-int getFontWidth(int, int);
-int getFontHeight(int, int);
+
+/* font types */
+#define FS_INITIAL 0
+#define FS_BIG 1
+#define FS_MEDIUM 2
+#define FS_SMALL 3
+
+/* font colors */
+#define FC_RED 0
+#define FC_BLUE 1
+#define FC_GREEN 2
+#define FC_YELLOW 3
+
+/* special fonts */
+#define FC_SPECIAL_TAPE 4
+#define FC_SPECIAL_GAME 5
+#define FC_SPECIAL_NARROW 6
+
+#define FONT(fs, fc) (( (fs) == FS_INITIAL ? \
+ IMG_FONT_INITIAL_1 + (fc) : \
+ (fs) == FS_BIG ? \
+ IMG_FONT_BIG_1 + (fc) : \
+ (fs) == FS_MEDIUM ? \
+ IMG_FONT_MEDIUM_1 + (fc) : \
+ (fs) == FS_SMALL ? \
+ IMG_FONT_SMALL_1 + (fc) : \
+ IMG_FONT_SMALL_1 \
+ ) - FIRST_IMG_FONT)
+
+#define FONT_DEFAULT_BIG FONT(FS_BIG, FC_YELLOW)
+#define FONT_DEFAULT_SMALL FONT(FS_SMALL, FC_YELLOW)
+#define FONT_SPECIAL_TAPE FONT(FS_SMALL, FC_SPECIAL_TAPE)
+#define FONT_SPECIAL_GAME FONT(FS_SMALL, FC_SPECIAL_GAME)
+#define FONT_SPECIAL_NARROW FONT(FS_SMALL, FC_SPECIAL_NARROW)
+
+#define FONT_CHARS_PER_LINE 16
+#define FONT_LINES_PER_FONT 4
+
+#define FONT_OPAQUE 0
+#define FONT_MASKED 1
+
+/* text output definitions */
+#define MAX_OUTPUT_LINESIZE 1024
+
+/* font structure definitions */
+
+void InitFontInfo(struct FontBitmapInfo *, int);
+int getFontWidth(int);
+int getFontHeight(int);