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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Rosegarden
A MIDI and audio sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <[email protected]>,
Chris Cannam <[email protected]>,
Richard Bown <[email protected]>
The moral rights of Guillaume Laurent, Chris Cannam, and Richard
Bown to claim authorship of this work have been asserted.
Other copyrights also apply to some parts of this work. Please
see the AUTHORS file and individual file headers for details.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#include "FontViewFrame.h"
#include <kapplication.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <qfontmetrics.h>
#include <qframe.h>
#include <qsize.h>
#include <qstring.h>
#include <qwidget.h>
#include <qpainter.h>
#ifdef HAVE_XFT
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_OUTLINE_H
#include FT_GLYPH_H
#include <X11/Xft/Xft.h>
#endif
namespace Rosegarden
{
FontViewFrame::FontViewFrame( int pixelSize, QWidget* parent, const char* name ) :
QFrame(parent, name),
m_fontSize(pixelSize),
m_tableFont(0)
{
setBackgroundMode(PaletteBase);
setFrameStyle(Panel | Sunken);
setMargin(8);
setRow(0);
}
FontViewFrame::~FontViewFrame()
{
// empty
}
void
FontViewFrame::setFont(QString font)
{
m_fontName = font;
loadFont();
update();
}
void
FontViewFrame::loadFont()
{
#ifdef HAVE_XFT
if (m_tableFont) {
XftFontClose(x11AppDisplay(), (XftFont *)m_tableFont);
}
m_tableFont = 0;
static bool haveDir = false;
if (!haveDir) {
FcConfigAppFontAddDir(FcConfigGetCurrent(),
(const FcChar8 *)"/opt/kde3/share/apps/rosegarden/fonts");
haveDir = true;
}
FcPattern *pattern = FcPatternCreate();
FcPatternAddString(pattern, FC_FAMILY, (FcChar8 *)m_fontName.latin1());
FcPatternAddInteger(pattern, FC_PIXEL_SIZE, m_fontSize);
FcConfigSubstitute(FcConfigGetCurrent(), pattern, FcMatchPattern);
FcResult result = FcResultMatch;
FcPattern *match = FcFontMatch(FcConfigGetCurrent(), pattern, &result);
FcPatternDestroy(pattern);
if (!match || result != FcResultMatch) {
KMessageBox::error(this, i18n("Error: Unable to match font name %1").arg(m_fontName));
return ;
}
FcChar8 *matchFamily;
FcPatternGetString(match, FC_FAMILY, 0, &matchFamily);
if (QString((const char *)matchFamily).lower() != m_fontName.lower()) {
KMessageBox::sorry(this, i18n("Warning: No good match for font name %1 (best is %2)").
arg(m_fontName).arg(QString((const char *)matchFamily)));
m_fontName = (const char *)matchFamily;
}
m_tableFont = XftFontOpenPattern(x11AppDisplay(), match);
if (!m_tableFont) {
KMessageBox::error(this, i18n("Error: Unable to open best-match font %1").
arg(QString((const char *)matchFamily)));
}
#endif
}
void FontViewFrame::setGlyphs(bool glyphs)
{
m_glyphs = glyphs;
update();
}
QSize FontViewFrame::sizeHint() const
{
return QSize(16 * m_fontSize * 3 / 2 + margin() + 2 * frameWidth(),
16 * m_fontSize * 3 / 2 + margin() + 2 * frameWidth());
}
QSize FontViewFrame::cellSize() const
{
QFontMetrics fm = fontMetrics();
return QSize( fm.maxWidth(), fm.lineSpacing() + 1 );
}
void FontViewFrame::paintEvent( QPaintEvent* e )
{
#ifdef HAVE_XFT
if (!m_tableFont)
return ;
QFrame::paintEvent(e);
QPainter p(this);
int ll = 25;
int ml = frameWidth() + margin() + ll + 1;
int mt = frameWidth() + margin();
QSize cell((width() - 16 - ml) / 17, (height() - 16 - mt) / 17);
if ( !cell.width() || !cell.height() )
return ;
QColor body(255, 255, 192);
QColor negative(255, 192, 192);
QColor positive(192, 192, 255);
QColor rnegative(255, 128, 128);
QColor rpositive(128, 128, 255);
Drawable drawable = (Drawable)handle();
XftDraw *draw = XftDrawCreate(x11AppDisplay(), drawable,
(Visual *)x11Visual(), x11Colormap());
QColor pen(Qt::black);
XftColor col;
col.color.red = pen.red () | pen.red() << 8;
col.color.green = pen.green () | pen.green() << 8;
col.color.blue = pen.blue () | pen.blue() << 8;
col.color.alpha = 0xffff;
col.pixel = pen.pixel();
for (int j = 0; j <= 16; j++) {
for (int i = 0; i <= 16; i++) {
int x = i * cell.width();
int y = j * cell.height();
x += ml;
y += mt; // plus ascent
if (i == 0) {
if (j == 0)
continue;
p.setFont(kapp->font());
QFontMetrics afm(kapp->font());
QString s = QString("%1").arg(m_row * 256 + (j - 1) * 16);
p.drawText(x - afm.width(s), y, s);
p.setPen(QColor(190, 190, 255));
p.drawLine(0, y, width(), y);
p.setPen(Qt::black);
continue;
} else if (j == 0) {
p.setFont(kapp->font());
QString s = QString("%1").arg(i - 1);
p.drawText(x, y, s);
p.setPen(QColor(190, 190, 255));
p.drawLine(x, 0, x, height());
p.setPen(Qt::black);
continue;
}
p.save();
if (m_glyphs) {
FT_UInt ui = m_row * 256 + (j - 1) * 16 + i - 1;
XftDrawGlyphs(draw, &col, (XftFont *)m_tableFont, x, y, &ui, 1);
} else {
FcChar32 ch = m_row * 256 + (j - 1) * 16 + i - 1;
if (XftCharExists(x11AppDisplay(), (XftFont *)m_tableFont, ch)) {
XftDrawString32(draw, &col, (XftFont *)m_tableFont, x, y, &ch, 1);
}
}
p.restore();
}
}
#endif
}
bool
FontViewFrame::hasRow(int r) const
{
#ifdef HAVE_XFT
if (m_glyphs) {
if (r < 256)
return true;
} else {
for (int c = 0; c < 256; ++c) {
FcChar32 ch = r * 256 + c;
if (XftCharExists(x11AppDisplay(), (XftFont *)m_tableFont, ch)) {
return true;
}
}
}
#endif
return false;
}
void FontViewFrame::setRow(int row)
{
m_row = row;
update();
}
}
#include "FontViewFrame.moc"
|
