/**************************************************************************** | |
** | |
** 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. | |
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** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#ifndef QGRAPHICSEFFECT_H | |
#define QGRAPHICSEFFECT_H | |
#include <QtCore/qobject.h> | |
#include <QtCore/qpoint.h> | |
#include <QtCore/qrect.h> | |
#include <QtGui/qcolor.h> | |
#include <QtGui/qbrush.h> | |
#ifndef QT_NO_GRAPHICSEFFECT | |
QT_BEGIN_HEADER | |
QT_BEGIN_NAMESPACE | |
QT_MODULE(Gui) | |
class QGraphicsItem; | |
class QStyleOption; | |
class QPainter; | |
class QPixmap; | |
class QGraphicsEffectSource; | |
class QGraphicsEffectPrivate; | |
class Q_GUI_EXPORT QGraphicsEffect : public QObject | |
{ | |
Q_OBJECT | |
Q_FLAGS(ChangeFlags) | |
Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged) | |
public: | |
enum ChangeFlag { | |
SourceAttached = 0x1, | |
SourceDetached = 0x2, | |
SourceBoundingRectChanged = 0x4, | |
SourceInvalidated = 0x8 | |
}; | |
Q_DECLARE_FLAGS(ChangeFlags, ChangeFlag) | |
enum PixmapPadMode { | |
NoPad, | |
PadToTransparentBorder, | |
PadToEffectiveBoundingRect | |
}; | |
QGraphicsEffect(QObject *parent = 0); | |
virtual ~QGraphicsEffect(); | |
virtual QRectF boundingRectFor(const QRectF &sourceRect) const; | |
QRectF boundingRect() const; | |
bool isEnabled() const; | |
public Q_SLOTS: | |
void setEnabled(bool enable); | |
void update(); | |
Q_SIGNALS: | |
void enabledChanged(bool enabled); | |
protected: | |
QGraphicsEffect(QGraphicsEffectPrivate &d, QObject *parent = 0); | |
virtual void draw(QPainter *painter) = 0; | |
virtual void sourceChanged(ChangeFlags flags); | |
void updateBoundingRect(); | |
bool sourceIsPixmap() const; | |
QRectF sourceBoundingRect(Qt::CoordinateSystem system = Qt::LogicalCoordinates) const; | |
void drawSource(QPainter *painter); | |
QPixmap sourcePixmap(Qt::CoordinateSystem system = Qt::LogicalCoordinates, | |
QPoint *offset = 0, | |
PixmapPadMode mode = PadToEffectiveBoundingRect) const; | |
private: | |
Q_DECLARE_PRIVATE(QGraphicsEffect) | |
Q_DISABLE_COPY(QGraphicsEffect) | |
friend class QGraphicsItem; | |
friend class QGraphicsItemPrivate; | |
friend class QGraphicsScenePrivate; | |
friend class QWidget; | |
friend class QWidgetPrivate; | |
public: | |
QGraphicsEffectSource *source() const; // internal | |
}; | |
Q_DECLARE_OPERATORS_FOR_FLAGS(QGraphicsEffect::ChangeFlags) | |
class QGraphicsColorizeEffectPrivate; | |
class Q_GUI_EXPORT QGraphicsColorizeEffect: public QGraphicsEffect | |
{ | |
Q_OBJECT | |
Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged) | |
Q_PROPERTY(qreal strength READ strength WRITE setStrength NOTIFY strengthChanged) | |
public: | |
QGraphicsColorizeEffect(QObject *parent = 0); | |
~QGraphicsColorizeEffect(); | |
QColor color() const; | |
qreal strength() const; | |
public Q_SLOTS: | |
void setColor(const QColor &c); | |
void setStrength(qreal strength); | |
Q_SIGNALS: | |
void colorChanged(const QColor &color); | |
void strengthChanged(qreal strength); | |
protected: | |
void draw(QPainter *painter); | |
private: | |
Q_DECLARE_PRIVATE(QGraphicsColorizeEffect) | |
Q_DISABLE_COPY(QGraphicsColorizeEffect) | |
}; | |
class QGraphicsBlurEffectPrivate; | |
class Q_GUI_EXPORT QGraphicsBlurEffect: public QGraphicsEffect | |
{ | |
Q_OBJECT | |
Q_FLAGS(BlurHint BlurHints) | |
Q_PROPERTY(qreal blurRadius READ blurRadius WRITE setBlurRadius NOTIFY blurRadiusChanged) | |
Q_PROPERTY(BlurHints blurHints READ blurHints WRITE setBlurHints NOTIFY blurHintsChanged) | |
public: | |
enum BlurHint { | |
PerformanceHint = 0x00, | |
QualityHint = 0x01, | |
AnimationHint = 0x02 | |
}; | |
Q_DECLARE_FLAGS(BlurHints, BlurHint) | |
QGraphicsBlurEffect(QObject *parent = 0); | |
~QGraphicsBlurEffect(); | |
QRectF boundingRectFor(const QRectF &rect) const; | |
qreal blurRadius() const; | |
BlurHints blurHints() const; | |
public Q_SLOTS: | |
void setBlurRadius(qreal blurRadius); | |
void setBlurHints(BlurHints hints); | |
Q_SIGNALS: | |
void blurRadiusChanged(qreal blurRadius); | |
void blurHintsChanged(BlurHints hints); | |
protected: | |
void draw(QPainter *painter); | |
private: | |
Q_DECLARE_PRIVATE(QGraphicsBlurEffect) | |
Q_DISABLE_COPY(QGraphicsBlurEffect) | |
}; | |
Q_DECLARE_OPERATORS_FOR_FLAGS(QGraphicsBlurEffect::BlurHints) | |
class QGraphicsDropShadowEffectPrivate; | |
class Q_GUI_EXPORT QGraphicsDropShadowEffect: public QGraphicsEffect | |
{ | |
Q_OBJECT | |
Q_PROPERTY(QPointF offset READ offset WRITE setOffset NOTIFY offsetChanged) | |
Q_PROPERTY(qreal xOffset READ xOffset WRITE setXOffset NOTIFY offsetChanged) | |
Q_PROPERTY(qreal yOffset READ yOffset WRITE setYOffset NOTIFY offsetChanged) | |
Q_PROPERTY(qreal blurRadius READ blurRadius WRITE setBlurRadius NOTIFY blurRadiusChanged) | |
Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged) | |
public: | |
QGraphicsDropShadowEffect(QObject *parent = 0); | |
~QGraphicsDropShadowEffect(); | |
QRectF boundingRectFor(const QRectF &rect) const; | |
QPointF offset() const; | |
inline qreal xOffset() const | |
{ return offset().x(); } | |
inline qreal yOffset() const | |
{ return offset().y(); } | |
qreal blurRadius() const; | |
QColor color() const; | |
public Q_SLOTS: | |
void setOffset(const QPointF &ofs); | |
inline void setOffset(qreal dx, qreal dy) | |
{ setOffset(QPointF(dx, dy)); } | |
inline void setOffset(qreal d) | |
{ setOffset(QPointF(d, d)); } | |
inline void setXOffset(qreal dx) | |
{ setOffset(QPointF(dx, yOffset())); } | |
inline void setYOffset(qreal dy) | |
{ setOffset(QPointF(xOffset(), dy)); } | |
void setBlurRadius(qreal blurRadius); | |
void setColor(const QColor &color); | |
Q_SIGNALS: | |
void offsetChanged(const QPointF &offset); | |
void blurRadiusChanged(qreal blurRadius); | |
void colorChanged(const QColor &color); | |
protected: | |
void draw(QPainter *painter); | |
private: | |
Q_DECLARE_PRIVATE(QGraphicsDropShadowEffect) | |
Q_DISABLE_COPY(QGraphicsDropShadowEffect) | |
}; | |
class QGraphicsOpacityEffectPrivate; | |
class Q_GUI_EXPORT QGraphicsOpacityEffect: public QGraphicsEffect | |
{ | |
Q_OBJECT | |
Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity NOTIFY opacityChanged) | |
Q_PROPERTY(QBrush opacityMask READ opacityMask WRITE setOpacityMask NOTIFY opacityMaskChanged) | |
public: | |
QGraphicsOpacityEffect(QObject *parent = 0); | |
~QGraphicsOpacityEffect(); | |
qreal opacity() const; | |
QBrush opacityMask() const; | |
public Q_SLOTS: | |
void setOpacity(qreal opacity); | |
void setOpacityMask(const QBrush &mask); | |
Q_SIGNALS: | |
void opacityChanged(qreal opacity); | |
void opacityMaskChanged(const QBrush &mask); | |
protected: | |
void draw(QPainter *painter); | |
private: | |
Q_DECLARE_PRIVATE(QGraphicsOpacityEffect) | |
Q_DISABLE_COPY(QGraphicsOpacityEffect) | |
}; | |
QT_END_NAMESPACE | |
QT_END_HEADER | |
#endif //QT_NO_GRAPHICSEFFECT | |
#endif // QGRAPHICSEFFECT_H | |