git.sur5r.net Git - cc65/blob - include/tgi/tgi-vectorfont.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                             tgi-vectorfont.h                              */
   4 /*                                                                           */
   5 /*                        TGI vector font definitions                        */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2009,      Ullrich von Bassewitz                                      */
  10 /*                Roemerstrasse 52                                           */
  11 /*                D-70794 Filderstadt                                        */
  12 /* EMail:         uz@cc65.org                                                */
  13 /*                                                                           */
  14 /*                                                                           */
  15 /* This software is provided 'as-is', without any expressed or implied       */
  16 /* warranty.  In no event will the authors be held liable for any damages    */
  17 /* arising from the use of this software.                                    */
  18 /*                                                                           */
  19 /* Permission is granted to anyone to use this software for any purpose,     */
  20 /* including commercial applications, and to alter it and redistribute it    */
  21 /* freely, subject to the following restrictions:                            */
  22 /*                                                                           */
  23 /* 1. The origin of this software must not be misrepresented; you must not   */
  24 /*    claim that you wrote the original software. If you use this software   */
  25 /*    in a product, an acknowledgment in the product documentation would be  */
  26 /*    appreciated but is not required.                                       */
  27 /* 2. Altered source versions must be plainly marked as such, and must not   */
  28 /*    be misrepresented as being the original software.                      */
  29 /* 3. This notice may not be removed or altered from any source              */
  30 /*    distribution.                                                          */
  31 /*                                                                           */
  32 /*****************************************************************************/
  33
  34
  35
  36 #ifndef _TGI_VECTORFONT_H
  37 #define _TGI_VECTORFONT_H
  38
  39
  40
  41 /*****************************************************************************/
  42 /*                                   Data                                    */
  43 /*****************************************************************************/
  44
  45
  46
  47 #define TGI_VF_FIRSTCHAR        0x20            /* First char in file */
  48 #define TGI_VF_LASTCHAR         0x7E            /* Last char in file */
  49 #define TGI_VF_CCOUNT           (TGI_VF_LASTCHAR - TGI_VF_FIRSTCHAR + 1)
  50
  51 #define TGI_VF_VERSION          0x00            /* File version number */
  52
  53 /* TCH file header */
  54 typedef struct tgi_vectorfont_header tgi_vectorfont_header;
  55 struct tgi_vectorfont_header {
  56     unsigned char       magic[3];               /* "TCH" */
  57     unsigned char       version;                /* Version number */
  58     unsigned            size;                   /* Font data size */
  59 };
  60
  61 /* Font data loaded directly from file */
  62 struct tgi_vectorfont {
  63     unsigned char       top;                    /* Height of char */
  64     unsigned char       baseline;               /* Character baseline */
  65     unsigned char       bottom;                 /* Descender */
  66     unsigned char       widths[TGI_VF_CCOUNT];  /* Char widths */
  67     unsigned char*      chars[TGI_VF_CCOUNT];   /* Pointer to character defs */
  68     unsigned char       vec_ops[1];             /* Actually dynamic */
  69 };
  70
  71
  72
  73 /*****************************************************************************/
  74 /*                                   Code                                    */
  75 /*****************************************************************************/
  76
  77
  78
  79 void __fastcall__ tgi_vectorchar (char C);
  80 /* Draw one character of the vector font at the current graphics cursor
  81 ** position using the current font magnification.
  82 */
  83
  84
  85
  86 /* End of tgi-vectorfont.h */
  87 #endif
  88
  89
  90