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/* This file is part of the KDE project
* Copyright (c) 2010 Jan Hambrecht <jaham@gmx.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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 Lesser 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 KOFILTEREFFECTLOADINGCONTEXT_H
#define KOFILTEREFFECTLOADINGCONTEXT_H
#include "flake_export.h"
class QRectF;
class QString;
class QPointF;
/// This class provides a loading context for filter effects
class FLAKE_EXPORT KoFilterEffectLoadingContext
{
public:
/**
* Constructs a new filter effect loading context
* @param basePath the xml document base path
*/
KoFilterEffectLoadingContext(const QString &basePath);
/// Destructor
virtual ~KoFilterEffectLoadingContext();
/**
* Sets the bounding box of the shape a filter is loaded for.
* The shapes bounding box is used to convert from user space
* coordinates to bounding box coordinates for filter attributes.
* @param shapeBound the shapes bounding box
*/
void setShapeBoundingBox(const QRectF &shapeBound);
/// Enables conversion of filter units
void enableFilterUnitsConversion(bool enable);
/// Enables conversion of filter primitive units
void enableFilterPrimitiveUnitsConversion(bool enable);
/// Converts a point value from user space to bounding box coordinates
QPointF convertFilterUnits(const QPointF &value) const;
/// Converts an x value from user space to bounding box coordinates
qreal convertFilterUnitsX(qreal value) const;
/// Converts an y value from user space to bounding box coordinates
qreal convertFilterUnitsY(qreal value) const;
QPointF convertFilterPrimitiveUnits(const QPointF &value) const;
/// Converts an x value from user space to bounding box coordinates
qreal convertFilterPrimitiveUnitsX(qreal value) const;
/// Converts an y value from user space to bounding box coordinates
qreal convertFilterPrimitiveUnitsY(qreal value) const;
/// Converts a href to an absolute path name
QString pathFromHref(const QString &href) const;
private:
class Private;
Private * const d;
};
#endif // KOFILTEREFFECTLOADINGCONTEXT_H
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