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comparison servlet/src/digilib/image/DocuImageImpl.java @ 562:baaa5bab5e16 digilibPDF

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trying to reduce use of ImageOps
author robcast
date Fri, 17 Dec 2010 16:24:03 +0100
parents a5168978555f
children 4c51d71aef13
comparison
equal deleted inserted replaced
561:a5168978555f 562:baaa5bab5e16
37 import digilib.io.ImageFile; 37 import digilib.io.ImageFile;
38 38
39 /** Simple abstract implementation of the <code>DocuImage</code> interface. 39 /** Simple abstract implementation of the <code>DocuImage</code> interface.
40 * 40 *
41 * This implementation provides basic functionality for the utility methods like 41 * This implementation provides basic functionality for the utility methods like
42 * <code>SetUtils</code>, and <code>getKnownFileTypes</code>. Image methods like 42 * <code>getKnownFileTypes</code>. Image methods like
43 * <code>loadImage</code>, <code>writeImage</code>, <code>getWidth</code>, 43 * <code>loadImage</code>, <code>writeImage</code>, <code>getWidth</code>,
44 * <code>getHeight</code>, <code>crop</code> and <code>scale</code> must be 44 * <code>getHeight</code>, <code>crop</code> and <code>scale</code> must be
45 * implemented by derived classes. 45 * implemented by derived classes.
46 */ 46 */
47 public abstract class DocuImageImpl implements DocuImage { 47 public abstract class DocuImageImpl implements DocuImage {
73 public void setQuality(int quality) { 73 public void setQuality(int quality) {
74 this.quality = quality; 74 this.quality = quality;
75 } 75 }
76 76
77 /** Check image size and type and store in ImageFile f */ 77 /** Check image size and type and store in ImageFile f */
78 public static boolean identifyImg(ImageFile imgf) throws IOException { 78 public ImageFile identify(ImageFile imgf) throws IOException {
79 }
80
81 /** Check image size and type and store in ImageFile f */
82 public boolean identify(ImageFile imgf) throws IOException {
83 // fileset to store the information 79 // fileset to store the information
84 File f = imgf.getFile(); 80 File f = imgf.getFile();
85 if (f == null) { 81 if (f == null) {
86 throw new IOException("File not found!"); 82 throw new IOException("File not found!");
87 } 83 }
98 imgf.setSize(d); 94 imgf.setSize(d);
99 imgf.setMimetype(iif.getMimeType()); 95 imgf.setMimetype(iif.getMimeType());
100 //logger.debug(" format:"+iif.getFormatName()); 96 //logger.debug(" format:"+iif.getFormatName());
101 raf.close(); 97 raf.close();
102 logger.debug("image size: " + imgf.getSize()); 98 logger.debug("image size: " + imgf.getSize());
103 return true; 99 return imgf;
104 } 100 }
105 return false; 101 return null;
106 } 102 }
107 103
108 /** Crop and scale the current image. 104 /** Crop and scale the current image.
109 * 105 *
110 * The current image is cropped to a rectangle of width, height at position 106 * The current image is cropped to a rectangle of width, height at position
120 * @throws ImageOpException Exception thrown on any error. 116 * @throws ImageOpException Exception thrown on any error.
121 */ 117 */
122 public void cropAndScale( 118 public void cropAndScale(
123 int x_off, int y_off, int width, int height, double scale, int qual) 119 int x_off, int y_off, int width, int height, double scale, int qual)
124 throws ImageOpException { 120 throws ImageOpException {
125 121 // default implementation: first crop, then scale
126 setQuality(qual); 122 setQuality(qual);
127 crop(x_off, y_off, width, height); 123 crop(x_off, y_off, width, height);
128 scale(scale, scale); 124 scale(scale, scale);
129 } 125 }
130 126
169 } 165 }
170 166
171 public void crop(int xoff, int yoff, int width, int height) 167 public void crop(int xoff, int yoff, int width, int height)
172 throws ImageOpException { 168 throws ImageOpException {
173 // TODO Auto-generated method stub 169 // TODO Auto-generated method stub
174
175 } 170 }
176 171
177 public Image getAwtImage() { 172 public Image getAwtImage() {
178 // TODO Auto-generated method stub 173 // TODO Auto-generated method stub
179 return null; 174 return null;