diff options
author | Lars Knoll <lars.knoll@nokia.com> | 2011-05-07 00:02:01 +0200 |
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committer | Lars Knoll <lars.knoll@nokia.com> | 2011-05-07 00:02:01 +0200 |
commit | f67b8df3ebdba2d398b9cce686b7c644adffff08 (patch) | |
tree | 062dd469f7cf8daa01a32d3e7b767b8fbdb7573a /src/widgets/effects/qgraphicseffect_p.h | |
parent | 32ce4fe9e6a94e77828e976776cf08da85254ff2 (diff) |
library split
Diffstat (limited to 'src/widgets/effects/qgraphicseffect_p.h')
-rw-r--r-- | src/widgets/effects/qgraphicseffect_p.h | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/src/widgets/effects/qgraphicseffect_p.h b/src/widgets/effects/qgraphicseffect_p.h new file mode 100644 index 0000000000..cd1ae38ff8 --- /dev/null +++ b/src/widgets/effects/qgraphicseffect_p.h @@ -0,0 +1,231 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 <QPixmapCache> + +#include <private/qobject_p.h> +#include <private/qpixmapfilter_p.h> + +#ifndef QT_NO_GRAPHICSEFFECT +QT_BEGIN_NAMESPACE + +class QGraphicsEffectSourcePrivate; +class Q_GUI_EXPORT QGraphicsEffectSource : public QObject +{ + Q_OBJECT +public: + ~QGraphicsEffectSource(); + const QGraphicsItem *graphicsItem() const; + const QWidget *widget() const; + const QStyleOption *styleOption() const; + + bool isPixmap() const; + void draw(QPainter *painter); + void update(); + + QRectF boundingRect(Qt::CoordinateSystem coordinateSystem = Qt::LogicalCoordinates) const; + QRect deviceRect() const; + QPixmap pixmap(Qt::CoordinateSystem system = Qt::LogicalCoordinates, + QPoint *offset = 0, + QGraphicsEffect::PixmapPadMode mode = QGraphicsEffect::PadToEffectiveBoundingRect) const; + +protected: + QGraphicsEffectSource(QGraphicsEffectSourcePrivate &dd, QObject *parent = 0); + +private: + Q_DECLARE_PRIVATE(QGraphicsEffectSource) + Q_DISABLE_COPY(QGraphicsEffectSource) + friend class QGraphicsEffect; + friend class QGraphicsEffectPrivate; + friend class QGraphicsScenePrivate; + friend class QGraphicsItem; + friend class QGraphicsItemPrivate; + friend class QWidget; + friend class QWidgetPrivate; +}; + +class QGraphicsEffectSourcePrivate : public QObjectPrivate +{ + Q_DECLARE_PUBLIC(QGraphicsEffectSource) +public: + QGraphicsEffectSourcePrivate() + : QObjectPrivate() + , m_cachedSystem(Qt::DeviceCoordinates) + , m_cachedMode(QGraphicsEffect::PadToTransparentBorder) + {} + + enum InvalidateReason + { + TransformChanged, + EffectRectChanged, + SourceChanged + }; + + 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, + QGraphicsEffect::PixmapPadMode mode = QGraphicsEffect::PadToTransparentBorder) const = 0; + virtual void effectBoundingRectChanged() = 0; + + void setCachedOffset(const QPoint &offset); + void invalidateCache(InvalidateReason reason = SourceChanged) const; + Qt::CoordinateSystem currentCachedSystem() const { return m_cachedSystem; } + QGraphicsEffect::PixmapPadMode currentCachedMode() const { return m_cachedMode; } + + friend class QGraphicsScenePrivate; + friend class QGraphicsItem; + friend class QGraphicsItemPrivate; + +private: + mutable Qt::CoordinateSystem m_cachedSystem; + mutable QGraphicsEffect::PixmapPadMode m_cachedMode; + mutable QPoint m_cachedOffset; + mutable QPixmapCache::Key m_cacheKey; +}; + +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()->invalidateCache(); + 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 QGraphicsColorizeEffectPrivate : public QGraphicsEffectPrivate +{ + Q_DECLARE_PUBLIC(QGraphicsColorizeEffect) +public: + QGraphicsColorizeEffectPrivate() + : opaque(true) + { + filter = new QPixmapColorizeFilter; + } + ~QGraphicsColorizeEffectPrivate() { delete filter; } + + QPixmapColorizeFilter *filter; + quint32 opaque : 1; + quint32 padding : 31; +}; + +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 //QT_NO_GRAPHICSEFFECT +#endif // QGRAPHICSEFFECT_P_H + |