otk/font.cc (raw)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 |
// -*- 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" extern "C" { #ifdef HAVE_STDIO_H # include <stdio.h> #endif // HAVE_STDIO_H #include "gettext.h" #define _(str) gettext(str) } namespace otk { string BFont::_fallback_font = "fixed"; bool BFont::_xft_init = false; BFont::BFont(int screen_num, const 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 version %d.%d.%d.\n\n"), XFT_MAJOR, XFT_MINOR, XFT_REVISION); ::exit(3); } printf(_("Using Xft %d.%d.%d.\n"), XFT_MAJOR, XFT_MINOR, XFT_REVISION); _xft_init = true; } if ((_xftfont = XftFontOpenName(OBDisplay::display, _screen_num, _fontstring.c_str()))) return; printf(_("Unable to load font: %s"), _fontstring.c_str()); printf(_("Trying fallback font: %s\n"), _fallback_font.c_str()); if ((_xftfont = XftFontOpenName(OBDisplay::display, _screen_num, _fallback_font.c_str()))) return; printf(_("Unable to load font: %s"), _fallback_font.c_str()); printf(_("Aborting!.\n")); ::exit(3); // can't continue without a font } BFont::~BFont(void) { if (_xftfont) XftFontClose(OBDisplay::display, _xftfont); } void BFont::drawString(XftDraw *d, int x, int y, const BColor &color, const string &string, bool utf8) 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(OBDisplay::display, _screen_num); if (utf8) XftDrawStringUtf8(d, &c, _xftfont, x + _offset, _xftfont->ascent + y + _offset, (const FcChar8*)string.c_str(), string.size()); else XftDrawString8(d, &c, _xftfont, x + _offset, _xftfont->ascent + y + _offset, (const FcChar8*)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 if (utf8) XftDrawStringUtf8(d, &c, _xftfont, x, _xftfont->ascent + y, (const FcChar8*)string.c_str(), string.size()); else XftDrawString8(d, &c, _xftfont, x, _xftfont->ascent + y, (const FcChar8*)string.c_str(), string.size()); return; } unsigned int BFont::measureString(const string &string, bool utf8) const { XGlyphInfo info; if (utf8) XftTextExtentsUtf8(OBDisplay::display, _xftfont, (const FcChar8*)string.c_str(), string.size(), &info); else XftTextExtents8(OBDisplay::display, _xftfont, (const FcChar8*)string.c_str(), string.size(), &info); return info.xOff + (_shadow ? _offset : 0); } unsigned int BFont::height(void) const { return _xftfont->height + (_shadow ? _offset : 0); } unsigned int BFont::maxCharWidth(void) const { return _xftfont->max_advance_width; } } |