Mercurial > hg > digilib-old

comparison servlet/src/digilib/image/DocuImage.java @ 149:04ad64b2137a

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Servlet version 1.14b1 - better performance with thumbnails (really, this time :-) - new DocuInfo class - new Directory class - DocuFile uses String and Directory as data members - parameter rearrangements
author robcast
date Tue, 26 Aug 2003 22:28:43 +0200
parents a32e8c80e2f2
children e743b853efca
comparison
equal deleted inserted replaced
148:837a633a0407 149:04ad64b2137a
12 Please read license.txt for the full details. A copy of the GPL 12 Please read license.txt for the full details. A copy of the GPL
13 may be found at http://www.gnu.org/copyleft/lgpl.html 13 may be found at http://www.gnu.org/copyleft/lgpl.html
14 14
15 You should have received a copy of the GNU General Public License 15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software 16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 18
19 */ 19 */
20 20
21 package digilib.image; 21 package digilib.image;
22 22
23 import java.awt.Rectangle; 23 import java.awt.Rectangle;
24 import java.io.File;
25 import java.io.OutputStream; 24 import java.io.OutputStream;
26 25
26 import digilib.io.DocuFile;
27 import digilib.io.FileOpException; 27 import digilib.io.FileOpException;
28 28
29 /** The basic class for the representation of a digilib image. 29 /** The basic class for the representation of a digilib image.
30 * 30 *
31 * The actual image object is hidden in the class, only methods for loading, 31 * The actual image object is hidden in the class, only methods for loading,
44 /** Loads an image file into the Object. 44 /** Loads an image file into the Object.
45 * 45 *
46 * @param f Image File. 46 * @param f Image File.
47 * @throws FileOpException Exception thrown if any error occurs. 47 * @throws FileOpException Exception thrown if any error occurs.
48 */ 48 */
49 public void loadImage(File f) throws FileOpException; 49 public void loadImage(DocuFile f) throws FileOpException;
50 50
51 /** This DocuImage support the loadSubImage operation. 51 /** This DocuImage support the loadSubImage operation.
52 * 52 *
53 * @return boolean 53 * @return boolean
54 */ 54 */
59 * @param f 59 * @param f
60 * @param region 60 * @param region
61 * @param subsample 61 * @param subsample
62 * @throws FileOpException 62 * @throws FileOpException
63 */ 63 */
64 public void loadSubimage(File f, Rectangle region, int subsample) 64 public void loadSubimage(DocuFile f, Rectangle region, int subsample)
65 throws FileOpException; 65 throws FileOpException;
66 66
67 /** Writes the current image to a ServletResponse. 67 /** Writes the current image to a ServletResponse.
68 * 68 *
69 * The image is encoded to the mime-type <code>mt</code> and sent to the output 69 * The image is encoded to the mime-type <code>mt</code> and sent to the output
117 * <code>scale</code>. 117 * <code>scale</code>.
118 * 118 *
119 * @param scale scaling factor 119 * @param scale scaling factor
120 * @throws ImageOpException 120 * @throws ImageOpException
121 */ 121 */
122 public void scale(double scale) throws ImageOpException; 122 public void scale(double scaleX, double scaleY) throws ImageOpException;
123 123
124 /** Crops and scales the current image. 124 /** Crops and scales the current image.
125 * 125 *
126 * The current image is cropped to a rectangle of <code>width</code>, 126 * The current image is cropped to a rectangle of <code>width</code>,
127 * <code>height</code> at position <code>x_off</code>, <code>y_off</code>. The 127 * <code>height</code> at position <code>x_off</code>, <code>y_off</code>. The