ResizableCanvas.java

package xplayer.visualizer.model;

import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.paint.Color;

/** A resizable canvas which is resizing on it's parent width without the need of bindings
 * @author GOXR3PLUS
 *
 */
public class ResizableCanvas extends Canvas {

    /** The Graphics Context 2D of the canvas */
    public final GraphicsContext gc = getGraphicsContext2D();

    /**
     * Redraw the Canvas
     */
    @SuppressWarnings("unused")
    private void draw() {

        System.out.println(" Real Canvas Width is:" + getWidth() + " , Real Canvas Height is:" + getHeight() + "\n");

        gc.clearRect(0, 0, getWidth(), getHeight());

        gc.setStroke(Color.RED);
        gc.strokeLine(0, 0, getWidth(), getHeight());
        gc.strokeLine(0, getHeight(), getWidth(), 0);
    }

    @Override
    public double minHeight(double width) {
        return 1;
    }

    @Override
    public double minWidth(double height) {
        return 1;
    }

    @Override
    public double prefWidth(double width) {
        return minWidth(width);
    }

    @Override
    public double prefHeight(double width) {
        return minHeight(width);
    }

    @Override
    public double maxWidth(double height) {
        return Double.MAX_VALUE;
    }

    @Override
    public double maxHeight(double width) {
        return Double.MAX_VALUE;
    }

    @Override
    public boolean isResizable() {
        return true;
    }

    @Override
    public void resize(double width, double height) {
        super.setWidth(width);
        super.setHeight(height);

        // This is for testing...
        // draw()

        // System.out.println("Resize method called...")
    }
}