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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
#ifdef HAVE_CONFIG_H
# include "../config.h"
#endif // HAVE_CONFIG_H
extern "C" {
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif // HAVE_STDLIB_H
}
#include <iostream>
#include <algorithm>
#include "font.hh"
#include "util.hh"
#include "display.hh"
#include "color.hh"
#include "screeninfo.hh"
extern "C" {
#ifdef HAVE_STDIO_H
# include <stdio.h>
#endif // HAVE_STDIO_H
#include "gettext.h"
#define _(str) gettext(str)
}
namespace otk {
std::string Font::_fallback_font = "fixed";
bool Font::_xft_init = false;
Font::Font(int screen_num, const std::string &fontstring,
bool shadow, unsigned char offset, unsigned char tint)
: _screen_num(screen_num),
_fontstring(fontstring),
_shadow(shadow),
_offset(offset),
_tint(tint),
_xftfont(0)
{
assert(screen_num >= 0);
assert(tint <= CHAR_MAX);
if (!_xft_init) {
if (!XftInit(0)) {
printf(_("Couldn't initialize Xft.\n\n"));
::exit(3);
}
int version = XftGetVersion();
printf(_("Using Xft %d.%d.%d (Built against %d.%d.%d).\n"),
version / 10000 % 100, version / 100 % 100, version % 100,
XFT_MAJOR, XFT_MINOR, XFT_REVISION);
_xft_init = true;
}
if ((_xftfont = XftFontOpenName(**display, _screen_num,
_fontstring.c_str())))
return;
printf(_("Unable to load font: %s\n"), _fontstring.c_str());
printf(_("Trying fallback font: %s\n"), _fallback_font.c_str());
if ((_xftfont = XftFontOpenName(**display, _screen_num,
_fallback_font.c_str())))
return;
printf(_("Unable to load font: %s\n"), _fallback_font.c_str());
printf(_("Aborting!.\n"));
::exit(3); // can't continue without a font
}
Font::~Font(void)
{
if (_xftfont)
XftFontClose(**display, _xftfont);
}
void Font::drawString(XftDraw *d, int x, int y, const Color &color,
const ustring &string) const
{
assert(d);
if (_shadow) {
XftColor c;
c.color.red = 0;
c.color.green = 0;
c.color.blue = 0;
c.color.alpha = _tint | _tint << 8; // transparent shadow
c.pixel = BlackPixel(**display, _screen_num);
if (string.utf8())
XftDrawStringUtf8(d, &c, _xftfont, x + _offset,
_xftfont->ascent + y + _offset,
(FcChar8*)string.c_str(), string.bytes());
else
XftDrawString8(d, &c, _xftfont, x + _offset,
_xftfont->ascent + y + _offset,
(FcChar8*)string.c_str(), string.bytes());
}
XftColor c;
c.color.red = color.red() | color.red() << 8;
c.color.green = color.green() | color.green() << 8;
c.color.blue = color.blue() | color.blue() << 8;
c.pixel = color.pixel();
c.color.alpha = 0xff | 0xff << 8; // no transparency in Color yet
if (string.utf8())
XftDrawStringUtf8(d, &c, _xftfont, x, _xftfont->ascent + y,
(FcChar8*)string.c_str(), string.bytes());
else
XftDrawString8(d, &c, _xftfont, x, _xftfont->ascent + y,
(FcChar8*)string.c_str(), string.bytes());
return;
}
unsigned int Font::measureString(const ustring &string) const
{
XGlyphInfo info;
if (string.utf8())
XftTextExtentsUtf8(**display, _xftfont,
(FcChar8*)string.c_str(), string.bytes(), &info);
else
XftTextExtents8(**display, _xftfont,
(FcChar8*)string.c_str(), string.bytes(), &info);
return info.xOff + (_shadow ? _offset : 0);
}
unsigned int Font::height(void) const
{
return _xftfont->height + (_shadow ? _offset : 0);
}
unsigned int Font::maxCharWidth(void) const
{
return _xftfont->max_advance_width;
}
}
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