1 files changed, 157 insertions, 0 deletions
diff --git a/libjava/javax/imageio/IIOParam.java b/libjava/javax/imageio/IIOParam.java
new file mode 100644
index 00000000000..bbab1cf79f6
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+++ b/libjava/javax/imageio/IIOParam.java
@@ -0,0 +1,157 @@
+/* IIOParam.java --
+   Copyright (C) 2004  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath 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, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.imageio;
+
+import java.awt.Point;
+import java.awt.Rectangle;
+
+/**
+ * @author Michael Koch (konqueror@gmx.de)
+ */
+public abstract class IIOParam
+{
+  protected IIOParamController controller;
+  protected IIOParamController defaultController;
+  protected Point destinationOffset = new Point(0, 0);
+  protected ImageTypeSpecifier destinationType;
+  protected int[] sourceBands;
+  protected Rectangle sourceRegion;
+  protected int sourceXSubsampling;
+  protected int sourceYSubsampling;
+  protected int subsamplingXOffset;
+  protected int subsamplingYOffset;
+
+  /**
+   * Initializes an <code>IIOParam</code> object.
+   */
+  protected IIOParam()
+  {
+    // Do nothing here.
+  }
+
+  public boolean activateController()
+  {
+    if (controller == null)
+      return false;
+    
+    return controller.activate(this);
+  }
+  
+  public IIOParamController getController()
+  {
+    return controller;
+  }
+
+  public IIOParamController getDefaultController()
+  {
+    return defaultController;
+  }
+
+  public Point getDestinationOffset()
+  {
+    return destinationOffset;
+  }
+
+  public ImageTypeSpecifier getDestinationType()
+  {
+    return destinationType;
+  }
+
+  public int[] getSourceBands()
+  {
+    return sourceBands;
+  }
+
+  public Rectangle getSourceRegion()
+  {
+    return sourceRegion;
+  }
+
+  public int getSourceXSubsampling()
+  {
+    return sourceXSubsampling;
+  }
+  
+  public int getSourceYSubsampling()
+  {
+    return sourceYSubsampling;
+  }
+
+  public int getSubsamplingXOffset()
+  {
+    return subsamplingXOffset;
+  }
+  
+  public int getSubsamplingYOffset()
+  {
+    return subsamplingYOffset;
+  }
+
+  public boolean hasController()
+  {
+    return getController() != null;
+  }
+
+  public void setController(IIOParamController controller)
+  {
+    this.controller = controller;
+  }
+
+  public void setDestinationOffset(Point destinationOffset)
+  {
+    if (destinationOffset == null)
+      throw new IllegalArgumentException("destinationOffset is null");
+
+    this.destinationOffset = destinationOffset;
+  }
+
+  public void setSourceRegion(Rectangle sourceRegion)
+  {
+    if (sourceRegion != null
+	&& (sourceRegion.x < 0
+	    || sourceRegion.y < 0
+	    || sourceRegion.width <= 0
+	    || sourceRegion.height <= 0))
+      throw new IllegalArgumentException("illegal source region");
+    
+    // FIXME: Throw IllegalStateException.
+
+    this.sourceRegion = sourceRegion;
+  }
+}