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: 2014 Wolthera van Hövell tot Westerflier <griffinvalley@gmail.com>
0005  * SPDX-FileCopyrightText: 2017 Scott Petrovic <scottpetrovic@gmail.com>
0006  *
0007  *  SPDX-License-Identifier: LGPL-2.0-or-later
0008  */
0009 
0010 #ifndef _FISHEYEPOINT_ASSISTANT_H_
0011 #define _FISHEYEPOINT_ASSISTANT_H_
0012 
0013 #include "kis_painting_assistant.h"
0014 #include "Ellipse.h"
0015 #include <QObject>
0016 #include <QPolygonF>
0017 #include <QLineF>
0018 #include <QTransform>
0019 //class FisheyePoint;
0020 
0021 class FisheyePointAssistant : public KisPaintingAssistant
0022 {
0023 public:
0024     FisheyePointAssistant();
0025     KisPaintingAssistantSP clone(QMap<KisPaintingAssistantHandleSP, KisPaintingAssistantHandleSP> &handleMap) const override;
0026 
0027     QPointF adjustPosition(const QPointF& point, const QPointF& strokeBegin, const bool snapToAny, qreal moveThresholdPt) override;
0028     void adjustLine(QPointF &point, QPointF& strokeBegin) override;
0029 
0030     QPointF getDefaultEditorPosition() const override;
0031     int numHandles() const override { return 3; }
0032 
0033     bool isAssistantComplete() const override;
0034 
0035 protected:
0036     QRect boundingRect() const override;
0037     void drawAssistant(QPainter& gc, const QRectF& updateRect, const KisCoordinatesConverter* converter, bool  cached = true,KisCanvas2* canvas=0, bool assistantVisible=true, bool previewVisible=true) override;
0038     void drawCache(QPainter& gc, const KisCoordinatesConverter *converter,  bool assistantVisible=true) override;
0039 private:
0040     QPointF project(const QPointF& pt, const QPointF& strokeBegin);
0041     explicit FisheyePointAssistant(const FisheyePointAssistant &rhs, QMap<KisPaintingAssistantHandleSP, KisPaintingAssistantHandleSP> &handleMap);
0042     mutable Ellipse e;
0043     mutable Ellipse extraE;
0044 };
0045 
0046 class FisheyePointAssistantFactory : public KisPaintingAssistantFactory
0047 {
0048 public:
0049     FisheyePointAssistantFactory();
0050     ~FisheyePointAssistantFactory() override;
0051     QString id() const override;
0052     QString name() const override;
0053     KisPaintingAssistant* createPaintingAssistant() const override;
0054 };
0055 
0056 #endif