1#include "cottonwindow.h"
 2#include <stdio.h>
 3
 4int 
 5cottonwindow_init (CottonWindow *cw, const char *title, int window_w, int window_h, int texture_w, int texture_h)
 6{
 7
 8    if (SDL_Init(SDL_INIT_VIDEO) != 0) {
 9        fprintf(stderr, "cotton couldn't start SDL :( : %s\n", SDL_GetError());
10        return 0;
11    }
12
13    cw->window = SDL_CreateWindow(title, 0, 0, window_w, window_h, SDL_WINDOW_SHOWN);
14    
15    if (!cw->window) {
16        fprintf(stderr, "cotton couldn't create a window :( : %s\n", SDL_GetError());
17        return 0;
18    }
19
20    cw->renderer = SDL_CreateRenderer(cw->window, -1, 0);
21    if (!cw->renderer) {
22        fprintf(stderr, "cotton couldn't render this :( : %s\n", SDL_GetError());
23        return 0;
24    }
25
26    cw->texture =
27        SDL_CreateTexture(cw->renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, texture_w, texture_h);
28    if (!cw->texture) {
29        fprintf(stderr, "cotton couldn't apply textures :( : %s\n", SDL_GetError());
30        return 0;
31    }
32
33    return 1;
34}
35
36void 
37cottonwindow_update(CottonWindow *cw, const void *buffer, int pitch)
38{
39    SDL_UpdateTexture(cw->texture, NULL, buffer, pitch);
40    SDL_RenderClear(cw->renderer);
41    SDL_RenderCopy(cw->renderer, cw->texture, NULL, NULL);
42    SDL_RenderPresent(cw->renderer);
43}
44
45int cottonwindow_process_input
46(CottonWindow *cw, uint8_t *keys)
47{
48    (void)cw;
49    (void)keys;
50    int quit = 0;
51    SDL_Event event;
52
53    while (SDL_PollEvent(&event)) {
54        switch (event.type) {
55        case SDL_QUIT: {
56            quit = 1;
57            break;
58        }
59
60        case SDL_KEYDOWN: {
61            if (event.key.keysym.sym == SDLK_ESCAPE)
62                quit = 1;
63            break;
64        }
65        }
66    }
67
68    return quit;
69}
70
71void cottonwindow_destroy
72(CottonWindow *cw)
73{
74    SDL_DestroyTexture(cw->texture);
75    SDL_DestroyRenderer(cw->renderer);
76    SDL_DestroyWindow(cw->window);
77    SDL_Quit();
78}