| 1 | package com.drew.metadata.photoshop;
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| 2 |
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| 3 | import java.io.IOException;
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| 4 | import java.util.Set;
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| 5 |
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| 6 | import com.drew.lang.ByteArrayReader;
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| 7 | import com.drew.lang.RandomAccessReader;
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| 8 | import com.drew.lang.SequentialByteArrayReader;
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| 9 | import com.drew.lang.annotations.NotNull;
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| 10 | import com.drew.metadata.Directory;
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| 11 | import com.drew.metadata.Metadata;
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| 12 | import com.drew.metadata.exif.ExifTiffHandler;
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| 13 | import com.drew.metadata.icc.IccReader;
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| 14 | //import com.drew.metadata.xmp.XmpReader;
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| 15 |
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| 16 | /**
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| 17 | * @author Payton Garland
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| 18 | */
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| 19 | public class PhotoshopTiffHandler extends ExifTiffHandler
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| 20 | {
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| 21 | // Photoshop-specific Tiff Tags
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| 22 | // http://www.adobe.com/devnet-apps/photoshop/fileformatashtml/#50577413_pgfId-1039502
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| 23 | private static final int TAG_PAGE_MAKER_EXTENSION = 0x014A;
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| 24 | private static final int TAG_JPEG_TABLES = 0X01B5;
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| 25 | private static final int TAG_XMP = 0x02BC;
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| 26 | private static final int TAG_FILE_INFORMATION = 0x83BB;
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| 27 | private static final int TAG_PHOTOSHOP_IMAGE_RESOURCES = 0x8649;
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| 28 | private static final int TAG_EXIF_IFD_POINTER = 0x8769;
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| 29 | private static final int TAG_ICC_PROFILES = 0x8773;
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| 30 | private static final int TAG_EXIF_GPS = 0x8825;
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| 31 | private static final int TAG_T_IMAGE_SOURCE_DATA = 0x935C;
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| 32 | private static final int TAG_T_ANNOTATIONS = 0xC44F;
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| 33 |
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| 34 | public PhotoshopTiffHandler(Metadata metadata, Directory parentDirectory)
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| 35 | {
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| 36 | super(metadata, parentDirectory);
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| 37 | }
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| 38 |
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| 39 | @Override
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| 40 | public boolean customProcessTag(final int tagOffset,
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| 41 | final @NotNull Set<Integer> processedIfdOffsets,
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| 42 | final int tiffHeaderOffset,
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| 43 | final @NotNull RandomAccessReader reader,
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| 44 | final int tagId,
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| 45 | final int byteCount) throws IOException
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| 46 | {
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| 47 | switch (tagId) {
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| 48 | //case TAG_XMP:
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| 49 | // new XmpReader().extract(reader.getBytes(tagOffset, byteCount), _metadata);
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| 50 | // return true;
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| 51 | case TAG_PHOTOSHOP_IMAGE_RESOURCES:
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| 52 | new PhotoshopReader().extract(new SequentialByteArrayReader(reader.getBytes(tagOffset, byteCount)), byteCount, _metadata);
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| 53 | return true;
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| 54 | case TAG_ICC_PROFILES:
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| 55 | new IccReader().extract(new ByteArrayReader(reader.getBytes(tagOffset, byteCount)), _metadata);
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| 56 | return true;
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| 57 | }
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| 58 |
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| 59 |
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| 60 | return super.customProcessTag(tagOffset, processedIfdOffsets, tiffHeaderOffset, reader, tagId, byteCount);
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| 61 | }
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| 62 | }
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