java游戏之GIF转字符GIF

package yumo.game; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.lang.reflect.Type; import java.util.Iterator; import javax.imageio.ImageIO; import javax.imageio.ImageReader; import javax.imageio.stream.ImageInputStream; import javax.swing.JTextArea; public class ImgToCharacter { private static BufferedImage[] realImgs; private static BufferedImage[] charImgs; private static int size = 4; private static String[] chars= {" ",".",":",";","-","~","1","i","o","r","a", "2","c","3","b","n","q","k","x","S","X", "7","Z","O","8","#","$","%","&","M","B", "W","@","@"}; public static void draw() { int interval = 16777215 / (chars.length-1) ; BufferedImage oneRealImg = null; int index = 0; while(index < realImgs.length) { oneRealImg = realImgs[index]; int width = oneRealImg.getWidth(); int height = oneRealImg.getHeight(); BufferedImage oneCharImg = new BufferedImage(width*3, height*3,BufferedImage.TYPE_INT_RGB); Graphics g = oneCharImg.getGraphics(); g.setColor(Color.WHITE); g.fillRect(0, 0, oneCharImg.getWidth(), oneCharImg.getHeight()); g.setColor(Color.BLACK); g.setFont(new Font("黑体", Font.BOLD, 15)); for(int i= 0 ; i < height ; i+=size){ for(int j = 0 ; j < width; j+=size){ int rgb = getAvgRGB(j, i, oneRealImg); int k = rgb/interval; g.drawString(chars[k], 12*j/size, 12*i/size); } } g.dispose(); charImgs[index] = oneCharImg; index++; } } public static void readGiF() { try { File f = new File(Client.input); String name = f.getName(); String suffix = name.substring(name.lastIndexOf('.')+1); Iterator<ImageReader> iter = ImageIO.getImageReadersBySuffix(suffix); ImageReader reader = iter.next(); ImageInputStream imageIn; imageIn = ImageIO.createImageInputStream(f); reader.setInput(imageIn); int count = reader.getNumImages(true); realImgs = new BufferedImage[count]; charImgs = new BufferedImage[count]; for(int i=0; i< count; i++) { realImgs[i] = reader.read(i); } } catch (IOException e) { e.printStackTrace(); } } public static BufferedImage[] getCharImgs() { return charImgs; } public static int getAvgRGB(int i, int j, BufferedImage img) { int result = 0; for(int m=0; m<size; m++) { for(int n=0; n<size; n++) { if(i+m < img.getWidth() && j+n < img.getHeight()) result += img.getRGB(i+m, j+n); } } return Math.abs(result) / (size*size); } }