/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtGui module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** 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. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QGRAPHICSEFFECT_P_H #define QGRAPHICSEFFECT_P_H // // W A R N I N G // ------------- // // This file is not part of the Qt API. It exists for the convenience // of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp. This header // file may change from version to version without notice, or even be removed. // // We mean it. // #include "qgraphicseffect.h" #include #include QT_BEGIN_NAMESPACE class QGraphicsEffectSourcePrivate : public QObjectPrivate { Q_DECLARE_PUBLIC(QGraphicsEffectSource) public: QGraphicsEffectSourcePrivate() : QObjectPrivate() {} virtual ~QGraphicsEffectSourcePrivate() {} virtual void detach() = 0; virtual QRectF boundingRect(Qt::CoordinateSystem system) const = 0; virtual QRect deviceRect() const = 0; virtual const QGraphicsItem *graphicsItem() const = 0; virtual const QWidget *widget() const = 0; virtual const QStyleOption *styleOption() const = 0; virtual void draw(QPainter *p) = 0; virtual void update() = 0; virtual bool isPixmap() const = 0; virtual QPixmap pixmap(Qt::CoordinateSystem system, QPoint *offset = 0) const = 0; virtual void effectBoundingRectChanged() = 0; friend class QGraphicsScenePrivate; friend class QGraphicsItem; friend class QGraphicsItemPrivate; }; class Q_GUI_EXPORT QGraphicsEffectPrivate : public QObjectPrivate { Q_DECLARE_PUBLIC(QGraphicsEffect) public: QGraphicsEffectPrivate() : source(0), isEnabled(1) {} inline void setGraphicsEffectSource(QGraphicsEffectSource *newSource) { QGraphicsEffect::ChangeFlags flags; if (source) { flags |= QGraphicsEffect::SourceDetached; source->d_func()->detach(); delete source; } source = newSource; if (newSource) flags |= QGraphicsEffect::SourceAttached; q_func()->sourceChanged(flags); } QGraphicsEffectSource *source; QRectF boundingRect; quint32 isEnabled : 1; quint32 padding : 31; // feel free to use }; class QGraphicsGrayscaleEffectPrivate : public QGraphicsEffectPrivate { Q_DECLARE_PUBLIC(QGraphicsGrayscaleEffect) public: QGraphicsGrayscaleEffectPrivate() { filter = new QPixmapColorizeFilter; filter->setColor(Qt::black); } ~QGraphicsGrayscaleEffectPrivate() { delete filter; } QPixmapColorizeFilter *filter; }; class QGraphicsColorizeEffectPrivate : public QGraphicsEffectPrivate { Q_DECLARE_PUBLIC(QGraphicsColorizeEffect) public: QGraphicsColorizeEffectPrivate() { filter = new QPixmapColorizeFilter; } ~QGraphicsColorizeEffectPrivate() { delete filter; } QPixmapColorizeFilter *filter; }; class QGraphicsPixelizeEffectPrivate : public QGraphicsEffectPrivate { Q_DECLARE_PUBLIC(QGraphicsPixelizeEffect) public: QGraphicsPixelizeEffectPrivate() : pixelSize(3) {} int pixelSize; }; class QGraphicsBlurEffectPrivate : public QGraphicsEffectPrivate { Q_DECLARE_PUBLIC(QGraphicsBlurEffect) public: QGraphicsBlurEffectPrivate() : filter(new QPixmapBlurFilter) {} ~QGraphicsBlurEffectPrivate() { delete filter; } QPixmapBlurFilter *filter; }; class QGraphicsDropShadowEffectPrivate : public QGraphicsEffectPrivate { Q_DECLARE_PUBLIC(QGraphicsDropShadowEffect) public: QGraphicsDropShadowEffectPrivate() : filter(new QPixmapDropShadowFilter) {} ~QGraphicsDropShadowEffectPrivate() { delete filter; } QPixmapDropShadowFilter *filter; }; class QGraphicsOpacityEffectPrivate : public QGraphicsEffectPrivate { Q_DECLARE_PUBLIC(QGraphicsOpacityEffect) public: QGraphicsOpacityEffectPrivate() : opacity(qreal(0.7)), isFullyTransparent(0), isFullyOpaque(0), hasOpacityMask(0) {} ~QGraphicsOpacityEffectPrivate() {} qreal opacity; QBrush opacityMask; uint isFullyTransparent : 1; uint isFullyOpaque : 1; uint hasOpacityMask : 1; }; QT_END_NAMESPACE #endif // QGRAPHICSEFFECT_P_H