rom/graphics/fontsupport.h

   1 #ifndef FONTSUPPORT_H
   2 #define FONTSUPPORT_H
   3 /*
   4     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   5     $Id$
   6
   7     Desc: Misc definitions internal to fonts.
   8     Lang: english
   9 */
  10
  11 #ifndef GRAHPICS_TEXT_H
  12 #   include <graphics/text.h>
  13 #endif
  14
  15 #define NUMCHARS(tf)    ((tf->tf_HiChar - tf->tf_LoChar) + 2)
  16 #define CTF(x)          ((struct ColorTextFont *)x)
  17
  18 struct tfe_hashnode
  19 {
  20     struct tfe_hashnode         *next;
  21     struct TextFont             *back;
  22     struct TextFontExtension    *ext;
  23
  24     /* A bitmap describing the font */
  25     OOP_Object                  *font_bitmap;
  26     /* Color font data in chunky format */
  27     UBYTE                       *chunky_colorfont;
  28 };
  29
  30 struct TextFontExtension_intern
  31 {
  32     struct TextFontExtension  tfe;
  33     struct tfe_hashnode      *hash;
  34 };
  35
  36 #define TFE_INTERN(tfe) (*(struct TextFontExtension_intern **)&tfe)
  37
  38 extern struct tfe_hashnode *tfe_hashlookup(struct TextFont *tf, struct GfxBase *GfxBase);
  39
  40 extern void tfe_hashadd(struct tfe_hashnode *hn, struct TextFont *tf,
  41                         struct TextFontExtension *etf, struct GfxBase *GfxBase);
  42
  43
  44 extern void tfe_hashdelete(struct TextFont *tf, struct GfxBase *GfxBase);
  45 struct tfe_hashnode *tfe_hashnode_create(struct GfxBase *GfxBase);
  46
  47 OOP_Object *fontbm_to_hiddbm(struct TextFont *font, struct GfxBase *GfxBase);
  48 UBYTE *colorfontbm_to_chunkybuffer(struct TextFont *font, struct GfxBase *GfxBase);
  49
  50
  51 #endif /* FONTSUPPORT_H */