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小試大刀(Border:我也能這么漂亮!!!)

第一.當(dāng)然是效果圖啦;

package ImageBorder;

import java.awt.Graphics;

import java.awt.image.BufferedImage;

import java.awt.*;

import javax.swing.border.AbstractBorder;

public class ImageBorder extends AbstractBorder {

Image top_center, top_left, top_right;

Image left_center, right_center;

Image bottom_center, bottom_left, bottom_right;

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.top_left = top_left;

this.top_center = top_center;

this.top_right = top_right;

this.left_center = left_center;

this.right_center = right_center;

this.bottom_left = bottom_left;

this.bottom_center = bottom_center;

this.bottom_right = bottom_right;

}

public void setInsets(Insets insets) {

this.insets = insets;

}

public Insets getBorderInsets(Component c) {

if(insets != null) {

return insets;

} else {

return new Insets(top_center.getHeight(null),left_center.getWidth(null),

bottom_center.getHeight(null), right_center.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 = top_left.getWidth(null);

int tlh = top_left.getHeight(null);

int tcw = top_center.getWidth(null);

int tch = top_center.getHeight(null);

int trw = top_right.getWidth(null);

int trh = top_right.getHeight(null);

int lcw = left_center.getWidth(null);

int lch = left_center.getHeight(null);

int rcw = right_center.getWidth(null);

int rch = right_center.getHeight(null);

int blw = bottom_left.getWidth(null);

int blh = bottom_left.getHeight(null);

int bcw = bottom_center.getWidth(null);

int bch = bottom_center.getHeight(null);

int brw = bottom_right.getWidth(null);

int brh = bottom_right.getHeight(null);

fillTexture(g2,top_left, x,

y, tlw, tlh);

fillTexture(g2,top_center, x+tlw,

y, width-tlw-trw, tch);

fillTexture(g2,top_right, x+width-trw, y, trw, trh);

fillTexture(g2,left_center, x, y+tlh, lcw, height-tlh-blh);

fillTexture(g2,right_center, x+width-rcw, y+trh, rcw, height-trh-brh);

fillTexture(g2,bottom_left, x, y+height-blh, blw, blh);

fillTexture(g2,bottom_center, x+blw, y+height-bch, width-blw-brw, bch);

fillTexture(g2,bottom_right, 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;

}

Main;

package ImageBorder;

import java.awt.*;

import java.awt.image.BufferedImage;

import javax.swing.*;

import javax.swing.border.*;

public class ImageBorderDemo {

public static void main(String[] args) {

JFrame frame = new JFrame("照片邊框");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

JPanel panel = new JPanel();

JButton button = new JButton("這里放個美女就更好看了");

panel.add(button)

ImageBorder image_border = new ImageBorder(

new ImageIcon("images/upper_left.png").getImage(),

new ImageIcon("images/upper.png").getImage(),

new ImageIcon("images/upper_right.png").getImage(),

new ImageIcon("images/left_center.png").getImage(),

new ImageIcon("images/right_center.png").getImage(),

new ImageIcon("images/bottom_left.png").getImage(),

new ImageIcon("images/bottom_center.png").getImage(),

new ImageIcon("images/bottom_right.png").getImage()

);

panel.setBorder(image_border);

frame.getContentPane().add(panel);

frame.pack();

//frame.setSize(200,200);

frame.setVisible(true);

}

posted on 2008-05-26 14:20 相信閱讀(887) 評論(0) 編輯收藏所屬分類: Swing文章

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