1 files changed, 13 insertions, 5 deletions

diff --git a/render.h b/render.h
index d63297e..be03f02 100644
--- a/render.h
+++ b/render.h
@@ -24,28 +24,36 @@ void init_bitmap(
 	int h
 );
 
-typedef struct {
-	Bitmap* bmp;
+typedef struct BM_Font {
+	const Bitmap* bmp;
 	int char_w, char_h;
 	int chars_across;
 } BM_Font;
 
 void init_font(
 	BM_Font* font,
-	Bitmap* bmp,
+	const Bitmap* bmp,
 	int char_w,
 	int char_h,
 	int chars_across
 );
 
-void rfont_char(int x, int y, char c);
-void rfont_char_col(int x, int y, char c, Colour colour);
+void rfont_char(const BM_Font* font, int x, int y, char c);
+void rfont_char_col(
+	const BM_Font* font,
+	int x,
+	int y,
+	char c,
+	Colour colour
+);
 void rfont_text(
+	const BM_Font* font,
 	int x,
 	int y,
 	const char* text
 );
 void rfont_text_col(
+	const BM_Font* font,
 	int x,
 	int y,
 	const char* text,