Mercurial > hg > digilib-old

annotate servlet/src/digilib/image/ImageJobDescription.java @ 829:a630d0303cce stream

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new servlet operation colop=grayscale.
author robcast
date Fri, 25 Feb 2011 11:34:49 +0100
parents a23c4c15a6a8
children 7718c6e832b0
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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 String filePath = null;
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43 ImageSize expectedSourceSize = null;
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44 Float scaleXY = null;
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45 Rectangle2D userImgArea = null;
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46 Rectangle2D outerUserImgArea = null;
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47 Boolean imageSendable = null;
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48 String mimeType = null;
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49 Integer paramDW = null;
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50 Integer paramDH = null;
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51
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52 /** create empty ImageJobDescription.
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53 * @param dlcfg
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54 */
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55 public ImageJobDescription(DigilibConfiguration dlcfg) {
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56 super(30);
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57 dlConfig = dlcfg;
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58 }
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59
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60
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61 /** set up Parameters
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62 * @see digilib.util.ParameterMap#initParams()
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63 */
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64 @Override
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65 protected void initParams() {
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66 // url of the page/document (second part)
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67 newParameter("fn", "", null, 's');
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68 // page number
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69 newParameter("pn", new Integer(1), null, 's');
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70 // width of client in pixels
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71 newParameter("dw", new Integer(0), null, 's');
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72 // height of client in pixels
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73 newParameter("dh", new Integer(0), null, 's');
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74 // left edge of image (float from 0 to 1)
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75 newParameter("wx", new Float(0), null, 's');
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76 // top edge in image (float from 0 to 1)
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77 newParameter("wy", new Float(0), null, 's');
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78 // width of image (float from 0 to 1)
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79 newParameter("ww", new Float(1), null, 's');
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80 // height of image (float from 0 to 1)
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81 newParameter("wh", new Float(1), null, 's');
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82 // scale factor
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83 newParameter("ws", new Float(1), null, 's');
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84 // special options like 'fit' for gifs
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85 newParameter("mo", this.options, null, 's');
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86 // rotation angle (degree)
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87 newParameter("rot", new Float(0), null, 's');
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88 // contrast enhancement factor
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89 newParameter("cont", new Float(0), null, 's');
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90 // brightness enhancement factor
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91 newParameter("brgt", new Float(0), null, 's');
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92 // color multiplicative factors
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93 newParameter("rgbm", "0/0/0", null, 's');
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94 // color additive factors
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95 newParameter("rgba", "0/0/0", null, 's');
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96 // display dpi resolution (total)
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97 newParameter("ddpi", new Float(0), null, 's');
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98 // display dpi X resolution
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99 newParameter("ddpix", new Float(0), null, 's');
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100 // display dpi Y resolution
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101 newParameter("ddpiy", new Float(0), null, 's');
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102 // scale factor for mo=ascale
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103 newParameter("scale", new Float(1), null, 's');
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104 // color conversion operation
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105 newParameter("colop", "", null, 's');
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106 }
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107
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108
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109 /* (non-Javadoc)
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110 * @see digilib.servlet.ParameterMap#initOptions()
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111 */
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112 @Override
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113 protected void initOptions() {
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114 String s = this.getAsString("mo");
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115 options = new OptionsSet(s);
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116 }
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117
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118
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119 /** Creates new ImageJobDescription by merging Parameters from another ParameterMap.
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120 * @param pm
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121 * @param dlcfg
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122 * @return
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123 */
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124 public static ImageJobDescription getInstance(ParameterMap pm, DigilibConfiguration dlcfg) {
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125 ImageJobDescription newMap = new ImageJobDescription(dlcfg);
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126 // add all params to this map
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127 newMap.params.putAll(pm.getParams());
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128 newMap.initOptions();
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129 return newMap;
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130 }
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131
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132
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133 /** Returns the mime-type (of the input).
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134 * @return
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135 * @throws IOException
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136 */
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137 public String getMimeType() throws IOException {
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138 if (mimeType == null) {
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139 input = getInput();
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140 mimeType = input.getMimetype();
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141 }
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142 return mimeType;
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143 }
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144
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145 /** Returns the ImageInput to use.
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146 * @return
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147 * @throws IOException
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148 */
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149 public ImageInput getInput() throws IOException {
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150 if(input == null){
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151 imageSet = getImageSet();
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152
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153 /* select a resolution */
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154 if (isHiresOnly()) {
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155 // get first element (= highest resolution)
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156 input = imageSet.getBiggest();
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157 } else if (isLoresOnly()) {
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158 // enforced lores uses next smaller resolution
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159 input = imageSet.getNextSmaller(getExpectedSourceSize());
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160 if (input == null) {
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161 // this is the smallest we have
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162 input = imageSet.getSmallest();
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163 }
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164 } else {
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165 // autores: use next higher resolution
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166 input = imageSet.getNextBigger(getExpectedSourceSize());
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167 if (input == null) {
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168 // this is the highest we have
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169 input = imageSet.getBiggest();
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170 }
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171 }
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172 if (input == null || input.getMimetype() == null) {
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173 throw new FileOpException("Unable to load "+input);
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174 }
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175 logger.info("Planning to load: " + input);
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176 }
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177 return input;
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178 }
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179
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180 /** Returns the DocuDirectory for the input (file).
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181 * @return
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182 * @throws FileOpException
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183 */
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184 public DocuDirectory getFileDirectory() throws FileOpException {
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185 if(fileDir == null){
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186 DocuDirCache dirCache = (DocuDirCache) dlConfig.getValue("servlet.dir.cache");
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187 String fp = getFilePath();
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188 fileDir = dirCache.getDirectory(fp);
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189 if (fileDir == null) {
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190 throw new FileOpException("Directory " + getFilePath() + " not found.");
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191 }
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192 }
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193 return fileDir;
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194 }
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195
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196 /** Returns the ImageSet to load.
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197 * @return
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198 * @throws FileOpException
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199 */
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200 public ImageSet getImageSet() throws FileOpException {
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201 if(imageSet==null){
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202 DocuDirCache dirCache = (DocuDirCache) dlConfig.getValue("servlet.dir.cache");
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203
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204 imageSet = (ImageSet) dirCache.getFile(getFilePath(), getAsInt("pn"), FileClass.IMAGE);
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205 if (imageSet == null) {
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206 throw new FileOpException("File " + getFilePath() + "("
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207 + getAsInt("pn") + ") not found.");
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208 }
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209 }
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210 return imageSet;
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211 }
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212
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213 /** Returns the file path name from the request.
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214 * @return
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215 */
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216 public String getFilePath() {
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217 if(filePath == null){
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218 String s = this.getAsString("request.path");
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219 s += this.getAsString("fn");
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220 filePath = FileOps.normalName(s);
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221 }
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222 return filePath;
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223 }
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224
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225 public boolean isHiresOnly(){
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226 return hasOption("clip") || hasOption("hires");
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227 }
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228
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229 public boolean isLoresOnly(){
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230 return hasOption("lores");
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231 }
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232
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233 public boolean isScaleToFit() {
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234 return !(hasOption("clip") || hasOption("osize") || hasOption("ascale"));
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235 }
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236
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237 public boolean isAbsoluteScale(){
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238 return hasOption("osize") || hasOption("ascale");
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239 }
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240
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241
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242 /** Returns the minimum size the source image should have for scaling.
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243 * @return
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244 * @throws IOException
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245 */
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246 public ImageSize getExpectedSourceSize() throws IOException {
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247 if (expectedSourceSize == null){
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248 expectedSourceSize = new ImageSize();
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249 if (isScaleToFit()) {
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250 // scale to fit -- calculate minimum source size
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251 float scale = (1 / Math.min(getAsFloat("ww"), getAsFloat("wh"))) * getAsFloat("ws");
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252 expectedSourceSize.setSize((int) (getDw() * scale),
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253 (int) (getDh() * scale));
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254 } else if (isAbsoluteScale() && hasOption("ascale")) {
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255 // absolute scale -- apply scale to hires size
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256 expectedSourceSize = getHiresSize().getScaled(getAsFloat("scale"));
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257 } else {
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258 // clip to fit -- source = destination size
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259 expectedSourceSize.setSize((int) (getDw() * getAsFloat("ws")),
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260 (int) (getDh() * getAsFloat("ws")));
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261 }
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262 }
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263 return expectedSourceSize;
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264 }
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265
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266 /** Returns the size of the highest resolution image.
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267 * @return
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268 * @throws IOException
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269 */
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270 public ImageSize getHiresSize() throws IOException {
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271 logger.debug("get_hiresSize()");
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272
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273 ImageSize hiresSize = null;
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274 ImageSet fileset = getImageSet();
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275 if (isAbsoluteScale()) {
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276 ImageInput hiresFile = fileset.getBiggest();
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277 hiresSize = hiresFile.getSize();
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278 }
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279 return hiresSize;
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280 }
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281
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282 /** Returns image scaling factor.
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283 * Uses image size and user parameters.
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284 * Modifies scaleXY, userImgArea.
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285 * @return
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286 * @throws IOException
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287 * @throws ImageOpException
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288 */
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289 public float getScaleXY() throws IOException, ImageOpException {
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290 //logger.debug("get_scaleXY()");
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291 if(scaleXY == null){
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292 // coordinates and scaling
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293 float areaWidth;
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294 float areaHeight;
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295 float ws = getAsFloat("ws");
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296 ImageSize imgSize = getInput().getSize();
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297 // user window area in [0,1] coordinates
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298 Rectangle2D relUserArea = new Rectangle2D.Float(getAsFloat("wx"), getAsFloat("wy"),
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299 getAsFloat("ww"), getAsFloat("wh"));
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300 // transform from relative [0,1] to image coordinates.
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301 AffineTransform imgTrafo = AffineTransform.getScaleInstance(imgSize
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302 .getWidth(), imgSize.getHeight());
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303 // transform user coordinate area to image coordinate area
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304 userImgArea = imgTrafo.createTransformedShape(
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305 relUserArea).getBounds2D();
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306
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307 if (isScaleToFit()) {
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308 // calculate scaling factors based on inner user area
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309 areaWidth = (float) userImgArea.getWidth();
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310 areaHeight = (float) userImgArea.getHeight();
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311 float scaleX = getDw() / areaWidth * ws;
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312 float scaleY = getDh() / areaHeight * ws;
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313 scaleXY = (scaleX > scaleY) ? scaleY : scaleX;
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314 } else if (isAbsoluteScale()) {
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315 // absolute scaling factor
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316 if (hasOption("osize")) {
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317 // get original resolution from metadata
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318 imageSet.checkMeta();
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319 float origResX = imageSet.getResX();
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320 float origResY = imageSet.getResY();
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321 if ((origResX == 0) || (origResY == 0)) {
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322 throw new ImageOpException("Missing image DPI information!");
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323 }
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324 float ddpix = getAsFloat("ddpix");
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325 float ddpiy = getAsFloat("ddpiy");
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326 if (ddpix == 0 || ddpiy == 0) {
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327 float ddpi = getAsFloat("ddpi");
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328 if (ddpi == 0) {
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329 throw new ImageOpException("Missing display DPI information!");
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330 } else {
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331 ddpix = ddpi;
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332 ddpiy = ddpi;
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333 }
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334 }
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335 // calculate absolute scale factor
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336 float sx = ddpix / origResX;
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337 float sy = ddpiy / origResY;
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338 // currently only same scale -- mean value
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339 scaleXY = (sx + sy) / 2f;
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340 } else {
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341 scaleXY = getAsFloat("scale");
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342 }
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343 // we need to correct the factor if we use a pre-scaled image
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344 ImageSize hiresSize = getHiresSize();
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345 if (imgSize.getWidth() != hiresSize.getWidth()) {
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346 scaleXY *= (float)hiresSize.getWidth() / (float)imgSize.getWidth();
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347 }
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348 areaWidth = getDw() / scaleXY * ws;
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349 areaHeight = getDh() / scaleXY * ws;
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350 // reset user area size
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351 userImgArea.setRect(userImgArea.getX(), userImgArea.getY(),
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352 areaWidth, areaHeight);
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353 } else {
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354 // crop to fit -- don't scale
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355 areaWidth = getDw() * ws;
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356 areaHeight = getDh() * ws;
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357 // reset user area size
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358 userImgArea.setRect(userImgArea.getX(), userImgArea.getY(),
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359 areaWidth, areaHeight);
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360 scaleXY = 1f;
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361 }
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362 }
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363 return (float) scaleXY;
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364 }
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365
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366 /** Returns the width of the destination image.
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367 * Uses dh parameter and aspect ratio if dw parameter is empty.
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368 * @return
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369 * @throws IOException
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370 */
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371 public int getDw() throws IOException {
500
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372 logger.debug("get_paramDW()");
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373 if (paramDW == null) {
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374
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375 paramDW = getAsInt("dw");
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376 paramDH = getAsInt("dh");
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377
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378 float imgAspect = getInput().getAspect();
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
379 if (paramDW == 0) {
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
380 // calculate dw
e1094c5ec032 more cleanup and refactoring
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parents: 542
diff changeset
381 paramDW = Math.round(paramDH * imgAspect);
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
382 setValue("dw", paramDW);
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
383 } else if (paramDH == 0) {
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
384 // calculate dh
e1094c5ec032 more cleanup and refactoring
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parents: 542
diff changeset
385 paramDH = Math.round(paramDW / imgAspect);
e1094c5ec032 more cleanup and refactoring
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parents: 542
diff changeset
386 setValue("dh", paramDH);
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
387 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
388 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
389 return paramDW;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
390 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
391
593
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parents: 589
diff changeset
392 /** Returns the height of the destination image.
7768ea8f59cf more work on stream input -- cleaning up references to files
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parents: 589
diff changeset
393 * Uses dw parameter and aspect ratio if dh parameter is empty.
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parents: 589
diff changeset
394 * @return
7768ea8f59cf more work on stream input -- cleaning up references to files
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parents: 589
diff changeset
395 * @throws IOException
7768ea8f59cf more work on stream input -- cleaning up references to files
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parents: 589
diff changeset
396 */
547
e1094c5ec032 more cleanup and refactoring
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parents: 542
diff changeset
397 public int getDh() throws IOException {
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
398 logger.debug("get_paramDH()");
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
399 if (paramDH == null) {
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
400
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parents: 542
diff changeset
401 paramDW = getAsInt("dw");
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
402 paramDH = getAsInt("dh");
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
403
593
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robcast
parents: 589
diff changeset
404 float imgAspect = getInput().getAspect();
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
405 if (paramDW == 0) {
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
406 // calculate dw
e1094c5ec032 more cleanup and refactoring
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parents: 542
diff changeset
407 paramDW = Math.round(paramDH * imgAspect);
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
408 setValue("dw", paramDW);
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
409 } else if (paramDH == 0) {
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
410 // calculate dh
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
411 paramDH = Math.round(paramDW / imgAspect);
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
412 setValue("dh", paramDH);
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
413 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
414 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
415 return paramDH;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
416 }
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
417
593
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robcast
parents: 589
diff changeset
418 /** Returns image quality as an integer.
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
419 * @return
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
420 */
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
421 public int getScaleQual(){
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
422 logger.debug("get_scaleQual()");
593
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robcast
parents: 589
diff changeset
423 int qual = dlConfig.getAsInt("default-quality");
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
424 if(hasOption("q0"))
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
425 qual = 0;
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
426 else if(hasOption("q1"))
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
427 qual = 1;
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
428 else if(hasOption("q2"))
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
429 qual = 2;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
430 return qual;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
431 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
432
829
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
433 public ColorOp getColOp() {
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
434 String op = getAsString("colop");
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
435 try {
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
436 return ColorOp.valueOf(op.toUpperCase());
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
437 } catch (Exception e) {
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
438 logger.error("Invalid color op: " + op);
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
439 }
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
440 return null;
a630d0303cce new servlet operation colop=grayscale.
robcast
parents: 819
diff changeset
441 }
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
442
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
443 /**
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
444 * 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
445 * destination image.
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
446 *
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
447 * @return
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
448 * @throws IOException
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
449 * @throws ImageOpException
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
450 */
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
451 public Rectangle2D getUserImgArea() throws IOException, ImageOpException{
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
452 if(userImgArea == null) {
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
453 // getScaleXY sets userImgArea
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
454 getScaleXY();
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
455 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
456 return userImgArea;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
457 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
458
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
459 /** 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
460 * @return
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
461 * @throws IOException
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
462 * @throws ImageOpException
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
463 */
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
464 public Rectangle2D getOuterUserImgArea() throws IOException, ImageOpException {
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
465 if(outerUserImgArea == null){
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
466 outerUserImgArea = getUserImgArea();
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
467
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
468 // image size in pixels
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
469 ImageSize imgSize = getInput().getSize();
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
470 Rectangle2D imgBounds = new Rectangle2D.Float(0, 0, imgSize.getWidth(),
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
471 imgSize.getHeight());
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
472
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
473 // clip area at the image border
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
474 outerUserImgArea = outerUserImgArea.createIntersection(imgBounds);
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
475
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
476 // check image parameters sanity
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
477 scaleXY = getScaleXY();
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
478 logger.debug("outerUserImgArea.getWidth()=" + outerUserImgArea.getWidth());
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
479 logger.debug("get_scaleXY() * outerUserImgArea.getWidth() = " + (scaleXY * outerUserImgArea.getWidth()));
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
480
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
481 if ((outerUserImgArea.getWidth() < 1)
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
482 || (outerUserImgArea.getHeight() < 1)
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
483 || (scaleXY * outerUserImgArea.getWidth() < 2)
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
484 || (scaleXY * outerUserImgArea.getHeight() < 2)) {
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
485 logger.error("ERROR: invalid scale parameter set!");
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
486 throw new ImageOpException("Invalid scale parameter set!");
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
487 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
488 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
489 return outerUserImgArea;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
490 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
491
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
492
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
493 public float[] getRGBM(){
502
157d4c7d2343 readded support for direct sending of image files
cmielack
parents: 500
diff changeset
494 float[] paramRGBM = null;//{0f,0f,0f};
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
495 Parameter p = params.get("rgbm");
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
496 if (p.hasValue() && (!p.getAsString().equals("0/0/0"))) {
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
497 return p.parseAsFloatArray("/");
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
498 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
499 return paramRGBM;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
500 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
501
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
502 public float[] getRGBA(){
502
157d4c7d2343 readded support for direct sending of image files
cmielack
parents: 500
diff changeset
503 float[] paramRGBA = null;//{0f,0f,0f};
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
504 Parameter p = params.get("rgba");
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
505 if (p.hasValue() && (!p.getAsString().equals("0/0/0"))) {
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
506 paramRGBA = p.parseAsFloatArray("/");
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
507 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
508 return paramRGBA;
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
509 }
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
510
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
511 /** Has send-as-file been requested?
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
512 * @return
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
513 */
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
514 public boolean getSendAsFile(){
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
515 return hasOption("file")
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
516 || hasOption("rawfile");
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
517 }
502
157d4c7d2343 readded support for direct sending of image files
cmielack
parents: 500
diff changeset
518
819
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
519 /**
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
520 * 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
521 * 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
522 * transformation.
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
523 *
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
524 * @return
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
525 * @throws IOException
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
526 */
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
527 public boolean isImageSendable() throws IOException {
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
528 if (imageSendable == null) {
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
529 String mimeType = getMimeType();
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
530 imageSendable = (mimeType != null
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
531 && (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
532 || mimeType.equals("image/gif"))
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
533 && !(hasOption("hmir")
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
534 || hasOption("vmir") || (getAsFloat("rot") != 0.0)
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
535 || (getRGBM() != null) || (getRGBA() != null)
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
536 || (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
537 }
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
538 return imageSendable;
a23c4c15a6a8 clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents: 774
diff changeset
539 }
502
157d4c7d2343 readded support for direct sending of image files
cmielack
parents: 500
diff changeset
540
157d4c7d2343 readded support for direct sending of image files
cmielack
parents: 500
diff changeset
541
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
542 /**
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
543 * 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
544 * format conversion) is required.
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
545 *
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
546 * @return
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
547 * @throws IOException
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
548 */
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
549 public boolean isTransformRequired() throws IOException {
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
550 ImageSize is = getInput().getSize();
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
551 ImageSize ess = getExpectedSourceSize();
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
552 // nt = no transform required
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
553 boolean nt = isImageSendable() && (
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
554 // lores: send if smaller
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
555 (isLoresOnly() && is.isSmallerThan(ess))
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
556 // else send if it fits
593
7768ea8f59cf more work on stream input -- cleaning up references to files
robcast
parents: 589
diff changeset
557 || (!(isLoresOnly() || isHiresOnly()) && is.fitsIn(ess)));
547
e1094c5ec032 more cleanup and refactoring
robcast
parents: 542
diff changeset
558 return ! nt;
502
157d4c7d2343 readded support for direct sending of image files
cmielack
parents: 500
diff changeset
559 }
500
b2325b33b77b completely restructured the scaler
cmielack
parents:
diff changeset
560 }