/****************************************************************************+
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**+
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtSvg module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include "qsvgfont_p.h"+
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+
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#ifndef QT_NO_SVG+
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+
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#include "qpainter.h"+
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#include "qpen.h"+
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#include "qdebug.h"+
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#include "qpicture.h"+
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+
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QT_BEGIN_NAMESPACE+
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+
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QSvgGlyph::QSvgGlyph(QChar unicode, const QPainterPath &path, qreal horizAdvX)+
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    : m_unicode(unicode), m_path(path), m_horizAdvX(horizAdvX)+
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{+
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+
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}+
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+
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+
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QSvgFont::QSvgFont(qreal horizAdvX)+
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    : m_horizAdvX(horizAdvX)+
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{+
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}+
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+
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+
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QString QSvgFont::familyName() const+
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{+
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    return m_familyName;+
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}+
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+
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+
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void QSvgFont::addGlyph(QChar unicode, const QPainterPath &path, qreal horizAdvX )+
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{+
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    m_glyphs.insert(unicode, QSvgGlyph(unicode, path,+
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                                       (horizAdvX==-1)?m_horizAdvX:horizAdvX));+
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}+
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+
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+
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void QSvgFont::draw(QPainter *p, const QPointF &point, const QString &str, qreal pixelSize, Qt::Alignment alignment) const+
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{+
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    p->save();+
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    p->translate(point);+
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    p->scale(pixelSize / m_unitsPerEm, -pixelSize / m_unitsPerEm);+
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+
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    // Calculate the text width to be used for alignment+
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    int textWidth = 0;+
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    QString::const_iterator itr = str.constBegin();+
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    for ( ; itr != str.constEnd(); ++itr) {+
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        QChar unicode = *itr;+
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        if (!m_glyphs.contains(*itr)) {+
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            unicode = 0;+
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            if (!m_glyphs.contains(unicode))+
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                continue;+
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        }+
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        textWidth += static_cast<int>(m_glyphs[unicode].m_horizAdvX);+
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    }+
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+
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    QPoint alignmentOffset(0, 0);+
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    if (alignment == Qt::AlignHCenter) {+
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        alignmentOffset.setX(-textWidth / 2);+
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    } else if (alignment == Qt::AlignRight) {+
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        alignmentOffset.setX(-textWidth);+
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    }+
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+
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    p->translate(alignmentOffset);+
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+
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    // since in SVG the embedded font ain't really a path+
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    // the outline has got to stay untransformed...+
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    qreal penWidth = p->pen().widthF();+
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    penWidth /= (pixelSize/m_unitsPerEm);+
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    QPen pen = p->pen();+
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    pen.setWidthF(penWidth);+
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    p->setPen(pen);+
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+
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    itr = str.constBegin();+
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    for ( ; itr != str.constEnd(); ++itr) {+
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        QChar unicode = *itr;+
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        if (!m_glyphs.contains(*itr)) {+
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            unicode = 0;+
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            if (!m_glyphs.contains(unicode))+
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                continue;+
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        }+
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        p->drawPath(m_glyphs[unicode].m_path);+
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        p->translate(m_glyphs[unicode].m_horizAdvX, 0);+
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    }+
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+
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    p->restore();+
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}+
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+
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void QSvgFont::setFamilyName(const QString &name)+
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{+
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    m_familyName = name;+
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}+
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+
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void QSvgFont::setUnitsPerEm(qreal upem)+
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{+
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    m_unitsPerEm = upem;+
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}+
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+
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QT_END_NAMESPACE+
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+
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#endif // QT_NO_SVG+
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