annotate include/SDL_video.h @ 1724:6c63fc2bd986 SDL-1.3

Proof of concept done - Win32 GDI implementation mostly complete.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 06 Jul 2006 07:17:11 +0000
parents 5daa04d862f1
children 98a3207ddde8
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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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
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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.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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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
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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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 */
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28
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29 #ifndef _SDL_video_h
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30 #define _SDL_video_h
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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"
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35 #include "SDL_rwops.h"
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36
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37 #include "begin_code.h"
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38 /* Set up for C function definitions, even when using C++ */
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39 #ifdef __cplusplus
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40 /* *INDENT-OFF* */
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41 extern "C" {
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42 /* *INDENT-ON* */
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43 #endif
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44
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45 /* Transparency definitions: These define alpha as the opacity of a surface */
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46 #define SDL_ALPHA_OPAQUE 255
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47 #define SDL_ALPHA_TRANSPARENT 0
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48
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49 /**
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50 * \struct SDL_Rect
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51 *
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52 * \brief A rectangle, with the origin at the upper left.
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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;
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58 } SDL_Rect;
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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
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113 *
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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_OPENGL = 0x00000002, /**< window usable with OpenGL context */
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120 SDL_WINDOW_SHOWN = 0x00000004, /**< window is visible */
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121 SDL_WINDOW_BORDERLESS = 0x00000008, /**< no window decoration */
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122 SDL_WINDOW_RESIZABLE = 0x00000010, /**< window can be resized */
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123 SDL_WINDOW_MINIMIZED = 0x00000020, /**< minimized */
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124 SDL_WINDOW_MAXIMIZED = 0x00000040, /**< maximized */
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125 SDL_WINDOW_INPUT_GRABBED = 0x00000100, /**< window has grabbed input focus */
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126 SDL_WINDOW_KEYBOARD_FOCUS = 0x00000200, /**< window has keyboard focus */
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127 SDL_WINDOW_MOUSE_FOCUS = 0x00000400, /**< 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 * \def SDL_WINDOWPOS_UNDEFINED
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132 * \brief Used to indicate that you don't care what the window position is.
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133 */
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134 #define SDL_WINDOWPOS_UNDEFINED 0x7FFFFFF
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135 /**
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136 * \def SDL_WINDOWPOS_CENTERED
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137 * \brief Used to indicate that the window position should be centered.
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138 */
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139 #define SDL_WINDOWPOS_CENTERED 0x7FFFFFE
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140
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141 /**
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142 * \enum SDL_WindowEventID
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143 *
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144 * \brief Event subtype for window events
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145 */
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146 typedef enum
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147 {
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148 SDL_WINDOWEVENT_NONE, /**< Never used */
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149 SDL_WINDOWEVENT_SHOWN, /**< Window has been shown */
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150 SDL_WINDOWEVENT_HIDDEN, /**< Window has been hidden */
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151 SDL_WINDOWEVENT_EXPOSED, /**< Window has been exposed and should be redrawn */
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152 SDL_WINDOWEVENT_MOVED, /**< Window has been moved to data1,data2 */
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153 SDL_WINDOWEVENT_RESIZED, /**< Window size changed to data1xdata2 */
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154 SDL_WINDOWEVENT_MINIMIZED, /**< Window has been minimized */
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155 SDL_WINDOWEVENT_MAXIMIZED, /**< Window has been maximized */
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156 SDL_WINDOWEVENT_RESTORED, /**< Window has been restored to normal size and position */
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157 SDL_WINDOWEVENT_ENTER, /**< The window has gained mouse focus */
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158 SDL_WINDOWEVENT_LEAVE, /**< The window has lost mouse focus */
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159 SDL_WINDOWEVENT_FOCUS_GAINED, /**< The window has gained keyboard focus */
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160 SDL_WINDOWEVENT_FOCUS_LOST, /**< The window has lost keyboard focus */
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161 SDL_WINDOWEVENT_CLOSE, /**< The window manager requests that the window be closed */
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162 } SDL_WindowEventID;
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163
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164 /**
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165 * \enum SDL_RendererFlags
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166 *
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167 * \brief Flags used when initializing a render manager.
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168 */
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169 typedef enum
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170 {
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171 SDL_Renderer_PresentDiscard = 0x00000001, /**< Present leaves the contents of the backbuffer undefined */
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172 SDL_Renderer_PresentCopy = 0x00000002, /**< Present uses a copy from back buffer to the front buffer */
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173 SDL_Renderer_PresentFlip2 = 0x00000004, /**< Present uses a flip, swapping back buffer and front buffer */
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174 SDL_Renderer_PresentFlip3 = 0x00000008, /**< Present uses a flip, rotating between two back buffers and a front buffer */
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175 SDL_Renderer_PresentVSync = 0x00000010, /**< Present is synchronized with the refresh rate */
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176 SDL_Renderer_RenderTarget = 0x00000020, /**< The renderer can create texture render targets */
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177 SDL_Renderer_Accelerated = 0x00000040, /**< The renderer uses hardware acceleration */
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178 SDL_Renderer_Minimal = 0x00000080, /**< The renderer only supports the read/write pixel and present functions */
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179 } SDL_RendererFlags;
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180
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181 /**
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182 * \struct SDL_RendererInfo
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183 *
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184 * \brief Information on the capabilities of a render manager.
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185 */
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186 typedef struct SDL_RendererInfo
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187 {
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188 const char *name; /**< The name of the renderer */
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189 Uint32 flags; /**< Supported SDL_RendererFlags */
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190 Uint32 blend_modes; /**< A mask of supported blend modes */
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191 Uint32 scale_modes; /**< A mask of supported scale modes */
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192 Uint32 num_texture_formats; /**< The number of available texture formats */
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193 Uint32 texture_formats[32]; /**< The available texture formats */
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194 int max_texture_width; /**< The maximimum texture width */
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195 int max_texture_height; /**< The maximimum texture height */
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196 } SDL_RendererInfo;
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197
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198 /**
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199 * \enum SDL_TextureAccess
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200 *
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201 * \brief The access pattern allowed for a texture
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202 */
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203 typedef enum
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204 {
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205 SDL_TextureAccess_Render, /**< Unlockable video memory, rendering allowed */
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206 SDL_TextureAccess_Remote, /**< Unlockable video memory */
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207 SDL_TextureAccess_Local, /**< Lockable system memory */
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208 } SDL_TextureAccess;
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209
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210 /**
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211 * \enum SDL_TextureBlendMode
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212 *
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213 * \brief The blend mode used in SDL_RenderCopy()
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214 */
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215 typedef enum
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216 {
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217 SDL_TextureBlendMode_None = 0x00000000, /**< No blending */
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218 SDL_TextureBlendMode_Mask = 0x00000001, /**< dst = A ? src : dst (alpha is mask) */
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219 SDL_TextureBlendMode_Blend = 0x00000002, /**< dst = (src * A) + (dst * (1-A)) */
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220 SDL_TextureBlendMode_Add = 0x00000004, /**< dst = (src * A) + dst */
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221 SDL_TextureBlendMode_Mod = 0x00000008, /**< dst = src * dst */
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222 } SDL_TextureBlendMode;
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223
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224 /**
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225 * \enum SDL_TextureScaleMode
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226 *
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227 * \brief The scale mode used in SDL_RenderCopy()
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228 */
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229 typedef enum
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230 {
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231 SDL_TextureScaleMode_None = 0x00000000, /**< No scaling, rectangles must match dimensions */
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232 SDL_TextureScaleMode_Fast = 0x00000001, /**< Point sampling or equivalent algorithm */
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233 SDL_TextureScaleMode_Slow = 0x00000002, /**< Linear filtering or equivalent algorithm */
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234 SDL_TextureScaleMode_Best = 0x00000004, /**< Bicubic filtering or equivalent algorithm */
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235 } SDL_TextureScaleMode;
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236
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237 /**
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238 * \typedef SDL_TextureID
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239 *
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240 * \brief An efficient driver-specific representation of pixel data
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241 */
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242 typedef Uint32 SDL_TextureID;
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243
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244
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245 /* These are the currently supported flags for the SDL_surface */
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246 /* Used internally (read-only) */
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247 #define SDL_HWSURFACE 0x00000001 /* Surface represents a texture */
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248 #define SDL_PREALLOC 0x00000002 /* Surface uses preallocated memory */
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249 #define SDL_SRCALPHA 0x00000004 /* Blit uses source alpha blending */
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250 #define SDL_SRCCOLORKEY 0x00000008 /* Blit uses a source color key */
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251 #define SDL_RLEACCELOK 0x00000010 /* Private flag */
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252 #define SDL_RLEACCEL 0x00000020 /* Surface is RLE encoded */
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253
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254 /* Evaluates to true if the surface needs to be locked before access */
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255 #define SDL_MUSTLOCK(S) (((S)->flags & (SDL_HWSURFACE|SDL_RLEACCEL)) != 0)
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256
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257 /* This structure should be treated as read-only, except for 'pixels',
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258 which, if not NULL, contains the raw pixel data for the surface.
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259 */
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260 typedef struct SDL_Surface
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261 {
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262 Uint32 flags; /* Read-only */
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263 SDL_PixelFormat *format; /* Read-only */
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264 int w, h; /* Read-only */
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265 int pitch; /* Read-only */
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266 void *pixels; /* Read-write */
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267
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268 /* texture associated with the surface, if any */
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269 SDL_TextureID textureID;
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270
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271 /* information needed for surfaces requiring locks */
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272 int locked;
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273 void *lock_data;
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274
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275 /* clipping information */
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276 SDL_Rect clip_rect; /* Read-only */
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277
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278 /* info for fast blit mapping to other surfaces */
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279 struct SDL_BlitMap *map; /* Private */
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280
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281 /* format version, bumped at every change to invalidate blit maps */
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282 unsigned int format_version; /* Private */
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283
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284 /* Reference count -- used when freeing surface */
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285 int refcount; /* Read-mostly */
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286 } SDL_Surface;
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287
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288 /* typedef for private surface blitting functions */
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289 typedef int (*SDL_blit) (struct SDL_Surface * src, SDL_Rect * srcrect,
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290 struct SDL_Surface * dst, SDL_Rect * dstrect);
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291
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292
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293 /**
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294 * \enum SDL_GLattr
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295 *
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296 * \brief OpenGL configuration attributes
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297 */
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298 typedef enum
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299 {
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300 SDL_GL_RED_SIZE,
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301 SDL_GL_GREEN_SIZE,
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302 SDL_GL_BLUE_SIZE,
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303 SDL_GL_ALPHA_SIZE,
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304 SDL_GL_BUFFER_SIZE,
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305 SDL_GL_DOUBLEBUFFER,
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306 SDL_GL_DEPTH_SIZE,
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307 SDL_GL_STENCIL_SIZE,
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308 SDL_GL_ACCUM_RED_SIZE,
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309 SDL_GL_ACCUM_GREEN_SIZE,
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310 SDL_GL_ACCUM_BLUE_SIZE,
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311 SDL_GL_ACCUM_ALPHA_SIZE,
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312 SDL_GL_STEREO,
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313 SDL_GL_MULTISAMPLEBUFFERS,
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314 SDL_GL_MULTISAMPLESAMPLES,
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315 SDL_GL_ACCELERATED_VISUAL,
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316 SDL_GL_SWAP_CONTROL
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317 } SDL_GLattr;
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318
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319
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320 /* Function prototypes */
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321
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322 /**
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323 * \fn int SDL_GetNumVideoDrivers(void)
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324 *
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325 * \brief Get the number of video drivers compiled into SDL
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326 *
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327 * \sa SDL_GetVideoDriver()
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328 */
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329 extern DECLSPEC int SDLCALL SDL_GetNumVideoDrivers(void);
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330
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331 /**
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332 * \fn const char *SDL_GetVideoDriver(int index)
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333 *
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334 * \brief Get the name of a built in video driver.
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335 *
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336 * \note The video drivers are presented in the order in which they are
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337 * normally checked during initialization.
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338 *
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339 * \sa SDL_GetNumVideoDrivers()
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340 */
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341 extern DECLSPEC const char *SDLCALL SDL_GetVideoDriver(int index);
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342
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343 /**
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344 * \fn int SDL_VideoInit(const char *driver_name, Uint32 flags)
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345 *
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346 * \brief Initialize the video subsystem, optionally specifying a video driver.
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347 *
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348 * \param driver_name Initialize a specific driver by name, or NULL for the default video driver.
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349 * \param flags FIXME: Still needed?
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350 *
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351 * \return 0 on success, -1 on error
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352 *
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353 * This function initializes the video subsystem; setting up a connection
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354 * to the window manager, etc, and determines the available display modes
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355 * and pixel formats, but does not initialize a window or graphics mode.
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356 *
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357 * \sa SDL_VideoQuit()
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358 */
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359 extern DECLSPEC int SDLCALL SDL_VideoInit(const char *driver_name,
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360 Uint32 flags);
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361
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362 /**
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363 * \fn void SDL_VideoQuit(void)
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364 *
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365 * \brief Shuts down the video subsystem.
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366 *
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367 * This function closes all windows, and restores the original video mode.
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368 *
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369 * \sa SDL_VideoInit()
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370 */
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371 extern DECLSPEC void SDLCALL SDL_VideoQuit(void);
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372
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373 /**
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374 * \fn const char *SDL_GetCurrentVideoDriver(void)
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375 *
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376 * \brief Returns the name of the currently initialized video driver.
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377 *
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378 * \return The name of the current video driver or NULL if no driver
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379 * has been initialized
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380 *
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381 * \sa SDL_GetNumVideoDrivers()
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382 * \sa SDL_GetVideoDriver()
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383 */
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384 extern DECLSPEC const char *SDLCALL SDL_GetCurrentVideoDriver(void);
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385
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386 /**
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387 * \fn int SDL_GetNumVideoDisplays(void)
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388 *
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389 * \brief Returns the number of available video displays.
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390 *
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391 * \sa SDL_SelectVideoDisplay()
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392 */
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393 extern DECLSPEC int SDLCALL SDL_GetNumVideoDisplays(void);
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394
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395 /**
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396 * \fn int SDL_SelectVideoDisplay(int index)
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397 *
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398 * \brief Set the index of the currently selected display.
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399 *
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400 * \return The index of the currently selected display.
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401 *
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402 * \note You can query the currently selected display by passing an index of -1.
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403 *
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404 * \sa SDL_GetNumVideoDisplays()
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405 */
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406 extern DECLSPEC int SDLCALL SDL_SelectVideoDisplay(int index);
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407
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408 /**
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409 * \fn int SDL_GetNumDisplayModes(void)
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410 *
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411 * \brief Returns the number of available display modes for the current display.
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412 *
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413 * \sa SDL_GetDisplayMode()
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414 */
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415 extern DECLSPEC int SDLCALL SDL_GetNumDisplayModes(void);
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416
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417 /**
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418 * \fn const SDL_DisplayMode *SDL_GetDisplayMode(int index)
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419 *
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420 * \brief Retrieve information about a specific display mode.
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421 *
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422 * \note The display modes are sorted in this priority:
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423 * \li bits per pixel -> more colors to fewer colors
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424 * \li width -> largest to smallest
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425 * \li height -> largest to smallest
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426 * \li refresh rate -> highest to lowest
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427 *
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428 * \sa SDL_GetNumDisplayModes()
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429 */
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430 extern DECLSPEC const SDL_DisplayMode *SDLCALL SDL_GetDisplayMode(int index);
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431
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432 /**
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433 * \fn const SDL_DisplayMode *SDL_GetDesktopDisplayMode(void)
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434 *
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435 * \brief Retrieve information about the desktop display mode for the current display.
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436 */
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437 extern DECLSPEC const SDL_DisplayMode *SDLCALL
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438 SDL_GetDesktopDisplayMode(void);
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439
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440 /**
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441 * \fn const SDL_DisplayMode *SDL_GetCurrentDisplayMode(void)
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442 *
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443 * \brief Retrieve information about the current display mode.
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444 */
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445 extern DECLSPEC const SDL_DisplayMode *SDLCALL
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446 SDL_GetCurrentDisplayMode(void);
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447
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448 /**
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449 * \fn SDL_DisplayMode *SDL_GetClosestDisplayMode(const SDL_DisplayMode *mode, SDL_DisplayMode *closest)
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450 *
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451 * \brief Get the closest match to the requested display mode.
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452 *
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453 * \param mode The desired display mode
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454 * \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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455 *
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456 * \return The passed in value 'closest', or NULL if no matching video mode was available.
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457 *
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458 * 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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459 *
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460 * \sa SDL_GetNumDisplayModes()
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461 * \sa SDL_GetDisplayMode()
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462 */
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463 extern DECLSPEC SDL_DisplayMode *SDLCALL SDL_GetClosestDisplayMode(const
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464 SDL_DisplayMode
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465 * mode,
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466 SDL_DisplayMode
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467 * closest);
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468
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469 /**
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470 * \fn int SDL_SetDisplayMode(const SDL_DisplayMode *mode)
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471 *
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472 * \brief Set up the closest available mode on the current display.
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473 *
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474 * \param mode The desired display mode, or NULL to set the desktop mode.
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475 *
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476 * \return 0 on success, or -1 if setting the display mode failed.
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477 */
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478 extern DECLSPEC int SDLCALL SDL_SetDisplayMode(const SDL_DisplayMode * mode);
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479
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480 /**
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481 * \fn int SDL_SetDisplayPalette(const SDL_Color *colors, int firstcolor, int ncolors)
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482 *
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483 * \brief Set the palette entries for indexed display modes.
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484 *
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485 * \return 0 on success, or -1 if the display mode isn't palettized or the colors couldn't be set.
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486 */
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487 extern DECLSPEC int SDLCALL SDL_SetDisplayPalette(const SDL_Color * colors,
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488 int firstcolor,
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489 int ncolors);
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490
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491 /**
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492 * \fn int SDL_GetDisplayPalette(SDL_Color *colors, int firstcolor, int ncolors)
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493 *
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494 * \brief Gets the palette entries for indexed display modes.
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495 *
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496 * \return 0 on success, or -1 if the display mode isn't palettized
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497 */
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498 extern DECLSPEC int SDLCALL SDL_GetDisplayPalette(SDL_Color * colors,
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499 int firstcolor,
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500 int ncolors);
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501
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502 /**
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503 * \fn SDL_WindowID SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
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504 *
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505 * \brief Create a window with the specified position, dimensions, and flags.
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506 *
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507 * \param title The title of the window
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508 * \param x The x position of the window
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509 * \param y The y position of the window
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510 * \param w The width of the window
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511 * \param h The height of the window
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512 * \param flags The flags for the window
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513 *
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514 * \return The id of the window created, or zero if window creation failed.
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515 *
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516 * \note Setting the position to -1, -1, indicates any position is fine.
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517 *
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518 * \sa SDL_DestroyWindow()
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519 */
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520 extern DECLSPEC SDL_WindowID SDLCALL SDL_CreateWindow(const char *title,
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521 int x, int y, int w,
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522 int h, Uint32 flags);
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523
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524 /**
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525 * \fn SDL_WindowID SDL_CreateWindowFrom(void *data)
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526 *
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527 * \brief Create an SDL window struct from an existing native window.
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528 *
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529 * \param data A pointer to driver-dependent window creation data
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530 *
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531 * \return The id of the window created, or zero if window creation failed.
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532 *
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533 * \warning This function is NOT SUPPORTED, use at your own risk!
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534 *
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535 * \sa SDL_DestroyWindow()
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536 */
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537 extern DECLSPEC SDL_WindowID SDLCALL SDL_CreateWindowFrom(const void *data);
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538
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539 /**
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540 * \fn Uint32 SDL_GetWindowFlags(SDL_WindowID windowID)
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541 *
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542 * \brief Get the window flags.
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543 */
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544 extern DECLSPEC Uint32 SDLCALL SDL_GetWindowFlags(SDL_WindowID windowID);
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545
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546 /**
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547 * \fn void SDL_SetWindowTitle(SDL_WindowID windowID, const char *title)
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548 *
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549 * \brief Set the title of the window, in UTF-8 format.
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550 *
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551 * \sa SDL_GetWindowTitle()
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552 */
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553 extern DECLSPEC void SDLCALL SDL_SetWindowTitle(SDL_WindowID windowID,
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554 const char *title);
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555
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556 /**
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557 * \fn const char *SDL_GetWindowTitle(SDL_WindowID windowID)
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558 *
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559 * \brief Get the title of the window, in UTF-8 format.
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560 *
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561 * \sa SDL_SetWindowTitle()
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562 */
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563 extern DECLSPEC const char *SDLCALL SDL_GetWindowTitle(SDL_WindowID windowID);
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564
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565 /**
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566 * \fn void SDL_SetWindowIcon(SDL_Surface *icon)
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567 *
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568 * \brief Set the icon of the window.
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569 *
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570 * \param icon The icon for the window
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571 *
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572 * 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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573 */
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574 extern DECLSPEC void SDLCALL SDL_SetWindowIcon(SDL_Surface * icon);
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575
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576 /**
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577 * \fn void SDL_SetWindowData(SDL_WindowID windowID, void *userdata)
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578 *
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579 * \brief Associate an arbitrary pointer with the window.
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580 *
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581 * \sa SDL_GetWindowData()
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582 */
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583 extern DECLSPEC void SDLCALL SDL_SetWindowData(SDL_WindowID windowID,
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584 void *userdata);
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585
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586 /**
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587 * \fn void *SDL_GetWindowData(SDL_WindowID windowID)
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588 *
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589 * \brief Retrieve the data pointer associated with the window.
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590 *
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591 * \sa SDL_SetWindowData()
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592 */
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593 extern DECLSPEC void *SDLCALL SDL_GetWindowData(SDL_WindowID windowID);
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594
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595 /**
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596 * \fn void SDL_SetWindowPosition(SDL_WindowID windowID, int x, int y)
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597 *
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598 * \brief Set the position of the window.
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599 *
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600 * \param windowID The window to reposition
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601 * \param x The x coordinate of the window, SDL_WINDOWPOS_CENTERED, or SDL_WINDOWPOS_UNDEFINED
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602 * \param y The y coordinate of the window, SDL_WINDOWPOS_CENTERED, or SDL_WINDOWPOS_UNDEFINED
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603 *
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604 * \note The window coordinate origin is the upper left of the display.
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605 *
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606 * \sa SDL_GetWindowPosition()
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607 */
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608 extern DECLSPEC void SDLCALL SDL_SetWindowPosition(SDL_WindowID windowID,
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609 int x, int y);
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610
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611 /**
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612 * \fn void SDL_GetWindowPosition(SDL_WindowID windowID, int *x, int *y)
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613 *
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614 * \brief Get the position of the window.
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615 *
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616 * \sa SDL_SetWindowPosition()
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617 */
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618 extern DECLSPEC void SDLCALL SDL_GetWindowPosition(SDL_WindowID windowID,
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619 int *x, int *y);
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620
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621 /**
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622 * \fn void SDL_SetWindowSize(SDL_WindowID windowID, int w, int w)
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623 *
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624 * \brief Set the size of the window's client area.
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625 *
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626 * \note You can't change the size of a fullscreen window, it automatically
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627 * matches the size of the display mode.
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628 *
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629 * \sa SDL_GetWindowSize()
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630 */
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631 extern DECLSPEC void SDLCALL SDL_SetWindowSize(SDL_WindowID windowID, int w,
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632 int h);
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633
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634 /**
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635 * \fn void SDL_GetWindowSize(SDL_WindowID windowID, int *w, int *w)
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636 *
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637 * \brief Get the size of the window's client area.
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638 *
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639 * \sa SDL_SetWindowSize()
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640 */
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641 extern DECLSPEC void SDLCALL SDL_GetWindowSize(SDL_WindowID windowID, int *w,
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642 int *h);
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643
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644 /**
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645 * \fn void SDL_ShowWindow(SDL_WindowID windowID)
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646 *
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647 * \brief Show the window
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648 *
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649 * \sa SDL_HideWindow()
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650 */
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651 extern DECLSPEC void SDLCALL SDL_ShowWindow(SDL_WindowID windowID);
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652
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653 /**
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654 * \fn void SDL_HideWindow(SDL_WindowID windowID)
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655 *
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656 * \brief Hide the window
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657 *
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658 * \sa SDL_ShowWindow()
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659 */
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660 extern DECLSPEC void SDLCALL SDL_HideWindow(SDL_WindowID windowID);
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661
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662 /**
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663 * \fn void SDL_RaiseWindow(SDL_WindowID windowID)
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664 *
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665 * \brief Raise the window so it's above other windows.
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666 */
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667 extern DECLSPEC void SDLCALL SDL_RaiseWindow(SDL_WindowID windowID);
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668
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669 /**
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670 * \fn void SDL_MaximizeWindow(SDL_WindowID windowID)
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671 *
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672 * \brief Make the window as large as possible.
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673 *
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674 * \sa SDL_RestoreWindow()
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675 */
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676 extern DECLSPEC void SDLCALL SDL_MaximizeWindow(SDL_WindowID windowID);
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677
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678 /**
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679 * \fn void SDL_MinimizeWindow(SDL_WindowID windowID)
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680 *
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681 * \brief Minimize the window to an iconic representation.
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diff changeset
682 *
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683 * \sa SDL_RestoreWindow()
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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684 */
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685 extern DECLSPEC void SDLCALL SDL_MinimizeWindow(SDL_WindowID windowID);
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686
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687 /**
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688 * \fn void SDL_RestoreWindow(SDL_WindowID windowID)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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689 *
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690 * \brief Restore the size and position of a minimized or maximized window.
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parents:
diff changeset
691 *
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692 * \sa SDL_MaximizeWindow()
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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693 * \sa SDL_MinimizeWindow()
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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694 */
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695 extern DECLSPEC void SDLCALL SDL_RestoreWindow(SDL_WindowID windowID);
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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696
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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697 /**
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diff changeset
698 * \fn void SDL_SetWindowGrab(SDL_WindowID windowID, int mode)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
699 *
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
700 * \brief Set the window's input grab mode.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
701 *
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
702 * \param mode This is 1 to grab input, and 0 to release input.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
703 *
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
704 * \sa SDL_GrabMode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
705 * \sa SDL_GetWindowGrab()
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
706 */
1668
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diff changeset
707 extern DECLSPEC void SDLCALL SDL_SetWindowGrab(SDL_WindowID windowID,
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708 int mode);
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
709
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
710 /**
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
711 * \fn int SDL_GetWindowGrab(SDL_WindowID windowID)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
712 *
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
713 * \brief Get the window's input grab mode.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
714 *
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
715 * \return This returns 1 if input is grabbed, and 0 otherwise.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
716 *
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
717 * \sa SDL_GrabMode
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1660
diff changeset
718 * \sa SDL_SetWindowGrab()
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
719 */
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720 extern DECLSPEC int SDLCALL SDL_GetWindowGrab(SDL_WindowID windowID);
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
721
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
722 /**
1720
a1ebb17f9c52 Cleaned up a bunch of warnings, started adding Win32 event support
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diff changeset
723 * \fn SDL_bool SDL_GetWindowWMInfo(SDL_WindowID windowID, struct SDL_SysWMinfo * info)
a1ebb17f9c52 Cleaned up a bunch of warnings, started adding Win32 event support
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diff changeset
724 *
a1ebb17f9c52 Cleaned up a bunch of warnings, started adding Win32 event support
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parents: 1719
diff changeset
725 * \brief Get driver specific information about a window.
a1ebb17f9c52 Cleaned up a bunch of warnings, started adding Win32 event support
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parents: 1719
diff changeset
726 *
a1ebb17f9c52 Cleaned up a bunch of warnings, started adding Win32 event support
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parents: 1719
diff changeset
727 * \note Include SDL_syswm.h for the declaration of SDL_SysWMinfo.
a1ebb17f9c52 Cleaned up a bunch of warnings, started adding Win32 event support
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parents: 1719
diff changeset
728 */
a1ebb17f9c52 Cleaned up a bunch of warnings, started adding Win32 event support
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parents: 1719
diff changeset
729 struct SDL_SysWMinfo;
a1ebb17f9c52 Cleaned up a bunch of warnings, started adding Win32 event support
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parents: 1719
diff changeset
730 extern DECLSPEC SDL_bool SDLCALL SDL_GetWindowWMInfo(SDL_WindowID windowID,
a1ebb17f9c52 Cleaned up a bunch of warnings, started adding Win32 event support
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diff changeset
731 struct SDL_SysWMinfo
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diff changeset
732 *info);
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diff changeset
733
a1ebb17f9c52 Cleaned up a bunch of warnings, started adding Win32 event support
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diff changeset
734 /**
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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735 * \fn void SDL_DestroyWindow(SDL_WindowID windowID)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
736 *
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
737 * \brief Destroy a window.
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diff changeset
738 */
1668
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739 extern DECLSPEC void SDLCALL SDL_DestroyWindow(SDL_WindowID windowID);
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740
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741 /**
1670
eef792d31de8 Work in progress. :)
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diff changeset
742 * \fn int SDL_GetNumRenderers(void)
eef792d31de8 Work in progress. :)
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743 *
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744 * \brief Get the number of render managers on the current display.
eef792d31de8 Work in progress. :)
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745 *
eef792d31de8 Work in progress. :)
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diff changeset
746 * A render manager is a set of code that handles rendering and texture
eef792d31de8 Work in progress. :)
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diff changeset
747 * management on a particular display. Normally there is only one, but
eef792d31de8 Work in progress. :)
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diff changeset
748 * some drivers may have several available with different capabilities.
eef792d31de8 Work in progress. :)
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diff changeset
749 *
eef792d31de8 Work in progress. :)
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diff changeset
750 * \sa SDL_GetRendererInfo()
eef792d31de8 Work in progress. :)
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751 * \sa SDL_CreateRenderer()
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752 */
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diff changeset
753 extern DECLSPEC int SDLCALL SDL_GetNumRenderers(void);
eef792d31de8 Work in progress. :)
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diff changeset
754
eef792d31de8 Work in progress. :)
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diff changeset
755 /**
eef792d31de8 Work in progress. :)
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756 * \fn SDL_RendererInfo *SDL_GetRendererInfo(int index)
eef792d31de8 Work in progress. :)
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diff changeset
757 *
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758 * \brief Get information about a specific render manager on the current
eef792d31de8 Work in progress. :)
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diff changeset
759 * display.
eef792d31de8 Work in progress. :)
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diff changeset
760 *
eef792d31de8 Work in progress. :)
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761 * \sa SDL_CreateRenderer()
eef792d31de8 Work in progress. :)
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diff changeset
762 */
eef792d31de8 Work in progress. :)
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diff changeset
763 extern DECLSPEC int SDLCALL SDL_GetRendererInfo(int index,
eef792d31de8 Work in progress. :)
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diff changeset
764 SDL_RendererInfo * info);
eef792d31de8 Work in progress. :)
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765
eef792d31de8 Work in progress. :)
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diff changeset
766 /**
eef792d31de8 Work in progress. :)
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diff changeset
767 * \fn int SDL_CreateRenderer(SDL_WindowID window, int index, Uint32 flags)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
768 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
769 * \brief Create and make active a 2D rendering context for a window.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
770 *
1719
5b9f50c957ed You can now create multiple windows on Win32
Sam Lantinga <slouken@libsdl.org>
parents: 1707
diff changeset
771 * \param windowID The window used for rendering
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
772 * \param index The index of the render manager to initialize, or -1 to initialize the first one supporting the requested flags.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
773 * \param flags SDL_RendererFlags
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
774 *
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
775 * \return 0 on success, -1 if the flags were not supported, or -2 if
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
776 * there isn't enough memory to support the requested flags
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
777 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
778 * \sa SDL_SelectRenderer()
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
779 * \sa SDL_DestroyRenderer()
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
780 */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
781 extern DECLSPEC int SDLCALL SDL_CreateRenderer(SDL_WindowID windowID,
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
782 int index, Uint32 flags);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
783
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
784 /**
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
785 * \fn int SDL_SelectRenderer(SDL_WindowID windowID)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
786 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
787 * \brief Select the rendering context for a particular window.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
788 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
789 * \return 0 on success, -1 if the selected window doesn't have a
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
790 * rendering context.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
791 */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
792 extern DECLSPEC int SDLCALL SDL_SelectRenderer(SDL_WindowID windowID);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
793
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
794 /**
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
795 * \fn SDL_TextureID SDL_CreateTexture(Uint32 format, int access, int w, int h)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
796 *
1706
1577404809f0 Added a multi-window version of testsprite using the new API.
Sam Lantinga <slouken@libsdl.org>
parents: 1683
diff changeset
797 * \brief Create a texture for the current rendering context.
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
798 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
799 * \param format The format of the texture
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
800 * \param access One of the enumerated values in SDL_TextureAccess
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
801 * \param w The width of the texture in pixels
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
802 * \param h The height of the texture in pixels
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
803 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
804 * \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.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
805 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
806 * \sa SDL_QueryTexture()
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
807 * \sa SDL_DestroyTexture()
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
808 */
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
809 extern DECLSPEC SDL_TextureID SDLCALL SDL_CreateTexture(Uint32 format,
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
810 int access, int w,
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
811 int h);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
812
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
813 /**
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
814 * \fn SDL_TextureID SDL_CreateTextureFromSurface(Uint32 format, int access, SDL_Surface *surface)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
815 *
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
816 * \brief Create a texture from an existing surface.
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
817 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
818 * \param format The format of the texture, or 0 to pick an appropriate format
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
819 * \param access One of the enumerated values in SDL_TextureAccess
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
820 * \param surface The surface containing pixel data used to fill the texture
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
821 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
822 * \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.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
823 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
824 * \note The surface is not modified or freed by this function.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
825 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
826 * \sa SDL_QueryTexture()
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
827 * \sa SDL_DestroyTexture()
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
828 */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
829 extern DECLSPEC SDL_TextureID SDLCALL SDL_CreateTextureFromSurface(Uint32
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
830 format,
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
831 int access,
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
832 SDL_Surface
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
833 * surface);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
834
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
835 /**
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
836 * \fn int SDL_QueryTexture(SDL_TextureID textureID, Uint32 *format, int *access, int *w, int *h)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
837 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
838 * \brief Query the attributes of a texture
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
839 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
840 * \param texture A texture to be queried
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
841 * \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.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
842 * \param access A pointer filled in with the actual access to the texture.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
843 * \param w A pointer filled in with the width of the texture in pixels
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
844 * \param h A pointer filled in with the height of the texture in pixels
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
845 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
846 * \return 0 on success, or -1 if the texture is not valid
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
847 */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
848 extern DECLSPEC int SDLCALL SDL_QueryTexture(SDL_TextureID textureID,
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
849 Uint32 * format, int *access,
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
850 int *w, int *h);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
851
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
852 /**
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
853 * \fn int SDL_QueryTexturePixels(SDL_TextureID textureID, void **pixels, int pitch)
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
854 *
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
855 * \brief Query the pixels of a texture, if the texture does not need to be locked for pixel access.
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
856 *
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
857 * \param texture A texture to be queried, which was created with SDL_TextureAccess_Local
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
858 * \param pixels A pointer filled with a pointer to the pixels for the texture
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
859 * \param pitch A pointer filled in with the pitch of the pixel data
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
860 *
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
861 * \return 0 on success, or -1 if the texture is not valid, or must be locked for pixel access.
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
862 */
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
863 extern DECLSPEC int SDLCALL SDL_QueryTexturePixels(SDL_TextureID textureID,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
864 void **pixels, int *pitch);
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
865
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
866 /**
1681
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
867 * \fn int SDL_SetTexturePalette(SDL_TextureID textureID, const SDL_Color * colors, int firstcolor, int ncolors)
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
868 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
869 * \brief Update an indexed texture with a color palette
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
870 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
871 * \param texture The texture to update
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
872 * \param colors The array of RGB color data
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
873 * \param firstcolor The first index to update
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
874 * \param ncolors The number of palette entries to fill with the color data
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
875 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
876 * \return 0 on success, or -1 if the texture is not valid or not an indexed texture
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
877 */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
878 extern DECLSPEC int SDLCALL SDL_SetTexturePalette(SDL_TextureID textureID,
1681
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
879 const SDL_Color * colors,
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
880 int firstcolor,
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
881 int ncolors);
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
882
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
883 /**
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
884 * \fn int SDL_GetTexturePalette(SDL_TextureID textureID, SDL_Color * colors, int firstcolor, int ncolors)
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
885 *
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
886 * \brief Update an indexed texture with a color palette
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
887 *
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
888 * \param texture The texture to update
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
889 * \param colors The array to fill with RGB color data
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
890 * \param firstcolor The first index to retrieve
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
891 * \param ncolors The number of palette entries to retrieve
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
892 *
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
893 * \return 0 on success, or -1 if the texture is not valid or not an indexed texture
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
894 */
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
895 extern DECLSPEC int SDLCALL SDL_GetTexturePalette(SDL_TextureID textureID,
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
896 SDL_Color * colors,
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
897 int firstcolor,
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
898 int ncolors);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
899
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
900 /**
1681
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
901 * \fn int SDL_UpdateTexture(SDL_TextureID textureID, const SDL_Rect *rect, const void *pixels, int pitch)
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
902 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
903 * \brief Update the given texture rectangle with new pixel data.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
904 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
905 * \param texture The texture to update
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
906 * \param rect A pointer to the rectangle of pixels to update, or NULL to update the entire texture.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
907 * \param pixels The raw pixel data
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
908 * \param pitch The number of bytes between rows of pixel data
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
909 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
910 * \return 0 on success, or -1 if the texture is not valid
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
911 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
912 * \note This is a very slow function for textures not created with SDL_TextureAccess_Local.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
913 */
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
914 extern DECLSPEC int SDLCALL SDL_UpdateTexture(SDL_TextureID textureID,
1681
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
915 const SDL_Rect * rect,
1670
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
916 const void *pixels, int pitch);
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
917
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
918 /**
1681
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
919 * \fn void SDL_LockTexture(SDL_TextureID textureID, const SDL_Rect *rect, int markDirty, void **pixels, int *pitch)
1670
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
920 *
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
921 * \brief Lock a portion of the texture for pixel access.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
922 *
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
923 * \param texture The texture to lock for access, which must have been created with SDL_TextureAccess_Local.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
924 * \param rect A pointer to the rectangle to lock for access. If the rect is NULL, the entire texture will be locked.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
925 * \param markDirty If this is nonzero, the locked area will be marked dirty when the texture is unlocked.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
926 * \param pixels This is filled in with a pointer to the locked pixels, appropriately offset by the locked area.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
927 * \param pitch This is filled in with the pitch of the locked pixels.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
928 *
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
929 * \return 0 on success, or -1 if the texture is not valid or was created with SDL_TextureAccess_Remote
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
930 *
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
931 * \sa SDL_DirtyTexture()
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
932 * \sa SDL_UnlockTexture()
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
933 */
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
934 extern DECLSPEC int SDLCALL SDL_LockTexture(SDL_TextureID textureID,
1681
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
935 const SDL_Rect * rect,
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Sam Lantinga <slouken@libsdl.org>
parents: 1678
diff changeset
936 int markDirty, void **pixels,
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
937 int *pitch);
1670
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diff changeset
938
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
939 /**
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
940 * \fn void SDL_UnlockTexture(SDL_TextureID textureID)
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
941 *
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
942 * \brief Unlock a texture, uploading the changes to video memory, if needed.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
943 *
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
944 * \sa SDL_LockTexture()
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
945 * \sa SDL_DirtyTexture()
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
946 */
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parents: 1669
diff changeset
947 extern DECLSPEC void SDLCALL SDL_UnlockTexture(SDL_TextureID textureID);
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
948
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
949 /**
1681
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
950 * \fn void SDL_DirtyTexture(SDL_TextureID textureID, int numrects, const SDL_Rect * rects)
1670
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
951 *
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
952 * \brief Mark the specified rectangles of the texture as dirty.
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
953 *
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diff changeset
954 * \note The texture must have been created with SDL_TextureAccess_Local.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
955 *
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
956 * \sa SDL_LockTexture()
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
957 * \sa SDL_UnlockTexture()
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
958 */
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
959 extern DECLSPEC void SDLCALL SDL_DirtyTexture(SDL_TextureID textureID,
1681
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
960 int numrects,
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
961 const SDL_Rect * rects);
1670
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
962
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
963 /**
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
964 * \fn void SDL_SelectRenderTexture(SDL_TextureID textureID)
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
965 *
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diff changeset
966 * \brief Select a texture as the rendering target, or 0 to reselect the current window.
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
967 *
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
968 * \note The texture must have been created with SDL_TextureAccess_Render.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
969 */
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
970 extern DECLSPEC void SDLCALL SDL_SelectRenderTexture(SDL_TextureID textureID);
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
971
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
972 /**
1681
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
973 * \fn void SDL_RenderFill(const SDL_Rect *rect, Uint32 color)
1670
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
974 *
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
975 * \brief Fill the current rendering target with the specified color.
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Sam Lantinga <slouken@libsdl.org>
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976 *
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
977 * \param rect A pointer to the destination rectangle, or NULL for the entire rendering target.
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
978 * \param color An ARGB color value.
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
979 *
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
980 * \return 0 on success, or -1 if there is no renderer current
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
981 */
1681
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
982 extern DECLSPEC int SDLCALL SDL_RenderFill(const SDL_Rect * rect,
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
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diff changeset
983 Uint32 color);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
984
1670
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
985 /**
1681
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
986 * \fn int SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect *srcrect, const SDL_Rect *dstrect, Uint32 blendMode, Uint32 scaleMode)
1670
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
987 *
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
988 * \brief Copy a portion of the texture to the current rendering target.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
989 *
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
990 * \param texture The source texture.
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parents: 1669
diff changeset
991 * \param srcrect A pointer to the source rectangle, or NULL for the entire texture.
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
992 * \param dstrect A pointer to the destination rectangle, or NULL for the entire rendering target.
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
993 * \param blendMode SDL_TextureBlendMode to be used if the source texture has an alpha channel.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
994 * \param scaleMode SDL_TextureScaleMode to be used if the source and destination rectangles don't have the same width and height.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
995 *
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
996 * \return 0 on success, or -1 if there is no renderer current, or the driver doesn't support the requested operation.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
997 *
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
998 * \note You can check the video driver info to see what operations are supported.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
999 */
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1000 extern DECLSPEC int SDLCALL SDL_RenderCopy(SDL_TextureID textureID,
1681
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
1001 const SDL_Rect * srcrect,
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
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diff changeset
1002 const SDL_Rect * dstrect,
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1003 int blendMode, int scaleMode);
1670
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1004
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1005 /**
1681
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
1006 * \fn int SDL_RenderReadPixels(const SDL_Rect *rect, void *pixels, int pitch)
1670
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1007 *
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1008 * \brief Read pixels from the current rendering target.
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Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1009 *
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1010 * \param rect A pointer to the rectangle to read, or NULL for the entire render target
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1011 * \param pixels A pointer to be filled in with the pixel data
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1012 * \param pitch The pitch of the pixels parameter
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1013 *
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diff changeset
1014 * \return 0 on success, or -1 if pixel reading is not supported.
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1015 *
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diff changeset
1016 * \warning This is a very slow operation, and should not be used frequently.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1017 */
1681
80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
1018 extern DECLSPEC int SDLCALL SDL_RenderReadPixels(const SDL_Rect * rect,
1670
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1019 void *pixels, int pitch);
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diff changeset
1020
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1021 /**
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80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
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diff changeset
1022 * \fn int SDL_RenderWritePixels(const SDL_Rect *rect, const void *pixels, int pitch)
1670
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diff changeset
1023 *
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1024 * \brief Write pixels to the current rendering target.
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1025 *
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1026 * \param rect A pointer to the rectangle to write, or NULL for the entire render target
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1027 * \param pixels A pointer to the pixel data to write
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diff changeset
1028 * \param pitch The pitch of the pixels parameter
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diff changeset
1029 *
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diff changeset
1030 * \return 0 on success, or -1 if pixel writing is not supported.
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1031 *
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diff changeset
1032 * \warning This is a very slow operation, and should not be used frequently.
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1033 */
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80a5e6a4e1e2 Working on paletted display and texture support (two different issues)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
1034 extern DECLSPEC int SDLCALL SDL_RenderWritePixels(const SDL_Rect * rect,
1670
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diff changeset
1035 const void *pixels,
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diff changeset
1036 int pitch);
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diff changeset
1037
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diff changeset
1038 /**
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diff changeset
1039 * \fn void SDL_RenderPresent(void)
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diff changeset
1040 *
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diff changeset
1041 * \brief Update the screen with rendering performed.
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diff changeset
1042 */
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diff changeset
1043 extern DECLSPEC void SDLCALL SDL_RenderPresent(void);
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diff changeset
1044
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diff changeset
1045 /**
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diff changeset
1046 * \fn void SDL_DestroyTexture(SDL_TextureID textureID);
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diff changeset
1047 *
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diff changeset
1048 * \brief Destroy the specified texture.
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
1049 *
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diff changeset
1050 * \sa SDL_CreateTexture()
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diff changeset
1051 * \sa SDL_CreateTextureFromSurface()
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diff changeset
1052 */
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diff changeset
1053 extern DECLSPEC void SDLCALL SDL_DestroyTexture(SDL_TextureID textureID);
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diff changeset
1054
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diff changeset
1055 /**
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diff changeset
1056 * \fn void SDL_DestroyRenderer(SDL_WindowID windowID);
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diff changeset
1057 *
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diff changeset
1058 * \brief Destroy the rendering context for a window and free associated
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diff changeset
1059 * textures.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1060 *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1061 * \sa SDL_CreateRenderer()
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1062 */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1063 extern DECLSPEC void SDLCALL SDL_DestroyRenderer(SDL_WindowID windowID);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1064
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1065 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1066 * Set the gamma correction for each of the color channels.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1067 * The gamma values range (approximately) between 0.1 and 10.0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1068 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1069 * If this function isn't supported directly by the hardware, it will
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1070 * be emulated using gamma ramps, if available. If successful, this
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1071 * function returns 0, otherwise it returns -1.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1072 */
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1073 extern DECLSPEC int SDLCALL SDL_SetGamma(float red, float green, float blue);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1074
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1075 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1076 * Set the gamma translation table for the red, green, and blue channels
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1077 * of the video hardware. Each table is an array of 256 16-bit quantities,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1078 * representing a mapping between the input and output for that channel.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1079 * The input is the index into the array, and the output is the 16-bit
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1080 * gamma value at that index, scaled to the output color precision.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1081 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1082 * You may pass NULL for any of the channels to leave it unchanged.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1083 * If the call succeeds, it will return 0. If the display driver or
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1084 * hardware does not support gamma translation, or otherwise fails,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1085 * this function will return -1.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1086 */
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1087 extern DECLSPEC int SDLCALL SDL_SetGammaRamp(const Uint16 * red,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1088 const Uint16 * green,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1089 const Uint16 * blue);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1090
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1091 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1092 * Retrieve the current values of the gamma translation tables.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1093 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1094 * You must pass in valid pointers to arrays of 256 16-bit quantities.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1095 * Any of the pointers may be NULL to ignore that channel.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1096 * If the call succeeds, it will return 0. If the display driver or
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1097 * hardware does not support gamma translation, or otherwise fails,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1098 * this function will return -1.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1099 */
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1100 extern DECLSPEC int SDLCALL SDL_GetGammaRamp(Uint16 * red, Uint16 * green,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1101 Uint16 * blue);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1102
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1103 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1104 * Maps an RGB triple to an opaque pixel value for a given pixel format
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1105 */
337
9154ec9ca3d2 Explicitly specify the SDL API calling convention (C by default)
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1106 extern DECLSPEC Uint32 SDLCALL SDL_MapRGB
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
1107 (SDL_PixelFormat * format, Uint8 r, Uint8 g, Uint8 b);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1108
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1109 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1110 * Maps an RGBA quadruple to a pixel value for a given pixel format
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1111 */
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1112 extern DECLSPEC Uint32 SDLCALL SDL_MapRGBA(SDL_PixelFormat * format,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1113 Uint8 r, Uint8 g, Uint8 b,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1114 Uint8 a);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1115
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1116 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1117 * Maps a pixel value into the RGB components for a given pixel format
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1118 */
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1119 extern DECLSPEC void SDLCALL SDL_GetRGB(Uint32 pixel, SDL_PixelFormat * fmt,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1120 Uint8 * r, Uint8 * g, Uint8 * b);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1121
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1122 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1123 * Maps a pixel value into the RGBA components for a given pixel format
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1124 */
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1125 extern DECLSPEC void SDLCALL SDL_GetRGBA(Uint32 pixel, SDL_PixelFormat * fmt,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1126 Uint8 * r, Uint8 * g, Uint8 * b,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1127 Uint8 * a);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1128
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1129 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1130 * Allocate and free an RGB surface (must be called after SDL_SetVideoMode)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1131 * If the depth is 4 or 8 bits, an empty palette is allocated for the surface.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1132 * If the depth is greater than 8 bits, the pixel format is set using the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1133 * flags '[RGB]mask'.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1134 * If the function runs out of memory, it will return NULL.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1135 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1136 * The 'flags' tell what kind of surface to create.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1137 * SDL_SRCCOLORKEY indicates that the surface will be used for colorkey blits.
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1138 * SDL_SRCALPHA means that the surface will be used for alpha blits.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1139 */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
1140 extern DECLSPEC SDL_Surface *SDLCALL SDL_CreateRGBSurface
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
1141 (Uint32 flags, int width, int height, int depth,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
1142 Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1143 extern DECLSPEC SDL_Surface *SDLCALL SDL_CreateRGBSurfaceFrom(void *pixels,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1144 int width,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1145 int height,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1146 int depth,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1147 int pitch,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1148 Uint32 Rmask,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1149 Uint32 Gmask,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1150 Uint32 Bmask,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1151 Uint32 Amask);
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1152 extern DECLSPEC SDL_Surface *SDLCALL
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1153 SDL_CreateRGBSurfaceFromTexture(SDL_TextureID textureID);
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1154 extern DECLSPEC void SDLCALL SDL_FreeSurface(SDL_Surface * surface);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1155
1683
396a35389351 Finished palettized display handling.
Sam Lantinga <slouken@libsdl.org>
parents: 1682
diff changeset
1156 /**
396a35389351 Finished palettized display handling.
Sam Lantinga <slouken@libsdl.org>
parents: 1682
diff changeset
1157 * \fn int SDL_SetSurfacePalette(SDL_Surface *surface, SDL_Palette *palette)
396a35389351 Finished palettized display handling.
Sam Lantinga <slouken@libsdl.org>
parents: 1682
diff changeset
1158 *
396a35389351 Finished palettized display handling.
Sam Lantinga <slouken@libsdl.org>
parents: 1682
diff changeset
1159 * \brief Set the palette used by a surface.
396a35389351 Finished palettized display handling.
Sam Lantinga <slouken@libsdl.org>
parents: 1682
diff changeset
1160 *
396a35389351 Finished palettized display handling.
Sam Lantinga <slouken@libsdl.org>
parents: 1682
diff changeset
1161 * \return 0, or -1 if the surface format doesn't use a palette.
396a35389351 Finished palettized display handling.
Sam Lantinga <slouken@libsdl.org>
parents: 1682
diff changeset
1162 *
396a35389351 Finished palettized display handling.
Sam Lantinga <slouken@libsdl.org>
parents: 1682
diff changeset
1163 * \note A single palette can be shared with many surfaces.
396a35389351 Finished palettized display handling.
Sam Lantinga <slouken@libsdl.org>
parents: 1682
diff changeset
1164 */
396a35389351 Finished palettized display handling.
Sam Lantinga <slouken@libsdl.org>
parents: 1682
diff changeset
1165 extern DECLSPEC int SDLCALL SDL_SetSurfacePalette(SDL_Surface * surface,
396a35389351 Finished palettized display handling.
Sam Lantinga <slouken@libsdl.org>
parents: 1682
diff changeset
1166 SDL_Palette * palette);
396a35389351 Finished palettized display handling.
Sam Lantinga <slouken@libsdl.org>
parents: 1682
diff changeset
1167
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1168 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1169 * SDL_LockSurface() sets up a surface for directly accessing the pixels.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1170 * Between calls to SDL_LockSurface()/SDL_UnlockSurface(), you can write
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1171 * to and read from 'surface->pixels', using the pixel format stored in
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1172 * 'surface->format'. Once you are done accessing the surface, you should
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1173 * use SDL_UnlockSurface() to release it.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1174 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1175 * Not all surfaces require locking. If SDL_MUSTLOCK(surface) evaluates
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1176 * to 0, then you can read and write to the surface at any time, and the
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1177 * pixel format of the surface will not change.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1178 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1179 * No operating system or library calls should be made between lock/unlock
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1180 * pairs, as critical system locks may be held during this time.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1181 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1182 * SDL_LockSurface() returns 0, or -1 if the surface couldn't be locked.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1183 */
1668
4da1ee79c9af more tweaking indent options
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parents: 1662
diff changeset
1184 extern DECLSPEC int SDLCALL SDL_LockSurface(SDL_Surface * surface);
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1185 extern DECLSPEC void SDLCALL SDL_UnlockSurface(SDL_Surface * surface);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1186
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1187 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1188 * Load a surface from a seekable SDL data source (memory or file.)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1189 * If 'freesrc' is non-zero, the source will be closed after being read.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1190 * Returns the new surface, or NULL if there was an error.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1191 * The new surface should be freed with SDL_FreeSurface().
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1192 */
1668
4da1ee79c9af more tweaking indent options
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parents: 1662
diff changeset
1193 extern DECLSPEC SDL_Surface *SDLCALL SDL_LoadBMP_RW(SDL_RWops * src,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1194 int freesrc);
0
74212992fb08 Initial revision
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parents:
diff changeset
1195
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1196 /* Convenience macro -- load a surface from a file */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1197 #define SDL_LoadBMP(file) SDL_LoadBMP_RW(SDL_RWFromFile(file, "rb"), 1)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1198
74212992fb08 Initial revision
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parents:
diff changeset
1199 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1200 * Save a surface to a seekable SDL data source (memory or file.)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1201 * If 'freedst' is non-zero, the source will be closed after being written.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1202 * Returns 0 if successful or -1 if there was an error.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1203 */
337
9154ec9ca3d2 Explicitly specify the SDL API calling convention (C by default)
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1204 extern DECLSPEC int SDLCALL SDL_SaveBMP_RW
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
1205 (SDL_Surface * surface, SDL_RWops * dst, int freedst);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1206
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1207 /* Convenience macro -- save a surface to a file */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1208 #define SDL_SaveBMP(surface, file) \
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1209 SDL_SaveBMP_RW(surface, SDL_RWFromFile(file, "wb"), 1)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1210
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1211 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1212 * Sets the color key (transparent pixel) in a blittable surface.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1213 * If 'flag' is SDL_SRCCOLORKEY (optionally OR'd with SDL_RLEACCEL),
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1214 * 'key' will be the transparent pixel in the source image of a blit.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1215 * SDL_RLEACCEL requests RLE acceleration for the surface if present,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1216 * and removes RLE acceleration if absent.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1217 * If 'flag' is 0, this function clears any current color key.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1218 * This function returns 0, or -1 if there was an error.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1219 */
337
9154ec9ca3d2 Explicitly specify the SDL API calling convention (C by default)
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1220 extern DECLSPEC int SDLCALL SDL_SetColorKey
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
1221 (SDL_Surface * surface, Uint32 flag, Uint32 key);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1222
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1223 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1224 * This function sets the alpha value for the entire surface, as opposed to
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1225 * using the alpha component of each pixel. This value measures the range
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1226 * of transparency of the surface, 0 being completely transparent to 255
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1227 * being completely opaque. An 'alpha' value of 255 causes blits to be
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1228 * opaque, the source pixels copied to the destination (the default). Note
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1229 * that per-surface alpha can be combined with colorkey transparency.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1230 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1231 * If 'flag' is 0, alpha blending is disabled for the surface.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1232 * If 'flag' is SDL_SRCALPHA, alpha blending is enabled for the surface.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1233 * OR:ing the flag with SDL_RLEACCEL requests RLE acceleration for the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1234 * surface; if SDL_RLEACCEL is not specified, the RLE accel will be removed.
432
80a35d43a58f *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 431
diff changeset
1235 *
80a35d43a58f *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 431
diff changeset
1236 * The 'alpha' parameter is ignored for surfaces that have an alpha channel.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1237 */
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1238 extern DECLSPEC int SDLCALL SDL_SetAlpha(SDL_Surface * surface, Uint32 flag,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1239 Uint8 alpha);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1240
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1241 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1242 * Sets the clipping rectangle for the destination surface in a blit.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1243 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1244 * If the clip rectangle is NULL, clipping will be disabled.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1245 * If the clip rectangle doesn't intersect the surface, the function will
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1246 * return SDL_FALSE and blits will be completely clipped. Otherwise the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1247 * function returns SDL_TRUE and blits to the surface will be clipped to
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1248 * the intersection of the surface area and the clipping rectangle.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1249 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1250 * Note that blits are automatically clipped to the edges of the source
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1251 * and destination surfaces.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1252 */
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1253 extern DECLSPEC SDL_bool SDLCALL SDL_SetClipRect(SDL_Surface * surface,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1254 const SDL_Rect * rect);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1255
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1256 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1257 * Gets the clipping rectangle for the destination surface in a blit.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1258 * 'rect' must be a pointer to a valid rectangle which will be filled
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1259 * with the correct values.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1260 */
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1261 extern DECLSPEC void SDLCALL SDL_GetClipRect(SDL_Surface * surface,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
1262 SDL_Rect * rect);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1263
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1264 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1265 * Creates a new surface of the specified format, and then copies and maps
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1266 * the given surface to it so the blit of the converted surface will be as
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1267 * fast as possible. If this function fails, it returns NULL.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1268 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1269 * The 'flags' parameter is passed to SDL_CreateRGBSurface() and has those
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1270 * semantics. You can also pass SDL_RLEACCEL in the flags parameter and
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1271 * SDL will try to RLE accelerate colorkey and alpha blits in the resulting
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1272 * surface.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1273 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1274 * This function is used internally by SDL_DisplayFormat().
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1275 */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
1276 extern DECLSPEC SDL_Surface *SDLCALL SDL_ConvertSurface
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1660
diff changeset
1277 (SDL_Surface * src, SDL_PixelFormat * fmt, Uint32 flags);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1278
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1279 /*
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1280 * This function performs a fast fill of the given rectangle with 'color'
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1281 * The given rectangle is clipped to the destination surface clip area
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1282 * and the final fill rectangle is saved in the passed in pointer.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1283 * If 'dstrect' is NULL, the whole surface will be filled with 'color'
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1284 * The color should be a pixel of the format used by the surface, and
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1285 * can be generated by the SDL_MapRGB() function.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1286 * This function returns 0 on success, or -1 on error.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1287 */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1288 extern DECLSPEC int SDLCALL SDL_FillRect
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1289 (SDL_Surface * dst, SDL_Rect * dstrect, Uint32 color);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1290
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
1291 /*
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1292 * This performs a fast blit from the source surface to the destination
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1293 * surface. It assumes that the source and destination rectangles are
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1294 * the same size. If either 'srcrect' or 'dstrect' are NULL, the entire
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1295 * surface (src or dst) is copied. The final blit rectangles are saved
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1296 * in 'srcrect' and 'dstrect' after all clipping is performed.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1297 * If the blit is successful, it returns 0, otherwise it returns -1.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1298 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1299 * The blit function should not be called on a locked surface.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1300 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1301 * The blit semantics for surfaces with and without alpha and colorkey
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1302 * are defined as follows:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1303 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1304 * RGBA->RGB:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1305 * SDL_SRCALPHA set:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1306 * alpha-blend (using alpha-channel).
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1307 * SDL_SRCCOLORKEY ignored.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1308 * SDL_SRCALPHA not set:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1309 * copy RGB.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1310 * if SDL_SRCCOLORKEY set, only copy the pixels matching the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1311 * RGB values of the source colour key, ignoring alpha in the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1312 * comparison.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1313 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1314 * RGB->RGBA:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1315 * SDL_SRCALPHA set:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1316 * alpha-blend (using the source per-surface alpha value);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1317 * set destination alpha to opaque.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1318 * SDL_SRCALPHA not set:
431
41cadcba32e8 Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
Sam Lantinga <slouken@libsdl.org>
parents: 337
diff changeset
1319 * copy RGB, set destination alpha to source per-surface alpha value.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1320 * both:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1321 * if SDL_SRCCOLORKEY set, only copy the pixels matching the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1322 * source colour key.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1323 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1324 * RGBA->RGBA:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1325 * SDL_SRCALPHA set:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1326 * alpha-blend (using the source alpha channel) the RGB values;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1327 * leave destination alpha untouched. [Note: is this correct?]
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1328 * SDL_SRCCOLORKEY ignored.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1329 * SDL_SRCALPHA not set:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1330 * copy all of RGBA to the destination.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1331 * if SDL_SRCCOLORKEY set, only copy the pixels matching the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1332 * RGB values of the source colour key, ignoring alpha in the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1333 * comparison.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1334 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1335 * RGB->RGB:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1336 * SDL_SRCALPHA set:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1337 * alpha-blend (using the source per-surface alpha value).
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1338 * SDL_SRCALPHA not set:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1339 * copy RGB.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1340 * both:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1341 * if SDL_SRCCOLORKEY set, only copy the pixels matching the
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1342 * source colour key.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1343 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1344 * If either of the surfaces were in video memory, and the blit returns -2,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1345 * the video memory was lost, so it should be reloaded with artwork and
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1346 * re-blitted:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1347 while ( SDL_BlitSurface(image, imgrect, screen, dstrect) == -2 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1348 while ( SDL_LockSurface(image) < 0 )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1349 Sleep(10);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1350 -- Write image pixels to image->pixels --
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1351 SDL_UnlockSurface(image);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1352 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1353 * This happens under DirectX 5.0 when the system switches away from your
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1354 * fullscreen application. The lock will also fail until you have access
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1355 * to the video memory again.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1356 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1357 /* You should call SDL_BlitSurface() unless you know exactly how SDL
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1358 blitting works internally and how to use the other blit functions.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1359 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1360 #define SDL_BlitSurface SDL_UpperBlit
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1361
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1362 /* This is the public blit function, SDL_BlitSurface(), and it performs
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1363 rectangle validation and clipping before passing it to SDL_LowerBlit()
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1364 */
337
9154ec9ca3d2 Explicitly specify the SDL API calling convention (C by default)
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
1365 extern DECLSPEC int SDLCALL SDL_UpperBlit
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1366 (SDL_Surface * src, SDL_Rect * srcrect,
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1367 SDL_Surface * dst, SDL_Rect * dstrect);
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1368 /* This is a semi-private blit function and it performs low-level surface
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1369 blitting only.
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1370 */
337
9154ec9ca3d2 Explicitly specify the SDL API calling convention (C by default)
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1371 extern DECLSPEC int SDLCALL SDL_LowerBlit
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1372 (SDL_Surface * src, SDL_Rect * srcrect,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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1373 SDL_Surface * dst, SDL_Rect * dstrect);
0
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1374
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
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1375 /**
eef792d31de8 Work in progress. :)
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1376 * \fn int SDL_SoftStretch(SDL_Surface * src, SDL_Rect * srcrect, SDL_Surface * dst, SDL_Rect * dstrect)
0
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1377 *
1670
eef792d31de8 Work in progress. :)
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1378 * \brief Perform a fast, low quality, stretch blit between two surfaces of the same pixel format.
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1379 * \note This function uses a static buffer, and is not thread-safe.
0
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1380 */
1670
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1381 extern DECLSPEC int SDLCALL SDL_SoftStretch(SDL_Surface * src,
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1382 SDL_Rect * srcrect,
eef792d31de8 Work in progress. :)
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1383 SDL_Surface * dst,
eef792d31de8 Work in progress. :)
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1384 SDL_Rect * dstrect);
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1385
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1386 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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1387 /* OpenGL support functions. */
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diff changeset
1388 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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1389
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1390 /*
1490
8f3e602904d1 Dynamic OpenGL loading is the default now. :)
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parents: 1358
diff changeset
1391 * Dynamically load an OpenGL library, or the default one if path is NULL
0
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1392 *
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1393 * If you do this, you need to retrieve all of the GL functions used in
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diff changeset
1394 * your program from the dynamic library using SDL_GL_GetProcAddress().
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diff changeset
1395 */
1668
4da1ee79c9af more tweaking indent options
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diff changeset
1396 extern DECLSPEC int SDLCALL SDL_GL_LoadLibrary(const char *path);
0
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1397
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1398 /*
1490
8f3e602904d1 Dynamic OpenGL loading is the default now. :)
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1399 * Get the address of a GL function
0
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diff changeset
1400 */
1668
4da1ee79c9af more tweaking indent options
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diff changeset
1401 extern DECLSPEC void *SDLCALL SDL_GL_GetProcAddress(const char *proc);
0
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1402
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1403 /*
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1404 * Set an attribute of the OpenGL subsystem before window creation.
0
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diff changeset
1405 */
1668
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diff changeset
1406 extern DECLSPEC int SDLCALL SDL_GL_SetAttribute(SDL_GLattr attr, int value);
0
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diff changeset
1407
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diff changeset
1408 /*
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diff changeset
1409 * Get an attribute of the OpenGL subsystem from the windowing
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diff changeset
1410 * interface, such as glX. This is of course different from getting
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diff changeset
1411 * the values from SDL's internal OpenGL subsystem, which only
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diff changeset
1412 * stores the values you request before initialization.
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diff changeset
1413 *
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diff changeset
1414 * Developers should track the values they pass into SDL_GL_SetAttribute
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parents:
diff changeset
1415 * themselves if they want to retrieve these values.
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diff changeset
1416 */
1668
4da1ee79c9af more tweaking indent options
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diff changeset
1417 extern DECLSPEC int SDLCALL SDL_GL_GetAttribute(SDL_GLattr attr, int *value);
0
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diff changeset
1418
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diff changeset
1419 /*
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diff changeset
1420 * Swap the OpenGL buffers, if double-buffering is supported.
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diff changeset
1421 */
1668
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diff changeset
1422 extern DECLSPEC void SDLCALL SDL_GL_SwapBuffers(void);
0
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diff changeset
1423
1724
6c63fc2bd986 Proof of concept done - Win32 GDI implementation mostly complete.
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diff changeset
1424 /*
6c63fc2bd986 Proof of concept done - Win32 GDI implementation mostly complete.
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parents: 1722
diff changeset
1425 * Calculate the intersection of two rectangles
6c63fc2bd986 Proof of concept done - Win32 GDI implementation mostly complete.
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diff changeset
1426 */
6c63fc2bd986 Proof of concept done - Win32 GDI implementation mostly complete.
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diff changeset
1427 extern DECLSPEC SDL_bool SDLCALL SDL_IntersectRect(const SDL_Rect * A,
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diff changeset
1428 const SDL_Rect * B,
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diff changeset
1429 SDL_Rect * intersection);
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diff changeset
1430
0
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diff changeset
1431 /* Ends C function definitions when using C++ */
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diff changeset
1432 #ifdef __cplusplus
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1433 /* *INDENT-OFF* */
0
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diff changeset
1434 }
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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1435 /* *INDENT-ON* */
0
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diff changeset
1436 #endif
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diff changeset
1437 #include "close_code.h"
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diff changeset
1438
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diff changeset
1439 #endif /* _SDL_video_h */
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1440
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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1441 /* vi: set ts=4 sw=4 expandtab: */