diff options
Diffstat (limited to 'qtinterface/qt4/Qt/qgraphicseffect.h')
| -rw-r--r-- | qtinterface/qt4/Qt/qgraphicseffect.h | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/qtinterface/qt4/Qt/qgraphicseffect.h b/qtinterface/qt4/Qt/qgraphicseffect.h new file mode 100644 index 0000000..b52fe97 --- /dev/null +++ b/qtinterface/qt4/Qt/qgraphicseffect.h @@ -0,0 +1,289 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 + |