gt:                     int b = (pixel      ) & 0xff;
context: /*
   * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code 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
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package com.sun.javafx.image.impl;
  
  import com.sun.javafx.image.AlphaType;
  import com.sun.javafx.image.IntPixelAccessor;
  import com.sun.javafx.image.IntPixelGetter;
  import com.sun.javafx.image.IntPixelSetter;
  import com.sun.javafx.image.IntToBytePixelConverter;
  import com.sun.javafx.image.IntToIntPixelConverter;
  import com.sun.javafx.image.PixelUtils;
  import java.nio.ByteBuffer;
  import java.nio.IntBuffer;
  
  public class IntArgbPre {
      public static final IntPixelGetter     getter = Accessor.instance;
      public static final IntPixelSetter     setter = Accessor.instance;
      public static final IntPixelAccessor accessor = Accessor.instance;
  
      public static final IntToBytePixelConverter ToByteBgraConverter =
          IntArgbPre.ToByteBgraConv.instance;
      public static final IntToBytePixelConverter ToByteBgraPreConverter =
          new IntTo4ByteSameConverter(IntArgbPre.getter, ByteBgraPre.setter);
      public static final IntToIntPixelConverter ToIntArgbConverter =
          IntArgbPre.ToIntArgbConv.instance;
      public static final IntToIntPixelConverter ToIntArgbPreConverter =
          BaseIntToIntConverter.create(accessor);
  
      static class Accessor implements IntPixelAccessor {
          static final IntPixelAccessor instance = new Accessor();
          private Accessor() {}
  
          @Override
          public AlphaType getAlphaType() {
              return AlphaType.PREMULTIPLIED;
          }
  
          @Override
          public int getNumElements() {
              return 1;
          }
  
          @Override
          public int getArgb(int arr[], int offset) {
              return PixelUtils.PretoNonPre(arr[offset]);
          }
  
          @Override
          public int getArgbPre(int arr[], int offset) {
              return arr[offset];
          }
  
          @Override
          public int getArgb(IntBuffer buffer, int offset) {
              return PixelUtils.PretoNonPre(buffer.get(offset));
          }
  
          @Override
          public int getArgbPre(IntBuffer buffer, int offset) {
              return buffer.get(offset);
          }
  
          @Override
          public void setArgb(int arr[], int offset, int argb) {
              arr[offset] = PixelUtils.NonPretoPre(argb);
          }
  
          @Override
          public void setArgbPre(int arr[], int offset, int argbpre) {
              arr[offset] = argbpre;
          }
  
          @Override
          public void setArgb(IntBuffer buffer, int offset, int argb) {
              buffer.put(offset, PixelUtils.NonPretoPre(argb));
          }
  
          @Override
          public void setArgbPre(IntBuffer buffer, int offset, int argbpre) {
              buffer.put(offset, argbpre);
          }
      }
  
      public static class ToIntArgbConv extends BaseIntToIntConverter {
          public static final IntToIntPixelConverter instance =
              new ToIntArgbConv();
  
          private ToIntArgbConv() {
              super(IntArgbPre.getter, IntArgb.setter);
          }
  
          @Override
          void doConvert(int srcarr[], int srcoff, int srcscanints,
                         int dstarr[], int dstoff, int dstscanints,
                         int w, int h)
          {
              srcscanints -= w;
              dstscanints -= w;
              while (--h >= 0) {
                  for (int x = 0; x < w; x++) {
                      int pixel = srcarr[srcoff++];
                      int a = pixel >>> 24;
                      if (a > 0 && a < 0xff) {
                          int halfa = a >> 1;
                          int r = (((pixel >> 16) & 0xff) * 0xff + halfa) / a;
                          int g = (((pixel >>  8) & 0xff) * 0xff + halfa) / a;
                          int b = (((pixel      ) & 0xff) * 0xff + halfa) / a;
                          pixel = (a << 24) | (r << 16) | (g << 8) | b;
                      }
                      dstarr[dstoff++] = pixel;
                  }
                  srcoff += srcscanints;
                  dstoff += dstscanints;
              }
          }
  
          @Override
          void doConvert(IntBuffer srcbuf, int srcoff, int srcscanints,
                         IntBuffer dstbuf, int dstoff, int dstscanints,
                         int w, int h)
          {
              while (--h >= 0) {
                  for (int x = 0; x < w; x++) {
                      int pixel = srcbuf.get(srcoff + x);
                      int a = pixel >>> 24;
                      if (a > 0 && a < 0xff) {
                          int halfa = a >> 1;
                          int r = (((pixel >> 16) & 0xff) * 0xff + halfa) / a;
                          int g = (((pixel >>  8) & 0xff) * 0xff + halfa) / a;
                          int b = (((pixel      ) & 0xff) * 0xff + halfa) / a;
                          pixel = (a << 24) | (r << 16) | (g << 8) | b;
                      }
                      dstbuf.put(dstoff + x, pixel);
                  }
                  srcoff += srcscanints;
                  dstoff += dstscanints;
              }
          }
      }
  
      static class ToByteBgraConv extends BaseIntToByteConverter {
          public static final IntToBytePixelConverter instance =
              new ToByteBgraConv();
  
          private ToByteBgraConv() {
              super(IntArgbPre.getter, ByteBgra.setter);
          }
  
          @Override
          void doConvert(int  srcarr[], int srcoff, int srcscanints,
                         byte dstarr[], int dstoff, int dstscanbytes,
                         int w, int h)
          {
              srcscanints -= w;
              dstscanbytes -= w * 4;
              while (--h >= 0) {
                  for (int x = 0; x < w; x++) {
                      int pixel = srcarr[srcoff++];
                      int a = pixel >>> 24;
                      int r = (pixel >> 16) & 0xff;
                      int g = (pixel >>  8) & 0xff;
                      int b = (pixel      ) & 0xff;
                      if (a > 0 && a < 0xff) {
                          int halfa = a >> 1;
                          r = (r * 0xff + halfa) / a;
                          g = (g * 0xff + halfa) / a;
                          b = (b * 0xff + halfa) / a;
                      }
                      dstarr[dstoff++] = (byte) b;
                      dstarr[dstoff++] = (byte) g;
                      dstarr[dstoff++] = (byte) r;
                      dstarr[dstoff++] = (byte) a;
                  }
                  srcoff += srcscanints;
                  dstoff += dstscanbytes;
              }
          }
  
          @Override
          void doConvert(IntBuffer  srcbuf, int srcoff, int srcscanints,
                         ByteBuffer dstbuf, int dstoff, int dstscanbytes,
                         int w, int h)
          {
              dstscanbytes -= w * 4;
              while (--h >= 0) {
                  for (int x = 0; x < w; x++) {
                      int pixel = srcbuf.get(srcoff + x);
                      int a = pixel >>> 24;
                      int r = (pixel >> 16) & 0xff;
                      int g = (pixel >>  8) & 0xff;
  