#include <stdbool.h>
#include <stdio.h>
#include <SDL2/SDL.h>
#include <SDL2/SDL_image.h>

#include "include/SDL_anigif.h"
#define TITLE "SDL2 test gif"
#define WINDOW_WIDTH 800
#define WINDOW_HEIGHT 600

int main(int argc, char *argv[])
{
    SDL_Init(SDL_INIT_VIDEO);

    SDL_Window *window = SDL_CreateWindow(TITLE, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_SHOWN);
    SDL_Renderer *render = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);

    //獲取gif圖最大數量
    int gifMax = AG_LoadGIF("gif009.gif", NULL, 0);
    AG_Frame *frames = (AG_Frame *)malloc(sizeof(AG_Frame) * gifMax);
    AG_LoadGIF("gif009.gif", frames, gifMax);

    SDL_Rect rect = {0, 0, 0, 0};

    rect.w = frames[0].surface->w;
    rect.h = frames[0].surface->h;

    SDL_Texture **textures = (SDL_Texture **)malloc(sizeof(SDL_CreateTextureFromSurface(render, frames[0].surface)) * gifMax);

    int i;
    for (i = 0; i < gifMax; i++)
    {
        textures[i] = SDL_CreateTextureFromSurface(render, frames[i].surface);
    }

    bool quit = false;
    SDL_Event event;
    i = 0;
    while (!quit)
    {
        while (SDL_PollEvent(&event))
        {
            switch (event.type)
            {
            case SDL_QUIT:
                quit = true;
                break;
            }
        }
        // SDL_SetRenderDrawColor(render, 255, 200, 100, 100);
        SDL_RenderClear(render);
        SDL_RenderCopy(render, textures[i], NULL, &rect);
        i = (i + 1) % gifMax;
        SDL_RenderPresent(render);
        SDL_Delay(frames->delay);
    }
    free(frames);
    free(textures);
    SDL_DestroyRenderer(render);
    SDL_DestroyWindow(window);
    SDL_Quit();

    return 0;
}