File indexing completed on 2024-12-22 04:13:03 

0001 /*
0002  *  SPDX-FileCopyrightText: 2000 John Califf <jcaliff@compuzone.net>
0003  *  SPDX-FileCopyrightText: 2002 Patrick Julien <freak@codepimps.org>
0004  *  SPDX-FileCopyrightText: 2004 Boudewijn Rempt <boud@valdyas.org>
0005  *  SPDX-FileCopyrightText: 2015 Michael Abrahams <miabraha@gmail.com>
0006  *
0007  *  SPDX-License-Identifier: GPL-2.0-or-later
0008  */
0009 
0010 #ifndef KISTOOLOUTLINEBASE_H
0011 #define KISTOOLOUTLINEBASE_H
0012 
0013 #include <kis_tool_shape.h>
0014 #include <kis_cursor.h>
0015 
0016 class KRITAUI_EXPORT KisToolOutlineBase : public KisToolShape
0017 {
0018     Q_OBJECT
0019 
0020 public:
0021     enum ToolType {
0022         PAINT,
0023         SELECT
0024     };
0025 
0026     KisToolOutlineBase(KoCanvasBase *canvas,
0027                        ToolType type,
0028                        const QCursor & cursor=KisCursor::load("tool_outline_selection_cursor.png", 6, 6));
0029     ~KisToolOutlineBase() override;
0030 
0031     void beginPrimaryAction(KoPointerEvent *event) override;
0032     void continuePrimaryAction(KoPointerEvent *event) override;
0033     void endPrimaryAction(KoPointerEvent *event) override;
0034     void paint(QPainter& gc, const KoViewConverter &converter) override;
0035 
0036     void keyPressEvent(QKeyEvent *event) override;
0037     void keyReleaseEvent(QKeyEvent *event) override;
0038     void mouseMoveEvent(KoPointerEvent *event) override;
0039     bool eventFilter(QObject *obj, QEvent *event) override;
0040     KisPopupWidgetInterface* popupWidget() override;
0041 
0042     bool hasUserInteractionRunning() const;
0043 
0044 public Q_SLOTS:
0045     void activate(const QSet<KoShape*> &shapes) override;
0046     void deactivate() override;
0047     void requestStrokeEnd() override;
0048     void requestStrokeCancellation() override;
0049 
0050     void undoLastPoint();
0051 
0052 protected:
0053     virtual void finishOutline(const QVector<QPointF>& points) = 0;
0054 
0055 private:
0056     static constexpr int FEEDBACK_LINE_WIDTH{2};
0057 
0058     QPainterPath m_paintPath;
0059     QVector<QPointF> m_points;
0060     bool m_continuedMode;
0061     QPointF m_lastCursorPos;
0062     ToolType m_type;
0063     int m_numberOfContinuedModePoints;
0064     bool m_hasUserInteractionRunning;
0065 
0066     void updateFeedback();
0067     void updateContinuedMode();
0068     void updateCanvas();
0069     void endStroke();
0070     void cancelStroke();
0071     QRectF dragBoundingRect();
0072 };
0073 
0074 #endif