| /* |
| * 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.commons.imaging.formats.jpeg; |
| |
| import java.awt.Dimension; |
| import java.awt.image.BufferedImage; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.io.UnsupportedEncodingException; |
| import java.text.NumberFormat; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.commons.imaging.ImageFormat; |
| import org.apache.commons.imaging.ImageInfo; |
| import org.apache.commons.imaging.ImageParser; |
| import org.apache.commons.imaging.ImageReadException; |
| import org.apache.commons.imaging.common.IImageMetadata; |
| import org.apache.commons.imaging.common.bytesource.ByteSource; |
| import org.apache.commons.imaging.formats.jpeg.decoder.JpegDecoder; |
| import org.apache.commons.imaging.formats.jpeg.iptc.IptcParser; |
| import org.apache.commons.imaging.formats.jpeg.iptc.PhotoshopApp13Data; |
| import org.apache.commons.imaging.formats.jpeg.segments.App13Segment; |
| import org.apache.commons.imaging.formats.jpeg.segments.App2Segment; |
| import org.apache.commons.imaging.formats.jpeg.segments.ComSegment; |
| import org.apache.commons.imaging.formats.jpeg.segments.DqtSegment; |
| import org.apache.commons.imaging.formats.jpeg.segments.GenericSegment; |
| import org.apache.commons.imaging.formats.jpeg.segments.JfifSegment; |
| import org.apache.commons.imaging.formats.jpeg.segments.Segment; |
| import org.apache.commons.imaging.formats.jpeg.segments.SofnSegment; |
| import org.apache.commons.imaging.formats.jpeg.segments.UnknownSegment; |
| import org.apache.commons.imaging.formats.jpeg.xmp.JpegXmpParser; |
| import org.apache.commons.imaging.formats.tiff.TiffField; |
| import org.apache.commons.imaging.formats.tiff.TiffImageMetadata; |
| import org.apache.commons.imaging.formats.tiff.TiffImageParser; |
| import org.apache.commons.imaging.formats.tiff.constants.TiffTagConstants; |
| import org.apache.commons.imaging.util.Debug; |
| |
| public class JpegImageParser extends ImageParser implements JpegConstants |
| { |
| public JpegImageParser() |
| { |
| setByteOrder(BYTE_ORDER_NETWORK); |
| // setDebug(true); |
| } |
| |
| @Override |
| protected ImageFormat[] getAcceptedTypes() |
| { |
| return new ImageFormat[] { ImageFormat.IMAGE_FORMAT_JPEG, // |
| }; |
| } |
| |
| @Override |
| public String getName() |
| { |
| return "Jpeg-Custom"; |
| } |
| |
| @Override |
| public String getDefaultExtension() |
| { |
| return DEFAULT_EXTENSION; |
| } |
| |
| private static final String DEFAULT_EXTENSION = ".jpg"; |
| |
| private static final String ACCEPTED_EXTENSIONS[] = { ".jpg", ".jpeg", }; |
| |
| @Override |
| protected String[] getAcceptedExtensions() |
| { |
| return ACCEPTED_EXTENSIONS; |
| } |
| |
| @Override |
| public final BufferedImage getBufferedImage(ByteSource byteSource, |
| Map params) throws ImageReadException, IOException |
| { |
| JpegDecoder jpegDecoder = new JpegDecoder(); |
| return jpegDecoder.decode(byteSource); |
| } |
| |
| private boolean keepMarker(int marker, int markers[]) |
| { |
| if (markers == null) |
| return true; |
| |
| for (int i = 0; i < markers.length; i++) |
| { |
| if (markers[i] == marker) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| public List<Segment> readSegments(ByteSource byteSource, final int markers[], |
| final boolean returnAfterFirst, boolean readEverything) |
| throws ImageReadException, IOException |
| { |
| final List<Segment> result = new ArrayList<Segment>(); |
| final JpegImageParser parser = this; |
| final int[] sofnSegments = { |
| // kJFIFMarker, |
| SOF0Marker, |
| |
| SOF1Marker, SOF2Marker, SOF3Marker, SOF5Marker, SOF6Marker, |
| SOF7Marker, SOF9Marker, SOF10Marker, SOF11Marker, SOF13Marker, |
| SOF14Marker, SOF15Marker, |
| }; |
| |
| JpegUtils.Visitor visitor = new JpegUtils.Visitor() { |
| // return false to exit before reading image data. |
| public boolean beginSOS() |
| { |
| return false; |
| } |
| |
| public void visitSOS(int marker, byte markerBytes[], |
| byte imageData[]) |
| { |
| } |
| |
| // return false to exit traversal. |
| public boolean visitSegment(int marker, byte markerBytes[], |
| int markerLength, byte markerLengthBytes[], |
| byte segmentData[]) throws ImageReadException, IOException |
| { |
| if (marker == EOIMarker) |
| return false; |
| |
| // Debug.debug("visitSegment marker", marker); |
| // // Debug.debug("visitSegment keepMarker(marker, markers)", |
| // keepMarker(marker, markers)); |
| // Debug.debug("visitSegment keepMarker(marker, markers)", |
| // keepMarker(marker, markers)); |
| |
| if (!keepMarker(marker, markers)) |
| return true; |
| |
| if (marker == JPEG_APP13_Marker) |
| { |
| // Debug.debug("app 13 segment data", segmentData.length); |
| result.add(new App13Segment(parser, marker, segmentData)); |
| } else if (marker == JPEG_APP2_Marker) |
| { |
| result.add(new App2Segment(marker, segmentData)); |
| } else if (marker == JFIFMarker) |
| { |
| result.add(new JfifSegment(marker, segmentData)); |
| } else if (Arrays.binarySearch(sofnSegments, marker) >= 0) |
| { |
| result.add(new SofnSegment(marker, segmentData)); |
| } else if (marker == DQTMarker) |
| { |
| result.add(new DqtSegment(marker, segmentData)); |
| } else if ((marker >= JPEG_APP1_Marker) |
| && (marker <= JPEG_APP15_Marker)) |
| { |
| result.add(new UnknownSegment(marker, segmentData)); |
| } else if (marker == COMMarker) |
| { |
| result.add(new ComSegment(marker, segmentData)); |
| } |
| |
| if (returnAfterFirst) |
| return false; |
| |
| return true; |
| } |
| }; |
| |
| new JpegUtils().traverseJFIF(byteSource, visitor); |
| |
| return result; |
| } |
| |
| public static final boolean permissive = true; |
| |
| private byte[] assembleSegments(List<App2Segment> v) throws ImageReadException |
| { |
| try |
| { |
| return assembleSegments(v, false); |
| } catch (ImageReadException e) |
| { |
| return assembleSegments(v, true); |
| } |
| } |
| |
| private byte[] assembleSegments(List<App2Segment> v, boolean start_with_zero) |
| throws ImageReadException |
| { |
| if (v.size() < 1) |
| throw new ImageReadException("No App2 Segments Found."); |
| |
| int markerCount = v.get(0).num_markers; |
| |
| // if (permissive && (markerCount == 0)) |
| // markerCount = v.size(); |
| |
| if (v.size() != markerCount) |
| throw new ImageReadException("App2 Segments Missing. Found: " |
| + v.size() + ", Expected: " + markerCount + "."); |
| |
| Collections.sort(v); |
| |
| int offset = start_with_zero ? 0 : 1; |
| |
| int total = 0; |
| for (int i = 0; i < v.size(); i++) |
| { |
| App2Segment segment = v.get(i); |
| |
| if ((i + offset) != segment.cur_marker) |
| { |
| dumpSegments(v); |
| throw new ImageReadException( |
| "Incoherent App2 Segment Ordering. i: " + i |
| + ", segment[" + i + "].cur_marker: " |
| + segment.cur_marker + "."); |
| } |
| |
| if (markerCount != segment.num_markers) |
| { |
| dumpSegments(v); |
| throw new ImageReadException( |
| "Inconsistent App2 Segment Count info. markerCount: " |
| + markerCount + ", segment[" + i |
| + "].num_markers: " + segment.num_markers + "."); |
| } |
| |
| total += segment.icc_bytes.length; |
| } |
| |
| byte result[] = new byte[total]; |
| int progress = 0; |
| |
| for (int i = 0; i < v.size(); i++) |
| { |
| App2Segment segment = v.get(i); |
| |
| System.arraycopy(segment.icc_bytes, 0, result, progress, |
| segment.icc_bytes.length); |
| progress += segment.icc_bytes.length; |
| } |
| |
| return result; |
| } |
| |
| private void dumpSegments(List<? extends Segment> v) |
| { |
| Debug.debug(); |
| Debug.debug("dumpSegments", v.size()); |
| |
| for (int i = 0; i < v.size(); i++) |
| { |
| App2Segment segment = (App2Segment) v.get(i); |
| |
| Debug.debug((i) + ": " + segment.cur_marker + " / " |
| + segment.num_markers); |
| } |
| Debug.debug(); |
| } |
| |
| public List<Segment> readSegments(ByteSource byteSource, int markers[], |
| boolean returnAfterFirst) throws ImageReadException, IOException |
| { |
| return readSegments(byteSource, markers, returnAfterFirst, false); |
| } |
| |
| @Override |
| public byte[] getICCProfileBytes(ByteSource byteSource, Map params) |
| throws ImageReadException, IOException |
| { |
| List<Segment> segments = readSegments(byteSource, |
| new int[] { JPEG_APP2_Marker, }, false); |
| |
| List<App2Segment> filtered = new ArrayList<App2Segment>(); |
| if (segments != null) |
| { |
| // throw away non-icc profile app2 segments. |
| for (int i = 0; i < segments.size(); i++) |
| { |
| App2Segment segment = (App2Segment) segments.get(i); |
| if (segment.icc_bytes != null) |
| filtered.add(segment); |
| } |
| } |
| |
| if ((filtered == null) || (filtered.size() < 1)) |
| return null; |
| |
| byte bytes[] = assembleSegments(filtered); |
| |
| if (debug) |
| System.out.println("bytes" + ": " |
| + ((bytes == null) ? null : "" + bytes.length)); |
| |
| if (debug) |
| System.out.println(""); |
| |
| return (bytes); |
| } |
| |
| @Override |
| public IImageMetadata getMetadata(ByteSource byteSource, Map params) |
| throws ImageReadException, IOException |
| { |
| TiffImageMetadata exif = getExifMetadata(byteSource, params); |
| |
| JpegPhotoshopMetadata photoshop = getPhotoshopMetadata(byteSource, |
| params); |
| |
| if (null == exif && null == photoshop) |
| return null; |
| |
| JpegImageMetadata result = new JpegImageMetadata(photoshop, exif); |
| |
| return result; |
| } |
| |
| public static boolean isExifAPP1Segment(GenericSegment segment) |
| { |
| return byteArrayHasPrefix(segment.bytes, EXIF_IDENTIFIER_CODE); |
| } |
| |
| private List<Segment> filterAPP1Segments(List<Segment> v) |
| { |
| List<Segment> result = new ArrayList<Segment>(); |
| |
| for (int i = 0; i < v.size(); i++) |
| { |
| GenericSegment segment = (GenericSegment) v.get(i); |
| if (isExifAPP1Segment(segment)) |
| result.add(segment); |
| } |
| |
| return result; |
| } |
| |
| public TiffImageMetadata getExifMetadata(ByteSource byteSource, Map params) |
| throws ImageReadException, IOException |
| { |
| byte bytes[] = getExifRawData(byteSource); |
| if (null == bytes) |
| return null; |
| |
| if (params == null) |
| params = new HashMap(); |
| if (!params.containsKey(PARAM_KEY_READ_THUMBNAILS)) |
| params.put(PARAM_KEY_READ_THUMBNAILS, Boolean.TRUE); |
| |
| return (TiffImageMetadata) new TiffImageParser().getMetadata(bytes, |
| params); |
| } |
| |
| public byte[] getExifRawData(ByteSource byteSource) |
| throws ImageReadException, IOException |
| { |
| List<Segment> segments = readSegments(byteSource, |
| new int[] { JPEG_APP1_Marker, }, false); |
| |
| if ((segments == null) || (segments.size() < 1)) |
| return null; |
| |
| List<Segment> exifSegments = filterAPP1Segments(segments); |
| if (debug) |
| System.out.println("exif_segments.size" + ": " |
| + exifSegments.size()); |
| |
| // Debug.debug("segments", segments); |
| // Debug.debug("exifSegments", exifSegments); |
| |
| // TODO: concatenate if multiple segments, need example. |
| if (exifSegments.size() < 1) |
| return null; |
| if (exifSegments.size() > 1) |
| throw new ImageReadException( |
| "Sanselan currently can't parse EXIF metadata split across multiple APP1 segments. " |
| + "Please send this image to the Sanselan project."); |
| |
| GenericSegment segment = (GenericSegment) exifSegments.get(0); |
| byte bytes[] = segment.bytes; |
| |
| // byte head[] = readBytearray("exif head", bytes, 0, 6); |
| // |
| // Debug.debug("head", head); |
| |
| return getByteArrayTail("trimmed exif bytes", bytes, 6); |
| } |
| |
| public boolean hasExifSegment(ByteSource byteSource) |
| throws ImageReadException, IOException |
| { |
| final boolean result[] = { false, }; |
| |
| JpegUtils.Visitor visitor = new JpegUtils.Visitor() { |
| // return false to exit before reading image data. |
| public boolean beginSOS() |
| { |
| return false; |
| } |
| |
| public void visitSOS(int marker, byte markerBytes[], |
| byte imageData[]) |
| { |
| } |
| |
| // return false to exit traversal. |
| public boolean visitSegment(int marker, byte markerBytes[], |
| int markerLength, byte markerLengthBytes[], |
| byte segmentData[]) throws ImageReadException, IOException |
| { |
| if (marker == 0xffd9) |
| return false; |
| |
| if (marker == JPEG_APP1_Marker) |
| { |
| if (byteArrayHasPrefix(segmentData, EXIF_IDENTIFIER_CODE)) |
| { |
| result[0] = true; |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| }; |
| |
| new JpegUtils().traverseJFIF(byteSource, visitor); |
| |
| return result[0]; |
| } |
| |
| public boolean hasIptcSegment(ByteSource byteSource) |
| throws ImageReadException, IOException |
| { |
| final boolean result[] = { false, }; |
| |
| JpegUtils.Visitor visitor = new JpegUtils.Visitor() { |
| // return false to exit before reading image data. |
| public boolean beginSOS() |
| { |
| return false; |
| } |
| |
| public void visitSOS(int marker, byte markerBytes[], |
| byte imageData[]) |
| { |
| } |
| |
| // return false to exit traversal. |
| public boolean visitSegment(int marker, byte markerBytes[], |
| int markerLength, byte markerLengthBytes[], |
| byte segmentData[]) throws ImageReadException, IOException |
| { |
| if (marker == 0xffd9) |
| return false; |
| |
| if (marker == JPEG_APP13_Marker) |
| { |
| if (new IptcParser().isPhotoshopJpegSegment(segmentData)) |
| { |
| result[0] = true; |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| }; |
| |
| new JpegUtils().traverseJFIF(byteSource, visitor); |
| |
| return result[0]; |
| } |
| |
| public boolean hasXmpSegment(ByteSource byteSource) |
| throws ImageReadException, IOException |
| { |
| final boolean result[] = { false, }; |
| |
| JpegUtils.Visitor visitor = new JpegUtils.Visitor() { |
| // return false to exit before reading image data. |
| public boolean beginSOS() |
| { |
| return false; |
| } |
| |
| public void visitSOS(int marker, byte markerBytes[], |
| byte imageData[]) |
| { |
| } |
| |
| // return false to exit traversal. |
| public boolean visitSegment(int marker, byte markerBytes[], |
| int markerLength, byte markerLengthBytes[], |
| byte segmentData[]) throws ImageReadException, IOException |
| { |
| if (marker == 0xffd9) |
| return false; |
| |
| if (marker == JPEG_APP1_Marker) |
| { |
| if (new JpegXmpParser().isXmpJpegSegment(segmentData)) |
| { |
| result[0] = true; |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| }; |
| new JpegUtils().traverseJFIF(byteSource, visitor); |
| |
| return result[0]; |
| } |
| |
| /** |
| * 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. |
| */ |
| @Override |
| public String getXmpXml(ByteSource byteSource, Map params) |
| throws ImageReadException, IOException |
| { |
| |
| final List<String> result = new ArrayList<String>(); |
| |
| JpegUtils.Visitor visitor = new JpegUtils.Visitor() { |
| // return false to exit before reading image data. |
| public boolean beginSOS() |
| { |
| return false; |
| } |
| |
| public void visitSOS(int marker, byte markerBytes[], |
| byte imageData[]) |
| { |
| } |
| |
| // return false to exit traversal. |
| public boolean visitSegment(int marker, byte markerBytes[], |
| int markerLength, byte markerLengthBytes[], |
| byte segmentData[]) throws ImageReadException, IOException |
| { |
| if (marker == 0xffd9) |
| return false; |
| |
| if (marker == JPEG_APP1_Marker) |
| { |
| if (new JpegXmpParser().isXmpJpegSegment(segmentData)) |
| { |
| result.add(new JpegXmpParser() |
| .parseXmpJpegSegment(segmentData)); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| }; |
| new JpegUtils().traverseJFIF(byteSource, visitor); |
| |
| if (result.size() < 1) |
| return null; |
| if (result.size() > 1) |
| throw new ImageReadException( |
| "Jpeg file contains more than one XMP segment."); |
| return result.get(0); |
| } |
| |
| public JpegPhotoshopMetadata getPhotoshopMetadata(ByteSource byteSource, |
| Map params) throws ImageReadException, IOException |
| { |
| List<Segment> segments = readSegments(byteSource, |
| new int[] { JPEG_APP13_Marker, }, false); |
| |
| if ((segments == null) || (segments.size() < 1)) |
| return null; |
| |
| PhotoshopApp13Data photoshopApp13Data = null; |
| |
| for (int i = 0; i < segments.size(); i++) |
| { |
| App13Segment segment = (App13Segment) segments.get(i); |
| |
| PhotoshopApp13Data data = segment.parsePhotoshopSegment(params); |
| if (data != null && photoshopApp13Data != null) |
| throw new ImageReadException( |
| "Jpeg contains more than one Photoshop App13 segment."); |
| |
| photoshopApp13Data = data; |
| } |
| |
| if(null==photoshopApp13Data) |
| return null; |
| return new JpegPhotoshopMetadata(photoshopApp13Data); |
| } |
| |
| @Override |
| public Dimension getImageSize(ByteSource byteSource, Map params) |
| throws ImageReadException, IOException |
| { |
| List<Segment> segments = readSegments(byteSource, new int[] { |
| // kJFIFMarker, |
| SOF0Marker, |
| |
| SOF1Marker, SOF2Marker, SOF3Marker, SOF5Marker, SOF6Marker, |
| SOF7Marker, SOF9Marker, SOF10Marker, SOF11Marker, SOF13Marker, |
| SOF14Marker, SOF15Marker, |
| |
| }, true); |
| |
| if ((segments == null) || (segments.size() < 1)) |
| throw new ImageReadException("No JFIF Data Found."); |
| |
| if (segments.size() > 1) |
| throw new ImageReadException("Redundant JFIF Data Found."); |
| |
| SofnSegment fSOFNSegment = (SofnSegment) segments.get(0); |
| |
| return new Dimension(fSOFNSegment.width, fSOFNSegment.height); |
| } |
| |
| public byte[] embedICCProfile(byte image[], byte profile[]) |
| { |
| return null; |
| } |
| |
| @Override |
| public boolean embedICCProfile(File src, File dst, byte profile[]) |
| { |
| return false; |
| } |
| |
| @Override |
| public ImageInfo getImageInfo(ByteSource byteSource, Map params) |
| throws ImageReadException, IOException |
| { |
| // List allSegments = readSegments(byteSource, null, false); |
| |
| List<Segment> SOF_segments = readSegments(byteSource, new int[] { |
| // kJFIFMarker, |
| |
| SOF0Marker, SOF1Marker, SOF2Marker, SOF3Marker, SOF5Marker, |
| SOF6Marker, SOF7Marker, SOF9Marker, SOF10Marker, SOF11Marker, |
| SOF13Marker, SOF14Marker, SOF15Marker, |
| |
| }, false); |
| |
| if (SOF_segments == null) |
| throw new ImageReadException("No SOFN Data Found."); |
| |
| // if (SOF_segments.size() != 1) |
| // System.out.println("Incoherent SOFN Data Found: " |
| // + SOF_segments.size()); |
| |
| List<Segment> jfifSegments = readSegments(byteSource, |
| new int[] { JFIFMarker, }, true); |
| |
| SofnSegment fSOFNSegment = (SofnSegment) SOF_segments.get(0); |
| // SofnSegment fSOFNSegment = (SofnSegment) findSegment(segments, |
| // SOFNmarkers); |
| |
| if (fSOFNSegment == null) |
| throw new ImageReadException("No SOFN Data Found."); |
| |
| int Width = fSOFNSegment.width; |
| int Height = fSOFNSegment.height; |
| |
| JfifSegment jfifSegment = null; |
| |
| if ((jfifSegments != null) && (jfifSegments.size() > 0)) |
| jfifSegment = (JfifSegment) jfifSegments.get(0); |
| |
| // JfifSegment fTheJFIFSegment = (JfifSegment) findSegment(segments, |
| // kJFIFMarker); |
| |
| double x_density = -1.0; |
| double y_density = -1.0; |
| double units_per_inch = -1.0; |
| // int JFIF_major_version; |
| // int JFIF_minor_version; |
| String FormatDetails; |
| |
| if (jfifSegment != null) |
| { |
| x_density = jfifSegment.xDensity; |
| y_density = jfifSegment.yDensity; |
| int density_units = jfifSegment.densityUnits; |
| // JFIF_major_version = fTheJFIFSegment.JFIF_major_version; |
| // JFIF_minor_version = fTheJFIFSegment.JFIF_minor_version; |
| |
| FormatDetails = "Jpeg/JFIF v." + jfifSegment.jfifMajorVersion + "." |
| + jfifSegment.jfifMinorVersion; |
| |
| switch (density_units) |
| { |
| case 0: |
| break; |
| case 1: // inches |
| units_per_inch = 1.0; |
| break; |
| case 2: // cms |
| units_per_inch = 2.54; |
| break; |
| default: |
| break; |
| } |
| } else |
| { |
| JpegImageMetadata metadata = (JpegImageMetadata) getMetadata( |
| byteSource, params); |
| |
| if (metadata != null) |
| { |
| { |
| TiffField field = metadata |
| .findEXIFValue(TiffTagConstants.TIFF_TAG_XRESOLUTION); |
| if (field != null) |
| x_density = ((Number) field.getValue()).doubleValue(); |
| } |
| { |
| TiffField field = metadata |
| .findEXIFValue(TiffTagConstants.TIFF_TAG_YRESOLUTION); |
| if (field != null) |
| y_density = ((Number) field.getValue()).doubleValue(); |
| } |
| { |
| TiffField field = metadata |
| .findEXIFValue(TiffTagConstants.TIFF_TAG_RESOLUTION_UNIT); |
| if (field != null) |
| { |
| int density_units = ((Number) field.getValue()) |
| .intValue(); |
| |
| switch (density_units) |
| { |
| case 1: |
| break; |
| case 2: // inches |
| units_per_inch = 1.0; |
| break; |
| case 3: // cms |
| units_per_inch = 2.54; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| } |
| } |
| |
| FormatDetails = "Jpeg/DCM"; |
| |
| } |
| |
| int PhysicalHeightDpi = -1; |
| float PhysicalHeightInch = -1; |
| int PhysicalWidthDpi = -1; |
| float PhysicalWidthInch = -1; |
| |
| if (units_per_inch > 0) |
| { |
| PhysicalWidthDpi = (int) Math.round(x_density * units_per_inch); |
| PhysicalWidthInch = (float) (Width / (x_density * units_per_inch)); |
| PhysicalHeightDpi = (int) Math.round(y_density * units_per_inch); |
| PhysicalHeightInch = (float) (Height / (y_density * units_per_inch)); |
| } |
| |
| List<String> Comments = new ArrayList<String>(); |
| List<Segment> commentSegments = readSegments(byteSource, |
| new int[] { COMMarker }, false); |
| for (int i = 0; i < commentSegments.size(); i++) |
| { |
| ComSegment comSegment = (ComSegment) commentSegments.get(i); |
| String comment = ""; |
| try { |
| comment = new String(comSegment.comment, "UTF-8"); |
| } catch (UnsupportedEncodingException cannotHappen) { |
| } |
| Comments.add(comment); |
| } |
| |
| int Number_of_components = fSOFNSegment.numberOfComponents; |
| int Precision = fSOFNSegment.precision; |
| |
| int BitsPerPixel = Number_of_components * Precision; |
| ImageFormat Format = ImageFormat.IMAGE_FORMAT_JPEG; |
| String FormatName = "JPEG (Joint Photographic Experts Group) Format"; |
| String MimeType = "image/jpeg"; |
| // we ought to count images, but don't yet. |
| int NumberOfImages = 1; |
| // not accurate ... only reflects first |
| boolean isProgressive = fSOFNSegment.marker == SOF2Marker; |
| |
| boolean isTransparent = false; // TODO: inaccurate. |
| boolean usesPalette = false; // TODO: inaccurate. |
| int ColorType; |
| if (Number_of_components == 1) |
| ColorType = ImageInfo.COLOR_TYPE_BW; |
| else if (Number_of_components == 3) |
| ColorType = ImageInfo.COLOR_TYPE_RGB; |
| else if (Number_of_components == 4) |
| ColorType = ImageInfo.COLOR_TYPE_CMYK; |
| else |
| ColorType = ImageInfo.COLOR_TYPE_UNKNOWN; |
| |
| String compressionAlgorithm = ImageInfo.COMPRESSION_ALGORITHM_JPEG; |
| |
| ImageInfo result = new ImageInfo(FormatDetails, BitsPerPixel, Comments, |
| Format, FormatName, Height, MimeType, NumberOfImages, |
| PhysicalHeightDpi, PhysicalHeightInch, PhysicalWidthDpi, |
| PhysicalWidthInch, Width, isProgressive, isTransparent, |
| usesPalette, ColorType, compressionAlgorithm); |
| |
| return result; |
| } |
| |
| // public ImageInfo getImageInfo(ByteSource byteSource, Map params) |
| // throws ImageReadException, IOException |
| // { |
| // |
| // List allSegments = readSegments(byteSource, null, false); |
| // |
| // final int SOF_MARKERS[] = new int[]{ |
| // SOF0Marker, SOF1Marker, SOF2Marker, SOF3Marker, SOF5Marker, |
| // SOF6Marker, SOF7Marker, SOF9Marker, SOF10Marker, SOF11Marker, |
| // SOF13Marker, SOF14Marker, SOF15Marker, |
| // }; |
| // |
| // List sofMarkers = new ArrayList(); |
| // for(int i=0;i<SOF_MARKERS.length;i++) |
| // sofMarkers.add(new Integer(SOF_MARKERS[i])); |
| // List SOFSegments = filterSegments(allSegments, sofMarkers); |
| // if (SOFSegments == null || SOFSegments.size()<1) |
| // throw new ImageReadException("No SOFN Data Found."); |
| // |
| // List jfifMarkers = new ArrayList(); |
| // jfifMarkers.add(new Integer(JFIFMarker)); |
| // List jfifSegments = filterSegments(allSegments, jfifMarkers); |
| // |
| // SofnSegment firstSOFNSegment = (SofnSegment) SOFSegments.get(0); |
| // |
| // int Width = firstSOFNSegment.width; |
| // int Height = firstSOFNSegment.height; |
| // |
| // JfifSegment jfifSegment = null; |
| // |
| // if (jfifSegments != null && jfifSegments.size() > 0) |
| // jfifSegment = (JfifSegment) jfifSegments.get(0); |
| // |
| // double x_density = -1.0; |
| // double y_density = -1.0; |
| // double units_per_inch = -1.0; |
| // // int JFIF_major_version; |
| // // int JFIF_minor_version; |
| // String FormatDetails; |
| // |
| // if (jfifSegment != null) |
| // { |
| // x_density = jfifSegment.xDensity; |
| // y_density = jfifSegment.yDensity; |
| // int density_units = jfifSegment.densityUnits; |
| // // JFIF_major_version = fTheJFIFSegment.JFIF_major_version; |
| // // JFIF_minor_version = fTheJFIFSegment.JFIF_minor_version; |
| // |
| // FormatDetails = "Jpeg/JFIF v." + jfifSegment.jfifMajorVersion |
| // + "." + jfifSegment.jfifMinorVersion; |
| // |
| // switch (density_units) |
| // { |
| // case 0 : |
| // break; |
| // case 1 : // inches |
| // units_per_inch = 1.0; |
| // break; |
| // case 2 : // cms |
| // units_per_inch = 2.54; |
| // break; |
| // default : |
| // break; |
| // } |
| // } |
| // else |
| // { |
| // JpegImageMetadata metadata = (JpegImageMetadata) getMetadata(byteSource, |
| // params); |
| // |
| // { |
| // TiffField field = metadata |
| // .findEXIFValue(TiffField.TIFF_TAG_XRESOLUTION); |
| // if (field == null) |
| // throw new ImageReadException("No XResolution"); |
| // |
| // x_density = ((Number) field.getValue()).doubleValue(); |
| // } |
| // { |
| // TiffField field = metadata |
| // .findEXIFValue(TiffField.TIFF_TAG_YRESOLUTION); |
| // if (field == null) |
| // throw new ImageReadException("No YResolution"); |
| // |
| // y_density = ((Number) field.getValue()).doubleValue(); |
| // } |
| // { |
| // TiffField field = metadata |
| // .findEXIFValue(TiffField.TIFF_TAG_RESOLUTION_UNIT); |
| // if (field == null) |
| // throw new ImageReadException("No ResolutionUnits"); |
| // |
| // int density_units = ((Number) field.getValue()).intValue(); |
| // |
| // switch (density_units) |
| // { |
| // case 1 : |
| // break; |
| // case 2 : // inches |
| // units_per_inch = 1.0; |
| // break; |
| // case 3 : // cms |
| // units_per_inch = 2.54; |
| // break; |
| // default : |
| // break; |
| // } |
| // |
| // } |
| // |
| // FormatDetails = "Jpeg/DCM"; |
| // |
| // } |
| // |
| // int PhysicalHeightDpi = -1; |
| // float PhysicalHeightInch = -1; |
| // int PhysicalWidthDpi = -1; |
| // float PhysicalWidthInch = -1; |
| // |
| // if (units_per_inch > 0) |
| // { |
| // PhysicalWidthDpi = (int) Math.round((double) x_density |
| // / units_per_inch); |
| // PhysicalWidthInch = (float) ((double) Width / (x_density * |
| // units_per_inch)); |
| // PhysicalHeightDpi = (int) Math.round((double) y_density |
| // * units_per_inch); |
| // PhysicalHeightInch = (float) ((double) Height / (y_density * |
| // units_per_inch)); |
| // } |
| // |
| // List Comments = new ArrayList(); |
| // // TODO: comments... |
| // |
| // int Number_of_components = firstSOFNSegment.numberOfComponents; |
| // int Precision = firstSOFNSegment.precision; |
| // |
| // int BitsPerPixel = Number_of_components * Precision; |
| // ImageFormat Format = ImageFormat.IMAGE_FORMAT_JPEG; |
| // String FormatName = "JPEG (Joint Photographic Experts Group) Format"; |
| // String MimeType = "image/jpeg"; |
| // // we ought to count images, but don't yet. |
| // int NumberOfImages = -1; |
| // // not accurate ... only reflects first |
| // boolean isProgressive = firstSOFNSegment.marker == SOF2Marker; |
| // |
| // boolean isTransparent = false; // TODO: inaccurate. |
| // boolean usesPalette = false; // TODO: inaccurate. |
| // int ColorType; |
| // if (Number_of_components == 1) |
| // ColorType = ImageInfo.COLOR_TYPE_BW; |
| // else if (Number_of_components == 3) |
| // ColorType = ImageInfo.COLOR_TYPE_RGB; |
| // else if (Number_of_components == 4) |
| // ColorType = ImageInfo.COLOR_TYPE_CMYK; |
| // else |
| // ColorType = ImageInfo.COLOR_TYPE_UNKNOWN; |
| // |
| // String compressionAlgorithm = ImageInfo.COMPRESSION_ALGORITHM_JPEG; |
| // |
| // ImageInfo result = new ImageInfo(FormatDetails, BitsPerPixel, Comments, |
| // Format, FormatName, Height, MimeType, NumberOfImages, |
| // PhysicalHeightDpi, PhysicalHeightInch, PhysicalWidthDpi, |
| // PhysicalWidthInch, Width, isProgressive, isTransparent, |
| // usesPalette, ColorType, compressionAlgorithm); |
| // |
| // return result; |
| // } |
| |
| @Override |
| public boolean dumpImageFile(PrintWriter pw, ByteSource byteSource) |
| throws ImageReadException, IOException |
| { |
| pw.println("tiff.dumpImageFile"); |
| |
| { |
| ImageInfo imageInfo = getImageInfo(byteSource); |
| if (imageInfo == null) |
| return false; |
| |
| imageInfo.toString(pw, ""); |
| } |
| |
| pw.println(""); |
| |
| { |
| List<Segment> segments = readSegments(byteSource, null, false); |
| |
| if (segments == null) |
| throw new ImageReadException("No Segments Found."); |
| |
| for (int d = 0; d < segments.size(); d++) |
| { |
| |
| Segment segment = segments.get(d); |
| |
| NumberFormat nf = NumberFormat.getIntegerInstance(); |
| // this.debugNumber("found, marker: ", marker, 4); |
| pw.println(d + ": marker: " |
| + Integer.toHexString(segment.marker) + ", " |
| + segment.getDescription() + " (length: " |
| + nf.format(segment.length) + ")"); |
| segment.dump(pw); |
| } |
| |
| pw.println(""); |
| } |
| |
| return true; |
| } |
| |
| } |