C#代碼
DialogUtil?openFolder?=?new?DialogUtil(); ??if?(openFolder.ShowFolderDialog()?==?DialogResult.OK) ??{ ??????DirectoryInfo?source?=?new?DirectoryInfo(openFolder.Path); ??????foreach?(FileInfo?fi?in?source.GetFiles("*.jpg")) ??????{ ??????????ExifManager?exif?=?new?ExifManager(fi.FullName); ??????????exif.DateTimeOriginal?=?exif.DateTimeOriginal.AddHours(12); ??????????exif.DateTimeDigitized?=?exif.DateTimeDigitized.AddHours(12); ??????????exif.Save(fi.DirectoryName?+?"\\new\\"?+?fi.Name); ??????????exif.Dispose(); ??????} ??}??
DialogUtil openFolder = new DialogUtil();if (openFolder.ShowFolderDialog() == DialogResult.OK){DirectoryInfo source = new DirectoryInfo(openFolder.Path);foreach (FileInfo fi in source.GetFiles("*.jpg")){ExifManager exif = new ExifManager(fi.FullName);exif.DateTimeOriginal = exif.DateTimeOriginal.AddHours(12);exif.DateTimeDigitized = exif.DateTimeDigitized.AddHours(12);exif.Save(fi.DirectoryName + "\\new\\" + fi.Name);exif.Dispose();}}
C#代碼 ?
using?System; ??using?System.Collections.Generic; ??using?System.Text; ????namespace?ExifShow ??{ ??????????????????????????????????????public?class?ExifManager?:?IDisposable ??{ ????private?System.Drawing.Bitmap?_Image; ??private?System.Text.Encoding?_Encoding?=?System.Text.Encoding.UTF8; ??#region?Type?declarations ????????????????????public?enum?TagNames?:?int??{ ??ExifIFD?=?0x8769, ??GpsIFD?=?0x8825, ??NewSubfileType?=?0xFE, ??SubfileType?=?0xFF, ??ImageWidth?=?0x100, ??ImageHeight?=?0x101, ??BitsPerSample?=?0x102, ??Compression?=?0x103, ??PhotometricInterp?=?0x106, ??ThreshHolding?=?0x107, ??CellWidth?=?0x108, ??CellHeight?=?0x109, ??FillOrder?=?0x10A, ??DocumentName?=?0x10D, ??ImageDescription?=?0x10E, ??EquipMake?=?0x10F, ??EquipModel?=?0x110, ??StripOffsets?=?0x111, ??Orientation?=?0x112, ??SamplesPerPixel?=?0x115, ??RowsPerStrip?=?0x116, ??StripBytesCount?=?0x117, ??MinSampleValue?=?0x118, ??MaxSampleValue?=?0x119, ??XResolution?=?0x11A, ??YResolution?=?0x11B, ??PlanarConfig?=?0x11C, ??PageName?=?0x11D, ??XPosition?=?0x11E, ??YPosition?=?0x11F, ??FreeOffset?=?0x120, ??FreeByteCounts?=?0x121, ??GrayResponseUnit?=?0x122, ??GrayResponseCurve?=?0x123, ??T4Option?=?0x124, ??T6Option?=?0x125, ??ResolutionUnit?=?0x128, ??PageNumber?=?0x129, ??TransferFuncition?=?0x12D, ??SoftwareUsed?=?0x131, ??DateTime?=?0x132, ??Artist?=?0x13B, ??HostComputer?=?0x13C, ??Predictor?=?0x13D, ??WhitePoint?=?0x13E, ??PrimaryChromaticities?=?0x13F, ??ColorMap?=?0x140, ??HalftoneHints?=?0x141, ??TileWidth?=?0x142, ??TileLength?=?0x143, ??TileOffset?=?0x144, ??TileByteCounts?=?0x145, ??InkSet?=?0x14C, ??InkNames?=?0x14D, ??NumberOfInks?=?0x14E, ??DotRange?=?0x150, ??TargetPrinter?=?0x151, ??ExtraSamples?=?0x152, ??SampleFormat?=?0x153, ??SMinSampleValue?=?0x154, ??SMaxSampleValue?=?0x155, ??TransferRange?=?0x156, ??JPEGProc?=?0x200, ??JPEGInterFormat?=?0x201, ??JPEGInterLength?=?0x202, ??JPEGRestartInterval?=?0x203, ??JPEGLosslessPredictors?=?0x205, ??JPEGPointTransforms?=?0x206, ??JPEGQTables?=?0x207, ??JPEGDCTables?=?0x208, ??JPEGACTables?=?0x209, ??YCbCrCoefficients?=?0x211, ??YCbCrSubsampling?=?0x212, ??YCbCrPositioning?=?0x213, ??REFBlackWhite?=?0x214, ??ICCProfile?=?0x8773, ??Gamma?=?0x301, ??ICCProfileDescriptor?=?0x302, ??SRGBRenderingIntent?=?0x303, ??ImageTitle?=?0x320, ??Copyright?=?0x8298, ??ResolutionXUnit?=?0x5001, ??ResolutionYUnit?=?0x5002, ??ResolutionXLengthUnit?=?0x5003, ??ResolutionYLengthUnit?=?0x5004, ??PrintFlags?=?0x5005, ??PrintFlagsVersion?=?0x5006, ??PrintFlagsCrop?=?0x5007, ??PrintFlagsBleedWidth?=?0x5008, ??PrintFlagsBleedWidthScale?=?0x5009, ??HalftoneLPI?=?0x500A, ??HalftoneLPIUnit?=?0x500B, ??HalftoneDegree?=?0x500C, ??HalftoneShape?=?0x500D, ??HalftoneMisc?=?0x500E, ??HalftoneScreen?=?0x500F, ??JPEGQuality?=?0x5010, ??GridSize?=?0x5011, ??ThumbnailFormat?=?0x5012, ??ThumbnailWidth?=?0x5013, ??ThumbnailHeight?=?0x5014, ??ThumbnailColorDepth?=?0x5015, ??ThumbnailPlanes?=?0x5016, ??ThumbnailRawBytes?=?0x5017, ??ThumbnailSize?=?0x5018, ??ThumbnailCompressedSize?=?0x5019, ??ColorTransferFunction?=?0x501A, ??ThumbnailData?=?0x501B, ??ThumbnailImageWidth?=?0x5020, ??ThumbnailImageHeight?=?0x502, ??ThumbnailBitsPerSample?=?0x5022, ??ThumbnailCompression?=?0x5023, ??ThumbnailPhotometricInterp?=?0x5024, ??ThumbnailImageDescription?=?0x5025, ??ThumbnailEquipMake?=?0x5026, ??ThumbnailEquipModel?=?0x5027, ??ThumbnailStripOffsets?=?0x5028, ??ThumbnailOrientation?=?0x5029, ??ThumbnailSamplesPerPixel?=?0x502A, ??ThumbnailRowsPerStrip?=?0x502B, ??ThumbnailStripBytesCount?=?0x502C, ??ThumbnailResolutionX?=?0x502D, ??ThumbnailResolutionY?=?0x502E, ??ThumbnailPlanarConfig?=?0x502F, ??ThumbnailResolutionUnit?=?0x5030, ??ThumbnailTransferFunction?=?0x5031, ??ThumbnailSoftwareUsed?=?0x5032, ??ThumbnailDateTime?=?0x5033, ??ThumbnailArtist?=?0x5034, ??ThumbnailWhitePoint?=?0x5035, ??ThumbnailPrimaryChromaticities?=?0x5036, ??ThumbnailYCbCrCoefficients?=?0x5037, ??ThumbnailYCbCrSubsampling?=?0x5038, ??ThumbnailYCbCrPositioning?=?0x5039, ??ThumbnailRefBlackWhite?=?0x503A, ??ThumbnailCopyRight?=?0x503B, ??LuminanceTable?=?0x5090, ??ChrominanceTable?=?0x5091, ??FrameDelay?=?0x5100, ??LoopCount?=?0x5101, ??PixelUnit?=?0x5110, ??PixelPerUnitX?=?0x5111, ??PixelPerUnitY?=?0x5112, ??PaletteHistogram?=?0x5113, ??ExifExposureTime?=?0x829A, ??ExifFNumber?=?0x829D, ??ExifExposureProg?=?0x8822, ??ExifSpectralSense?=?0x8824, ??ExifISOSpeed?=?0x8827, ??ExifOECF?=?0x8828, ??ExifVer?=?0x9000, ??ExifDTOrig?=?0x9003, ??ExifDTDigitized?=?0x9004, ??ExifCompConfig?=?0x9101, ??ExifCompBPP?=?0x9102, ??ExifShutterSpeed?=?0x9201, ??ExifAperture?=?0x9202, ??ExifBrightness?=?0x9203, ??ExifExposureBias?=?0x9204, ??ExifMaxAperture?=?0x9205, ??ExifSubjectDist?=?0x9206, ??ExifMeteringMode?=?0x9207, ??ExifLightSource?=?0x9208, ??ExifFlash?=?0x9209, ??ExifFocalLength?=?0x920A, ??ExifMakerNote?=?0x927C, ??ExifUserComment?=?0x9286, ??ExifDTSubsec?=?0x9290, ??ExifDTOrigSS?=?0x9291, ??ExifDTDigSS?=?0x9292, ??ExifFPXVer?=?0xA000, ??ExifColorSpace?=?0xA001, ??ExifPixXDim?=?0xA002, ??ExifPixYDim?=?0xA003, ??ExifRelatedWav?=?0xA004, ??ExifInterop?=?0xA005, ??ExifFlashEnergy?=?0xA20B, ??ExifSpatialFR?=?0xA20C, ??ExifFocalXRes?=?0xA20E, ??ExifFocalYRes?=?0xA20F, ??ExifFocalResUnit?=?0xA210, ??ExifSubjectLoc?=?0xA214, ??ExifExposureIndex?=?0xA215, ??ExifSensingMethod?=?0xA217, ??ExifFileSource?=?0xA300, ??ExifSceneType?=?0xA301, ??ExifCfaPattern?=?0xA302, ??GpsVer?=?0x0, ??GpsLatitudeRef?=?0x1, ??GpsLatitude?=?0x2, ??GpsLongitudeRef?=?0x3, ??GpsLongitude?=?0x4, ??GpsAltitudeRef?=?0x5, ??GpsAltitude?=?0x6, ??GpsGpsTime?=?0x7, ??GpsGpsSatellites?=?0x8, ??GpsGpsStatus?=?0x9, ??GpsGpsMeasureMode?=?0xA, ??GpsGpsDop?=?0xB, ??GpsSpeedRef?=?0xC, ??GpsSpeed?=?0xD, ??GpsTrackRef?=?0xE, ??GpsTrack?=?0xF, ??GpsImgDirRef?=?0x10, ??GpsImgDir?=?0x11, ??GpsMapDatum?=?0x12, ??GpsDestLatRef?=?0x13, ??GpsDestLat?=?0x14, ??GpsDestLongRef?=?0x15, ??GpsDestLong?=?0x16, ??GpsDestBearRef?=?0x17, ??GpsDestBear?=?0x18, ??GpsDestDistRef?=?0x19, ??GpsDestDist?=?0x1A ??} ??????????????????????public?enum?Orientations ??{ ??TopLeft?=?1, ??TopRight?=?2, ??BottomRight?=?3, ??BottomLeft?=?4, ??LeftTop?=?5, ??RightTop?=?6, ??RightBottom?=?7, ??LftBottom?=?8 ??} ??????????????????????public?enum?ExposurePrograms ??{ ??Manual?=?1, ??Normal?=?2, ??AperturePriority?=?3, ??ShutterPriority?=?4, ??Creative?=?5, ??Action?=?6, ??Portrait?=?7, ??Landscape?=?8, ??} ??????????????????????public?enum?ExposureMeteringModes ??{ ??Unknown?=?0, ??Average?=?1, ??CenterWeightedAverage?=?2, ??Spot?=?3, ??MultiSpot?=?4, ??MultiSegment?=?5, ??Partial?=?6, ??Other?=?255 ??} ??????????????????????public?enum?FlashModes ??{ ??NotFired?=?0, ??Fired?=?1, ??FiredButNoStrobeReturned?=?5, ??FiredAndStrobeReturned?=?7, ??} ???????? ??????????????public?enum?LightSources ??{ ??Unknown?=?0, ??Daylight?=?1, ??Fluorescent?=?2, ??Tungsten?=?3, ??Flash?=?10, ??StandardLightA?=?17, ??StandardLightB?=?18, ??StandardLightC?=?19, ??D55?=?20, ??D65?=?21, ??D75?=?22, ??Other?=?255 ??} ????????????????????public?enum?ExifDataTypes?:?short??{ ??UnsignedByte?=?1, ??AsciiString?=?2, ??UnsignedShort?=?3, ??UnsignedLong?=?4, ??UnsignedRational?=?5, ??SignedByte?=?6, ??Undefined?=?7, ??SignedShort?=?8, ??SignedLong?=?9, ??SignedRational?=?10, ??SingleFloat?=?11, ??DoubleFloat?=?12 ??} ????????????????????public?struct?Rational ??{ ??public?Int32?Numerator; ??public?Int32?Denominator; ?????????????? ????????????public?override?string?ToString() ??{ ??return?ToString("/"); ??} ????public?string?ToString(string?Delimiter) ??{ ??return?Numerator?+?"/"?+?Denominator; ??} ??????????????????????public?double?ToDouble() ??{ ??return?(double)Numerator?/?Denominator; ??} ??} ??#endregion ?????????? ??????????public?ExifManager(System.Drawing.Bitmap?Bitmap) ??{ ??if?(Bitmap?==?null) ??throw?new?ArgumentNullException("Bitmap"); ??this._Image?=?Bitmap; ??} ????????????????????public?ExifManager(string?FileName) ??{ ??this._Image?=?(System.Drawing.Bitmap)System.Drawing.Bitmap.FromFile(FileName); ??} ?????????? ????????????public?System.Text.Encoding?Encoding ??{ ??get??{ ??return?this._Encoding; ??} ??set??{ ??if?(value?==?null) ??throw?new?ArgumentNullException(); ??this._Encoding?=?value; ??} ??} ????????????????????public?System.Drawing.Bitmap?GetBitmap() ??{ ??return?(System.Drawing.Bitmap)this._Image.Clone(); ??} ????????????????????public?override?string?ToString() ??{ ??System.Text.StringBuilder?SB?=?new?StringBuilder(); ????SB.Append("照片信息:"); ??SB.Append("\n\t尺寸:?"?+?this.Width?+?"?x?"?+?this.Height?+?"?px"); ??SB.Append("\n\t分辨率:?"?+?this.ResolutionX?+?"?x?"?+?this.ResolutionY?+?"?dpi"); ??SB.Append("\n\t方向:?"?+?Enum.GetName(typeof(Orientations),?this.Orientation)); ??SB.Append("\n\t標題:?"?+?this.Title); ??SB.Append("\n\t描述:?"?+?this.Description); ??SB.Append("\n\t作者:?"?+?this.Artist); ??SB.Append("\n\t版權(quán)信息:?"?+?this.Copyright); ??SB.Append("\n相機信息:"); ??SB.Append("\n\t制造商:?"?+?this.EquipmentMaker); ??SB.Append("\n\t型號:?"?+?this.EquipmentModel); ??SB.Append("\n\t編輯軟件:?"?+?this.Software); ??SB.Append("\n時間信息:"); ??SB.Append("\n\t最后編輯時間:?"?+?this.DateTimeLastModified.ToString()); ??SB.Append("\n\t原始拍照時間:?"?+?this.DateTimeOriginal.ToString()); ??SB.Append("\n\t數(shù)字化時間:?"?+?this.DateTimeDigitized.ToString()); ??SB.Append("\n拍攝信息:"); ??SB.Append("\n\t曝光時間:?"?+?this.ExposureTime.ToString("N4")?+?"?s"); ??SB.Append("\n\t曝光模式:?"?+?Enum.GetName(typeof(ExposurePrograms),?this.ExposureProgram)); ??SB.Append("\n\t測光模式:?"?+?Enum.GetName(typeof(ExposureMeteringModes),?this.ExposureMeteringMode)); ??SB.Append("\n\t光圈值:?F"?+?this.Aperture.ToString("N1")); ??SB.Append("\n\tISO感光度:?"?+?this.ISO); ??SB.Append("\n\t拍攝距離:?"?+?this.SubjectDistance.ToString("N2")?+?"?m"); ??SB.Append("\n\t焦距:?"?+?this.FocalLength?+?"?mm"); ??SB.Append("\n\t閃光燈:?"?+?Enum.GetName(typeof(FlashModes),?this.FlashMode)); ??SB.Append("\n\t白平衡(WB):?"?+?Enum.GetName(typeof(LightSources),?this.LightSource)); ??????return?SB.ToString(); ??} ??#region?Nicely?formatted?well-known?properties ?????? ??????????????public?string?EquipmentMaker ??{ ??get??{ ??return?this.GetPropertyString((int)TagNames.EquipMake); ??} ??} ?????? ??????????????public?string?EquipmentModel ??{ ??get??{ ??return?this.GetPropertyString((int)TagNames.EquipModel); ??} ??} ????????????????????public?string?Software ??{ ??get??{ ??return?this.GetPropertyString((int)TagNames.SoftwareUsed); ??} ??} ????????????????????public?Orientations?Orientation ??{ ??get??{ ??Int32?X?=?this.GetPropertyInt16((int)TagNames.Orientation); ????if?(!Enum.IsDefined(typeof(Orientations),?X)) ??return?Orientations.TopLeft; ??else??return?(Orientations)Enum.Parse(typeof(Orientations),?Enum.GetName(typeof(Orientations),?X)); ??} ??} ????????????????????public?DateTime?DateTimeLastModified ??{ ??get??{ ??try??{ ??return?DateTime.ParseExact(this.GetPropertyString((int)TagNames.DateTime),?@"yyyy\:MM\:dd?HH\:mm\:ss",?null); ??} ??catch??{ ??return?DateTime.MinValue; ??} ??} ??set??{ ??try??{ ??this.SetPropertyString((int)TagNames.DateTime,?value.ToString(@"yyyy\:MM\:dd?HH\:mm\:ss")); ??} ??catch??{?} ??} ??} ????????????????????public?DateTime?DateTimeOriginal ??{ ??get??{ ??try??{ ??return?DateTime.ParseExact(this.GetPropertyString((int)TagNames.ExifDTOrig),?@"yyyy\:MM\:dd?HH\:mm\:ss",?null); ??} ??catch??{ ??return?DateTime.MinValue; ??} ??} ??set??{ ??try??{ ??this.SetPropertyString((int)TagNames.ExifDTOrig,?value.ToString(@"yyyy\:MM\:dd?HH\:mm\:ss")); ??} ??catch??{?} ??} ??} ????????????????????public?DateTime?DateTimeDigitized ??{ ??get??{ ??try??{ ??return?DateTime.ParseExact(this.GetPropertyString((int)TagNames.ExifDTDigitized),?@"yyyy\:MM\:dd?HH\:mm\:ss",?null); ??} ??catch??{ ??return?DateTime.MinValue; ??} ??} ??set??{ ??try??{ ??this.SetPropertyString((int)TagNames.ExifDTDigitized,?value.ToString(@"yyyy\:MM\:dd?HH\:mm\:ss")); ??} ??catch??{?} ??} ??} ??????????????????????public?Int32?Width ??{ ??get?{?return?this._Image.Width;?} ??} ??????????????????????public?Int32?Height ??{ ??get?{?return?this._Image.Height;?} ??} ????????????????????public?double?ResolutionX ??{ ??get??{ ??double?R?=?this.GetPropertyRational((int)TagNames.XResolution).ToDouble(); ????if?(this.GetPropertyInt16((int)TagNames.ResolutionUnit)?==?3) ??{ ????return?R?*?2.54; ??} ??else??{ ?? ??return?R; ??} ??} ??} ????????????????????public?double?ResolutionY ??{ ??get??{ ??double?R?=?this.GetPropertyRational((int)TagNames.YResolution).ToDouble(); ????if?(this.GetPropertyInt16((int)TagNames.ResolutionUnit)?==?3) ??{ ????return?R?*?2.54; ??} ??else??{ ?? ??return?R; ??} ??} ??} ????????????????????public?string?Title ??{ ??get??{ ??return?this.GetPropertyString((int)TagNames.ImageTitle); ??} ??set??{ ??try??{ ??this.SetPropertyString((int)TagNames.ImageTitle,?value); ??} ??catch?{?} ??} ??} ?????? ??????????????public?string?UserComment ??{ ??get??{ ??return?this.GetPropertyString((int)TagNames.ExifUserComment); ??} ??set??{ ??try??{ ??this.SetPropertyString((int)TagNames.ExifUserComment,?value); ??} ??catch?{?} ??} ??} ????????????????????public?string?Artist ??{ ??get??{ ??return?this.GetPropertyString((int)TagNames.Artist); ??} ??set??{ ??try??{ ??this.SetPropertyString((int)TagNames.Artist,?value); ??} ??catch?{?} ??} ??} ????????????????????public?string?Description ??{ ??get??{ ??return?this.GetPropertyString((int)TagNames.ImageDescription); ??} ??set??{ ??try??{ ??this.SetPropertyString((int)TagNames.ImageDescription,?value); ??} ??catch?{?} ??} ??} ?????? ??????????????public?string?Copyright ??{ ??get??{ ??return?this.GetPropertyString((int)TagNames.Copyright); ??} ??set??{ ??try??{ ??this.SetPropertyString((int)TagNames.Copyright,?value); ??} ??catch?{?} ??} ??} ??????????????????????public?double?ExposureTimeAbs ??{ ??get??{ ??if?(this.IsPropertyDefined((int)TagNames.ExifExposureTime)) ????return?this.GetPropertyRational((int)TagNames.ExifExposureTime).ToDouble(); ??else??if?(this.IsPropertyDefined((int)TagNames.ExifShutterSpeed)) ????return?(1?/?Math.Pow(2,?this.GetPropertyRational((int)TagNames.ExifShutterSpeed).ToDouble())); ??else????return?0; ??} ??} ????public?Rational?ExposureTime ??{ ??get??{ ??if?(this.IsPropertyDefined((int)TagNames.ExifExposureTime)) ????return?this.GetPropertyRational((int)TagNames.ExifExposureTime); ??else??return?new?Rational(); ??} ??} ????????????????????public?double?Aperture ??{ ??get??{ ??if?(this.IsPropertyDefined((int)TagNames.ExifFNumber)) ??return?this.GetPropertyRational((int)TagNames.ExifFNumber).ToDouble(); ??else??if?(this.IsPropertyDefined((int)TagNames.ExifAperture)) ??return?Math.Pow(System.Math.Sqrt(2),?this.GetPropertyRational((int)TagNames.ExifAperture).ToDouble()); ??else??return?0; ??} ??} ???????????? ????????public?ExposurePrograms?ExposureProgram ??{ ??get??{ ??Int32?X?=?this.GetPropertyInt16((int)TagNames.ExifExposureProg); ????if?(Enum.IsDefined(typeof(ExposurePrograms),?X)) ??return?(ExposurePrograms)Enum.Parse(typeof(ExposurePrograms),?Enum.GetName(typeof(ExposurePrograms),?X)); ??else??return?ExposurePrograms.Normal; ??} ??} ????????????????????public?Int16?ISO ??{ ??get?{?return?this.GetPropertyInt16((int)TagNames.ExifISOSpeed);?} ??} ????????????????????public?double?SubjectDistance ??{ ??get?{?return?this.GetPropertyRational((int)TagNames.ExifSubjectDist).ToDouble();?} ??} ???????????? ????????public?ExposureMeteringModes?ExposureMeteringMode ??{ ??get??{ ??Int32?X?=?this.GetPropertyInt16((int)TagNames.ExifMeteringMode); ????if?(Enum.IsDefined(typeof(ExposureMeteringModes),?X)) ??return?(ExposureMeteringModes)Enum.Parse(typeof(ExposureMeteringModes),?Enum.GetName(typeof(ExposureMeteringModes),?X)); ??else??return?ExposureMeteringModes.Unknown; ??} ??} ????????????????????public?double?FocalLength ??{ ??get?{?return?this.GetPropertyRational((int)TagNames.ExifFocalLength).ToDouble();?} ??} ????????????????????public?FlashModes?FlashMode ??{ ??get??{ ??Int32?X?=?this.GetPropertyInt16((int)TagNames.ExifFlash); ????if?(Enum.IsDefined(typeof(FlashModes),?X)) ??return?(FlashModes)Enum.Parse(typeof(FlashModes),?Enum.GetName(typeof(FlashModes),?X)); ??else??return?FlashModes.NotFired; ??} ??} ???????????? ????????public?LightSources?LightSource ??{ ??get??{ ??Int32?X?=?this.GetPropertyInt16((int)TagNames.ExifLightSource); ????if?(Enum.IsDefined(typeof(LightSources),?X)) ??return?(LightSources)Enum.Parse(typeof(LightSources),?Enum.GetName(typeof(LightSources),?X)); ??else??return?LightSources.Unknown; ??} ??} ??#endregion ??#region?Support?methods?for?working?with?EXIF?properties ??????????????????????public?bool?IsPropertyDefined(Int32?PID) ??{ ??return?(Array.IndexOf(this._Image.PropertyIdList,?PID)?>?-1); ??} ????????????????????????public?Int32?GetPropertyInt32(Int32?PID) ??{ ??return?GetPropertyInt32(PID,?0); ??} ????public?Int32?GetPropertyInt32(Int32?PID,?Int32?DefaultValue) ??{ ??if?(IsPropertyDefined(PID)) ??return?GetInt32(this._Image.GetPropertyItem(PID).Value); ??else??return?DefaultValue; ??} ????????????????????????public?Int16?GetPropertyInt16(Int32?PID) ??{ ??return?GetPropertyInt16(PID,?0); ??} ????public?Int16?GetPropertyInt16(Int32?PID,?Int16?DefaultValue) ??{ ??if?(IsPropertyDefined(PID)) ??return?GetInt16(this._Image.GetPropertyItem(PID).Value); ??else??return?DefaultValue; ??} ????????????????????????public?string?GetPropertyString(Int32?PID) ??{ ??return?GetPropertyString(PID,?""); ??} ????public?string?GetPropertyString(Int32?PID,?string?DefaultValue) ??{ ??if?(IsPropertyDefined(PID)) ??return?GetString(this._Image.GetPropertyItem(PID).Value); ??else??return?DefaultValue; ??} ?????? ??????????????????public?byte[]?GetProperty(Int32?PID,?byte[]?DefaultValue) ??{ ??if?(IsPropertyDefined(PID)) ??return?this._Image.GetPropertyItem(PID).Value; ??else??return?DefaultValue; ??} ????public?byte[]?GetProperty(Int32?PID) ??{ ??return?GetProperty(PID,?null); ??} ?????? ????????????????public?Rational?GetPropertyRational(Int32?PID) ??{ ??if?(IsPropertyDefined(PID)) ??return?GetRational(this._Image.GetPropertyItem(PID).Value); ??else??{ ??Rational?R; ??R.Numerator?=?0; ??R.Denominator?=?1; ??return?R; ??} ??} ??????????????????????public?void?SetPropertyString(Int32?PID,?string?Value) ??{ ??byte[]?Data?=?this._Encoding.GetBytes(Value?+?'\0'); ??SetProperty(PID,?Data,?ExifDataTypes.AsciiString); ??} ??????????????????????public?void?SetPropertyInt16(Int32?PID,?Int16?Value) ??{ ??byte[]?Data?=?new?byte[2]; ??Data[0]?=?(byte)(Value?&?0xFF); ??Data[1]?=?(byte)((Value?&?0xFF00)?>>?8); ??SetProperty(PID,?Data,?ExifDataTypes.SignedShort); ??} ??????????????????????public?void?SetPropertyInt32(Int32?PID,?Int32?Value) ??{ ??byte[]?Data?=?new?byte[4]; ??for?(int?I?=?0;?I?<?4;?I++) ??{ ??Data[I]?=?(byte)(Value?&?0xFF); ??Value?>>=?8; ??} ??SetProperty(PID,?Data,?ExifDataTypes.SignedLong); ??} ?????? ??????????????????public?void?SetProperty(Int32?PID,?byte[]?Data,?ExifDataTypes?Type) ??{ ??System.Drawing.Imaging.PropertyItem?P?=?this._Image.PropertyItems[0]; ??P.Id?=?PID; ??P.Value?=?Data; ??P.Type?=?(Int16)Type; ??P.Len?=?Data.Length; ??this._Image.SetPropertyItem(P); ??} ?????? ??????????????????private?Int32?GetInt32(byte[]?B) ??{ ??if?(B.Length?<?4) ??throw?new?ArgumentException("Data?too?short?(4?bytes?expected)",?"B"); ????return?B[3]?<<?24?|?B[2]?<<?16?|?B[1]?<<?8?|?B[0]; ??} ?????? ??????????????????private?Int16?GetInt16(byte[]?B) ??{ ??if?(B.Length?<?2) ??throw?new?ArgumentException("Data?too?short?(2?bytes?expected)",?"B"); ????return?(short)(B[1]?<<?8?|?B[0]); ??} ?????? ??????????????????private?string?GetString(byte[]?B) ??{ ??string?R?=?this._Encoding.GetString(B); ??if?(R.EndsWith("\0")) ??R?=?R.Substring(0,?R.Length?-?1); ??return?R; ??} ?????? ??????????????????private?Rational?GetRational(byte[]?B) ??{ ??Rational?R?=?new?Rational(); ??byte[]?N?=?new?byte[4]; ??byte[]?D?=?new?byte[4]; ??Array.Copy(B,?0,?N,?0,?4); ??Array.Copy(B,?4,?D,?0,?4); ??R.Denominator?=?this.GetInt32(D); ??R.Numerator?=?this.GetInt32(N); ??return?R; ??} ????public?void?Save(string?fileName){ ??????this._Image.Save(fileName); ??} ?#endregion ??#region?"?IDisposable?implementation?" ??????????????????public?void?Dispose() ??{ ??this._Image.Dispose(); ??} ??#endregion ????} ??}??
using System;
using System.Collections.Generic;
using System.Text;namespace ExifShow
{
//
// Utility class for working with EXIF data in images. Provides abstraction
// for most common data and generic utilities for work with all other.
//
//
// Copyright (c) Michal A. Valá?ek - Altair Communications, 2003-2005
// Copmany: http://software.altaircom.net, E-mail: support@altaircom.net
// Private: http://www.rider.cz, E-mail: rider@rider.cz
// This is free software licensed under GNU Lesser General Public License
//
//
// [altair] 10.09.2003 Created
// [altair] 12.06.2004 Added capability to write EXIF data
// [altair] 11.07.2004 Added option to change encoding
// [altair] 04.09.2005 Changed source of Width and Height properties from EXIF to image
// [altair] 05.09.2005 Code clean-up and minor changes
// [marco.ridoni@virgilio.it] 02-11-2006 C# translation
//
public class ExifManager : IDisposable
{private System.Drawing.Bitmap _Image;
private System.Text.Encoding _Encoding = System.Text.Encoding.UTF8;#region Type declarations//
// Contains possible values of EXIF tag names (ID)
//
// See GdiPlusImaging.h
//
// [altair] 10.09.2003 Created
// public enum TagNames : int
{
ExifIFD = 0x8769,
GpsIFD = 0x8825,
NewSubfileType = 0xFE,
SubfileType = 0xFF,
ImageWidth = 0x100,
ImageHeight = 0x101,
BitsPerSample = 0x102,
Compression = 0x103,
PhotometricInterp = 0x106,
ThreshHolding = 0x107,
CellWidth = 0x108,
CellHeight = 0x109,
FillOrder = 0x10A,
DocumentName = 0x10D,
ImageDescription = 0x10E,
EquipMake = 0x10F,
EquipModel = 0x110,
StripOffsets = 0x111,
Orientation = 0x112,
SamplesPerPixel = 0x115,
RowsPerStrip = 0x116,
StripBytesCount = 0x117,
MinSampleValue = 0x118,
MaxSampleValue = 0x119,
XResolution = 0x11A,
YResolution = 0x11B,
PlanarConfig = 0x11C,
PageName = 0x11D,
XPosition = 0x11E,
YPosition = 0x11F,
FreeOffset = 0x120,
FreeByteCounts = 0x121,
GrayResponseUnit = 0x122,
GrayResponseCurve = 0x123,
T4Option = 0x124,
T6Option = 0x125,
ResolutionUnit = 0x128,
PageNumber = 0x129,
TransferFuncition = 0x12D,
SoftwareUsed = 0x131,
DateTime = 0x132,
Artist = 0x13B,
HostComputer = 0x13C,
Predictor = 0x13D,
WhitePoint = 0x13E,
PrimaryChromaticities = 0x13F,
ColorMap = 0x140,
HalftoneHints = 0x141,
TileWidth = 0x142,
TileLength = 0x143,
TileOffset = 0x144,
TileByteCounts = 0x145,
InkSet = 0x14C,
InkNames = 0x14D,
NumberOfInks = 0x14E,
DotRange = 0x150,
TargetPrinter = 0x151,
ExtraSamples = 0x152,
SampleFormat = 0x153,
SMinSampleValue = 0x154,
SMaxSampleValue = 0x155,
TransferRange = 0x156,
JPEGProc = 0x200,
JPEGInterFormat = 0x201,
JPEGInterLength = 0x202,
JPEGRestartInterval = 0x203,
JPEGLosslessPredictors = 0x205,
JPEGPointTransforms = 0x206,
JPEGQTables = 0x207,
JPEGDCTables = 0x208,
JPEGACTables = 0x209,
YCbCrCoefficients = 0x211,
YCbCrSubsampling = 0x212,
YCbCrPositioning = 0x213,
REFBlackWhite = 0x214,
ICCProfile = 0x8773,
Gamma = 0x301,
ICCProfileDescriptor = 0x302,
SRGBRenderingIntent = 0x303,
ImageTitle = 0x320,
Copyright = 0x8298,
ResolutionXUnit = 0x5001,
ResolutionYUnit = 0x5002,
ResolutionXLengthUnit = 0x5003,
ResolutionYLengthUnit = 0x5004,
PrintFlags = 0x5005,
PrintFlagsVersion = 0x5006,
PrintFlagsCrop = 0x5007,
PrintFlagsBleedWidth = 0x5008,
PrintFlagsBleedWidthScale = 0x5009,
HalftoneLPI = 0x500A,
HalftoneLPIUnit = 0x500B,
HalftoneDegree = 0x500C,
HalftoneShape = 0x500D,
HalftoneMisc = 0x500E,
HalftoneScreen = 0x500F,
JPEGQuality = 0x5010,
GridSize = 0x5011,
ThumbnailFormat = 0x5012,
ThumbnailWidth = 0x5013,
ThumbnailHeight = 0x5014,
ThumbnailColorDepth = 0x5015,
ThumbnailPlanes = 0x5016,
ThumbnailRawBytes = 0x5017,
ThumbnailSize = 0x5018,
ThumbnailCompressedSize = 0x5019,
ColorTransferFunction = 0x501A,
ThumbnailData = 0x501B,
ThumbnailImageWidth = 0x5020,
ThumbnailImageHeight = 0x502,
ThumbnailBitsPerSample = 0x5022,
ThumbnailCompression = 0x5023,
ThumbnailPhotometricInterp = 0x5024,
ThumbnailImageDescription = 0x5025,
ThumbnailEquipMake = 0x5026,
ThumbnailEquipModel = 0x5027,
ThumbnailStripOffsets = 0x5028,
ThumbnailOrientation = 0x5029,
ThumbnailSamplesPerPixel = 0x502A,
ThumbnailRowsPerStrip = 0x502B,
ThumbnailStripBytesCount = 0x502C,
ThumbnailResolutionX = 0x502D,
ThumbnailResolutionY = 0x502E,
ThumbnailPlanarConfig = 0x502F,
ThumbnailResolutionUnit = 0x5030,
ThumbnailTransferFunction = 0x5031,
ThumbnailSoftwareUsed = 0x5032,
ThumbnailDateTime = 0x5033,
ThumbnailArtist = 0x5034,
ThumbnailWhitePoint = 0x5035,
ThumbnailPrimaryChromaticities = 0x5036,
ThumbnailYCbCrCoefficients = 0x5037,
ThumbnailYCbCrSubsampling = 0x5038,
ThumbnailYCbCrPositioning = 0x5039,
ThumbnailRefBlackWhite = 0x503A,
ThumbnailCopyRight = 0x503B,
LuminanceTable = 0x5090,
ChrominanceTable = 0x5091,
FrameDelay = 0x5100,
LoopCount = 0x5101,
PixelUnit = 0x5110,
PixelPerUnitX = 0x5111,
PixelPerUnitY = 0x5112,
PaletteHistogram = 0x5113,
ExifExposureTime = 0x829A,
ExifFNumber = 0x829D,
ExifExposureProg = 0x8822,
ExifSpectralSense = 0x8824,
ExifISOSpeed = 0x8827,
ExifOECF = 0x8828,
ExifVer = 0x9000,
ExifDTOrig = 0x9003,
ExifDTDigitized = 0x9004,
ExifCompConfig = 0x9101,
ExifCompBPP = 0x9102,
ExifShutterSpeed = 0x9201,
ExifAperture = 0x9202,
ExifBrightness = 0x9203,
ExifExposureBias = 0x9204,
ExifMaxAperture = 0x9205,
ExifSubjectDist = 0x9206,
ExifMeteringMode = 0x9207,
ExifLightSource = 0x9208,
ExifFlash = 0x9209,
ExifFocalLength = 0x920A,
ExifMakerNote = 0x927C,
ExifUserComment = 0x9286,
ExifDTSubsec = 0x9290,
ExifDTOrigSS = 0x9291,
ExifDTDigSS = 0x9292,
ExifFPXVer = 0xA000,
ExifColorSpace = 0xA001,
ExifPixXDim = 0xA002,
ExifPixYDim = 0xA003,
ExifRelatedWav = 0xA004,
ExifInterop = 0xA005,
ExifFlashEnergy = 0xA20B,
ExifSpatialFR = 0xA20C,
ExifFocalXRes = 0xA20E,
ExifFocalYRes = 0xA20F,
ExifFocalResUnit = 0xA210,
ExifSubjectLoc = 0xA214,
ExifExposureIndex = 0xA215,
ExifSensingMethod = 0xA217,
ExifFileSource = 0xA300,
ExifSceneType = 0xA301,
ExifCfaPattern = 0xA302,
GpsVer = 0x0,
GpsLatitudeRef = 0x1,
GpsLatitude = 0x2,
GpsLongitudeRef = 0x3,
GpsLongitude = 0x4,
GpsAltitudeRef = 0x5,
GpsAltitude = 0x6,
GpsGpsTime = 0x7,
GpsGpsSatellites = 0x8,
GpsGpsStatus = 0x9,
GpsGpsMeasureMode = 0xA,
GpsGpsDop = 0xB,
GpsSpeedRef = 0xC,
GpsSpeed = 0xD,
GpsTrackRef = 0xE,
GpsTrack = 0xF,
GpsImgDirRef = 0x10,
GpsImgDir = 0x11,
GpsMapDatum = 0x12,
GpsDestLatRef = 0x13,
GpsDestLat = 0x14,
GpsDestLongRef = 0x15,
GpsDestLong = 0x16,
GpsDestBearRef = 0x17,
GpsDestBear = 0x18,
GpsDestDistRef = 0x19,
GpsDestDist = 0x1A
}//
// Real position of 0th row and column of picture
//
//
//
// [altair] 10.09.2003 Created
// public enum Orientations
{
TopLeft = 1,
TopRight = 2,
BottomRight = 3,
BottomLeft = 4,
LeftTop = 5,
RightTop = 6,
RightBottom = 7,
LftBottom = 8
}//
// Exposure programs
//
//
//
// [altair] 10.09.2003 Created
// public enum ExposurePrograms
{
Manual = 1,
Normal = 2,
AperturePriority = 3,
ShutterPriority = 4,
Creative = 5,
Action = 6,
Portrait = 7,
Landscape = 8,
}//
// Exposure metering modes
//
//
//
// [altair] 10.09.2003 Created
// public enum ExposureMeteringModes
{
Unknown = 0,
Average = 1,
CenterWeightedAverage = 2,
Spot = 3,
MultiSpot = 4,
MultiSegment = 5,
Partial = 6,
Other = 255
}//
// Flash activity modes
//
//
//
// [altair] 10.09.2003 Created
// public enum FlashModes
{
NotFired = 0,
Fired = 1,
FiredButNoStrobeReturned = 5,
FiredAndStrobeReturned = 7,
}//
// Possible light sources (white balance)
//
//
//
// [altair] 10.09.2003 Created
// public enum LightSources
{
Unknown = 0,
Daylight = 1,
Fluorescent = 2,
Tungsten = 3,
Flash = 10,
StandardLightA = 17,
StandardLightB = 18,
StandardLightC = 19,
D55 = 20,
D65 = 21,
D75 = 22,
Other = 255
}//
// EXIF data types
//
//
//
// [altair] 12.6.2004 Created
//
public enum ExifDataTypes : short
{
UnsignedByte = 1,
AsciiString = 2,
UnsignedShort = 3,
UnsignedLong = 4,
UnsignedRational = 5,
SignedByte = 6,
Undefined = 7,
SignedShort = 8,
SignedLong = 9,
SignedRational = 10,
SingleFloat = 11,
DoubleFloat = 12
}//
// Represents rational which is type of some Exif properties
//
//
//
// [altair] 10.09.2003 Created
//
public struct Rational
{
public Int32 Numerator;
public Int32 Denominator;//
// Converts rational to string representation
//
// Optional, default "/". String to be used as delimiter of components.
// String representation of the rational.
//
//
// [altair] 10.09.2003 Created
// public override string ToString()
{
return ToString("/");
}public string ToString(string Delimiter)
{
return Numerator + "/" + Denominator;
}//
// Converts rational to double precision real number
//
// The rational as double precision real number.
//
//
// [altair] 10.09.2003 Created
// public double ToDouble()
{
return (double)Numerator / Denominator;
}
}#endregion//
// Initializes new instance of this class.
//
// Bitmap to read exif information from
//
//
// [altair] 10.09.2003 Created
//
public ExifManager(System.Drawing.Bitmap Bitmap)
{
if (Bitmap == null)
throw new ArgumentNullException("Bitmap");
this._Image = Bitmap;
}//
// Initializes new instance of this class.
//
// Name of file to be loaded
//
//
// [altair] 13.06.2004 Created
//
public ExifManager(string FileName)
{
this._Image = (System.Drawing.Bitmap)System.Drawing.Bitmap.FromFile(FileName);
}//
// Get or set encoding used for string metadata
//
// Encoding used for string metadata
// Default encoding is UTF-8
//
// [altair] 11.07.2004 Created
// [altair] 05.09.2005 Changed from shared to instance member
//
public System.Text.Encoding Encoding
{
get
{
return this._Encoding;
}
set
{
if (value == null)
throw new ArgumentNullException();
this._Encoding = value;
}
}//
// Returns copy of bitmap this instance is working on
//
//
//
//
// [altair] 13.06.2004 Created
//
public System.Drawing.Bitmap GetBitmap()
{
return (System.Drawing.Bitmap)this._Image.Clone();
}//
// Returns all available data in formatted string form
//
//
//
//
// [altair] 10.09.2003 Created
//
public override string ToString()
{
System.Text.StringBuilder SB = new StringBuilder();SB.Append("照片信息:");
SB.Append("\n\t尺寸: " + this.Width + " x " + this.Height + " px");
SB.Append("\n\t分辨率: " + this.ResolutionX + " x " + this.ResolutionY + " dpi");
SB.Append("\n\t方向: " + Enum.GetName(typeof(Orientations), this.Orientation));
SB.Append("\n\t標題: " + this.Title);
SB.Append("\n\t描述: " + this.Description);
SB.Append("\n\t作者: " + this.Artist);
SB.Append("\n\t版權(quán)信息: " + this.Copyright);
SB.Append("\n相機信息:");
SB.Append("\n\t制造商: " + this.EquipmentMaker);
SB.Append("\n\t型號: " + this.EquipmentModel);
SB.Append("\n\t編輯軟件: " + this.Software);
SB.Append("\n時間信息:");
SB.Append("\n\t最后編輯時間: " + this.DateTimeLastModified.ToString());
SB.Append("\n\t原始拍照時間: " + this.DateTimeOriginal.ToString());
SB.Append("\n\t數(shù)字化時間: " + this.DateTimeDigitized.ToString());
SB.Append("\n拍攝信息:");
SB.Append("\n\t曝光時間: " + this.ExposureTime.ToString("N4") + " s");
SB.Append("\n\t曝光模式: " + Enum.GetName(typeof(ExposurePrograms), this.ExposureProgram));
SB.Append("\n\t測光模式: " + Enum.GetName(typeof(ExposureMeteringModes), this.ExposureMeteringMode));
SB.Append("\n\t光圈值: F" + this.Aperture.ToString("N1"));
SB.Append("\n\tISO感光度: " + this.ISO);
SB.Append("\n\t拍攝距離: " + this.SubjectDistance.ToString("N2") + " m");
SB.Append("\n\t焦距: " + this.FocalLength + " mm");
SB.Append("\n\t閃光燈: " + Enum.GetName(typeof(FlashModes), this.FlashMode));
SB.Append("\n\t白平衡(WB): " + Enum.GetName(typeof(LightSources), this.LightSource));
//SB.Replace("\n", vbCrLf);
//SB.Replace("\t", vbTab);
return SB.ToString();
}#region Nicely formatted well-known properties//
// Brand of equipment (EXIF EquipMake)
//
//
//
//
// [altair] 10.09.2003 Created
//
public string EquipmentMaker
{
get
{
return this.GetPropertyString((int)TagNames.EquipMake);
}
}//
// Model of equipment (EXIF EquipModel)
//
//
//
//
// [altair] 10.09.2003 Created
//
public string EquipmentModel
{
get
{
return this.GetPropertyString((int)TagNames.EquipModel);
}
}//
// Software used for processing (EXIF Software)
//
//
//
//
// [altair] 10.09.2003 Created
//
public string Software
{
get
{
return this.GetPropertyString((int)TagNames.SoftwareUsed);
}
}//
// Orientation of image (position of row 0, column 0) (EXIF Orientation)
//
//
//
//
// [altair] 10.09.2003 Created
//
public Orientations Orientation
{
get
{
Int32 X = this.GetPropertyInt16((int)TagNames.Orientation);if (!Enum.IsDefined(typeof(Orientations), X))
return Orientations.TopLeft;
else
return (Orientations)Enum.Parse(typeof(Orientations), Enum.GetName(typeof(Orientations), X));
}
}//
// Time when image was last modified (EXIF DateTime).
//
//
//
//
// [altair] 10.09.2003 Created
//
public DateTime DateTimeLastModified
{
get
{
try
{
return DateTime.ParseExact(this.GetPropertyString((int)TagNames.DateTime), @"yyyy\:MM\:dd HH\:mm\:ss", null);
}
catch
{
return DateTime.MinValue;
}
}
set
{
try
{
this.SetPropertyString((int)TagNames.DateTime, value.ToString(@"yyyy\:MM\:dd HH\:mm\:ss"));
}
catch
{ }
}
}//
// Time when image was taken (EXIF DateTimeOriginal).
//
//
//
//
// [altair] 10.09.2003 Created
//
public DateTime DateTimeOriginal
{
get
{
try
{
return DateTime.ParseExact(this.GetPropertyString((int)TagNames.ExifDTOrig), @"yyyy\:MM\:dd HH\:mm\:ss", null);
}
catch
{
return DateTime.MinValue;
}
}
set
{
try
{
this.SetPropertyString((int)TagNames.ExifDTOrig, value.ToString(@"yyyy\:MM\:dd HH\:mm\:ss"));
}
catch
{ }
}
}//
// Time when image was digitized (EXIF DateTimeDigitized).
//
//
//
//
// [altair] 10.09.2003 Created
//
public DateTime DateTimeDigitized
{
get
{
try
{
return DateTime.ParseExact(this.GetPropertyString((int)TagNames.ExifDTDigitized), @"yyyy\:MM\:dd HH\:mm\:ss", null);
}
catch
{
return DateTime.MinValue;
}
}
set
{
try
{
this.SetPropertyString((int)TagNames.ExifDTDigitized, value.ToString(@"yyyy\:MM\:dd HH\:mm\:ss"));
}
catch
{ }
}
}//
// Image width
//
//
//
//
// [altair] 10.09.2003 Created
// [altair] 04.09.2005 Changed output to Int32, load from image instead of EXIF
//
public Int32 Width
{
get { return this._Image.Width; }
}//
// Image height
//
//
//
//
// [altair] 10.09.2003 Created
// [altair] 04.09.2005 Changed output to Int32, load from image instead of EXIF
//
public Int32 Height
{
get { return this._Image.Height; }
}//
// X resolution in dpi (EXIF XResolution/ResolutionUnit)
//
//
//
//
// [altair] 10.09.2003 Created
//
public double ResolutionX
{
get
{
double R = this.GetPropertyRational((int)TagNames.XResolution).ToDouble();if (this.GetPropertyInt16((int)TagNames.ResolutionUnit) == 3)
{
// -- resolution is in points/cm
return R * 2.54;
}
else
{
// -- resolution is in points/inch
return R;
}
}
}//
// Y resolution in dpi (EXIF YResolution/ResolutionUnit)
//
//
//
//
// [altair] 10.09.2003 Created
//
public double ResolutionY
{
get
{
double R = this.GetPropertyRational((int)TagNames.YResolution).ToDouble();if (this.GetPropertyInt16((int)TagNames.ResolutionUnit) == 3)
{
// -- resolution is in points/cm
return R * 2.54;
}
else
{
// -- resolution is in points/inch
return R;
}
}
}//
// Image title (EXIF ImageTitle)
//
//
//
//
// [altair] 10.09.2003 Created
//
public string Title
{
get
{
return this.GetPropertyString((int)TagNames.ImageTitle);
}
set
{
try
{
this.SetPropertyString((int)TagNames.ImageTitle, value);
}
catch { }
}
}//
// User comment (EXIF UserComment)
//
//
//
//
// [altair] 13.06.2004 Created
//
public string UserComment
{
get
{
return this.GetPropertyString((int)TagNames.ExifUserComment);
}
set
{
try
{
this.SetPropertyString((int)TagNames.ExifUserComment, value);
}
catch { }
}
}//
// Artist name (EXIF Artist)
//
//
//
//
// [altair] 13.06.2004 Created
//
public string Artist
{
get
{
return this.GetPropertyString((int)TagNames.Artist);
}
set
{
try
{
this.SetPropertyString((int)TagNames.Artist, value);
}
catch { }
}
}//
// Image description (EXIF ImageDescription)
//
//
//
//
// [altair] 10.09.2003 Created
//
public string Description
{
get
{
return this.GetPropertyString((int)TagNames.ImageDescription);
}
set
{
try
{
this.SetPropertyString((int)TagNames.ImageDescription, value);
}
catch { }
}
}//
// Image copyright (EXIF Copyright)
//
//
//
//
// [altair] 10.09.2003 Created
//
public string Copyright
{
get
{
return this.GetPropertyString((int)TagNames.Copyright);
}
set
{
try
{
this.SetPropertyString((int)TagNames.Copyright, value);
}
catch { }
}
}//
// Exposure time in seconds (EXIF ExifExposureTime/ExifShutterSpeed)
//
//
//
//
// [altair] 10.09.2003 Created
//
public double ExposureTimeAbs
{
get
{
if (this.IsPropertyDefined((int)TagNames.ExifExposureTime))
// -- Exposure time is explicitly specified
return this.GetPropertyRational((int)TagNames.ExifExposureTime).ToDouble();
else
if (this.IsPropertyDefined((int)TagNames.ExifShutterSpeed))
//'-- Compute exposure time from shutter spee
return (1 / Math.Pow(2, this.GetPropertyRational((int)TagNames.ExifShutterSpeed).ToDouble()));
else
// -- Can't figure out
return 0;
}
}public Rational ExposureTime
{
get
{
if (this.IsPropertyDefined((int)TagNames.ExifExposureTime))
// -- Exposure time is explicitly specified
return this.GetPropertyRational((int)TagNames.ExifExposureTime);
else
return new Rational();
}
}//
// Aperture value as F number (EXIF ExifFNumber/ExifApertureValue)
//
//
//
//
// [altair] 10.09.2003 Created
//
public double Aperture
{
get
{
if (this.IsPropertyDefined((int)TagNames.ExifFNumber))
return this.GetPropertyRational((int)TagNames.ExifFNumber).ToDouble();
else
if (this.IsPropertyDefined((int)TagNames.ExifAperture))
return Math.Pow(System.Math.Sqrt(2), this.GetPropertyRational((int)TagNames.ExifAperture).ToDouble());
else
return 0;
}
}//
// Exposure program used (EXIF ExifExposureProg)
//
//
// If not specified, returns Normal (2)
//
// [altair] 10.09.2003 Created
//
public ExposurePrograms ExposureProgram
{
get
{
Int32 X = this.GetPropertyInt16((int)TagNames.ExifExposureProg);if (Enum.IsDefined(typeof(ExposurePrograms), X))
return (ExposurePrograms)Enum.Parse(typeof(ExposurePrograms), Enum.GetName(typeof(ExposurePrograms), X));
else
return ExposurePrograms.Normal;
}
}//
// ISO sensitivity
//
//
//
//
// [altair] 10.09.2003 Created
//
public Int16 ISO
{
get { return this.GetPropertyInt16((int)TagNames.ExifISOSpeed); }
}//
// Subject distance in meters (EXIF SubjectDistance)
//
//
//
//
// [altair] 10.09.2003 Created
//
public double SubjectDistance
{
get { return this.GetPropertyRational((int)TagNames.ExifSubjectDist).ToDouble(); }
}//
// Exposure method metering mode used (EXIF MeteringMode)
//
//
// If not specified, returns Unknown (0)
//
// [altair] 10.09.2003 Created
//
public ExposureMeteringModes ExposureMeteringMode
{
get
{
Int32 X = this.GetPropertyInt16((int)TagNames.ExifMeteringMode);if (Enum.IsDefined(typeof(ExposureMeteringModes), X))
return (ExposureMeteringModes)Enum.Parse(typeof(ExposureMeteringModes), Enum.GetName(typeof(ExposureMeteringModes), X));
else
return ExposureMeteringModes.Unknown;
}
}//
// Focal length of lenses in mm (EXIF FocalLength)
//
//
//
//
// [altair] 10.09.2003 Created
//
public double FocalLength
{
get { return this.GetPropertyRational((int)TagNames.ExifFocalLength).ToDouble(); }
}//
// Flash mode (EXIF Flash)
//
//
// If not present, value NotFired (0) is returned
//
// [altair] 10.09.2003 Created
//
public FlashModes FlashMode
{
get
{
Int32 X = this.GetPropertyInt16((int)TagNames.ExifFlash);if (Enum.IsDefined(typeof(FlashModes), X))
return (FlashModes)Enum.Parse(typeof(FlashModes), Enum.GetName(typeof(FlashModes), X));
else
return FlashModes.NotFired;
}
}//
// Light source / white balance (EXIF LightSource)
//
//
// If not specified, returns Unknown (0).
//
// [altair] 10.09.2003 Created
//
public LightSources LightSource
{
get
{
Int32 X = this.GetPropertyInt16((int)TagNames.ExifLightSource);if (Enum.IsDefined(typeof(LightSources), X))
return (LightSources)Enum.Parse(typeof(LightSources), Enum.GetName(typeof(LightSources), X));
else
return LightSources.Unknown;
}
}#endregion#region Support methods for working with EXIF properties//
// Checks if current image has specified certain property
//
//
// True if image has specified property, False otherwise.
//
//
// [altair] 10.09.2003 Created
//
public bool IsPropertyDefined(Int32 PID)
{
return (Array.IndexOf(this._Image.PropertyIdList, PID) > -1);
}//
// Gets specified Int32 property
//
// Property ID
// Optional, default 0. Default value returned if property is not present.
// Value of property or DefaultValue if property is not present.
//
//
// [altair] 10.09.2003 Created
//
public Int32 GetPropertyInt32(Int32 PID)
{
return GetPropertyInt32(PID, 0);
}public Int32 GetPropertyInt32(Int32 PID, Int32 DefaultValue)
{
if (IsPropertyDefined(PID))
return GetInt32(this._Image.GetPropertyItem(PID).Value);
else
return DefaultValue;
}//
// Gets specified Int16 property
//
// Property ID
// Optional, default 0. Default value returned if property is not present.
// Value of property or DefaultValue if property is not present.
//
//
// [altair] 10.09.2003 Created
//
public Int16 GetPropertyInt16(Int32 PID)
{
return GetPropertyInt16(PID, 0);
}public Int16 GetPropertyInt16(Int32 PID, Int16 DefaultValue)
{
if (IsPropertyDefined(PID))
return GetInt16(this._Image.GetPropertyItem(PID).Value);
else
return DefaultValue;
}//
// Gets specified string property
//
// Property ID
// Optional, default String.Empty. Default value returned if property is not present.
//
// Value of property or DefaultValue if property is not present.
//
// [altair] 10.09.2003 Created
//
public string GetPropertyString(Int32 PID)
{
return GetPropertyString(PID, "");
}public string GetPropertyString(Int32 PID, string DefaultValue)
{
if (IsPropertyDefined(PID))
return GetString(this._Image.GetPropertyItem(PID).Value);
else
return DefaultValue;
}//
// Gets specified property in raw form
//
// Property ID
// Optional, default Nothing. Default value returned if property is not present.
//
// Is recommended to use typed methods (like etc.) instead, when possible.
//
// [altair] 05.09.2005 Created
//
public byte[] GetProperty(Int32 PID, byte[] DefaultValue)
{
if (IsPropertyDefined(PID))
return this._Image.GetPropertyItem(PID).Value;
else
return DefaultValue;
}public byte[] GetProperty(Int32 PID)
{
return GetProperty(PID, null);
}//
// Gets specified rational property
//
// Property ID
//
// Value of property or 0/1 if not present.
//
// [altair] 10.09.2003 Created
//
public Rational GetPropertyRational(Int32 PID)
{
if (IsPropertyDefined(PID))
return GetRational(this._Image.GetPropertyItem(PID).Value);
else
{
Rational R;
R.Numerator = 0;
R.Denominator = 1;
return R;
}
}//
// Sets specified string property
//
// Property ID
// Value to be set
//
//
// [altair] 12.6.2004 Created
//
public void SetPropertyString(Int32 PID, string Value)
{
byte[] Data = this._Encoding.GetBytes(Value + '\0');
SetProperty(PID, Data, ExifDataTypes.AsciiString);
}//
// Sets specified Int16 property
//
// Property ID
// Value to be set
//
//
// [altair] 12.6.2004 Created
//
public void SetPropertyInt16(Int32 PID, Int16 Value)
{
byte[] Data = new byte[2];
Data[0] = (byte)(Value & 0xFF);
Data[1] = (byte)((Value & 0xFF00) >> 8);
SetProperty(PID, Data, ExifDataTypes.SignedShort);
}//
// Sets specified Int32 property
//
// Property ID
// Value to be set
//
//
// [altair] 13.06.2004 Created
//
public void SetPropertyInt32(Int32 PID, Int32 Value)
{
byte[] Data = new byte[4];
for (int I = 0; I < 4; I++)
{
Data[I] = (byte)(Value & 0xFF);
Value >>= 8;
}
SetProperty(PID, Data, ExifDataTypes.SignedLong);
}//
// Sets specified property in raw form
//
// Property ID
// Raw data
// EXIF data type
// Is recommended to use typed methods (like etc.) instead, when possible.
//
// [altair] 12.6.2004 Created
//
public void SetProperty(Int32 PID, byte[] Data, ExifDataTypes Type)
{
System.Drawing.Imaging.PropertyItem P = this._Image.PropertyItems[0];
P.Id = PID;
P.Value = Data;
P.Type = (Int16)Type;
P.Len = Data.Length;
this._Image.SetPropertyItem(P);
}//
// Reads Int32 from EXIF bytearray.
//
// EXIF bytearray to process
//
//
//
// [altair] 10.09.2003 Created
// [altair] 05.09.2005 Changed from public shared to private instance method
//
private Int32 GetInt32(byte[] B)
{
if (B.Length < 4)
throw new ArgumentException("Data too short (4 bytes expected)", "B");return B[3] << 24 | B[2] << 16 | B[1] << 8 | B[0];
}//
// Reads Int16 from EXIF bytearray.
//
// EXIF bytearray to process
//
//
//
// [altair] 10.09.2003 Created
// [altair] 05.09.2005 Changed from public shared to private instance method
//
private Int16 GetInt16(byte[] B)
{
if (B.Length < 2)
throw new ArgumentException("Data too short (2 bytes expected)", "B");return (short)(B[1] << 8 | B[0]);
}//
// Reads string from EXIF bytearray.
//
// EXIF bytearray to process
//
//
//
// [altair] 10.09.2003 Created
// [altair] 05.09.2005 Changed from public shared to private instance method
//
private string GetString(byte[] B)
{
string R = this._Encoding.GetString(B);
if (R.EndsWith("\0"))
R = R.Substring(0, R.Length - 1);
return R;
}//
// Reads rational from EXIF bytearray.
//
// EXIF bytearray to process
//
//
//
// [altair] 10.09.2003 Created
// [altair] 05.09.2005 Changed from public shared to private instance method
//
private Rational GetRational(byte[] B)
{
Rational R = new Rational();
byte[] N = new byte[4];
byte[] D = new byte[4];
Array.Copy(B, 0, N, 0, 4);
Array.Copy(B, 4, D, 0, 4);
R.Denominator = this.GetInt32(D);
R.Numerator = this.GetInt32(N);
return R;
}public void Save(string fileName){this._Image.Save(fileName);
}
#endregion#region " IDisposable implementation "//
// Disposes unmanaged resources of this class
//
//
//
// [altair] 10.09.2003 Created
//
public void Dispose()
{
this._Image.Dispose();
}#endregion}
}
C#代碼 ?
using?System; ??using?System.Collections.Generic; ??using?System.Text; ??using?System.Windows.Forms; ??using?System.Windows.Forms.Design; ???????????namespace?Utils ??{ ??????public?class?DialogUtil?:?FolderNameEditor ??????{ ??????????FolderNameEditor.FolderBrowser?fDialog?=?new??????????System.Windows.Forms.Design.FolderNameEditor.FolderBrowser(); ?????????? ??????????????????????public?DialogUtil()? ??????????{? ??????????} ????????????????????????public?DialogResult?ShowFolderDialog() ??????????{ ??????????????return?ShowFolderDialog("請選擇一個文件夾"); ??????????} ???????????????? ???????????public?DialogResult?ShowFolderDialog(string?description) ??????????{ ??????????????fDialog.Description?=?description; ??????????????fDialog.StartLocation?=?FolderBrowserFolder.Desktop; ??????????????return?fDialog.ShowDialog(); ??????????} ??????????~DialogUtil() ??????????{ ??????????????fDialog.Dispose(); ??????????} ??????}??
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