--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servlet/src/digilib/image/DocuImage.java	Thu Jan 17 15:25:46 2002 +0100
@@ -0,0 +1,68 @@
+/* DocuImage -- General image interface class
+
+  Digital Image Library servlet components
+
+  Copyright (C) 2001, 2002 Robert Casties (robcast@mail.berlios.de)
+
+  This program is free software; you can redistribute  it and/or modify it
+  under  the terms of  the GNU General  Public License as published by the
+  Free Software Foundation;  either version 2 of the  License, or (at your
+  option) any later version.
+   
+  Please read license.txt for the full details. A copy of the GPL
+  may be found at http://www.gnu.org/copyleft/lgpl.html
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+*/
+
+package digilib.image;
+
+import javax.servlet.*;
+import javax.servlet.http.*;
+import java.io.*;
+import java.util.*;
+
+import java.awt.image.*;
+import java.awt.image.renderable.*;
+
+import digilib.*;
+import digilib.io.*;
+
+public interface DocuImage {
+
+  public String[] getKnownFileTypes();
+
+  /**
+   *  send an image file as-is
+   */
+  public void sendFile(File f, ServletResponse res) throws FileOpException;
+
+  /**
+   *  load image file
+   */
+  public void loadImage(File f) throws FileOpException;
+
+  /**
+   *  write image with mime type mt to Stream
+   */
+  public void writeImage(String mt, ServletResponse res) throws FileOpException;
+
+  /**
+   *  get the image height and width
+   */
+  public int getWidth();
+  public int getHeight();
+
+  /**
+   *  crop and scale image
+   *    take rectangle width,height at position x_off,y_off
+   *    and scale by scale with interpolation quality qual (0=worst)
+   */
+  public void cropAndScale(
+                int x_off, int y_off,
+                int width, int height,
+                float scale, int qual) throws ImageOpException;
+}