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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 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 KOFILTEREFFECTRENDERCONTEXT_H
#define KOFILTEREFFECTRENDERCONTEXT_H
#include "flake_export.h"
class QRectF;
class QPointF;
class KoViewConverter;
/// This class provides the render context for filter effects
class FLAKE_EXPORT KoFilterEffectRenderContext
{
public:
KoFilterEffectRenderContext(const KoViewConverter &converter);
~KoFilterEffectRenderContext();
/// Returns the filter region the filter is applied to
QRectF filterRegion() const;
/// Sets the filter region the filter is applied to
void setFilterRegion(const QRectF &filterRegion);
/// Sets the shape bounding box used to convert to user space coordinates
void setShapeBoundingBox(const QRectF &bound);
/// Converts point from bounding box coordinates to user space coordinates
QPointF toUserSpace(const QPointF &value) const;
/// Converts x-coordinate from bounding box coordinates to user space coordinates
qreal toUserSpaceX(qreal value) const;
/// Converts y-coordinate from bounding box coordinates to user space coordinates
qreal toUserSpaceY(qreal value) const;
/// Returns the view converter
const KoViewConverter *viewConverter() const;
private:
class Private;
Private * const d;
};
#endif // KOFILTEREFFECTRENDERCONTEXT_H
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