-8 format. |
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553 * |
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554 * \sa SDL_GetWindowTitle() |
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555 */ |
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556 extern DECLSPEC void SDLCALL SDL_SetWindowTitle(SDL_WindowID windowID, |
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557 const char *title); |
| 0 | 558 |
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559 /** |
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560 * \fn const char *SDL_GetWindowTitle(SDL_WindowID windowID) |
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561 * |
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562 * \brief Get the title of the window, in UTF-8 format. |
| 0 | 563 * |
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564 * \sa SDL_SetWindowTitle() |
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565 */ |
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566 extern DECLSPEC const char *SDLCALL SDL_GetWindowTitle(SDL_WindowID windowID); |
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567 |
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568 /** |
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569 * \fn void SDL_SetWindowIcon(SDL_Surface *icon) |
| 0 | 570 * |
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571 * \brief Set the icon of the window. |
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572 * |
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573 * \param icon The icon for the window |
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574 * |
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575 * 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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576 */ |
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577 extern DECLSPEC void SDLCALL SDL_SetWindowIcon(SDL_Surface * icon); |
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578 |
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579 /** |
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580 * \fn void SDL_SetWindowData(SDL_WindowID windowID, void *userdata) |
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581 * |
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582 * \brief Associate an arbitrary pointer with the window. |
| 0 | 583 * |
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584 * \sa SDL_GetWindowData() |
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585 */ |
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586 extern DECLSPEC void SDLCALL SDL_SetWindowData(SDL_WindowID windowID, |
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587 void *userdata); |
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588 |
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589 /** |
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590 * \fn void *SDL_GetWindowData(SDL_WindowID windowID) |
| 0 | 591 * |
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592 * \brief Retrieve the data pointer associated with the window. |
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593 * |
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594 * \sa SDL_SetWindowData() |
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595 */ |
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596 extern DECLSPEC void *SDLCALL SDL_GetWindowData(SDL_WindowID windowID); |
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597 |
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598 /** |
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599 * \fn void SDL_SetWindowPosition(SDL_WindowID windowID, int x, int y) |
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600 * |
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601 * \brief Set the position of the window. |
| 0 | 602 * |
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603 * \sa SDL_GetWindowPosition() |
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604 */ |
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605 extern DECLSPEC void SDLCALL SDL_SetWindowPosition(SDL_WindowID windowID, |
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606 int x, int y); |
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607 |
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608 /** |
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609 * \fn void SDL_GetWindowPosition(SDL_WindowID windowID, int *x, int *y) |
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610 * |
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611 * \brief Get the position of the window. |
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612 * |
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613 * \sa SDL_SetWindowPosition() |
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614 */ |
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615 extern DECLSPEC void SDLCALL SDL_GetWindowPosition(SDL_WindowID windowID, |
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616 int *x, int *y); |
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617 |
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618 /** |
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619 * \fn void SDL_SetWindowSize(SDL_WindowID windowID, int w, int w) |
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620 * |
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621 * \brief Set the size of the window's client area. |
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622 * |
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623 * \note You can't change the size of a fullscreen window, it automatically |
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624 * matches the size of the display mode. |
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625 * |
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626 * \sa SDL_GetWindowSize() |
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627 */ |
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628 extern DECLSPEC void SDLCALL SDL_SetWindowSize(SDL_WindowID windowID, int w, |
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629 int h); |
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630 |
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631 /** |
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632 * \fn void SDL_GetWindowSize(SDL_WindowID windowID, int *w, int *w) |
| 0 | 633 * |
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634 * \brief Get the size of the window's client area. |
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635 * |
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636 * \sa SDL_SetWindowSize() |
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637 */ |
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638 extern DECLSPEC void SDLCALL SDL_GetWindowSize(SDL_WindowID windowID, int *w, |
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639 int *h); |
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640 |
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641 /** |
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642 * \fn void SDL_ShowWindow(SDL_WindowID windowID) |
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643 * |
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644 * \brief Show the window |
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645 * |
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646 * \sa SDL_HideWindow() |
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647 */ |
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648 extern DECLSPEC void SDLCALL SDL_ShowWindow(SDL_WindowID windowID); |
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649 |
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650 /** |
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651 * \fn void SDL_HideWindow(SDL_WindowID windowID) |
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652 * |
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653 * \brief Hide the window |
| 0 | 654 * |
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655 * \sa SDL_ShowWindow() |
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656 */ |
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657 extern DECLSPEC void SDLCALL SDL_HideWindow(SDL_WindowID windowID); |
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658 |
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659 /** |
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660 * \fn void SDL_RaiseWindow(SDL_WindowID windowID) |
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661 * |
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662 * \brief Raise the window so it's above other windows. |
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663 */ |
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664 extern DECLSPEC void SDLCALL SDL_RaiseWindow(SDL_WindowID windowID); |
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665 |
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666 /** |
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667 * \fn void SDL_MaximizeWindow(SDL_WindowID windowID) |
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668 * |
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669 * \brief Make the window as large as possible. |
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670 * |
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671 * \sa SDL_RestoreWindow() |
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672 */ |
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673 extern DECLSPEC void SDLCALL SDL_MaximizeWindow(SDL_WindowID windowID); |
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674 |
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675 /** |
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676 * \fn void SDL_MinimizeWindow(SDL_WindowID windowID) |
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677 * |
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678 * \brief Minimize the window to an iconic representation. |
| 0 | 679 * |
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680 * \sa SDL_RestoreWindow() |
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681 */ |
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682 extern DECLSPEC void SDLCALL SDL_MinimizeWindow(SDL_WindowID windowID); |
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683 |
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684 /** |
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685 * \fn void SDL_RestoreWindow(SDL_WindowID windowID) |
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686 * |
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687 * \brief Restore the size and position of a minimized or maximized window. |
| 0 | 688 * |
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689 * \sa SDL_MaximizeWindow() |
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690 * \sa SDL_MinimizeWindow() |
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691 */ |
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692 extern DECLSPEC void SDLCALL SDL_RestoreWindow(SDL_WindowID windowID); |
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693 |
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694 /** |
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695 * \fn void SDL_SetWindowGrab(SDL_WindowID windowID, int mode) |
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696 * |
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697 * \brief Set the window's input grab mode. |
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698 * |
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699 * \param mode This is 1 to grab input, and 0 to release input. |
| 0 | 700 * |
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701 * \sa SDL_GrabMode |
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702 * \sa SDL_GetWindowGrab() |
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703 */ |
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704 extern DECLSPEC void SDLCALL SDL_SetWindowGrab(SDL_WindowID windowID, |
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705 int mode); |
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706 |
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707 /** |
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708 * \fn int SDL_GetWindowGrab(SDL_WindowID windowID) |
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709 * |
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710 * \brief Get the window's input grab mode. |
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711 * |
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712 * \return This returns 1 if input is grabbed, and 0 otherwise. |
| 0 | 713 * |
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714 * \sa SDL_GrabMode |
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715 * \sa SDL_SetWindowGrab() |
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716 */ |
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717 extern DECLSPEC int SDLCALL SDL_GetWindowGrab(SDL_WindowID windowID); |
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718 |
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719 /** |
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720 * \fn void SDL_DestroyWindow(SDL_WindowID windowID) |
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721 * |
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722 * \brief Destroy a window. |
| 0 | 723 */ |
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724 extern DECLSPEC void SDLCALL SDL_DestroyWindow(SDL_WindowID windowID); |
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725 |
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726 /** |
| 1670 | 727 * \fn int SDL_GetNumRenderers(void) |
| 728 * | |
| 729 * \brief Get the number of render managers on the current display. | |
| 730 * | |
| 731 * A render manager is a set of code that handles rendering and texture | |
| 732 * management on a particular display. Normally there is only one, but | |
| 733 * some drivers may have several available with different capabilities. | |
| 734 * | |
| 735 * \sa SDL_GetRendererInfo() | |
| 736 * \sa SDL_CreateRenderer() | |
| 737 */ | |
| 738 extern DECLSPEC int SDLCALL SDL_GetNumRenderers(void); | |
| 739 | |
| 740 /** | |
| 741 * \fn SDL_RendererInfo *SDL_GetRendererInfo(int index) | |
| 742 * | |
| 743 * \brief Get information about a specific render manager on the current | |
| 744 * display. | |
| 745 * | |
| 746 * \sa SDL_CreateRenderer() | |
| 747 */ | |
| 748 extern DECLSPEC int SDLCALL SDL_GetRendererInfo(int index, | |
| 749 SDL_RendererInfo * info); | |
| 750 | |
| 751 /** | |
| 752 * \fn int SDL_CreateRenderer(SDL_WindowID window, int index, Uint32 flags) | |
| 753 * | |
| 754 * \brief Create and make active a 2D rendering context for a window. | |
| 755 * | |
| 756 * \param windowID The window used for rendering. | |
| 757 * \param index The index of the render manager to initialize, or -1 to initialize the first one supporting the requested flags. | |
| 758 * \param flags SDL_RendererFlags | |
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759 * |
| 1670 | 760 * \return 0 on success, -1 if the flags were not supported, or -2 if |
| 761 * there isn't enough memory to support the requested flags | |
| 762 * | |
| 763 * \sa SDL_SelectRenderer() | |
| 764 * \sa SDL_DestroyRenderer() | |
| 765 */ | |
| 766 extern DECLSPEC int SDLCALL SDL_CreateRenderer(SDL_WindowID windowID, | |
| 767 int index, Uint32 flags); | |
| 768 | |
| 769 /** | |
| 770 * \fn int SDL_SelectRenderer(SDL_WindowID windowID) | |
| 771 * | |
| 772 * \brief Select the rendering context for a particular window. | |
| 773 * | |
| 774 * \return 0 on success, -1 if the selected window doesn't have a | |
| 775 * rendering context. | |
| 776 */ | |
| 777 extern DECLSPEC int SDLCALL SDL_SelectRenderer(SDL_WindowID windowID); | |
| 778 | |
| 779 /** | |
| 780 * \fn SDL_TextureID SDL_CreateTexture(Uint32 format, int access, int w, int h) | |
| 781 * | |
| 782 * \brief Create a texture | |
| 783 * | |
| 784 * \param format The format of the texture | |
| 785 * \param access One of the enumerated values in SDL_TextureAccess | |
| 786 * \param w The width of the texture in pixels | |
| 787 * \param h The height of the texture in pixels | |
| 788 * | |
| 789 * \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. | |
| 790 * | |
| 791 * \sa SDL_QueryTexture() | |
| 792 * \sa SDL_DestroyTexture() | |
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793 */ |
| 1670 | 794 extern DECLSPEC SDL_TextureID SDLCALL SDL_CreateTexture(Uint32 format, |
| 795 int access, int w, | |
| 796 int h); | |
| 797 | |
| 798 /** | |
| 799 * \fn SDL_TextureID SDL_CreateTextureFromSurface(Uint32 format, int access, SDL_Surface *surface) | |
| 800 * | |
| 801 * \brief Create a texture from an existing surface | |
| 802 * | |
| 803 * \param format The format of the texture, or 0 to pick an appropriate format | |
| 804 * \param access One of the enumerated values in SDL_TextureAccess | |
| 805 * \param surface The surface containing pixel data used to fill the texture | |
| 806 * | |
| 807 * \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. | |
| 808 * | |
| 809 * \note The surface is not modified or freed by this function. | |
| 810 * | |
| 811 * \sa SDL_QueryTexture() | |
| 812 * \sa SDL_DestroyTexture() | |
| 813 */ | |
| 814 extern DECLSPEC SDL_TextureID SDLCALL SDL_CreateTextureFromSurface(Uint32 | |
| 815 format, | |
| 816 int access, | |
| 817 SDL_Surface | |
| 818 * surface); | |
| 0 | 819 |
| 1670 | 820 /** |
| 821 * \fn int SDL_QueryTexture(SDL_TextureID textureID, Uint32 *format, int *access, int *w, int *h) | |
| 822 * | |
| 823 * \brief Query the attributes of a texture | |
| 824 * | |
| 825 * \param texture A texture to be queried | |
| 826 * \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. | |
| 827 * \param access A pointer filled in with the actual access to the texture. | |
| 828 * \param w A pointer filled in with the width of the texture in pixels | |
| 829 * \param h A pointer filled in with the height of the texture in pixels | |
| 830 * | |
| 831 * \return 0 on success, or -1 if the texture is not valid | |
| 832 */ | |
| 833 extern DECLSPEC int SDLCALL SDL_QueryTexture(SDL_TextureID textureID, | |
| 834 Uint32 * format, int *access, | |
| 835 int *w, int *h); | |
| 836 | |
| 837 /** | |
| 838 * \fn int SDL_SetTexturePalette(SDL_TextureID textureID, SDL_Color * colors, int firstcolor, int ncolors) | |
| 839 * | |
| 840 * \brief Update an indexed texture with a color palette | |
| 841 * | |
| 842 * \param texture The texture to update | |
| 843 * \param colors The array of RGB color data | |
| 844 * \param firstcolor The first index to update | |
| 845 * \param ncolors The number of palette entries to fill with the color data | |
| 846 * | |
| 847 * \return 0 on success, or -1 if the texture is not valid or not an indexed texture | |
| 848 */ | |
| 849 extern DECLSPEC int SDLCALL SDL_SetTexturePalette(SDL_TextureID textureID, | |
| 850 SDL_Color * colors, | |
| 851 int firstcolor, | |
| 852 int ncolors); | |
| 853 | |
| 854 /** | |
| 855 * \fn int SDL_UpdateTexture(SDL_TextureID textureID, SDL_Rect *rect, const void *pixels, int pitch) | |
| 856 * | |
| 857 * \brief Update the given texture rectangle with new pixel data. | |
| 858 * | |
| 859 * \param texture The texture to update | |
| 860 * \param rect A pointer to the rectangle of pixels to update, or NULL to update the entire texture. | |
| 861 * \param pixels The raw pixel data | |
| 862 * \param pitch The number of bytes between rows of pixel data | |
| 863 * | |
| 864 * \return 0 on success, or -1 if the texture is not valid | |
| 865 * | |
| 866 * \note This is a very slow function for textures not created with SDL_TextureAccess_Local. | |
| 0 | 867 */ |
| 1670 | 868 extern DECLSPEC int SDLCALL SDL_UpdateTexture(SDL_TextureID textureID, |
| 869 SDL_Rect * rect, | |
| 870 const void *pixels, int pitch); | |
| 871 | |
| 872 /** | |
| 873 * \fn void SDL_LockTexture(SDL_TextureID textureID, SDL_Rect *rect, int markDirty, void **pixels, int *pitch) | |
| 874 * | |
| 875 * \brief Lock a portion of the texture for pixel access. | |
| 876 * | |
| 877 * \param texture The texture to lock for access, which must have been created with SDL_TextureAccess_Local. | |
| 878 * \param rect A pointer to the rectangle to lock for access. If the rect is NULL, the entire texture will be locked. | |
| 879 * \param markDirty If this is nonzero, the locked area will be marked dirty when the texture is unlocked. | |
| 880 * \param pixels This is filled in with a pointer to the locked pixels, appropriately offset by the locked area. | |
| 881 * \param pitch This is filled in with the pitch of the locked pixels. | |
| 882 * | |
| 883 * \return 0 on success, or -1 if the texture is not valid or was created with SDL_TextureAccess_Remote | |
| 884 * | |
| 885 * \sa SDL_DirtyTexture() | |
| 886 * \sa SDL_UnlockTexture() | |
| 887 */ | |
| 888 extern DECLSPEC int SDLCALL SDL_LockTexture(SDL_TextureID textureID, | |
| 889 SDL_Rect * rect, int markDirty, | |
| 890 void **pixels, int *pitch); | |
| 891 | |
| 892 /** | |
| 893 * \fn void SDL_UnlockTexture(SDL_TextureID textureID) | |
| 894 * | |
| 895 * \brief Unlock a texture, uploading the changes to video memory, if needed. | |
| 896 * | |
| 897 * \sa SDL_LockTexture() | |
| 898 * \sa SDL_DirtyTexture() | |
| 899 */ | |
| 900 extern DECLSPEC void SDLCALL SDL_UnlockTexture(SDL_TextureID textureID); | |
| 901 | |
| 902 /** | |
| 903 * \fn void SDL_DirtyTexture(SDL_TextureID textureID, int numrects, SDL_Rect * rects) | |
| 904 * | |
| 905 * \brief Mark the specified rectangles of the texture as dirty. | |
| 906 * | |
| 907 * \note The texture must have been created with SDL_TextureAccess_Local. | |
| 908 * | |
| 909 * \sa SDL_LockTexture() | |
| 910 * \sa SDL_UnlockTexture() | |
| 911 */ | |
| 912 extern DECLSPEC void SDLCALL SDL_DirtyTexture(SDL_TextureID textureID, | |
| 913 int numrects, SDL_Rect * rects); | |
| 914 | |
| 915 /** | |
| 916 * \fn void SDL_SelectRenderTexture(SDL_TextureID textureID) | |
| 917 * | |
| 918 * \brief Select a texture as the rendering target, or 0 to reselect the current window. | |
| 919 * | |
| 920 * \note The texture must have been created with SDL_TextureAccess_Render. | |
| 921 */ | |
| 922 extern DECLSPEC void SDLCALL SDL_SelectRenderTexture(SDL_TextureID textureID); | |
| 923 | |
| 924 /** | |
| 925 * \fn void SDL_RenderFill(SDL_Rect *rect, Uint32 color) | |
| 926 * | |
| 927 * \brief Fill the current rendering target with the specified color. | |
| 928 * | |
| 929 * \param rect A pointer to the destination rectangle, or NULL for the entire rendering target. | |
| 930 * \param color An ARGB color value. | |
| 931 * | |
| 932 * \return 0 on success, or -1 if there is no renderer current | |
| 933 */ | |
| 934 extern DECLSPEC int SDLCALL SDL_RenderFill(SDL_Rect * rect, Uint32 color); | |
| 0 | 935 |
| 1670 | 936 /** |
| 937 * \fn int SDL_RenderCopy(SDL_TextureID textureID, SDL_Rect *srcrect, SDL_Rect *dstrect, Uint32 blendMode, Uint32 scaleMode) | |
| 938 * | |
| 939 * \brief Copy a portion of the texture to the current rendering target. | |
| 940 * | |
| 941 * \param texture The source texture. | |
| 942 * \param srcrect A pointer to the source rectangle, or NULL for the entire texture. | |
| 943 * \param dstrect A pointer to the destination rectangle, or NULL for the entire rendering target. | |
| 944 * \param blendMode SDL_TextureBlendMode to be used if the source texture has an alpha channel. | |
| 945 * \param scaleMode SDL_TextureScaleMode to be used if the source and destination rectangles don't have the same width and height. | |
| 946 * | |
| 947 * \return 0 on success, or -1 if there is no renderer current, or the driver doesn't support the requested operation. | |
| 948 * | |
| 949 * \note You can check the video driver info to see what operations are supported. | |
| 950 */ | |
| 951 extern DECLSPEC int SDLCALL SDL_RenderCopy(SDL_TextureID textureID, | |
| 952 SDL_Rect * srcrect, | |
| 953 SDL_Rect * dstrect, int blendMode, | |
| 954 int scaleMode); | |
| 955 | |
| 956 /** | |
| 957 * \fn int SDL_RenderReadPixels(SDL_Rect *rect, void *pixels, int pitch) | |
| 958 * | |
| 959 * \brief Read pixels from the current rendering target. | |
| 960 * | |
| 961 * \param rect A pointer to the rectangle to read, or NULL for the entire render target | |
| 962 * \param pixels A pointer to be filled in with the pixel data | |
| 963 * \param pitch The pitch of the pixels parameter | |
| 964 * | |
| 965 * \return 0 on success, or -1 if pixel reading is not supported. | |
| 966 * | |
| 967 * \warning This is a very slow operation, and should not be used frequently. | |
| 0 | 968 */ |
| 1670 | 969 extern DECLSPEC int SDLCALL SDL_RenderReadPixels(SDL_Rect * rect, |
| 970 void *pixels, int pitch); | |
| 971 | |
| 972 /** | |
| 973 * \fn int SDL_RenderWritePixels(SDL_Rect *rect, const void *pixels, int pitch) | |
| 974 * | |
| 975 * \brief Write pixels to the current rendering target. | |
| 976 * | |
| 977 * \param rect A pointer to the rectangle to write, or NULL for the entire render target | |
| 978 * \param pixels A pointer to the pixel data to write | |
| 979 * \param pitch The pitch of the pixels parameter | |
| 980 * | |
| 981 * \return 0 on success, or -1 if pixel writing is not supported. | |
| 982 * | |
| 983 * \warning This is a very slow operation, and should not be used frequently. | |
| 984 */ | |
| 985 extern DECLSPEC int SDLCALL SDL_RenderWritePixels(SDL_Rect * rect, | |
| 986 const void *pixels, | |
| 987 int pitch); | |
| 988 | |
| 989 /** | |
| 990 * \fn void SDL_RenderPresent(void) | |
| 991 * | |
| 992 * \brief Update the screen with rendering performed. | |
| 993 */ | |
| 994 extern DECLSPEC void SDLCALL SDL_RenderPresent(void); | |
| 995 | |
| 996 /** | |
| 997 * \fn void SDL_DestroyTexture(SDL_TextureID textureID); | |
| 998 * | |
| 999 * \brief Destroy the specified texture. | |
| 1000 * | |
| 1001 * \sa SDL_CreateTexture() | |
| 1002 * \sa SDL_CreateTextureFromSurface() | |
| 1003 */ | |
| 1004 extern DECLSPEC void SDLCALL SDL_DestroyTexture(SDL_TextureID textureID); | |
| 1005 | |
| 1006 /** | |
| 1007 * \fn void SDL_DestroyRenderer(SDL_WindowID windowID); | |
| 1008 * | |
| 1009 * \brief Destroy the rendering context for a window and free associated | |
| 1010 * textures. | |
| 1011 * | |
| 1012 * \sa SDL_CreateRenderer() | |
| 1013 */ | |
| 1014 extern DECLSPEC void SDLCALL SDL_DestroyRenderer(SDL_WindowID windowID); | |
| 0 | 1015 |
| 1016 /* | |
| 1017 * Set the gamma correction for each of the color channels. | |
| 1018 * The gamma values range (approximately) between 0.1 and 10.0 | |
| 1019 * | |
| 1020 * If this function isn't supported directly by the hardware, it will | |
| 1021 * be emulated using gamma ramps, if available. If successful, this | |
| 1022 * function returns 0, otherwise it returns -1. | |
| 1023 */ | |
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1024 extern DECLSPEC int SDLCALL SDL_SetGamma(float red, float green, float blue); |
| 0 | 1025 |
| 1026 /* | |
| 1027 * Set the gamma translation table for the red, green, and blue channels | |
| 1028 * of the video hardware. Each table is an array of 256 16-bit quantities, | |
| 1029 * representing a mapping between the input and output for that channel. | |
| 1030 * The input is the index into the array, and the output is the 16-bit | |
| 1031 * gamma value at that index, scaled to the output color precision. | |
| 1032 * | |
| 1033 * You may pass NULL for any of the channels to leave it unchanged. | |
| 1034 * If the call succeeds, it will return 0. If the display driver or | |
| 1035 * hardware does not support gamma translation, or otherwise fails, | |
| 1036 * this function will return -1. | |
| 1037 */ | |
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1038 extern DECLSPEC int SDLCALL SDL_SetGammaRamp(const Uint16 * red, |
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1039 const Uint16 * green, |
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1040 const Uint16 * blue); |
| 0 | 1041 |
| 1042 /* | |
| 1043 * Retrieve the current values of the gamma translation tables. | |
| 1044 * | |
| 1045 * You must pass in valid pointers to arrays of 256 16-bit quantities. | |
| 1046 * Any of the pointers may be NULL to ignore that channel. | |
| 1047 * If the call succeeds, it will return 0. If the display driver or | |
| 1048 * hardware does not support gamma translation, or otherwise fails, | |
| 1049 * this function will return -1. | |
| 1050 */ | |
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1051 extern DECLSPEC int SDLCALL SDL_GetGammaRamp(Uint16 * red, Uint16 * green, |
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1052 Uint16 * blue); |
| 0 | 1053 |
| 1054 /* | |
| 1055 * Sets a portion of the colormap for the given 8-bit surface. If 'surface' | |
| 1056 * is not a palettized surface, this function does nothing, returning 0. | |
| 1057 * If all of the colors were set as passed to SDL_SetColors(), it will | |
| 1058 * return 1. If not all the color entries were set exactly as given, | |
| 1059 * it will return 0, and you should look at the surface palette to | |
| 1060 * determine the actual color palette. | |
| 1061 * | |
| 1062 * When 'surface' is the surface associated with the current display, the | |
| 1063 * display colormap will be updated with the requested colors. If | |
| 1064 * SDL_HWPALETTE was set in SDL_SetVideoMode() flags, SDL_SetColors() | |
| 1065 * will always return 1, and the palette is guaranteed to be set the way | |
| 1066 * you desire, even if the window colormap has to be warped or run under | |
| 1067 * emulation. | |
| 1068 */ | |
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1069 extern DECLSPEC int SDLCALL SDL_SetColors(SDL_Surface * surface, |
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1070 SDL_Color * colors, int firstcolor, |
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1071 int ncolors); |
| 0 | 1072 |
| 1073 /* | |
| 1074 * Maps an RGB triple to an opaque pixel value for a given pixel format | |
| 1075 */ | |
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1076 extern DECLSPEC Uint32 SDLCALL SDL_MapRGB |
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1077 (SDL_PixelFormat * format, Uint8 r, Uint8 g, Uint8 b); |
| 0 | 1078 |
| 1079 /* | |
| 1080 * Maps an RGBA quadruple to a pixel value for a given pixel format | |
| 1081 */ | |
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1082 extern DECLSPEC Uint32 SDLCALL SDL_MapRGBA(SDL_PixelFormat * format, |
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1083 Uint8 r, Uint8 g, Uint8 b, |
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1084 Uint8 a); |
| 0 | 1085 |
| 1086 /* | |
| 1087 * Maps a pixel value into the RGB components for a given pixel format | |
| 1088 */ | |
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1089 extern DECLSPEC void SDLCALL SDL_GetRGB(Uint32 pixel, SDL_PixelFormat * fmt, |
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1090 Uint8 * r, Uint8 * g, Uint8 * b); |
| 0 | 1091 |
| 1092 /* | |
| 1093 * Maps a pixel value into the RGBA components for a given pixel format | |
| 1094 */ | |
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1095 extern DECLSPEC void SDLCALL SDL_GetRGBA(Uint32 pixel, SDL_PixelFormat * fmt, |
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1096 Uint8 * r, Uint8 * g, Uint8 * b, |
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1097 Uint8 * a); |
| 0 | 1098 |
| 1099 /* | |
| 1100 * Allocate and free an RGB surface (must be called after SDL_SetVideoMode) | |
| 1101 * If the depth is 4 or 8 bits, an empty palette is allocated for the surface. | |
| 1102 * If the depth is greater than 8 bits, the pixel format is set using the | |
| 1103 * flags '[RGB]mask'. | |
| 1104 * If the function runs out of memory, it will return NULL. | |
| 1105 * | |
| 1106 * The 'flags' tell what kind of surface to create. | |
| 1107 * SDL_SRCCOLORKEY indicates that the surface will be used for colorkey blits. | |
| 1670 | 1108 * SDL_SRCALPHA means that the surface will be used for alpha blits. |
| 0 | 1109 */ |
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1110 extern DECLSPEC SDL_Surface *SDLCALL SDL_CreateRGBSurface |
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1111 (Uint32 flags, int width, int height, int depth, |
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1112 Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask); |
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1113 extern DECLSPEC SDL_Surface *SDLCALL SDL_CreateRGBSurfaceFrom(void *pixels, |
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1114 int width, |
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1115 int height, |
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1116 int depth, |
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1117 int pitch, |
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1118 Uint32 Rmask, |
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1119 Uint32 Gmask, |
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1120 Uint32 Bmask, |
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1121 Uint32 Amask); |
| 1670 | 1122 extern DECLSPEC SDL_Surface *SDLCALL |
| 1123 SDL_CreateRGBSurfaceFromTexture(SDL_TextureID textureID); | |
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1124 extern DECLSPEC void SDLCALL SDL_FreeSurface(SDL_Surface * surface); |
| 0 | 1125 |
| 1126 /* | |
| 1127 * SDL_LockSurface() sets up a surface for directly accessing the pixels. | |
| 1128 * Between calls to SDL_LockSurface()/SDL_UnlockSurface(), you can write | |
| 1129 * to and read from 'surface->pixels', using the pixel format stored in | |
| 1130 * 'surface->format'. Once you are done accessing the surface, you should | |
| 1131 * use SDL_UnlockSurface() to release it. | |
| 1132 * | |
| 1133 * Not all surfaces require locking. If SDL_MUSTLOCK(surface) evaluates | |
| 1134 * to 0, then you can read and write to the surface at any time, and the | |
| 1670 | 1135 * pixel format of the surface will not change. |
| 0 | 1136 * |
| 1137 * No operating system or library calls should be made between lock/unlock | |
| 1138 * pairs, as critical system locks may be held during this time. | |
| 1139 * | |
| 1140 * SDL_LockSurface() returns 0, or -1 if the surface couldn't be locked. | |
| 1141 */ | |
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1142 extern DECLSPEC int SDLCALL SDL_LockSurface(SDL_Surface * surface); |
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1143 extern DECLSPEC void SDLCALL SDL_UnlockSurface(SDL_Surface * surface); |
| 0 | 1144 |
| 1145 /* | |
| 1146 * Load a surface from a seekable SDL data source (memory or file.) | |
| 1147 * If 'freesrc' is non-zero, the source will be closed after being read. | |
| 1148 * Returns the new surface, or NULL if there was an error. | |
| 1149 * The new surface should be freed with SDL_FreeSurface(). | |
| 1150 */ | |
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1151 extern DECLSPEC SDL_Surface *SDLCALL SDL_LoadBMP_RW(SDL_RWops * src, |
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1152 int freesrc); |
| 0 | 1153 |
| 1154 /* Convenience macro -- load a surface from a file */ | |
| 1155 #define SDL_LoadBMP(file) SDL_LoadBMP_RW(SDL_RWFromFile(file, "rb"), 1) | |
| 1156 | |
| 1157 /* | |
| 1158 * Save a surface to a seekable SDL data source (memory or file.) | |
| 1159 * If 'freedst' is non-zero, the source will be closed after being written. | |
| 1160 * Returns 0 if successful or -1 if there was an error. | |
| 1161 */ | |
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1162 extern DECLSPEC int SDLCALL SDL_SaveBMP_RW |
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1163 (SDL_Surface * surface, SDL_RWops * dst, int freedst); |
| 0 | 1164 |
| 1165 /* Convenience macro -- save a surface to a file */ | |
| 1166 #define SDL_SaveBMP(surface, file) \ | |
| 1167 SDL_SaveBMP_RW(surface, SDL_RWFromFile(file, "wb"), 1) | |
| 1168 | |
| 1169 /* | |
| 1170 * Sets the color key (transparent pixel) in a blittable surface. | |
| 1171 * If 'flag' is SDL_SRCCOLORKEY (optionally OR'd with SDL_RLEACCEL), | |
| 1172 * 'key' will be the transparent pixel in the source image of a blit. | |
| 1173 * SDL_RLEACCEL requests RLE acceleration for the surface if present, | |
| 1174 * and removes RLE acceleration if absent. | |
| 1175 * If 'flag' is 0, this function clears any current color key. | |
| 1176 * This function returns 0, or -1 if there was an error. | |
| 1177 */ | |
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1178 extern DECLSPEC int SDLCALL SDL_SetColorKey |
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1179 (SDL_Surface * surface, Uint32 flag, Uint32 key); |
| 0 | 1180 |
| 1181 /* | |
| 1182 * This function sets the alpha value for the entire surface, as opposed to | |
| 1183 * using the alpha component of each pixel. This value measures the range | |
| 1184 * of transparency of the surface, 0 being completely transparent to 255 | |
| 1185 * being completely opaque. An 'alpha' value of 255 causes blits to be | |
| 1186 * opaque, the source pixels copied to the destination (the default). Note | |
| 1187 * that per-surface alpha can be combined with colorkey transparency. | |
| 1188 * | |
| 1189 * If 'flag' is 0, alpha blending is disabled for the surface. | |
| 1190 * If 'flag' is SDL_SRCALPHA, alpha blending is enabled for the surface. | |
| 1191 * OR:ing the flag with SDL_RLEACCEL requests RLE acceleration for the | |
| 1192 * surface; if SDL_RLEACCEL is not specified, the RLE accel will be removed. | |
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1193 * |
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1194 * The 'alpha' parameter is ignored for surfaces that have an alpha channel. |
| 0 | 1195 */ |
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1196 extern DECLSPEC int SDLCALL SDL_SetAlpha(SDL_Surface * surface, Uint32 flag, |
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1197 Uint8 alpha); |
| 0 | 1198 |
| 1199 /* | |
| 1200 * Sets the clipping rectangle for the destination surface in a blit. | |
| 1201 * | |
| 1202 * If the clip rectangle is NULL, clipping will be disabled. | |
| 1203 * If the clip rectangle doesn't intersect the surface, the function will | |
| 1204 * return SDL_FALSE and blits will be completely clipped. Otherwise the | |
| 1205 * function returns SDL_TRUE and blits to the surface will be clipped to | |
| 1206 * the intersection of the surface area and the clipping rectangle. | |
| 1207 * | |
| 1208 * Note that blits are automatically clipped to the edges of the source | |
| 1209 * and destination surfaces. | |
| 1210 */ | |
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1211 extern DECLSPEC SDL_bool SDLCALL SDL_SetClipRect(SDL_Surface * surface, |
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1212 const SDL_Rect * rect); |
| 0 | 1213 |
| 1214 /* | |
| 1215 * Gets the clipping rectangle for the destination surface in a blit. | |
| 1216 * 'rect' must be a pointer to a valid rectangle which will be filled | |
| 1217 * with the correct values. | |
| 1218 */ | |
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1219 extern DECLSPEC void SDLCALL SDL_GetClipRect(SDL_Surface * surface, |
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1220 SDL_Rect * rect); |
| 0 | 1221 |
| 1222 /* | |
| 1223 * Creates a new surface of the specified format, and then copies and maps | |
| 1224 * the given surface to it so the blit of the converted surface will be as | |
| 1225 * fast as possible. If this function fails, it returns NULL. | |
| 1226 * | |
| 1227 * The 'flags' parameter is passed to SDL_CreateRGBSurface() and has those | |
| 1228 * semantics. You can also pass SDL_RLEACCEL in the flags parameter and | |
| 1229 * SDL will try to RLE accelerate colorkey and alpha blits in the resulting | |
| 1230 * surface. | |
| 1231 * | |
| 1232 * This function is used internally by SDL_DisplayFormat(). | |
| 1233 */ | |
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1234 extern DECLSPEC SDL_Surface *SDLCALL SDL_ConvertSurface |
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1235 (SDL_Surface * src, SDL_PixelFormat * fmt, Uint32 flags); |
| 0 | 1236 |
| 1237 /* | |
| 1670 | 1238 * This function performs a fast fill of the given rectangle with 'color' |
| 1239 * The given rectangle is clipped to the destination surface clip area | |
| 1240 * and the final fill rectangle is saved in the passed in pointer. | |
| 1241 * If 'dstrect' is NULL, the whole surface will be filled with 'color' | |
| 1242 * The color should be a pixel of the format used by the surface, and | |
| 1243 * can be generated by the SDL_MapRGB() function. | |
| 1244 * This function returns 0 on success, or -1 on error. | |
| 1245 */ | |
| 1246 extern DECLSPEC int SDLCALL SDL_FillRect | |
| 1247 (SDL_Surface * dst, SDL_Rect * dstrect, Uint32 color); | |
| 1248 | |
| 1249 /* | |
| 0 | 1250 * This performs a fast blit from the source surface to the destination |
| 1251 * surface. It assumes that the source and destination rectangles are | |
| 1252 * the same size. If either 'srcrect' or 'dstrect' are NULL, the entire | |
| 1253 * surface (src or dst) is copied. The final blit rectangles are saved | |
| 1254 * in 'srcrect' and 'dstrect' after all clipping is performed. | |
| 1255 * If the blit is successful, it returns 0, otherwise it returns -1. | |
| 1256 * | |
| 1257 * The blit function should not be called on a locked surface. | |
| 1258 * | |
| 1259 * The blit semantics for surfaces with and without alpha and colorkey | |
| 1260 * are defined as follows: | |
| 1261 * | |
| 1262 * RGBA->RGB: | |
| 1263 * SDL_SRCALPHA set: | |
| 1264 * alpha-blend (using alpha-channel). | |
| 1265 * SDL_SRCCOLORKEY ignored. | |
| 1266 * SDL_SRCALPHA not set: | |
| 1267 * copy RGB. | |
| 1268 * if SDL_SRCCOLORKEY set, only copy the pixels matching the | |
| 1269 * RGB values of the source colour key, ignoring alpha in the | |
| 1270 * comparison. | |
| 1271 * | |
| 1272 * RGB->RGBA: | |
| 1273 * SDL_SRCALPHA set: | |
| 1274 * alpha-blend (using the source per-surface alpha value); | |
| 1275 * set destination alpha to opaque. | |
| 1276 * SDL_SRCALPHA not set: | |
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1277 * copy RGB, set destination alpha to source per-surface alpha value. |
| 0 | 1278 * both: |
| 1279 * if SDL_SRCCOLORKEY set, only copy the pixels matching the | |
| 1280 * source colour key. | |
| 1281 * | |
| 1282 * RGBA->RGBA: | |
| 1283 * SDL_SRCALPHA set: | |
| 1284 * alpha-blend (using the source alpha channel) the RGB values; | |
| 1285 * leave destination alpha untouched. [Note: is this correct?] | |
| 1286 * SDL_SRCCOLORKEY ignored. | |
| 1287 * SDL_SRCALPHA not set: | |
| 1288 * copy all of RGBA to the destination. | |
| 1289 * if SDL_SRCCOLORKEY set, only copy the pixels matching the | |
| 1290 * RGB values of the source colour key, ignoring alpha in the | |
| 1291 * comparison. | |
| 1292 * | |
| 1293 * RGB->RGB: | |
| 1294 * SDL_SRCALPHA set: | |
| 1295 * alpha-blend (using the source per-surface alpha value). | |
| 1296 * SDL_SRCALPHA not set: | |
| 1297 * copy RGB. | |
| 1298 * both: | |
| 1299 * if SDL_SRCCOLORKEY set, only copy the pixels matching the | |
| 1300 * source colour key. | |
| 1301 * | |
| 1302 * If either of the surfaces were in video memory, and the blit returns -2, | |
| 1303 * the video memory was lost, so it should be reloaded with artwork and | |
| 1304 * re-blitted: | |
| 1305 while ( SDL_BlitSurface(image, imgrect, screen, dstrect) == -2 ) { | |
| 1306 while ( SDL_LockSurface(image) < 0 ) | |
| 1307 Sleep(10); | |
| 1308 -- Write image pixels to image->pixels -- | |
| 1309 SDL_UnlockSurface(image); | |
| 1310 } | |
| 1311 * This happens under DirectX 5.0 when the system switches away from your | |
| 1312 * fullscreen application. The lock will also fail until you have access | |
| 1313 * to the video memory again. | |
| 1314 */ | |
| 1315 /* You should call SDL_BlitSurface() unless you know exactly how SDL | |
| 1316 blitting works internally and how to use the other blit functions. | |
| 1317 */ | |
| 1318 #define SDL_BlitSurface SDL_UpperBlit | |
| 1319 | |
| 1320 /* This is the public blit function, SDL_BlitSurface(), and it performs | |
| 1321 rectangle validation and clipping before passing it to SDL_LowerBlit() | |
| 1322 */ | |
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1323 extern DECLSPEC int SDLCALL SDL_UpperBlit |
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1324 (SDL_Surface * src, SDL_Rect * srcrect, |
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1325 SDL_Surface * dst, SDL_Rect * dstrect); |
| 0 | 1326 /* This is a semi-private blit function and it performs low-level surface |
| 1327 blitting only. | |
| 1328 */ | |
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1329 extern DECLSPEC int SDLCALL SDL_LowerBlit |
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1330 (SDL_Surface * src, SDL_Rect * srcrect, |
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1331 SDL_Surface * dst, SDL_Rect * dstrect); |
| 0 | 1332 |
| 1670 | 1333 /** |
| 1334 * \fn int SDL_SoftStretch(SDL_Surface * src, SDL_Rect * srcrect, SDL_Surface * dst, SDL_Rect * dstrect) | |
| 0 | 1335 * |
| 1670 | 1336 * \brief Perform a fast, low quality, stretch blit between two surfaces of the same pixel format. |
| 1337 * \note This function uses a static buffer, and is not thread-safe. | |
| 0 | 1338 */ |
| 1670 | 1339 extern DECLSPEC int SDLCALL SDL_SoftStretch(SDL_Surface * src, |
| 1340 SDL_Rect * srcrect, | |
| 1341 SDL_Surface * dst, | |
| 1342 SDL_Rect * dstrect); | |
| 0 | 1343 |
| 1344 | |
| 1345 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | |
| 1346 /* YUV video surface overlay functions */ | |
| 1347 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | |
| 1348 | |
| 1349 /* This function creates a video output overlay | |
| 1350 Calling the returned surface an overlay is something of a misnomer because | |
| 1351 the contents of the display surface underneath the area where the overlay | |
| 1352 is shown is undefined - it may be overwritten with the converted YUV data. | |
| 1353 */ | |
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1354 extern DECLSPEC SDL_Overlay *SDLCALL SDL_CreateYUVOverlay(int width, |
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1355 int height, |
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1356 Uint32 format, |
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1357 SDL_Surface * |
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1358 display); |
| 0 | 1359 |
| 1360 /* Lock an overlay for direct access, and unlock it when you are done */ | |
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1361 extern DECLSPEC int SDLCALL SDL_LockYUVOverlay(SDL_Overlay * overlay); |
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1362 extern DECLSPEC void SDLCALL SDL_UnlockYUVOverlay(SDL_Overlay * overlay); |
| 0 | 1363 |
| 1364 /* Blit a video overlay to the display surface. | |
| 1365 The contents of the video surface underneath the blit destination are | |
| 1366 not defined. | |
| 1367 The width and height of the destination rectangle may be different from | |
| 1368 that of the overlay, but currently only 2x scaling is supported. | |
| 1369 */ | |
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1370 extern DECLSPEC int SDLCALL SDL_DisplayYUVOverlay(SDL_Overlay * overlay, |
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1371 SDL_Rect * dstrect); |
| 0 | 1372 |
| 1373 /* Free a video overlay */ | |
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1374 extern DECLSPEC void SDLCALL SDL_FreeYUVOverlay(SDL_Overlay * overlay); |
| 0 | 1375 |
| 1376 | |
| 1377 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | |
| 1378 /* OpenGL support functions. */ | |
| 1379 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | |
| 1380 | |
| 1381 /* | |
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1382 * Dynamically load an OpenGL library, or the default one if path is NULL |
| 0 | 1383 * |
| 1384 * If you do this, you need to retrieve all of the GL functions used in | |
| 1385 * your program from the dynamic library using SDL_GL_GetProcAddress(). | |
| 1386 */ | |
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1387 extern DECLSPEC int SDLCALL SDL_GL_LoadLibrary(const char *path); |
| 0 | 1388 |
| 1389 /* | |
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1390 * Get the address of a GL function |
| 0 | 1391 */ |
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1392 extern DECLSPEC void *SDLCALL SDL_GL_GetProcAddress(const char *proc); |
| 0 | 1393 |
| 1394 /* | |
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1395 * Set an attribute of the OpenGL subsystem before window creation. |
| 0 | 1396 */ |
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1397 extern DECLSPEC int SDLCALL SDL_GL_SetAttribute(SDL_GLattr attr, int value); |
| 0 | 1398 |
| 1399 /* | |
| 1400 * Get an attribute of the OpenGL subsystem from the windowing | |
| 1401 * interface, such as glX. This is of course different from getting | |
| 1402 * the values from SDL's internal OpenGL subsystem, which only | |
| 1403 * stores the values you request before initialization. | |
| 1404 * | |
| 1405 * Developers should track the values they pass into SDL_GL_SetAttribute | |
| 1406 * themselves if they want to retrieve these values. | |
| 1407 */ | |
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1408 extern DECLSPEC int SDLCALL SDL_GL_GetAttribute(SDL_GLattr attr, int *value); |
| 0 | 1409 |
| 1410 /* | |
| 1411 * Swap the OpenGL buffers, if double-buffering is supported. | |
| 1412 */ | |
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1413 extern DECLSPEC void SDLCALL SDL_GL_SwapBuffers(void); |
| 0 | 1414 |
| 1415 /* Ends C function definitions when using C++ */ | |
| 1416 #ifdef __cplusplus | |
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1417 /* *INDENT-OFF* */ |
| 0 | 1418 } |
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1419 /* *INDENT-ON* */ |
| 0 | 1420 #endif |
| 1421 #include "close_code.h" | |
| 1422 | |
| 1423 #endif /* _SDL_video_h */ | |
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1424 |
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1425 /* vi: set ts=4 sw=4 expandtab: */ |