summaryrefslogtreecommitdiffstats
path: root/src/widgets/effects/qgraphicseffect_p.h
diff options
context:
space:
mode:
authorLars Knoll <lars.knoll@nokia.com>2011-05-07 00:02:01 +0200
committerLars Knoll <lars.knoll@nokia.com>2011-05-07 00:02:01 +0200
commitf67b8df3ebdba2d398b9cce686b7c644adffff08 (patch)
tree062dd469f7cf8daa01a32d3e7b767b8fbdb7573a /src/widgets/effects/qgraphicseffect_p.h
parent32ce4fe9e6a94e77828e976776cf08da85254ff2 (diff)
library split
Diffstat (limited to 'src/widgets/effects/qgraphicseffect_p.h')
-rw-r--r--src/widgets/effects/qgraphicseffect_p.h231
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
+