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Object Automation library
There is a newer version: 3.7.10
/*  Copyright 1999 Vince Via [email protected]
    Licensed 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.
*/
package com.viaoa.image;

import javax.swing.*;
import java.awt.*;

/**
 * Creates a 3D looking button Image
 * @author vvia
 *
 */
public class OAButtonImage implements java.io.Serializable {
    JPanel panel;
    float incDither = 0.0125f;  // amount to brighten color, from center to outer edges
    
    void drawButton(Graphics graphics, int width, int height, Color centerColor, Font font, Color fontColor, String text) {
        Graphics2D g = (Graphics2D) graphics;


        g.setColor(centerColor);
        float[] fs = new float[3];
        Color.RGBtoHSB(centerColor.getRed(), centerColor.getGreen(), centerColor.getBlue(), fs);

        float H = fs[0];
        float S = fs[1]; 
        float B = fs[2];

        int i = height/2;
        int j = i;


        int code;
        for ( ; i>2; i--, j++) {
            code = Color.HSBtoRGB(H,S,B);
            // code = code & 0x00FFFFFF; // clean up to byte
            
            g.setColor(new Color(code) );
            g.drawLine(0, i, width, i);
            if (j != i) g.drawLine(0, j, width, j);
            
            B += incDither;
            
            if (B > 1.0f) {
                B = 1.0f;
                S -= incDither;
                if (S < 0.0f) S = 0.0f;
            }
        }


        // Borders
        S =  fs[1] - (fs[1] / 2);
        B =  fs[2] + ((1.0f - fs[2]) / 2);

        float incS =  S / 4;
        float incB = (1.0f - B) / 4;
        
        for ( ; i>=0; i--) {
            code = Color.HSBtoRGB(H,S,B);
            // code = code & 0x00FFFFFF;
            g.setColor(new Color(code) );
            g.drawLine(0, i, width, i);

            B += incB;
            S -= incS;
        }


        S = fs[1];
        B = fs[2] - ((fs[2]) / 4);

        incB = B / 4;
        
        for (i=0; i<3; i++,j++) {
            code = Color.HSBtoRGB(H,S,B);
            // code = code & 0x00FFFFFF;
            g.setColor(new Color(code) );
            g.drawLine(0, j, width, j);

            B -= incB;
        }

        if (font != null) g.setFont(font);
        FontMetrics fm = g.getFontMetrics();
        
        int w = fm.stringWidth(text);
        int h = fm.getHeight();
        
        
        int x = (width/2) - (w/2);
        int y = (height/2) + (h/2);
        y -= fm.getDescent();
        
        g.setColor(fontColor);
        g.drawString(text, x, y);

    }
    
/***    
    void setup() {
        panel = new JPanel() {
            public void paint(Graphics g) {

                Font font = this.getFont();
                font = new Font(font.getFamily(), Font.BOLD, 16);

                FontMetrics fm = this.getFontMetrics(font);
                String text = "Items & Catalogs";
                int w = fm.stringWidth(text) + 5;

                drawButton(g, w, 32, new Color(163,0,0), font, new Color(255,255,255), text);
                // drawButton(g, w, 32, new Color(42,44,51), font, new Color(255,204,51), text);
            }
        };    
        this.getContentPane().setLayout(new BorderLayout());
        this.getContentPane().add(panel);
    }



    public static void main(String[] argv) {
        ImageGenerator ig = new ImageGenerator();
        ig.setup();
        ig.setSize(new Dimension(500, 500));
        ig.setLocation(new Point(300, 20));
        ig.setVisible(true);
        ig.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });


/! COMMENT START
        String[] names = new String[] {"clientProgram","itemsCatalogs","orders","home","" };
        String[] texts = new String[] {"Clients/Programs","Items/Catalogs","Orders","Home","" };
        int h = 32;        
        int fontSize = 16;
        int gap = 12;
COMMENT END!/
        String[] names = new String[] { "catalog","item","manufactor","vendor","repGroup","itemOptionType" };
        String[] texts = new String[] { "catalogs","items","manufactors","vendors","rep groups"," item option types" };
        
        int h = 16;
        int fontSize = 10;
        int gap = 5;

        Font font = ig.getFont();
        font = new Font(font.getFamily(), Font.BOLD, fontSize);

        for (int i=0; i