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Getting Hidden Picture information

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jw1234

jw1234

Technical User
Oct 3, 2010
10
GB
thread184-1173924

Eric while your code works it is not accurate for the GPS Data.



PUBLIC oform1

oform1=NEWOBJECT("form1")
oform1.Show
RETURN

DEFINE CLASS form1 AS form

Top = 0
Left = 17
Height = 350
Width = 400
DoCreate = .T.
Caption = "Get Image Properties (EXIF)"
Name = "Form1"

ADD OBJECT grid1 AS grid WITH ;
Anchor = 14, ;
Height = 351, ;
Left = 0, ;
Top = 0, ;
Width = 400, ;
Name = "Grid1"

PROCEDURE createpropertycursor
CREATE CURSOR crsProps (PropName C(50), IDValue I)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsVer", 0x0000)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsLatitudeRef", 0x0001)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsLatitude", 0x0002)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsLongitudeRef", 0x0003)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsLongitude", 0x0004)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsAltitudeRef", 0x0005)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsAltitude", 0x0006)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsGpsTime", 0x0007)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsGpsSatellites", 0x0008)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsGpsStatus", 0x0009)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsGpsMeasureMode", 0x000A)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsGpsDop", 0x000B)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsSpeedRef", 0x000C)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsSpeed", 0x000D)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsTrackRef", 0x000E)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsTrack", 0x000F)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsImgDirRef", 0x0010)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsImgDir", 0x0011)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsMapDatum", 0x0012)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsDestLatRef", 0x0013)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsDestLat", 0x0014)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsDestLongRef", 0x0015)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsDestLong", 0x0016)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsDestBearRef", 0x0017)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsDestBear", 0x0018)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsDestDistRef", 0x0019)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsDestDist", 0x001A)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagNewSubfileType", 0x00FE)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagSubfileType", 0x00FF)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagImageWidth", 0x0100)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagImageHeight", 0x0101)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagBitsPerSample", 0x0102)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagCompression", 0x0103)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPhotometricInterp", 0x0106)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThreshHolding", 0x0107)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagCellWidth", 0x0108)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagCellHeight", 0x0109)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagFillOrder", 0x010A)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagDocumentName", 0x010D)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagImageDescription", 0x010E)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagEquipMake", 0x010F)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagEquipModel", 0x0110)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagStripOffsets", 0x0111)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagOrientation", 0x0112)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagSamplesPerPixel", 0x0115)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagRowsPerStrip", 0x0116)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagStripBytesCount", 0x0117)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagMinSampleValue", 0x0118)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagMaxSampleValue", 0x0119)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagXResolution", 0x011A)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagYResolution", 0x011B)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPlanarConfig", 0x011C)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPageName", 0x011D)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagXPosition", 0x011E)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagYPosition", 0x011F)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagFreeOffset", 0x0120)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagFreeByteCounts", 0x0121)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGrayResponseUnit", 0x0122)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGrayResponseCurve", 0x0123)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagT4Option", 0x0124)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagT6Option", 0x0125)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagResolutionUnit", 0x0128)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPageNumber", 0x0129)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagTransferFunction", 0x012D)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagSoftwareUsed", 0x0131)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagDateTime", 0x0132)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagArtist", 0x013B)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagHostComputer", 0x013C)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPredictor", 0x013D)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagWhitePoint", 0x013E)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPrimaryChromaticities", 0x013F)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagColorMap", 0x0140)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagHalftoneHints", 0x0141)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagTileWidth", 0x0142)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagTileLength", 0x0143)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagTileOffset", 0x0144)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagTileByteCounts", 0x0145)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagInkSet", 0x014C)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagInkNames", 0x014D)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagNumberOfInks", 0x014E)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagDotRange", 0x0150)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagTargetPrinter", 0x0151)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExtraSamples", 0x0152)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagSampleFormat", 0x0153)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagSMinSampleValue", 0x0154)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagSMaxSampleValue", 0x0155)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagTransferRange", 0x0156)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagJPEGProc", 0x0200)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagJPEGInterFormat", 0x0201)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagJPEGInterLength", 0x0202)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagJPEGRestartInterval", 0x0203)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagJPEGLosslessPredictors", 0x0205)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagJPEGPointTransforms", 0x0206)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagJPEGQTables", 0x0207)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagJPEGDCTables", 0x0208)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagJPEGACTables", 0x0209)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagYCbCrCoefficients", 0x0211)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagYCbCrSubsampling", 0x0212)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagYCbCrPositioning", 0x0213)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagREFBlackWhite", 0x0214)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGamma", 0x0301)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagICCProfileDescriptor", 0x0302)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagSRGBRenderingIntent", 0x0303)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagImageTitle", 0x0320)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagResolutionXUnit", 0x5001)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagResolutionYUnit", 0x5002)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagResolutionXLengthUnit", 0x5003)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagResolutionYLengthUnit", 0x5004)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPrintFlags", 0x5005)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPrintFlagsVersion", 0x5006)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPrintFlagsCrop", 0x5007)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPrintFlagsBleedWidth", 0x5008)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPrintFlagsBleedWidthScale", 0x5009)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagHalftoneLPI", 0x500A)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagHalftoneLPIUnit", 0x500B)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagHalftoneDegree", 0x500C)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagHalftoneShape", 0x500D)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagHalftoneMisc", 0x500E)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagHalftoneScreen", 0x500F)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagJPEGQuality", 0x5010)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGridSize", 0x5011)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailFormat", 0x5012)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailWidth", 0x5013)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailHeight", 0x5014)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailColorDepth", 0x5015)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailPlanes", 0x5016)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailRawBytes", 0x5017)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailSize", 0x5018)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailCompressedSize", 0x5019)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagColorTransferFunction", 0x501A)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailData", 0x501B)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailImageWidth", 0x5020)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailImageHeight", 0x5021)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailBitsPerSample", 0x5022)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailCompression", 0x5023)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailPhotometricInterp", 0x5024)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailImageDescription", 0x5025)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailEquipMake", 0x5026)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailEquipModel", 0x5027)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailStripOffsets", 0x5028)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailOrientation", 0x5029)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailSamplesPerPixel", 0x502A)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailRowsPerStrip", 0x502B)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailStripBytesCount", 0x502C)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailResolutionX", 0x502D)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailResolutionY", 0x502E)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailPlanarConfig", 0x502F)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailResolutionUnit", 0x5030)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailTransferFunction", 0x5031)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailSoftwareUsed", 0x5032)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailDateTime", 0x5033)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailArtist", 0x5034)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailWhitePoint", 0x5035)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailPrimaryChromaticities", 0x5036)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailYCbCrCoefficients", 0x5037)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailYCbCrSubsampling", 0x5038)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailYCbCrPositioning", 0x5039)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailRefBlackWhite", 0x503A)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagThumbnailCopyRight", 0x503B)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagLuminanceTable", 0x5090)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagChrominanceTable", 0x5091)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagFrameDelay", 0x5100)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagLoopCount", 0x5101)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGlobalPalette", 0x5102)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagIndexBackground", 0x5103)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagIndexTransparent", 0x5104)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPixelUnit", 0x5110)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPixelPerUnitX", 0x5111)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPixelPerUnitY", 0x5112)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagPaletteHistogram", 0x5113)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagCopyright", 0x8298)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifExposureTime", 0x829A)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifFNumber", 0x829D)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifIFD", 0x8769)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagICCProfile", 0x8773)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifExposureProg", 0x8822)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifSpectralSense", 0x8824)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagGpsIFD", 0x8825)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifISOSpeed", 0x8827)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifOECF", 0x8828)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifVer", 0x9000)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifDTOrig", 0x9003)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifDTDigitized", 0x9004)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifCompConfig", 0x9101)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifCompBPP", 0x9102)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifShutterSpeed", 0x9201)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifAperture", 0x9202)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifBrightness", 0x9203)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifExposureBias", 0x9204)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifMaxAperture", 0x9205)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifSubjectDist", 0x9206)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifMeteringMode", 0x9207)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifLightSource", 0x9208)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifFlash", 0x9209)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifFocalLength", 0x920A)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifMakerNote", 0x927C)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifUserComment", 0x9286)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifDTSubsec", 0x9290)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifDTOrigSS", 0x9291)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifDTDigSS", 0x9292)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifFPXVer", 0xA000)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifColorSpace", 0xA001)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifPixXDim", 0xA002)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifPixYDim", 0xA003)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifRelatedWav", 0xA004)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifInterop", 0xA005)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifFlashEnergy", 0xA20B)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifSpatialFR", 0xA20C)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifFocalXRes", 0xA20E)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifFocalYRes", 0xA20F)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifFocalResUnit", 0xA210)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifSubjectLoc", 0xA214)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifExposureIndex", 0xA215)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifSensingMethod", 0xA217)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifFileSource", 0xA300)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifSceneType", 0xA301)
INSERT INTO crsProps (PropName, IDValue) values("PropertyTagExifCfaPattern", 0xA302)
INDEX ON IDValue TO IDValue
ENDPROC

PROCEDURE retrievepropname
LPARAMETERS tnPropertyID
LOCAL lcReturn
lcReturn = "Unknown"
IF SEEK(tnPropertyID, "crsProps", "IDValue")
lcReturn = crsProps.PropName
ENDIF
RETURN lcReturn
ENDPROC

PROCEDURE getimageproperties
LOCAL lnMax
DIMENSION aryProps(1)
aryProps(1) = NULL
WITH this
lnMax = .GpImage1.GetPropertyIDList(@aryProps)
CREATE CURSOR crsEXIF (Property c(50), Data c(100))
FOR lnCounter = 1 TO lnMax
INSERT INTO crsEXIF (Property, Data) VALUES (.RetrievePropName(aryProps(lnCounter)), TRANSFORM(.GpImage1.GetPropertyItem(aryProps(lnCounter))))
ENDFOR
GO TOP IN crsEXIF
ENDWITH
ENDPROC

PROCEDURE fillpropertygrid
WITH this
.createpropertycursor()
.getimageproperties()
.grid1.RecordSource = "crsEXIF"
.grid1.Refresh()
.grid1.AutoFit()
ENDWITH
ENDPROC

PROCEDURE Init
LOCAL lcImageFile
lcImageFile = GETPICT()
IF EMPTY(lcImageFile)
RETURN .F.
ENDIF
IF !("_GDIPLUS" $ SET("Classlib"))
SET CLASSLIB TO LOCFILE(HOME(1) + "FFC\_gdiplus.vcx", "VCX", "Select _gdiplus.vcx")
ENDIF
THIS.ADDOBJECT("gpImage1", "gpImage", lcImageFile, .F.)
THIS.fillpropertygrid()
ENDPROC

PROCEDURE Destroy
USE IN SELECT("crsProps")
USE IN SELECT("crsEXIF")
ENDPROC

ENDDEFINE


The Latidue and Longtitude are 24 bytes long but yours returns Degrees and Minutes only, if you right click a GPS tagged picture in Windows you also get the Seconds too

Why does this peice of code although very good not display
DEGREES MINUTES AND SECONDS - is it to dowith the code or the GDI VCX library

 
Sort by date Sort by votes
1. This is Craig Boyds Code, Eric was just the one asking.
2. I don't see what you see, but MSDN says on Exif Properties:


Especially:
PropertyTagGpsLatitude

Latitude. Latitude is expressed as three rational values giving the degrees, minutes, and seconds respectively. When degrees, minutes, and seconds are expressed, the format is dd/1, mm/1, ss/1. When degrees and minutes are used and, for example, fractions of minutes are given up to two decimal places, the format is dd/1, mmmm/100, 0/1.

So seconds might be embedded as 2 decimals of the minutes.

Then you'll need to compute seconds as Mod(60*minutes,60) if you have the minutes as a numeric variable.

Bye, Olaf.
 
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