RDimensionData.h

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#ifndef RDIMENSIONDATA_H
#define RDIMENSIONDATA_H

#include "RDocument.h"
#include "REntityData.h"
#include "RTextData.h"
#include "RVector.h"

class RDimensionData: public REntityData {
    friend class RDimensionEntity;

protected:
    RDimensionData(RDocument* document, const RDimensionData& data);

public:
    RDimensionData(RDocument* document = NULL);
    RDimensionData(const RVector& definitionPoint,
                   const RVector& textPositionCenter,
                   RS::VAlign valign,
                   RS::HAlign halign,
                   RS::TextLineSpacingStyle lineSpacingStyle,
                   double lineSpacingFactor,
                   const QString& text,
                   const QString& fontName,
                   double angle);

    virtual RBox getBoundingBox() const;

    virtual bool isValid() const;

    void setDefinitionPoint(const RVector& p) {
        definitionPoint = p;
        update();
    }

    RVector getDefinitionPoint() const {
        return definitionPoint;
    }

    void setText(const QString& t) {
        text = t;
        update();
    }

    QString getText() const {
        return text;
    }

    void setUpperTolerance(const QString& t) {
        upperTolerance = t;
    }

    void setLowerTolerance(const QString& t) {
        lowerTolerance = t;
    }

    void setTextPosition(const RVector& p) {
        textPositionCenter = p;
        textPositionSide = RVector::invalid;
        update();
    }

    RVector getTextPosition() const {
        if (textPositionSide.isValid()) {
            return textPositionSide;
        }
        else {
            return textPositionCenter;
        }
    }

    void setFontName(const QString& fn) {
        fontName = fn;
        update();
    }

    QString getFontName() const {
        return fontName;
    }

    virtual double getDistanceTo(const RVector& point, bool limited = true, double range = 0.0, bool draft = false) const;
    virtual bool intersectsWith(const RShape& shape) const;

    virtual QList<RVector> getReferencePoints(
        RS::ProjectionRenderingHint hint = RS::RenderTop) const;

    virtual bool moveReferencePoint(const RVector& referencePoint, 
        const RVector& targetPoint);

    virtual bool move(const RVector& offset);
    virtual bool rotate(double rotation, const RVector& center);
    virtual bool scale(const RVector& scaleFactors, const RVector& center);
    virtual bool mirror(const RLine& axis);

    double getDimexo() const;
    double getDimexe() const;
    double getDimasz() const;
    double getDimgap() const;
    double getDimtxt() const;
    bool useArchTick() const;
    bool hasCustomTextPosition() const;
    void setCustomTextPosition(bool on);

    QList<QSharedPointer<RShape> > getDimensionLineShapes(
        const RVector& p1, const RVector& p2,
        bool arrow1, bool arrow2) const;
    virtual QList<QSharedPointer<RShape> > getArrow(
        const RVector& position, double direction) const;
    RTextData& getTextData() const;
    void initTextData() const;
    virtual void updateTextData() const;
    virtual QString getMeasurement(bool resolveAutoMeasurement = true) const;
    virtual QString getAutoMeasurement() const = 0;
    QString formatLabel(double distance) const;
    QString formatAngleLabel(double angle) const;
    //virtual void updateFromTextPosition() = 0;

    virtual void update() const;

protected:
    mutable RVector definitionPoint;
    mutable RVector textPositionCenter;
    mutable RVector textPositionSide;
    RS::VAlign valign;
    RS::HAlign halign;
    RS::TextLineSpacingStyle lineSpacingStyle;
    double lineSpacingFactor;
    QString text;
    QString upperTolerance;
    QString lowerTolerance;
    QString fontName;

    mutable double defaultAngle;
    double angle;

    mutable bool dirty;
    mutable RTextData textData;
    mutable RBox boundingBox;
    mutable double dimLineLength;

    mutable bool autoTextPos;
};

Q_DECLARE_METATYPE(RDimensionData*)
Q_DECLARE_METATYPE(QSharedPointer<RDimensionData>)

#endif