abdelrahman/sdl-dropfile-test
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Add texture utilities

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Abdelrahman Said 2024-01-10 00:00:19 +00:00
parent 754454c366
commit 9415786adc
2 changed files with 42 additions and 2 deletions
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6
include/window.h
View File

@ -47,6 +47,12 @@ bool add_event_listener(window_t *wnd, void *obj, event_listener_t listener);
bool add_renderer_func(window_t *wnd, void *obj, render_func_t func);
void fill_rect(const window_t *wnd, const render_rect_t *rect, colour_t colour);
void draw_rect(const window_t *wnd, const render_rect_t *rect, colour_t colour);
SDL_Texture *load_texture(const window_t *wnd, const char *path);
void unload_texture(SDL_Texture *texture);
void get_texture_size(SDL_Texture *texture, i32 *w, i32 *h);
void render_texture(const window_t *wnd, SDL_Texture *texture,
const render_rect_t *src_rect,
const render_rect_t *dst_rect);
bool aabb(u64 x, u64 y, const render_rect_t *rect);
#endif // !WINDOW_H

38
src/window.c
View File

@ -2,6 +2,7 @@
#include "SDL_rect.h"
#include "SDL_render.h"
#include <SDL2/SDL.h>
#include <SDL2/SDL_image.h>
#include <SDL_events.h>
void handle_quit(const window_t *wnd, void *obj, const SDL_Event *ev);
@ -11,6 +12,8 @@ bool open_window(window_t *wnd, const char *title, u64 w, u64 h,
colour_t bg_colour) {
SDL_Init(SDL_INIT_EVERYTHING);
IMG_Init(IMG_INIT_JPG | IMG_INIT_PNG | IMG_INIT_TIF);
wnd->window =
SDL_CreateWindow(title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, w,
h, SDL_WINDOW_SHOWN);
@ -86,6 +89,8 @@ void close_window(window_t *wnd) {
SDL_DestroyWindow(wnd->window);
}
IMG_Quit();
SDL_Quit();
}
@ -137,6 +142,35 @@ void draw_rect(const window_t *wnd, const render_rect_t *rect,
SDL_RenderDrawRect(wnd->renderer, &dest);
}
SDL_Texture *load_texture(const window_t *wnd, const char *path) {
return IMG_LoadTexture(wnd->renderer, path);
}
void unload_texture(SDL_Texture *texture) { SDL_DestroyTexture(texture); }
void get_texture_size(SDL_Texture *texture, i32 *w, i32 *h) {
SDL_QueryTexture(texture, NULL, NULL, w, h);
}
void render_texture(const window_t *wnd, SDL_Texture *texture,
const render_rect_t *src_rect,
const render_rect_t *dst_rect) {
SDL_Rect src = {
.x = src_rect ? src_rect->x : 0,
.y = src_rect ? src_rect->y : 0,
.w = src_rect ? src_rect->width : 0,
.h = src_rect ? src_rect->height : 0,
};
SDL_Rect dst = {
.x = dst_rect ? dst_rect->x : 0,
.y = dst_rect ? dst_rect->y : 0,
.w = dst_rect ? dst_rect->width : 0,
.h = dst_rect ? dst_rect->height : 0,
};
SDL_RenderCopy(wnd->renderer, texture, src_rect ? &src : NULL, &dst);
}
bool aabb(u64 x, u64 y, const render_rect_t *rect) {
return x >= rect->x && y >= rect->y && x < rect->x + rect->width &&
y < rect->y + rect->height;
@ -144,9 +178,9 @@ bool aabb(u64 x, u64 y, const render_rect_t *rect) {
void handle_quit(const window_t *wnd, void *obj, const SDL_Event *ev) {
if (ev->type == SDL_QUIT) {
window_t *wnd = obj;
window_t *window = (window_t *)obj;
wnd->running = false;
window->running = false;
}
}