c语言编译器IDE的6键钢琴程序代码

#include <stdio.h>
#include <SDL2/SDL.h>
#include <SDL2/SDL_mixer.h>

// Function for loading music to Mix_Music
static Mix_Music *loadMusic(const char *path) {
Mix_Music *music = Mix_LoadMUS(path);
if (music == NULL) {
fprintf(stderr, “Mix_LoadMUS Error: %s\n”, Mix_GetError());
return NULL;
}
return music;
}

int main(int argc, char *argv[]) {
if (SDL_Init(SDL_INIT_EVERYTHING)!= 0) {
fprintf(stderr, “SDL_Init Error: %s\n”, SDL_GetError());
return 1;
}

SDL_Window *window = SDL_CreateWindow("Hello SDL2-mixer with Buttons", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 220, 280, 0);
if (window == NULL) {
    fprintf(stderr, "SDL_CreateWindow Error: %s\n", SDL_GetError());
    return 1;
}

SDL_Renderer *renderer = SDL_CreateRenderer(window, -1, 0);
if (renderer == NULL) {
    fprintf(stderr, "SDL_CreateRenderer Error: %s\n", SDL_GetError());
    return 1;
}

if (Mix_OpenAudio(44100, MIX_DEFAULT_FORMAT, 2, 4096) == -1) {
    fprintf(stderr, "Mix_OpenAudio Error: %s\n", Mix_GetError());
    return 1;
}

Mix_Music *musics[6];
musics[0] = loadMusic("s1.wav");
musics[1] = loadMusic("s2.wav");
musics[2] = loadMusic("s3.wav");
musics[3] = loadMusic("s4.wav");
musics[4] = loadMusic("s5.wav");
musics[5] = loadMusic("s6.wav");

SDL_Rect buttonRects[6];
buttonRects[0].x = 60;
buttonRects[0].y = 320;
buttonRects[0].w = 80;
buttonRects[0].h = 300;

buttonRects[1].x = 160;
buttonRects[1].y = 320;
buttonRects[1].w = 80;
buttonRects[1].h = 300;

buttonRects[2].x = 260;
buttonRects[2].y = 320;
buttonRects[2].w = 80;
buttonRects[2].h = 300;

buttonRects[3].x = 360;
buttonRects[3].y = 320;
buttonRects[3].w = 80;
buttonRects[3].h = 300;

buttonRects[4].x = 460;
buttonRects[4].y = 320;
buttonRects[4].w = 80;
buttonRects[4].h = 300;

buttonRects[5].x = 560;
buttonRects[5].y = 320;
buttonRects[5].w = 80;
buttonRects[5].h = 300;

SDL_Event event;

while (1) {
    while (SDL_PollEvent(&event)) {
        if (event.type == SDL_QUIT) {
            break;
        } else if (event.type == SDL_MOUSEBUTTONDOWN) {
            int mouseX = event.button.x;
            int mouseY = event.button.y;
            for (int i = 0; i < 6; i++) {
                if (mouseX >= buttonRects[i].x && mouseX <= buttonRects[i].x + buttonRects[i].w &&
                        mouseY >= buttonRects[i].y && mouseY <= buttonRects[i].y + buttonRects[i].h) {
                    if (musics[i]!= NULL) {
                        Mix_PlayMusic(musics[i], 0);
                    }
                }
            }
        }
    }

    if (event.type == SDL_QUIT) {
        break;
    }

    SDL_RenderClear(renderer);
    for (int i = 0; i < 6; i++) {
        SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
        SDL_RenderFillRect(renderer, &buttonRects[i]);
        SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
        SDL_RenderDrawRect(renderer, &buttonRects[i]);
    }
    SDL_RenderPresent(renderer);
}

for (int i = 0; i < 6; i++) {
    if (musics[i]!= NULL) {
        Mix_FreeMusic(musics[i]);
    }
}
Mix_CloseAudio();
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
SDL_Quit();
return 0;

}