grayfilter.java

来自「这是linux下ssl vpn的实现程序」· Java 代码 · 共 22 行

JAVA
22
字号
package com.sshtools.ui.awt;

import java.awt.image.RGBImageFilter;

class GrayFilter
    extends RGBImageFilter {
  private int darkness = -5263441;

  GrayFilter() {
    canFilterIndexColorModel = true;
  }

  public GrayFilter(int darkness) {
    this();
    this.darkness = darkness;
  }

  public int filterRGB(int x, int y, int rgb) {
    return rgb & darkness;
  }
}

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