Example usage for javafx.geometry Rectangle2D getMaxY

Introduction

In this page you can find the example usage for javafx.geometry Rectangle2D getMaxY.

Prototype

public double getMaxY() 

Source Link

Document

The y coordinate of the lower-right corner of this Rectangle2D .

Usage

From source file:qupath.lib.gui.plots.ScatterPlot.java

public void drawPlot(GraphicsContext g, Rectangle2D region, int maxPoints) {

    g.save();//from  ww w .  ja v  a2 s  .  com

    g.beginPath();
    g.moveTo(region.getMinX(), region.getMinY());
    g.lineTo(region.getMaxX(), region.getMinY());
    g.lineTo(region.getMaxX(), region.getMaxY());
    g.lineTo(region.getMinX(), region.getMaxY());
    g.closePath();
    g.clip();

    //      int pad = 10;
    double scaleX = region.getWidth() / (maxX - minX);
    double scaleY = region.getHeight() / (maxY - minY);

    g.setLineWidth(1.5f);

    //      g.setStroke(javafx.scene.paint.Color.GRAY);
    //      g.strokeRect(region.getX(), region.getY(), region.getWidth(), region.getHeight());

    g.translate(region.getMinX(), region.getMinY());

    //      g2d.drawLine(0, 0, 0, region.height);
    //      g2d.drawLine(0, region.height, region.width, region.height);

    double increment;
    if (maxPoints < 0 || x.length <= maxPoints)
        increment = 1;
    else
        increment = (double) x.length / maxPoints;

    for (double i = 0; i < x.length; i += increment) {
        int ind = (int) i;
        double xx = x[ind];
        double yy = y[ind];
        //         // Skip if out of range
        //         if (xx < minX || xx > maxX || yy < minY || yy > maxY)
        //            continue;

        double xo = (xx - minX) * scaleX - markerSize / 2;
        double yo = region.getHeight() - (yy - minY) * scaleY - markerSize / 2;

        Color cDraw = colorDraw == null ? null : colorDraw[ind];
        if (fillMarkers) {
            Color cFill = colorFill[ind] == null ? cDraw : colorFill[ind];
            if (cFill != null) {
                g.setFill(cFill);
                g.fillOval(xo, yo, markerSize, markerSize);
                // Don't need to draw if it would be the same color anyway
                if (cFill == cDraw)
                    continue;
            }
        }
        if (cDraw != null) {
            g.setStroke(cDraw);
            g.strokeOval(xo, yo, markerSize, markerSize);
        }
    }

    g.restore();
}

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