Java JButton getScrollStroke(final JButton _jlbl_stroke)

Description

Apply stroke on background.

License

Apache License

Parameter

Parameter	Description
_jlbl_stroke	the background carrying item.

Declaration

public static void getScrollStroke(final JButton _jlbl_stroke) 

Method Source Code

//package com.java2s;
/*//from   w w  w  . j  ava  2s  . c  om
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.awt.Color;

import java.awt.IllegalComponentStateException;

import java.awt.image.BufferedImage;

import javax.swing.ImageIcon;
import javax.swing.JButton;

public class Main {
    /**
      * Apply stroke on background.
      * @param _jlbl_stroke the background carrying item.
      */
    public static void getScrollStroke(final JButton _jlbl_stroke) {

        final int strokeDistance = 10;
        if (_jlbl_stroke.getWidth() > 0 && _jlbl_stroke.getHeight() > 0) {
            BufferedImage bi_stroke = new BufferedImage(_jlbl_stroke.getWidth(), _jlbl_stroke.getHeight(),
                    BufferedImage.TYPE_INT_ARGB);

            for (int x = 0; x < bi_stroke.getWidth(); x++) {

                for (int y = 0; y < bi_stroke.getHeight(); y++) {

                    try {
                        if ((x + _jlbl_stroke.getLocationOnScreen().x - y - _jlbl_stroke.getLocationOnScreen().y)
                                % strokeDistance == 0
                        //                           ||  (x + jlbl_stroke.getLocationOnScreen().x
                        //                              + y + jlbl_stroke.getLocationOnScreen().y) 
                        //                                 % strokeDistance == 0
                        ) {

                            bi_stroke.setRGB(x, y, Color.lightGray.getRGB());
                        } else {

                            final int rb = 255;
                            final int g = 250;
                            bi_stroke.setRGB(x, y, new Color(rb, g, rb).getRGB());
                        }
                    } catch (IllegalComponentStateException e) {
                        x = bi_stroke.getWidth();
                        y = bi_stroke.getHeight();
                    }

                }
            }
            _jlbl_stroke.setIcon(new ImageIcon(bi_stroke));
        }

    }
}

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