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XPTitle info tag can be an ASCII string #1

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XPTitle info tag can be an ASCII string #1

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kstokoz
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@kstokoz kstokoz commented May 22, 2014

Feels like another windows hack, but I have an image created by Windows Lumia Phone which contains
XP Title encoded as ascii value, which somehow contradicts exif spec.

Unfortunately I cannot contribute an image to this repository for testing, but here is
EXIF before change:

    Root: 
        ImageDescription: 'Pyöräilykauden avaus ja samalla visiitti remontoituun talvipuutarhaan'
        Make: 'Nokia'
        Model: 'Nokia Lumia 800'
        Orientation: 1
        XResolution: 72
        YResolution: 72
        ResolutionUnit: 2
        Software: 'Windows Phone 7.5'
        Artist: ''
        YCbCrPositioning: 1
        Rating: 0
        RatingPercent: 0
        ExifOffset: 2394
        GPSInfo: 4718
        XPTitle: Invalid value: Text field not encoded as bytes.
        Padding: 28, -22, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0... (2060)

    Exif: 
        ExposureTime: 1/1404 (0.001)
        FNumber: 22/10 (2.2)
        ExifVersion: 48, 50, 50, 48
        DateTimeOriginal: '2012:04:15 14:25:06'
        DateTimeDigitized: '2012:04:15 14:25:06'
        ComponentsConfiguration: 1, 2, 3, 0
        MeteringMode: 2
        Flash: 16
        FlashpixVersion: 48, 49, 48, 48
        ColorSpace: 1
        ExifImageWidth: 3264
        ExifImageLength: 2448
        ImageUniqueID: '3C15D8C63616CF3528F5AB6EC5C093F3'
        Padding: 28, -22, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0... (2060)

    Gps: 
               ....

    Sub:  (jpegImageData)
        Compression: 6
        XResolution: 72
        YResolution: 72
        ResolutionUnit: 2
        JpgFromRawStart: 5064
        JpgFromRawLength: 18387

With following exception reading EXIF data:
org.apache.commons.imaging.ImageWriteException: Text field not encoded as bytes.
    at org.apache.commons.imaging.formats.tiff.TiffImageMetadata$Directory.getOutputDirectory(TiffImageMetadata.java:176)
    at org.apache.commons.imaging.formats.tiff.TiffImageMetadata.getOutputSet(TiffImageMetadata.java:229)

EXIF Info after change:

    Root: 
        ImageDescription: 'Pyöräilykauden avaus ja samalla visiitti remontoituun talvipuutarhaan'
        Make: 'Nokia'
        Model: 'Nokia Lumia 800'
        Orientation: 1
        XResolution: 72
        YResolution: 72
        ResolutionUnit: 2
        Software: 'Windows Phone 7.5'
        Artist: ''
        YCbCrPositioning: 1
        Rating: 0
        RatingPercent: 0
        ExifOffset: 2394
        GPSInfo: 4718
        XPTitle: 'Pyöräilykauden avaus ja samalla visiitti remontoituun talvipuutarhaan'
        Padding: 28, -22, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0... (2060)

    Exif: 
        ExposureTime: 1/1404 (0.001)
        FNumber: 22/10 (2.2)
        ExifVersion: 48, 50, 50, 48
        DateTimeOriginal: '2012:04:15 14:25:06'
        DateTimeDigitized: '2012:04:15 14:25:06'
        ComponentsConfiguration: 1, 2, 3, 0
        MeteringMode: 2
        Flash: 16
        FlashpixVersion: 48, 49, 48, 48
        ColorSpace: 1
        ExifImageWidth: 3264
        ExifImageLength: 2448
        ImageUniqueID: '3C15D8C63616CF3528F5AB6EC5C093F3'
        Padding: 28, -22, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0... (2060)

    Gps: 
              ..

    Sub:  (jpegImageData)
        Compression: 6
        XResolution: 72
        YResolution: 72
        ResolutionUnit: 2
        JpgFromRawStart: 5064
        JpgFromRawLength: 18387

TiffOutputSet {
byteOrder: BIG_ENDIAN
    directory 0: Root (0)
        field 0: [TagInfo. tag: 270 (0x10e, name: ImageDescription]
        field 0: [TagInfo. tag: 271 (0x10f, name: Make]
        field 0: [TagInfo. tag: 272 (0x110, name: Model]
        field 0: [TagInfo. tag: 274 (0x112, name: Orientation]
        field 0: [TagInfo. tag: 282 (0x11a, name: XResolution]
        field 0: [TagInfo. tag: 283 (0x11b, name: YResolution]
        field 0: [TagInfo. tag: 296 (0x128, name: ResolutionUnit]
        field 0: [TagInfo. tag: 305 (0x131, name: Software]
        field 0: [TagInfo. tag: 315 (0x13b, name: Artist]
        field 0: [TagInfo. tag: 531 (0x213, name: YCbCrPositioning]
        field 0: [TagInfo. tag: 18246 (0x4746, name: Rating]
        field 0: [TagInfo. tag: 18249 (0x4749, name: RatingPercent]
        field 0: [TagInfo. tag: 40091 (0x9c9b, name: XPTitle]
        field 0: [TagInfo. tag: 59932 (0xea1c, name: Padding]
    directory 1: Exif (-2)
        field 1: [TagInfo. tag: 33434 (0x829a, name: ExposureTime]
        field 1: [TagInfo. tag: 33437 (0x829d, name: FNumber]
        field 1: [TagInfo. tag: 36864 (0x9000, name: ExifVersion]
        field 1: [TagInfo. tag: 36867 (0x9003, name: DateTimeOriginal]
        field 1: [TagInfo. tag: 36868 (0x9004, name: DateTimeDigitized]
        field 1: [TagInfo. tag: 37121 (0x9101, name: ComponentsConfiguration]
        field 1: [TagInfo. tag: 37383 (0x9207, name: MeteringMode]
        field 1: [TagInfo. tag: 37385 (0x9209, name: Flash]
        field 1: [TagInfo. tag: 40960 (0xa000, name: FlashpixVersion]
        field 1: [TagInfo. tag: 40961 (0xa001, name: ColorSpace]
        field 1: [TagInfo. tag: 40962 (0xa002, name: ExifImageWidth]
        field 1: [TagInfo. tag: 40963 (0xa003, name: ExifImageLength]
        field 1: [TagInfo. tag: 42016 (0xa420, name: ImageUniqueID]
        field 1: [TagInfo. tag: 59932 (0xea1c, name: Padding]
    directory 2: Gps (-3)
        field 2: [TagInfo. tag: 1 (0x1, name: GPSLatitudeRef]
        field 2: [TagInfo. tag: 2 (0x2, name: GPSLatitude]
        field 2: [TagInfo. tag: 3 (0x3, name: GPSLongitudeRef]
        field 2: [TagInfo. tag: 4 (0x4, name: GPSLongitude]
        field 2: [TagInfo. tag: 5 (0x5, name: GPSAltitudeRef]
        field 2: [TagInfo. tag: 6 (0x6, name: GPSAltitude]
        field 2: [TagInfo. tag: 10 (0xa, name: GPSMeasureMode]
        field 2: [TagInfo. tag: 11 (0xb, name: GPSDOP]
    directory 3: Sub (1)
        field 3: [TagInfo. tag: 259 (0x103, name: Compression]
        field 3: [TagInfo. tag: 282 (0x11a, name: XResolution]
        field 3: [TagInfo. tag: 283 (0x11b, name: YResolution]
        field 3: [TagInfo. tag: 296 (0x128, name: ResolutionUnit]
        field 3: [TagInfo. tag: 514 (0x202, name: JpgFromRawLength]
}

XPTtitle info tag can be a ascii string
4d2d007 
feels like another windows hack. I have an image created by Windows Lumia Phone which contains
XP Title encoded as ascii value, which somehow contradicts exif spec
kinow referenced this pull request in kinow/commons-imaging Dec 31, 2017
@mgmechanics
Merge pull request #1 from apache/trunk
f367517 
update from origin
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kinow commented May 26, 2019

Hmm, this is tricky to review. All sources I'm finding about XPTitle (1 2 3) either do not specify the type, or use byte/int.

And if someone could provide a sample image, to be used for development and testing, that would be helpful too.

kinow
kinow requested changes May 26, 2019
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Would be nice if this could be rebased to fix the git conflicts. Also necessary to have a JIRA issue and - preferably - an example image as attachment there.

@kinow kinow added the someday label Jul 5, 2021
asfgit pushed a commit that referenced this pull request Jun 2, 2023
@garydgregory
Use String#isEmpty()
8310bf6 
(build passes for me locally on Windows 10 and Linux
5.10.16.3-microsoft-standard-WSL2 #1 SMP Fri Apr 2 22:23:49 UTC 2021
x86_64 x86_64 x86_64 GNU/Linux (within Windows WSL)
@garydgregory garydgregory changed the title XPTitle info tag can be a ascii string XPTitle info tag can be an ASCII string Dec 23, 2023
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Needs a test as well.

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