Mega Code Archive
Subclass AbstractBorder to create Image Border
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import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.TexturePaint;
import java.awt.image.BufferedImage;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.AbstractBorder;
public class ImageBorderHack {
public static void main(String[] args) {
JFrame frame = new JFrame("Hack #59: Image Border");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel panel = new JPanel();
JButton button = new JButton("Image Border Test");
panel.add(button);
ImageBorder image_border = new ImageBorder(new ImageIcon("upperLeft.png").getImage(),
new ImageIcon("upper.png").getImage(), new ImageIcon("upperRight.png")
.getImage(),
new ImageIcon("leftCenter.png").getImage(),
new ImageIcon("rightCenter.png").getImage(),
new ImageIcon("bottomLeft.png").getImage(), new ImageIcon(
"bottomCenter.png").getImage(), new ImageIcon("bottomRight.png")
.getImage());
panel.setBorder(image_border);
frame.getContentPane().add(panel);
frame.pack();
// frame.setSize(200,200);
frame.setVisible(true);
}
}
class ImageBorder extends AbstractBorder {
Image topCenterImage, topLeftImage, topRight;
Image leftCenterImage, rightCenterImage;
Image bottomCenterImage, bottomLeftImage, bottomRightImage;
Insets insets;
public ImageBorder(Image top_left, Image top_center, Image top_right, Image left_center,
Image right_center, Image bottom_left, Image bottom_center, Image bottom_right) {
this.topLeftImage = top_left;
this.topCenterImage = top_center;
this.topRight = top_right;
this.leftCenterImage = left_center;
this.rightCenterImage = right_center;
this.bottomLeftImage = bottom_left;
this.bottomCenterImage = bottom_center;
this.bottomRightImage = bottom_right;
}
public void setInsets(Insets insets) {
this.insets = insets;
}
public Insets getBorderInsets(Component c) {
if (insets != null) {
return insets;
} else {
return new Insets(topCenterImage.getHeight(null), leftCenterImage.getWidth(null), bottomCenterImage
.getHeight(null), rightCenterImage.getWidth(null));
}
}
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
g.setColor(Color.white);
g.fillRect(x, y, width, height);
Graphics2D g2 = (Graphics2D) g;
int tlw = topLeftImage.getWidth(null);
int tlh = topLeftImage.getHeight(null);
int tcw = topCenterImage.getWidth(null);
int tch = topCenterImage.getHeight(null);
int trw = topRight.getWidth(null);
int trh = topRight.getHeight(null);
int lcw = leftCenterImage.getWidth(null);
int lch = leftCenterImage.getHeight(null);
int rcw = rightCenterImage.getWidth(null);
int rch = rightCenterImage.getHeight(null);
int blw = bottomLeftImage.getWidth(null);
int blh = bottomLeftImage.getHeight(null);
int bcw = bottomCenterImage.getWidth(null);
int bch = bottomCenterImage.getHeight(null);
int brw = bottomRightImage.getWidth(null);
int brh = bottomRightImage.getHeight(null);
fillTexture(g2, topLeftImage, x, y, tlw, tlh);
fillTexture(g2, topCenterImage, x + tlw, y, width - tlw - trw, tch);
fillTexture(g2, topRight, x + width - trw, y, trw, trh);
fillTexture(g2, leftCenterImage, x, y + tlh, lcw, height - tlh - blh);
fillTexture(g2, rightCenterImage, x + width - rcw, y + trh, rcw, height - trh - brh);
fillTexture(g2, bottomLeftImage, x, y + height - blh, blw, blh);
fillTexture(g2, bottomCenterImage, x + blw, y + height - bch, width - blw - brw, bch);
fillTexture(g2, bottomRightImage, x + width - brw, y + height - brh, brw, brh);
}
public void fillTexture(Graphics2D g2, Image img, int x, int y, int w, int h) {
BufferedImage buff = createBufferedImage(img);
Rectangle anchor = new Rectangle(x, y, img.getWidth(null), img.getHeight(null));
TexturePaint paint = new TexturePaint(buff, anchor);
g2.setPaint(paint);
g2.fillRect(x, y, w, h);
}
public BufferedImage createBufferedImage(Image img) {
BufferedImage buff = new BufferedImage(img.getWidth(null), img.getHeight(null),
BufferedImage.TYPE_INT_ARGB);
Graphics gfx = buff.createGraphics();
gfx.drawImage(img, 0, 0, null);
gfx.dispose();
return buff;
}
}
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