Search for verstag.h in app subdirs first.

[bertos.git] / gfx / font.h

diff --git a/gfx/font.h b/gfx/font.h
index 1f5d2780aeaf2b22b127cd0ec7286fc7e533b2de..82d778edd6e24e619737dcbd2d9c826427204599 100755 (executable)
--- a/gfx/font.h
+++ b/gfx/font.h
@@ -14,6 +14,18 @@
 
 /*#*
  *#* $Log$
+ *#* Revision 1.6  2006/05/27 22:31:34  bernie
+ *#* Switch to a smaller default fount.
+ *#*
+ *#* Revision 1.5  2006/03/13 02:06:04  bernie
+ *#* FONT_HAS_GLYPH(): New macro.
+ *#*
+ *#* Revision 1.4  2006/02/15 09:10:15  bernie
+ *#* Implement prop fonts; Fix algo styles.
+ *#*
+ *#* Revision 1.3  2006/02/10 12:29:05  bernie
+ *#* Add multiple font support in bitmaps.
+ *#*
  *#* Revision 1.2  2005/11/04 18:17:45  bernie
  *#* Fix header guards and includes for new location of gfx module.
  *#*
@@ -51,15 +63,35 @@
 #include <cfg/compiler.h> /* uint8_t */
 #include <mware/pgm.h> /* PROGMEM */
 
-/*!
- * \name Font size (in pixel)
- * \{
- */
-#define FONT_WIDTH   6
-#define FONT_HEIGHT  8
-/* \} */
+typedef struct Font
+{
+       /**
+        * Pointer to glyph data.
+        *
+        * Data is an array of at most 256 glyphs packed together.
+        * Raster format must be the same of the bitmap.
+        */
+       const PROGMEM uint8_t *glyph;
+
+       uint8_t width;     /**< Pixel width of character cell. */
+       uint8_t height;    /**< Pixel height of character cell. */
+
+       uint8_t first;     /**< First encoded character in glyph array. */
+       uint8_t last;      /**< Last encoded character in glyph array (inclusive). */
+
+       /** Array of glyph offsets in bytes. NULL for fixed-width fonts. */
+       const PROGMEM uint16_t *offset;
+       const PROGMEM uint8_t *widths;
+
+} Font;
+
+
+/** Return true if glyph \a c is available in \a font. */
+#define FONT_HAS_GLYPH(font, c) ((c) >= (font)->first && (c) <= (font)->last)
+
 
-/*! Font table. */
-extern const PROGMEM uint8_t font[256 * FONT_WIDTH];
+/** The default font. */
+#define default_font font_luBS14
+extern const struct Font default_font;
 
 #endif /* GFX_FONT_H */