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

   1 #include <stdlib.h>
   2 #include <X11/Xft/Xft.h>
   3 #include "../kernel/openbox.h"
   4 #include "font.h"
   5
   6 #include "../src/gettext.h"
   7 #define _(str) gettext(str)
   8
   9 void font_startup(void)
  10 {
  11 #ifdef DEBUG
  12     int version;
  13 #endif /* DEBUG */
  14     if (!XftInit(0)) {
  15         g_warning(_("Couldn't initialize Xft.\n\n"));
  16         exit(3);
  17     }
  18 #ifdef DEBUG
  19     version = XftGetVersion();
  20     g_message("Using Xft %d.%d.%d (Built against %d.%d.%d).\n",
  21               version / 10000 % 100, version / 100 % 100, version % 100,
  22               XFT_MAJOR, XFT_MINOR, XFT_REVISION);
  23 #endif
  24 }
  25
  26 ObFont *font_open(char *fontstring)
  27 {
  28     ObFont *out;
  29     XftFont *xf;
  30
  31     if ((xf = XftFontOpenName(ob_display, ob_screen, fontstring))) {
  32         out = malloc(sizeof(ObFont));
  33         out->xftfont = xf;
  34         return out;
  35     }
  36     g_warning(_("Unable to load font: %s\n"), fontstring);
  37     g_warning(_("Trying fallback font: %s\n"), "fixed");
  38
  39     if ((xf = XftFontOpenName(ob_display, ob_screen, "fixed"))) {
  40         out = malloc(sizeof(ObFont));
  41         out->xftfont = xf;
  42         return out;
  43     }
  44     g_warning(_("Unable to load font: %s\n"), "fixed");
  45     g_warning(_("Aborting!.\n"));
  46
  47     exit(3); // can't continue without a font
  48 }
  49
  50
  51 void font_close(ObFont *f)
  52 {
  53     XftFontClose(ob_display, f->xftfont);
  54 }
  55
  56
  57 int font_measure_string(ObFont *f, const char *str, int shadow, int offset)
  58 {
  59     XGlyphInfo info;
  60
  61     XftTextExtentsUtf8(ob_display, f->xftfont,
  62                        (FcChar8*)str, strlen(str), &info);
  63
  64     return (signed) info.xOff + (shadow ? offset : 0);
  65 }
  66
  67
  68 int font_height(ObFont *f, int shadow, int offset)
  69 {
  70   return (signed) f->xftfont->height + (shadow ? offset : 0);
  71 }
  72
  73
  74 int font_max_char_width(ObFont *f)
  75 {
  76   return (signed) f->xftfont->max_advance_width;
  77 }