Dogcows Code - chaz/openbox/blob - render/font.c

   1 #include "font.h"
   2
   3 #include "../src/gettext.h"
   4 #define _(str) gettext(str)
   5
   6 font_open(const std::string &fontstring,
   7              bool shadow, unsigned char offset, unsigned char tint)
   8 {
   9   assert(screen_num >= 0);
  10   assert(tint <= CHAR_MAX);
  11
  12   if (!_xft_init) {
  13     if (!XftInit(0)) {
  14       printf(_("Couldn't initialize Xft.\n\n"));
  15       ::exit(3);
  16     }
  17 #ifdef DEBUG
  18     int version = XftGetVersion();
  19     printf("Using Xft %d.%d.%d (Built against %d.%d.%d).\n",
  20            version / 10000 % 100, version / 100 % 100, version % 100,
  21            XFT_MAJOR, XFT_MINOR, XFT_REVISION);
  22 #endif
  23     _xft_init = true;
  24   }
  25
  26   if ((_xftfont = XftFontOpenName(ob_display, _screen_num,
  27                                   fontstring)))
  28     return;
  29
  30   printf(_("Unable to load font: %s\n"), _fontstring.c_str());
  31   printf(_("Trying fallback font: %s\n"), "fixed");
  32
  33   if ((_xftfont = XftFontOpenName(ob_display, _screen_num,
  34                                   "fixed")))
  35     return;
  36
  37   printf(_("Unable to load font: %s\n"), "fixed");
  38   printf(_("Aborting!.\n"));
  39
  40   exit(3); // can't continue without a font
  41 }
  42
  43
  44 destroy_fonts(void)
  45 {
  46   if (_xftfont)
  47     XftFontClose(ob_display, _xftfont);
  48 }
  49
  50
  51 int font_measure_string(const char *)
  52 {
  53   XGlyphInfo info;
  54
  55   if (string.utf8())
  56     XftTextExtentsUtf8(**display, _xftfont,
  57                        (FcChar8*)string.c_str(), string.bytes(), &info);
  58   else
  59     XftTextExtents8(ob_display, _xftfont,
  60                     (FcChar8*)string.c_str(), string.bytes(), &info);
  61
  62   return (signed) info.xOff + (_shadow ? _offset : 0);
  63 }
  64
  65
  66 int font_height(void)
  67 {
  68   return (signed) _xftfont->height + (_shadow ? _offset : 0);
  69 }
  70
  71
  72 int font_max_char_width(void)
  73 {
  74   return (signed) _xftfont->max_advance_width;
  75 }