SDL_CreateTexture.html

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   9 <title>SDL_CreateTexture</title>\r
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  11 <body>\r
  12 <a href="index.html">\96Ú\8e\9f</a> - <a href="ApiByCategory.html">API(\8b@\94\\95Ê)</a> - <a href="CategoryRender.html">2D\83\8c\83\93\83_\83\8a\83\93\83O</a> - SDL_CreateTexture\r
  13 <hr>\r
  14 <h1>SDL_CreateTexture</h1>\r
  15 \83\8c\83\93\83_\83\8a\83\93\83O\83R\83\93\83e\83L\83X\83g\82Ì\83e\83N\83X\83`\83\83\82ð\90¶\90¬\82·\82é\r
  16 <h2>\8d\\95¶</h2>\r
  17 <code>SDL_Texture* SDL_CreateTexture(SDL_Renderer* renderer, Uint32 format, int access, int w, int h)</code>\r
  18 <h2>\88ø\90\94</h2>\r
  19 <table border="1" summary="SDL_CreateTexture">\r
  20 <tr><td>renderer</td><td>\83\8c\83\93\83_\83\8a\83\93\83O\83R\83\93\83e\83L\83X\83g</td></tr>\r
  21 <tr><td>format</td><td><a href="SDL_PixelFormatEnum.html">SDL_PixelFormatEnum</a>\82Ì1\82Â</td></tr>\r
  22 <tr><td>access</td><td><a href="SDL_TextureAccess.html">SDL_TextureAccess</a>\82Ì1\82Â</td></tr>\r
  23 <tr><td>w</td><td>\83e\83N\83X\83`\83\83\82Ì\95\9d</td></tr>\r
  24 <tr><td>h</td><td>\83e\83N\83X\83`\83\83\82Ì\8d\82\82³</td></tr>\r
  25 </table>\r
  26 <h2>\96ß\82è\92l</h2>\r
  27 \90¬\8c÷\82Ì\82Æ\82«\90¶\90¬\82³\82ê\82½\83e\83N\83X\83`\83\83\82Ö\82Ì\83|\83C\83\93\83^\82ð\96ß\82·.\r
  28 \83\8c\83\93\83_\83\8a\83\93\83O\83R\83\93\83e\83L\83X\83g\82ª\8eg\82¦\82È\82¢, format\82ª\91Î\89\9e\82µ\82Ä\82¢\82È\82¢, w\82Ü\82½\82Íh\82ª\94Í\88Í\8aO\82Ì\82Æ\82«NULL\82ð\96ß\82·.\r
  29 <a href="SDL_GetError.html">SDL_GetError()</a>\82Å\8fÚ\8d×\82ð\92m\82é\82±\82Æ\82ª\82Å\82«\82é.\r
  30 <h2>\83T\83\93\83v\83\8b\83R\81[\83h</h2>\r
  31 <code>\r
  32 <pre>\r
  33 #include&lt;stdlib.h&gt;\r
  34 #include"SDL.h"\r
  35 // \8el\8ap\8c`\82ð\93®\82©\82·\r
  36 int main()\r
  37 {\r
  38         SDL_Window *window;\r
  39         SDL_Renderer *renderer;\r
  40         SDL_Texture *Texture;\r
  41         SDL_Event event;\r
  42         SDL_Rect r;\r
  43         if (SDL_Init(SDL_INIT_VIDEO) &lt; 0) {\r
  44                 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL\82ð\8f\89\8aú\89»\82Å\82«\82È\82©\82Á\82½: %s", SDL_GetError());\r
  45                 return 3;\r
  46         }\r
  47 \r
  48         window = SDL_CreateWindow("SDL_CreateTexture",\r
  49                         SDL_WINDOWPOS_UNDEFINED,\r
  50                         SDL_WINDOWPOS_UNDEFINED,\r
  51                         1024, 768,\r
  52                         SDL_WINDOW_RESIZABLE);\r
  53 \r
  54         r.w = 100;\r
  55         r.h = 50;\r
  56 \r
  57         renderer = SDL_CreateRenderer(window, -1, 0);\r
  58 \r
  59         Texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, 1024, 768);\r
  60 \r
  61 \r
  62         while(1)\r
  63         {\r
  64                 SDL_PollEvent(&event);\r
  65                 if(event.type == SDL_QUIT)\r
  66                         break;\r
  67                 r.x=rand()%500;\r
  68                 r.y=rand()%500;\r
  69 \r
  70                 SDL_SetRenderTarget(renderer, Texture);\r
  71                 SDL_SetRenderDrawColor(renderer, 0x00, 0x00, 0x00, 0x00);\r
  72                 SDL_RenderClear(renderer);\r
  73                 SDL_RenderDrawRect(renderer,&r);\r
  74                 SDL_SetRenderDrawColor(renderer, 0xFF, 0x00, 0x00, 0x00);\r
  75                 SDL_RenderFillRect(renderer, &r);\r
  76                 SDL_SetRenderTarget(renderer, NULL);\r
  77                 SDL_RenderCopy(renderer, Texture, NULL, NULL);\r
  78                 SDL_RenderPresent(renderer);\r
  79         }\r
  80         SDL_DestroyRenderer(renderer);\r
  81         return 0;\r
  82 }\r
  83 </pre>\r
  84 </code>\r
  85 <h2>\8fÚ\8d×</h2>\r
  86 <p>\r
  87 \83e\83N\83X\83`\83\83\82ð\90¶\90¬\82·\82é\91O\82É<a href="SDL_HINT_RENDER_SCALE_QUALITY.html">SDL_HINT_RENDER_SCALE_QUALITY</a>\82ð\90Ý\92è\82·\82é\82±\82Æ\82Å\83e\83N\83X\83`\83\83\82Ì\8ag\91å\95û\96@\82ð\90Ý\92è\82Å\82«\82é.\r
  88 </p>\r
  89 <h2>\8aÖ\98A\8d\80\96Ú(\8aÖ\90\94)</h2>\r
  90 <a href="SDL_CreateTextureFromSurface.html">SDL_CreateTextureFromSurface</a><br>\r
  91 <a href="SDL_DestroyTexture.html">SDL_DestroyTexture</a><br>\r
  92 <a href="SDL_QueryTexture.html">SDL_QueryTexture</a><br>\r
  93 <a href="SDL_UpdateTexture.html">SDL_UpdateTexture</a><br>\r
  94 <h2>SDL Wiki\82Ö\82Ì\83\8a\83\93\83N</h2>\r
  95 <a href="https://wiki.libsdl.org/SDL_CreateTexture">SDL_CreateTexture - SDL Wiki</a>\r
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