workbench/libs/diskfont/diskfont_intern.h

   1 /*
   2     Copyright © 1995-2011, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #ifndef DISKFONT_INTERN_H
   7 #define DISKFONT_INTERN_H
   8
   9 #ifndef PROTO_EXEC_H
  10 #   include  <proto/exec.h>
  11 #endif
  12 #ifndef EXEC_LIBRARIES_H
  13 #   include <exec/libraries.h>
  14 #endif
  15 #ifndef DISKFONT_DISKFONT_H
  16 #   include  <diskfont/diskfont.h>
  17 #endif
  18 #ifndef EXEC_MEMORY_H
  19 #   include  <exec/memory.h>
  20 #endif
  21 #ifndef EXEC_LISTS_H
  22 #   include  <exec/lists.h>
  23 #endif
  24 #include <exec/semaphores.h>
  25 #ifndef AROS_ASMCALL_H
  26 #   include <aros/asmcall.h>
  27 #endif
  28 #ifndef UTILITY_HOOKS_H
  29 #   include <utility/hooks.h>
  30 #endif
  31 #ifndef DOS_DOS_H
  32 #   include <dos/dos.h>
  33 #endif
  34 #include <aros/libcall.h>
  35
  36 /* Options */
  37
  38 #define ALWAYS_ZERO_LIBCOUNT 1
  39
  40 /**************/
  41 /*            */
  42 /* AVAILFONTS */
  43 /*            */
  44 /**************/
  45
  46
  47 /**************/
  48 /* Constants  */
  49 /**************/
  50
  51 /* Number of font hooks used */
  52 #define NUMFONTHOOKS 2
  53
  54 #define FONTTYPE_ROMFONT     FPF_ROMFONT
  55 #define FONTTYPE_DISKFONT    FPF_DISKFONT
  56 #define FONTTYPE_SCALEDFONT  0
  57 #define FONTTYPE_OUTLINEFONT (FPF_ROMFONT | FPF_DISKFONT)
  58 #define FONTTYPE_FLAGMASK    (FPF_ROMFONT | FPF_DISKFONT)
  59
  60 #define IS_SCALED_FONT(ta) (((ta)->tta_Flags & FONTTYPE_FLAGMASK) == FONTTYPE_SCALEDFONT)
  61 #define IS_OUTLINE_FONT(ta) (((ta)->tta_Flags & FONTTYPE_FLAGMASK) == FONTTYPE_OUTLINEFONT)
  62
  63 /* ID for cache-file */
  64 #ifdef __MORPHOS__
  65 #define CACHE_IDSTR "MORPHOS_FC"
  66 #else
  67 #define CACHE_IDSTR "AROS_FC"
  68 #endif
  69
  70 /* Path to the cachefile */
  71 #ifdef __MORPHOS__
  72 #define CACHE_FILE      "FONTS:_fontcache"
  73 #else
  74 #define CACHE_FILE      "fontcache"
  75 #endif
  76 #define PROGDIRFONTSDIR "PROGDIR:Fonts/"
  77 #define FONTSDIR        "FONTS:"
  78
  79 struct OTagList
  80 {
  81     STRPTR              filename;
  82     struct TagItem      *tags;
  83     ULONG               data[1];
  84 };
  85
  86 struct FontDescrHeader
  87 {
  88     UWORD               NumOutlineEntries;
  89     UWORD               NumEntries;
  90     UWORD               ContentsID;
  91     BOOL                Tagged;
  92     struct  TTextAttr   *TAttrArray;
  93     struct  OTagList    *OTagList;
  94 };
  95
  96
  97
  98
  99 struct AADiskFontHeader
 100 {
 101     struct Node                 dfh_DF;
 102     UWORD                       dfh_FileID;
 103     UWORD                       dfh_Revision;
 104     BPTR                        dfh_Segment;
 105     char                        dfh_Name[MAXFONTNAME];
 106     struct ColorTextFont        dfh_TF;
 107 };
 108
 109
 110
 111 /**************/
 112 /* Prototypes */
 113 /**************/
 114
 115 struct DiskfontBase; /* prerefrence */
 116
 117 /* memoryfontfunc.c */
 118
 119 APTR MF_IteratorInit(struct DiskfontBase *);
 120 struct TTextAttr *MF_IteratorGetNext(APTR, struct DiskfontBase *);
 121 VOID MF_IteratorFree(APTR, struct DiskfontBase *);
 122
 123 /* diskfontfunc.c */
 124
 125 VOID CleanUpFontsDirEntryList(struct DiskfontBase *);
 126 APTR DF_IteratorInit(struct TTextAttr *, struct DiskfontBase *);
 127 struct TTextAttr *DF_IteratorGetNext(APTR, struct DiskfontBase *);
 128 VOID DF_IteratorRemember(APTR, struct DiskfontBase *);
 129 struct TextFont *DF_IteratorRememberOpen(APTR, struct DiskfontBase *);
 130 VOID DF_IteratorFree(APTR, struct DiskfontBase *);
 131 struct TextFont *DF_OpenFontPath(struct TextAttr *, struct DiskfontBase *);
 132
 133 /* diskfont_io.c */
 134
 135 struct DiskFontHeader *ConvDiskFont(BPTR, CONST_STRPTR, BOOL, struct DiskfontBase *);
 136 void DisposeConvDiskFont(struct DiskFontHeader *, struct DiskfontBase *);
 137 struct TextFont *ReadDiskFont(struct TTextAttr *, CONST_STRPTR, struct DiskfontBase *);
 138
 139 /* af_fontdescr_io.c */
 140
 141 struct FontDescrHeader *ReadFontDescr(CONST_STRPTR, struct DiskfontBase *);
 142 VOID FreeFontDescr(struct FontDescrHeader *, struct DiskfontBase *);
 143
 144 /* dosstreamhook.c */
 145
 146 AROS_UFP3(LONG, dosstreamhook,
 147     AROS_UFPA(struct Hook *,   hook, A0),
 148     AROS_UFPA(BPTR,            file, A2),
 149     AROS_UFPA(ULONG *,         msg, A1)
 150 );
 151
 152 /* bullet.c */
 153
 154 STRPTR OTAG_MakeFileName(CONST_STRPTR, struct DiskfontBase *);
 155 VOID OTAG_FreeFileName(STRPTR, struct DiskfontBase *);
 156 struct OTagList *OTAG_GetFile(CONST_STRPTR, struct DiskfontBase *);
 157 VOID OTAG_KillFile(struct OTagList *, struct DiskfontBase *);
 158 UBYTE OTAG_GetFontStyle(struct OTagList *, struct DiskfontBase *);
 159 UBYTE OTAG_GetSupportedStyles(struct OTagList *, struct DiskfontBase *);
 160 UBYTE OTAG_GetFontFlags(struct OTagList *, struct DiskfontBase *);
 161 struct TextFont *OTAG_ReadOutlineFont(struct TTextAttr *, struct TTextAttr *, struct OTagList *, struct DiskfontBase *);
 162
 163 /* basicfuncs.c */
 164
 165 #define MAKE_REAL_SEGMENT(x) (MKBADDR(((IPTR)(x)) - sizeof(BPTR)))
 166
 167 APTR AllocSegment(BPTR *, ULONG, ULONG, struct DiskfontBase *);
 168 struct TagItem *ReadTags(BPTR, ULONG, struct DiskfontBase *);
 169 struct TagItem *ReadTagsNum(BPTR, ULONG *, struct DiskfontBase *);
 170 /*BOOL WriteTags(BPTR, struct TagItem *, struct DiskfontBase *);*/
 171 BOOL WriteTagsNum(BPTR, const struct TagItem *, struct DiskfontBase *);
 172 ULONG NumTags(const struct TagItem *, struct DiskfontBase *);
 173 ULONG CopyTagItems(struct TagItem *, const struct TagItem *, struct DiskfontBase *);
 174
 175
 176 /********************/
 177 /* Some nice macros */
 178 /********************/
 179
 180 #undef  AFH
 181 #define AFH(p)  ((struct AvailFontsHeader *)p)
 182
 183 #undef  AVF
 184 #define AVF(p)  ((struct AvailFonts       *)p)
 185
 186 #undef  TAVF
 187 #define TAVF(p) ((struct TAvailFonts      *)p)
 188
 189 #undef  TI
 190 #define TI(t)   ((struct TagItem          *)t)
 191
 192 #undef  UB
 193 #define UB(p)   ((UBYTE                   *)p)
 194
 195 #undef  TFE
 196 #define TFE(t)  ((struct TextFontExtension*)t)
 197
 198 /* Some external stuff (diskfont_init.c) */
 199
 200 /* Internal prototypes */
 201
 202 struct DiskfontBase
 203 {
 204     struct Library         lib;
 205
 206     /* dosstreamhandler hook neede for endian io funcs */
 207     struct Hook            dsh;
 208     struct List            diskfontlist;
 209
 210     struct MinList         fontsdirentrylist;
 211     struct SignalSemaphore fontssemaphore;
 212
 213     /* MemHandler interrupt for flushing library */
 214     struct Interrupt       memint;
 215 };
 216
 217 #define DFB(dfb)        ((struct DiskfontBase *)dfb)
 218
 219 #endif /* diskfont_intern.h */