{"id":3081,"date":"2026-05-14T08:00:00","date_gmt":"2026-05-14T06:00:00","guid":{"rendered":"https:\/\/www.fuhselab.de\/?p=3081"},"modified":"2026-05-05T13:13:45","modified_gmt":"2026-05-05T11:13:45","slug":"c-und-sdl-grafikfenster-2","status":"publish","type":"post","link":"https:\/\/www.fuhselab.de\/index.php\/2026\/05\/14\/c-und-sdl-grafikfenster-2\/","title":{"rendered":"C++ und SDL Grafikfenster 2"},"content":{"rendered":"\n<p>Die SDL Experimente gehen mit dem zweiten SDL Grafikfenster weiter&#8230;<\/p>\n\n\n\n<!--more-->\n\n\n\n<p><strong>Vorbemerkungen:<\/strong><\/p>\n\n\n\n<p>SDL Grafikfenster 02 erzeugt ein rotes, flackerndes Rechteck und l\u00e4sst sich auch schlie\u00dfen<\/p>\n\n\n\n<p>Der Compiler braucht f\u00fcr SDL Programme \u00fcbrigens einen modifizierten Befehl:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>g++ -o dateiname.out dateiname.cpp -g -lSDL2<\/li>\n<\/ul>\n\n\n\n<p><strong>Quellcode f\u00fcr C++ und das SDL Grafikfenster 2:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;SDL2\/SDL.h>\n#include &lt;iostream>\n\nint main(int argc, char* argv&#91;]) {\n    \/\/ Initialize SDL\n    if (SDL_Init(SDL_INIT_VIDEO) != 0) {\n        std::cerr &lt;&lt; \"Error initializing: \" &lt;&lt; SDL_GetError() &lt;&lt; std::endl;\n        return 1;\n    }\n\n    \/\/ Create a window with the title \"My first graphics program\"\n    SDL_Window* window = SDL_CreateWindow(\"Mein zweites Grafikfenster 2026\", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 640, 480, SDL_WINDOW_SHOWN);\n    if (window == nullptr) {\n        std::cerr &lt;&lt; \"Error creating window: \" &lt;&lt; SDL_GetError() &lt;&lt; std::endl;\n        return 1;\n    }\n\n    \/\/ Create a renderer for the window\n    SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, 0);\n    if (renderer == nullptr) {\n        std::cerr &lt;&lt; \"Error creating renderer: \" &lt;&lt; SDL_GetError() &lt;&lt; std::endl;\n        return 1;\n    }\n\n    \/\/ Set the drawing color to red\n    SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);\n\n    \/\/ Draw a rectangle at position (100, 100) with size 200x150\n    SDL_Rect rect = { 100, 100, 200, 150 };\n    SDL_RenderFillRect(renderer, &amp;rect);\n\n    \/\/ Update the window and renderer\n    SDL_RenderPresent(renderer);\n\n    \/\/ Handle mouse events\n    bool quit = false;\n    while (!quit) {\n        SDL_Event event;\n        while (SDL_PollEvent(&amp;event)) {\n            if (event.type == SDL_QUIT) {\n                quit = true;\n            }\n        }\n\n        \/\/ Update the window and renderer again to show any changes\n        SDL_RenderPresent(renderer);\n    }\n\n    \/\/ Clean up\n    SDL_DestroyRenderer(renderer);\n    SDL_DestroyWindow(window);\n    SDL_Quit();\n\n    return 0;\n}\n<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Die SDL Experimente gehen mit dem zweiten SDL Grafikfenster weiter&#8230;<\/p>\n","protected":false},"author":1,"featured_media":543,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[32],"class_list":["post-3081","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-coding-club","tag-coding-club-peine"],"_links":{"self":[{"href":"https:\/\/www.fuhselab.de\/index.php\/wp-json\/wp\/v2\/posts\/3081","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fuhselab.de\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fuhselab.de\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fuhselab.de\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fuhselab.de\/index.php\/wp-json\/wp\/v2\/comments?post=3081"}],"version-history":[{"count":1,"href":"https:\/\/www.fuhselab.de\/index.php\/wp-json\/wp\/v2\/posts\/3081\/revisions"}],"predecessor-version":[{"id":3082,"href":"https:\/\/www.fuhselab.de\/index.php\/wp-json\/wp\/v2\/posts\/3081\/revisions\/3082"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fuhselab.de\/index.php\/wp-json\/wp\/v2\/media\/543"}],"wp:attachment":[{"href":"https:\/\/www.fuhselab.de\/index.php\/wp-json\/wp\/v2\/media?parent=3081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fuhselab.de\/index.php\/wp-json\/wp\/v2\/categories?post=3081"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fuhselab.de\/index.php\/wp-json\/wp\/v2\/tags?post=3081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}