aboutsummaryrefslogtreecommitdiff
path: root/src/FbTk/XftFontImp.cc
diff options
context:
space:
mode:
Diffstat (limited to 'src/FbTk/XftFontImp.cc')
-rw-r--r--src/FbTk/XftFontImp.cc143
1 files changed, 143 insertions, 0 deletions
diff --git a/src/FbTk/XftFontImp.cc b/src/FbTk/XftFontImp.cc
new file mode 100644
index 0000000..59f8440
--- /dev/null
+++ b/src/FbTk/XftFontImp.cc
@@ -0,0 +1,143 @@
1// XftFontImp.cc Xft font implementation for FbTk
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: XftFontImp.cc,v 1.2 2002/12/01 13:42:15 rathnor Exp $
23
24#include "XftFontImp.hh"
25#include "App.hh"
26
27#ifdef HAVE_CONFIG_H
28#include "config.h"
29#endif //HAVE_CONFIG_H
30namespace FbTk {
31
32XftFontImp::XftFontImp(const char *name, bool utf8):m_xftfont(0),
33 m_utf8mode(utf8) {
34 if (name != 0)
35 load(name);
36}
37
38XftFontImp::~XftFontImp() {
39 if (m_xftfont != 0)
40 XftFontClose(App::instance()->display(), m_xftfont);
41}
42
43bool XftFontImp::load(const std::string &name) {
44 //Note: assumes screen 0 for now, changes on draw if needed
45
46 Display *disp = App::instance()->display();
47 XftFont *newxftfont = XftFontOpenName(disp, 0, name.c_str());
48
49 if (newxftfont == 0) { // failed to open font, lets test with XLFD
50 newxftfont = XftFontOpenXlfd(disp, 0, name.c_str());
51 if (newxftfont == 0)
52 return false;
53 }
54 // destroy old font and set new
55 if (m_xftfont != 0)
56 XftFontClose(disp, m_xftfont);
57
58 m_xftfont = newxftfont;
59
60 return true;
61}
62
63void XftFontImp::drawText(Drawable w, int screen, GC gc, const char *text, size_t len, int x, int y) const {
64 if (m_xftfont == 0)
65 return;
66 Display *disp = App::instance()->display();
67 XftDraw *draw = XftDrawCreate(disp,
68 w,
69 DefaultVisual(disp, screen),
70 DefaultColormap(disp, screen));
71
72 XGCValues gc_val;
73
74 // get foreground pixel value and convert it to XRenderColor value
75 // TODO: we should probably check return status
76 XGetGCValues(disp, gc, GCForeground, &gc_val);
77
78 // get red, green, blue values
79 XColor xcol;
80 xcol.pixel = gc_val.foreground;
81 XQueryColor(disp, DefaultColormap(disp, screen), &xcol);
82
83 // convert xcolor to XftColor
84 XRenderColor rendcol;
85 rendcol.red = xcol.red;
86 rendcol.green = xcol.green;
87 rendcol.blue = xcol.blue;
88 rendcol.alpha = 0xFFFF;
89 XftColor xftcolor;
90 XftColorAllocValue(disp, DefaultVisual(disp, screen), DefaultColormap(disp, screen),
91 &rendcol, &xftcolor);
92
93 // draw string
94#ifdef HAVE_XFT_UTF8_STRING
95 if (m_utf8mode) {
96 XftDrawStringUtf8(draw,
97 &xftcolor,
98 m_xftfont,
99 x, y,
100 (XftChar8 *)(text), len);
101 } else
102#endif // HAVE_XFT_UTF8_STRING
103 {
104 XftDrawString8(draw,
105 &xftcolor,
106 m_xftfont,
107 x, y,
108 (XftChar8 *)(text), len);
109 }
110
111 XftColorFree(disp, DefaultVisual(disp, screen),
112 DefaultColormap(disp, screen), &xftcolor);
113 XftDrawDestroy(draw);
114}
115
116unsigned int XftFontImp::textWidth(const char * const text, unsigned int len) const {
117 if (m_xftfont == 0)
118 return 0;
119 XGlyphInfo ginfo;
120#ifdef HAVE_XFT_UTF8_STRING
121 if (m_utf8mode) {
122 XftTextExtentsUtf8(App::instance()->display(),
123 m_xftfont,
124 (XftChar8 *)text, len,
125 &ginfo);
126 } else
127#endif //HAVE_XFT_UTF8_STRING
128 {
129 XftTextExtents8(App::instance()->display(),
130 m_xftfont,
131 (XftChar8 *)text, len,
132 &ginfo);
133 }
134 return ginfo.xOff;
135}
136
137unsigned int XftFontImp::height() const {
138 if (m_xftfont == 0)
139 return 0;
140 return m_xftfont->height;
141}
142
143}; // end namespace FbTk