File indexing completed on 2024-12-22 04:13:01 

0001 /* This file is part of the KDE project
0002  * SPDX-FileCopyrightText: 2009 Boudewijn Rempt <boud@valdyas.org>
0003  *
0004  * SPDX-License-Identifier: LGPL-2.0-or-later
0005  */
0006 
0007 #ifndef KIS_TOOL_RECTANGLE_BASE_H
0008 #define KIS_TOOL_RECTANGLE_BASE_H
0009 
0010 #include <kis_tool_shape.h>
0011 #include <kis_cursor.h>
0012 
0013 class KRITAUI_EXPORT KisToolRectangleBase : public KisToolShape
0014 {
0015 Q_OBJECT
0016 
0017 Q_SIGNALS:
0018     void rectangleChanged(const QRectF &newRect);
0019     void sigRequestReloadConfig();
0020 
0021 public Q_SLOTS:
0022     void constraintsChanged(bool forceRatio, bool forceWidth, bool forceHeight, float ratio, float width, float height);
0023     void roundCornersChanged(int rx, int ry);
0024 
0025     void requestStrokeEnd() override;
0026     void requestStrokeCancellation() override;
0027 
0028 public:
0029     enum ToolType {
0030         PAINT,
0031         SELECT
0032     };
0033 
0034     explicit KisToolRectangleBase(KoCanvasBase * canvas, KisToolRectangleBase::ToolType type, const QCursor & cursor=KisCursor::load("tool_rectangle_cursor.png", 6, 6));
0035 
0036     void keyPressEvent(QKeyEvent *event) override;
0037     void keyReleaseEvent(QKeyEvent *event) override;
0038     void beginPrimaryAction(KoPointerEvent *event) override;
0039     void continuePrimaryAction(KoPointerEvent *event) override;
0040     void endPrimaryAction(KoPointerEvent *event) override;
0041 
0042     void paint(QPainter& gc, const KoViewConverter &converter) override;
0043     void activate(const QSet<KoShape*> &shapes) override;
0044     void deactivate() override;
0045 
0046     QList<QPointer<QWidget> > createOptionWidgets() override;
0047     void showSize();
0048 
0049 protected:
0050     virtual void finishRect(const QRectF &rect, qreal roundCornersX, qreal roundCornersY) = 0;
0051 
0052     QPointF m_dragCenter;
0053     QPointF m_dragStart;
0054     QPointF m_dragEnd;
0055     ToolType m_type;
0056 
0057     bool m_isRatioForced;
0058     bool m_isWidthForced;
0059     bool m_isHeightForced;
0060     bool m_rotateActive;
0061     float m_forcedRatio;
0062     float m_forcedWidth;
0063     float m_forcedHeight;
0064     int m_roundCornersX;
0065     int m_roundCornersY;
0066     qreal m_referenceAngle;
0067     qreal m_angle;
0068     qreal m_angleBuffer;
0069     Qt::KeyboardModifiers m_currentModifiers;
0070 
0071     bool isFixedSize();
0072     qreal getRotationAngle();
0073     QPainterPath drawX(const QPointF &pt);
0074     void applyConstraints(QSizeF& area, bool overrideRatio);
0075     void getRotatedPath(QPainterPath &path, const QPointF &center, const qreal &angle);
0076 
0077     void updateArea();
0078     virtual void paintRectangle(QPainter &gc, const QRectF &imageRect);
0079     virtual QRectF createRect(const QPointF &start, const QPointF &end);
0080     virtual bool showRoundCornersGUI() const;
0081 
0082     void endStroke();
0083     void cancelStroke();
0084 };
0085 
0086 #endif // KIS_TOOL_RECTANGLE_BASE_H