1 files changed, 48 insertions, 0 deletions
diff --git a/src/resources/image.c b/src/resources/image.c
new file mode 100644
index 0000000..cd2c317
--- /dev/null
+++ b/src/resources/image.c
@@ -0,0 +1,48 @@
+#include <SDL.h>
+#include <SDL_image.h>
+#include "../logging.h"
+#include "image.h"
+#include "resource.h"
+
+struct resource_table img_res;
+
+struct image *
+img_png_get(const char *path)
+{
+	SDL_RWops *rwops;
+	struct image *img;
+
+	img = (struct image *) resource_get(&img_res, path);
+	if (img != NULL) {
+		resource_use((struct resource *) img);
+		return img;
+	}
+
+	img = resource_alloc(path, sizeof(*img));
+	rwops = SDL_RWFromFile(path, "rb");
+	img->image = IMG_LoadPNG_RW(rwops);
+	if (!img->image) {
+		err(1, "Failed to load image \"%s\" (%s)",
+				path, IMG_GetError());
+	}
+
+	resource_use((struct resource *) img);
+	resource_add(&img_res, path, (struct resource *) img);
+
+	return img;
+}
+
+void
+img_png_free(struct image *image)
+{
+	SDL_Surface *data;
+
+	if (image == NULL) {
+		return;
+	}
+
+	data = image->image;
+	if (resource_free(&img_res, (struct resource *) image)) {
+		SDL_FreeSurface(data);
+	}
+}