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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef QDECLARATIVECANVAS_P_H
#define QDECLARATIVECANVAS_P_H
#include <qdeclarativeitem.h>
#include "qdeclarativecontext2d_p.h"
#include "qdeclarativecanvastimer_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class Canvas : public QDeclarativeItem
{
Q_OBJECT
Q_ENUMS(FillMode)
Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged);
Q_PROPERTY(int canvasWidth READ canvasWidth WRITE setCanvasWidth NOTIFY canvasWidthChanged);
Q_PROPERTY(int canvasHeight READ canvasHeight WRITE setCanvasHeight NOTIFY canvasHeightChanged);
Q_PROPERTY(FillMode fillMode READ fillMode WRITE setFillMode NOTIFY fillModeChanged)
public:
Canvas(QDeclarativeItem *parent = 0);
enum FillMode { Stretch, PreserveAspectFit, PreserveAspectCrop, Tile, TileVertically, TileHorizontally };
void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *);
void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
void setCanvasWidth(int newWidth);
int canvasWidth() {return m_canvasWidth;}
void setCanvasHeight(int canvasHeight);
int canvasHeight() {return m_canvasHeight;}
void componentComplete();
public Q_SLOTS:
Context2D *getContext(const QString & = QString("2d"));
void requestPaint();
FillMode fillMode() const;
void setFillMode(FillMode);
QColor color();
void setColor(const QColor &);
// Save current canvas to disk
bool save(const QString& filename) const;
// Timers
void setInterval(const QScriptValue &handler, long timeout);
void setTimeout(const QScriptValue &handler, long timeout);
void clearInterval(const QScriptValue &handler);
void clearTimeout(const QScriptValue &handler);
Q_SIGNALS:
void fillModeChanged();
void canvasWidthChanged();
void canvasHeightChanged();
void colorChanged();
void init();
void paint();
private:
// Return canvas contents as a drawable image
CanvasImage *toImage() const;
Context2D *m_context;
int m_canvasWidth;
int m_canvasHeight;
FillMode m_fillMode;
QColor m_color;
friend class Context2D;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif //QDECLARATIVECANVAS_P_H
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