1 /*
   2  * Copyright (c) 2013, 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

  42     @Override
  43     public Image getResolutionVariant(int width, int height) {
  44         return ((width <= getWidth() && height <= getHeight()))
  45                 ? this : resolutionVariant;
  46     }
  47 
  48     public Image getResolutionVariant() {
  49         return resolutionVariant;
  50     }
  51 
  52     @Override
  53     public List<Image> getResolutionVariants() {
  54         return Arrays.<Image>asList(this, resolutionVariant);
  55     }
  56 
  57     private static final int BITS_INFO = ImageObserver.SOMEBITS
  58             | ImageObserver.FRAMEBITS | ImageObserver.ALLBITS;
  59 
  60     private static class ObserverCache {
  61 

  62         static final SoftCache INSTANCE = new SoftCache();
  63     }
  64 
  65     public static ImageObserver getResolutionVariantObserver(
  66             final Image image, final ImageObserver observer,
  67             final int imgWidth, final int imgHeight,
  68             final int rvWidth, final int rvHeight) {
  69         return getResolutionVariantObserver(image, observer,
  70                 imgWidth, imgHeight, rvWidth, rvHeight, false);
  71     }
  72 
  73     public static ImageObserver getResolutionVariantObserver(
  74             final Image image, final ImageObserver observer,
  75             final int imgWidth, final int imgHeight,
  76             final int rvWidth, final int rvHeight, boolean concatenateInfo) {
  77 
  78         if (observer == null) {
  79             return null;
  80         }
  81 

   1 /*
   2  * Copyright (c) 2013, 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

  42     @Override
  43     public Image getResolutionVariant(int width, int height) {
  44         return ((width <= getWidth() && height <= getHeight()))
  45                 ? this : resolutionVariant;
  46     }
  47 
  48     public Image getResolutionVariant() {
  49         return resolutionVariant;
  50     }
  51 
  52     @Override
  53     public List<Image> getResolutionVariants() {
  54         return Arrays.<Image>asList(this, resolutionVariant);
  55     }
  56 
  57     private static final int BITS_INFO = ImageObserver.SOMEBITS
  58             | ImageObserver.FRAMEBITS | ImageObserver.ALLBITS;
  59 
  60     private static class ObserverCache {
  61 
  62         @SuppressWarnings("deprecation")
  63         static final SoftCache INSTANCE = new SoftCache();
  64     }
  65 
  66     public static ImageObserver getResolutionVariantObserver(
  67             final Image image, final ImageObserver observer,
  68             final int imgWidth, final int imgHeight,
  69             final int rvWidth, final int rvHeight) {
  70         return getResolutionVariantObserver(image, observer,
  71                 imgWidth, imgHeight, rvWidth, rvHeight, false);
  72     }
  73 
  74     public static ImageObserver getResolutionVariantObserver(
  75             final Image image, final ImageObserver observer,
  76             final int imgWidth, final int imgHeight,
  77             final int rvWidth, final int rvHeight, boolean concatenateInfo) {
  78 
  79         if (observer == null) {
  80             return null;
  81         }
  82