Examples of com.emitrom.lienzo.client.core.types.Point2D

Package com.emitrom.lienzo.client.core.types

Examples of com.emitrom.lienzo.client.core.types.Point2D

com.emitrom.lienzo.client.core.types.Point2D
Point2D can be used to represent a point or vector in 2D.
Some of the methods related to linear algebra come in two flavors, e.g. plus() and plusInSitu(). The first one does not modify the object that it is invoked on, but the second one does. The second one is a little faster as it does not need to create a new object. Think of them as the "+" and the "+=" operators respectively.

        }
        Transform t = getTransform();


        if (null != t)
        {
            Point2D a = new Point2D(x, y);


            Point2D b = new Point2D(x + width, y + height);


            Transform inv = t.getInverse();


            inv.transform(a, a);


            inv.transform(b, b);


            x = a.getX();


            y = a.getY();


            width = b.getX() - x;


            height = b.getY() - y;
        }
        viewLocalArea(x, y, width, height);
    }

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     * 
     * @return Point2D
     */
    public Point2D getLocation()
    {
        return new Point2D(getX(), getY());
    }

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        m_globalToLocal = m_localToGlobal.getInverse();


        // Convert one point from global to local coordinates
        // We need it when calculating (dx,dy) in local coordinates
        
        m_globalToLocal.transform(new Point2D(0, 0), m_p1);


        // Initialize the DragConstraintsEnforcer
        
        m_dragConstraints = node.getDragConstraints();

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        m_dx = m_eventX - m_dragStartX;
        
        m_dy = m_eventY - m_dragStartY;


        Point2D p2 = new Point2D(0, 0);
        
        m_globalToLocal.transform(new Point2D(m_dx, m_dy), p2);


        m_localAdjusted.setX(p2.getX() - m_p1.getX());
        
        m_localAdjusted.setY(p2.getY() - m_p1.getY());


        // Let the constraints adjust the location if necessary
        
        if (m_dragConstraints != null) m_dragConstraints.adjust(m_localAdjusted);
    }

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        }
        if ((m_maxScale > 0) && (newScale > m_maxScale))
        {
            scaleDelta = m_maxScale / currentScale;
        }
        Point2D p = new Point2D(event.getX(), event.getY());


        transform.getInverse().transform(p, p);


        transform = transform.copy();


        transform.scaleAboutPoint(scaleDelta, p.getX(), p.getY());


        setTransform(transform);


        redraw();
    }

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    }


    @Override
    public PathPartArray M(double x, double y)
    {
        return M(new Point2D(x, y));
    }

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        {
            final int leng = points.size();


            for (int i = 0; i < leng; i++)
            {
                Point2D point = points.get(i);


                if (null != point)
                {
                    list.push(point);
                }

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        {
            final int leng = points.length;


            for (int i = 0; i < leng; i++)
            {
                Point2D point = points[i];


                if (null != point)
                {
                    list.push(point);
                }

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        {
            final int leng = points.getLength();


            for (int i = 0; i < leng; i++)
            {
                Point2D point = points.getPoint(i);


                if (null != point)
                {
                    list.push(point);
                }

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    }


    @Override
    public PathPartArray q(double cx, double cy, double ex, double ey)
    {
        return q(new Point2D(cx, cy), new Point2D(ex, ey));
    }

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