以图片填充边框代码,Java代码库,德仔网

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【Java】以图片填充边框
作者:DDT / 发布于2012/5/26/ 534
<div>public class ImageBorder extends AbstractBorder {</div>
<div>Image top_center, top_left, top_right;
Image left_center, right_center;
Image bottom_center, bottom_left, bottom_right;
Insets insets;</div>
<div>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) {</div>
<div>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;
}
<div>public void setInsets(Insets insets) {
this.insets = insets;
}
<div>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));
}
}
<div>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;
}
<div>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);
}
<div>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);</div>
<div>Graphics2D g2 = (Graphics2D)g;</div>
<div>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);</div>
<div>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);
}
}
<div>public class ImageBorderHack {</div>
<div>public static void main(String[] args) {
JFrame frame = new JFrame("Hack #3: Fill Your Borders with Pretty
Pictures");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel panel = new JPanel();
JButton button = new JButton("Image Border Test");
panel.add(button);</div>
<div>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(),</div>
<div>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);</div>
<div>frame.getContentPane().add(panel);
frame.pack();
frame.setVisible(true);
}
<div>}
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