public static IptcDirectory ProcessBytes(string filePath)
{
Com.Drew.Metadata.Metadata metadata = new Com.Drew.Metadata.Metadata();
sbyte[] bytes = FileUtil.ReadBytes(filePath);
new IptcReader().Extract(new SequentialByteArrayReader(bytes), metadata, bytes.Length);
IptcDirectory directory = metadata.GetDirectory <IptcDirectory>();
NUnit.Framework.Assert.IsNotNull(directory);
return(directory);
}
public virtual void TestIptcEncodingUnknown2()
{
// This metadata has an encoding of three characters [ \ESC '%' '5' ]
// It's not clear what to do with this, so it should be ignored.
// Version 2.7.0 tripped up on this and threw an exception.
IptcDirectory directory = ProcessBytes("Tests/Data/iptc-encoding-unknown-2.bytes");
Sharpen.Tests.IsFalse(Sharpen.Extensions.ConvertToString(directory.GetErrors()), directory.HasErrors());
Tag[] tags = Sharpen.Collections.ToArray(directory.GetTags(), new Tag[directory.GetTagCount()]);
Sharpen.Tests.AreEqual(37, tags.Length);
Sharpen.Tests.AreEqual("MEDWAS,MEDLON,MEDTOR,RONL,ASIA,AONL,APC,USA,CAN,SAM,BIZ", directory.GetString(IptcDirectory.TagDestination));
}
public virtual void TestIptcEncodingUnknown()
{
IptcDirectory directory = ProcessBytes("Tests/Data/iptc-encoding-unknown.bytes");
Sharpen.Tests.IsFalse(Sharpen.Extensions.ConvertToString(directory.GetErrors()), directory.HasErrors());
Tag[] tags = Sharpen.Collections.ToArray(directory.GetTags(), new Tag[directory.GetTagCount()]);
Sharpen.Tests.AreEqual(3, tags.Length);
Sharpen.Tests.AreEqual(IptcDirectory.TagApplicationRecordVersion, tags[0].GetTagType());
Sharpen.Tests.AreEqual(2, directory.GetObject(tags[0].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCaption, tags[1].GetTagType());
Sharpen.Tests.AreEqual("Das Encoding dieser Metadaten ist nicht deklariert und lässt sich nur schwer erkennen.", directory.GetObject(tags[1].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagKeywords, tags[2].GetTagType());
NUnit.Framework.CollectionAssert.AreEqual(new string[] { "häufig", "üblich", "Lösung", "Spaß" }, directory.GetStringArray(tags[2].GetTagType()));
}
public virtual void TestIptcEncodingUndefinedIso()
{
IptcDirectory directory = ProcessBytes("Tests/Data/iptc-encoding-undefined-iso.bytes");
Sharpen.Tests.IsFalse(Sharpen.Extensions.ConvertToString(directory.GetErrors()), directory.HasErrors());
Tag[] tags = Sharpen.Collections.ToArray(directory.GetTags(), new Tag[directory.GetTagCount()]);
Sharpen.Tests.AreEqual(3, tags.Length);
Sharpen.Tests.AreEqual(IptcDirectory.TagEnvelopeRecordVersion, tags[0].GetTagType());
Sharpen.Tests.AreEqual(2, directory.GetObject(tags[0].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagApplicationRecordVersion, tags[1].GetTagType());
Sharpen.Tests.AreEqual(2, directory.GetObject(tags[1].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCaption, tags[2].GetTagType());
Sharpen.Tests.AreEqual("In diesem Text sind Umlaute enthalten, nämlich öfter als üblich: ÄÖÜäöüß\r", directory.GetObject(tags[2].GetTagType()));
}
public virtual void TestIptc2Photoshop6BytesFromFile()
{
IptcDirectory directory = ProcessBytes("Tests/Data/iptc2-photoshop6.jpg.appd");
Sharpen.Tests.IsFalse(directory.GetErrors().ToString(), directory.HasErrors());
Tag[] tags = Sharpen.Collections.ToArray(directory.GetTags(), new Tag[directory.GetTagCount()]);
Sharpen.Tests.AreEqual(17, tags.Length);
Sharpen.Tests.AreEqual(IptcDirectory.TagApplicationRecordVersion, tags[0].GetTagType());
Sharpen.Tests.AreEqual(2, directory.GetObject(tags[0].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCaption, tags[1].GetTagType());
Sharpen.Tests.AreEqual("Caption PS6", directory.GetObject(tags[1].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCaptionWriter, tags[2].GetTagType());
Sharpen.Tests.AreEqual("CaptionWriter", directory.GetObject(tags[2].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagHeadline, tags[3].GetTagType());
Sharpen.Tests.AreEqual("Headline", directory.GetObject(tags[3].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagSpecialInstructions, tags[4].GetTagType());
Sharpen.Tests.AreEqual("Special Instr.", directory.GetObject(tags[4].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagByLine, tags[5].GetTagType());
Sharpen.Tests.AreEqual("Byline", directory.GetObject(tags[5].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagByLineTitle, tags[6].GetTagType());
Sharpen.Tests.AreEqual("BylineTitle", directory.GetObject(tags[6].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCredit, tags[7].GetTagType());
Sharpen.Tests.AreEqual("Credits", directory.GetObject(tags[7].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagSource, tags[8].GetTagType());
Sharpen.Tests.AreEqual("Source", directory.GetObject(tags[8].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagObjectName, tags[9].GetTagType());
Sharpen.Tests.AreEqual("ObjectName", directory.GetObject(tags[9].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCity, tags[10].GetTagType());
Sharpen.Tests.AreEqual("City", directory.GetObject(tags[10].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagProvinceOrState, tags[11].GetTagType());
Sharpen.Tests.AreEqual("State", directory.GetObject(tags[11].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCountryOrPrimaryLocationName, tags[12].GetTagType());
Sharpen.Tests.AreEqual("Country", directory.GetObject(tags[12].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagOriginalTransmissionReference, tags[13].GetTagType());
Sharpen.Tests.AreEqual("Transmission", directory.GetObject(tags[13].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCategory, tags[14].GetTagType());
Sharpen.Tests.AreEqual("Cat", directory.GetObject(tags[14].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagSupplementalCategories, tags[15].GetTagType());
NUnit.Framework.CollectionAssert.AreEqual(new string[] { "Supl. Category1", "Supl. Category2" }, directory.GetStringArray(tags[15].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCopyrightNotice, tags[16].GetTagType());
Sharpen.Tests.AreEqual("Copyright", directory.GetObject(tags[16].GetTagType()));
}
public virtual void TestIptc1BytesFromFile()
{
IptcDirectory directory = ProcessBytes("Tests/Data/iptc1.jpg.appd");
Sharpen.Tests.IsFalse(Sharpen.Extensions.ConvertToString(directory.GetErrors()), directory.HasErrors());
Tag[] tags = Sharpen.Collections.ToArray(directory.GetTags(), new Tag[directory.GetTagCount()]);
Sharpen.Tests.AreEqual(16, tags.Length);
Sharpen.Tests.AreEqual(IptcDirectory.TagCategory, tags[0].GetTagType());
NUnit.Framework.CollectionAssert.AreEqual(new string[] { "Supl. Category2", "Supl. Category1", "Cat" }, directory.GetStringArray(tags[0].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCopyrightNotice, tags[1].GetTagType());
Sharpen.Tests.AreEqual("Copyright", directory.GetObject(tags[1].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagSpecialInstructions, tags[2].GetTagType());
Sharpen.Tests.AreEqual("Special Instr.", directory.GetObject(tags[2].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagHeadline, tags[3].GetTagType());
Sharpen.Tests.AreEqual("Headline", directory.GetObject(tags[3].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCaptionWriter, tags[4].GetTagType());
Sharpen.Tests.AreEqual("CaptionWriter", directory.GetObject(tags[4].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCaption, tags[5].GetTagType());
Sharpen.Tests.AreEqual("Caption", directory.GetObject(tags[5].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagOriginalTransmissionReference, tags[6].GetTagType());
Sharpen.Tests.AreEqual("Transmission", directory.GetObject(tags[6].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCountryOrPrimaryLocationName, tags[7].GetTagType());
Sharpen.Tests.AreEqual("Country", directory.GetObject(tags[7].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagProvinceOrState, tags[8].GetTagType());
Sharpen.Tests.AreEqual("State", directory.GetObject(tags[8].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCity, tags[9].GetTagType());
Sharpen.Tests.AreEqual("City", directory.GetObject(tags[9].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagDateCreated, tags[10].GetTagType());
Sharpen.Tests.AreEqual(new Sharpen.GregorianCalendar(2000, 0, 1).GetTime(), directory.GetObject(tags[10].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagObjectName, tags[11].GetTagType());
Sharpen.Tests.AreEqual("ObjectName", directory.GetObject(tags[11].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagSource, tags[12].GetTagType());
Sharpen.Tests.AreEqual("Source", directory.GetObject(tags[12].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagCredit, tags[13].GetTagType());
Sharpen.Tests.AreEqual("Credits", directory.GetObject(tags[13].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagByLineTitle, tags[14].GetTagType());
Sharpen.Tests.AreEqual("BylineTitle", directory.GetObject(tags[14].GetTagType()));
Sharpen.Tests.AreEqual(IptcDirectory.TagByLine, tags[15].GetTagType());
Sharpen.Tests.AreEqual("Byline", directory.GetObject(tags[15].GetTagType()));
}
/// <summary>
/// Performs the IPTC data extraction, adding found values to the specified instance of
/// <see cref="Com.Drew.Metadata.Metadata"/>
/// .
/// </summary>
public virtual void Extract([NotNull] SequentialReader reader, [NotNull] Com.Drew.Metadata.Metadata metadata, long length)
{
IptcDirectory directory = new IptcDirectory();
metadata.AddDirectory(directory);
int offset = 0;
// for each tag
while (offset < length)
{
// identifies start of a tag
short startByte;
try
{
startByte = reader.GetUInt8();
offset++;
}
catch (IOException)
{
directory.AddError("Unable to read starting byte of IPTC tag");
return;
}
if (startByte != unchecked ((int)(0x1c)))
{
// NOTE have seen images where there was one extra byte at the end, giving
// offset==length at this point, which is not worth logging as an error.
if (offset != length)
{
directory.AddError("Invalid IPTC tag marker at offset " + (offset - 1) + ". Expected '0x1c' but got '0x" + Sharpen.Extensions.ToHexString(startByte) + "'.");
}
return;
}
// we need at least five bytes left to read a tag
if (offset + 5 >= length)
{
directory.AddError("Too few bytes remain for a valid IPTC tag");
return;
}
int directoryType;
int tagType;
int tagByteCount;
try
{
directoryType = reader.GetUInt8();
tagType = reader.GetUInt8();
// TODO support Extended DataSet Tag (see 1.5(c), p14, IPTC-IIMV4.2.pdf)
tagByteCount = reader.GetUInt16();
offset += 4;
}
catch (IOException)
{
directory.AddError("IPTC data segment ended mid-way through tag descriptor");
return;
}
if (offset + tagByteCount > length)
{
directory.AddError("Data for tag extends beyond end of IPTC segment");
return;
}
try
{
ProcessTag(reader, directory, directoryType, tagType, tagByteCount);
}
catch (IOException)
{
directory.AddError("Error processing IPTC tag");
return;
}
offset += tagByteCount;
}
}
/// <summary>
/// Performs the IPTC data extraction, adding found values to the specified instance of
/// <see cref="Com.Drew.Metadata.Metadata"/>
/// .
/// </summary>
public virtual void Extract(SequentialReader reader, Com.Drew.Metadata.Metadata metadata, long length)
{
IptcDirectory directory = metadata.GetOrCreateDirectory <IptcDirectory>();
int offset = 0;
// for each tag
while (offset < length)
{
// identifies start of a tag
short startByte;
try
{
startByte = reader.GetUInt8();
offset++;
}
catch (IOException)
{
directory.AddError("Unable to read starting byte of IPTC tag");
return;
}
if (startByte != unchecked ((int)(0x1c)))
{
directory.AddError("Invalid start to IPTC tag");
return;
}
// we need at least five bytes left to read a tag
if (offset + 5 >= length)
{
directory.AddError("Too few bytes remain for a valid IPTC tag");
return;
}
int directoryType;
int tagType;
int tagByteCount;
try
{
directoryType = reader.GetUInt8();
tagType = reader.GetUInt8();
tagByteCount = reader.GetUInt16();
offset += 4;
}
catch (IOException)
{
directory.AddError("IPTC data segment ended mid-way through tag descriptor");
return;
}
if (offset + tagByteCount > length)
{
directory.AddError("Data for tag extends beyond end of IPTC segment");
return;
}
try
{
ProcessTag(reader, directory, directoryType, tagType, tagByteCount);
}
catch (IOException)
{
directory.AddError("Error processing IPTC tag");
return;
}
offset += tagByteCount;
}
}
/// <summary>
/// Performs the IPTC data extraction, adding found values to the specified instance of
/// <see cref="Com.Drew.Metadata.Metadata"/>
/// .
/// </summary>
public virtual void Extract([NotNull] SequentialReader reader, [NotNull] Com.Drew.Metadata.Metadata metadata, long length)
{
IptcDirectory directory = new IptcDirectory();
metadata.AddDirectory(directory);
int offset = 0;
// for each tag
while (offset < length)
{
// identifies start of a tag
short startByte;
try
{
startByte = reader.GetUInt8();
offset++;
}
catch (IOException)
{
directory.AddError("Unable to read starting byte of IPTC tag");
return;
}
if (startByte != unchecked((int)(0x1c)))
{
// NOTE have seen images where there was one extra byte at the end, giving
// offset==length at this point, which is not worth logging as an error.
if (offset != length)
{
directory.AddError("Invalid IPTC tag marker at offset " + (offset - 1) + ". Expected '0x1c' but got '0x" + Sharpen.Extensions.ToHexString(startByte) + "'.");
}
return;
}
// we need at least five bytes left to read a tag
if (offset + 5 >= length)
{
directory.AddError("Too few bytes remain for a valid IPTC tag");
return;
}
int directoryType;
int tagType;
int tagByteCount;
try
{
directoryType = reader.GetUInt8();
tagType = reader.GetUInt8();
// TODO support Extended DataSet Tag (see 1.5(c), p14, IPTC-IIMV4.2.pdf)
tagByteCount = reader.GetUInt16();
offset += 4;
}
catch (IOException)
{
directory.AddError("IPTC data segment ended mid-way through tag descriptor");
return;
}
if (offset + tagByteCount > length)
{
directory.AddError("Data for tag extends beyond end of IPTC segment");
return;
}
try
{
ProcessTag(reader, directory, directoryType, tagType, tagByteCount);
}
catch (IOException)
{
directory.AddError("Error processing IPTC tag");
return;
}
offset += tagByteCount;
}
}
