File indexing completed on 2024-06-23 04:25:56
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 _CURVILINEARPERSPECTIVE_ASSISTANT_H_ 0011 #define _CURVILINEARPERSPECTIVE_ASSISTANT_H_ 0012 0013 #include "kis_painting_assistant.h" 0014 #include <QObject> 0015 #include <QPolygonF> 0016 #include <QLineF> 0017 #include <QTransform> 0018 //class CurvilinearPerspective; 0019 0020 class CurvilinearPerspectiveAssistant : public KisPaintingAssistant 0021 { 0022 public: 0023 CurvilinearPerspectiveAssistant(); 0024 KisPaintingAssistantSP clone(QMap<KisPaintingAssistantHandleSP, KisPaintingAssistantHandleSP> &handleMap) const override; 0025 0026 QPointF adjustPosition(const QPointF& point, const QPointF& strokeBegin, const bool snapToAny, qreal moveThresholdPt) override; 0027 void adjustLine(QPointF &point, QPointF& strokeBegin) override; 0028 0029 QPointF getDefaultEditorPosition() const override; 0030 int numHandles() const override { return 2; } 0031 0032 bool isAssistantComplete() const override; 0033 0034 protected: 0035 void drawAssistant(QPainter& gc, const QRectF& updateRect, const KisCoordinatesConverter* converter, bool cached = true,KisCanvas2* canvas=0, bool assistantVisible=true, bool previewVisible=true) override; 0036 void drawCache(QPainter& gc, const KisCoordinatesConverter *converter, bool assistantVisible=true) override; 0037 private: 0038 QLineF identifyCircle(const QPointF thirdPoint); 0039 explicit CurvilinearPerspectiveAssistant(const CurvilinearPerspectiveAssistant &rhs, QMap<KisPaintingAssistantHandleSP, KisPaintingAssistantHandleSP> &handleMap); 0040 }; 0041 0042 class CurvilinearPerspectiveAssistantFactory : public KisPaintingAssistantFactory 0043 { 0044 public: 0045 CurvilinearPerspectiveAssistantFactory(); 0046 ~CurvilinearPerspectiveAssistantFactory() override; 0047 QString id() const override; 0048 QString name() const override; 0049 KisPaintingAssistant* createPaintingAssistant() const override; 0050 }; 0051 0052 #endif