aboutsummaryrefslogtreecommitdiff
path: root/src/FbTk/Font.cc
diff options
context:
space:
mode:
authorfluxgen <fluxgen>2002-11-26 16:01:28 (GMT)
committerfluxgen <fluxgen>2002-11-26 16:01:28 (GMT)
commitac4420cdc50b7d7410781bc1bbbd1e89e18f256d (patch)
tree5c18c5497d42fafdd962269aa42f2efe80a2afdf /src/FbTk/Font.cc
parent031edc36acb3957046d0836ec0ac17cd1c323b22 (diff)
downloadfluxbox-ac4420cdc50b7d7410781bc1bbbd1e89e18f256d.zip
fluxbox-ac4420cdc50b7d7410781bc1bbbd1e89e18f256d.tar.bz2
initial import
Diffstat (limited to 'src/FbTk/Font.cc')
-rw-r--r--src/FbTk/Font.cc184
1 files changed, 184 insertions, 0 deletions
diff --git a/src/FbTk/Font.cc b/src/FbTk/Font.cc
new file mode 100644
index 0000000..949890e
--- /dev/null
+++ b/src/FbTk/Font.cc
@@ -0,0 +1,184 @@
1// Font.cc
2// Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org)
3//
4// Permission is hereby granted, free of charge, to any person obtaining a
5// copy of this software and associated documentation files (the "Software"),
6// to deal in the Software without restriction, including without limitation
7// the rights to use, copy, modify, merge, publish, distribute, sublicense,
8// and/or sell copies of the Software, and to permit persons to whom the
9// Software is furnished to do so, subject to the following conditions:
10//
11// The above copyright notice and this permission notice shall be included in
12// all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20// DEALINGS IN THE SOFTWARE.
21
22//$Id: Font.cc,v 1.1 2002/11/26 16:01:27 fluxgen Exp $
23
24
25#include "Font.hh"
26#include "FontImp.hh"
27
28#ifdef HAVE_CONFIG_H
29#include "config.h"
30#endif // HAVE_CONFIG_H
31
32// for antialias
33#ifdef USE_XFT
34#include "XftFontImp.hh"
35#endif // USE_XFT
36
37// for multibyte support
38#ifdef USE_XMB
39#include "XmbFontImp.hh"
40#endif //USE_XMB
41
42// standard font system
43#include "XFontImp.hh"
44
45//use gnu extensions
46#ifndef _GNU_SOURCE
47#define _GNU_SOURCE
48#endif //_GNU_SOURCE
49
50#ifndef __USE_GNU
51#define __USE_GNU
52#endif //__USE_GNU
53
54#include <iostream>
55#include <cstring>
56#include <cstdlib>
57using namespace std;
58
59#ifdef HAVE_SETLOCALE
60#include <locale.h>
61#endif //HAVE_SETLOCALE
62
63namespace FbTk {
64
65bool Font::m_multibyte = false;
66bool Font::m_utf8mode = false;
67
68Font::Font(const char *name, bool antialias):
69m_fontimp(0),
70m_antialias(false), m_rotated(false) {
71
72 // MB_CUR_MAX returns the size of a char in the current locale
73 if (MB_CUR_MAX > 1) // more than one byte, then we're multibyte
74 m_multibyte = true;
75
76 char *s; // temporary string for enviroment variable
77 // check for utf-8 mode
78 if (((s = getenv("LC_ALL")) && *s) ||
79 ((s = getenv("LC_CTYPE")) && *s) ||
80 ((s = getenv("LANG")) && *s)) {
81 if (strstr(s, "UTF-8"))
82 m_utf8mode = true;
83 }
84
85 // create the right font implementation
86 // antialias is prio 1
87#ifdef USE_XFT
88 if (antialias) {
89 m_fontimp.reset(new XftFontImp(0, m_utf8mode));
90 m_antialias = true;
91 }
92#endif //USE_XFT
93 // if we didn't create a Xft font then create basic font
94 if (m_fontimp.get() == 0) {
95#ifdef USE_XMB
96 if (m_multibyte || m_utf8mode)
97 m_fontimp.reset(new XmbFontImp(0, m_utf8mode));
98 else // basic font implementation
99#endif // USE_XMB
100 m_fontimp.reset(new XFontImp());
101 }
102
103 if (name != 0) {
104 load(name);
105 }
106
107}
108
109Font::~Font() {
110
111}
112
113void Font::setAntialias(bool flag) {
114 bool loaded = m_fontimp->loaded();
115#ifdef USE_XFT
116 if (flag && !isAntialias() && !m_rotated) {
117 m_fontimp.reset(new XftFontImp(m_fontstr.c_str(), m_utf8mode));
118 } else if (!flag && isAntialias())
119#endif // USE_XFT
120 {
121#ifdef USE_XMB
122 if (m_multibyte || m_utf8mode)
123 m_fontimp.reset(new XmbFontImp(m_fontstr.c_str(), m_utf8mode));
124 else
125#endif // USE_XMB
126 m_fontimp.reset(new XFontImp(m_fontstr.c_str()));
127 }
128
129 if (m_fontimp->loaded() != loaded) { // if the new font failed to load, fall back to 'fixed'
130 if (!m_fontimp->load("fixed")) // if that failes too, output warning
131 cerr<<"Warning: can't load fallback font 'fixed'."<<endl;
132 }
133
134 m_antialias = flag;
135}
136
137bool Font::load(const char *name) {
138 if (name == 0)
139 return false;
140 m_fontstr = name;
141 return m_fontimp->load(name);
142}
143
144unsigned int Font::textWidth(const char * const text, unsigned int size) const {
145 return m_fontimp->textWidth(text, size);
146}
147
148unsigned int Font::height() const {
149 return m_fontimp->height();
150}
151
152int Font::ascent() const {
153 return m_fontimp->ascent();
154}
155
156int Font::descent() const {
157 return m_fontimp->descent();
158}
159void Font::drawText(Drawable w, int screen, GC gc, const char *text, size_t len, int x, int y) const {
160 if (text == 0 || len == 0)
161 return;
162 m_fontimp->drawText(w, screen, gc, text, len, x, y);
163}
164
165void Font::rotate(float angle) {
166#ifdef USE_XFT
167 // if we are rotated and we are changing to horiz text
168 // and we were antialiased before we rotated then change to XftFontImp
169 if (isRotated() && angle == 0 && isAntialias())
170 m_fontimp.reset(new XftFontImp(m_fontstr.c_str(), m_utf8mode));
171#endif // USE_XFT
172 // change to a font imp that handles rotated fonts (i.e just XFontImp at the moment)
173 // if we're going to rotate this font
174 if (angle != 0 && isAntialias() && !isRotated()) {
175 m_fontimp.reset(new XFontImp(m_fontstr.c_str()));
176 }
177
178 //Note: only XFontImp implements FontImp::rotate
179 m_fontimp->rotate(angle);
180
181 m_rotated = (angle == 0 ? false : true);
182}
183
184};