Java Swing 扁平化的聊天程序源码

/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package com.oim.common.util; import java.awt.AlphaComposite; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Font; import java.awt.Graphics2D; import java.awt.GraphicsConfiguration; import java.awt.GraphicsDevice; import java.awt.GraphicsEnvironment; import java.awt.HeadlessException; import java.awt.Image; import java.awt.RenderingHints; import java.awt.Shape; import java.awt.Toolkit; import java.awt.Transparency; import java.awt.geom.AffineTransform; import java.awt.geom.RoundRectangle2D; import java.awt.image.AffineTransformOp; import java.awt.image.BufferedImage; import java.awt.image.ConvolveOp; import java.awt.image.Kernel; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.util.logging.Level; import java.util.logging.Logger; import javax.imageio.ImageIO; import javax.swing.Icon; import javax.swing.ImageIcon; /** * * @author Hero */ public class ImageUtil { public static ImageIcon getImageIconByPath(String imagePath, int w, int h) { ImageIcon imageIcon = null; if (!"".equals(imagePath)) { imageIcon = getImageIcon(imagePath); if (null != imageIcon) { int width = imageIcon.getIconWidth(); int height = imageIcon.getIconHeight(); float xbili = (float) ((w * 1.0) / width); float ybili = (float) ((h * 1.0) / height); float bili = xbili > ybili ? ybili : xbili; int newwidth = (int) (width * bili); int newheight = (int) (height * bili); Image image = getImage(imagePath, newwidth, newheight); imageIcon.setImage(image); } } return imageIcon; } public static Image getImage(String path) { return Toolkit.getDefaultToolkit().getImage(path); } public static Image getImage(String path, int w, int h) { Image image = getImage(path); if (null != image) { image = image.getScaledInstance(w, h, Image.SCALE_SMOOTH); } return image; } public static Icon getIcon(String path) { return getImageIcon(path); } public static Icon getIcon(String path, int w, int h) { return getImageIcon(path, w, h); } public static ImageIcon getImageIcon(String path) { Image image = getImage(path); if (null != image) { return new ImageIcon(image); } return null; } public static ImageIcon getImageIcon(String path, int w, int h) { Image image = getImage(path, w, h); if (null != image) { return new ImageIcon(image); } return null; } public static Image getRoundedCornerImage(String imagePath, int width, int height, int cornersWidth, int cornerHeight) { Image image = getRoundedCornerBufferedImage(imagePath, width, height, cornersWidth, cornerHeight); return image; } public static Icon getRoundedCornerIcon(String imagePath, int width, int height, int cornersWidth, int cornerHeight) { return getRoundedCornerImageIcon(imagePath, width, height, cornersWidth, cornerHeight); } public static ImageIcon getRoundedCornerImageIcon(String imagePath, int width, int height, int cornersWidth, int cornerHeight) { BufferedImage image = getRoundedCornerBufferedImage(imagePath, width, height, cornersWidth, cornerHeight); if (null == image) { return null; } ImageIcon icon = new ImageIcon(); icon.setImage(image); return icon; } public static BufferedImage getRoundedCornerBufferedImage(String imagePath, int width, int height, int cornersWidth, int cornerHeight) { try { File imageFile = new File(imagePath); if (imageFile.exists()) { BufferedImage image = ImageIO.read(imageFile); // BufferedImage) // Toolkit.getDefaultToolkit().getImage(imagePath); int w = image.getWidth(); int h = image.getHeight(); if (0 != width && 0 < width) { w = width; } if (0 != height && 0 < height) { h = height; } BufferedImage output = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB); Graphics2D g2 = output.createGraphics(); g2.setComposite(AlphaComposite.Src); g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); // g2.setColor(new Color(0,0,0)); // g2.setBackground(Color); g2.setStroke(new BasicStroke(1)); g2.fillRoundRect(0, 0, w, h, cornersWidth, cornerHeight); // g2.setComposite(AlphaComposite.Src); // g2.fill(new RoundRectangle2D.Float(0, 0, w, h, cornersWidth, // cornerHeight)); g2.setComposite(AlphaComposite.SrcAtop); // g2.setColor(Color.white);//这里设置背景颜色 // g2.fillRect(0, 0, w, h);//这里填充背景颜色 g2.drawImage(image, 0, 0, w, h, null); g2.dispose(); return output; } } catch (IOException ex) { Logger.getLogger(ImageUtil.class.getName()).log(Level.SEVERE, null, ex); } return null; } public static Image getRoundedCornerImage(Image image, int width, int height, int cornersWidth, int cornerHeight) { return getRoundedCornerBufferedImage(imageToBufferImage(image), width, height, cornersWidth, cornerHeight); } public static Icon getRoundedCornerIcon(Image image, int width, int height, int cornersWidth, int cornerHeight) { return getRoundedCornerImageIcon(imageToBufferImage(image), width, height, cornersWidth, cornerHeight); } public static ImageIcon getRoundedCornerImageIcon(Image image, int width, int height, int cornersWidth, int cornerHeight) { BufferedImage bufferedImage = getRoundedCornerBufferedImage(imageToBufferImage(image), width, height, cornersWidth, cornerHeight); if (null == bufferedImage) { return null; } ImageIcon icon = new ImageIcon(); icon.setImage(bufferedImage); return icon; } public static BufferedImage getRoundedCornerBufferedImage(BufferedImage image, int width, int height, int cornersWidth, int cornerHeight) { int w = image.getWidth(); int h = image.getHeight(); if (0 != width && 0 < width) { w = width; } if (0 != height && 0 < height) { h = height; } BufferedImage output = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB); Graphics2D g2 = output.createGraphics(); g2.setComposite(AlphaComposite.Src); g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); // g2.setColor(new Color(0,0,0)); // g2.setBackground(Color); g2.setStroke(new BasicStroke(1)); g2.fillRoundRect(0, 0, w, h, cornersWidth, cornerHeight); // g2.setComposite(AlphaComposite.Src); // g2.fill(new RoundRectangle2D.Float(0, 0, w, h, cornersWidth, // cornerHeight)); g2.setComposite(AlphaComposite.SrcAtop); // g2.setColor(Color.white);//这里设置背景颜色 // g2.fillRect(0, 0, w, h);//这里填充背景颜色 g2.drawImage(image, 0, 0, w, h, null); g2.dispose(); return output; } public static BufferedImage imageToBufferImage(Image image) { BufferedImage bimage = null; GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); try { // int transparency = Transparency.OPAQUE; int transparency = Transparency.TRANSLUCENT; GraphicsDevice gs = ge.getDefaultScreenDevice(); GraphicsConfiguration gc = gs.getDefaultConfiguration(); bimage = gc.createCompatibleImage(image.getWidth(null), image.getHeight(null), transparency); } catch (HeadlessException e) { return bimage; } if (bimage == null) { int type = BufferedImage.TYPE_INT_RGB; bimage = new BufferedImage(image.getWidth(null), image.getHeight(null), type); } // Graphics g = bimage.createGraphics(); // g.drawImage(image, 0, 0, null); // g.dispose(); return bimage; } public static BufferedImage getBufferedImage(String image, int alpha) { if (null != image && !"".equals(image)) { BufferedImage bufferedImage = null; FileInputStream stream =null; try