/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtGui module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** 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. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#ifndef QPIXMAPFILTER_H | |
#define QPIXMAPFILTER_H | |
// | |
// W A R N I N G | |
// ------------- | |
// | |
// This file is not part of the Qt API. It exists purely as an | |
// implementation detail. This header file may change from version to | |
// version without notice, or even be removed. | |
// | |
// We mean it. | |
// | |
#include <QtCore/qnamespace.h> | |
#include <QtGui/qpixmap.h> | |
#include <QtGui/qgraphicseffect.h> | |
#ifndef QT_NO_GRAPHICSEFFECT | |
QT_BEGIN_HEADER | |
QT_BEGIN_NAMESPACE | |
QT_MODULE(Gui) | |
class QPainter; | |
class QPixmapData; | |
class QPixmapFilterPrivate; | |
class Q_GUI_EXPORT QPixmapFilter : public QObject | |
{ | |
Q_OBJECT | |
Q_DECLARE_PRIVATE(QPixmapFilter) | |
public: | |
virtual ~QPixmapFilter() = 0; | |
enum FilterType { | |
ConvolutionFilter, | |
ColorizeFilter, | |
DropShadowFilter, | |
BlurFilter, | |
UserFilter = 1024 | |
}; | |
FilterType type() const; | |
virtual QRectF boundingRectFor(const QRectF &rect) const; | |
virtual void draw(QPainter *painter, const QPointF &p, const QPixmap &src, const QRectF &srcRect = QRectF()) const = 0; | |
protected: | |
QPixmapFilter(QPixmapFilterPrivate &d, FilterType type, QObject *parent); | |
QPixmapFilter(FilterType type, QObject *parent); | |
}; | |
class QPixmapConvolutionFilterPrivate; | |
class Q_GUI_EXPORT QPixmapConvolutionFilter : public QPixmapFilter | |
{ | |
Q_OBJECT | |
Q_DECLARE_PRIVATE(QPixmapConvolutionFilter) | |
public: | |
QPixmapConvolutionFilter(QObject *parent = 0); | |
~QPixmapConvolutionFilter(); | |
void setConvolutionKernel(const qreal *matrix, int rows, int columns); | |
QRectF boundingRectFor(const QRectF &rect) const; | |
void draw(QPainter *painter, const QPointF &dest, const QPixmap &src, const QRectF &srcRect = QRectF()) const; | |
private: | |
friend class QGLPixmapConvolutionFilter; | |
friend class QVGPixmapConvolutionFilter; | |
const qreal *convolutionKernel() const; | |
int rows() const; | |
int columns() const; | |
}; | |
class QPixmapBlurFilterPrivate; | |
class Q_GUI_EXPORT QPixmapBlurFilter : public QPixmapFilter | |
{ | |
Q_OBJECT | |
Q_DECLARE_PRIVATE(QPixmapBlurFilter) | |
public: | |
QPixmapBlurFilter(QObject *parent = 0); | |
~QPixmapBlurFilter(); | |
void setRadius(qreal radius); | |
void setBlurHints(QGraphicsBlurEffect::BlurHints hints); | |
qreal radius() const; | |
QGraphicsBlurEffect::BlurHints blurHints() const; | |
QRectF boundingRectFor(const QRectF &rect) const; | |
void draw(QPainter *painter, const QPointF &dest, const QPixmap &src, const QRectF &srcRect = QRectF()) const; | |
private: | |
friend class QGLPixmapBlurFilter; | |
}; | |
class QPixmapColorizeFilterPrivate; | |
class Q_GUI_EXPORT QPixmapColorizeFilter : public QPixmapFilter | |
{ | |
Q_OBJECT | |
Q_DECLARE_PRIVATE(QPixmapColorizeFilter) | |
public: | |
QPixmapColorizeFilter(QObject *parent = 0); | |
void setColor(const QColor& color); | |
QColor color() const; | |
void setStrength(qreal strength); | |
qreal strength() const; | |
void draw(QPainter *painter, const QPointF &dest, const QPixmap &src, const QRectF &srcRect = QRectF()) const; | |
}; | |
class QPixmapDropShadowFilterPrivate; | |
class Q_GUI_EXPORT QPixmapDropShadowFilter : public QPixmapFilter | |
{ | |
Q_OBJECT | |
Q_DECLARE_PRIVATE(QPixmapDropShadowFilter) | |
public: | |
QPixmapDropShadowFilter(QObject *parent = 0); | |
~QPixmapDropShadowFilter(); | |
QRectF boundingRectFor(const QRectF &rect) const; | |
void draw(QPainter *p, const QPointF &pos, const QPixmap &px, const QRectF &src = QRectF()) const; | |
qreal blurRadius() const; | |
void setBlurRadius(qreal radius); | |
QColor color() const; | |
void setColor(const QColor &color); | |
QPointF offset() const; | |
void setOffset(const QPointF &offset); | |
inline void setOffset(qreal dx, qreal dy) { setOffset(QPointF(dx, dy)); } | |
}; | |
QT_END_NAMESPACE | |
QT_END_HEADER | |
#endif //QT_NO_GRAPHICSEFFECT | |
#endif // QPIXMAPFILTER_H |