1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
const c = @cImport({
@cInclude("SDL2/SDL.h");
});
pub fn present_sdl_window() !void {
const WINDOW_WIDTH: u32 = 800;
const WINDOW_HEIGHT: u32 = 600;
if (c.SDL_Init(c.SDL_INIT_VIDEO) != 0) {
c.SDL_Log("Window is not initialized: %s", c.SDL_GetError());
}
defer c.SDL_Quit();
const window = c.SDL_CreateWindow("Aken", c.SDL_WINDOWPOS_CENTERED, c.SDL_WINDOWPOS_CENTERED, WINDOW_WIDTH, WINDOW_HEIGHT, c.SDL_WINDOW_OPENGL) orelse {
c.SDL_Log("Window create error, reason: %s", c.SDL_GetError());
return error.SDLWindowInitError;
};
defer c.SDL_DestroyWindow(window);
const renderer = c.SDL_CreateRenderer(window, -1, 0) orelse {
c.SDL_Log("Renderer create error, reason: %s", c.SDL_GetError());
return error.SDLRendererInitError;
};
defer c.SDL_DestroyRenderer(renderer);
const rect_height = 100;
const rect_width = 100;
const rect_x = WINDOW_WIDTH / 2 - rect_width / 2;
const rect_y = WINDOW_HEIGHT / 2 - rect_height / 2;
const rect = c.SDL_Rect{ .x = rect_x, .y = rect_y, .w = rect_width, .h = rect_height };
var quit = false;
while (!quit) {
var event: c.SDL_Event = undefined;
while (c.SDL_PollEvent(&event) != 0) {
switch (event.type) {
c.SDL_QUIT => {
quit = true;
},
else => {},
}
}
const bg_color = c.SDL_Color{ .r = 255, .g = 255, .b = 255, .a = 255 };
_ = c.SDL_SetRenderDrawColor(renderer, bg_color.r, bg_color.g, bg_color.b, bg_color.a);
_ = c.SDL_RenderClear(renderer);
const rect_color = c.SDL_Color{ .r = 0, .g = 0, .b = 255, .a = 255 };
_ = c.SDL_SetRenderDrawColor(renderer, rect_color.r, rect_color.g, rect_color.b, rect_color.a);
_ = c.SDL_RenderFillRect(renderer, &rect);
_ = c.SDL_RenderPresent(renderer);
}
}
|
