diff options
Diffstat (limited to 'src/main/java/org/pdfbox/pdmodel/graphics/xobject/PDInlinedImage.java')
| -rw-r--r-- | src/main/java/org/pdfbox/pdmodel/graphics/xobject/PDInlinedImage.java | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/pdmodel/graphics/xobject/PDInlinedImage.java b/src/main/java/org/pdfbox/pdmodel/graphics/xobject/PDInlinedImage.java new file mode 100644 index 0000000..009743f --- /dev/null +++ b/src/main/java/org/pdfbox/pdmodel/graphics/xobject/PDInlinedImage.java @@ -0,0 +1,201 @@ +/**
+ * Copyright (c) 2003-2004, 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 Ben Litchfield (ben@csh.rit.edu)
+ * @version $Revision: 1.4 $
+ */
+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; filters != null && 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;
+ }
+}
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