/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.sanselan.formats.psd;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.sanselan.ImageFormat;
import org.apache.sanselan.ImageInfo;
import org.apache.sanselan.ImageParser;
import org.apache.sanselan.ImageReadException;
import org.apache.sanselan.common.IImageMetadata;
import org.apache.sanselan.common.byteSources.ByteSource;
import org.apache.sanselan.formats.psd.dataparsers.DataParser;
import org.apache.sanselan.formats.psd.dataparsers.DataParserBitmap;
import org.apache.sanselan.formats.psd.dataparsers.DataParserCMYK;
import org.apache.sanselan.formats.psd.dataparsers.DataParserGrayscale;
import org.apache.sanselan.formats.psd.dataparsers.DataParserIndexed;
import org.apache.sanselan.formats.psd.dataparsers.DataParserLab;
import org.apache.sanselan.formats.psd.dataparsers.DataParserRGB;
import org.apache.sanselan.formats.psd.datareaders.CompressedDataReader;
import org.apache.sanselan.formats.psd.datareaders.DataReader;
import org.apache.sanselan.formats.psd.datareaders.UncompressedDataReader;
import org.apache.sanselan.util.Debug;
import com.google.code.appengine.awt.Dimension;
import com.google.code.appengine.awt.image.BufferedImage;
public class PsdImageParser extends ImageParser
{
public PsdImageParser()
{
super.setByteOrder(BYTE_ORDER_MSB);
// setDebug(true);
}
public String getName()
{
return "PSD-Custom";
}
public String getDefaultExtension()
{
return DEFAULT_EXTENSION;
}
private static final String DEFAULT_EXTENSION = ".psd";
private static final String ACCEPTED_EXTENSIONS[] = { DEFAULT_EXTENSION, };
protected String[] getAcceptedExtensions()
{
return ACCEPTED_EXTENSIONS;
}
protected ImageFormat[] getAcceptedTypes()
{
return new ImageFormat[] { ImageFormat.IMAGE_FORMAT_PSD, //
};
}
private PSDHeaderInfo readHeader(ByteSource byteSource)
throws ImageReadException, IOException
{
InputStream is = null;
try
{
is = byteSource.getInputStream();
return readHeader(is);
} finally
{
try
{
if (is != null) {
is.close();
}
} catch (Exception e)
{
Debug.debug(e);
}
}
}
private PSDHeaderInfo readHeader(InputStream is) throws ImageReadException,
IOException
{
readAndVerifyBytes(is, new byte[] { 56, 66, 80, 83 },
"Not a Valid PSD File");
int Version = read2Bytes("Version", is, "Not a Valid PSD File");
byte Reserved[] = readByteArray("Reserved", 6, is,
"Not a Valid PSD File");
int Channels = read2Bytes("Channels", is, "Not a Valid PSD File");
int Rows = read4Bytes("Rows", is, "Not a Valid PSD File");
int Columns = read4Bytes("Columns", is, "Not a Valid PSD File");
int Depth = read2Bytes("Depth", is, "Not a Valid PSD File");
int Mode = read2Bytes("Mode", is, "Not a Valid PSD File");
PSDHeaderInfo result = new PSDHeaderInfo(Version, Reserved, Channels,
Rows, Columns, Depth, Mode);
return result;
}
private ImageContents readImageContents(InputStream is)
throws ImageReadException, IOException
{
PSDHeaderInfo header = readHeader(is);
int ColorModeDataLength = read4Bytes("ColorModeDataLength", is,
"Not a Valid PSD File");
skipBytes(is, ColorModeDataLength);
// is.skip(ColorModeDataLength);
// byte ColorModeData[] = readByteArray("ColorModeData",
// ColorModeDataLength, is, "Not a Valid PSD File");
int ImageResourcesLength = read4Bytes("ImageResourcesLength", is,
"Not a Valid PSD File");
skipBytes(is, ImageResourcesLength);
// long skipped = is.skip(ImageResourcesLength);
// byte ImageResources[] = readByteArray("ImageResources",
// ImageResourcesLength, is, "Not a Valid PSD File");
int LayerAndMaskDataLength = read4Bytes("LayerAndMaskDataLength", is,
"Not a Valid PSD File");
skipBytes(is, LayerAndMaskDataLength);
// is.skip(LayerAndMaskDataLength);
// byte LayerAndMaskData[] = readByteArray("LayerAndMaskData",
// LayerAndMaskDataLength, is, "Not a Valid PSD File");
int Compression = read2Bytes("Compression", is, "Not a Valid PSD File");
// skip_bytes(is, LayerAndMaskDataLength);
// byte ImageData[] = readByteArray("ImageData", LayerAndMaskDataLength,
// is, "Not a Valid PSD File");
// System.out.println("Compression: " + Compression);
ImageContents result = new ImageContents(header, ColorModeDataLength,
// ColorModeData,
ImageResourcesLength,
// ImageResources,
LayerAndMaskDataLength,
// LayerAndMaskData,
Compression);
return result;
}
private ArrayList readImageResourceBlocks(byte bytes[],
int imageResourceIDs[], int maxBlocksToRead)
throws ImageReadException, IOException
{
return readImageResourceBlocks(new ByteArrayInputStream(bytes),
imageResourceIDs, maxBlocksToRead, bytes.length);
}
private boolean keepImageResourceBlock(int ID, int imageResourceIDs[])
{
if (imageResourceIDs == null)
return true;
for (int i = 0; i < imageResourceIDs.length; i++)
if (ID == imageResourceIDs[i])
return true;
return false;
}
private ArrayList readImageResourceBlocks(InputStream is,
int imageResourceIDs[], int maxBlocksToRead, int available)
throws ImageReadException, IOException
{
ArrayList result = new ArrayList();
while (available > 0)
{
readAndVerifyBytes(is, new byte[] { 56, 66, 73, 77 },
"Not a Valid PSD File");
available -= 4;
int id = read2Bytes("ID", is, "Not a Valid PSD File");
available -= 2;
int nameLength = readByte("NameLength", is, "Not a Valid PSD File");
available -= 1;
byte nameBytes[] = readByteArray("NameData", nameLength, is,
"Not a Valid PSD File");
available -= nameLength;
if (((nameLength + 1) % 2) != 0)
{
int NameDiscard = readByte("NameDiscard", is,
"Not a Valid PSD File");
available -= 1;
}
// String Name = readPString("Name", 6, is, "Not a Valid PSD File");
int DataSize = read4Bytes("Size", is, "Not a Valid PSD File");
available -= 4;
// int ActualDataSize = ((DataSize % 2) == 0)
// ? DataSize
// : DataSize + 1; // pad to make even
byte Data[] = readByteArray("Data", DataSize, is,
"Not a Valid PSD File");
available -= DataSize;
if ((DataSize % 2) != 0)
{
int DataDiscard = readByte("DataDiscard", is,
"Not a Valid PSD File");
available -= 1;
}
if (keepImageResourceBlock(id, imageResourceIDs))
{
result.add(new ImageResourceBlock(id, nameBytes, Data));
if ((maxBlocksToRead >= 0)
&& (result.size() >= maxBlocksToRead))
return result;
}
// debugNumber("ID", ID, 2);
}
return result;
}
private ArrayList readImageResourceBlocks(ByteSource byteSource,
int imageResourceIDs[], int maxBlocksToRead)
throws ImageReadException, IOException
{
InputStream is = null;
try
{
is = byteSource.getInputStream();
ImageContents imageContents = readImageContents(is);
is.close();
is = this.getInputStream(byteSource, PSD_SECTION_IMAGE_RESOURCES);
byte ImageResources[] = readByteArray("ImageResources",
imageContents.ImageResourcesLength, is,
"Not a Valid PSD File");
return readImageResourceBlocks(ImageResources, imageResourceIDs,
maxBlocksToRead);
} finally
{
try
{
if (is != null) {
is.close();
}
} catch (Exception e)
{
Debug.debug(e);
}
}
}
private static final int PSD_SECTION_HEADER = 0;
private static final int PSD_SECTION_COLOR_MODE = 1;
private static final int PSD_SECTION_IMAGE_RESOURCES = 2;
private static final int PSD_SECTION_LAYER_AND_MASK_DATA = 3;
private static final int PSD_SECTION_IMAGE_DATA = 4;
private static final int PSD_HEADER_LENGTH = 26;
private InputStream getInputStream(ByteSource byteSource, int section)
throws ImageReadException, IOException
{
InputStream is = byteSource.getInputStream();
if (section == PSD_SECTION_HEADER)
return is;
skipBytes(is, PSD_HEADER_LENGTH);
// is.skip(kHeaderLength);
int ColorModeDataLength = read4Bytes("ColorModeDataLength", is,
"Not a Valid PSD File");
if (section == PSD_SECTION_COLOR_MODE)
return is;
skipBytes(is, ColorModeDataLength);
// byte ColorModeData[] = readByteArray("ColorModeData",
// ColorModeDataLength, is, "Not a Valid PSD File");
int ImageResourcesLength = read4Bytes("ImageResourcesLength", is,
"Not a Valid PSD File");
if (section == PSD_SECTION_IMAGE_RESOURCES)
return is;
skipBytes(is, ImageResourcesLength);
// byte ImageResources[] = readByteArray("ImageResources",
// ImageResourcesLength, is, "Not a Valid PSD File");
int LayerAndMaskDataLength = read4Bytes("LayerAndMaskDataLength", is,
"Not a Valid PSD File");
if (section == PSD_SECTION_LAYER_AND_MASK_DATA)
return is;
skipBytes(is, LayerAndMaskDataLength);
// byte LayerAndMaskData[] = readByteArray("LayerAndMaskData",
// LayerAndMaskDataLength, is, "Not a Valid PSD File");
int Compression = read2Bytes("Compression", is, "Not a Valid PSD File");
// byte ImageData[] = readByteArray("ImageData",
// LayerAndMaskDataLength, is, "Not a Valid PSD File");
if (section == PSD_SECTION_IMAGE_DATA)
return is;
throw new ImageReadException("getInputStream: Unknown Section: "
+ section);
}
private byte[] getData(ByteSource byteSource, int section)
throws ImageReadException, IOException
{
InputStream is = null;
try
{
is = byteSource.getInputStream();
// PSDHeaderInfo header = readHeader(is);
if (section == PSD_SECTION_HEADER)
return readByteArray("Header", PSD_HEADER_LENGTH, is,
"Not a Valid PSD File");
skipBytes(is, PSD_HEADER_LENGTH);
int ColorModeDataLength = read4Bytes("ColorModeDataLength", is,
"Not a Valid PSD File");
if (section == PSD_SECTION_COLOR_MODE)
return readByteArray("ColorModeData", ColorModeDataLength, is,
"Not a Valid PSD File");
skipBytes(is, ColorModeDataLength);
// byte ColorModeData[] = readByteArray("ColorModeData",
// ColorModeDataLength, is, "Not a Valid PSD File");
int ImageResourcesLength = read4Bytes("ImageResourcesLength", is,
"Not a Valid PSD File");
if (section == PSD_SECTION_IMAGE_RESOURCES)
return readByteArray("ImageResources", ImageResourcesLength,
is, "Not a Valid PSD File");
skipBytes(is, ImageResourcesLength);
// byte ImageResources[] = readByteArray("ImageResources",
// ImageResourcesLength, is, "Not a Valid PSD File");
int LayerAndMaskDataLength = read4Bytes("LayerAndMaskDataLength",
is, "Not a Valid PSD File");
if (section == PSD_SECTION_LAYER_AND_MASK_DATA)
return readByteArray("LayerAndMaskData",
LayerAndMaskDataLength, is, "Not a Valid PSD File");
skipBytes(is, LayerAndMaskDataLength);
// byte LayerAndMaskData[] = readByteArray("LayerAndMaskData",
// LayerAndMaskDataLength, is, "Not a Valid PSD File");
int Compression = read2Bytes("Compression", is,
"Not a Valid PSD File");
// byte ImageData[] = readByteArray("ImageData",
// LayerAndMaskDataLength, is, "Not a Valid PSD File");
// if (section == kPSD_SECTION_IMAGE_DATA)
// return readByteArray("LayerAndMaskData", LayerAndMaskDataLength,
// is,
// "Not a Valid PSD File");
} finally
{
try
{
if (is != null) {
is.close();
}
} catch (Exception e)
{
Debug.debug(e);
}
}
throw new ImageReadException("getInputStream: Unknown Section: "
+ section);
}
private ImageContents readImageContents(ByteSource byteSource)
throws ImageReadException, IOException
{
InputStream is = null;
try
{
is = byteSource.getInputStream();
ImageContents imageContents = readImageContents(is);
return imageContents;
} finally
{
try
{
if (is != null) {
is.close();
}
} catch (Exception e)
{
Debug.debug(e);
}
}
}
public final static int IMAGE_RESOURCE_ID_ICC_PROFILE = 0x040F;
public byte[] getICCProfileBytes(ByteSource byteSource, Map params)
throws ImageReadException, IOException
{
ArrayList blocks = readImageResourceBlocks(byteSource,
new int[] { IMAGE_RESOURCE_ID_ICC_PROFILE, }, 1);
if ((blocks == null) || (blocks.size() < 1))
return null;
ImageResourceBlock irb = (ImageResourceBlock) blocks.get(0);
byte bytes[] = irb.data;
if ((bytes == null) || (bytes.length < 1))
return null;
return bytes;
}
public Dimension getImageSize(ByteSource byteSource, Map params)
throws ImageReadException, IOException
{
PSDHeaderInfo bhi = readHeader(byteSource);
if (bhi == null)
throw new ImageReadException("PSD: couldn't read header");
return new Dimension(bhi.Columns, bhi.Rows);
}
public byte[] embedICCProfile(byte image[], byte profile[])
{
return null;
}
public boolean embedICCProfile(File src, File dst, byte profile[])
{
return false;
}
public IImageMetadata getMetadata(ByteSource byteSource, Map params)
throws ImageReadException, IOException
{
return null;
}
private int getChannelsPerMode(int mode)
{
switch (mode)
{
case 0: // Bitmap
return 1;
case 1: // Grayscale
return 1;
case 2: // Indexed
return -1;
case 3: // RGB
return 3;
case 4: // CMYK
return 4;
case 7: // Multichannel
return -1;
case 8: // Duotone
return -1;
case 9: // Lab
return 4;
default:
return -1;
}
}
public ImageInfo getImageInfo(ByteSource byteSource, Map params)
throws ImageReadException, IOException
{
ImageContents imageContents = readImageContents(byteSource);
// ImageContents imageContents = readImage(byteSource, false);
if (imageContents == null)
throw new ImageReadException("PSD: Couldn't read blocks");
PSDHeaderInfo header = imageContents.header;
if (header == null)
throw new ImageReadException("PSD: Couldn't read Header");
int Width = header.Columns;
int Height = header.Rows;
ArrayList Comments = new ArrayList();
// TODO: comments...
int BitsPerPixel = header.Depth * getChannelsPerMode(header.Mode);
// System.out.println("header.Depth: " + header.Depth);
// System.out.println("header.Mode: " + header.Mode);
// System.out.println("getChannelsPerMode(header.Mode): " +
// getChannelsPerMode(header.Mode));
if (BitsPerPixel < 0)
BitsPerPixel = 0;
ImageFormat Format = ImageFormat.IMAGE_FORMAT_PSD;
String FormatName = "Photoshop";
String MimeType = "image/x-photoshop";
// we ought to count images, but don't yet.
int NumberOfImages = -1;
// not accurate ... only reflects first
boolean isProgressive = false;
int PhysicalWidthDpi = 72;
float PhysicalWidthInch = (float) ((double) Width / (double) PhysicalWidthDpi);
int PhysicalHeightDpi = 72;
float PhysicalHeightInch = (float) ((double) Height / (double) PhysicalHeightDpi);
String FormatDetails = "Psd";
boolean isTransparent = false; // TODO: inaccurate.
boolean usesPalette = header.Mode == COLOR_MODE_INDEXED;
int ColorType = ImageInfo.COLOR_TYPE_UNKNOWN;
String compressionAlgorithm;
switch (imageContents.Compression)
{
case 0:
compressionAlgorithm = ImageInfo.COMPRESSION_ALGORITHM_NONE;
break;
case 1:
compressionAlgorithm = ImageInfo.COMPRESSION_ALGORITHM_PSD;
break;
default:
compressionAlgorithm = ImageInfo.COMPRESSION_ALGORITHM_UNKNOWN;
}
ImageInfo result = new ImageInfo(FormatDetails, BitsPerPixel, Comments,
Format, FormatName, Height, MimeType, NumberOfImages,
PhysicalHeightDpi, PhysicalHeightInch, PhysicalWidthDpi,
PhysicalWidthInch, Width, isProgressive, isTransparent,
usesPalette, ColorType, compressionAlgorithm);
return result;
}
// TODO not used
private ImageResourceBlock findImageResourceBlock(ArrayList blocks, int ID)
{
for (int i = 0; i < blocks.size(); i++)
{
ImageResourceBlock block = (ImageResourceBlock) blocks.get(i);
if (block.id == ID)
return block;
}
return null;
}
public boolean dumpImageFile(PrintWriter pw, ByteSource byteSource)
throws ImageReadException, IOException
{
pw.println("gif.dumpImageFile");
{
ImageInfo fImageData = getImageInfo(byteSource);
if (fImageData == null)
return false;
fImageData.toString(pw, "");
}
{
ImageContents imageContents = readImageContents(byteSource);
imageContents.dump(pw);
imageContents.header.dump(pw);
ArrayList blocks = readImageResourceBlocks(byteSource,
// fImageContents.ImageResources,
null, -1);
pw.println("blocks.size(): " + blocks.size());
// System.out.println("gif.blocks: " + blocks.blocks.size());
for (int i = 0; i < blocks.size(); i++)
{
ImageResourceBlock block = (ImageResourceBlock) blocks.get(i);
pw.println("\t" + i + " (" + Integer.toHexString(block.id)
+ ", " + "'"
+ new String(block.nameData)
+ "' ("
+ block.nameData.length
+ "), "
// + block.getClass().getName()
// + ", "
+ " data: " + block.data.length + " type: '"
+ new PSDConstants().getDescription(block.id) + "' "
+ ")");
}
}
pw.println("");
return true;
}
private static final int COLOR_MODE_INDEXED = 2;
public BufferedImage getBufferedImage(ByteSource byteSource, Map params)
throws ImageReadException, IOException
{
ImageContents imageContents = readImageContents(byteSource);
// ImageContents imageContents = readImage(byteSource, false);
if (imageContents == null)
throw new ImageReadException("PSD: Couldn't read blocks");
PSDHeaderInfo header = imageContents.header;
if (header == null)
throw new ImageReadException("PSD: Couldn't read Header");
// ImageDescriptor id = (ImageDescriptor)
// findBlock(fImageContents.blocks,
// kImageSeperator);
// if (id == null)
// throw new ImageReadException("PSD: Couldn't read Image Descriptor");
// GraphicControlExtension gce = (GraphicControlExtension) findBlock(
// fImageContents.blocks, kGraphicControlExtension);
ArrayList blocks = readImageResourceBlocks(byteSource,
// fImageContents.ImageResources,
null, -1);
int width = header.Columns;
int height = header.Rows;
// int height = header.Columns;
// int transfer_type;
// transfer_type = DataBuffer.TYPE_BYTE;
boolean hasAlpha = false;
BufferedImage result = getBufferedImageFactory(params)
.getColorBufferedImage(width, height, hasAlpha);
DataParser dataParser;
switch (imageContents.header.Mode)
{
case 0: // bitmap
dataParser = new DataParserBitmap();
break;
case 1:
case 8: // Duotone=8;
dataParser = new DataParserGrayscale();
break;
case 3:
dataParser = new DataParserRGB();
break;
case 4:
dataParser = new DataParserCMYK();
break;
case 9:
dataParser = new DataParserLab();
break;
case COLOR_MODE_INDEXED:
// case 2 : // Indexed=2;
{
byte ColorModeData[] = getData(byteSource, PSD_SECTION_COLOR_MODE);
// ImageResourceBlock block = findImageResourceBlock(blocks,
// 0x03EB);
// if (block == null)
// throw new ImageReadException(
// "Missing: Indexed Color Image Resource Block");
dataParser = new DataParserIndexed(ColorModeData);
break;
}
case 7: // Multichannel=7;
// fDataParser = new DataParserStub();
// break;
// case 1 :
// fDataReader = new CompressedDataReader();
// break;
default:
throw new ImageReadException("Unknown Mode: "
+ imageContents.header.Mode);
}
DataReader fDataReader;
switch (imageContents.Compression)
{
case 0:
fDataReader = new UncompressedDataReader(dataParser);
break;
case 1:
fDataReader = new CompressedDataReader(dataParser);
break;
default:
throw new ImageReadException("Unknown Compression: "
+ imageContents.Compression);
}
{
InputStream is = null;
try
{
is = getInputStream(byteSource, PSD_SECTION_IMAGE_DATA);
fDataReader.readData(is, result, imageContents, this);
fDataReader.dump();
// is.
// ImageContents imageContents = readImageContents(is);
// return imageContents;
} finally
{
try
{
if (is != null)
is.close();
} catch (Exception e)
{
Debug.debug(e);
}
}
}
return result;
}
public final static int IMAGE_RESOURCE_ID_XMP = 0x0424;
public final static String BLOCK_NAME_XMP = "XMP";
/**
* Extracts embedded XML metadata as XML string.
* <p>
*
* @param byteSource
* File containing image data.
* @param params
* Map of optional parameters, defined in SanselanConstants.
* @return Xmp Xml as String, if present. Otherwise, returns null.
*/
public String getXmpXml(ByteSource byteSource, Map params)
throws ImageReadException, IOException
{
ImageContents imageContents = readImageContents(byteSource);
if (imageContents == null)
throw new ImageReadException("PSD: Couldn't read blocks");
PSDHeaderInfo header = imageContents.header;
if (header == null)
throw new ImageReadException("PSD: Couldn't read Header");
ArrayList blocks = readImageResourceBlocks(byteSource,
new int[] { IMAGE_RESOURCE_ID_XMP, }, -1);
if ((blocks == null) || (blocks.size() < 1))
return null;
List xmpBlocks = new ArrayList();
if (false)
{
// TODO: for PSD 7 and later, verify "XMP" name.
for (int i = 0; i < blocks.size(); i++)
{
ImageResourceBlock block = (ImageResourceBlock) blocks.get(i);
if (!block.getName().equals(BLOCK_NAME_XMP))
continue;
xmpBlocks.add(block);
}
} else
xmpBlocks.addAll(blocks);
if (xmpBlocks.size() < 1)
return null;
if (xmpBlocks.size() > 1)
throw new ImageReadException(
"PSD contains more than one XMP block.");
ImageResourceBlock block = (ImageResourceBlock) xmpBlocks.get(0);
try
{
// segment data is UTF-8 encoded xml.
String xml = new String(block.data, 0, block.data.length, "utf-8");
return xml;
} catch (UnsupportedEncodingException e)
{
throw new ImageReadException("Invalid JPEG XMP Segment.");
}
}
}