1 /**
 2  * 
 3  */
 4 package com.b510.image.client;
 5 
 6 import java.io.File;
 7 
 8 import com.b510.image.common.Common;
 9 import com.b510.image.util.ImageUtil;
10 import com.b510.image.util.TextUtil;
11 
12 /**
13  * This project is a tool for processing the image. <br>Including TWO functions :
14  * <li>Color image to converted black and white picture.
15  * <li>Imitating the original image to paint into the TXT file with alphabets.
16  * You can change the code according to your requirement.
17  * 
18  * @author Hongten
19  * @mail hongtenzone@foxmail.com
20  * @created Jul 23, 2014
21  */
22 public class Client {
23 
24     public static void main(String[] args) {
25         colorImage2BWPic();
26         painting();
27     }
28 
29     private static void painting() {
30         double[][] result = ImageUtil.getImageGRB(Common.ORIGINAL_IMAGE);
31         StringBuffer stringBuffer = ImageUtil.getCanvas(result);
32         TextUtil.write2File(stringBuffer);
33     }
34 
35     /**
36      * Color image to converted black and white picture.
37      */
38     private static void colorImage2BWPic() {
39         File input = new File(Common.ORIGINAL_IMAGE);
40         File out = new File(Common.PROCESSED_IMAGE);
41         ImageUtil.colorImage2BlackAndWhitePicture(input, out);
42     }
43 }

 1 /**
 2  * 
 3  */
 4 package com.b510.image.common;
 5 
 6 /**
 7  * @author Hongten
 8  * @created Jul 23, 2014
 9  */
10 public class Common {
11     
12     public static final String PATH = "src/com/b510/image/resources/";
13     
14     public static final String ORIGINAL_IMAGE = PATH + "original_image.png";
15     public static final String PROCESSED_IMAGE =  PATH + "processed_image.png";
16     
17     public static final String OUTPUT_TXT = PATH + "output.txt";
18 
19     public static final String PROCESSED_SUCCESS = "Processed successfully...";
20     public static final String PROCESS_ERROR = "Processing encounters error!";
21 
22     public static final String R = "R";
23     public static final String A = "A";
24     public static final String X = "X";
25     public static final String M = "M";
26     public static final String W = "W";
27     public static final String H = "H";
28     public static final String E = "E";
29     public static final String J = "J";
30     public static final String L = "L";
31     public static final String C = "C";
32     public static final String V = "V";
33     public static final String Z = "Z";
34     public static final String Q = "Q";
35     public static final String T = "T";
36     public static final String r = "r";
37     public static final String s = "s";
38     public static final String w = "w";
39     public static final String u = "u";
40     public static final String l = "l";
41     public static final String i = "i";
42     public static final String e = "e";
43     public static final String m = "m";
44     public static final String a = "a";
45     public static final String COMMA = ",";
46     public static final String BLANK = " ";
47     
48     public static final String NEW_LINE = "\n";
49 }

  1 /**
  2  * 
  3  */
  4 package com.b510.image.util;
  5 
  6 import java.awt.Image;
  7 import java.awt.color.ColorSpace;
  8 import java.awt.image.BufferedImage;
  9 import java.awt.image.ColorConvertOp;
 10 import java.io.File;
 11 import java.io.FileOutputStream;
 12 import java.io.IOException;
 13 
 14 import javax.imageio.ImageIO;
 15 
 16 import com.b510.image.common.Common;
 17 import com.sun.image.codec.jpeg.JPEGCodec;
 18 import com.sun.image.codec.jpeg.JPEGImageEncoder;
 19 
 20 /**
 21  * @author Hongten
 22  * @created Jul 23, 2014
 23  */
 24 public class ImageUtil {
 25 
 26     private static int height = 0;
 27     private static int width = 0;
 28 
 29     /**
 30      * Color image is converted to black and white picture.
 31      * @param input
 32      * @param out
 33      */
 34     public static void colorImage2BlackAndWhitePicture(File input, File out) {
 35         try {
 36             Image image = ImageIO.read(input);
 37             int srcH = image.getHeight(null);
 38             int srcW = image.getWidth(null);
 39             BufferedImage bufferedImage = new BufferedImage(srcW, srcH, BufferedImage.TYPE_3BYTE_BGR);
 40             bufferedImage.getGraphics().drawImage(image, 0, 0, srcW, srcH, null);
 41             bufferedImage = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null).filter(bufferedImage, null);
 42             FileOutputStream fos = new FileOutputStream(out);
 43             JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(fos);
 44             encoder.encode(bufferedImage);
 45             fos.close();
 46             System.out.println(Common.PROCESSED_SUCCESS);
 47         } catch (Exception e) {
 48             throw new IllegalStateException(Common.PROCESS_ERROR, e);
 49         }
 50     }
 51 
 52     /**
 53      * Get the image(*.jpg, *.png.etc) GRB value
 54      * @param filePath the original image path
 55      * @return
 56      */
 57     public static double[][] getImageGRB(String filePath) {
 58         File file = new File(filePath);
 59         double[][] result = null;
 60         if (!file.exists()) {
 61             return result;
 62         }
 63         try {
 64             BufferedImage bufImg = readImage(file);
 65             result = new double[height][width];
 66             for (int y = 0; y < height; y++) {
 67                 for (int x = 0; x < width; x++) {
 68                     double temp = Double.valueOf(bufImg.getRGB(x, y) & 0xFFFFFF);
 69                     result[y][x] = Math.floor(Math.cbrt(temp));
 70                 }
 71             }
 72         } catch (IOException e) {
 73             e.printStackTrace();
 74         }
 75         return result;
 76     }
 77 
 78     /**
 79      * Read the original image to convert BufferedImage
 80      * @param file Original image path
 81      * @return
 82      * @see BufferedImage
 83      * @throws IOException
 84      */
 85     private static BufferedImage readImage(File file) throws IOException {
 86         BufferedImage bufImg = ImageIO.read(file);
 87         height = bufImg.getHeight();
 88         width = bufImg.getWidth();
 89         return bufImg;
 90     }
 91     
 92     /**
 93      * Get the canvas, which is made up of alphabets.
 94      * @param result
 95      * @return
 96      */
 97     public static StringBuffer getCanvas(double[][] result) {
 98         StringBuffer stringBuffer = new StringBuffer();
 99         for (int y = 0; y < height; y++) {
100             for (int x = 0; x < width; x++) {
101                 fullBlank(result, stringBuffer, y, x);
102             }
103             stringBuffer.append(Common.NEW_LINE);
104         }
105         return new StringBuffer(stringBuffer.substring(0, stringBuffer.length() - 1));
106     }
107 
108     /**
109      * Full blank
110      * @param result
111      * @param stringBuffer
112      * @param y
113      * @param x
114      */
115     private static void fullBlank(double[][] result, StringBuffer stringBuffer, int y, int x) {
116         if (result[y][x] > 0.0 && result[y][x] < 168.0) {
117             fullBlackColor(result, stringBuffer, y, x);
118         } else if (result[y][x] >= 168.0 && result[y][x] < 212.0) {
119             fullGreyColor(result, stringBuffer, y, x);
120         } else {
121             fullWhiteColor(result, stringBuffer, y, x);
122         }
123     }
124 
125     /**
126      * Full black color, and you can change the alphabet if you need.
127      * @param result
128      * @param stringBuffer
129      * @param y
130      * @param x
131      */
132     private static void fullBlackColor(double[][] result, StringBuffer stringBuffer, int y, int x) {
133         if (result[y][x] > 0.0 && result[y][x] < 25.0) {
134             stringBuffer.append(Common.R);
135         } else if (result[y][x] >= 25.0 && result[y][x] < 50.0) {
136             stringBuffer.append(Common.R);
137         } else if (result[y][x] >= 50.0 && result[y][x] < 75.0) {
138             stringBuffer.append(Common.A);
139         } else if (result[y][x] >= 75.0 && result[y][x] < 100.0) {
140             stringBuffer.append(Common.X);
141         } else if (result[y][x] >= 100.0 && result[y][x] < 125.0) {
142             stringBuffer.append(Common.R);
143         } else if (result[y][x] >= 125.0 && result[y][x] < 150.0) {
144             stringBuffer.append(Common.A);
145         } else if (result[y][x] >= 150.0 && result[y][x] < 154.0) {
146             stringBuffer.append(Common.X);
147         } else if (result[y][x] >= 154.0 && result[y][x] < 158.0) {
148             stringBuffer.append(Common.M);
149         } else if (result[y][x] >= 158.0 && result[y][x] < 162.0) {
150             stringBuffer.append(Common.W);
151         } else if (result[y][x] >= 162.0 && result[y][x] < 168.0) {
152             stringBuffer.append(Common.M);
153         }
154     }
155 
156     /**
157      * Full grey color
158      * @param result
159      * @param stringBuffer
160      * @param y
161      * @param x
162      */
163     private static void fullGreyColor(double[][] result, StringBuffer stringBuffer, int y, int x) {
164         if (result[y][x] >= 168.0 && result[y][x] < 172.0) {
165             stringBuffer.append(Common.H);
166         } else if (result[y][x] >= 172.0 && result[y][x] < 176.0) {
167             stringBuffer.append(Common.E);
168         } else if (result[y][x] >= 176.0 && result[y][x] < 180.0) {
169             stringBuffer.append(Common.H);
170         } else if (result[y][x] >= 180.0 && result[y][x] < 184.0) {
171             stringBuffer.append(Common.H);
172         } else if (result[y][x] >= 184.0 && result[y][x] < 188.0) {
173             stringBuffer.append(Common.J);
174         } else if (result[y][x] >= 188.0 && result[y][x] < 192.0) {
175             stringBuffer.append(Common.L);
176         } else if (result[y][x] >= 192.0 && result[y][x] < 196.0) {
177             stringBuffer.append(Common.C);
178         } else if (result[y][x] >= 196.0 && result[y][x] < 200.0) {
179             stringBuffer.append(Common.V);
180         } else if (result[y][x] >= 200.0 && result[y][x] < 204.0) {
181             stringBuffer.append(Common.Z);
182         } else if (result[y][x] >= 204.0 && result[y][x] < 208.0) {
183             stringBuffer.append(Common.Q);
184         } else if (result[y][x] >= 208.0 && result[y][x] < 212.0) {
185             stringBuffer.append(Common.T);
186         }
187     }
188 
189     /**
190      * Full white color
191      * @param result
192      * @param stringBuffer
193      * @param y
194      * @param x
195      */
196     private static void fullWhiteColor(double[][] result, StringBuffer stringBuffer, int y, int x) {
197         if (result[y][x] >= 212.0 && result[y][x] < 216.0) {
198             stringBuffer.append(Common.r);
199         } else if (result[y][x] >= 216.0 && result[y][x] < 220.0) {
200             stringBuffer.append(Common.s);
201         } else if (result[y][x] >= 220.0 && result[y][x] < 224.0) {
202             stringBuffer.append(Common.w);
203         } else if (result[y][x] >= 224.0 && result[y][x] < 228.0) {
204             stringBuffer.append(Common.u);
205         } else if (result[y][x] >= 228.0 && result[y][x] < 232.0) {
206             stringBuffer.append(Common.l);
207         } else if (result[y][x] >= 232.0 && result[y][x] < 236.0) {
208             stringBuffer.append(Common.i);
209         } else if (result[y][x] >= 236.0 && result[y][x] < 240.0) {
210             stringBuffer.append(Common.e);
211         } else if (result[y][x] >= 240.0 && result[y][x] < 244.0) {
212             stringBuffer.append(Common.COMMA);
213         } else if (result[y][x] >= 244.0 && result[y][x] < 248.0) {
214             stringBuffer.append(Common.m);
215         } else if (result[y][x] >= 248.0 && result[y][x] < 252.0) {
216             stringBuffer.append(Common.a);
217         } else if (result[y][x] >= 252.0 && result[y][x] < 257.0) {
218             stringBuffer.append(Common.BLANK);
219         }
220     }
221 }

 1 /**
 2  * 
 3  */
 4 package com.b510.image.util;
 5 
 6 import java.io.BufferedWriter;
 7 import java.io.File;
 8 import java.io.FileWriter;
 9 import java.io.IOException;
10 
11 import com.b510.image.common.Common;
12 
13 /**
14  * @author Hongten
15  * @created Jul 23, 2014
16  */
17 /**
18  * @author Hongten
19  * @created 2014-7-26
20  */
21 public class TextUtil {
22 
23     /**
24      * Write the string to file.
25      * @param stringBuffer
26      */
27     public static void write2File(StringBuffer stringBuffer) {
28         File f = new File(Common.OUTPUT_TXT);
29         BufferedWriter output = null;
30         try {
31             output = new BufferedWriter(new FileWriter(f));
32             output.write(stringBuffer.toString());
33             output.close();
34         } catch (IOException e) {
35             e.printStackTrace();
36         }
37     }
38 }