Example usage for java.awt.geom Rectangle2D getWidth

List of usage examples for java.awt.geom Rectangle2D getWidth

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Introduction

In this page you can find the example usage for java.awt.geom Rectangle2D getWidth.

Prototype

public abstract double getWidth();

Source Link

Document

Returns the width of the framing rectangle in double precision.

Usage

From source file:com.isti.traceview.common.TraceViewChartPanel.java

/**
 * Handles a 'mouse released' event. On Windows, we need to check if this is a popup trigger,
 * but only if we haven't already been tracking a zoom rectangle.
 * /*from  www. jav  a2 s  .  c  o m*/
 * @param e
 *            information about the event.
 */
public void mouseReleased(MouseEvent e) {
    if (this.zoomRectangle != null) {
        boolean hZoom = false;
        boolean vZoom = false;
        if (this.orientation == PlotOrientation.HORIZONTAL) {
            hZoom = this.rangeZoomable;
            vZoom = this.domainZoomable;
        } else {
            hZoom = this.domainZoomable;
            vZoom = this.rangeZoomable;
        }

        boolean zoomTrigger1 = hZoom && Math.abs(e.getX() - this.zoomPoint.getX()) >= this.zoomTriggerDistance;
        boolean zoomTrigger2 = vZoom && Math.abs(e.getY() - this.zoomPoint.getY()) >= this.zoomTriggerDistance;
        if (zoomTrigger1 || zoomTrigger2) {
            if ((hZoom && (e.getX() < this.zoomPoint.getX()))
                    || (vZoom && (e.getY() < this.zoomPoint.getY()))) {
                restoreAutoBounds();
            } else {
                double x, y, w, h;
                Rectangle2D screenDataArea = getScreenDataArea((int) this.zoomPoint.getX(),
                        (int) this.zoomPoint.getY());
                // for mouseReleased event, (horizontalZoom || verticalZoom)
                // will be true, so we can just test for either being false;
                // otherwise both are true
                if (!vZoom) {
                    x = this.zoomPoint.getX();
                    y = screenDataArea.getMinY();
                    w = Math.min(this.zoomRectangle.getWidth(),
                            screenDataArea.getMaxX() - this.zoomPoint.getX());
                    h = screenDataArea.getHeight();
                } else if (!hZoom) {
                    x = screenDataArea.getMinX();
                    y = this.zoomPoint.getY();
                    w = screenDataArea.getWidth();
                    h = Math.min(this.zoomRectangle.getHeight(),
                            screenDataArea.getMaxY() - this.zoomPoint.getY());
                } else {
                    x = this.zoomPoint.getX();
                    y = this.zoomPoint.getY();
                    w = Math.min(this.zoomRectangle.getWidth(),
                            screenDataArea.getMaxX() - this.zoomPoint.getX());
                    h = Math.min(this.zoomRectangle.getHeight(),
                            screenDataArea.getMaxY() - this.zoomPoint.getY());
                }
                Rectangle2D zoomArea = new Rectangle2D.Double(x, y, w, h);
                zoom(zoomArea);
            }
            this.zoomPoint = null;
            this.zoomRectangle = null;
        } else {
            // Erase the zoom rectangle
            Graphics2D g2 = (Graphics2D) getGraphics();
            drawZoomRectangle(g2);
            g2.dispose();
            this.zoomPoint = null;
            this.zoomRectangle = null;
        }
    }

    else if (e.isPopupTrigger()) {
        if (this.popup != null) {
            displayPopupMenu(e.getX(), e.getY());
        }
    }
}

From source file:com.rapidminer.gui.plotter.charts.AbstractChartPanel.java

/**
 * Paints the component by drawing the chart to fill the entire component, but allowing for the
 * insets (which will be non-zero if a border has been set for this component). To increase
 * performance (at the expense of memory), an off-screen buffer image can be used.
 * /*w ww . ja  v  a 2s .com*/
 * @param g
 *            the graphics device for drawing on.
 */

@Override
public void paintComponent(Graphics g) {
    if (this.chart == null) {
        return;
    }
    Graphics2D g2 = (Graphics2D) g.create();

    // first determine the size of the chart rendering area...
    Dimension size = getSize();
    Insets insets = getInsets();
    Rectangle2D available = new Rectangle2D.Double(insets.left, insets.top,
            size.getWidth() - insets.left - insets.right, size.getHeight() - insets.top - insets.bottom);

    // work out if scaling is required...
    boolean scale = false;
    double drawWidth = available.getWidth();
    double drawHeight = available.getHeight();
    this.scaleX = 1.0;
    this.scaleY = 1.0;

    if (drawWidth < this.minimumDrawWidth) {
        this.scaleX = drawWidth / this.minimumDrawWidth;
        drawWidth = this.minimumDrawWidth;
        scale = true;
    } else if (drawWidth > this.maximumDrawWidth) {
        this.scaleX = drawWidth / this.maximumDrawWidth;
        drawWidth = this.maximumDrawWidth;
        scale = true;
    }

    if (drawHeight < this.minimumDrawHeight) {
        this.scaleY = drawHeight / this.minimumDrawHeight;
        drawHeight = this.minimumDrawHeight;
        scale = true;
    } else if (drawHeight > this.maximumDrawHeight) {
        this.scaleY = drawHeight / this.maximumDrawHeight;
        drawHeight = this.maximumDrawHeight;
        scale = true;
    }

    Rectangle2D chartArea = new Rectangle2D.Double(0.0, 0.0, drawWidth, drawHeight);
    // redrawing the chart every time...

    AffineTransform saved = g2.getTransform();
    g2.translate(insets.left, insets.top);
    if (scale) {
        AffineTransform st = AffineTransform.getScaleInstance(this.scaleX, this.scaleY);
        g2.transform(st);
    }
    this.chart.draw(g2, chartArea, this.anchor, this.info);
    g2.setTransform(saved);

    Iterator<Overlay> iterator = this.overlays.iterator();
    while (iterator.hasNext()) {
        Overlay overlay = iterator.next();
        overlay.paintOverlay(g2, this);
    }

    // redraw the zoom rectangle (if present) - if useBuffer is false,
    // we use XOR so we can XOR the rectangle away again without redrawing
    // the chart
    drawSelectionRectangle(g2);

    g2.dispose();

    this.anchor = null;
    this.verticalTraceLine = null;
    this.horizontalTraceLine = null;

}

From source file:spinworld.gui.RadarPlot.java

/**
 * Draws the plot on a Java 2D graphics device (such as the screen or a
 * printer)./*from  www. j  a va  2s.  c  om*/
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot should be drawn.
 * @param anchor  the anchor point (<code>null</code> permitted).
 * @param parentState  the state from the parent plot, if there is one.
 * @param info  collects info about the drawing.
 */
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor, PlotState parentState,
        PlotRenderingInfo info) {

    // adjust for insets...
    RectangleInsets insets = getInsets();
    insets.trim(area);

    if (info != null) {
        info.setPlotArea(area);
        info.setDataArea(area);
    }

    drawBackground(g2, area);
    drawOutline(g2, area);

    Shape savedClip = g2.getClip();

    g2.clip(area);
    Composite originalComposite = g2.getComposite();
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, getForegroundAlpha()));

    if (!DatasetUtilities.isEmptyOrNull(this.dataset)) {
        int seriesCount = 0, catCount = 0;

        if (this.dataExtractOrder == TableOrder.BY_ROW) {
            seriesCount = this.dataset.getRowCount();
            catCount = this.dataset.getColumnCount();
        } else {
            seriesCount = this.dataset.getColumnCount();
            catCount = this.dataset.getRowCount();
        }

        // ensure we have origin and maximum value for each axis
        ensureBoundaryValues(seriesCount, catCount);

        // Next, setup the plot area

        // adjust the plot area by the interior spacing value

        double gapHorizontal = area.getWidth() * getInteriorGap();
        double gapVertical = area.getHeight() * getInteriorGap();

        double X = area.getX() + gapHorizontal / 2;
        double Y = area.getY() + gapVertical / 2;
        double W = area.getWidth() - gapHorizontal;
        double H = area.getHeight() - gapVertical;

        double headW = area.getWidth() * this.headPercent;
        double headH = area.getHeight() * this.headPercent;

        // make the chart area a square
        double min = Math.min(W, H) / 2;
        X = (X + X + W) / 2 - min;
        Y = (Y + Y + H) / 2 - min;
        W = 2 * min;
        H = 2 * min;

        Point2D centre = new Point2D.Double(X + W / 2, Y + H / 2);
        Rectangle2D radarArea = new Rectangle2D.Double(X, Y, W, H);

        // draw the axis and category label
        for (int cat = 0; cat < catCount; cat++) {
            double angle = getStartAngle() + (getDirection().getFactor() * cat * 360 / catCount);

            Point2D endPoint = getWebPoint(radarArea, angle, 1);
            // 1 = end of axis
            Line2D line = new Line2D.Double(centre, endPoint);
            g2.setPaint(this.axisLinePaint);
            g2.setStroke(this.axisLineStroke);
            g2.draw(line);
            if (isAxisTickVisible()) {
                drawTicks(g2, radarArea, angle, cat);
            }
            drawLabel(g2, area, radarArea, 0.0, cat, angle, 360.0 / catCount);
        }

        // Now actually plot each of the series polygons..
        for (int series = 0; series < seriesCount; series++) {
            drawRadarPoly(g2, radarArea, centre, info, series, catCount, headH, headW);
        }
    } else {
        drawNoDataMessage(g2, area);
    }
    g2.setClip(savedClip);
    g2.setComposite(originalComposite);
    drawOutline(g2, area);
}

From source file:com.isti.traceview.common.TraceViewChartPanel.java

/**
 * Handles a 'mouse dragged' event.//from   ww  w.  ja v  a  2 s  . c  o m
 * 
 * @param e
 *            the mouse event.
 */
public void mouseDragged(MouseEvent e) {
    // if the popup menu has already been triggered, then ignore dragging...
    if (this.popup != null && this.popup.isShowing()) {
        return;
    }
    // if no initial zoom point was set, ignore dragging...
    if (this.zoomPoint == null) {
        return;
    }
    Graphics2D g2 = (Graphics2D) getGraphics();

    // Erase the previous zoom rectangle (if any)...
    drawZoomRectangle(g2);

    boolean hZoom = false;
    boolean vZoom = false;
    if (this.orientation == PlotOrientation.HORIZONTAL) {
        hZoom = this.rangeZoomable;
        vZoom = this.domainZoomable;
    } else {
        hZoom = this.domainZoomable;
        vZoom = this.rangeZoomable;
    }
    Rectangle2D scaledDataArea = getScreenDataArea((int) this.zoomPoint.getX(), (int) this.zoomPoint.getY());
    if (hZoom && vZoom) {
        // selected rectangle shouldn't extend outside the data area...
        double xmax = Math.min(e.getX(), scaledDataArea.getMaxX());
        double ymax = Math.min(e.getY(), scaledDataArea.getMaxY());
        this.zoomRectangle = new Rectangle2D.Double(this.zoomPoint.getX(), this.zoomPoint.getY(),
                xmax - this.zoomPoint.getX(), ymax - this.zoomPoint.getY());
    } else if (hZoom) {
        double xmax = Math.min(e.getX(), scaledDataArea.getMaxX());
        this.zoomRectangle = new Rectangle2D.Double(this.zoomPoint.getX(), scaledDataArea.getMinY(),
                xmax - this.zoomPoint.getX(), scaledDataArea.getHeight());
    } else if (vZoom) {
        double ymax = Math.min(e.getY(), scaledDataArea.getMaxY());
        this.zoomRectangle = new Rectangle2D.Double(scaledDataArea.getMinX(), this.zoomPoint.getY(),
                scaledDataArea.getWidth(), ymax - this.zoomPoint.getY());
    }

    // Draw the new zoom rectangle...
    drawZoomRectangle(g2);
    g2.dispose();
}

From source file:edu.dlnu.liuwenpeng.render.CandlestickRenderer.java

/**    
* Draws the visual representation of a single data item.    
*    /*w ww  .j a  va2s .  c om*/
* @param g2  the graphics device.    
* @param state  the renderer state.    
* @param dataArea  the area within which the plot is being drawn.    
* @param info  collects info about the drawing.    
* @param plot  the plot (can be used to obtain standard color    
*              information etc).    
* @param domainAxis  the domain axis.    
* @param rangeAxis  the range axis.    
* @param dataset  the dataset.    
* @param series  the series index (zero-based).    
* @param item  the item index (zero-based).    
* @param crosshairState  crosshair information for the plot    
*                        (<code>null</code> permitted).    
* @param pass  the pass index.    
*/
public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info,
        XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item,
        CrosshairState crosshairState, int pass) {

    boolean horiz;
    PlotOrientation orientation = plot.getOrientation();
    if (orientation == PlotOrientation.HORIZONTAL) {
        horiz = true;
    } else if (orientation == PlotOrientation.VERTICAL) {
        horiz = false;
    } else {
        return;
    }

    // setup for collecting optional entity info...    
    EntityCollection entities = null;
    if (info != null) {
        entities = info.getOwner().getEntityCollection();
    }

    OHLCDataset highLowData = (OHLCDataset) dataset;

    double x = highLowData.getXValue(series, item);
    double yHigh = highLowData.getHighValue(series, item);
    double yLow = highLowData.getLowValue(series, item);
    double yOpen = highLowData.getOpenValue(series, item);
    double yClose = highLowData.getCloseValue(series, item);

    RectangleEdge domainEdge = plot.getDomainAxisEdge();
    double xx = domainAxis.valueToJava2D(x, dataArea, domainEdge);

    RectangleEdge edge = plot.getRangeAxisEdge();
    double yyHigh = rangeAxis.valueToJava2D(yHigh, dataArea, edge);
    double yyLow = rangeAxis.valueToJava2D(yLow, dataArea, edge);
    double yyOpen = rangeAxis.valueToJava2D(yOpen, dataArea, edge);
    double yyClose = rangeAxis.valueToJava2D(yClose, dataArea, edge);

    double volumeWidth;
    double stickWidth;
    if (this.candleWidth > 0) {
        // These are deliberately not bounded to minimums/maxCandleWidth to    
        //  retain old behaviour.    
        volumeWidth = this.candleWidth;
        stickWidth = this.candleWidth;
    } else {
        double xxWidth = 0;
        int itemCount;
        switch (this.autoWidthMethod) {

        case WIDTHMETHOD_AVERAGE:
            itemCount = highLowData.getItemCount(series);
            if (horiz) {
                xxWidth = dataArea.getHeight() / itemCount;
            } else {
                xxWidth = dataArea.getWidth() / itemCount;
            }
            break;

        case WIDTHMETHOD_SMALLEST:
            // Note: It would be nice to pre-calculate this per series    
            itemCount = highLowData.getItemCount(series);
            double lastPos = -1;
            xxWidth = dataArea.getWidth();
            for (int i = 0; i < itemCount; i++) {
                double pos = domainAxis.valueToJava2D(highLowData.getXValue(series, i), dataArea, domainEdge);
                if (lastPos != -1) {
                    xxWidth = Math.min(xxWidth, Math.abs(pos - lastPos));
                }
                lastPos = pos;
            }
            break;

        case WIDTHMETHOD_INTERVALDATA:
            IntervalXYDataset intervalXYData = (IntervalXYDataset) dataset;
            double startPos = domainAxis.valueToJava2D(intervalXYData.getStartXValue(series, item), dataArea,
                    plot.getDomainAxisEdge());
            double endPos = domainAxis.valueToJava2D(intervalXYData.getEndXValue(series, item), dataArea,
                    plot.getDomainAxisEdge());
            xxWidth = Math.abs(endPos - startPos);
            break;

        }
        xxWidth -= 2 * this.autoWidthGap;
        xxWidth *= this.autoWidthFactor;
        xxWidth = Math.min(xxWidth, this.maxCandleWidth);
        volumeWidth = Math.max(Math.min(1, this.maxCandleWidth), xxWidth);
        stickWidth = Math.max(Math.min(3, this.maxCandleWidth), xxWidth);
    }

    Paint p = getItemPaint(series, item);
    Paint outlinePaint = null;
    if (this.useOutlinePaint) {
        outlinePaint = getItemOutlinePaint(series, item);
    }
    Stroke s = getItemStroke(series, item);

    g2.setStroke(s);

    if (this.drawVolume) {
        int volume = (int) highLowData.getVolumeValue(series, item);
        double volumeHeight = volume / this.maxVolume;

        double min, max;
        if (horiz) {
            min = dataArea.getMinX();
            max = dataArea.getMaxX();
        } else {
            min = dataArea.getMinY();
            max = dataArea.getMaxY();
        }

        double zzVolume = volumeHeight * (max - min);

        g2.setPaint(getVolumePaint());
        Composite originalComposite = g2.getComposite();
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.3f));

        if (horiz) {
            g2.fill(new Rectangle2D.Double(min, xx - volumeWidth / 2, zzVolume, volumeWidth));
        } else {
            g2.fill(new Rectangle2D.Double(xx - volumeWidth / 2, max - zzVolume, volumeWidth, zzVolume));
        }

        g2.setComposite(originalComposite);
    }

    if (this.useOutlinePaint) {
        g2.setPaint(outlinePaint);
    } else {
        g2.setPaint(p);
    }

    double yyMaxOpenClose = Math.max(yyOpen, yyClose);
    double yyMinOpenClose = Math.min(yyOpen, yyClose);
    double maxOpenClose = Math.max(yOpen, yClose);
    double minOpenClose = Math.min(yOpen, yClose);

    // draw the upper shadow    
    if (yHigh > maxOpenClose) {
        if (yClose > yOpen) {
            g2.setPaint(Color.green);
        } else {
            g2.setPaint(Color.red);

        }
        if (horiz) {
            g2.draw(new Line2D.Double(yyHigh, xx, yyMaxOpenClose, xx));
        } else {
            g2.draw(new Line2D.Double(xx, yyHigh, xx, yyMaxOpenClose));
        }
    }

    // draw the lower shadow    
    if (yLow < minOpenClose) {
        if (yClose > yOpen) {
            g2.setPaint(Color.green);
        } else {
            g2.setPaint(Color.red);

        }
        if (horiz) {
            g2.draw(new Line2D.Double(yyLow, xx, yyMinOpenClose, xx));
        } else {
            g2.draw(new Line2D.Double(xx, yyLow, xx, yyMinOpenClose));
        }
    }

    // draw the body    
    Rectangle2D body = null;
    Rectangle2D hotspot = null;
    double length = Math.abs(yyHigh - yyLow);
    double base = Math.min(yyHigh, yyLow);
    if (horiz) {
        body = new Rectangle2D.Double(yyMinOpenClose, xx - stickWidth / 2, yyMaxOpenClose - yyMinOpenClose,
                stickWidth);

        hotspot = new Rectangle2D.Double(base, xx - stickWidth / 2, length, stickWidth);
    } else {
        body = new Rectangle2D.Double(xx - stickWidth / 2, yyMinOpenClose, stickWidth,
                yyMaxOpenClose - yyMinOpenClose);
        hotspot = new Rectangle2D.Double(xx - stickWidth / 2, base, stickWidth, length);

    }
    if (yClose > yOpen) {
        if (this.upPaint != null) {
            g2.setPaint(this.upPaint);
        } else {
            g2.setPaint(p);
        }
        g2.fill(body);
    } else {
        if (this.downPaint != null) {
            g2.setPaint(this.downPaint);
        } else {
            g2.setPaint(p);
        }
        g2.fill(body);
    }
    if (this.useOutlinePaint) {
        g2.setPaint(outlinePaint);

    } else {
        if (yClose > yOpen) {
            g2.setPaint(Color.green);

        } else {
            g2.setPaint(p);
        }
    }
    g2.draw(body);

    // add an entity for the item...    
    if (entities != null) {
        addEntity(entities, hotspot, dataset, series, item, 0.0, 0.0);
    }

}

From source file:org.rdv.viz.chart.ChartPanel.java

/**
 * Handles a 'mouse released' event.  On Windows, we need to check if this
 * is a popup trigger, but only if we haven't already been tracking a zoom
 * rectangle./*from   www. jav a 2s . c  o  m*/
 *
 * @param e  information about the event.
 */
public void mouseReleased(MouseEvent e) {

    if (this.zoomRectangle != null) {
        boolean hZoom = false;
        boolean vZoom = false;
        if (this.orientation == PlotOrientation.HORIZONTAL) {
            hZoom = this.rangeZoomable;
            vZoom = this.domainZoomable;
        } else {
            hZoom = this.domainZoomable;
            vZoom = this.rangeZoomable;
        }

        boolean zoomTrigger1 = hZoom && Math.abs(e.getX() - this.zoomPoint.getX()) >= this.zoomTriggerDistance;
        boolean zoomTrigger2 = vZoom && Math.abs(e.getY() - this.zoomPoint.getY()) >= this.zoomTriggerDistance;
        if (zoomTrigger1 || zoomTrigger2) {
            if ((hZoom && (e.getX() < this.zoomPoint.getX()))
                    || (vZoom && (e.getY() < this.zoomPoint.getY()))) {
                // restore the the range for the domain and range axis from
                // the history
                Plot p = this.chart.getPlot();
                if (p instanceof XYPlot && !rangeHistory.empty()) {
                    XYPlot xyPlot = (XYPlot) p;
                    ValueAxis rangeAxis = xyPlot.getRangeAxis();
                    ValueAxis domainAxis = xyPlot.getDomainAxis();

                    if (rangeAxis.getRange().equals(rangeHistory.pop())
                            && domainAxis.getRange().equals(rangeHistory.pop())) {
                        xyPlot.getRangeAxis().setRange(rangeHistory.pop());
                        xyPlot.getDomainAxis().setRange(rangeHistory.pop());

                        if (!rangeHistory.empty()) {
                            rangeHistory.push(domainAxis.getRange());
                            rangeHistory.push(rangeAxis.getRange());
                        }
                    } else {
                        rangeHistory.clear();
                        restoreAutoBounds();
                    }
                } else {
                    restoreAutoBounds();
                }

            } else {
                double x, y, w, h;
                Rectangle2D screenDataArea = getScreenDataArea((int) this.zoomPoint.getX(),
                        (int) this.zoomPoint.getY());
                double maxX = screenDataArea.getMaxX();
                double maxY = screenDataArea.getMaxY();
                // for mouseReleased event, (horizontalZoom || verticalZoom)
                // will be true, so we can just test for either being false;
                // otherwise both are true
                if (!vZoom) {
                    x = this.zoomPoint.getX();
                    y = screenDataArea.getMinY();
                    w = Math.min(this.zoomRectangle.getWidth(), maxX - this.zoomPoint.getX());
                    h = screenDataArea.getHeight();
                } else if (!hZoom) {
                    x = screenDataArea.getMinX();
                    y = this.zoomPoint.getY();
                    w = screenDataArea.getWidth();
                    h = Math.min(this.zoomRectangle.getHeight(), maxY - this.zoomPoint.getY());
                } else {
                    x = this.zoomPoint.getX();
                    y = this.zoomPoint.getY();
                    w = Math.min(this.zoomRectangle.getWidth(), maxX - this.zoomPoint.getX());
                    h = Math.min(this.zoomRectangle.getHeight(), maxY - this.zoomPoint.getY());
                }
                Rectangle2D zoomArea = new Rectangle2D.Double(x, y, w, h);
                zoom(zoomArea);
            }
            this.zoomPoint = null;
            this.zoomRectangle = null;
        } else {
            // Erase the zoom rectangle
            Graphics2D g2 = (Graphics2D) getGraphics();
            drawZoomRectangle(g2);
            g2.dispose();
            this.zoomPoint = null;
            this.zoomRectangle = null;
        }

    }

    else if (e.isPopupTrigger()) {
        if (this.popup != null) {
            displayPopupMenu(e.getX(), e.getY());
        }
    }

}

From source file:org.rdv.viz.chart.ChartPanel.java

/**
 * Handles a 'mouse dragged' event./*  w  w w. j  av a  2s.  c om*/
 *
 * @param e  the mouse event.
 */
public void mouseDragged(MouseEvent e) {

    // if the popup menu has already been triggered, then ignore dragging...
    if (this.popup != null && this.popup.isShowing()) {
        return;
    }
    // if no initial zoom point was set, ignore dragging...
    if (this.zoomPoint == null) {
        return;
    }
    Graphics2D g2 = (Graphics2D) getGraphics();

    // Erase the previous zoom rectangle (if any)...
    drawZoomRectangle(g2);

    boolean hZoom = false;
    boolean vZoom = false;
    if (this.orientation == PlotOrientation.HORIZONTAL) {
        hZoom = this.rangeZoomable;
        vZoom = this.domainZoomable;
    } else {
        hZoom = this.domainZoomable;
        vZoom = this.rangeZoomable;
    }
    Rectangle2D scaledDataArea = getScreenDataArea((int) this.zoomPoint.getX(), (int) this.zoomPoint.getY());
    if (hZoom && vZoom) {
        // selected rectangle shouldn't extend outside the data area...
        double xmax = Math.min(e.getX(), scaledDataArea.getMaxX());
        double ymax = Math.min(e.getY(), scaledDataArea.getMaxY());
        this.zoomRectangle = new Rectangle2D.Double(this.zoomPoint.getX(), this.zoomPoint.getY(),
                xmax - this.zoomPoint.getX(), ymax - this.zoomPoint.getY());
    } else if (hZoom) {
        double xmax = Math.min(e.getX(), scaledDataArea.getMaxX());
        this.zoomRectangle = new Rectangle2D.Double(this.zoomPoint.getX(), scaledDataArea.getMinY(),
                xmax - this.zoomPoint.getX(), scaledDataArea.getHeight());
    } else if (vZoom) {
        double ymax = Math.min(e.getY(), scaledDataArea.getMaxY());
        this.zoomRectangle = new Rectangle2D.Double(scaledDataArea.getMinX(), this.zoomPoint.getY(),
                scaledDataArea.getWidth(), ymax - this.zoomPoint.getY());
    }

    // Draw the new zoom rectangle...
    drawZoomRectangle(g2);

    g2.dispose();

}

From source file:com.rapidminer.gui.plotter.charts.AbstractChartPanel.java

/**
 * Handles a 'mouse released' event. On Windows, we need to check if this is a popup trigger,
 * but only if we haven't already been tracking a zoom rectangle.
 * /*w  w  w  . ja va2 s  .  com*/
 * @param e
 *            information about the event.
 */

@Override
public void mouseReleased(MouseEvent e) {
    // if we've been panning, we need to reset now that the mouse is
    // released...
    if (this.panLast != null) {
        this.panLast = null;
        setCursor(Cursor.getDefaultCursor());
    } else if (this.selectionRectangle != null) {
        boolean hZoom = false;
        boolean vZoom = false;
        if (this.orientation == PlotOrientation.HORIZONTAL) {
            hZoom = this.rangeZoomable;
            vZoom = this.domainZoomable;
        } else {
            hZoom = this.domainZoomable;
            vZoom = this.rangeZoomable;
        }

        boolean zoomTrigger1 = hZoom && Math.abs(e.getX() - this.zoomPoint.getX()) >= this.zoomTriggerDistance;
        boolean zoomTrigger2 = vZoom && Math.abs(e.getY() - this.zoomPoint.getY()) >= this.zoomTriggerDistance;
        if (zoomTrigger1 || zoomTrigger2) {
            if (hZoom && e.getX() < this.zoomPoint.getX() || vZoom && e.getY() < this.zoomPoint.getY()) {
                restoreAutoBounds();
            } else {
                double x, y, w, h;
                Rectangle2D screenDataArea = getScreenDataArea((int) this.zoomPoint.getX(),
                        (int) this.zoomPoint.getY());
                double maxX = screenDataArea.getMaxX();
                double maxY = screenDataArea.getMaxY();
                // for mouseReleased event, (horizontalZoom || verticalZoom)
                // will be true, so we can just test for either being false;
                // otherwise both are true
                if (!vZoom) {
                    x = this.zoomPoint.getX();
                    y = screenDataArea.getMinY();
                    w = Math.min(this.selectionRectangle.getWidth(), maxX - this.zoomPoint.getX());
                    h = screenDataArea.getHeight();
                } else if (!hZoom) {
                    x = screenDataArea.getMinX();
                    y = this.zoomPoint.getY();
                    w = screenDataArea.getWidth();
                    h = Math.min(this.selectionRectangle.getHeight(), maxY - this.zoomPoint.getY());
                } else {
                    x = this.zoomPoint.getX();
                    y = this.zoomPoint.getY();
                    w = Math.min(this.selectionRectangle.getWidth(), maxX - this.zoomPoint.getX());
                    h = Math.min(this.selectionRectangle.getHeight(), maxY - this.zoomPoint.getY());
                }
                Rectangle2D zoomArea = new Rectangle2D.Double(x, y, w, h);
                selectRectangle(zoomArea, e);
            }
            this.zoomPoint = null;
            this.selectionRectangle = null;
        } else {
            this.zoomPoint = null;
            this.selectionRectangle = null;
        }

    }

    else if (e.isPopupTrigger()) {
        if (this.popup != null) {
            displayPopupMenu(e.getX(), e.getY());
        }
    }

}

From source file:com.rapidminer.gui.plotter.charts.AbstractChartPanel.java

/**
 * Handles a 'mouse dragged' event./*  w  w  w. jav  a2  s  . c  o  m*/
 * 
 * @param e
 *            the mouse event.
 */

@Override
public void mouseDragged(MouseEvent e) {

    // if the popup menu has already been triggered, then ignore dragging...
    if (this.popup != null && this.popup.isShowing()) {
        return;
    }

    // handle panning if we have a start point
    if (this.panLast != null) {
        double dx = e.getX() - this.panLast.getX();
        double dy = e.getY() - this.panLast.getY();
        if (dx == 0.0 && dy == 0.0) {
            return;
        }
        double wPercent = -dx / this.panW;
        double hPercent = dy / this.panH;
        boolean old = this.chart.getPlot().isNotify();
        this.chart.getPlot().setNotify(false);
        Pannable p = (Pannable) this.chart.getPlot();
        if (p.getOrientation() == PlotOrientation.VERTICAL) {
            panAxes(wPercent, hPercent, e);
        } else {
            panAxes(hPercent, wPercent, e);
        }
        this.panLast = e.getPoint();
        this.chart.getPlot().setNotify(old);
        return;
    }

    // if no initial zoom point was set, ignore dragging...
    if (this.zoomPoint == null) {
        return;
    }

    boolean hZoom = false;
    boolean vZoom = false;
    if (this.orientation == PlotOrientation.HORIZONTAL) {
        hZoom = this.rangeZoomable;
        vZoom = this.domainZoomable;
    } else {
        hZoom = this.domainZoomable;
        vZoom = this.rangeZoomable;
    }
    Rectangle2D scaledDataArea = getScreenDataArea((int) this.zoomPoint.getX(), (int) this.zoomPoint.getY());
    if (hZoom && vZoom) {
        // selected rectangle shouldn't extend outside the data area...
        double xmax = Math.min(e.getX(), scaledDataArea.getMaxX());
        double ymax = Math.min(e.getY(), scaledDataArea.getMaxY());
        this.selectionRectangle = new Rectangle2D.Double(this.zoomPoint.getX(), this.zoomPoint.getY(),
                xmax - this.zoomPoint.getX(), ymax - this.zoomPoint.getY());
    } else if (hZoom) {
        double xmax = Math.min(e.getX(), scaledDataArea.getMaxX());
        this.selectionRectangle = new Rectangle2D.Double(this.zoomPoint.getX(), scaledDataArea.getMinY(),
                xmax - this.zoomPoint.getX(), scaledDataArea.getHeight());
    } else if (vZoom) {
        double ymax = Math.min(e.getY(), scaledDataArea.getMaxY());
        this.selectionRectangle = new Rectangle2D.Double(scaledDataArea.getMinX(), this.zoomPoint.getY(),
                scaledDataArea.getWidth(), ymax - this.zoomPoint.getY());
    }

    // Draw the new zoom rectangle...
    repaint();

}

From source file:ucar.unidata.idv.control.chart.MyXYPlot.java

/**
 * Draws the plot within the specified area on a graphics device.
 *
 * @param g2  the graphics device.//from  ww w  . j  ava2  s .  c o  m
 * @param area  the plot area (in Java2D space).
 * @param anchor  an anchor point in Java2D space (<code>null</code>
 *                permitted).
 * @param parentState  the state from the parent plot, if there is one
 *                     (<code>null</code> permitted).
 * @param info  collects chart drawing information (<code>null</code>
 *              permitted).
 */
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor, PlotState parentState,
        PlotRenderingInfo info) {

    // if the plot area is too small, just return...
    boolean b1 = (area.getWidth() <= MINIMUM_WIDTH_TO_DRAW);
    boolean b2 = (area.getHeight() <= MINIMUM_HEIGHT_TO_DRAW);
    if (b1 || b2) {
        return;
    }

    // record the plot area...
    if (info != null) {
        info.setPlotArea(area);
    }

    // adjust the drawing area for the plot insets (if any)...
    RectangleInsets insets = getInsets();
    insets.trim(area);

    AxisSpace space = calculateAxisSpace(g2, area);
    Rectangle2D dataArea = space.shrink(area, null);
    this.axisOffset.trim(dataArea);

    if (info != null) {
        info.setDataArea(dataArea);
    }

    // draw the plot background and axes...
    drawBackground(g2, dataArea);
    Map axisStateMap = drawAxes(g2, area, dataArea, info);

    if ((anchor != null) && !dataArea.contains(anchor)) {
        anchor = null;
    }
    CrosshairState crosshairState = new CrosshairState();
    crosshairState.setCrosshairDistance(Double.POSITIVE_INFINITY);
    crosshairState.setAnchor(anchor);
    crosshairState.setCrosshairX(getDomainCrosshairValue());
    crosshairState.setCrosshairY(getRangeCrosshairValue());
    Shape originalClip = g2.getClip();
    Composite originalComposite = g2.getComposite();

    g2.clip(dataArea);
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, getForegroundAlpha()));

    AxisState domainAxisState = (AxisState) axisStateMap.get(getDomainAxis());
    if (domainAxisState == null) {
        if (parentState != null) {
            domainAxisState = (AxisState) parentState.getSharedAxisStates().get(getDomainAxis());
        }
    }
    if (domainAxisState != null) {
        drawDomainTickBands(g2, dataArea, domainAxisState.getTicks());
        drawDomainGridlines(g2, dataArea, domainAxisState.getTicks());
    }

    AxisState rangeAxisState = (AxisState) axisStateMap.get(getRangeAxis());
    if (rangeAxisState == null) {
        if (parentState != null) {
            rangeAxisState = (AxisState) parentState.getSharedAxisStates().get(getRangeAxis());
        }
    }
    if (rangeAxisState != null) {
        drawRangeTickBands(g2, dataArea, rangeAxisState.getTicks());
        drawRangeGridlines(g2, dataArea, rangeAxisState.getTicks());
        drawZeroRangeBaseline(g2, dataArea);
    }

    // draw the markers that are associated with a specific renderer...
    for (int i = 0; i < this.renderers.size(); i++) {
        drawDomainMarkers(g2, dataArea, i, Layer.BACKGROUND);
    }
    for (int i = 0; i < this.renderers.size(); i++) {
        drawRangeMarkers(g2, dataArea, i, Layer.BACKGROUND);
    }

    // now draw annotations and render data items...
    boolean foundData = false;
    DatasetRenderingOrder order = getDatasetRenderingOrder();
    if (order == DatasetRenderingOrder.FORWARD) {

        // draw background annotations
        int rendererCount = this.renderers.size();
        for (int i = 0; i < rendererCount; i++) {
            XYItemRenderer r = getRenderer(i);
            if (r != null) {
                ValueAxis domainAxis = getDomainAxisForDataset(i);
                ValueAxis rangeAxis = getRangeAxisForDataset(i);
                r.drawAnnotations(g2, dataArea, domainAxis, rangeAxis, Layer.BACKGROUND, info);
            }
        }

        // render data items...
        for (int i = 0; i < getDatasetCount(); i++) {
            foundData = render(g2, dataArea, i, info, crosshairState) || foundData;
        }

        // draw foreground annotations
        for (int i = 0; i < rendererCount; i++) {
            XYItemRenderer r = getRenderer(i);
            if (r != null) {
                ValueAxis domainAxis = getDomainAxisForDataset(i);
                ValueAxis rangeAxis = getRangeAxisForDataset(i);
                r.drawAnnotations(g2, dataArea, domainAxis, rangeAxis, Layer.FOREGROUND, info);
            }
        }

    } else if (order == DatasetRenderingOrder.REVERSE) {

        // draw background annotations
        int rendererCount = this.renderers.size();
        for (int i = rendererCount - 1; i >= 0; i--) {
            XYItemRenderer r = getRenderer(i);
            if (r != null) {
                ValueAxis domainAxis = getDomainAxisForDataset(i);
                ValueAxis rangeAxis = getRangeAxisForDataset(i);
                r.drawAnnotations(g2, dataArea, domainAxis, rangeAxis, Layer.BACKGROUND, info);
            }
        }

        ucar.unidata.util.Trace.call1("renderData");
        for (int i = getDatasetCount() - 1; i >= 0; i--) {
            foundData = render(g2, dataArea, i, info, crosshairState) || foundData;
        }
        ucar.unidata.util.Trace.call2("renderData");

        // draw foreground annotations
        for (int i = rendererCount - 1; i >= 0; i--) {
            XYItemRenderer r = getRenderer(i);
            if (r != null) {
                ValueAxis domainAxis = getDomainAxisForDataset(i);
                ValueAxis rangeAxis = getRangeAxisForDataset(i);
                r.drawAnnotations(g2, dataArea, domainAxis, rangeAxis, Layer.FOREGROUND, info);
            }
        }

    }

    PlotOrientation orient = getOrientation();

    // draw domain crosshair if required...
    if (!this.domainCrosshairLockedOnData && (anchor != null)) {
        double xx = getDomainAxis().java2DToValue(anchor.getX(), dataArea, getDomainAxisEdge());
        crosshairState.setCrosshairX(xx);
    }
    setDomainCrosshairValue(crosshairState.getCrosshairX(), false);
    if (isDomainCrosshairVisible()) {
        double x = getDomainCrosshairValue();
        Paint paint = getDomainCrosshairPaint();
        Stroke stroke = getDomainCrosshairStroke();
        if (orient == PlotOrientation.HORIZONTAL) {
            drawHorizontalLine(g2, dataArea, x, stroke, paint);
        } else if (orient == PlotOrientation.VERTICAL) {
            drawVerticalLine(g2, dataArea, x, stroke, paint);
        }
    }

    // draw range crosshair if required...
    if (!this.rangeCrosshairLockedOnData && (anchor != null)) {
        double yy = getRangeAxis().java2DToValue(anchor.getY(), dataArea, getRangeAxisEdge());
        crosshairState.setCrosshairX(yy);
    }
    setRangeCrosshairValue(crosshairState.getCrosshairY(), false);
    if (isRangeCrosshairVisible() && getRangeAxis().getRange().contains(getRangeCrosshairValue())) {
        double y = getRangeCrosshairValue();
        Paint paint = getRangeCrosshairPaint();
        Stroke stroke = getRangeCrosshairStroke();
        if (orient == PlotOrientation.HORIZONTAL) {
            drawVerticalLine(g2, dataArea, y, stroke, paint);
        } else if (orient == PlotOrientation.VERTICAL) {
            drawHorizontalLine(g2, dataArea, y, stroke, paint);
        }
    }

    if (!foundData) {
        drawNoDataMessage(g2, dataArea);
    }

    for (int i = 0; i < this.renderers.size(); i++) {
        drawDomainMarkers(g2, dataArea, i, Layer.FOREGROUND);
    }
    for (int i = 0; i < this.renderers.size(); i++) {
        drawRangeMarkers(g2, dataArea, i, Layer.FOREGROUND);
    }

    drawAnnotations(g2, dataArea, info);
    g2.setClip(originalClip);
    g2.setComposite(originalComposite);

    drawOutline(g2, dataArea);

}