Add support for rendering text with a bitmap font

include/BitmapFont.h

@@ -3,6 +3,7 @@
 
 #include "AssetManager.h"
 #include "Renderer.h"
+#include "SDL_pixels.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -10,13 +11,19 @@ extern "C" {
 
 typedef struct bitmap_font BitmapFont;
 
-BitmapFont *load_bitmap_font(AssetManager *am, const Renderer *renderer,
-                             const char *filepath, u64 tile_width,
-                             u64 tile_height);
+BitmapFont *create_bitmap_font(AssetManager *am, const Renderer *renderer,
+                               const char *filepath, u64 tile_width,
+                               u64 tile_height);
 
-RenderRect get_character_sprite(BitmapFont *font, u64 index);
+TextSize get_text_size_from_bitmap_font(BitmapFont *font, u64 font_size,
+                                        const char *text);
 
-void unload_bitmap_font(AssetManager *am, BitmapFont **font);
+void render_bitmap_font_text(AssetManager *am, Renderer *renderer,
+                             BitmapFont *font, u64 font_size, const char *text,
+                             u64 start_index, RenderRect dst_rect,
+                             SDL_Color text_color);
+
+void destroy_bitmap_font(AssetManager *am, BitmapFont **font);
 
 #ifdef __cplusplus
 }