File indexing completed on 2024-06-16 04:15:49 

0001 /*
0002  * SPDX-FileCopyrightText: 2008 Cyrille Berger <cberger@cberger.net>
0003  * SPDX-FileCopyrightText: 2010 Geoffry Song <goffrie@gmail.com>
0004  * SPDX-FileCopyrightText: 2017 Scott Petrovic <scottpetrovic@gmail.com>
0005  *
0006  *  SPDX-License-Identifier: LGPL-2.0-or-later
0007  */
0008 
0009 #ifndef _ELLIPSE_ASSISTANT_H_
0010 #define _ELLIPSE_ASSISTANT_H_
0011 
0012 #include "kis_painting_assistant.h"
0013 #include "Ellipse.h"
0014 #include <QObject>
0015 
0016 class EllipseAssistant : public KisPaintingAssistant
0017 {
0018 public:
0019     EllipseAssistant();
0020     KisPaintingAssistantSP clone(QMap<KisPaintingAssistantHandleSP, KisPaintingAssistantHandleSP> &handleMap) const override;
0021     QPointF adjustPosition(const QPointF& point, const QPointF& strokeBegin, const bool snapToAny, qreal moveThresholdPt) override;
0022     void adjustLine(QPointF &point, QPointF& strokeBegin) override;
0023     QPointF getDefaultEditorPosition() const override;
0024     int numHandles() const override { return 3; }
0025     bool isAssistantComplete() const override;
0026 
0027     void transform(const QTransform &transform) override;
0028 
0029 protected:
0030     QRect boundingRect() const override;
0031     void drawAssistant(QPainter& gc, const QRectF& updateRect, const KisCoordinatesConverter* converter, bool cached, KisCanvas2* canvas, bool assistantVisible=true, bool previewVisible=true) override;
0032     void drawCache(QPainter& gc, const KisCoordinatesConverter *converter,  bool assistantVisible=true) override;
0033 private:
0034     QPointF project(const QPointF& pt) const;
0035     explicit EllipseAssistant(const EllipseAssistant &rhs, QMap<KisPaintingAssistantHandleSP, KisPaintingAssistantHandleSP> &handleMap);
0036     mutable Ellipse e;
0037 };
0038 
0039 class EllipseAssistantFactory : public KisPaintingAssistantFactory
0040 {
0041 public:
0042     EllipseAssistantFactory();
0043     ~EllipseAssistantFactory() override;
0044     QString id() const override;
0045     QString name() const override;
0046     KisPaintingAssistant* createPaintingAssistant() const override;
0047 };
0048 
0049 #endif