diff -r 000000000000 -r 1918ee327afb src/svg/qsvgfont.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/svg/qsvgfont.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,142 @@ +/**************************************************************************** +** +** Copyright (C) 2009 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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(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