1 /*
   2  * Copyright (c) 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
  23  * questions.
  24  */
  25 package sun.awt.image;
  26 
  27 import sun.awt.OSInfo;
  28 
  29 public enum ImageResolutionHelperType implements ImageResolutionHelper {
  30     DPI_AWARE {
  31 
  32         @Override
  33         public float getHiDPISize(float logicalDPI, float baseImageSize,
  34                 float destImageSize) {
  35             return logicalDPI * baseImageSize;
  36         }
  37     },
  38     TRANSFORM_AWARE {
  39         @Override
  40         public float getHiDPISize(float logicalDPI, float baseImageSize,
  41                 float destImageSize) {
  42             return destImageSize;
  43         }
  44     };
  45 
  46     static ImageResolutionHelper getPlatformHelper() {
  47         return OSInfo.OSType.WINDOWS.equals(OSInfo.getOSType())
  48                 ? DPI_AWARE : TRANSFORM_AWARE;
  49     }
  50 }