Java BufferedImage Height Get getHeight(BufferedImage image, int x, int y)

Description

This method returns the height represented by the specified pixel in the given texture.

License

Open Source License

Parameter

Parameter	Description
image	the height-map texture
x	pixel's X coordinate
y	pixel's Y coordinate

Return

height reprezented by the given texture in the specified location

Declaration

private static int getHeight(BufferedImage image, int x, int y) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.awt.image.BufferedImage;

public class Main {
    /**/*from   w w w.  ja  va2  s  .  com*/
     * This method returns the height represented by the specified pixel in the
     * given texture. The given texture should be a height-map.
     * 
     * @param image
     *            the height-map texture
     * @param x
     *            pixel's X coordinate
     * @param y
     *            pixel's Y coordinate
     * @return height reprezented by the given texture in the specified location
     */
    private static int getHeight(BufferedImage image, int x, int y) {
        if (x < 0) {
            x = 0;
        } else if (x >= image.getWidth()) {
            x = image.getWidth() - 1;
        }
        if (y < 0) {
            y = 0;
        } else if (y >= image.getHeight()) {
            y = image.getHeight() - 1;
        }
        return image.getRGB(x, y) & 0xff;
    }
}

Related

1. getHeight(BufferedImage image)
2. getHeight(File file)