1 files changed, 41 insertions, 0 deletions
diff --git a/font.c b/font.c
new file mode 100644
index 0000000..0ce87a7
--- /dev/null
+++ b/font.c
@@ -0,0 +1,41 @@
+#include <SDL2/SDL_error.h>
+#include <SDL2/SDL_render.h>
+#include <SDL2/SDL_image.h>
+#include "font.h"
+
+extern SDL_Renderer *renderer;
+static SDL_Texture *font_tex = NULL;
+
+int font_init(const char *path)
+{
+	if ((font_tex = IMG_LoadTexture(renderer, path)) == NULL)
+		return 1;
+	return 0;
+}
+
+void font_deinit(void)
+{
+	if (font_tex != NULL) {
+		SDL_DestroyTexture(font_tex);
+		font_tex = NULL;
+	}
+}
+
+void font_draw(int x, int y, const char *s)
+{
+	const int ox = x;
+	for (; *s != '\0'; s++) {
+		const char c = toupper(*s);
+		const int ix = c % 16 * FONT_W;
+		const int iy = c / 16 * FONT_H;
+		x += 1;
+	}
+}
+
+void font_set_color(int r, int g, int b, int a)
+{
+	if (SDL_SetTextureColorMod(font_tex, r, g, b))
+		fprintf(stderr, "%s\n", SDL_GetError());
+	if (SDL_SetTextureAlphaMod(font_tex, a))
+		fprintf(stderr, "%s\n", SDL_GetError());
+}