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-/****************************************************************************
-**
-** 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 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
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-04 13:57:11 +0000