Mercurial > hg > digilib-old

annotate common/src/main/java/digilib/image/ImageJobDescription.java @ 912:cbfc94584d3b

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reset imgSize in operations that change size.
author robcast
date Wed, 08 Jun 2011 17:49:01 +0200
parents 28d007673346
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 package digilib.image;
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2
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3 import java.awt.geom.AffineTransform;
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4 import java.awt.geom.Rectangle2D;
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5 import java.io.IOException;
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6
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7 import org.apache.log4j.Logger;
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8
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9 import digilib.image.DocuImage.ColorOp;
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10 import digilib.io.DocuDirCache;
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11 import digilib.io.DocuDirectory;
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12 import digilib.io.FileOpException;
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13 import digilib.io.FileOps;
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14 import digilib.io.FileOps.FileClass;
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15 import digilib.io.ImageInput;
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16 import digilib.io.ImageSet;
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17 import digilib.servlet.DigilibConfiguration;
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18 import digilib.util.ImageSize;
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19 import digilib.util.OptionsSet;
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20 import digilib.util.Parameter;
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21 import digilib.util.ParameterMap;
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22
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23 /**
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24 * A class for storing the set of parameters necessary for scaling images
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25 * with an ImageWorker.
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26 *
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27 * This contains the functionality formerly found in Scaler.processRequest(),
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28 * only factorized.
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29 *
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30 * @author cmielack, casties
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31 *
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32 */
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33
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34 public class ImageJobDescription extends ParameterMap {
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35
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36 DigilibConfiguration dlConfig = null;
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37 protected static Logger logger = Logger.getLogger("digilib.servlet");
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38
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39 ImageInput input = null;
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40 ImageSet imageSet = null;
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41 DocuDirectory fileDir = null;
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42 DocuImage docuImage = null;
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43 String filePath = null;
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44 ImageSize expectedSourceSize = null;
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45 Float scaleXY = null;
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46 Rectangle2D userImgArea = null;
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47 Rectangle2D outerUserImgArea = null;
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48 Boolean imageSendable = null;
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49 String mimeType = null;
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50 Integer paramDW = null;
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51 Integer paramDH = null;
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52
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53 /** create empty ImageJobDescription.
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54 * @param dlcfg
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55 */
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56 public ImageJobDescription(DigilibConfiguration dlcfg) {
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57 super(30);
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58 dlConfig = dlcfg;
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59 }
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60
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61
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62 /** set up Parameters
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63 * @see digilib.util.ParameterMap#initParams()
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64 */
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65 @Override
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66 protected void initParams() {
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67 // url of the page/document (second part)
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68 newParameter("fn", "", null, 's');
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69 // page number
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70 newParameter("pn", new Integer(1), null, 's');
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71 // width of client in pixels
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72 newParameter("dw", new Integer(0), null, 's');
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73 // height of client in pixels
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74 newParameter("dh", new Integer(0), null, 's');
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75 // left edge of image (float from 0 to 1)
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76 newParameter("wx", new Float(0), null, 's');
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77 // top edge in image (float from 0 to 1)
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78 newParameter("wy", new Float(0), null, 's');
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79 // width of image (float from 0 to 1)
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80 newParameter("ww", new Float(1), null, 's');
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81 // height of image (float from 0 to 1)
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82 newParameter("wh", new Float(1), null, 's');
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83 // scale factor
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84 newParameter("ws", new Float(1), null, 's');
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85 // special options like 'fit' for gifs
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86 newParameter("mo", this.options, null, 's');
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87 // rotation angle (degree)
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88 newParameter("rot", new Float(0), null, 's');
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89 // contrast enhancement factor
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90 newParameter("cont", new Float(0), null, 's');
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91 // brightness enhancement factor
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92 newParameter("brgt", new Float(0), null, 's');
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93 // color multiplicative factors
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94 newParameter("rgbm", "0/0/0", null, 's');
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95 // color additive factors
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96 newParameter("rgba", "0/0/0", null, 's');
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97 // display dpi resolution (total)
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98 newParameter("ddpi", new Float(0), null, 's');
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99 // display dpi X resolution
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100 newParameter("ddpix", new Float(0), null, 's');
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101 // display dpi Y resolution
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102 newParameter("ddpiy", new Float(0), null, 's');
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103 // scale factor for mo=ascale
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104 newParameter("scale", new Float(1), null, 's');
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105 // color conversion operation
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106 newParameter("colop", "", null, 's');
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107 }
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108
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109
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110 /* (non-Javadoc)
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111 * @see digilib.servlet.ParameterMap#initOptions()
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112 */
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113 @Override
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114 protected void initOptions() {
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115 String s = this.getAsString("mo");
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116 options = new OptionsSet(s);
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117 }
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118
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119
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120 /** Creates new ImageJobDescription by merging Parameters from another ParameterMap.
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121 * @param pm
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122 * @param dlcfg
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123 * @return
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124 */
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125 public static ImageJobDescription getInstance(ParameterMap pm, DigilibConfiguration dlcfg) {
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126 ImageJobDescription newMap = new ImageJobDescription(dlcfg);
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127 // add all params to this map
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128 newMap.params.putAll(pm.getParams());
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129 newMap.initOptions();
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130 return newMap;
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131 }
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132
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133
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134 /** Returns the mime-type (of the input).
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135 * @return
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136 * @throws IOException
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137 */
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138 public String getMimeType() throws IOException {
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139 if (mimeType == null) {
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140 input = getInput();
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141 mimeType = input.getMimetype();
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142 }
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143 return mimeType;
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144 }
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145
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146 /**
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147 * @param input the input to set
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148 */
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149 public void setInput(ImageInput input) {
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150 this.input = input;
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151 }
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152
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153
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154 /** Returns the ImageInput to use.
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155 * @return
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156 * @throws IOException
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157 */
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158 public ImageInput getInput() throws IOException {
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159 if(input == null){
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160 imageSet = getImageSet();
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161
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162 /* select a resolution */
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163 if (isHiresOnly()) {
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164 // get first element (= highest resolution)
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165 input = imageSet.getBiggest();
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166 } else if (isLoresOnly()) {
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167 // enforced lores uses next smaller resolution
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168 input = imageSet.getNextSmaller(getExpectedSourceSize());
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169 if (input == null) {
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170 // this is the smallest we have
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171 input = imageSet.getSmallest();
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172 }
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173 } else {
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174 // autores: use next higher resolution
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175 input = imageSet.getNextBigger(getExpectedSourceSize());
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176 if (input == null) {
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177 // this is the highest we have
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178 input = imageSet.getBiggest();
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179 }
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180 }
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181 if (input == null || input.getMimetype() == null) {
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182 throw new FileOpException("Unable to load "+input);
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183 }
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184 logger.info("Planning to load: " + input);
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185 }
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186 return input;
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187 }
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188
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189 /** Returns the DocuDirectory for the input (file).
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190 * @return
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191 * @throws FileOpException
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192 */
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193 public DocuDirectory getFileDirectory() throws FileOpException {
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194 if(fileDir == null){
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195 DocuDirCache dirCache = (DocuDirCache) dlConfig.getValue("servlet.dir.cache");
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196 String fp = getFilePath();
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197 fileDir = dirCache.getDirectory(fp);
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198 if (fileDir == null) {
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199 throw new FileOpException("Directory " + getFilePath() + " not found.");
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200 }
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201 }
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202 return fileDir;
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203 }
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204
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205 /** Returns the ImageSet to load.
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206 * @return
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207 * @throws FileOpException
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208 */
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209 public ImageSet getImageSet() throws FileOpException {
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210 if(imageSet==null){
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211 DocuDirCache dirCache = (DocuDirCache) dlConfig.getValue("servlet.dir.cache");
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212
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213 imageSet = (ImageSet) dirCache.getFile(getFilePath(), getAsInt("pn"), FileClass.IMAGE);
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214 if (imageSet == null) {
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215 throw new FileOpException("File " + getFilePath() + "("
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216 + getAsInt("pn") + ") not found.");
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217 }
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218 }
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219 return imageSet;
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220 }
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221
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222 /** Returns the file path name from the request.
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223 * @return
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224 */
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225 public String getFilePath() {
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226 if(filePath == null){
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227 String s = this.getAsString("request.path");
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228 s += this.getAsString("fn");
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229 filePath = FileOps.normalName(s);
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230 }
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231 return filePath;
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232 }
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233
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234 public boolean isHiresOnly(){
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235 return hasOption("clip") || hasOption("hires");
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236 }
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237
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238 public boolean isLoresOnly(){
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239 return hasOption("lores");
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240 }
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241
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242 public boolean isScaleToFit() {
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243 return !(hasOption("clip") || hasOption("osize") || hasOption("ascale"));
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244 }
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245
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246 public boolean isAbsoluteScale(){
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247 return hasOption("osize") || hasOption("ascale");
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248 }
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249
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250
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251 /** Returns the minimum size the source image should have for scaling.
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252 * @return
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253 * @throws IOException
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254 */
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255 public ImageSize getExpectedSourceSize() throws IOException {
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256 if (expectedSourceSize == null){
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257 expectedSourceSize = new ImageSize();
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258 if (isScaleToFit()) {
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259 // scale to fit -- calculate minimum source size
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260 float scale = (1 / Math.min(getAsFloat("ww"), getAsFloat("wh"))) * getAsFloat("ws");
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261 expectedSourceSize.setSize((int) (getDw() * scale),
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262 (int) (getDh() * scale));
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263 } else if (isAbsoluteScale() && hasOption("ascale")) {
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264 // absolute scale -- apply scale to hires size
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265 expectedSourceSize = getHiresSize().getScaled(getAsFloat("scale"));
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266 } else {
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267 // clip to fit -- source = destination size
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268 expectedSourceSize.setSize((int) (getDw() * getAsFloat("ws")),
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269 (int) (getDh() * getAsFloat("ws")));
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270 }
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271 }
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272 return expectedSourceSize;
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273 }
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274
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275 /** Returns the size of the highest resolution image.
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276 * @return
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277 * @throws IOException
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278 */
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279 public ImageSize getHiresSize() throws IOException {
500
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280 logger.debug("get_hiresSize()");
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281
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282 ImageSize hiresSize = null;
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283 ImageSet fileset = getImageSet();
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284 if (isAbsoluteScale()) {
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285 ImageInput hiresFile = fileset.getBiggest();
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286 hiresSize = hiresFile.getSize();
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287 }
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288 return hiresSize;
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289 }
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290
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291 /** Returns image scaling factor.
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292 * Uses image size and user parameters.
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293 * Modifies scaleXY, userImgArea.
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294 * @return
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295 * @throws IOException
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296 * @throws ImageOpException
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297 */
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298 public float getScaleXY() throws IOException, ImageOpException {
500
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299 //logger.debug("get_scaleXY()");
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300 if(scaleXY == null){
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301 // coordinates and scaling
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302 float areaWidth;
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303 float areaHeight;
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304 float ws = getAsFloat("ws");
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305 ImageSize imgSize = getInput().getSize();
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306 // user window area in [0,1] coordinates
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307 Rectangle2D relUserArea = new Rectangle2D.Float(getAsFloat("wx"), getAsFloat("wy"),
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308 getAsFloat("ww"), getAsFloat("wh"));
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309 // transform from relative [0,1] to image coordinates.
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310 AffineTransform imgTrafo = AffineTransform.getScaleInstance(imgSize
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311 .getWidth(), imgSize.getHeight());
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312 // transform user coordinate area to image coordinate area
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313 userImgArea = imgTrafo.createTransformedShape(
500
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314 relUserArea).getBounds2D();
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315
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316 if (isScaleToFit()) {
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317 // calculate scaling factors based on inner user area
500
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318 areaWidth = (float) userImgArea.getWidth();
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319 areaHeight = (float) userImgArea.getHeight();
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320 float scaleX = getDw() / areaWidth * ws;
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321 float scaleY = getDh() / areaHeight * ws;
500
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322 scaleXY = (scaleX > scaleY) ? scaleY : scaleX;
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323 } else if (isAbsoluteScale()) {
547
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324 // absolute scaling factor
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325 if (hasOption("osize")) {
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326 // get original resolution from metadata
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327 imageSet.checkMeta();
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328 float origResX = imageSet.getResX();
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329 float origResY = imageSet.getResY();
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330 if ((origResX == 0) || (origResY == 0)) {
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331 throw new ImageOpException("Missing image DPI information!");
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332 }
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333 float ddpix = getAsFloat("ddpix");
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334 float ddpiy = getAsFloat("ddpiy");
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335 if (ddpix == 0 || ddpiy == 0) {
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336 float ddpi = getAsFloat("ddpi");
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337 if (ddpi == 0) {
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338 throw new ImageOpException("Missing display DPI information!");
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339 } else {
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340 ddpix = ddpi;
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341 ddpiy = ddpi;
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342 }
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343 }
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344 // calculate absolute scale factor
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345 float sx = ddpix / origResX;
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346 float sy = ddpiy / origResY;
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347 // currently only same scale -- mean value
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348 scaleXY = (sx + sy) / 2f;
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349 } else {
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350 scaleXY = getAsFloat("scale");
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351 }
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352 // we need to correct the factor if we use a pre-scaled image
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353 ImageSize hiresSize = getHiresSize();
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354 if (imgSize.getWidth() != hiresSize.getWidth()) {
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355 scaleXY *= (float)hiresSize.getWidth() / (float)imgSize.getWidth();
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356 }
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357 areaWidth = getDw() / scaleXY * ws;
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358 areaHeight = getDh() / scaleXY * ws;
500
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359 // reset user area size
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360 userImgArea.setRect(userImgArea.getX(), userImgArea.getY(),
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361 areaWidth, areaHeight);
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362 } else {
547
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363 // crop to fit -- don't scale
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364 areaWidth = getDw() * ws;
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365 areaHeight = getDh() * ws;
500
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366 // reset user area size
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367 userImgArea.setRect(userImgArea.getX(), userImgArea.getY(),
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368 areaWidth, areaHeight);
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369 scaleXY = 1f;
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370 }
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371 }
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372 return (float) scaleXY;
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373 }
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374
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375 /** Returns the width of the destination image.
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376 * Uses dh parameter and aspect ratio if dw parameter is empty.
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377 * @return
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378 * @throws IOException
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379 */
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
380 public int getDw() throws IOException {
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
381 logger.debug("get_paramDW()");
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
382 if (paramDW == null) {
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
383
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
384 paramDW = getAsInt("dw");
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
385 paramDH = getAsInt("dh");
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
386
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
387 float imgAspect = getInput().getAspect();
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
388 if (paramDW == 0) {
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
389 // calculate dw
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
390 paramDW = Math.round(paramDH * imgAspect);
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
391 setValue("dw", paramDW);
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
392 } else if (paramDH == 0) {
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
393 // calculate dh
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
394 paramDH = Math.round(paramDW / imgAspect);
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
395 setValue("dh", paramDH);
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
396 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
397 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
398 return paramDW;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
399 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
400
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
401 /** Returns the height of the destination image.
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
402 * Uses dw parameter and aspect ratio if dh parameter is empty.
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
403 * @return
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
404 * @throws IOException
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
405 */
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
406 public int getDh() throws IOException {
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
407 logger.debug("get_paramDH()");
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
408 if (paramDH == null) {
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
409
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
410 paramDW = getAsInt("dw");
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
411 paramDH = getAsInt("dh");
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
412
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
413 float imgAspect = getInput().getAspect();
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
414 if (paramDW == 0) {
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
415 // calculate dw
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
416 paramDW = Math.round(paramDH * imgAspect);
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
417 setValue("dw", paramDW);
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
418 } else if (paramDH == 0) {
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
419 // calculate dh
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
420 paramDH = Math.round(paramDW / imgAspect);
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
421 setValue("dh", paramDH);
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
422 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
423 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
424 return paramDH;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
425 }
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
426
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
427 /** Returns image quality as an integer.
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
428 * @return
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
429 */
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
430 public int getScaleQual(){
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
431 logger.debug("get_scaleQual()");
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
432 int qual = dlConfig.getAsInt("default-quality");
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
433 if(hasOption("q0"))
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
434 qual = 0;
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
435 else if(hasOption("q1"))
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
436 qual = 1;
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
437 else if(hasOption("q2"))
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
438 qual = 2;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
439 return qual;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
440 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
441
829
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
442 public ColorOp getColOp() {
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
443 String op = getAsString("colop");
843
7718c6e832b0 enhance (cont, brgt) operation now with just one float.
robcast
parents: 829
diff changeset
444 if (op == null || op.length() == 0) {
7718c6e832b0 enhance (cont, brgt) operation now with just one float.
robcast
parents: 829
diff changeset
445 return null;
7718c6e832b0 enhance (cont, brgt) operation now with just one float.
robcast
parents: 829
diff changeset
446 }
829
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
447 try {
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
448 return ColorOp.valueOf(op.toUpperCase());
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
449 } catch (Exception e) {
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
450 logger.error("Invalid color op: " + op);
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
451 }
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
452 return null;
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
453 }
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
454
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
455 /**
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
456 * Returns the area of the source image that will be transformed into the
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
457 * destination image.
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
458 *
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
459 * @return
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
460 * @throws IOException
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
461 * @throws ImageOpException
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
462 */
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
463 public Rectangle2D getUserImgArea() throws IOException, ImageOpException{
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
464 if(userImgArea == null) {
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
465 // getScaleXY sets userImgArea
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
466 getScaleXY();
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
467 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
468 return userImgArea;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
469 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
470
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
471 /** Returns the maximal area of the source image that will be used.
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
472 * @return
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
473 * @throws IOException
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
474 * @throws ImageOpException
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
475 */
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
476 public Rectangle2D getOuterUserImgArea() throws IOException, ImageOpException {
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
477 if(outerUserImgArea == null){
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
478 outerUserImgArea = getUserImgArea();
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
479
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
480 // image size in pixels
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
481 ImageSize imgSize = getInput().getSize();
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
482 Rectangle2D imgBounds = new Rectangle2D.Float(0, 0, imgSize.getWidth(),
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
483 imgSize.getHeight());
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
484
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
485 // clip area at the image border
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
486 outerUserImgArea = outerUserImgArea.createIntersection(imgBounds);
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
487
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
488 // check image parameters sanity
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
489 scaleXY = getScaleXY();
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
490 logger.debug("outerUserImgArea.getWidth()=" + outerUserImgArea.getWidth());
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
491 logger.debug("get_scaleXY() * outerUserImgArea.getWidth() = " + (scaleXY * outerUserImgArea.getWidth()));
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
492
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
493 if ((outerUserImgArea.getWidth() < 1)
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
494 || (outerUserImgArea.getHeight() < 1)
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
495 || (scaleXY * outerUserImgArea.getWidth() < 2)
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
496 || (scaleXY * outerUserImgArea.getHeight() < 2)) {
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
497 logger.error("ERROR: invalid scale parameter set!");
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
498 throw new ImageOpException("Invalid scale parameter set!");
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
499 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
500 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
501 return outerUserImgArea;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
502 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
503
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
504
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
505 public float[] getRGBM(){
502
157d4c7d2343 readded support for direct sending of image files
cmielack
parents: 500
diff changeset
506 float[] paramRGBM = null;//{0f,0f,0f};
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
507 Parameter p = params.get("rgbm");
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
508 if (p.hasValue() && (!p.getAsString().equals("0/0/0"))) {
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
509 return p.parseAsFloatArray("/");
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
510 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
511 return paramRGBM;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
512 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
513
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
514 public float[] getRGBA(){
502
157d4c7d2343 readded support for direct sending of image files
cmielack
parents: 500
diff changeset
515 float[] paramRGBA = null;//{0f,0f,0f};
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
516 Parameter p = params.get("rgba");
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
517 if (p.hasValue() && (!p.getAsString().equals("0/0/0"))) {
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
518 paramRGBA = p.parseAsFloatArray("/");
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
519 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
520 return paramRGBA;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
521 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
522
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
523 /** Has send-as-file been requested?
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
524 * @return
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
525 */
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
526 public boolean getSendAsFile(){
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
527 return hasOption("file")
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
528 || hasOption("rawfile");
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
529 }
502
157d4c7d2343 readded support for direct sending of image files
cmielack
parents: 500
diff changeset
530
819
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
531 /**
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
532 * Returns if the image can be sent without processing. Takes image type and
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
533 * additional image operations into account. Does not check requested size
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
534 * transformation.
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
535 *
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
536 * @return
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
537 * @throws IOException
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
538 */
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
539 public boolean isImageSendable() throws IOException {
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
540 if (imageSendable == null) {
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
541 String mimeType = getMimeType();
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
542 imageSendable = (mimeType != null
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
543 && (mimeType.equals("image/jpeg") || mimeType.equals("image/png")
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
544 || mimeType.equals("image/gif"))
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
545 && !(hasOption("hmir")
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
546 || hasOption("vmir") || (getAsFloat("rot") != 0.0)
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
547 || (getRGBM() != null) || (getRGBA() != null)
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
548 || (getAsFloat("cont") != 0.0) || (getAsFloat("brgt") != 0.0)));
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
549 }
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
550 return imageSendable;
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
551 }
502
157d4c7d2343 readded support for direct sending of image files
cmielack
parents: 500
diff changeset
552
157d4c7d2343 readded support for direct sending of image files
cmielack
parents: 500
diff changeset
553
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
554 /**
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
555 * Returns if any transformation of the source image (image manipulation or
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
556 * format conversion) is required.
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
557 *
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
558 * @return
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
559 * @throws IOException
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
560 */
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
561 public boolean isTransformRequired() throws IOException {
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
562 ImageSize is = getInput().getSize();
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
563 ImageSize ess = getExpectedSourceSize();
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
564 // nt = no transform required
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
565 boolean nt = isImageSendable() && (
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
566 // lores: send if smaller
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
567 (isLoresOnly() && is.isSmallerThan(ess))
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
568 // else send if it fits
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
569 || (!(isLoresOnly() || isHiresOnly()) && is.fitsIn(ess)));
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
570 return ! nt;
502
157d4c7d2343 readded support for direct sending of image files
cmielack
parents: 500
diff changeset
571 }
906
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
572
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
573
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
574 /**
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
575 * @return the docuImage
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
576 */
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
577 public DocuImage getDocuImage() {
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
578 return docuImage;
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
579 }
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
580
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
581
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
582 /**
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
583 * @param docuImage the docuImage to set
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
584 */
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
585 public void setDocuImage(DocuImage docuImage) {
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
586 this.docuImage = docuImage;
28d007673346 really works with streams now.
robcast
parents: 903
diff changeset
587 }
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
588 }