SDL v1.2 >> C/C++

Pixel

---

參考資訊：
1. sdl
2. gfx

函數

int pixelColor(SDL_Surface * dst, Sint16 x, Sint16 y, Uint32 color);
int pixelRGBA(SDL_Surface * dst, Sint16 x, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a);

main.c

#include <stdio.h>
#include <stdlib.h>
#include <SDL.h>
#include <SDL_gfxPrimitives.h>
 
int main(int argc, char **argv)
{
    SDL_Surface *screen = NULL;

    SDL_Init(SDL_INIT_VIDEO);
    screen = SDL_SetVideoMode(320, 240, 16, SDL_HWSURFACE);

    int x = 0, y = 0;
    for (y = 0; y < 100; y++) {
        for (x = 0; x < 100; x++) {
            pixelRGBA(screen, x, y, 0x00, 0xff, 0x00, 0xff);
        }
    }
    SDL_Flip(screen);
    SDL_Delay(3000);

    SDL_Quit();
    return 0;
}

編譯、執行

$ gcc main.c -o main -lSDL -lSDL_gfx -I/usr/include/SDL
$ ./main

返回上一頁