285 lines
13 KiB
Go
285 lines
13 KiB
Go
package meta
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import (
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"encoding/xml"
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"os"
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"strings"
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"time"
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"github.com/photoprism/photoprism/pkg/txt"
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)
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// XmpDocument represents an XMP sidecar file.
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type XmpDocument struct {
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XMLName xml.Name `xml:"xmpmeta" json:"xmpmeta,omitempty"`
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Text string `xml:",chardata" json:"text,omitempty"`
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X string `xml:"x,attr" json:"x,omitempty"`
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Xmptk string `xml:"xmptk,attr" json:"xmptk,omitempty"`
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RDF struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Rdf string `xml:"rdf,attr" json:"rdf,omitempty"`
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Description struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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About string `xml:"about,attr" json:"about,omitempty"`
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Xmp string `xml:"xmp,attr" json:"xmp,omitempty"`
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Aux string `xml:"aux,attr" json:"aux,omitempty"`
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ExifEX string `xml:"exifEX,attr" json:"exifex,omitempty"`
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Photoshop string `xml:"photoshop,attr" json:"photoshop,omitempty"`
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XmpMM string `xml:"xmpMM,attr" json:"xmpmm,omitempty"`
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Dc string `xml:"dc,attr" json:"dc,omitempty"`
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Tiff string `xml:"tiff,attr" json:"tiff,omitempty"`
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Exif string `xml:"exif,attr" json:"exif,omitempty"`
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XmpRights string `xml:"xmpRights,attr" json:"xmprights,omitempty"`
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Iptc4xmpCore string `xml:"Iptc4xmpCore,attr" json:"iptc4xmpcore,omitempty"`
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Iptc4xmpExt string `xml:"Iptc4xmpExt,attr" json:"iptc4xmpext,omitempty"`
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CreatorTool string `xml:"CreatorTool"` // ELE-L29 10.0.0.168(C431E2...
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ModifyDate string `xml:"ModifyDate"` // 2020-01-01T17:28:23.89961...
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CreateDate string `xml:"CreateDate"` // 2020-01-01T17:28:23
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MetadataDate string `xml:"MetadataDate"` // 2020-01-01T17:28:23.89961...
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Rating string `xml:"Rating"` // 4
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Lens string `xml:"Lens"` // HUAWEI P30 Rear Main Came...
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LensModel string `xml:"LensModel"` // HUAWEI P30 Rear Main Came...
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DateCreated string `xml:"DateCreated"` // 2020-01-01T17:28:25.72962...
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ColorMode string `xml:"ColorMode"` // 3
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ICCProfile string `xml:"ICCProfile"` // sRGB IEC61966-2.1
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AuthorsPosition string `xml:"AuthorsPosition"` // Maintainer
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DocumentID string `xml:"DocumentID"` // 2C678C1811D7095FD79CC822B...
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InstanceID string `xml:"InstanceID"` // 2C678C1811D7095FD79CC822B...
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Format string `xml:"format"` // image/jpeg
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Title struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Alt struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Li struct {
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Text string `xml:",chardata" json:"text,omitempty"` // Night Shift / Berlin / 20...
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Lang string `xml:"lang,attr" json:"lang,omitempty"`
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} `xml:"li" json:"li,omitempty"`
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} `xml:"Alt" json:"alt,omitempty"`
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} `xml:"title" json:"title,omitempty"`
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Creator struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Seq struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Li string `xml:"li"` // Michael Mayer
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} `xml:"Seq" json:"seq,omitempty"`
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} `xml:"creator" json:"creator,omitempty"`
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Description struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Alt struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Li struct {
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Text string `xml:",chardata" json:"text,omitempty"` // Example file for developm...
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Lang string `xml:"lang,attr" json:"lang,omitempty"`
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} `xml:"li" json:"li,omitempty"`
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} `xml:"Alt" json:"alt,omitempty"`
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} `xml:"description" json:"description,omitempty"`
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Subject struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Bag struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Li []string `xml:"li"` // desk, coffee, computer
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} `xml:"Bag" json:"bag,omitempty"`
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Seq struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Li []string `xml:"li"` // desk, coffee, computer
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} `xml:"Seq" json:"seq,omitempty"`
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} `xml:"subject" json:"subject,omitempty"`
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Rights struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Alt struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Li struct {
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Text string `xml:",chardata" json:"text,omitempty"` // This is an (edited) legal...
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Lang string `xml:"lang,attr" json:"lang,omitempty"`
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} `xml:"li" json:"li,omitempty"`
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} `xml:"Alt" json:"alt,omitempty"`
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} `xml:"rights" json:"rights,omitempty"`
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ImageWidth string `xml:"ImageWidth"` // 3648
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ImageLength string `xml:"ImageLength"` // 2736
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BitsPerSample struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Seq struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Li []string `xml:"li"` // 8
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} `xml:"Seq" json:"seq,omitempty"`
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} `xml:"BitsPerSample" json:"bitspersample,omitempty"`
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PhotometricInterpretation string `xml:"PhotometricInterpretation"` // 2
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Orientation string `xml:"Orientation"` // 0
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SamplesPerPixel string `xml:"SamplesPerPixel"` // 3
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YCbCrPositioning string `xml:"YCbCrPositioning"` // 1
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XResolution string `xml:"XResolution"` // 72/1
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YResolution string `xml:"YResolution"` // 72/1
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ResolutionUnit string `xml:"ResolutionUnit"` // 2
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Make string `xml:"Make"` // HUAWEI
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Model string `xml:"Model"` // ELE-L29
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ExifVersion string `xml:"ExifVersion"` // 0210
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FlashpixVersion string `xml:"FlashpixVersion"` // 0100
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ColorSpace string `xml:"ColorProfile"` // 1
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ComponentsConfiguration struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Seq struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Li []string `xml:"li"` // 1, 2, 3, 0
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} `xml:"Seq" json:"seq,omitempty"`
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} `xml:"ComponentsConfiguration" json:"componentsconfiguration,omitempty"`
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CompressedBitsPerPixel string `xml:"CompressedBitsPerPixel"` // 95/100
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PixelXDimension string `xml:"PixelXDimension"` // 3648
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PixelYDimension string `xml:"PixelYDimension"` // 2736
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DateTimeOriginal string `xml:"DateTimeOriginal"` // 2020-01-01T17:28:23
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ExposureTime string `xml:"ExposureTime"` // 20000000/1000000000
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FNumber string `xml:"FNumber"` // 180/100
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ExposureProgram string `xml:"ExposureProgram"` // 2
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ISOSpeedRatings struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Seq struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Li string `xml:"li"` // 200
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} `xml:"Seq" json:"seq,omitempty"`
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} `xml:"ISOSpeedRatings" json:"isospeedratings,omitempty"`
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ShutterSpeedValue string `xml:"ShutterSpeedValue"` // 298973/10000
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ApertureValue string `xml:"ApertureValue"` // 1695994/1000000
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BrightnessValue string `xml:"BrightnessValue"` // 0/1
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ExposureBiasValue string `xml:"ExposureBiasValue"` // 0/10
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MaxApertureValue string `xml:"MaxApertureValue"` // 169/100
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MeteringMode string `xml:"MeteringMode"` // 5
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LightSource string `xml:"LightSource"` // 1
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Flash struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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ParseType string `xml:"parseType,attr" json:"parsetype,omitempty"`
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Fired string `xml:"Fired"` // False
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Return string `xml:"Return"` // 0
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Mode string `xml:"Mode"` // 0
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Function string `xml:"Function"` // False
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RedEyeMode string `xml:"RedEyeMode"` // False
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} `xml:"Flash" json:"flash,omitempty"`
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FocalLength string `xml:"FocalLength"` // 5580/1000
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SensingMethod string `xml:"SensingMethod"` // 2
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FileSource string `xml:"FileSource"` // 3
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SceneType string `xml:"SceneType"` // 1
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CustomRendered string `xml:"CustomRendered"` // 1
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ExposureMode string `xml:"ExposureMode"` // 0
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WhiteBalance string `xml:"WhiteBalance"` // 0
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DigitalZoomRatio string `xml:"DigitalZoomRatio"` // 100/100
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FocalLengthIn35mmFilm string `xml:"FocalLengthIn35mmFilm"` // 27
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SceneCaptureType string `xml:"SceneCaptureType"` // 0
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GainControl string `xml:"GainControl"` // 0
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Contrast string `xml:"Contrast"` // 0
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Saturation string `xml:"Saturation"` // 0
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Sharpness string `xml:"Sharpness"` // 0
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SubjectDistanceRange string `xml:"SubjectDistanceRange"` // 0
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SubSecTime string `xml:"SubSecTime"` // 899614
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SubSecTimeOriginal string `xml:"SubSecTimeOriginal"` // 899614
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SubSecTimeDigitized string `xml:"SubSecTimeDigitized"` // 899614
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GPSVersionID string `xml:"GPSVersionID"` // 2.2.0.0
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GPSLatitude string `xml:"GPSLatitude"` // 52,27.5814N
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GPSLongitude string `xml:"GPSLongitude"` // 13,19.3099E
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GPSAltitudeRef string `xml:"GPSAltitudeRef"` // 1
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GPSAltitude string `xml:"GPSAltitude"` // 0/100
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GPSTimeStamp string `xml:"GPSTimeStamp"` // 2020-01-01T16:28:22Z
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Marked string `xml:"Marked"` // False
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WebStatement string `xml:"WebStatement"` // http://docs.photoprism.or...
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CreatorContactInfo struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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ParseType string `xml:"parseType,attr" json:"parsetype,omitempty"`
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CiAdrExtadr string `xml:"CiAdrExtadr"` // Zimmermannstr. 37
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CiAdrCity string `xml:"CiAdrCity"` // Berlin
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CiAdrPcode string `xml:"CiAdrPcode"` // 12163
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CiAdrCtry string `xml:"CiAdrCtry"` // Germany
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CiTelWork string `xml:"CiTelWork"` // +49123456789
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CiEmailWork string `xml:"CiEmailWork"` // hello@photoprism.org
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CiUrlWork string `xml:"CiUrlWork"` // https://photoprism.org/
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} `xml:"CreatorContactInfo" json:"creatorcontactinfo,omitempty"`
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PersonInImage struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Bag struct {
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Text string `xml:",chardata" json:"text,omitempty"`
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Li string `xml:"li"` // Gopher
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} `xml:"Bag" json:"bag,omitempty"`
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} `xml:"PersonInImage" json:"personinimage,omitempty"`
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} `xml:"Description" json:"description,omitempty"`
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} `xml:"RDF" json:"rdf,omitempty"`
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}
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// Load parses an XMP file and populates document values with its contents.
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func (doc *XmpDocument) Load(filename string) error {
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data, err := os.ReadFile(filename)
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if err != nil {
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return err
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}
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return xml.Unmarshal(data, doc)
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}
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// Title returns the XMP document title.
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func (doc *XmpDocument) Title() string {
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t := doc.RDF.Description.Title.Alt.Li.Text
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t2 := doc.RDF.Description.Title.Text
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if t != "" {
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return SanitizeTitle(t)
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} else if t2 != "" {
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return SanitizeTitle(t2)
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}
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return ""
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}
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// Artist returns the XMP document artist.
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func (doc *XmpDocument) Artist() string {
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return SanitizeString(doc.RDF.Description.Creator.Seq.Li)
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}
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// Description returns the XMP document description.
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func (doc *XmpDocument) Description() string {
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d := doc.RDF.Description.Description.Alt.Li.Text
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d2 := doc.RDF.Description.Description.Text
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if d != "" {
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return SanitizeDescription(d)
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} else if d2 != "" {
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return SanitizeTitle(d2)
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}
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return ""
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}
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// Copyright returns the XMP document copyright info.
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func (doc *XmpDocument) Copyright() string {
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return SanitizeString(doc.RDF.Description.Rights.Alt.Li.Text)
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}
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// CameraMake returns the XMP document camera make name.
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func (doc *XmpDocument) CameraMake() string {
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return SanitizeString(doc.RDF.Description.Make)
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}
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// CameraModel returns the XMP document camera model name.
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func (doc *XmpDocument) CameraModel() string {
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return SanitizeString(doc.RDF.Description.Model)
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}
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// LensModel returns the XMP document lens model name.
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func (doc *XmpDocument) LensModel() string {
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return SanitizeString(doc.RDF.Description.LensModel)
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}
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// TakenAt returns the XMP document taken date.
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func (doc *XmpDocument) TakenAt(timeZone string) time.Time {
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taken := time.Time{} // Unknown
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s := SanitizeString(doc.RDF.Description.DateCreated)
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if s == "" {
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return taken
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}
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if dateTime := txt.DateTime(s, timeZone); !dateTime.IsZero() {
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return dateTime
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}
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return taken
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}
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// Keywords returns the XMP document keywords.
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func (doc *XmpDocument) Keywords() string {
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s := doc.RDF.Description.Subject.Seq.Li
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return strings.Join(s, ", ")
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}
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