Added frame buffer support.

src/display/gui/font.h

@@ -11,7 +11,28 @@
 
 #define FONT_CHAR_START 33
 
+/**
+ * Get the division for a given character.
+ * 
+ * @param tileset Tileset to get the division from.
+ * @param character Character to get the division for.
+ * @return The division from the tileset for the character.
+ */
 tilesetdiv_t * fontGetCharacterDivision(tileset_t *tileset, char character);
+
+/**
+ * Renders a set of font characters to the sprite. Coordinates are anchored to
+ * the top left (0,0) origin.
+ * 
+ * @param batch Sprite Batch to render to.
+ * @param tileset Tileset for the font.
+ * @param string String to render.
+ * @param x Position in X space.
+ * @param y Position in Y space.
+ * @param z Position in Z space.
+ * @param charWidth Width of each character.
+ * @param charHeight Height of each character.
+ */
 void fontSpriteBatchBuffer(spritebatch_t *batch, tileset_t *tileset,
   char *string, float x, float y, float z, float charWidth, float charHeight
 );