kis_tool_measure.h

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/*
 *
 *  SPDX-FileCopyrightText: 2007 Sven Langkamp <sven.langkamp@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef KIS_TOOL_MEASURE_H_
#define KIS_TOOL_MEASURE_H_
 
#include <QLabel>
 
#include <KoUnit.h>
 
#include "kis_tool.h"
#include "kis_global.h"
#include "kis_types.h"
#include "KoToolFactoryBase.h"
#include "flake/kis_node_shape.h"
#include <kis_icon.h>
 
#include <QVector2D>
 
class QPointF;
class QWidget;
class QVector2D;
 
class KoCanvasBase;
 
 
class KisToolMeasureOptionsWidget : public QWidget
{
    Q_OBJECT
 
public:
    KisToolMeasureOptionsWidget(QWidget* parent, KisImageWSP image);
 
public Q_SLOTS:
    void slotSetDistance(double distance);
    void slotSetAngle(double angle);
    void slotUnitChanged(int index);
    void slotResolutionChanged(double xRes, double yRes);
 
private:
    void updateDistance();
 
    QLabel* m_angleLabel {nullptr};
    double m_distance {0.0};
public:
    QLabel* m_distanceLabel {nullptr};
    double m_resolution;
    KoUnit m_unit;
};
 
class KisToolMeasure : public KisTool
{
 
    Q_OBJECT
 
public:
    KisToolMeasure(KoCanvasBase * canvas);
    ~KisToolMeasure() override;
 
    void beginPrimaryAction(KoPointerEvent *event) override;
    void continuePrimaryAction(KoPointerEvent *event) override;
    void endPrimaryAction(KoPointerEvent *event) override;
    void showDistanceAngleOnCanvas();
 
    QPointF lockedAngle(QPointF pos);
 
    void paint(QPainter& gc, const KoViewConverter &converter) override;
 
    QWidget * createOptionWidget() override;
 
Q_SIGNALS:
    void sigDistanceChanged(double distance);
    void sigAngleChanged(double angle);
 
private:
    QRectF boundingRect();
    double angle();
    double distance();
 
private:
    KisToolMeasureOptionsWidget *m_optionsWidget {nullptr};
 
    QPointF m_startPos {QPointF(0, 0)};
    QPointF m_endPos {QPointF(0, 0)}; 
    QVector2D m_baseLineVec {QPointF(1, 0)};
    bool m_chooseBaseLineVec {false};
};
 
 
class KisToolMeasureFactory : public KoToolFactoryBase
{
 
public:
 
    KisToolMeasureFactory()
            : KoToolFactoryBase("KritaShape/KisToolMeasure") {
        setSection(ToolBoxSection::View);
        setToolTip(i18n("Measure Tool"));
        setIconName(koIconNameCStr("krita_tool_measure"));
        setPriority(1);
        setActivationShapeId(KRITA_TOOL_ACTIVATION_ID);
    }
 
    ~KisToolMeasureFactory() override {}
 
    KoToolBase * createTool(KoCanvasBase *canvas) override {
        return new KisToolMeasure(canvas);
    }
 
};
 
 
 
 
#endif //KIS_TOOL_MEASURE_H_