1 files changed, 3 insertions, 3 deletions
diff --git a/src/font.c b/src/font.c
index c351857..fb54604 100644
--- a/src/font.c
+++ b/src/font.c
@@ -65,19 +65,19 @@ font_find(const char *name)
 }
 
 int
-font_get_width(struct font *font)
+font_get_width(const struct font *font)
 {
 	return font->desc.width;
 }
 
 int
-font_get_height(struct font *font)
+font_get_height(const struct font *font)
 {
 	return font->desc.height;
 }
 
 void
-font_render(struct font *font, png_const_colorp fg, png_const_colorp bg,
+font_render(const struct font *font, png_const_colorp fg, png_const_colorp bg,
 		unsigned char ch, png_bytepp rows, int row, int col)
 {
 	size_t        y;