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/* This file is part of the KDE project
* Copyright (C) 2009 Jan Hambrecht <jaham@gmx.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef SVGPATTERNHELPER_H
#define SVGPATTERNHELPER_H
#include <KoXmlReader.h>
#include <QImage>
#include <QTransform>
class KoShape;
class SvgPatternHelper
{
public:
enum Units { UserSpaceOnUse, ObjectBoundingBox };
SvgPatternHelper();
~SvgPatternHelper();
/// Set pattern units type (affects pattern x, y, width and height)
void setPatternUnits(Units units);
/// Return pattern units type
Units patternUnits() const;
/// Set pattern content units type (affects coordinates/length of pattern child shapes)
void setPatternContentUnits(Units units);
/// Returns pattern content units type
Units patternContentUnits() const;
/// Sets the pattern transformation found in attribute "patternTransform"
void setTransform(const QTransform &transform);
/// Returns the pattern transform
QTransform transform() const;
/// Sets pattern tile position
void setPosition(const QPointF & position);
/// Returns pattern tile position (objectBound is used when patternUnits == ObjectBoundingBox)
QPointF position(const QRectF & objectBound) const;
/// Sets pattern tile size
void setSize(const QSizeF & size);
/// Returns pattern tile size (objectBound is used when patternUnits == ObjectBoundingBox)
QSizeF size(const QRectF & objectBound) const;
/// Sets the dom element containing the pattern content
void setContent(const KoXmlElement &content);
/// Return the pattern content element
KoXmlElement content() const;
/// copies the content from the given pattern helper
void copyContent(const SvgPatternHelper &other);
/// Sets the pattern view box (the view box content is fitted into the pattern tile)
void setPatternContentViewbox(const QRectF &viewBox);
/// generates the pattern image from the given shapes and using the specified bounding box
QImage generateImage(const QRectF &objectBound, const QList<KoShape*> content);
private:
Units m_patternUnits;
Units m_patternContentUnits;
QTransform m_transform;
QPointF m_position;
QSizeF m_size;
KoXmlElement m_patternContent;
QRectF m_patternContentViewbox;
};
#endif // SVGPATTERNHELPER_H
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