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/* This file is part of the KDE project
* Copyright (C) 2007,2009 Jan Hambrecht <jaham@gmx.net>
* Copyright (C) 2010 Thorsten Zachmann <zachmann@kde.org>
*
* 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 SVGGRADIENTHELPER_H
#define SVGGRADIENTHELPER_H
#include <QGradient>
#include <QConicalGradient>
#include <QLinearGradient>
#include <QRadialGradient>
#include <kdebug.h>
class SvgGradientHelper
{
public:
enum Units { UserSpaceOnUse, ObjectBoundingBox };
SvgGradientHelper();
~SvgGradientHelper();
/// Copy constructor
SvgGradientHelper(const SvgGradientHelper &other);
/// Sets the gradient units type
void setGradientUnits(Units units);
/// Returns gradient units type
Units gradientUnits() const;
/// Sets the gradient
void setGradient(QGradient * g);
/// Retrurns the gradient
QGradient * gradient();
/// Copies the given gradient
void copyGradient(QGradient * g);
/// Returns fill adjusted to the given bounding box
QBrush adjustedFill(const QRectF &bound);
/// Returns the gradient transformation
QTransform transform() const;
/// Sets the gradient transformation
void setTransform(const QTransform &transform);
/// Assigment operator
SvgGradientHelper & operator = (const SvgGradientHelper & rhs);
QGradient * adjustedGradient(const QRectF &bound) const;
/// Converts a gradient from LogicalMode to ObjectBoundingMode
static QGradient *convertGradient(const QGradient * originalGradient, const QSizeF &size);
private:
/// Duplicates the given gradient and applies the given transformation
static QGradient *duplicateGradient(const QGradient * g, const QTransform &transform);
QGradient * m_gradient;
Units m_gradientUnits;
QTransform m_gradientTransform;
};
#endif // SVGGRADIENTHELPER_H
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