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Diffstat (limited to 'src/declarative/canvas/qsimplecanvas.h')
| -rw-r--r-- | src/declarative/canvas/qsimplecanvas.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/src/declarative/canvas/qsimplecanvas.h b/src/declarative/canvas/qsimplecanvas.h new file mode 100644 index 0000000..3da7251 --- /dev/null +++ b/src/declarative/canvas/qsimplecanvas.h @@ -0,0 +1,187 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtDeclarative 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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 are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QSIMPLECANVAS_H +#define QSIMPLECANVAS_H + +#include <qfxglobal.h> + +#ifdef QFX_RENDER_OPENGL +#include <QtGui/qmatrix4x4.h> +#endif + +#include <QTransform> +#include <QPainter> +#include <QDebug> +#include <QWidget> +#include <QImage> +#include <QKeyEvent> + + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) +namespace QSimpleCanvasConfig +{ + enum ImageType { Opaque, Translucent }; + +#ifdef QFX_RENDER_OPENGL + typedef QMatrix4x4 Matrix; + typedef QImage Image; + + inline Matrix transformToMatrix(const QTransform &) + { + return Matrix(); // XXX + } + inline QTransform matrixToTransform(const Matrix &) + { + return QTransform(); // XXX + } + inline bool needConvert(ImageType, const Image &) + { return false; } + inline Image convert(ImageType, const Image &i) + { return i; } + inline Image create(const QSize &s) + { return QImage(s, QImage::Format_ARGB32); } + inline const Image &toImage(const QImage &i) + { return i; } + +#elif defined(QFX_RENDER_QPAINTER) + typedef QTransform Matrix; + typedef QImage Image; + + inline Matrix transformToMatrix(const QTransform &t) + { return t; } + inline QTransform matrixToTransform(const Matrix &t) + { return t; } + inline bool needConvert(ImageType type, const Image &img) { + QImage::Format f = img.format(); + return !((type == Opaque && f == QImage::Format_RGB16) || + (type == Translucent && f == QImage::Format_ARGB32_Premultiplied)); + } + inline Image convert(ImageType type, const Image &img) { + if(type == Opaque) + return img.convertToFormat(QImage::Format_RGB16); + else + return img.convertToFormat(QImage::Format_ARGB32_Premultiplied); + } + inline Image create(const QSize &s) + { return QImage(s, QImage::Format_ARGB32_Premultiplied); } + inline const Image &toImage(const QImage &i) + { return i; } +#endif +} + +class QSimpleCanvas; +class QSimpleCanvasLayer; + +class QGraphicsSceneMouseEvent; +class GLBasicShaders; +class QSimpleCanvasItem; +class QSimpleCanvasPrivate; +class Q_DECLARATIVE_EXPORT QSimpleCanvas : public QWidget +{ +Q_OBJECT +public: + typedef QSimpleCanvasConfig::Matrix Matrix; + + enum CanvasMode { GraphicsView, SimpleCanvas }; + + QSimpleCanvas(QWidget *parent = 0); + QSimpleCanvas(CanvasMode, QWidget *parent = 0); + virtual ~QSimpleCanvas(); + + CanvasMode canvasMode() const; + + QSimpleCanvasItem *root(); + + // Debugging + void dumpTiming(); + void dumpItems(); + void checkState(); + + QSimpleCanvasItem *focusItem() const; + QSimpleCanvasItem *activeFocusPanel() const; + QImage asImage() const; + +Q_SIGNALS: + void framePainted(); + +protected: + virtual bool event(QEvent *); + virtual void paintEvent(QPaintEvent *); + virtual void keyPressEvent(QKeyEvent *); + virtual void keyReleaseEvent(QKeyEvent *); + virtual void mousePressEvent(QMouseEvent *); + virtual void mouseDoubleClickEvent(QMouseEvent *); + virtual void mouseMoveEvent(QMouseEvent *); + virtual void mouseReleaseEvent(QMouseEvent *); + virtual void focusInEvent(QFocusEvent *event); + virtual void focusOutEvent(QFocusEvent *event); + virtual bool focusNextPrevChild(bool next); + virtual bool eventFilter(QObject *obj, QEvent *event); + virtual void inputMethodEvent(QInputMethodEvent *event); + virtual QVariant inputMethodQuery(Qt::InputMethodQuery query) const; + + virtual void showEvent(QShowEvent *); + virtual void resizeEvent(QResizeEvent *); +private: + + friend class QSimpleCanvasRootLayer; + friend class QSimpleCanvasPrivate; + friend class QSimpleCanvasItem; + friend class QSimpleCanvasItemPrivate; + friend class QSimpleCanvasFilter; + friend class QSimpleGraphicsItem; + + void queueUpdate(); + QSimpleCanvasPrivate *d; + void addDirty(QSimpleCanvasItem *); + void remDirty(QSimpleCanvasItem *); +}; + + +QT_END_NAMESPACE + +QT_END_HEADER +#endif |