src/share/classes/java/awt/image/ImageFilter.java

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   1 /*
   2  * Copyright (c) 1995, 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  87      * @see ImageConsumer#setDimensions
  88      */
  89     public void setDimensions(int width, int height) {
  90         consumer.setDimensions(width, height);
  91     }
  92 
  93     /**
  94      * Passes the properties from the source object along after adding a
  95      * property indicating the stream of filters it has been run through.
  96      * <p>
  97      * Note: This method is intended to be called by the ImageProducer
  98      * of the Image whose pixels are being filtered.  Developers using
  99      * this class to filter pixels from an image should avoid calling
 100      * this method directly since that operation could interfere
 101      * with the filtering operation.
 102      *
 103      * @param props the properties from the source object
 104      * @exception NullPointerException if <code>props</code> is null
 105      */
 106     public void setProperties(Hashtable<?,?> props) {

 107         Hashtable<Object,Object> p = (Hashtable<Object,Object>)props.clone();
 108         Object o = p.get("filters");
 109         if (o == null) {
 110             p.put("filters", toString());
 111         } else if (o instanceof String) {
 112             p.put("filters", ((String) o)+toString());
 113         }
 114         consumer.setProperties(p);
 115     }
 116 
 117     /**
 118      * Filter the information provided in the setColorModel method
 119      * of the ImageConsumer interface.
 120      * <p>
 121      * Note: This method is intended to be called by the ImageProducer
 122      * of the Image whose pixels are being filtered.  Developers using
 123      * this class to filter pixels from an image should avoid calling
 124      * this method directly since that operation could interfere
 125      * with the filtering operation.
 126      * @see ImageConsumer#setColorModel


   1 /*
   2  * Copyright (c) 1995, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  87      * @see ImageConsumer#setDimensions
  88      */
  89     public void setDimensions(int width, int height) {
  90         consumer.setDimensions(width, height);
  91     }
  92 
  93     /**
  94      * Passes the properties from the source object along after adding a
  95      * property indicating the stream of filters it has been run through.
  96      * <p>
  97      * Note: This method is intended to be called by the ImageProducer
  98      * of the Image whose pixels are being filtered.  Developers using
  99      * this class to filter pixels from an image should avoid calling
 100      * this method directly since that operation could interfere
 101      * with the filtering operation.
 102      *
 103      * @param props the properties from the source object
 104      * @exception NullPointerException if <code>props</code> is null
 105      */
 106     public void setProperties(Hashtable<?,?> props) {
 107         @SuppressWarnings("unchecked")
 108         Hashtable<Object,Object> p = (Hashtable<Object,Object>)props.clone();
 109         Object o = p.get("filters");
 110         if (o == null) {
 111             p.put("filters", toString());
 112         } else if (o instanceof String) {
 113             p.put("filters", ((String) o)+toString());
 114         }
 115         consumer.setProperties(p);
 116     }
 117 
 118     /**
 119      * Filter the information provided in the setColorModel method
 120      * of the ImageConsumer interface.
 121      * <p>
 122      * Note: This method is intended to be called by the ImageProducer
 123      * of the Image whose pixels are being filtered.  Developers using
 124      * this class to filter pixels from an image should avoid calling
 125      * this method directly since that operation could interfere
 126      * with the filtering operation.
 127      * @see ImageConsumer#setColorModel