[29533] | 1 | <html>
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[29562] | 2 | <head>
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| 3 | </head>
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[29561] | 4 |
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[29562] | 5 |
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| 6 | <body>
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| 7 |
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| 8 | <div style="display: none;">
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| 9 |
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[29561] | 10 | <script>
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| 11 | // Set up a fallback position in case this page is accessed outside of a JSP context
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| 12 | // (i.e., the JSP blocks aren't executed)
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| 13 | var img_list = [ "Images/nz.gif" ];
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| 14 | </script>
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| 15 |
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[29533] | 16 | <%@ page import="java.io.*,java.util.*,java.awt.image.*,javax.imageio.*" %>
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| 17 |
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| 18 | <%!
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| 19 | public int GCD(int a, int b) {
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| 20 | if (b==0) return a;
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| 21 | return GCD(b,a%b);
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| 22 | }
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| 23 |
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| 24 | ArrayList<File> listFilesForFolder(final File folder, String matchExt) {
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| 25 | ArrayList<File> fileList = new ArrayList<File>();
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| 26 |
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| 27 | for (final File fileEntry : folder.listFiles()) {
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| 28 | if (fileEntry.isDirectory()) {
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| 29 | listFilesForFolder(fileEntry,matchExt);
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| 30 | } else {
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| 31 | if (fileEntry.getName().toLowerCase().endsWith(matchExt)) {
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| 32 | fileList.add(fileEntry);
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| 33 | }
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| 34 | }
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| 35 | }
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| 36 |
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| 37 | return fileList;
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| 38 | }
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| 39 |
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| 40 |
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| 41 |
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| 42 | public static Map<String, Integer> sortByComparator(Map<String, Integer> unsortMap)
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| 43 | {
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| 44 |
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| 45 | // Convert Map to List
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| 46 | List<Map.Entry<String, Integer>> list
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| 47 | = new LinkedList<Map.Entry<String, Integer>>(unsortMap.entrySet());
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| 48 |
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| 49 | // Sort list with comparator, to compare the Map values
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| 50 | Collections.sort(list, new Comparator<Map.Entry<String, Integer>>() {
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| 51 | public int compare(Map.Entry<String, Integer> o1,
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| 52 | Map.Entry<String, Integer> o2) {
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| 53 | return (o2.getValue()).compareTo(o1.getValue());
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| 54 | }
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| 55 | });
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| 56 |
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| 57 | // Convert sorted map back to a Map
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| 58 | Map<String, Integer> sortedMap = new LinkedHashMap<String, Integer>();
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| 59 | for (Iterator<Map.Entry<String, Integer>> it = list.iterator(); it.hasNext();) {
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| 60 | Map.Entry<String, Integer> entry = it.next();
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| 61 | sortedMap.put(entry.getKey(), entry.getValue());
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| 62 | }
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| 63 |
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| 64 | return sortedMap;
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| 65 | }
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| 66 | /*
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| 67 | public static void printMap(Map<String, Integer> map)
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| 68 | {
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| 69 | for (Map.Entry<String, Integer> entry : map.entrySet()) {
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| 70 | out.println("[Key] : " + entry.getKey()
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| 71 | + " [Value] : " + entry.getValue() + "br />");
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| 72 | }
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| 73 | }
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| 74 | */
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| 75 |
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| 76 |
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| 77 | %>
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| 78 |
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[29561] | 79 |
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[29533] | 80 | <%
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| 81 |
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| 82 | String docBase = getServletContext().getRealPath("/");
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| 83 | File similarityDir = new File(docBase,"similarity-2d");
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| 84 | File imagesDir = new File(similarityDir,"Images");
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| 85 |
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| 86 | ArrayList<File> imageFileList = listFilesForFolder(imagesDir,".gif");
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| 87 |
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| 88 | File imageUrlBase = new File("Images");
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| 89 |
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| 90 | String action = request.getParameter("action");
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| 91 |
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[29537] | 92 | if ((action != null) && action.equals("ratios")) {
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[29533] | 93 |
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| 94 | Map<String, Integer> ratioFreq = new HashMap<String, Integer>();
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| 95 | Map<String, ArrayList<File>> ratioList = new HashMap<String, ArrayList<File>>();
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| 96 |
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| 97 | for (final File fileEntry : imageFileList) {
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| 98 |
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| 99 | //out.println("flag " + fileEntry.getName());
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| 100 |
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| 101 | BufferedImage bimg = ImageIO.read(fileEntry);
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| 102 | int width = bimg.getWidth();
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| 103 | int height = bimg.getHeight();
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| 104 | int gcd = GCD(width,height);
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| 105 |
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| 106 | int gcd_width = width / gcd;
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| 107 | int gcd_height = height / gcd;
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| 108 | String ratioStr = gcd_width + ":" + gcd_height;
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| 109 |
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| 110 | if (!ratioFreq.containsKey(ratioStr)) {
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| 111 | ratioFreq.put(ratioStr,1);
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| 112 | ratioList.put(ratioStr,new ArrayList<File>());
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| 113 | }
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| 114 | else {
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| 115 | ratioFreq.put(ratioStr,ratioFreq.get(ratioStr)+1);
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| 116 | ratioList.get(ratioStr).add(fileEntry);
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| 117 | }
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| 118 |
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| 119 | //double ratio = (double)width/(double)height;
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| 120 |
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| 121 | //out.println(width + " x " + height + " ratio: " + ratioStr);
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| 122 | //out.println("<br/>");
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| 123 |
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| 124 |
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| 125 | }
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| 126 |
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| 127 | Map<String, Integer> sortedRatioFreq = sortByComparator(ratioFreq);
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| 128 | //printMap(sortedRatioFreq);
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| 129 | for (Map.Entry<String, Integer> entry : sortedRatioFreq.entrySet()) {
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| 130 | out.println("[Key] : " + entry.getKey()
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| 131 | + " [Value] : " + entry.getValue() + "<br />");
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| 132 | }
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| 133 |
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| 134 | /*
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| 135 | // Print out frequency counts
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| 136 | Iterator<String> keyIterator = ratioFreq.keySet().iterator();
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| 137 |
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| 138 | while (keyIterator.hasNext()){
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| 139 | String key = keyIterator.next();
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| 140 | Integer freq = ratioFreq.get(key);
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| 141 | out.println(key + ": " + freq + "<br />");
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| 142 | }
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| 143 | */
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| 144 |
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| 145 | }
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| 146 | else {
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[29561] | 147 | out.println("<script>");
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| 148 | out.println("var dynamic_img_list = [ ");
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| 149 | boolean first_entry = true;
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[29533] | 150 | for (final File fileEntry : imageFileList) {
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[29537] | 151 | String flagImageUrl = imageUrlBase + "/" + fileEntry.getName();
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[29533] | 152 |
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[29561] | 153 | //out.println("<img src=\"" + flagImageUrl + "\">");
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| 154 | if (first_entry) {
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| 155 | out.println("\"" + flagImageUrl + "\"");
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| 156 | first_entry = false;
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| 157 | }
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| 158 | else {
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| 159 | out.println(",\"" + flagImageUrl + "\"");
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| 160 | }
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| 161 | }
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| 162 | out.println("];");
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[29533] | 163 |
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[29561] | 164 | out.println("img_list = dynamic_img_list;");
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| 165 |
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| 166 | out.println("</script>");
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[29533] | 167 | }
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| 168 |
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| 169 |
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| 170 | %>
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| 171 |
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[29562] | 172 | </div>
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[29561] | 173 |
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| 174 | <script>
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| 175 |
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| 176 | var i;
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| 177 | for (i=0; i<img_list.length; i++) {
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| 178 | document.write("<img src=\"" + img_list[i] + "\" style=\"padding: 4px;\">\n");
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| 179 | }
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| 180 |
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| 181 | </script>
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| 182 |
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[29533] | 183 | </body>
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| 184 |
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[29537] | 185 | </html>
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