workbench/demos/listfonts.c

   1 /*
   2     (C) 1995-96 AROS - The Amiga Research OS
   3     $Id$
   4
   5     Desc: Demo/test of diskfont/AvailFonts()
   6     Lang: English.
   7 */
   8
   9
  10 #include <proto/diskfont.h>
  11 #include <proto/exec.h>
  12 #include <diskfont/diskfont.h>
  13 #include <exec/memory.h>
  14 #include <stdio.h>
  15
  16 #include <proto/dos.h>
  17
  18 #define DEBUG 1
  19 #include <aros/debug.h>
  20
  21 struct Library *DiskfontBase;
  22
  23 int main(int argc, char ** argv)
  24 {
  25     ULONG afshortage = 0;
  26     IPTR  pargs[5];
  27
  28     struct AvailFontsHeader *afh;
  29     struct AvailFonts *afptr;
  30
  31     /* Try to guess how many bytes are needed */
  32     ULONG afsize        = 10000;
  33
  34     if (!(DiskfontBase = OpenLibrary("diskfont.library", 0L)))
  35     {
  36         VPrintf ("Couldn't open diskfont.library\n", NULL);
  37         return (RETURN_FAIL);
  38     }
  39
  40     do
  41     {
  42         afh = (struct AvailFontsHeader *)AllocMem(afsize, MEMF_ANY);
  43         if (afh)
  44         {
  45             afshortage = AvailFonts((STRPTR)afh, afsize, AFF_MEMORY|AFF_DISK);
  46             if (afshortage)
  47             {
  48                 FreeMem(afh, afsize);
  49                 afsize += afshortage;
  50                 afh = (struct AvailFontsHeader*)(-1L);
  51             }
  52         }
  53     } while (afshortage && afh);
  54
  55     if (afh)
  56     {
  57         /* Print some info about the fonts */
  58         UWORD count;
  59
  60         pargs[0] = afh->afh_NumEntries;
  61         VPrintf("Number of fonts found: %ld\n", pargs);
  62
  63         /* Get pointer to the first AvailFonts item */
  64         afptr = (struct AvailFonts*)&afh[1];
  65
  66         for (count = afh->afh_NumEntries; count; count --)
  67         {
  68             pargs[0] = afptr->af_Type;
  69             pargs[1] = (IPTR)afptr->af_Attr.ta_Name;
  70             pargs[2] = afptr->af_Attr.ta_YSize;
  71             pargs[3] = afptr->af_Attr.ta_Style;
  72             pargs[4] = afptr->af_Attr.ta_Flags;
  73
  74             VPrintf ("[%ld] Font name: %-30.s Font YSize: %ld  Style: 0x%lx  Flags 0x%lx\n", pargs);
  75
  76             afptr ++;
  77         }
  78     }
  79
  80     CloseLibrary(DiskfontBase);
  81     return (RETURN_OK);
  82 }