Example usage for java.awt.geom Rectangle2D getCenterX

Introduction

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

Prototype

public double getCenterX()

Source Link

Document

Returns the X coordinate of the center of the framing rectangle of the Shape in double precision.

Usage

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

public void selectRectangle(Rectangle2D selection, MouseEvent selectionEvent) {
    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 XYPlot) {
            XYPlot plot = (XYPlot) p;/*from  w w w. j av  a  2  s .  c o  m*/
            Selection selectionObject = new Selection();
            for (int i = 0; i < plot.getDomainAxisCount(); i++) {
                ValueAxis domain = plot.getDomainAxis(i);
                double lowerDomain = domain.getLowerBound();
                double upperDomain = domain.getUpperBound();
                Range axisRange = new Range(lowerDomain + (upperDomain - lowerDomain) * hLower,
                        lowerDomain + (upperDomain - lowerDomain) * hUpper);
                for (String axisName : axisNameResolver.resolveXAxis(i)) {
                    selectionObject.addDelimiter(axisName, axisRange);
                }
            }
            for (int i = 0; i < plot.getRangeAxisCount(); i++) {
                ValueAxis range = plot.getRangeAxis(i);
                double lowerRange = range.getLowerBound();
                double upperRange = range.getUpperBound();
                Range axisRange = new Range(lowerRange + (upperRange - lowerRange) * vLower,
                        lowerRange + (upperRange - lowerRange) * vUpper);
                for (String axisName : axisNameResolver.resolveYAxis(i)) {
                    selectionObject.addDelimiter(axisName, axisRange);
                }
            }
            informSelectionListener(selectionObject, selectionEvent);
        }
    }

}

From source file:org.squidy.designer.zoom.impl.DataTypeShape.java

/**
 * TODO [RR]: Needs refactoring for automatically computes visual hierarchy.
 *//*from  w  w  w  .  j a v a  2s . c o  m*/
private void buildDataHierarchy() {

    PBounds bounds = getBoundsReference();
    Rectangle2D rectBounds = roundedRectangleShape.getBounds2D();

    DataItemShape iData = new DataItemShape(IData.class, true);
    iData.setBounds(rectBounds);
    iData.setOffset(bounds.getCenterX() - rectBounds.getCenterX(), 0);
    addChild(iData);

    Class<? extends IData>[] typesFirstRow = DataUtility.DATA_FIRST_LEVEL;
    int amount = typesFirstRow.length;
    double spacing = (bounds.getWidth() - (amount * rectBounds.getWidth())) / (amount - 1);
    for (int i = 0; i < amount; i++) {
        boolean selected = dataTypes.contains(typesFirstRow[i]);
        DataItemShape item = new DataItemShape(typesFirstRow[i], selected);
        item.setBounds(rectBounds);
        item.setOffset((i * rectBounds.getWidth()) + (i * spacing), rectBounds.getHeight() + 200);
        addChild(item);
    }

    Class<? extends IData>[] typesSecondRow = DataUtility.DATA_SECOND_LEVEL;
    amount = typesSecondRow.length;
    spacing = (bounds.getWidth() - (amount * rectBounds.getWidth())) / (amount - 1);
    for (int i = 0; i < amount; i++) {
        boolean selected = dataTypes.contains(typesSecondRow[i]);
        DataItemShape item = new DataItemShape(typesSecondRow[i], selected);
        item.setBounds(rectBounds);
        item.setOffset((i * rectBounds.getWidth()) + (i * spacing), (2 * rectBounds.getHeight()) + (2 * 200));
        addChild(item);
    }

    amount = 4;
    spacing = (bounds.getWidth() - (amount * rectBounds.getWidth())) / (amount - 1);
    boolean selected = dataTypes.contains(DataUtility.DATA_THIRD_LEVEL[0]);
    DataItemShape item = new DataItemShape(DataUtility.DATA_THIRD_LEVEL[0], selected);
    item.setBounds(rectBounds);
    item.setOffset((1 * rectBounds.getWidth()) + (1 * spacing), (3 * rectBounds.getHeight()) + (3 * 200));
    addChild(item);
}

From source file:ru.runa.wfe.graph.image.figure.AbstractFigure.java

private int drawText(Graphics2D graphics, String text, int hOffset) {
    Rectangle r = getTextBoundsRectangle();
    Rectangle2D textBounds = graphics.getFontMetrics().getStringBounds(text, graphics);
    if (textBounds.getWidth() > r.getWidth() - 4) {
        int y = coords[1] + hOffset;
        AttributedString attributedString = new AttributedString(text);
        attributedString.addAttribute(TextAttribute.FONT, graphics.getFont());
        AttributedCharacterIterator characterIterator = attributedString.getIterator();
        LineBreakMeasurer measurer = new LineBreakMeasurer(characterIterator, graphics.getFontRenderContext());
        while (measurer.getPosition() < characterIterator.getEndIndex()) {
            TextLayout textLayout = measurer.nextLayout((float) r.getWidth() - 4);
            y += textLayout.getAscent();
            float x = (float) (r.getCenterX() + 2 - textLayout.getBounds().getCenterX());
            textLayout.draw(graphics, x, y);
            y += textLayout.getDescent() + textLayout.getLeading();
        }/*from   w w w.  j a  va  2 s .  c  o  m*/
        return y - coords[1];
    } else {
        graphics.drawString(text, (float) (r.getCenterX() + 2 - textBounds.getCenterX()),
                (float) (coords[1] + textBounds.getHeight() + hOffset));
        return (int) (textBounds.getHeight() + hOffset + 3);
    }
}