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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>
using std::string;
using std::cerr;
using std::endl;
#include "font.hh"
#include "util.hh"
#include "display.hh"
#include "color.hh"
#include "screeninfo.hh"
namespace otk {
string BFont::_fallback_font = "fixed";
BFont::BFont(int screen_num, const string &family, int size,
bool bold, bool italic, bool shadow, unsigned char offset,
unsigned char tint, bool antialias) :
_screen_num(screen_num),
_family(family),
_simplename(False),
_size(size),
_bold(bold),
_italic(italic),
_antialias(antialias),
_shadow(shadow),
_offset(offset),
_tint(tint),
_xftfont(0) {
_valid = False;
_xftfont = XftFontOpen(OBDisplay::display, _screen_num,
XFT_FAMILY, XftTypeString, _family.c_str(),
XFT_SIZE, XftTypeInteger, _size,
XFT_WEIGHT, XftTypeInteger, (_bold ?
XFT_WEIGHT_BOLD :
XFT_WEIGHT_MEDIUM),
XFT_SLANT, XftTypeInteger, (_italic ?
XFT_SLANT_ITALIC :
XFT_SLANT_ROMAN),
XFT_ANTIALIAS, XftTypeBool, _antialias,
0);
if (! _xftfont)
return; // failure
_valid = True;
}
BFont::~BFont(void) {
if (_xftfont)
XftFontClose(OBDisplay::display, _xftfont);
}
void BFont::drawString(Drawable d, int x, int y, const BColor &color,
const string &string) const {
assert(_valid);
const ScreenInfo *info = OBDisplay::screenInfo(_screen_num);
XftDraw *draw = XftDrawCreate(OBDisplay::display, d,
info->getVisual(), info->getColormap());
assert(draw);
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(OBDisplay::display, _screen_num);
XftDrawString8(draw, &c, _xftfont, x + _offset,
_xftfont->ascent + y + _offset,
(XftChar8 *) string.c_str(),
string.size());
}
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 BColor yet
XftDrawString8(draw, &c, _xftfont, x, _xftfont->ascent + y,
(XftChar8 *) string.c_str(), string.size());
XftDrawDestroy(draw);
return;
}
unsigned int BFont::measureString(const string &string) const {
assert(_valid);
XGlyphInfo info;
XftTextExtents8(OBDisplay::display, _xftfont,
(XftChar8 *) string.c_str(), string.size(), &info);
return info.xOff + (_shadow ? _offset : 0);
}
unsigned int BFont::height(void) const {
assert(_valid);
return _xftfont->height + (_shadow ? _offset : 0);
}
unsigned int BFont::maxCharWidth(void) const {
assert(_valid);
return _xftfont->max_advance_width;
}
}
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