Simple Directmedia Layer

Libsdl.org website

Compiling

gcc -std=c89 -Wextra -pedantic-errors -o main.out main.c -lSDL2 ./main.out

Examples

Drawing colored pixels:

//  https://stackoverflow.com/questions/20579658/how-to-draw-pixels-in-sdl-2-0
#include <stdlib.h>

#include <SDL2/SDL.h>

#define WINDOW_WIDTH 600

int main(void) {
    SDL_Event event;
    SDL_Renderer *renderer;
    SDL_Window *window;
    int i;

    SDL_Init(SDL_INIT_VIDEO);
    SDL_CreateWindowAndRenderer(WINDOW_WIDTH, WINDOW_WIDTH, 0, &window, &renderer);
    SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
    SDL_RenderClear(renderer);
    SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
    for (i = 0; i < WINDOW_WIDTH; ++i)
        SDL_RenderDrawPoint(renderer, i, i);
    SDL_RenderPresent(renderer);
    while (1) {
        if (SDL_PollEvent(&event) && event.type == SDL_QUIT)
            break;
    }
    SDL_DestroyRenderer(renderer);
    SDL_DestroyWindow(window);
    SDL_Quit();
    return EXIT_SUCCESS;
}

Reading Images:

• https://gamedev.stackexchange.com/questions/131138/how-to-pass-png-image-data-directly-to-sdl