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https://issues.apache.org/jira/browse/PDFBOX-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15153013#comment-15153013
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Tilman Hausherr commented on PDFBOX-3235:
-----------------------------------------
I hae attached the file PDFA-RGB.pdf which contains a short colorspace in a
normal file. Feel free to submit a patch... That file is identified as bad in
2.0, but not in 1.8, neither with my own change nor with yours.
> ColorSpace validation fails for inlined image
> ---------------------------------------------
>
> Key: PDFBOX-3235
> URL: https://issues.apache.org/jira/browse/PDFBOX-3235
> Project: PDFBox
> Issue Type: Bug
> Components: Preflight
> Affects Versions: 1.8.11
> Reporter: Petras
> Fix For: 1.8.12
>
> Attachments: FIX__ColorSpaces_for_inlined_image.patch, PDFA-RGB.pdf
>
>
> Validation fails for inlined image if content stream for inline image
> specifies color space using abbreviated name (ex. */CMYK* instead of
> */DeviceCMYK*):
> {quote}
> BI
> /CS/CMYK
> /W 34
> /H 36
> /BPC 8
> /F/Fl
> /DP<</Predictor 15
> /Columns 34
> /Colors 4>>
> ID x£ĒŚ...
> EI
> {quote}
> In this case Preflight validation fails with this message:
> {quote}
> 2.3.2 : Unexpected key in Graphic object definition, The ColorSpace is unknown
> {quote}
> PDF Reference v1.4 Chapter 4.8.6 table 4.40 indicates the abbreviations for
> the names of color spaces, which could be used to represent color spaces for
> inlined images instead of using the full names. There abbreviation *CMYK*
> matches full name *DeviceCMYK*.
> The culprit is that {{ContentStreamEngine}} looks for the corresponding
> {{ColorSpaces}} enum constant by matching its name to the specified color
> space name in content stream (i.e. using {{Enum.valueOf()}}). While
> {{ColorSpaces}} enum class has constants for abbreviated names, they are
> stored in local variable {{label}} and do not correspond to the enum constant
> name.
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