src/share/classes/com/sun/imageio/plugins/bmp/BMPImageReader.java

Print this page


   1 /*
   2  * Copyright (c) 2003, 2005, 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


 789                 if (seleBand)
 790                     sampleModel = sampleModel.createSubsetSampleModel(sourceBands);
 791                 raster = Raster.createWritableRaster(sampleModel, new Point());
 792                 bi = new BufferedImage(colorModel, raster, false, null);
 793             }
 794         } else {
 795             raster = bi.getWritableTile(0, 0);
 796             sampleModel = bi.getSampleModel();
 797             colorModel = bi.getColorModel();
 798 
 799             noTransform &=  destinationRegion.equals(raster.getBounds());
 800         }
 801 
 802         byte bdata[] = null; // buffer for byte data
 803         short sdata[] = null; // buffer for short data
 804         int idata[] = null; // buffer for int data
 805 
 806         // the sampleModel can be null in case of embedded image
 807         if (sampleModel != null) {
 808             if (sampleModel.getDataType() == DataBuffer.TYPE_BYTE)
 809                 bdata = (byte[])
 810                     ((DataBufferByte)raster.getDataBuffer()).getData();
 811             else if (sampleModel.getDataType() == DataBuffer.TYPE_USHORT)
 812                 sdata = (short[])
 813                     ((DataBufferUShort)raster.getDataBuffer()).getData();
 814             else if (sampleModel.getDataType() == DataBuffer.TYPE_INT)
 815                 idata = (int[])
 816                     ((DataBufferInt)raster.getDataBuffer()).getData();
 817         }
 818 
 819         // There should only be one tile.
 820         switch(imageType) {
 821 
 822         case VERSION_2_1_BIT:
 823             // no compression
 824             read1Bit(bdata);
 825             break;
 826 
 827         case VERSION_2_4_BIT:
 828             // no compression
 829             read4Bit(bdata);
 830             break;
 831 
 832         case VERSION_2_8_BIT:
 833             // no compression
 834             read8Bit(bdata);
 835             break;
 836 


   1 /*
   2  * Copyright (c) 2003, 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


 789                 if (seleBand)
 790                     sampleModel = sampleModel.createSubsetSampleModel(sourceBands);
 791                 raster = Raster.createWritableRaster(sampleModel, new Point());
 792                 bi = new BufferedImage(colorModel, raster, false, null);
 793             }
 794         } else {
 795             raster = bi.getWritableTile(0, 0);
 796             sampleModel = bi.getSampleModel();
 797             colorModel = bi.getColorModel();
 798 
 799             noTransform &=  destinationRegion.equals(raster.getBounds());
 800         }
 801 
 802         byte bdata[] = null; // buffer for byte data
 803         short sdata[] = null; // buffer for short data
 804         int idata[] = null; // buffer for int data
 805 
 806         // the sampleModel can be null in case of embedded image
 807         if (sampleModel != null) {
 808             if (sampleModel.getDataType() == DataBuffer.TYPE_BYTE)
 809                 bdata = ((DataBufferByte)raster.getDataBuffer()).getData();

 810             else if (sampleModel.getDataType() == DataBuffer.TYPE_USHORT)
 811                 sdata = ((DataBufferUShort)raster.getDataBuffer()).getData();

 812             else if (sampleModel.getDataType() == DataBuffer.TYPE_INT)
 813                 idata = ((DataBufferInt)raster.getDataBuffer()).getData();

 814         }
 815 
 816         // There should only be one tile.
 817         switch(imageType) {
 818 
 819         case VERSION_2_1_BIT:
 820             // no compression
 821             read1Bit(bdata);
 822             break;
 823 
 824         case VERSION_2_4_BIT:
 825             // no compression
 826             read4Bit(bdata);
 827             break;
 828 
 829         case VERSION_2_8_BIT:
 830             // no compression
 831             read8Bit(bdata);
 832             break;
 833