Function grfont_Load

grtext/grfont.cpp:275–403

returns a handle to a loaded font.

//	returns a handle to a loaded font.
int grfont_Load(const char *fname) {
  FONTFILE ff;
  tFontFileInfo fnt;
  char fontname[32];
  int num_char, i, handle = -1;

  ASSERT(Font_init);

  //	check if font is in list.  if so, just return the handle.

  //	find free slot in font list.
  for (i = 0; i < MAX_FONTS; i++) {
    if (Fonts[i].references == 0)
      break;
  }
  ASSERT(i < MAX_FONTS);

  handle = i;

  //	open file.
  ff = OPEN_FONT(fname);
  if (!ff) {
    return false;
  } else if (ff == (FONTFILE)0xffffffff) {
    mprintf(0, "Illegal font file: %s.\n", fname);
    return false;
  }

  //	read header information
  fnt.width = READ_FONT_SHORT(ff);
  fnt.height = READ_FONT_SHORT(ff);
  fnt.flags = READ_FONT_SHORT(ff);
  fnt.baseline = READ_FONT_SHORT(ff);
  fnt.min_ascii = READ_FONT_BYTE(ff);
  fnt.max_ascii = READ_FONT_BYTE(ff);
  READ_FONT_DATA(ff, fontname, 32, 1);

  // read new info
  if (fnt.flags & FT_FFI2) {
    fnt.ffi2.tracking = READ_FONT_SHORT(ff);
    READ_FONT_DATA(ff, fnt.ffi2.reserved, sizeof(fnt.ffi2.reserved), 1);
  } else {
    fnt.ffi2.tracking = 0;
  }

  fnt.brightness = ((fnt.baseline >> 8) / 10.0f);
/*
  mprintf(0, "%s font.\n", fname);
  mprintf(0, "  <ht %d>::<min %d>::<max %d>::<base %d>", fnt.height, fnt.min_ascii, fnt.max_ascii, fnt.baseline);
*/
  num_char = fnt.max_ascii - fnt.min_ascii + 1;

  if (fnt.max_ascii < 'a') {
    fnt.flags |= FT_UPPERCASE;
  }

  //	Read in all widths
  if (fnt.flags & FT_PROPORTIONAL) {