/**
* Copyright (c) 2003-2006, www.pdfbox.org
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of pdfbox; nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* http://www.pdfbox.org
*
*/
package org.pdfbox.pdmodel.graphics.xobject;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferByte;
import java.awt.image.DataBufferInt;
import java.awt.image.IndexColorModel;
import java.awt.image.WritableRaster;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.List;
import org.pdfbox.filter.Filter;
import org.pdfbox.filter.FilterManager;
import org.pdfbox.pdmodel.graphics.color.PDColorSpace;
import org.pdfbox.util.ImageParameters;
/**
* This class represents an inlined image.
*
* @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
* @version $Revision: 1.5 $
*/
public class PDInlinedImage
{
private ImageParameters params;
private byte[] imageData;
/**
* This will get the image parameters.
*
* @return The image parameters.
*/
public ImageParameters getImageParameters()
{
return params;
}
/**
* This will set the image parameters for this image.
*
* @param imageParams The imageParams.
*/
public void setImageParameters( ImageParameters imageParams )
{
params = imageParams;
}
/**
* Get the bytes for the image.
*
* @return The image data.
*/
public byte[] getImageData()
{
return imageData;
}
/**
* Set the bytes that make up the image.
*
* @param value The image data.
*/
public void setImageData(byte[] value)
{
imageData = value;
}
/**
* This will take the inlined image information and create a java.awt.Image from
* it.
*
* @return The image that this object represents.
*
* @throws IOException If there is an error creating the image.
*/
public BufferedImage createImage() throws IOException
{
/*
* This was the previous implementation, not sure which is better right now.
* byte[] transparentColors = new byte[]{(byte)0xFF,(byte)0xFF};
byte[] colors=new byte[]{0, (byte)0xFF};
IndexColorModel colorModel = new IndexColorModel( 1, 2, colors, colors, colors, transparentColors );
BufferedImage image = new BufferedImage(
params.getWidth(),
params.getHeight(),
BufferedImage.TYPE_BYTE_BINARY,
colorModel );
DataBufferByte buffer = new DataBufferByte( getImageData(), 1 );
WritableRaster raster =
Raster.createPackedRaster(
buffer,
params.getWidth(),
params.getHeight(),
params.getBitsPerComponent(),
new Point(0,0) );
image.setData( raster );
return image;
*/
//verify again pci32.pdf before changing below
PDColorSpace pcs = params.getColorSpace();
ColorModel colorModel = null;
if(pcs != null)
{
colorModel =
params.getColorSpace().createColorModel(
params.getBitsPerComponent() );
}
else
{
byte[] transparentColors = new
byte[]{(byte)0xFF,(byte)0xFF};
byte[] colors=new byte[]{0, (byte)0xFF};
colorModel = new IndexColorModel( 1, 2,
colors, colors, colors, transparentColors );
}
List filters = params.getFilters();
byte[] finalData = null;
if( filters == null )
{
finalData = getImageData();
}
else
{
ByteArrayInputStream in = new ByteArrayInputStream( getImageData() );
ByteArrayOutputStream out = new ByteArrayOutputStream(getImageData().length);
FilterManager filterManager = new FilterManager();
for( int i=0; i<filters.size(); i++ )
{
out.reset();
Filter filter = filterManager.getFilter( (String)filters.get( i ) );
filter.decode( in, out, params.getDictionary() );
in = new ByteArrayInputStream( out.toByteArray() );
}
finalData = out.toByteArray();
}
WritableRaster raster = colorModel.createCompatibleWritableRaster( params.getWidth(), params.getHeight() );
/* Raster.createPackedRaster(
buffer,
params.getWidth(),
params.getHeight(),
params.getBitsPerComponent(),
new Point(0,0) );
*/
DataBuffer rasterBuffer = raster.getDataBuffer();
if( rasterBuffer instanceof DataBufferByte )
{
DataBufferByte byteBuffer = (DataBufferByte)rasterBuffer;
byte[] data = byteBuffer.getData();
System.arraycopy( finalData, 0, data, 0, data.length );
}
else if( rasterBuffer instanceof DataBufferInt )
{
DataBufferInt byteBuffer = (DataBufferInt)rasterBuffer;
int[] data = byteBuffer.getData();
for( int i=0; i<finalData.length; i++ )
{
data[i] = (finalData[i]+256)%256;
}
}
BufferedImage image = new BufferedImage(
colorModel, raster, false, null );
image.setData( raster );
return image;
}
}