/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtSvg module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser General Public | |
** License version 2.1 as published by the Free Software Foundation and | |
** appearing in the file LICENSE.LGPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU Lesser | |
** General Public License version 2.1 requirements will be met: | |
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
** | |
** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
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** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#include "qsvgfont_p.h" | |
#ifndef QT_NO_SVG | |
#include "qpainter.h" | |
#include "qpen.h" | |
#include "qdebug.h" | |
#include "qpicture.h" | |
QT_BEGIN_NAMESPACE | |
QSvgGlyph::QSvgGlyph(QChar unicode, const QPainterPath &path, qreal horizAdvX) | |
: m_unicode(unicode), m_path(path), m_horizAdvX(horizAdvX) | |
{ | |
} | |
QSvgFont::QSvgFont(qreal horizAdvX) | |
: m_horizAdvX(horizAdvX) | |
{ | |
} | |
QString QSvgFont::familyName() const | |
{ | |
return m_familyName; | |
} | |
void QSvgFont::addGlyph(QChar unicode, const QPainterPath &path, qreal horizAdvX ) | |
{ | |
m_glyphs.insert(unicode, QSvgGlyph(unicode, path, | |
(horizAdvX==-1)?m_horizAdvX:horizAdvX)); | |
} | |
void QSvgFont::draw(QPainter *p, const QPointF &point, const QString &str, qreal pixelSize, Qt::Alignment alignment) const | |
{ | |
p->save(); | |
p->translate(point); | |
p->scale(pixelSize / m_unitsPerEm, -pixelSize / m_unitsPerEm); | |
// Calculate the text width to be used for alignment | |
int textWidth = 0; | |
QString::const_iterator itr = str.constBegin(); | |
for ( ; itr != str.constEnd(); ++itr) { | |
QChar unicode = *itr; | |
if (!m_glyphs.contains(*itr)) { | |
unicode = 0; | |
if (!m_glyphs.contains(unicode)) | |
continue; | |
} | |
textWidth += static_cast<int>(m_glyphs[unicode].m_horizAdvX); | |
} | |
QPoint alignmentOffset(0, 0); | |
if (alignment == Qt::AlignHCenter) { | |
alignmentOffset.setX(-textWidth / 2); | |
} else if (alignment == Qt::AlignRight) { | |
alignmentOffset.setX(-textWidth); | |
} | |
p->translate(alignmentOffset); | |
// since in SVG the embedded font ain't really a path | |
// the outline has got to stay untransformed... | |
qreal penWidth = p->pen().widthF(); | |
penWidth /= (pixelSize/m_unitsPerEm); | |
QPen pen = p->pen(); | |
pen.setWidthF(penWidth); | |
p->setPen(pen); | |
itr = str.constBegin(); | |
for ( ; itr != str.constEnd(); ++itr) { | |
QChar unicode = *itr; | |
if (!m_glyphs.contains(*itr)) { | |
unicode = 0; | |
if (!m_glyphs.contains(unicode)) | |
continue; | |
} | |
p->drawPath(m_glyphs[unicode].m_path); | |
p->translate(m_glyphs[unicode].m_horizAdvX, 0); | |
} | |
p->restore(); | |
} | |
void QSvgFont::setFamilyName(const QString &name) | |
{ | |
m_familyName = name; | |
} | |
void QSvgFont::setUnitsPerEm(qreal upem) | |
{ | |
m_unitsPerEm = upem; | |
} | |
QT_END_NAMESPACE | |
#endif // QT_NO_SVG |