Sdl get surface dimensions. h> to the source file containing your main function (b...
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Sdl get surface dimensions. h> to the source file containing your main function (below #include <SDL3/SDL. Apart from using trig or the "equation of a circle", how could I draw a curve? How about general vector graphics? Is SDL an appropriate starting point or should I look elsewhere? May 24, 2025 · It is preferable to return SDL_APP_CONTINUE instead of 0 in case the actual order of the SDL_AppResult enums change. The only way I can find to draw a shape is with the line, rect and pixel functions, as explained here. So you'll have to build SDL_image from source. SDL_RenderClear(renderer) This Dec 25, 2023 · Convert SDL_Texture to SDL_Surface to save an image in c++ Ask Question Asked 2 years, 2 months ago Modified 2 years, 2 months ago Apr 24, 2024 · How can I use the new SDL3 callback structure with no main() function rather than the traditional one where the application pumps the main loop? If so then your #include <SDL. . Feb 4, 2025 · In SDL3, you need to add #include <SDL3/SDL_main. There are several important functions tied to the SDL_Renderer: SDL_SetRenderDrawColor(renderer, r, g, b, a) This sets the color you clear the screen to (see below). This header will create a platform appropriate entry function, calling your application's main function. Nov 4, 2024 · SDL2_image, as the name implies, is for SDL2, not for SDL3. Feb 18, 2025 · SDL_GL_CreateContext - Remarks If that is not the issue, try to run the example on the same page (example), which uses legacy opengl, which should run without loading the library functions. SDL_RenderClear(renderer) This Simple DirectMedia Layer (SDL) is a cross-platform, free and open source multimedia library written in C that presents a simple interface to various platforms' graphics, sound, and input devices. It seems a version of SDL_image for SDL3 wasn't released yet, but but they do support SDL3 in their main branch. May 9, 2025 · The actual behavior is the window entering an exclusive fullscreen-like mode upon the first call to SDL_GL_SwapWindow: There is a brief screen flicker or blanking, suggesting a display mode change or swapchain takeover. I'm using SDL2. An alternative for that is adding the /usr/include/SDL directory to your include directories. You shouldn't call SDL_Quit() in the destructor, but only once before leaving the application (is suggested to use it with atexit()) Nov 4, 2024 · SDL2_image, as the name implies, is for SDL2, not for SDL3. Apart from using trig or the "equation of a circle", how could I draw a curve? How about general vector graphics? Is SDL an appropriate starting point or should I look elsewhere? Mar 4, 2025 · I am trying to make a controller for a game with SDL 2(didn't want to ask on gamedev since it is not a game issue directly) I use SDL_GetKeyboardState to see if the navigation arrows are being pres May 24, 2025 · It is preferable to return SDL_APP_CONTINUE instead of 0 in case the actual order of the SDL_AppResult enums change. h>. h> directive is wrong, it should be #include <SDL/SDL. It is tied to a SDL_Window so it can only render within that SDL_Window. It also keeps track the settings related to the rendering. Feb 18, 2025 · SDL_GL_CreateContext - Remarks If that is not the issue, try to run the example on the same page (example), which uses legacy opengl, which should run without loading the library functions. SDL_Renderer SDL_Renderer is a struct that handles all rendering. h>). Mar 4, 2025 · I am trying to make a controller for a game with SDL 2(didn't want to ask on gamedev since it is not a game issue directly) I use SDL_GetKeyboardState to see if the navigation arrows are being pres I'm using SDL2. May 16, 2019 · An SDL_QUIT event is generated when the user clicks on the close button of the last existing window.
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