CCanvasItem.h

// SPDX-License-Identifier: LGPL-2.1-or-later OR GPL-2.0-or-later OR GPL-3.0-or-later OR LicenseRef-ImtCore-Commercial
#pragma once
 
 
// Qt includes
#include <QtCore/QObject>
#include <QtCore/QByteArray>
#include <QtQuick/QQuickPaintedItem>
#include <QtGui/QImage>
#include <QtGui/QPixmap>
#include <QtGui/QPainter>
#include <QtGui/QPainterPath>
#include <QtGui/QFont>
#include <QtGui/QFontMetrics>
 
#include <istd/TDelPtr.h>
 
 
namespace imtqml
{
 
 
class CCanvasItem : public QQuickPaintedItem
{
       Q_OBJECT
 
       Q_PROPERTY(double lineWidth READ lineWidth WRITE setLineWidth NOTIFY lineWidthChanged)
       Q_PROPERTY(QString fillStyle READ fillStyle WRITE setFillStyle NOTIFY fillStyleChanged)
       Q_PROPERTY(QString strokeStyle READ strokeStyle WRITE setStrokeStyle NOTIFY strokeStyleChanged)
       Q_PROPERTY(QString font READ font WRITE setFont NOTIFY fontChanged)
       Q_PROPERTY(QString lineCap READ lineCap WRITE setLineCap NOTIFY lineCapChanged)
       Q_PROPERTY(QString lineJoin READ lineJoin WRITE setLineJoin NOTIFY lineJoinChanged)
       Q_PROPERTY(double globalAlpha READ globalAlpha WRITE setGlobalAlpha NOTIFY globalAlphaChanged)
 
public:
       CCanvasItem(QQuickItem *parent = nullptr);
       Q_INVOKABLE void paint(QPainter *painter);
       Q_INVOKABLE void draw(/*QPainter *painter*/);
       Q_INVOKABLE void fillRect(double x, double y, double width, double height);
       Q_INVOKABLE void moveTo(double x, double y);
       Q_INVOKABLE void lineTo(double x, double y);
       Q_INVOKABLE void fillText(QString text,double x, double y);
       Q_INVOKABLE void text(QString text,double x, double y);
       Q_INVOKABLE void arc(double x, double y, double radius, double startAngle, double endAngle, bool anticlockwise);
       Q_INVOKABLE void setPixmapSize(double width, double height);
       Q_INVOKABLE QSize measureText(QString string);
       Q_INVOKABLE void stroke();
       Q_INVOKABLE void fill();
       Q_INVOKABLE void beginPath();
       Q_INVOKABLE void closePath();
       Q_INVOKABLE void save();
       Q_INVOKABLE void restore();
       Q_INVOKABLE void clip();
       Q_INVOKABLE void requestPaint();
;
 
       double lineWidth() const;
       void setLineWidth(double newLineWidth);
 
       QString fillStyle() const;
       void setFillStyle(const QString &newFillStyle);
 
       QString strokeStyle() const;
       void setStrokeStyle(const QString &newStrokeStyle);
 
       QString font() const;
       void setFont(const QString &newFont);
 
       QString lineCap() const;
       void setLineCap(const QString &newLineCap);
 
       QString lineJoin() const;
       void setLineJoin(const QString &newLineJoin);
 
       double globalAlpha() const;
       void setGlobalAlpha(double newGlobalAlpha);
 
Q_SIGNALS:
       void paintRequired();
 
       void lineWidthChanged();
 
       void fillStyleChanged();
 
       void strokeStyleChanged();
 
       void fontChanged();
 
       void lineCapChanged();
 
       void lineJoinChanged();
 
       void globalAlphaChanged();
 
public slots:
       void onWidthChanged();
       void onHeightChanged();
 
private:
       QImage m_image;
       QPixmap m_pixmap;
       double m_lineWidth;
       QPointF m_startPoint;
       QString m_fillStyle;
       QPainterPath m_painterPath;
       QString m_strokeStyle;
       QString m_font;
       QFont m_qfont;
       QString m_lineCap;
       QString m_lineJoin;
       double m_globalAlpha;
};
 
 
} // namespace imtqml
 
 
Q_DECLARE_METATYPE(imtqml::CCanvasItem*)