/// <summary>Creates an <code>XMPDateTime</code>-instance from a calendar.</summary>
/// <param name="calendar">a <code>Calendar</code></param>
public XMPDateTimeImpl(Sharpen.Calendar calendar)
{
// EMPTY
// extract the date and timezone from the calendar provided
DateTime date = calendar.GetTime();
TimeZoneInfo zone = calendar.GetTimeZone();
// put that date into a calendar the pretty much represents ISO8601
// I use US because it is close to the "locale" for the ISO8601 spec
Sharpen.GregorianCalendar intCalendar = (Sharpen.GregorianCalendar)Sharpen.Calendar.GetInstance(CultureInfo.InvariantCulture);
intCalendar.SetGregorianChange(Sharpen.Extensions.CreateDate(long.MinValue));
intCalendar.SetTimeZone(zone);
intCalendar.SetTime(date);
this.year = intCalendar.Get(Sharpen.CalendarEnum.Year);
this.month = intCalendar.Get(Sharpen.CalendarEnum.Month) + 1;
// cal is from 0..12
this.day = intCalendar.Get(Sharpen.CalendarEnum.DayOfMonth);
this.hour = intCalendar.Get(Sharpen.CalendarEnum.HourOfDay);
this.minute = intCalendar.Get(Sharpen.CalendarEnum.Minute);
this.second = intCalendar.Get(Sharpen.CalendarEnum.Second);
this.nanoSeconds = intCalendar.Get(Sharpen.CalendarEnum.Millisecond) * 1000000;
this.timeZone = intCalendar.GetTimeZone();
// object contains all date components
hasDate = hasTime = hasTimeZone = true;
}
/// <exception cref="Com.Adobe.Xmp.XMPException"/>
private void ProcessXmpDateTag(XMPMeta meta, XmpDirectory directory, string schemaNS, string propName, int tagType)
{
Sharpen.Calendar cal = meta.GetPropertyCalendar(schemaNS, propName);
if (cal != null)
{
directory.SetDate(tagType, cal.GetTime());
}
}
/// <exception cref="Com.Adobe.Xmp.XMPException"/>
private static void ProcessXmpDateTag([NotNull] XMPMeta meta, [NotNull] XmpDirectory directory, int tagType)
{
string schemaNS = XmpDirectory._tagSchemaMap.Get(tagType);
string propName = XmpDirectory._tagPropNameMap.Get(tagType);
Sharpen.Calendar cal = meta.GetPropertyCalendar(schemaNS, propName);
if (cal != null)
{
directory.SetDate(tagType, cal.GetTime());
}
}
/// <exception cref="System.IO.IOException"/>
private void SetDate(IccDirectory directory, int tagType, RandomAccessReader reader)
{
int y = reader.GetUInt16(tagType);
int m = reader.GetUInt16(tagType + 2);
int d = reader.GetUInt16(tagType + 4);
int h = reader.GetUInt16(tagType + 6);
int M = reader.GetUInt16(tagType + 8);
int s = reader.GetUInt16(tagType + 10);
// final Date value = new Date(Date.UTC(y - 1900, m - 1, d, h, M, s));
Sharpen.Calendar calendar = Sharpen.Calendar.GetInstance(Sharpen.Extensions.GetTimeZone("UTC"));
calendar.Set(y, m, d, h, M, s);
DateTime value = calendar.GetTime();
directory.SetDate(tagType, value);
}
/// <summary>Creates an <c>XMPDateTime</c>-instance from a calendar.</summary>
/// <param name="calendar">a <c>Calendar</c></param>
public XmpDateTime(Calendar calendar)
{
// extract the date and timezone from the calendar provided
var date = calendar.GetTime();
var zone = calendar.GetTimeZone();
// put that date into a calendar the pretty much represents ISO8601
// I use US because it is close to the "locale" for the ISO8601 spec
var intCalendar = (GregorianCalendar)Calendar.GetInstance(CultureInfo.InvariantCulture);
intCalendar.SetGregorianChange(UnixTimeToDateTime(long.MinValue));
intCalendar.SetTimeZone(zone);
intCalendar.SetTime(date);
_year = intCalendar.Get(CalendarEnum.Year);
_month = intCalendar.Get(CalendarEnum.Month) + 1;
// cal is from 0..12
_day = intCalendar.Get(CalendarEnum.DayOfMonth);
_hour = intCalendar.Get(CalendarEnum.HourOfDay);
_minute = intCalendar.Get(CalendarEnum.Minute);
_second = intCalendar.Get(CalendarEnum.Second);
_nanoseconds = intCalendar.Get(CalendarEnum.Millisecond) * 1000000;
_timeZone = intCalendar.GetTimeZone();
// object contains all date components
HasDate = HasTime = HasTimeZone = true;
}
/// <exception cref="XmpException"/>
public void SetPropertyCalendar(string schemaNs, string propName, Calendar propValue)
{
SetProperty(schemaNs, propName, propValue, null);
}
/// <exception cref="XmpException"/>
public void SetPropertyCalendar(string schemaNs, string propName, Calendar propValue, PropertyOptions options)
{
SetProperty(schemaNs, propName, propValue, options);
}
// EMPTY
/// <summary>Creates an <code>XMPDateTime</code> from a <code>Calendar</code>-object.</summary>
/// <param name="calendar">a <code>Calendar</code>-object.</param>
/// <returns>An <code>XMPDateTime</code>-object.</returns>
public static XMPDateTime CreateFromCalendar(Sharpen.Calendar calendar)
{
return(new XMPDateTimeImpl(calendar));
}
/// <summary>
/// Sets the local time zone without touching any other Any existing time zone value is replaced,
/// the other date/time fields are not adjusted in any way.
/// </summary>
/// <param name="dateTime">the <code>XMPDateTime</code> variable containing the value to be modified.</param>
/// <returns>Returns an updated <code>XMPDateTime</code>-object.</returns>
public static XMPDateTime SetLocalTimeZone(XMPDateTime dateTime)
{
Sharpen.Calendar cal = dateTime.GetCalendar();
cal.SetTimeZone(System.TimeZoneInfo.Local);
return(new XMPDateTimeImpl(cal));
}
/// <exception cref="Com.Drew.Imaging.Png.PngProcessingException"/>
/// <exception cref="System.IO.IOException"/>
private static void ProcessChunk([NotNull] Com.Drew.Metadata.Metadata metadata, [NotNull] PngChunk chunk)
{
PngChunkType chunkType = chunk.GetChunkType();
sbyte[] bytes = chunk.GetBytes();
if (chunkType.Equals(PngChunkType.Ihdr))
{
PngHeader header = new PngHeader(bytes);
PngDirectory directory = new PngDirectory(PngChunkType.Ihdr);
directory.SetInt(PngDirectory.TagImageWidth, header.GetImageWidth());
directory.SetInt(PngDirectory.TagImageHeight, header.GetImageHeight());
directory.SetInt(PngDirectory.TagBitsPerSample, header.GetBitsPerSample());
directory.SetInt(PngDirectory.TagColorType, header.GetColorType().GetNumericValue());
directory.SetInt(PngDirectory.TagCompressionType, header.GetCompressionType());
directory.SetInt(PngDirectory.TagFilterMethod, header.GetFilterMethod());
directory.SetInt(PngDirectory.TagInterlaceMethod, header.GetInterlaceMethod());
metadata.AddDirectory(directory);
}
else
{
if (chunkType.Equals(PngChunkType.Plte))
{
PngDirectory directory = new PngDirectory(PngChunkType.Plte);
directory.SetInt(PngDirectory.TagPaletteSize, bytes.Length / 3);
metadata.AddDirectory(directory);
}
else
{
if (chunkType.Equals(PngChunkType.tRNS))
{
PngDirectory directory = new PngDirectory(PngChunkType.tRNS);
directory.SetInt(PngDirectory.TagPaletteHasTransparency, 1);
metadata.AddDirectory(directory);
}
else
{
if (chunkType.Equals(PngChunkType.sRGB))
{
int srgbRenderingIntent = new SequentialByteArrayReader(bytes).GetInt8();
PngDirectory directory = new PngDirectory(PngChunkType.sRGB);
directory.SetInt(PngDirectory.TagSrgbRenderingIntent, srgbRenderingIntent);
metadata.AddDirectory(directory);
}
else
{
if (chunkType.Equals(PngChunkType.cHRM))
{
PngChromaticities chromaticities = new PngChromaticities(bytes);
PngChromaticitiesDirectory directory = new PngChromaticitiesDirectory();
directory.SetInt(PngChromaticitiesDirectory.TagWhitePointX, chromaticities.GetWhitePointX());
directory.SetInt(PngChromaticitiesDirectory.TagWhitePointX, chromaticities.GetWhitePointX());
directory.SetInt(PngChromaticitiesDirectory.TagRedX, chromaticities.GetRedX());
directory.SetInt(PngChromaticitiesDirectory.TagRedY, chromaticities.GetRedY());
directory.SetInt(PngChromaticitiesDirectory.TagGreenX, chromaticities.GetGreenX());
directory.SetInt(PngChromaticitiesDirectory.TagGreenY, chromaticities.GetGreenY());
directory.SetInt(PngChromaticitiesDirectory.TagBlueX, chromaticities.GetBlueX());
directory.SetInt(PngChromaticitiesDirectory.TagBlueY, chromaticities.GetBlueY());
metadata.AddDirectory(directory);
}
else
{
if (chunkType.Equals(PngChunkType.gAMA))
{
int gammaInt = new SequentialByteArrayReader(bytes).GetInt32();
PngDirectory directory = new PngDirectory(PngChunkType.gAMA);
directory.SetDouble(PngDirectory.TagGamma, gammaInt / 100000.0);
metadata.AddDirectory(directory);
}
else
{
if (chunkType.Equals(PngChunkType.iCCP))
{
SequentialReader reader = new SequentialByteArrayReader(bytes);
string profileName = reader.GetNullTerminatedString(79);
PngDirectory directory = new PngDirectory(PngChunkType.iCCP);
directory.SetString(PngDirectory.TagIccProfileName, profileName);
sbyte compressionMethod = reader.GetInt8();
if (compressionMethod == 0)
{
// Only compression method allowed by the spec is zero: deflate
// This assumes 1-byte-per-char, which it is by spec.
int bytesLeft = bytes.Length - profileName.Length - 2;
sbyte[] compressedProfile = reader.GetBytes(bytesLeft);
InflaterInputStream inflateStream = new InflaterInputStream(new ByteArrayInputStream(compressedProfile));
new IccReader().Extract(new RandomAccessStreamReader(inflateStream), metadata);
inflateStream.Close();
}
metadata.AddDirectory(directory);
}
else
{
if (chunkType.Equals(PngChunkType.bKGD))
{
PngDirectory directory = new PngDirectory(PngChunkType.bKGD);
directory.SetByteArray(PngDirectory.TagBackgroundColor, bytes);
metadata.AddDirectory(directory);
}
else
{
if (chunkType.Equals(PngChunkType.tEXt))
{
SequentialReader reader = new SequentialByteArrayReader(bytes);
string keyword = reader.GetNullTerminatedString(79);
int bytesLeft = bytes.Length - keyword.Length - 1;
string value = reader.GetNullTerminatedString(bytesLeft);
IList <KeyValuePair> textPairs = new AList <KeyValuePair>();
textPairs.Add(new KeyValuePair(keyword, value));
PngDirectory directory = new PngDirectory(PngChunkType.iTXt);
directory.SetObject(PngDirectory.TagTextualData, textPairs);
metadata.AddDirectory(directory);
}
else
{
if (chunkType.Equals(PngChunkType.iTXt))
{
SequentialReader reader = new SequentialByteArrayReader(bytes);
string keyword = reader.GetNullTerminatedString(79);
sbyte compressionFlag = reader.GetInt8();
sbyte compressionMethod = reader.GetInt8();
string languageTag = reader.GetNullTerminatedString(bytes.Length);
string translatedKeyword = reader.GetNullTerminatedString(bytes.Length);
int bytesLeft = bytes.Length - keyword.Length - 1 - 1 - 1 - languageTag.Length - 1 - translatedKeyword.Length - 1;
string text = null;
if (compressionFlag == 0)
{
text = reader.GetNullTerminatedString(bytesLeft);
}
else
{
if (compressionFlag == 1)
{
if (compressionMethod == 0)
{
text = StringUtil.FromStream(new InflaterInputStream(new ByteArrayInputStream(bytes, bytes.Length - bytesLeft, bytesLeft)));
}
else
{
PngDirectory directory = new PngDirectory(PngChunkType.iTXt);
directory.AddError("Invalid compression method value");
metadata.AddDirectory(directory);
}
}
else
{
PngDirectory directory = new PngDirectory(PngChunkType.iTXt);
directory.AddError("Invalid compression flag value");
metadata.AddDirectory(directory);
}
}
if (text != null)
{
if (keyword.Equals("XML:com.adobe.xmp"))
{
// NOTE in testing images, the XMP has parsed successfully, but we are not extracting tags from it as necessary
new XmpReader().Extract(text, metadata);
}
else
{
IList <KeyValuePair> textPairs = new AList <KeyValuePair>();
textPairs.Add(new KeyValuePair(keyword, text));
PngDirectory directory = new PngDirectory(PngChunkType.iTXt);
directory.SetObject(PngDirectory.TagTextualData, textPairs);
metadata.AddDirectory(directory);
}
}
}
else
{
if (chunkType.Equals(PngChunkType.tIME))
{
SequentialByteArrayReader reader = new SequentialByteArrayReader(bytes);
int year = reader.GetUInt16();
int month = reader.GetUInt8() - 1;
int day = reader.GetUInt8();
int hour = reader.GetUInt8();
int minute = reader.GetUInt8();
int second = reader.GetUInt8();
Sharpen.Calendar calendar = Sharpen.Calendar.GetInstance(Sharpen.Extensions.GetTimeZone("UTC"));
//noinspection MagicConstant
calendar.Set(year, month, day, hour, minute, second);
PngDirectory directory = new PngDirectory(PngChunkType.tIME);
directory.SetDate(PngDirectory.TagLastModificationTime, calendar.GetTime());
metadata.AddDirectory(directory);
}
else
{
if (chunkType.Equals(PngChunkType.pHYs))
{
SequentialByteArrayReader reader = new SequentialByteArrayReader(bytes);
int pixelsPerUnitX = reader.GetInt32();
int pixelsPerUnitY = reader.GetInt32();
sbyte unitSpecifier = reader.GetInt8();
PngDirectory directory = new PngDirectory(PngChunkType.pHYs);
directory.SetInt(PngDirectory.TagPixelsPerUnitX, pixelsPerUnitX);
directory.SetInt(PngDirectory.TagPixelsPerUnitY, pixelsPerUnitY);
directory.SetInt(PngDirectory.TagUnitSpecifier, unitSpecifier);
metadata.AddDirectory(directory);
}
else
{
if (chunkType.Equals(PngChunkType.sBIT))
{
PngDirectory directory = new PngDirectory(PngChunkType.sBIT);
directory.SetByteArray(PngDirectory.TagSignificantBits, bytes);
metadata.AddDirectory(directory);
}
}
}
}
}
}
}
}
}
}
}
}
}
}
/// <summary>Creates an <c>XMPDateTime</c> from a <c>Calendar</c>-object.</summary>
/// <param name="calendar">a <c>Calendar</c>-object.</param>
/// <returns>An <c>XMPDateTime</c>-object.</returns>
public static IXmpDateTime CreateFromCalendar(Calendar calendar)
{
return new XmpDateTime(calendar);
}