pc-tools/fontgen/src/hp.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include <stdlib.h>
   4
   5 #include "fontgen.h"
   6
   7 #include "charset0.h"
   8 #include "charset1.h"
   9 #include "charset2.h"
  10 #include "charset3.h"
  11 #include "charset4.h"
  12 #include "charset5.h"
  13 #include "charset6.h"
  14 #include "charset7.h"
  15 #include "font173.h"
  16 #include "font205.h"
  17
  18
  19 pl_font hp_convert(char ** fontdata, int scale){
  20
  21   int charcode=0;
  22   int pos=0;
  23
  24   int font_size=0;
  25
  26   pl_glyph * glyphs=NULL;
  27
  28   for (charcode=0; charcode<128; charcode++){
  29     char * glyphdata=fontdata[charcode];
  30     if (strlen(glyphdata)){ /* There IS a glyph */
  31
  32       glyphs=realloc(glyphs,sizeof(pl_glyph)*++font_size);
  33       int glyph_size=1;
  34       pl_point * points=malloc(sizeof(pl_point));
  35       points[0].p_data=7*scale+82+82*0x100;
  36
  37       for (pos=0; pos<strlen(glyphdata); pos++){
  38         points=realloc(points,sizeof(pl_point)*++glyph_size);
  39
  40         if (! (glyphdata[pos]&0x80)){ /* Moveto instruction */
  41           points[glyph_size-1].p_data=020122; /* Pen up code */
  42           points=realloc(points,sizeof(pl_point)*++glyph_size);
  43         }
  44         int x=(((glyphdata[pos]&0x70)>>4)*scale)+82;
  45         int y=82-((glyphdata[pos]&0xf)*scale);
  46         points[glyph_size-1].p_data=(x<<8)+(y);
  47       }
  48       glyphs[font_size-1].gl_points=points;
  49       glyphs[font_size-1].gl_number=charcode;
  50       glyphs[font_size-1].gl_size=glyph_size;
  51       glyphs[font_size-1].gl_comment=NULL;
  52       glyphs[font_size-1].gl_label=NULL;
  53
  54
  55     } else {
  56       if (charcode==32){ /* SPACE */
  57         glyphs=realloc(glyphs,sizeof(pl_glyph)*++font_size);
  58         pl_point * points=malloc(sizeof(pl_point));
  59         points[0].p_data=7*scale+82+82*0x100;
  60         glyphs[font_size-1].gl_points=points;
  61         glyphs[font_size-1].gl_number=32;
  62         glyphs[font_size-1].gl_size=1;
  63         glyphs[font_size-1].gl_label=NULL;
  64         glyphs[font_size-1].gl_comment=NULL;
  65       }
  66     }
  67   }
  68   pl_font result;
  69   result.f_size=font_size;
  70   result.f_glyphs=glyphs;
  71   result.f_label="PL$FNT";
  72   result.f_base=4*scale;
  73   result.f_top=10*scale;
  74   result.f_offset=11*scale;
  75   result.f_comment="HP AUTOMATIC";
  76   return result;
  77 }