获取图片EXIF信息
EXIFextractor.cs
EXIFextractor.cs
using System;
using System.Text;
using System.Collections;
using System.Drawing.Imaging;
using System.Reflection;
using System.IO;
namespace EXIF
{
/// <summary>
/// EXIFextractor Class
///
/// </summary>
public class EXIFextractor : IEnumerable
{
/// <summary>
/// Get the individual property value by supplying property name
/// These are the valid property names :
///
/// "Exif IFD"
/// "Gps IFD"
/// "New Subfile Type"
/// "Subfile Type"
/// "Image Width"
/// "Image Height"
/// "Bits Per Sample"
/// "Compression"
/// "Photometric Interp"
/// "Thresh Holding"
/// "Cell Width"
/// "Cell Height"
/// "Fill Order"
/// "Document Name"
/// "Image Description"
/// "Equip Make"
/// "Equip Model"
/// "Strip Offsets"
/// "Orientation"
/// "Samples PerPixel"
/// "Rows Per Strip"
/// "Strip Bytes Count"
/// "Min Sample Value"
/// "Max Sample Value"
/// "X Resolution"
/// "Y Resolution"
/// "Planar Config"
/// "Page Name"
/// "X Position"
/// "Y Position"
/// "Free Offset"
/// "Free Byte Counts"
/// "Gray Response Unit"
/// "Gray Response Curve"
/// "T4 Option"
/// "T6 Option"
/// "Resolution Unit"
/// "Page Number"
/// "Transfer Funcition"
/// "Software Used"
/// "Date Time"
/// "Artist"
/// "Host Computer"
/// "Predictor"
/// "White Point"
/// "Primary Chromaticities"
/// "ColorMap"
/// "Halftone Hints"
/// "Tile Width"
/// "Tile Length"
/// "Tile Offset"
/// "Tile ByteCounts"
/// "InkSet"
/// "Ink Names"
/// "Number Of Inks"
/// "Dot Range"
/// "Target Printer"
/// "Extra Samples"
/// "Sample Format"
/// "S Min Sample Value"
/// "S Max Sample Value"
/// "Transfer Range"
/// "JPEG Proc"
/// "JPEG InterFormat"
/// "JPEG InterLength"
/// "JPEG RestartInterval"
/// "JPEG LosslessPredictors"
/// "JPEG PointTransforms"
/// "JPEG QTables"
/// "JPEG DCTables"
/// "JPEG ACTables"
/// "YCbCr Coefficients"
/// "YCbCr Subsampling"
/// "YCbCr Positioning"
/// "REF Black White"
/// "ICC Profile"
/// "Gamma"
/// "ICC Profile Descriptor"
/// "SRGB RenderingIntent"
/// "Image Title"
/// "Copyright"
/// "Resolution X Unit"
/// "Resolution Y Unit"
/// "Resolution X LengthUnit"
/// "Resolution Y LengthUnit"
/// "Print Flags"
/// "Print Flags Version"
/// "Print Flags Crop"
/// "Print Flags Bleed Width"
/// "Print Flags Bleed Width Scale"
/// "Halftone LPI"
/// "Halftone LPIUnit"
/// "Halftone Degree"
/// "Halftone Shape"
/// "Halftone Misc"
/// "Halftone Screen"
/// "JPEG Quality"
/// "Grid Size"
/// "Thumbnail Format"
/// "Thumbnail Width"
/// "Thumbnail Height"
/// "Thumbnail ColorDepth"
/// "Thumbnail Planes"
/// "Thumbnail RawBytes"
/// "Thumbnail Size"
/// "Thumbnail CompressedSize"
/// "Color Transfer Function"
/// "Thumbnail Data"
/// "Thumbnail ImageWidth"
/// "Thumbnail ImageHeight"
/// "Thumbnail BitsPerSample"
/// "Thumbnail Compression"
/// "Thumbnail PhotometricInterp"
/// "Thumbnail ImageDescription"
/// "Thumbnail EquipMake"
/// "Thumbnail EquipModel"
/// "Thumbnail StripOffsets"
/// "Thumbnail Orientation"
/// "Thumbnail SamplesPerPixel"
/// "Thumbnail RowsPerStrip"
/// "Thumbnail StripBytesCount"
/// "Thumbnail ResolutionX"
/// "Thumbnail ResolutionY"
/// "Thumbnail PlanarConfig"
/// "Thumbnail ResolutionUnit"
/// "Thumbnail TransferFunction"
/// "Thumbnail SoftwareUsed"
/// "Thumbnail DateTime"
/// "Thumbnail Artist"
/// "Thumbnail WhitePoint"
/// "Thumbnail PrimaryChromaticities"
/// "Thumbnail YCbCrCoefficients"
/// "Thumbnail YCbCrSubsampling"
/// "Thumbnail YCbCrPositioning"
/// "Thumbnail RefBlackWhite"
/// "Thumbnail CopyRight"
/// "Luminance Table"
/// "Chrominance Table"
/// "Frame Delay"
/// "Loop Count"
/// "Pixel Unit"
/// "Pixel PerUnit X"
/// "Pixel PerUnit Y"
/// "Palette Histogram"
/// "Exposure Time"
/// "F-Number"
/// "Exposure Prog"
/// "Spectral Sense"
/// "ISO Speed"
/// "OECF"
/// "Ver"
/// "DTOrig"
/// "DTDigitized"
/// "CompConfig"
/// "CompBPP"
/// "Shutter Speed"
/// "Aperture"
/// "Brightness"
/// "Exposure Bias"
/// "MaxAperture"
/// "SubjectDist"
/// "Metering Mode"
/// "LightSource"
/// "Flash"
/// "FocalLength"
/// "Maker Note"
/// "User Comment"
/// "DTSubsec"
/// "DTOrigSS"
/// "DTDigSS"
/// "FPXVer"
/// "ColorSpace"
/// "PixXDim"
/// "PixYDim"
/// "RelatedWav"
/// "Interop"
/// "FlashEnergy"
/// "SpatialFR"
/// "FocalXRes"
/// "FocalYRes"
/// "FocalResUnit"
/// "Subject Loc"
/// "Exposure Index"
/// "Sensing Method"
/// "FileSource"
/// "SceneType"
/// "CfaPattern"
/// "Gps Ver"
/// "Gps LatitudeRef"
/// "Gps Latitude"
/// "Gps LongitudeRef"
/// "Gps Longitude"
/// "Gps AltitudeRef"
/// "Gps Altitude"
/// "Gps GpsTime"
/// "Gps GpsSatellites"
/// "Gps GpsStatus"
/// "Gps GpsMeasureMode"
/// "Gps GpsDop"
/// "Gps SpeedRef"
/// "Gps Speed"
/// "Gps TrackRef"
/// "Gps Track"
/// "Gps ImgDirRef"
/// "Gps ImgDir"
/// "Gps MapDatum"
/// "Gps DestLatRef"
/// "Gps DestLat"
/// "Gps DestLongRef"
/// "Gps DestLong"
/// "Gps DestBearRef"
/// "Gps DestBear"
/// "Gps DestDistRef"
/// "Gps DestDist"
/// </summary>
public object this[string index]
{
get
{
return properties[index];
}
}
//
private System.Drawing.Bitmap bmp;
//
private string data;
//
private translation myHash;
//
private Hashtable properties;
//
internal int Count
{
get
{
return this.properties.Count;
}
}
//
string sp;
/// <summary>
///
/// </summary>
/// <param name="id"></param>
/// <param name="len"></param>
/// <param name="type"></param>
/// <param name="data"></param>
public void setTag(int id, string data)
{
Encoding ascii = Encoding.ASCII;
this.setTag(id, data.Length, 0x2, ascii.GetBytes(data));
}
/// <summary>
///
/// </summary>
/// <param name="id"></param>
/// <param name="len"></param>
/// <param name="type"></param>
/// <param name="data"></param>
public void setTag(int id, int len, short type, byte[] data)
{
PropertyItem p = CreatePropertyItem(type, id, len, data);
this.bmp.SetPropertyItem(p);
buildDB(this.bmp.PropertyItems);
}
/// <summary>
///
/// </summary>
/// <param name="type"></param>
/// <param name="tag"></param>
/// <param name="len"></param>
/// <param name="value"></param>
/// <returns></returns>
private static PropertyItem CreatePropertyItem(short type, int tag, int len, byte[] value)
{
PropertyItem item;
// Loads a PropertyItem from a Jpeg image stored in the assembly as a resource.
Assembly assembly = Assembly.GetExecutingAssembly();
Stream emptyBitmapStream = assembly.GetManifestResourceStream("EXIFextractor.decoy.jpg");
System.Drawing.Image empty = System.Drawing.Image.FromStream(emptyBitmapStream);
item = empty.PropertyItems[0];
// Copies the data to the property item.
item.Type = type;
item.Len = len;
item.Id = tag;
item.Value = new byte[value.Length];
value.CopyTo(item.Value, 0);
return item;
}
/// <summary>
///
/// </summary>
/// <param name="bmp"></param>
/// <param name="sp"></param>
public EXIFextractor(ref System.Drawing.Bitmap bmp, string sp)
{
properties = new Hashtable();
//
this.bmp = bmp;
this.sp = sp;
//
myHash = new translation();
buildDB(this.bmp.PropertyItems);
}
string msp = "";
public EXIFextractor(ref System.Drawing.Bitmap bmp, string sp, string msp)
{
properties = new Hashtable();
this.sp = sp;
this.msp = msp;
this.bmp = bmp;
//
myHash = new translation();
this.buildDB(bmp.PropertyItems);
}
public static PropertyItem[] GetExifProperties(string fileName)
{
FileStream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
System.Drawing.Image image = System.Drawing.Image.FromStream(stream,
/* useEmbeddedColorManagement = */ true,
/* validateImageData = */ false);
return image.PropertyItems;
}
public EXIFextractor(string file, string sp, string msp)
{
properties = new Hashtable();
this.sp = sp;
this.msp = msp;
myHash = new translation();
//
this.buildDB(GetExifProperties(file));
}
/// <summary>
///
/// </summary>
private void buildDB(System.Drawing.Imaging.PropertyItem[] parr)
{
properties.Clear();
//
data = "";
//
Encoding ascii = Encoding.ASCII;
//
foreach (System.Drawing.Imaging.PropertyItem p in parr)
{
string v = "";
string name = (string)myHash[p.Id];
// tag not found. skip it
if (name == null) continue;
//
data += name + ": ";
//
//1 = BYTE An 8-bit unsigned integer.,
if (p.Type == 0x1)
{
v = p.Value[0].ToString();
}
//2 = ASCII An 8-bit byte containing one 7-bit ASCII code. The final byte is terminated with NULL.,
else if (p.Type == 0x2)
{
// string
v = ascii.GetString(p.Value);
}
//3 = SHORT A 16-bit (2 -byte) unsigned integer,
else if (p.Type == 0x3)
{
// orientation // lookup table
switch (p.Id)
{
case 0x8827: // ISO
v = "ISO-" + convertToInt16U(p.Value).ToString();
break;
case 0xA217: // sensing method
{
switch (convertToInt16U(p.Value))
{
case 1: v = "Not defined"; break;
case 2: v = "One-chip color area sensor"; break;
case 3: v = "Two-chip color area sensor"; break;
case 4: v = "Three-chip color area sensor"; break;
case 5: v = "Color sequential area sensor"; break;
case 7: v = "Trilinear sensor"; break;
case 8: v = "Color sequential linear sensor"; break;
default: v = " reserved"; break;
}
}
break;
case 0x8822: // aperture
switch (convertToInt16U(p.Value))
{
case 0: v = "Not defined"; break;
case 1: v = "Manual"; break;
case 2: v = "Normal program"; break;
case 3: v = "Aperture priority"; break;
case 4: v = "Shutter priority"; break;
case 5: v = "Creative program (biased toward depth of field)"; break;
case 6: v = "Action program (biased toward fast shutter speed)"; break;
case 7: v = "Portrait mode (for closeup photos with the background out of focus)"; break;
case 8: v = "Landscape mode (for landscape photos with the background in focus)"; break;
default: v = "reserved"; break;
}
break;
case 0x9207: // metering mode
switch (convertToInt16U(p.Value))
{
case 0: v = "unknown"; break;
case 1: v = "Average"; break;
case 2: v = "CenterWeightedAverage"; break;
case 3: v = "Spot"; break;
case 4: v = "MultiSpot"; break;
case 5: v = "Pattern"; break;
case 6: v = "Partial"; break;
case 255: v = "Other"; break;
default: v = "reserved"; break;
}
break;
case 0x9208: // light source
{
switch (convertToInt16U(p.Value))
{
case 0: v = "unknown"; break;
case 1: v = "Daylight"; break;
case 2: v = "Fluorescent"; break;
case 3: v = "Tungsten"; break;
case 17: v = "Standard light A"; break;
case 18: v = "Standard light B"; break;
case 19: v = "Standard light C"; break;
case 20: v = "D55"; break;
case 21: v = "D65"; break;
case 22: v = "D75"; break;
case 255: v = "other"; break;
default: v = "reserved"; break;
}
}
break;
case 0x9209:
{
switch (convertToInt16U(p.Value))
{
case 0: v = "Flash did not fire"; break;
case 1: v = "Flash fired"; break;
case 5: v = "Strobe return light not detected"; break;
case 7: v = "Strobe return light detected"; break;
default: v = "reserved"; break;
}
}
break;
default:
v = convertToInt16U(p.Value).ToString();
break;
}
}
//4 = LONG A 32-bit (4 -byte) unsigned integer,
else if (p.Type == 0x4)
{
// orientation // lookup table
v = convertToInt32U(p.Value).ToString();
}
//5 = RATIONAL Two LONGs. The first LONG is the numerator and the second LONG expresses the//denominator.,
else if (p.Type == 0x5)
{
// rational
byte[] n = new byte[p.Len / 2];
byte[] d = new byte[p.Len / 2];
Array.Copy(p.Value, 0, n, 0, p.Len / 2);
Array.Copy(p.Value, p.Len / 2, d, 0, p.Len / 2);
uint a = convertToInt32U(n);
uint b = convertToInt32U(d);
Rational r = new Rational(a, b);
//
//convert here
//
switch (p.Id)
{
case 0x9202: // aperture
v = "F/" + Math.Round(Math.Pow(Math.Sqrt(2), r.ToDouble()), 2).ToString();
break;
case 0x920A:
v = r.ToDouble().ToString();
break;
case 0x829A:
v = r.ToDouble().ToString();
break;
case 0x829D: // F-number
v = "F/" + r.ToDouble().ToString();
break;
default:
v = r.ToString("/");
break;
}
}
//7 = UNDEFINED An 8-bit byte that can take any value depending on the field definition,
else if (p.Type == 0x7)
{
switch (p.Id)
{
case 0xA300:
{
if (p.Value[0] == 3)
{
v = "DSC";
}
else
{
v = "reserved";
}
break;
}
case 0xA301:
if (p.Value[0] == 1)
v = "A directly photographed image";
else
v = "Not a directly photographed image";
break;
default:
v = "-";
break;
}
}
//9 = SLONG A 32-bit (4 -byte) signed integer (2s complement notation),
else if (p.Type == 0x9)
{
v = convertToInt32(p.Value).ToString();
}
//10 = SRATIONAL Two SLONGs. The first SLONG is the numerator and the second SLONG is the
//denominator.
else if (p.Type == 0xA)
{
// rational
byte[] n = new byte[p.Len / 2];
byte[] d = new byte[p.Len / 2];
Array.Copy(p.Value, 0, n, 0, p.Len / 2);
Array.Copy(p.Value, p.Len / 2, d, 0, p.Len / 2);
int a = convertToInt32(n);
int b = convertToInt32(d);
Rational r = new Rational(a, b);
//
// convert here
//
switch (p.Id)
{
case 0x9201: // shutter speed
v = "1/" + Math.Round(Math.Pow(2, r.ToDouble()), 2).ToString();
break;
case 0x9203:
v = Math.Round(r.ToDouble(), 4).ToString();
break;
default:
v = r.ToString("/");
break;
}
}
// add it to the list
if (properties[name] == null)
properties.Add(name, v);
// cat it too
data += v;
data += this.sp;
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public override string ToString()
{
return data;
}
/// <summary>
///
/// </summary>
/// <param name="arr"></param>
/// <returns></returns>
int convertToInt32(byte[] arr)
{
if (arr.Length != 4)
return 0;
else
return arr[3] << 24 | arr[2] << 16 | arr[1] << 8 | arr[0];
}
/// <summary>
///
/// </summary>
/// <param name="arr"></param>
/// <returns></returns>
int convertToInt16(byte[] arr)
{
if (arr.Length != 2)
return 0;
else
return arr[1] << 8 | arr[0];
}
/// <summary>
///
/// </summary>
/// <param name="arr"></param>
/// <returns></returns>
uint convertToInt32U(byte[] arr)
{
if (arr.Length != 4)
return 0;
else
return Convert.ToUInt32(arr[3] << 24 | arr[2] << 16 | arr[1] << 8 | arr[0]);
}
/// <summary>
///
/// </summary>
/// <param name="arr"></param>
/// <returns></returns>
uint convertToInt16U(byte[] arr)
{
if (arr.Length != 2)
return 0;
else
return Convert.ToUInt16(arr[1] << 8 | arr[0]);
}
#region IEnumerable Members
public IEnumerator GetEnumerator()
{
// TODO: Add EXIFextractor.GetEnumerator implementation
return (new EXIFextractorEnumerator(this.properties));
}
#endregion
}
//
// dont touch this class. its for IEnumerator
//
//
class EXIFextractorEnumerator : IEnumerator
{
Hashtable exifTable;
IDictionaryEnumerator index;
internal EXIFextractorEnumerator(Hashtable exif)
{
this.exifTable = exif;
this.Reset();
index = exif.GetEnumerator();
}
#region IEnumerator Members
public void Reset()
{
this.index = null;
}
public object Current
{
get
{
return (new Pair(this.index.Key, this.index.Value));
}
}
public bool MoveNext()
{
if (index != null && index.MoveNext())
return true;
else
return false;
}
#endregion
}
public class Pair
{
public string First;
public string Second;
public Pair(object key, object value)
{
this.First = key.ToString();
this.Second = value.ToString();
}
}
}
using System.Text;
using System.Collections;
using System.Drawing.Imaging;
using System.Reflection;
using System.IO;
namespace EXIF
{
/// <summary>
/// EXIFextractor Class
///
/// </summary>
public class EXIFextractor : IEnumerable
{
/// <summary>
/// Get the individual property value by supplying property name
/// These are the valid property names :
///
/// "Exif IFD"
/// "Gps IFD"
/// "New Subfile Type"
/// "Subfile Type"
/// "Image Width"
/// "Image Height"
/// "Bits Per Sample"
/// "Compression"
/// "Photometric Interp"
/// "Thresh Holding"
/// "Cell Width"
/// "Cell Height"
/// "Fill Order"
/// "Document Name"
/// "Image Description"
/// "Equip Make"
/// "Equip Model"
/// "Strip Offsets"
/// "Orientation"
/// "Samples PerPixel"
/// "Rows Per Strip"
/// "Strip Bytes Count"
/// "Min Sample Value"
/// "Max Sample Value"
/// "X Resolution"
/// "Y Resolution"
/// "Planar Config"
/// "Page Name"
/// "X Position"
/// "Y Position"
/// "Free Offset"
/// "Free Byte Counts"
/// "Gray Response Unit"
/// "Gray Response Curve"
/// "T4 Option"
/// "T6 Option"
/// "Resolution Unit"
/// "Page Number"
/// "Transfer Funcition"
/// "Software Used"
/// "Date Time"
/// "Artist"
/// "Host Computer"
/// "Predictor"
/// "White Point"
/// "Primary Chromaticities"
/// "ColorMap"
/// "Halftone Hints"
/// "Tile Width"
/// "Tile Length"
/// "Tile Offset"
/// "Tile ByteCounts"
/// "InkSet"
/// "Ink Names"
/// "Number Of Inks"
/// "Dot Range"
/// "Target Printer"
/// "Extra Samples"
/// "Sample Format"
/// "S Min Sample Value"
/// "S Max Sample Value"
/// "Transfer Range"
/// "JPEG Proc"
/// "JPEG InterFormat"
/// "JPEG InterLength"
/// "JPEG RestartInterval"
/// "JPEG LosslessPredictors"
/// "JPEG PointTransforms"
/// "JPEG QTables"
/// "JPEG DCTables"
/// "JPEG ACTables"
/// "YCbCr Coefficients"
/// "YCbCr Subsampling"
/// "YCbCr Positioning"
/// "REF Black White"
/// "ICC Profile"
/// "Gamma"
/// "ICC Profile Descriptor"
/// "SRGB RenderingIntent"
/// "Image Title"
/// "Copyright"
/// "Resolution X Unit"
/// "Resolution Y Unit"
/// "Resolution X LengthUnit"
/// "Resolution Y LengthUnit"
/// "Print Flags"
/// "Print Flags Version"
/// "Print Flags Crop"
/// "Print Flags Bleed Width"
/// "Print Flags Bleed Width Scale"
/// "Halftone LPI"
/// "Halftone LPIUnit"
/// "Halftone Degree"
/// "Halftone Shape"
/// "Halftone Misc"
/// "Halftone Screen"
/// "JPEG Quality"
/// "Grid Size"
/// "Thumbnail Format"
/// "Thumbnail Width"
/// "Thumbnail Height"
/// "Thumbnail ColorDepth"
/// "Thumbnail Planes"
/// "Thumbnail RawBytes"
/// "Thumbnail Size"
/// "Thumbnail CompressedSize"
/// "Color Transfer Function"
/// "Thumbnail Data"
/// "Thumbnail ImageWidth"
/// "Thumbnail ImageHeight"
/// "Thumbnail BitsPerSample"
/// "Thumbnail Compression"
/// "Thumbnail PhotometricInterp"
/// "Thumbnail ImageDescription"
/// "Thumbnail EquipMake"
/// "Thumbnail EquipModel"
/// "Thumbnail StripOffsets"
/// "Thumbnail Orientation"
/// "Thumbnail SamplesPerPixel"
/// "Thumbnail RowsPerStrip"
/// "Thumbnail StripBytesCount"
/// "Thumbnail ResolutionX"
/// "Thumbnail ResolutionY"
/// "Thumbnail PlanarConfig"
/// "Thumbnail ResolutionUnit"
/// "Thumbnail TransferFunction"
/// "Thumbnail SoftwareUsed"
/// "Thumbnail DateTime"
/// "Thumbnail Artist"
/// "Thumbnail WhitePoint"
/// "Thumbnail PrimaryChromaticities"
/// "Thumbnail YCbCrCoefficients"
/// "Thumbnail YCbCrSubsampling"
/// "Thumbnail YCbCrPositioning"
/// "Thumbnail RefBlackWhite"
/// "Thumbnail CopyRight"
/// "Luminance Table"
/// "Chrominance Table"
/// "Frame Delay"
/// "Loop Count"
/// "Pixel Unit"
/// "Pixel PerUnit X"
/// "Pixel PerUnit Y"
/// "Palette Histogram"
/// "Exposure Time"
/// "F-Number"
/// "Exposure Prog"
/// "Spectral Sense"
/// "ISO Speed"
/// "OECF"
/// "Ver"
/// "DTOrig"
/// "DTDigitized"
/// "CompConfig"
/// "CompBPP"
/// "Shutter Speed"
/// "Aperture"
/// "Brightness"
/// "Exposure Bias"
/// "MaxAperture"
/// "SubjectDist"
/// "Metering Mode"
/// "LightSource"
/// "Flash"
/// "FocalLength"
/// "Maker Note"
/// "User Comment"
/// "DTSubsec"
/// "DTOrigSS"
/// "DTDigSS"
/// "FPXVer"
/// "ColorSpace"
/// "PixXDim"
/// "PixYDim"
/// "RelatedWav"
/// "Interop"
/// "FlashEnergy"
/// "SpatialFR"
/// "FocalXRes"
/// "FocalYRes"
/// "FocalResUnit"
/// "Subject Loc"
/// "Exposure Index"
/// "Sensing Method"
/// "FileSource"
/// "SceneType"
/// "CfaPattern"
/// "Gps Ver"
/// "Gps LatitudeRef"
/// "Gps Latitude"
/// "Gps LongitudeRef"
/// "Gps Longitude"
/// "Gps AltitudeRef"
/// "Gps Altitude"
/// "Gps GpsTime"
/// "Gps GpsSatellites"
/// "Gps GpsStatus"
/// "Gps GpsMeasureMode"
/// "Gps GpsDop"
/// "Gps SpeedRef"
/// "Gps Speed"
/// "Gps TrackRef"
/// "Gps Track"
/// "Gps ImgDirRef"
/// "Gps ImgDir"
/// "Gps MapDatum"
/// "Gps DestLatRef"
/// "Gps DestLat"
/// "Gps DestLongRef"
/// "Gps DestLong"
/// "Gps DestBearRef"
/// "Gps DestBear"
/// "Gps DestDistRef"
/// "Gps DestDist"
/// </summary>
public object this[string index]
{
get
{
return properties[index];
}
}
//
private System.Drawing.Bitmap bmp;
//
private string data;
//
private translation myHash;
//
private Hashtable properties;
//
internal int Count
{
get
{
return this.properties.Count;
}
}
//
string sp;
/// <summary>
///
/// </summary>
/// <param name="id"></param>
/// <param name="len"></param>
/// <param name="type"></param>
/// <param name="data"></param>
public void setTag(int id, string data)
{
Encoding ascii = Encoding.ASCII;
this.setTag(id, data.Length, 0x2, ascii.GetBytes(data));
}
/// <summary>
///
/// </summary>
/// <param name="id"></param>
/// <param name="len"></param>
/// <param name="type"></param>
/// <param name="data"></param>
public void setTag(int id, int len, short type, byte[] data)
{
PropertyItem p = CreatePropertyItem(type, id, len, data);
this.bmp.SetPropertyItem(p);
buildDB(this.bmp.PropertyItems);
}
/// <summary>
///
/// </summary>
/// <param name="type"></param>
/// <param name="tag"></param>
/// <param name="len"></param>
/// <param name="value"></param>
/// <returns></returns>
private static PropertyItem CreatePropertyItem(short type, int tag, int len, byte[] value)
{
PropertyItem item;
// Loads a PropertyItem from a Jpeg image stored in the assembly as a resource.
Assembly assembly = Assembly.GetExecutingAssembly();
Stream emptyBitmapStream = assembly.GetManifestResourceStream("EXIFextractor.decoy.jpg");
System.Drawing.Image empty = System.Drawing.Image.FromStream(emptyBitmapStream);
item = empty.PropertyItems[0];
// Copies the data to the property item.
item.Type = type;
item.Len = len;
item.Id = tag;
item.Value = new byte[value.Length];
value.CopyTo(item.Value, 0);
return item;
}
/// <summary>
///
/// </summary>
/// <param name="bmp"></param>
/// <param name="sp"></param>
public EXIFextractor(ref System.Drawing.Bitmap bmp, string sp)
{
properties = new Hashtable();
//
this.bmp = bmp;
this.sp = sp;
//
myHash = new translation();
buildDB(this.bmp.PropertyItems);
}
string msp = "";
public EXIFextractor(ref System.Drawing.Bitmap bmp, string sp, string msp)
{
properties = new Hashtable();
this.sp = sp;
this.msp = msp;
this.bmp = bmp;
//
myHash = new translation();
this.buildDB(bmp.PropertyItems);
}
public static PropertyItem[] GetExifProperties(string fileName)
{
FileStream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
System.Drawing.Image image = System.Drawing.Image.FromStream(stream,
/* useEmbeddedColorManagement = */ true,
/* validateImageData = */ false);
return image.PropertyItems;
}
public EXIFextractor(string file, string sp, string msp)
{
properties = new Hashtable();
this.sp = sp;
this.msp = msp;
myHash = new translation();
//
this.buildDB(GetExifProperties(file));
}
/// <summary>
///
/// </summary>
private void buildDB(System.Drawing.Imaging.PropertyItem[] parr)
{
properties.Clear();
//
data = "";
//
Encoding ascii = Encoding.ASCII;
//
foreach (System.Drawing.Imaging.PropertyItem p in parr)
{
string v = "";
string name = (string)myHash[p.Id];
// tag not found. skip it
if (name == null) continue;
//
data += name + ": ";
//
//1 = BYTE An 8-bit unsigned integer.,
if (p.Type == 0x1)
{
v = p.Value[0].ToString();
}
//2 = ASCII An 8-bit byte containing one 7-bit ASCII code. The final byte is terminated with NULL.,
else if (p.Type == 0x2)
{
// string
v = ascii.GetString(p.Value);
}
//3 = SHORT A 16-bit (2 -byte) unsigned integer,
else if (p.Type == 0x3)
{
// orientation // lookup table
switch (p.Id)
{
case 0x8827: // ISO
v = "ISO-" + convertToInt16U(p.Value).ToString();
break;
case 0xA217: // sensing method
{
switch (convertToInt16U(p.Value))
{
case 1: v = "Not defined"; break;
case 2: v = "One-chip color area sensor"; break;
case 3: v = "Two-chip color area sensor"; break;
case 4: v = "Three-chip color area sensor"; break;
case 5: v = "Color sequential area sensor"; break;
case 7: v = "Trilinear sensor"; break;
case 8: v = "Color sequential linear sensor"; break;
default: v = " reserved"; break;
}
}
break;
case 0x8822: // aperture
switch (convertToInt16U(p.Value))
{
case 0: v = "Not defined"; break;
case 1: v = "Manual"; break;
case 2: v = "Normal program"; break;
case 3: v = "Aperture priority"; break;
case 4: v = "Shutter priority"; break;
case 5: v = "Creative program (biased toward depth of field)"; break;
case 6: v = "Action program (biased toward fast shutter speed)"; break;
case 7: v = "Portrait mode (for closeup photos with the background out of focus)"; break;
case 8: v = "Landscape mode (for landscape photos with the background in focus)"; break;
default: v = "reserved"; break;
}
break;
case 0x9207: // metering mode
switch (convertToInt16U(p.Value))
{
case 0: v = "unknown"; break;
case 1: v = "Average"; break;
case 2: v = "CenterWeightedAverage"; break;
case 3: v = "Spot"; break;
case 4: v = "MultiSpot"; break;
case 5: v = "Pattern"; break;
case 6: v = "Partial"; break;
case 255: v = "Other"; break;
default: v = "reserved"; break;
}
break;
case 0x9208: // light source
{
switch (convertToInt16U(p.Value))
{
case 0: v = "unknown"; break;
case 1: v = "Daylight"; break;
case 2: v = "Fluorescent"; break;
case 3: v = "Tungsten"; break;
case 17: v = "Standard light A"; break;
case 18: v = "Standard light B"; break;
case 19: v = "Standard light C"; break;
case 20: v = "D55"; break;
case 21: v = "D65"; break;
case 22: v = "D75"; break;
case 255: v = "other"; break;
default: v = "reserved"; break;
}
}
break;
case 0x9209:
{
switch (convertToInt16U(p.Value))
{
case 0: v = "Flash did not fire"; break;
case 1: v = "Flash fired"; break;
case 5: v = "Strobe return light not detected"; break;
case 7: v = "Strobe return light detected"; break;
default: v = "reserved"; break;
}
}
break;
default:
v = convertToInt16U(p.Value).ToString();
break;
}
}
//4 = LONG A 32-bit (4 -byte) unsigned integer,
else if (p.Type == 0x4)
{
// orientation // lookup table
v = convertToInt32U(p.Value).ToString();
}
//5 = RATIONAL Two LONGs. The first LONG is the numerator and the second LONG expresses the//denominator.,
else if (p.Type == 0x5)
{
// rational
byte[] n = new byte[p.Len / 2];
byte[] d = new byte[p.Len / 2];
Array.Copy(p.Value, 0, n, 0, p.Len / 2);
Array.Copy(p.Value, p.Len / 2, d, 0, p.Len / 2);
uint a = convertToInt32U(n);
uint b = convertToInt32U(d);
Rational r = new Rational(a, b);
//
//convert here
//
switch (p.Id)
{
case 0x9202: // aperture
v = "F/" + Math.Round(Math.Pow(Math.Sqrt(2), r.ToDouble()), 2).ToString();
break;
case 0x920A:
v = r.ToDouble().ToString();
break;
case 0x829A:
v = r.ToDouble().ToString();
break;
case 0x829D: // F-number
v = "F/" + r.ToDouble().ToString();
break;
default:
v = r.ToString("/");
break;
}
}
//7 = UNDEFINED An 8-bit byte that can take any value depending on the field definition,
else if (p.Type == 0x7)
{
switch (p.Id)
{
case 0xA300:
{
if (p.Value[0] == 3)
{
v = "DSC";
}
else
{
v = "reserved";
}
break;
}
case 0xA301:
if (p.Value[0] == 1)
v = "A directly photographed image";
else
v = "Not a directly photographed image";
break;
default:
v = "-";
break;
}
}
//9 = SLONG A 32-bit (4 -byte) signed integer (2s complement notation),
else if (p.Type == 0x9)
{
v = convertToInt32(p.Value).ToString();
}
//10 = SRATIONAL Two SLONGs. The first SLONG is the numerator and the second SLONG is the
//denominator.
else if (p.Type == 0xA)
{
// rational
byte[] n = new byte[p.Len / 2];
byte[] d = new byte[p.Len / 2];
Array.Copy(p.Value, 0, n, 0, p.Len / 2);
Array.Copy(p.Value, p.Len / 2, d, 0, p.Len / 2);
int a = convertToInt32(n);
int b = convertToInt32(d);
Rational r = new Rational(a, b);
//
// convert here
//
switch (p.Id)
{
case 0x9201: // shutter speed
v = "1/" + Math.Round(Math.Pow(2, r.ToDouble()), 2).ToString();
break;
case 0x9203:
v = Math.Round(r.ToDouble(), 4).ToString();
break;
default:
v = r.ToString("/");
break;
}
}
// add it to the list
if (properties[name] == null)
properties.Add(name, v);
// cat it too
data += v;
data += this.sp;
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public override string ToString()
{
return data;
}
/// <summary>
///
/// </summary>
/// <param name="arr"></param>
/// <returns></returns>
int convertToInt32(byte[] arr)
{
if (arr.Length != 4)
return 0;
else
return arr[3] << 24 | arr[2] << 16 | arr[1] << 8 | arr[0];
}
/// <summary>
///
/// </summary>
/// <param name="arr"></param>
/// <returns></returns>
int convertToInt16(byte[] arr)
{
if (arr.Length != 2)
return 0;
else
return arr[1] << 8 | arr[0];
}
/// <summary>
///
/// </summary>
/// <param name="arr"></param>
/// <returns></returns>
uint convertToInt32U(byte[] arr)
{
if (arr.Length != 4)
return 0;
else
return Convert.ToUInt32(arr[3] << 24 | arr[2] << 16 | arr[1] << 8 | arr[0]);
}
/// <summary>
///
/// </summary>
/// <param name="arr"></param>
/// <returns></returns>
uint convertToInt16U(byte[] arr)
{
if (arr.Length != 2)
return 0;
else
return Convert.ToUInt16(arr[1] << 8 | arr[0]);
}
#region IEnumerable Members
public IEnumerator GetEnumerator()
{
// TODO: Add EXIFextractor.GetEnumerator implementation
return (new EXIFextractorEnumerator(this.properties));
}
#endregion
}
//
// dont touch this class. its for IEnumerator
//
//
class EXIFextractorEnumerator : IEnumerator
{
Hashtable exifTable;
IDictionaryEnumerator index;
internal EXIFextractorEnumerator(Hashtable exif)
{
this.exifTable = exif;
this.Reset();
index = exif.GetEnumerator();
}
#region IEnumerator Members
public void Reset()
{
this.index = null;
}
public object Current
{
get
{
return (new Pair(this.index.Key, this.index.Value));
}
}
public bool MoveNext()
{
if (index != null && index.MoveNext())
return true;
else
return false;
}
#endregion
}
public class Pair
{
public string First;
public string Second;
public Pair(object key, object value)
{
this.First = key.ToString();
this.Second = value.ToString();
}
}
}
translation.cs
translation.cs
using System;
using System.Collections.Generic;
using System.Collections;
using System.Text;
namespace EXIF
{
/// <summary>
/// summary description for translation.
/// </summary>
public class translation : Hashtable
{
/// <summary>
///
/// </summary>
public translation()
{
this.Add(0x8769, "exif ifd");
this.Add(0x8825, "gps ifd");
this.Add(0xfe, "new subfile type");
this.Add(0xff, "subfile type");
this.Add(0x100, "image width");
this.Add(0x101, "image height");
this.Add(0x102, "bits per sample");
this.Add(0x103, "compression");
this.Add(0x106, "photometric interp");
this.Add(0x107, "thresh holding");
this.Add(0x108, "cell width");
this.Add(0x109, "cell height");
this.Add(0x10a, "fill order");
this.Add(0x10d, "document name");
this.Add(0x10e, "image description");
this.Add(0x10f, "equip make");
this.Add(0x110, "equip model");
this.Add(0x111, "strip offsets");
this.Add(0x112, "orientation");
this.Add(0x115, "samples perpixel");
this.Add(0x116, "rows per strip");
this.Add(0x117, "strip bytes count");
this.Add(0x118, "min sample value");
this.Add(0x119, "max sample value");
this.Add(0x11a, "x resolution");
this.Add(0x11b, "y resolution");
this.Add(0x11c, "planar config");
this.Add(0x11d, "page name");
this.Add(0x11e, "x position");
this.Add(0x11f, "y position");
this.Add(0x120, "free offset");
this.Add(0x121, "free byte counts");
this.Add(0x122, "gray response unit");
this.Add(0x123, "gray response curve");
this.Add(0x124, "t4 option");
this.Add(0x125, "t6 option");
this.Add(0x128, "resolution unit");
this.Add(0x129, "page number");
this.Add(0x12d, "transfer funcition");
this.Add(0x131, "software used");
this.Add(0x132, "date time");
this.Add(0x13b, "artist");
this.Add(0x13c, "host computer");
this.Add(0x13d, "predictor");
this.Add(0x13e, "white point");
this.Add(0x13f, "primary chromaticities");
this.Add(0x140, "colormap");
this.Add(0x141, "halftone hints");
this.Add(0x142, "tile width");
this.Add(0x143, "tile length");
this.Add(0x144, "tile offset");
this.Add(0x145, "tile bytecounts");
this.Add(0x14c, "inkset");
this.Add(0x14d, "ink names");
this.Add(0x14e, "number of inks");
this.Add(0x150, "dot range");
this.Add(0x151, "target printer");
this.Add(0x152, "extra samples");
this.Add(0x153, "sample format");
this.Add(0x154, "s min sample value");
this.Add(0x155, "s max sample value");
this.Add(0x156, "transfer range");
this.Add(0x200, "jpeg proc");
this.Add(0x201, "jpeg interformat");
this.Add(0x202, "jpeg interlength");
this.Add(0x203, "jpeg restartinterval");
this.Add(0x205, "jpeg losslesspredictors");
this.Add(0x206, "jpeg pointtransforms");
this.Add(0x207, "jpeg qtables");
this.Add(0x208, "jpeg dctables");
this.Add(0x209, "jpeg actables");
this.Add(0x211, "ycbcr coefficients");
this.Add(0x212, "ycbcr subsampling");
this.Add(0x213, "ycbcr positioning");
this.Add(0x214, "ref black white");
this.Add(0x8773, "icc profile");
this.Add(0x301, "gamma");
this.Add(0x302, "icc profile descriptor");
this.Add(0x303, "srgb renderingintent");
this.Add(0x320, "image title");
this.Add(0x8298, "copyright");
this.Add(0x5001, "resolution x unit");
this.Add(0x5002, "resolution y unit");
this.Add(0x5003, "resolution x lengthunit");
this.Add(0x5004, "resolution y lengthunit");
this.Add(0x5005, "print flags");
this.Add(0x5006, "print flags version");
this.Add(0x5007, "print flags crop");
this.Add(0x5008, "print flags bleed width");
this.Add(0x5009, "print flags bleed width scale");
this.Add(0x500a, "halftone lpi");
this.Add(0x500b, "halftone lpiunit");
this.Add(0x500c, "halftone degree");
this.Add(0x500d, "halftone shape");
this.Add(0x500e, "halftone misc");
this.Add(0x500f, "halftone screen");
this.Add(0x5010, "jpeg quality");
this.Add(0x5011, "grid size");
this.Add(0x5012, "thumbnail format");
this.Add(0x5013, "thumbnail width");
this.Add(0x5014, "thumbnail height");
this.Add(0x5015, "thumbnail colordepth");
this.Add(0x5016, "thumbnail planes");
this.Add(0x5017, "thumbnail rawbytes");
this.Add(0x5018, "thumbnail size");
this.Add(0x5019, "thumbnail compressedsize");
this.Add(0x501a, "color transfer function");
this.Add(0x501b, "thumbnail data");
this.Add(0x5020, "thumbnail imagewidth");
this.Add(0x502, "thumbnail imageheight");
this.Add(0x5022, "thumbnail bitspersample");
this.Add(0x5023, "thumbnail compression");
this.Add(0x5024, "thumbnail photometricinterp");
this.Add(0x5025, "thumbnail imagedescription");
this.Add(0x5026, "thumbnail equipmake");
this.Add(0x5027, "thumbnail equipmodel");
this.Add(0x5028, "thumbnail stripoffsets");
this.Add(0x5029, "thumbnail orientation");
this.Add(0x502a, "thumbnail samplesperpixel");
this.Add(0x502b, "thumbnail rowsperstrip");
this.Add(0x502c, "thumbnail stripbytescount");
this.Add(0x502d, "thumbnail resolutionx");
this.Add(0x502e, "thumbnail resolutiony");
this.Add(0x502f, "thumbnail planarconfig");
this.Add(0x5030, "thumbnail resolutionunit");
this.Add(0x5031, "thumbnail transferfunction");
this.Add(0x5032, "thumbnail softwareused");
this.Add(0x5033, "thumbnail datetime");
this.Add(0x5034, "thumbnail artist");
this.Add(0x5035, "thumbnail whitepoint");
this.Add(0x5036, "thumbnail primarychromaticities");
this.Add(0x5037, "thumbnail ycbcrcoefficients");
this.Add(0x5038, "thumbnail ycbcrsubsampling");
this.Add(0x5039, "thumbnail ycbcrpositioning");
this.Add(0x503a, "thumbnail refblackwhite");
this.Add(0x503b, "thumbnail copyright");
this.Add(0x5090, "luminance table");
this.Add(0x5091, "chrominance table");
this.Add(0x5100, "frame delay");
this.Add(0x5101, "loop count");
this.Add(0x5110, "pixel unit");
this.Add(0x5111, "pixel perunit x");
this.Add(0x5112, "pixel perunit y");
this.Add(0x5113, "palette histogram");
this.Add(0x829a, "exposure time");
this.Add(0x829d, "f-number");
this.Add(0x8822, "exposure prog");
this.Add(0x8824, "spectral sense");
this.Add(0x8827, "iso speed");
this.Add(0x8828, "oecf");
this.Add(0x9000, "ver");
this.Add(0x9003, "dtorig");
this.Add(0x9004, "dtdigitized");
this.Add(0x9101, "compconfig");
this.Add(0x9102, "compbpp");
this.Add(0x9201, "shutter speed");
this.Add(0x9202, "aperture");
this.Add(0x9203, "brightness");
this.Add(0x9204, "exposure bias");
this.Add(0x9205, "maxaperture");
this.Add(0x9206, "subjectdist");
this.Add(0x9207, "metering mode");
this.Add(0x9208, "lightsource");
this.Add(0x9209, "flash");
this.Add(0x920a, "focallength");
this.Add(0x927c, "maker note");
this.Add(0x9286, "user comment");
this.Add(0x9290, "dtsubsec");
this.Add(0x9291, "dtorigss");
this.Add(0x9292, "dtdigss");
this.Add(0xa000, "fpxver");
this.Add(0xa001, "colorspace");
this.Add(0xa002, "pixxdim");
this.Add(0xa003, "pixydim");
this.Add(0xa004, "relatedwav");
this.Add(0xa005, "interop");
this.Add(0xa20b, "flashenergy");
this.Add(0xa20c, "spatialfr");
this.Add(0xa20e, "focalxres");
this.Add(0xa20f, "focalyres");
this.Add(0xa210, "focalresunit");
this.Add(0xa214, "subject loc");
this.Add(0xa215, "exposure index");
this.Add(0xa217, "sensing method");
this.Add(0xa300, "filesource");
this.Add(0xa301, "scenetype");
this.Add(0xa302, "cfapattern");
this.Add(0x0, "gps ver");
this.Add(0x1, "gps latituderef");
this.Add(0x2, "gps latitude");
this.Add(0x3, "gps longituderef");
this.Add(0x4, "gps longitude");
this.Add(0x5, "gps altituderef");
this.Add(0x6, "gps altitude");
this.Add(0x7, "gps gpstime");
this.Add(0x8, "gps gpssatellites");
this.Add(0x9, "gps gpsstatus");
this.Add(0xa, "gps gpsmeasuremode");
this.Add(0xb, "gps gpsdop");
this.Add(0xc, "gps speedref");
this.Add(0xd, "gps speed");
this.Add(0xe, "gps trackref");
this.Add(0xf, "gps track");
this.Add(0x10, "gps imgdirref");
this.Add(0x11, "gps imgdir");
this.Add(0x12, "gps mapdatum");
this.Add(0x13, "gps destlatref");
this.Add(0x14, "gps destlat");
this.Add(0x15, "gps destlongref");
this.Add(0x16, "gps destlong");
this.Add(0x17, "gps destbearref");
this.Add(0x18, "gps destbear");
this.Add(0x19, "gps destdistref");
this.Add(0x1a, "gps destdist");
}
}
/// <summary>
/// private class
/// </summary>
internal class Rational
{
private int n;
private int d;
public Rational(int n, int d)
{
this.n = n;
this.d = d;
simplify(ref this.n, ref this.d);
}
public Rational(uint n, uint d)
{
this.n = Convert.ToInt32(n);
this.d = Convert.ToInt32(d);
simplify(ref this.n, ref this.d);
}
public Rational()
{
this.n = this.d = 0;
}
public string ToString(string sp)
{
if (sp == null) sp = "/";
return n.ToString() + sp + d.ToString();
}
public double ToDouble()
{
if (d == 0)
return 0.0;
return Math.Round(Convert.ToDouble(n) / Convert.ToDouble(d), 2);
}
private void simplify(ref int a, ref int b)
{
if (a == 0 || b == 0)
return;
int gcd = euclid(a, b);
a /= gcd;
b /= gcd;
}
private int euclid(int a, int b)
{
if (b == 0)
return a;
else
return euclid(b, a % b);
}
}
}
using System.Collections.Generic;
using System.Collections;
using System.Text;
namespace EXIF
{
/// <summary>
/// summary description for translation.
/// </summary>
public class translation : Hashtable
{
/// <summary>
///
/// </summary>
public translation()
{
this.Add(0x8769, "exif ifd");
this.Add(0x8825, "gps ifd");
this.Add(0xfe, "new subfile type");
this.Add(0xff, "subfile type");
this.Add(0x100, "image width");
this.Add(0x101, "image height");
this.Add(0x102, "bits per sample");
this.Add(0x103, "compression");
this.Add(0x106, "photometric interp");
this.Add(0x107, "thresh holding");
this.Add(0x108, "cell width");
this.Add(0x109, "cell height");
this.Add(0x10a, "fill order");
this.Add(0x10d, "document name");
this.Add(0x10e, "image description");
this.Add(0x10f, "equip make");
this.Add(0x110, "equip model");
this.Add(0x111, "strip offsets");
this.Add(0x112, "orientation");
this.Add(0x115, "samples perpixel");
this.Add(0x116, "rows per strip");
this.Add(0x117, "strip bytes count");
this.Add(0x118, "min sample value");
this.Add(0x119, "max sample value");
this.Add(0x11a, "x resolution");
this.Add(0x11b, "y resolution");
this.Add(0x11c, "planar config");
this.Add(0x11d, "page name");
this.Add(0x11e, "x position");
this.Add(0x11f, "y position");
this.Add(0x120, "free offset");
this.Add(0x121, "free byte counts");
this.Add(0x122, "gray response unit");
this.Add(0x123, "gray response curve");
this.Add(0x124, "t4 option");
this.Add(0x125, "t6 option");
this.Add(0x128, "resolution unit");
this.Add(0x129, "page number");
this.Add(0x12d, "transfer funcition");
this.Add(0x131, "software used");
this.Add(0x132, "date time");
this.Add(0x13b, "artist");
this.Add(0x13c, "host computer");
this.Add(0x13d, "predictor");
this.Add(0x13e, "white point");
this.Add(0x13f, "primary chromaticities");
this.Add(0x140, "colormap");
this.Add(0x141, "halftone hints");
this.Add(0x142, "tile width");
this.Add(0x143, "tile length");
this.Add(0x144, "tile offset");
this.Add(0x145, "tile bytecounts");
this.Add(0x14c, "inkset");
this.Add(0x14d, "ink names");
this.Add(0x14e, "number of inks");
this.Add(0x150, "dot range");
this.Add(0x151, "target printer");
this.Add(0x152, "extra samples");
this.Add(0x153, "sample format");
this.Add(0x154, "s min sample value");
this.Add(0x155, "s max sample value");
this.Add(0x156, "transfer range");
this.Add(0x200, "jpeg proc");
this.Add(0x201, "jpeg interformat");
this.Add(0x202, "jpeg interlength");
this.Add(0x203, "jpeg restartinterval");
this.Add(0x205, "jpeg losslesspredictors");
this.Add(0x206, "jpeg pointtransforms");
this.Add(0x207, "jpeg qtables");
this.Add(0x208, "jpeg dctables");
this.Add(0x209, "jpeg actables");
this.Add(0x211, "ycbcr coefficients");
this.Add(0x212, "ycbcr subsampling");
this.Add(0x213, "ycbcr positioning");
this.Add(0x214, "ref black white");
this.Add(0x8773, "icc profile");
this.Add(0x301, "gamma");
this.Add(0x302, "icc profile descriptor");
this.Add(0x303, "srgb renderingintent");
this.Add(0x320, "image title");
this.Add(0x8298, "copyright");
this.Add(0x5001, "resolution x unit");
this.Add(0x5002, "resolution y unit");
this.Add(0x5003, "resolution x lengthunit");
this.Add(0x5004, "resolution y lengthunit");
this.Add(0x5005, "print flags");
this.Add(0x5006, "print flags version");
this.Add(0x5007, "print flags crop");
this.Add(0x5008, "print flags bleed width");
this.Add(0x5009, "print flags bleed width scale");
this.Add(0x500a, "halftone lpi");
this.Add(0x500b, "halftone lpiunit");
this.Add(0x500c, "halftone degree");
this.Add(0x500d, "halftone shape");
this.Add(0x500e, "halftone misc");
this.Add(0x500f, "halftone screen");
this.Add(0x5010, "jpeg quality");
this.Add(0x5011, "grid size");
this.Add(0x5012, "thumbnail format");
this.Add(0x5013, "thumbnail width");
this.Add(0x5014, "thumbnail height");
this.Add(0x5015, "thumbnail colordepth");
this.Add(0x5016, "thumbnail planes");
this.Add(0x5017, "thumbnail rawbytes");
this.Add(0x5018, "thumbnail size");
this.Add(0x5019, "thumbnail compressedsize");
this.Add(0x501a, "color transfer function");
this.Add(0x501b, "thumbnail data");
this.Add(0x5020, "thumbnail imagewidth");
this.Add(0x502, "thumbnail imageheight");
this.Add(0x5022, "thumbnail bitspersample");
this.Add(0x5023, "thumbnail compression");
this.Add(0x5024, "thumbnail photometricinterp");
this.Add(0x5025, "thumbnail imagedescription");
this.Add(0x5026, "thumbnail equipmake");
this.Add(0x5027, "thumbnail equipmodel");
this.Add(0x5028, "thumbnail stripoffsets");
this.Add(0x5029, "thumbnail orientation");
this.Add(0x502a, "thumbnail samplesperpixel");
this.Add(0x502b, "thumbnail rowsperstrip");
this.Add(0x502c, "thumbnail stripbytescount");
this.Add(0x502d, "thumbnail resolutionx");
this.Add(0x502e, "thumbnail resolutiony");
this.Add(0x502f, "thumbnail planarconfig");
this.Add(0x5030, "thumbnail resolutionunit");
this.Add(0x5031, "thumbnail transferfunction");
this.Add(0x5032, "thumbnail softwareused");
this.Add(0x5033, "thumbnail datetime");
this.Add(0x5034, "thumbnail artist");
this.Add(0x5035, "thumbnail whitepoint");
this.Add(0x5036, "thumbnail primarychromaticities");
this.Add(0x5037, "thumbnail ycbcrcoefficients");
this.Add(0x5038, "thumbnail ycbcrsubsampling");
this.Add(0x5039, "thumbnail ycbcrpositioning");
this.Add(0x503a, "thumbnail refblackwhite");
this.Add(0x503b, "thumbnail copyright");
this.Add(0x5090, "luminance table");
this.Add(0x5091, "chrominance table");
this.Add(0x5100, "frame delay");
this.Add(0x5101, "loop count");
this.Add(0x5110, "pixel unit");
this.Add(0x5111, "pixel perunit x");
this.Add(0x5112, "pixel perunit y");
this.Add(0x5113, "palette histogram");
this.Add(0x829a, "exposure time");
this.Add(0x829d, "f-number");
this.Add(0x8822, "exposure prog");
this.Add(0x8824, "spectral sense");
this.Add(0x8827, "iso speed");
this.Add(0x8828, "oecf");
this.Add(0x9000, "ver");
this.Add(0x9003, "dtorig");
this.Add(0x9004, "dtdigitized");
this.Add(0x9101, "compconfig");
this.Add(0x9102, "compbpp");
this.Add(0x9201, "shutter speed");
this.Add(0x9202, "aperture");
this.Add(0x9203, "brightness");
this.Add(0x9204, "exposure bias");
this.Add(0x9205, "maxaperture");
this.Add(0x9206, "subjectdist");
this.Add(0x9207, "metering mode");
this.Add(0x9208, "lightsource");
this.Add(0x9209, "flash");
this.Add(0x920a, "focallength");
this.Add(0x927c, "maker note");
this.Add(0x9286, "user comment");
this.Add(0x9290, "dtsubsec");
this.Add(0x9291, "dtorigss");
this.Add(0x9292, "dtdigss");
this.Add(0xa000, "fpxver");
this.Add(0xa001, "colorspace");
this.Add(0xa002, "pixxdim");
this.Add(0xa003, "pixydim");
this.Add(0xa004, "relatedwav");
this.Add(0xa005, "interop");
this.Add(0xa20b, "flashenergy");
this.Add(0xa20c, "spatialfr");
this.Add(0xa20e, "focalxres");
this.Add(0xa20f, "focalyres");
this.Add(0xa210, "focalresunit");
this.Add(0xa214, "subject loc");
this.Add(0xa215, "exposure index");
this.Add(0xa217, "sensing method");
this.Add(0xa300, "filesource");
this.Add(0xa301, "scenetype");
this.Add(0xa302, "cfapattern");
this.Add(0x0, "gps ver");
this.Add(0x1, "gps latituderef");
this.Add(0x2, "gps latitude");
this.Add(0x3, "gps longituderef");
this.Add(0x4, "gps longitude");
this.Add(0x5, "gps altituderef");
this.Add(0x6, "gps altitude");
this.Add(0x7, "gps gpstime");
this.Add(0x8, "gps gpssatellites");
this.Add(0x9, "gps gpsstatus");
this.Add(0xa, "gps gpsmeasuremode");
this.Add(0xb, "gps gpsdop");
this.Add(0xc, "gps speedref");
this.Add(0xd, "gps speed");
this.Add(0xe, "gps trackref");
this.Add(0xf, "gps track");
this.Add(0x10, "gps imgdirref");
this.Add(0x11, "gps imgdir");
this.Add(0x12, "gps mapdatum");
this.Add(0x13, "gps destlatref");
this.Add(0x14, "gps destlat");
this.Add(0x15, "gps destlongref");
this.Add(0x16, "gps destlong");
this.Add(0x17, "gps destbearref");
this.Add(0x18, "gps destbear");
this.Add(0x19, "gps destdistref");
this.Add(0x1a, "gps destdist");
}
}
/// <summary>
/// private class
/// </summary>
internal class Rational
{
private int n;
private int d;
public Rational(int n, int d)
{
this.n = n;
this.d = d;
simplify(ref this.n, ref this.d);
}
public Rational(uint n, uint d)
{
this.n = Convert.ToInt32(n);
this.d = Convert.ToInt32(d);
simplify(ref this.n, ref this.d);
}
public Rational()
{
this.n = this.d = 0;
}
public string ToString(string sp)
{
if (sp == null) sp = "/";
return n.ToString() + sp + d.ToString();
}
public double ToDouble()
{
if (d == 0)
return 0.0;
return Math.Round(Convert.ToDouble(n) / Convert.ToDouble(d), 2);
}
private void simplify(ref int a, ref int b)
{
if (a == 0 || b == 0)
return;
int gcd = euclid(a, b);
a /= gcd;
b /= gcd;
}
private int euclid(int a, int b)
{
if (b == 0)
return a;
else
return euclid(b, a % b);
}
}
}
Program.cs
Program.cs
static void Main(string[] args)
{
string strFile = "DSC_0170.JPG";
System.Drawing.Bitmap bmp = new Bitmap(strFile);
// create a new instance of Extractor
// class. Here "\n" is the newline
// that is used to seprate output of two tags.
// You can replace it with "," if you want
EXIF.EXIFextractor er = new EXIF.EXIFextractor(ref bmp, "\n");
// now dump all the tags on console
Console.Write(er);
// to set a tag you have to specify the tag id
// code 0x13B is for artist name
// since this number has ascii string with
// it pass the string you want to set
//er.setTag(0x13B, "http://www.goheer.com");
// dispose the image here or do whatever you want.
bmp.Dispose();
Console.ReadLine();
}
{
string strFile = "DSC_0170.JPG";
System.Drawing.Bitmap bmp = new Bitmap(strFile);
// create a new instance of Extractor
// class. Here "\n" is the newline
// that is used to seprate output of two tags.
// You can replace it with "," if you want
EXIF.EXIFextractor er = new EXIF.EXIFextractor(ref bmp, "\n");
// now dump all the tags on console
Console.Write(er);
// to set a tag you have to specify the tag id
// code 0x13B is for artist name
// since this number has ascii string with
// it pass the string you want to set
//er.setTag(0x13B, "http://www.goheer.com");
// dispose the image here or do whatever you want.
bmp.Dispose();
Console.ReadLine();
}
整理自: http://www.codeproject.com/KB/graphics/exifextractor.aspx
