1
/****************************************************************************
3
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4
** All rights reserved.
5
** Contact: Nokia Corporation (qt-info@nokia.com)
7
** This file is part of the QtGui of the Qt Toolkit.
9
** $QT_BEGIN_LICENSE:LGPL$
10
** No Commercial Usage
11
** This file contains pre-release code and may not be distributed.
12
** You may use this file in accordance with the terms and conditions
13
** contained in the Technology Preview License Agreement accompanying
16
** GNU Lesser General Public License Usage
17
** Alternatively, this file may be used under the terms of the GNU Lesser
18
** General Public License version 2.1 as published by the Free Software
19
** Foundation and appearing in the file LICENSE.LGPL included in the
20
** packaging of this file. Please review the following information to
21
** ensure the GNU Lesser General Public License version 2.1 requirements
22
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24
** In addition, as a special exception, Nokia gives you certain additional
25
** rights. These rights are described in the Nokia Qt LGPL Exception
26
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28
** If you have questions regarding the use of this file, please contact
29
** Nokia at qt-info@nokia.com.
40
****************************************************************************/
42
#ifndef QFONTENGINE_S60_P_H
43
#define QFONTENGINE_S60_P_H
49
// This file is not part of the Qt API. It exists purely as an
50
// implementation detail. This header file may change from version to
51
// version without notice, or even be removed.
57
#include "qfontengine_p.h"
62
class CFbsBitmapDevice;
68
// ..gives us access to truetype tables, UTF-16<->GlyphID mapping, and glyph outlines
69
class QFontEngineS60Extensions
72
QFontEngineS60Extensions(CFont* fontOwner, COpenFont *font);
74
QByteArray getSfntTable(uint tag) const;
75
const unsigned char *cmap() const;
76
QPainterPath glyphOutline(glyph_t glyph) const;
77
CFont *fontOwner() const;
81
const MOpenFontShapingExtension *m_shapingExtension;
82
mutable MOpenFontTrueTypeExtension *m_trueTypeExtension;
83
mutable const unsigned char *m_cmap;
84
mutable bool m_symbolCMap;
85
mutable QByteArray m_cmapTable;
89
class QFontEngineS60 : public QFontEngine
92
QFontEngineS60(const QFontDef &fontDef, const QFontEngineS60Extensions *extensions);
95
bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const;
96
void recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags flags) const;
98
QImage alphaMapForGlyph(glyph_t glyph);
100
glyph_metrics_t boundingBox(const QGlyphLayout &glyphs);
101
glyph_metrics_t boundingBox_const(glyph_t glyph) const; // Const correctnes quirk.
102
glyph_metrics_t boundingBox(glyph_t glyph);
104
QFixed ascent() const;
105
QFixed descent() const;
106
QFixed leading() const;
107
qreal maxCharWidth() const;
108
qreal minLeftBearing() const { return 0; }
109
qreal minRightBearing() const { return 0; }
111
QByteArray getSfntTable(uint tag) const;
113
static qreal pixelsToPoints(qreal pixels, Qt::Orientation orientation = Qt::Horizontal);
114
static qreal pointsToPixels(qreal points, Qt::Orientation orientation = Qt::Horizontal);
116
const char *name() const;
118
bool canRender(const QChar *string, int len);
122
void getCharacterData(glyph_t glyph, TOpenFontCharMetrics& metrics, const TUint8*& bitmap, TSize& bitmapSize) const;
125
friend class QFontPrivate;
127
QFixed glyphAdvance(HB_Glyph glyph) const;
129
CFbsBitmap *m_textRenderBitmap;
130
CFbsBitmapDevice *m_textRenderBitmapDevice;
131
CFbsBitGc *m_textRenderBitmapGc;
133
const QFontEngineS60Extensions *m_extensions;
134
qreal m_fontSizeInPixels;
137
class QFontEngineMultiS60 : public QFontEngineMulti
140
QFontEngineMultiS60(QFontEngine *first, int script, const QStringList &fallbackFamilies);
141
void loadEngine(int at);
144
QStringList m_fallbackFamilies;
149
#endif // QFONTENGINE_S60_P_H