Example usage for java.awt.geom Rectangle2D getMinY

Introduction

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

Prototype

public double getMinY() 

Source Link

Document

Returns the smallest Y coordinate of the framing rectangle of the Shape in double precision.

Usage

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

private void shrinkSelectionYAxis(double x, double y, Selection selectionObject, ValueAxis axis, int axisIndex,
        double zoomFactor) {
    Rectangle2D scaledDataArea = getScreenDataArea((int) x, (int) y);

    double minY = scaledDataArea.getMinY();
    double maxY = scaledDataArea.getMaxY();
    double partToTop = (y - minY) / (maxY - minY);

    double lowerDomain = axis.getLowerBound();
    double upperDomain = axis.getUpperBound();
    double middlePointTop = lowerDomain + (upperDomain - lowerDomain) * (1d - partToTop);
    double width = (upperDomain - lowerDomain) * zoomFactor;
    Range axisRange = new Range(middlePointTop - width / 2d, middlePointTop + width / 2d);
    for (String axisName : axisNameResolver.resolveYAxis(axisIndex)) {
        selectionObject.addDelimiter(axisName, axisRange);
    }/*from  w  w w  .j a va  2 s. c  o m*/
}

---

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

/**
 * Draws a horizontal line used to trace the mouse position to the vertical axis.
 * //from w ww . j a v  a  2s .c o  m
 * @param g2
 *            the graphics device.
 * @param y
 *            the y-coordinate of the trace line.
 */
private void drawVerticalAxisTrace(Graphics2D g2, int y) {

    Rectangle2D dataArea = getScreenDataArea();

    g2.setXORMode(Color.orange);
    if ((int) dataArea.getMinY() < y && y < (int) dataArea.getMaxY()) {

        if (this.horizontalTraceLine != null) {
            g2.draw(this.horizontalTraceLine);
            this.horizontalTraceLine.setLine((int) dataArea.getMinX(), y, (int) dataArea.getMaxX(), y);
        } else {
            this.horizontalTraceLine = new Line2D.Float((int) dataArea.getMinX(), y, (int) dataArea.getMaxX(),
                    y);
        }
        g2.draw(this.horizontalTraceLine);
    }

    // Reset to the default 'overwrite' mode
    g2.setPaintMode();
}

---

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

/**
 * Returns a point based on (x, y) but constrained to be within the bounds of the given
 * rectangle. This method could be moved to JCommon.
 * /*from  w w w .  ja  v a  2 s. com*/
 * @param x
 *            the x-coordinate.
 * @param y
 *            the y-coordinate.
 * @param area
 *            the rectangle (<code>null</code> not permitted).
 * 
 * @return A point within the rectangle.
 */
private Point2D getPointInRectangle(int x, int y, Rectangle2D area) {
    double xx = Math.max(area.getMinX(), Math.min(x, area.getMaxX()));
    double yy = Math.max(area.getMinY(), Math.min(y, area.getMaxY()));
    return new Point2D.Double(xx, yy);
}

---

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

/**
 * Handles a 'mouse dragged' event./*from   w w w . j av  a2  s.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: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 w ww .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()))) {
                // 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:com.rapidminer.gui.plotter.charts.AbstractChartPanel.java

/**
 * Draws a vertical line used to trace the mouse position to the horizontal axis.
 * /*from   ww w  . j a va2  s  .c  o m*/
 * @param g2
 *            the graphics device.
 * @param x
 *            the x-coordinate of the trace line.
 */
private void drawHorizontalAxisTrace(Graphics2D g2, int x) {

    Rectangle2D dataArea = getScreenDataArea();

    g2.setXORMode(Color.orange);
    if ((int) dataArea.getMinX() < x && x < (int) dataArea.getMaxX()) {

        if (this.verticalTraceLine != null) {
            g2.draw(this.verticalTraceLine);
            this.verticalTraceLine.setLine(x, (int) dataArea.getMinY(), x, (int) dataArea.getMaxY());
        } else {
            this.verticalTraceLine = new Line2D.Float(x, (int) dataArea.getMinY(), x, (int) dataArea.getMaxY());
        }
        g2.draw(this.verticalTraceLine);
    }

    // Reset to the default 'overwrite' mode
    g2.setPaintMode();
}

---

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

/**
 * Handles a 'mouse dragged' event./*from w w  w.  j  ava  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:com.isti.traceview.common.TraceViewChartPanel.java

/**
 * Zooms in on a selected region.//w w w . j  av  a 2 s.co  m
 * 
 * @param selection
 *            the selected region.
 */
public void zoom(Rectangle2D selection) {

    // get the origin of the zoom selection in the Java2D space used for
    // drawing the chart (that is, before any scaling to fit the panel)
    Point2D selectOrigin = translateScreenToJava2D(
            new Point((int) Math.ceil(selection.getX()), (int) Math.ceil(selection.getY())));
    PlotRenderingInfo plotInfo = this.info.getPlotInfo();
    Rectangle2D scaledDataArea = getScreenDataArea((int) selection.getCenterX(), (int) selection.getCenterY());
    if ((selection.getHeight() > 0) && (selection.getWidth() > 0)) {

        double hLower = (selection.getMinX() - scaledDataArea.getMinX()) / scaledDataArea.getWidth();
        double hUpper = (selection.getMaxX() - scaledDataArea.getMinX()) / scaledDataArea.getWidth();
        double vLower = (scaledDataArea.getMaxY() - selection.getMaxY()) / scaledDataArea.getHeight();
        double vUpper = (scaledDataArea.getMaxY() - selection.getMinY()) / scaledDataArea.getHeight();

        Plot p = this.chart.getPlot();
        if (p instanceof Zoomable) {
            Zoomable z = (Zoomable) p;
            if (z.getOrientation() == PlotOrientation.HORIZONTAL) {
                z.zoomDomainAxes(vLower, vUpper, plotInfo, selectOrigin);
                z.zoomRangeAxes(hLower, hUpper, plotInfo, selectOrigin);
            } else {
                z.zoomDomainAxes(hLower, hUpper, plotInfo, selectOrigin);
                z.zoomRangeAxes(vLower, vUpper, plotInfo, selectOrigin);
            }
        }
    }
}

---

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

/**
 * Zooms in on a selected region./* ww  w . j  a va2 s .  co m*/
 *
 * @param selection  the selected region.
 */
public void zoom(Rectangle2D selection) {

    // get the origin of the zoom selection in the Java2D space used for
    // drawing the chart (that is, before any scaling to fit the panel)
    Point2D selectOrigin = translateScreenToJava2D(
            new Point((int) Math.ceil(selection.getX()), (int) Math.ceil(selection.getY())));
    PlotRenderingInfo plotInfo = this.info.getPlotInfo();
    Rectangle2D scaledDataArea = getScreenDataArea((int) selection.getCenterX(), (int) selection.getCenterY());
    if ((selection.getHeight() > 0) && (selection.getWidth() > 0)) {

        double hLower = (selection.getMinX() - scaledDataArea.getMinX()) / scaledDataArea.getWidth();
        double hUpper = (selection.getMaxX() - scaledDataArea.getMinX()) / scaledDataArea.getWidth();
        double vLower = (scaledDataArea.getMaxY() - selection.getMaxY()) / scaledDataArea.getHeight();
        double vUpper = (scaledDataArea.getMaxY() - selection.getMinY()) / scaledDataArea.getHeight();

        Plot p = this.chart.getPlot();
        if (p instanceof Zoomable) {
            // save previous ranges for use later when zooming out
            if (p instanceof XYPlot && rangeHistory.empty()) {
                XYPlot xyPlot = (XYPlot) p;
                rangeHistory.push(xyPlot.getDomainAxis().getRange());
                rangeHistory.push(xyPlot.getRangeAxis().getRange());
            }

            Zoomable z = (Zoomable) p;
            if (z.getOrientation() == PlotOrientation.HORIZONTAL) {
                z.zoomDomainAxes(vLower, vUpper, plotInfo, selectOrigin);
                z.zoomRangeAxes(hLower, hUpper, plotInfo, selectOrigin);
            } else {
                z.zoomDomainAxes(hLower, hUpper, plotInfo, selectOrigin);
                z.zoomRangeAxes(vLower, vUpper, plotInfo, selectOrigin);
            }

            // save current ranges for use later when zooming out
            if (p instanceof XYPlot) {
                XYPlot xyPlot = (XYPlot) p;
                rangeHistory.push(xyPlot.getDomainAxis().getRange());
                rangeHistory.push(xyPlot.getRangeAxis().getRange());
            }
        }

    }

}

---

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.
 * /*ww  w . ja va  2 s.  c  o  m*/
 * @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());
        }
    }

}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• »