Example usage for java.awt.geom Point2D getY

Introduction

In this page you can find the example usage for java.awt.geom Point2D getY.

Prototype

public abstract double getY();

Source Link

Document

Returns the Y coordinate of this Point2D in double precision.

Usage

From source file:org.apache.fop.render.rtf.RTFHandler.java

/** {@inheritDoc} */
public void endInstreamForeignObject(InstreamForeignObject ifo) {
    if (bDefer) {
        return;/* w w  w .  j  a v  a  2  s.  co  m*/
    }

    try {
        XMLObj child = ifo.getChildXMLObj();
        Document doc = child.getDOMDocument();
        String ns = child.getNamespaceURI();

        ImageInfo info = new ImageInfo(null, null);
        // Set the resolution to that of the FOUserAgent
        FOUserAgent ua = ifo.getUserAgent();
        ImageSize size = new ImageSize();
        size.setResolution(ua.getSourceResolution());

        // Set the image size to the size of the svg.
        Point2D csize = new Point2D.Float(-1, -1);
        Point2D intrinsicDimensions = child.getDimension(csize);
        if (intrinsicDimensions == null) {
            ResourceEventProducer eventProducer = ResourceEventProducer.Provider
                    .get(getUserAgent().getEventBroadcaster());
            eventProducer.ifoNoIntrinsicSize(this, child.getLocator());
            return;
        }
        size.setSizeInMillipoints((int) Math.round(intrinsicDimensions.getX() * 1000),
                (int) Math.round(intrinsicDimensions.getY() * 1000));
        size.calcPixelsFromSize();
        info.setSize(size);

        ImageXMLDOM image = new ImageXMLDOM(info, doc, ns);

        FOUserAgent userAgent = ifo.getUserAgent();
        ImageManager manager = userAgent.getFactory().getImageManager();
        Map hints = ImageUtil.getDefaultHints(ua.getImageSessionContext());
        Image converted = manager.convertImage(image, FLAVORS, hints);
        putGraphic(ifo, converted);

    } catch (ImageException ie) {
        ResourceEventProducer eventProducer = ResourceEventProducer.Provider
                .get(getUserAgent().getEventBroadcaster());
        eventProducer.imageError(this, null, ie, null);
    } catch (IOException ioe) {
        ResourceEventProducer eventProducer = ResourceEventProducer.Provider
                .get(getUserAgent().getEventBroadcaster());
        eventProducer.imageIOError(this, null, ioe, null);
    }
}

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From source file:org.gumtree.vis.awt.JChartPanel.java

protected Point2D translateScreenToChart(Point2D point) {
    EntityCollection entities = getChartRenderingInfo().getEntityCollection();
    ChartEntity entity = entities.getEntity(point.getX(), point.getY());
    if (entity instanceof XYItemEntity) {
        XYDataset dataset = ((XYItemEntity) entity).getDataset();
        int item = ((XYItemEntity) entity).getItem();
        double chartX = dataset.getXValue(0, item);
        double chartY = dataset.getYValue(0, item);
        //           double chartZ = ((XYZDataset) dataset).getZValue(0, item);
        return new Point2D.Double(chartX, chartY);
    }//from w  w  w. j ava 2s  .  c o  m
    return null;
}

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From source file:com.net2plan.libraries.GraphUtils.java

/** Computes the Haversine distance between two points, that is, the shortest distance over the Earth's surface.
 * /*from  ww  w .  j a v a 2 s.  c  om*/
 * <p><b>Important</b>: It is assumed an Earth's radius equal to {@link com.net2plan.utils.Constants#EARTH_RADIUS_IN_KM Constants.EARTH_RADIUS_IN_KM }</p>
 * 
 * <p><b>Important</b>: Coordinates are assumed to be given in degress, conversions to radians are made internally.</p>
 * 
 * @param point1 Point 1 (x-coord is equal to longitude, y-coord is equal to latitude)
 * @param point2 Point 2 (x-coord is equal to longitude, y-coord is equal to latitude)
 * @return Haversine distance between two points
 * @see <a href="http://www.movable-type.co.uk/scripts/latlong.html">Calculate distance, bearing and more between Latitude/Longitude points</a> */
public static double computeHaversineDistanceInKm(Point2D point1, Point2D point2) {
    double lon1 = point1.getX();
    double lat1 = point1.getY();
    double lon2 = point2.getX();
    double lat2 = point2.getY();

    double dLat = Math.toRadians(lat2 - lat1);
    double dLon = Math.toRadians(lon2 - lon1);
    double sindLat = Math.sin(dLat / 2);
    double sindLon = Math.sin(dLon / 2);
    double a = Math.pow(sindLat, 2)
            + Math.pow(sindLon, 2) * Math.cos(Math.toRadians(lat1)) * Math.cos(Math.toRadians(lat2));
    double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
    return Constants.EARTH_RADIUS_IN_KM * c;
}

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From source file:org.gumtree.vis.plot1d.Plot1DPanel.java

private int followDomainTrace(int seriesIndex, int domainLocation) {
    if (seriesIndex >= getDataset().getSeriesCount()) {
        return -1;
    }// w  w  w  . j a va 2  s . c  om
    double xInChart = ChartMaskingUtilities.translateScreenX(domainLocation, getScreenDataArea(), getChart());
    XYDataset dataset = getChart().getXYPlot().getDataset();
    IXYErrorDataset patternDataset = (IXYErrorDataset) dataset;
    int itemIndex = patternDataset.getItemFromX(seriesIndex, xInChart);
    if (itemIndex >= 0 && itemIndex < patternDataset.getItemCount(seriesIndex)) {
        double chartX = patternDataset.getXValue(seriesIndex, itemIndex);
        double chartY = patternDataset.getYValue(seriesIndex, itemIndex);
        Point2D axisTrace = ChartMaskingUtilities.translateChartPoint(new Point2D.Double(chartX, chartY),
                getScreenDataArea(), getChart());
        setChartX(chartX);
        setChartY(chartY);
        setSeriesIndex(seriesIndex);
        setItemIndex(itemIndex);
        if (dataset instanceof IXYErrorDataset) {
            setChartError(((IXYErrorDataset) dataset).getYError(seriesIndex, itemIndex));

        }
        setHorizontalTraceLocation((int) axisTrace.getX());
        setVerticalTraceLocation((int) axisTrace.getY());
        if (getHorizontalAxisTrace() || getVerticalAxisTrace() || isToolTipFollowerEnabled()) {
            repaint();
        }
        return seriesIndex;
    }
    return -1;
}

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From source file:org.gumtree.vis.awt.JChartPanel.java

private void moveSelectedText(MouseEvent e) {
    Point2D screenPoint = translateScreenToJava2D(e.getPoint());
    Rectangle2D screenArea = getScreenDataArea();
    if (screenArea.contains(screenPoint)) {

        if (textMovePoint != null) {
            //               Point2D point = translateScreenToChart(translateScreenToJava2D(e.getPoint()));
            double screenX = ChartMaskingUtilities.translateScreenX(e.getX() / getScaleX(), getScreenDataArea(),
                    getChart());/*w  ww  .j a v a2  s . c  o  m*/
            double screenY = ChartMaskingUtilities.translateScreenY(e.getY(), getScreenDataArea(), getChart(),
                    0);
            //               Point2D point = translateScreenToChart(translateScreenToJava2D(e.getPoint()));
            Point2D point = new Point2D.Double(screenX, screenY);
            selectedTextWrapper.setRect(selectedTextWrapper.getMinX() + point.getX() - textMovePoint.getX(),
                    selectedTextWrapper.getMinY() + point.getY() - textMovePoint.getY(),
                    selectedTextWrapper.getWidth(), selectedTextWrapper.getHeight());
            if (point != null) {
                this.textMovePoint = point;
            }
            repaint();
        }
    }
}

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From source file:org.gumtree.vis.awt.JChartPanel.java

private void selectText(double xNew, double yNew) {
    for (Entry<Rectangle2D, String> item : textContentMap.entrySet()) {
        Rectangle2D rect = item.getKey();
        Point2D screenPoint = ChartMaskingUtilities.translateChartPoint(
                new Point2D.Double(rect.getMinX(), rect.getMinY()), getScreenDataArea(), getChart());
        Rectangle2D screenRect = new Rectangle2D.Double(screenPoint.getX(), screenPoint.getY() - 15,
                rect.getWidth(), rect.getHeight());
        if (screenRect.contains(xNew, yNew)) {
            if (selectedTextWrapper == rect) {
                selectedTextWrapper = null;
            } else {
                selectedTextWrapper = rect;
                setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
                return;
            }//from  w  ww .  j a  v a2s .  c o m
        }
    }
    if (selectedTextWrapper != null) {
        selectedTextWrapper = null;
    }
}

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From source file:edu.purdue.cc.bionet.ui.GraphVisualizer.java

/**
 * Scales to the given zoom level, 1.0 being 100%, centered on the 
 * given point.//from   w  ww . ja  v a 2  s  .  c o  m
 * 
 * @param level The level to zoom to.
 * @param center The center point for the scaling operation.
 * @return The new zoom level.
 */
public float scaleTo(float level, Point2D center) {
    if (this.scrollPane == null)
        return 1.0f;
    float oldZoom = this.currentZoom;
    this.currentZoom = Math.max(minimumZoom, level);
    //      this.absoluteViewScaler.scale( this, level, center );
    Dimension viewSize;
    if (level < 1.0f) {
        viewSize = this.scrollPane.getSize();
    } else {
        viewSize = this.scrollPane.getViewport().getExtentSize();
    }
    Dimension newSize = new Dimension((int) (viewSize.width * currentZoom),
            (int) (viewSize.height * currentZoom));
    this.setPreferredSize(newSize);
    this.setSize(newSize);
    //      new LayoutScaler( this.getGraphLayout( )).setSize( newSize );
    if (Float.compare(level, 1.0f) <= 0)
        this.center();

    // translate the new view position so the mouse is in the same place
    // on the scaled view.
    JViewport vp = this.scrollPane.getViewport();
    double centerX = center.getX();
    double centerY = center.getY();
    double viewPortMouseX = centerX - vp.getViewPosition().getX();
    double viewPortMouseY = centerY - vp.getViewPosition().getY();
    centerX *= currentZoom / oldZoom;
    centerY *= currentZoom / oldZoom;
    viewPortMouseX = centerX - viewPortMouseX;
    viewPortMouseY = centerY - viewPortMouseY;
    vp.setViewPosition(new Point((int) viewPortMouseX, (int) viewPortMouseY));

    return this.currentZoom;
}

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From source file:edu.pitt.dbmi.odie.ui.jfreechart.EnhancedChartComposite.java

public void mouseMove(MouseEvent event) {

    // handle axis trace
    if (this.horizontalAxisTrace || this.verticalAxisTrace) {
        this.horizontalTraceLineY = event.y;
        this.verticalTraceLineX = event.x;
        this.canvas.redraw();
    }/*from www  .j  a  v a2s.c om*/

    // handle tool tips in a simple way
    if (this.displayToolTips) {
        String s = getToolTipText(event);
        if (s == null && this.canvas.getToolTipText() != null
                || s != null && !s.equals(this.canvas.getToolTipText()))
            this.canvas.setToolTipText(s);
    }

    // new entity code
    Point2D javaPoint = translateScreenToJava2D(new Point(event.x, event.y));
    ChartEntity entity = getEntityForLocation(javaPoint.getX(), javaPoint.getY());

    // handle zoom box

    if (this.zoomPoint != null) {
        boolean hZoom, vZoom;
        Rectangle scaledDataArea = getScreenDataArea(this.zoomPoint.x, this.zoomPoint.y);
        org.eclipse.swt.graphics.Point movingPoint = getPointInRectangle(event.x, event.y, scaledDataArea);
        if (this.orientation == PlotOrientation.HORIZONTAL) {
            hZoom = this.rangeZoomable;
            vZoom = this.domainZoomable;
        } else {
            hZoom = this.domainZoomable;
            vZoom = this.rangeZoomable;
        }
        if (hZoom && vZoom) {
            // selected rectangle shouldn't extend outside the data area...
            this.zoomRectangle = new Rectangle(this.zoomPoint.x, this.zoomPoint.y,
                    movingPoint.x - this.zoomPoint.x, movingPoint.y - this.zoomPoint.y);
        } else if (hZoom) {
            this.zoomRectangle = new Rectangle(this.zoomPoint.x, scaledDataArea.y,
                    movingPoint.x - this.zoomPoint.x, scaledDataArea.height);
        } else if (vZoom) {
            int ymax = Math.max(movingPoint.y, scaledDataArea.y);
            this.zoomRectangle = new Rectangle(scaledDataArea.x, this.zoomPoint.y, scaledDataArea.width,
                    ymax - this.zoomPoint.y);
        }
        this.canvas.redraw();
    } else if (this.selectionPoint != null) {
        Rectangle scaledDataArea = getScreenDataArea(this.selectionPoint.x, this.selectionPoint.y);

        org.eclipse.swt.graphics.Point movingPoint = getPointInRectangle(event.x, event.y, scaledDataArea);

        if (this.orientation == PlotOrientation.VERTICAL) {
            Point2D selectionPointJava = translateScreenToJava2D(
                    new Point(this.selectionPoint.x, scaledDataArea.y));
            this.selectionRectangle = new Rectangle((int) selectionPointJava.getX(),
                    (int) selectionPointJava.getY(), (int) ((movingPoint.x - this.selectionPoint.x) / scaleX),
                    (int) (scaledDataArea.height / scaleY));
        } else {
            int ymax = Math.max(movingPoint.y, scaledDataArea.y);

            Point2D selectionPointJava = translateScreenToJava2D(
                    new Point(scaledDataArea.x, this.selectionPoint.y));
            this.selectionRectangle = new Rectangle((int) selectionPointJava.getX(),
                    (int) selectionPointJava.getY(), (int) (scaledDataArea.width / scaleX),
                    (int) ((ymax - this.selectionPoint.y) / scaleY));
        }

        this.canvas.redraw();
    }

    Object[] listeners = this.chartMouseListeners.getListeners(ChartMouseListener.class);
    if (listeners.length == 0) {
        return;
    }

    // pass mouse move event if some ChartMouseListener are listening
    java.awt.event.MouseEvent mouseEvent = SWTUtils.toAwtMouseEvent(event);
    ChartMouseEvent chartEvent = new ChartMouseEvent(getChart(), mouseEvent, entity);
    for (int i = listeners.length - 1; i >= 0; i -= 1) {
        ((ChartMouseListener) listeners[i]).chartMouseMoved(chartEvent);
    }
}

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From source file:org.gumtree.vis.awt.JChartPanel.java

@Override
public void mousePressed(MouseEvent e) {
    if (selectedTextWrapper != null && getCursor() == Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR)) {
        Point2D screenXY = ChartMaskingUtilities.translateChartPoint(
                new Point2D.Double(selectedTextWrapper.getMinX(), selectedTextWrapper.getMinY()),
                getScreenDataArea(), getChart());
        Rectangle2D screenRect = new Rectangle2D.Double(screenXY.getX(), screenXY.getY() - 15,
                selectedTextWrapper.getWidth(), selectedTextWrapper.getHeight());
        if (screenRect.contains(e.getX(), e.getY())) {

            double screenX = ChartMaskingUtilities.translateScreenX(e.getX() / getScaleX(), getScreenDataArea(),
                    getChart());/*from w  ww  .ja  v a  2s. c  o m*/
            double screenY = ChartMaskingUtilities.translateScreenY(e.getY(), getScreenDataArea(), getChart(),
                    0);
            //         Point2D point = translateScreenToChart(translateScreenToJava2D(e.getPoint()));
            Point2D point = new Point2D.Double(screenX, screenY);
            if (point != null) {
                this.textMovePoint = point;
            }
        } else {
            this.textMovePoint = null;
        }
    } else {
        super.mousePressed(e);
    }
}

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From source file:org.gumtree.vis.awt.JChartPanel.java

@Override
public void mouseMoved(MouseEvent e) {
    //        if (isMaskingEnabled() && (e.getModifiers() & maskingKeyMask) != 0) {
    if (selectedTextWrapper == null && isMaskingEnabled()) {
        int cursorType = findCursorOnSelectedItem(e.getX(), e.getY());
        setCursor(Cursor.getPredefinedCursor(cursorType));
    } else {//from   w  w  w  . ja  va  2 s . c om
        Cursor newCursor = defaultCursor;
        if (selectedTextWrapper != null) {
            Point2D screenXY = ChartMaskingUtilities.translateChartPoint(
                    new Point2D.Double(selectedTextWrapper.getMinX(), selectedTextWrapper.getMinY()),
                    getScreenDataArea(), getChart());
            Rectangle2D screenRect = new Rectangle2D.Double(screenXY.getX(), screenXY.getY() - 15,
                    selectedTextWrapper.getWidth(), selectedTextWrapper.getHeight());
            if (screenRect.contains(e.getX(), e.getY())) {
                newCursor = Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR);
            }
        }
        if (newCursor != getCursor()) {
            setCursor(newCursor);
        }
    }
    Line2D oldSelection = selectedMarker;
    findSelectedMarker(e.getPoint());
    if (selectedMarker != oldSelection) {
        repaint();
    }
}

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