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1 package de.mpg.mpiwg.itgroup.digilib.digiImage;
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2
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3 import java.io.IOException;
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4 import java.io.InputStream;
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5 import java.net.MalformedURLException;
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6 import java.net.URL;
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7 import java.util.ArrayList;
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8 import java.util.Arrays;
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9 import java.util.HashMap;
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10 import java.util.List;
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11 import java.util.Map;
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12
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13 import org.apache.axiom.om.OMOutputFormat;
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14 import org.apache.axis2.databinding.types.soapencoding.Array;
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15 import org.apache.commons.lang.StringUtils;
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16 import org.eclipse.swt.SWT;
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17 import org.eclipse.swt.graphics.Image;
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18 import org.eclipse.swt.graphics.Point;
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19 import org.eclipse.swt.widgets.Composite;
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20 import org.eclipse.swt.widgets.Label;
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21
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22 import de.mpg.mpiwg.itgroup.digilib.manipulator.extensions.RectangleListener;
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23
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24
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25
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26
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27 public class DigiImage implements IDigiImage {
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28
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29 private static String[] omitIfNegativeArray = {"dw","dh","ddpi","ddpix","ddpiy"};
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30 private static List<String> omitIfNegative = Arrays.asList(omitIfNegativeArray);
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31
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32 private Label label;
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33 public Label getLabel() {
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34 return label;
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35 }
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36
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37 public void setLabel(Label label) {
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38 this.label = label;
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39 }
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40
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41 private URL url;
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42 private Composite parent;
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43 private String baseUrl="http://digilib.mpiwg-berlin.mpg.de/digitallibrary/servlet/Scaler";
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44 private DigiImageParameter dp;
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45
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46
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47 public DigiImage(Composite parent, int style, DigiImageParameter dp) {
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48 //super(parent,style);
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49 label = new Label(parent, style);
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50 this.parent = parent;
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51 this.dp=dp;
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52 try {
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53 setNewURL(createUrlFromParameter(dp));
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54 } catch (MalformedURLException e) {
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55 // TODO Auto-generated catch block
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56 e.printStackTrace();
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57 }
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58
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59 }
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60
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61 private void setNewURL(URL url) {
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62 this.url = url;
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63 // TODO Auto-generated constructor stub
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64
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65 InputStream is;
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66 try {
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67 is = url.openStream();
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68 } catch (IOException e) {
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69 // TODO Auto-generated catch block
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70 e.printStackTrace();
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71 return;
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72 }
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73 Image img = new Image(parent.getDisplay(),is);
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74 //Label label = new Label(parent, SWT.None);
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75 label.setImage(img);
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76
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77 label.setVisible(true);
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78 }
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79
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80
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81 public Composite getParent() {
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82 return parent;
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83 }
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84
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85
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86 private URL createUrlFromParameter(DigiImageParameter dp) throws MalformedURLException{
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87 URL url;
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88 Map<String,String> qa= new HashMap<String,String>();
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89
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90 setPm(qa,"fn",dp.getFn());
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91 setPm(qa,"pn",dp.getPn());
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92
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93 setPm(qa,"dw",dp.getDw());
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94 setPm(qa,"dh",dp.getDh());
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95
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96 setPm(qa,"wx",dp.getWx());
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97 setPm(qa,"wy",dp.getWy());
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98 setPm(qa,"ws",dp.getWs());
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99 setPm(qa,"ww",dp.getWw());
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100 setPm(qa,"wh",dp.getWh());
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101
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102
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103 setPm(qa,"mo",dp.getMo());
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104
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105 setPm(qa,"cont",dp.getCont());
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106 setPm(qa,"brgt",dp.getBrgt());
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107
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108 setPm(qa,"rot",dp.getRot());
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109
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110 setPm(qa,"rgba",dp.getRgba());
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111 setPm(qa,"rgbm",dp.getRgbm());
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112
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113 setPm(qa,"ddpi",dp.getDdpi());
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114 setPm(qa,"ddpix",dp.getDdpix());
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115 setPm(qa,"ddpiy",dp.getDdpiy());
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116
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117 List<String> queryArray = new ArrayList<String>();
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118 for(String key:qa.keySet()){
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119 queryArray.add(key+"="+qa.get(key));
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120 }
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121 String queryString = StringUtils.join(queryArray,"&");
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122
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123 String stringUrl=baseUrl+"?"+queryString;
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124 return new URL(stringUrl);
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125 }
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126
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127 private void setPm(Map<String, String> qa, String key, Object value){
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128 String v;
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129 if (String.class.isInstance(value)){
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130 v=(String)value;
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131 qa.put(key, v);
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132 } else if (Integer.class.isInstance(value)){
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133 if (!((Integer)value==-1 & omitIfNegative.indexOf(key)>-1)) { // nicht vernachlaessigen
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134 v=String.valueOf(value);
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135 qa.put(key, v);
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136 }
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137 } else {
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138 v=String.valueOf(value);
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139 qa.put(key, v);
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140 }
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141
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142 }
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143
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144 public DigiImageParameter getParameter() {
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145
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146 return dp;
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147 }
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148
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149 public void setParameter(DigiImageParameter dp) {
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150 this.dp=dp;
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151
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152 }
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153
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154 public void redraw(){
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155 try {
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156 setNewURL(createUrlFromParameter(dp));
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157 } catch (MalformedURLException e) {
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158 // TODO Auto-generated catch block
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159 e.printStackTrace();
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160 }
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161 }
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162
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163 private RectangleListener rectangleListener=null;
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164
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165 public RectangleListener getRectangleListener() {
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166 // TODO Auto-generated method stub
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167 return rectangleListener;
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168 }
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169
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170 public void setRectangleListener(RectangleListener rectangleListener) {
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171 this.rectangleListener = rectangleListener;
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172 }
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173
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174 }
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175
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176
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