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https://issues.apache.org/jira/browse/PDFBOX-2625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14289593#comment-14289593
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John Hewson commented on PDFBOX-2625:
-------------------------------------
I ran this file through Acrobat Pro XI Preflight and it finds no problems with
the font widths. There are some XMP problems though. Looks like integer
precision is good enough for PDF/A-1b but not the later PDF/A versions.
> Preflight error: The character with CID 0 should have a width equals to 57.0,
> but has 57.78 on page 50
> ------------------------------------------------------------------------------------------------------
>
> Key: PDFBOX-2625
> URL: https://issues.apache.org/jira/browse/PDFBOX-2625
> Project: PDFBox
> Issue Type: Sub-task
> Components: FontBox, Preflight
> Affects Versions: 2.0.0
> Reporter: Tilman Hausherr
> Labels: type3
> Attachments: rolfs_diss_A1b.pdf
>
>
> Preflight brings these error message for the attached file. This is related
> to two type3 "fonts".
> {code}
> 3.1.6 : Invalid Font definition, T1: The character with CID 0 should have a
> width equals to 57.0, but has 57.78 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 2 should have a
> width equals to 22.0, but has 22.2 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 3 should have a
> width equals to 17.0, but has 17.75999 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 4 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 5 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 6 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 8 should have a
> width equals to 57.0, but has 57.78 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 9 should have a
> width equals to 53.0, but has 53.34 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 3 should have a
> width equals to 17.0, but has 17.75999 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 10 should have a
> width equals to 40.0, but has 40.02 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 5 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 12 should have a
> width equals to 17.0, but has 17.76 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 13 should have a
> width equals to 40.0, but has 40.02 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 15 should have a
> width equals to 26.0, but has 26.64 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 2 should have a
> width equals to 22.0, but has 22.2 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 1 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 16 should have a
> width equals to 40.0, but has 40.02 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 17 should have a
> width equals to 53.0, but has 53.34 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 5 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 3 should have a
> width equals to 17.0, but has 17.75999 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 1 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 5 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 13 should have a
> width equals to 40.0, but has 40.02 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 14 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 2 should have a
> width equals to 22.0, but has 22.2 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 1 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 18 should have a
> width equals to 26.0, but has 26.64 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 19 should have a
> width equals to 22.0, but has 22.2 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 17 should have a
> width equals to 53.0, but has 53.34 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 20 should have a
> width equals to 26.0, but has 26.64 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 21 should have a
> width equals to 48.0, but has 48.84 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 15 should have a
> width equals to 26.0, but has 26.64 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 14 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 5 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 13 should have a
> width equals to 40.0, but has 40.02 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 14 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 2 should have a
> width equals to 22.0, but has 22.2 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 1 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 22 should have a
> width equals to 53.0, but has 53.34 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 5 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 5 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 23 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 3 should have a
> width equals to 17.0, but has 17.75999 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 5 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 24 should have a
> width equals to 57.0, but has 57.78 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 1 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 15 should have a
> width equals to 26.0, but has 26.64 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 1 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 25 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 1 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 12 should have a
> width equals to 17.0, but has 17.76 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 26 should have a
> width equals to 66.0, but has 66.60001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 27 should have a
> width equals to 53.0, but has 53.34 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 5 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 13 should have a
> width equals to 40.0, but has 40.02 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 28 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 1 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 29 should have a
> width equals to 48.0, but has 48.84 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 30 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 5 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 11 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 0 should have a
> width equals to 57.0, but has 57.78 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 2 should have a
> width equals to 22.0, but has 22.2 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 3 should have a
> width equals to 17.0, but has 17.75999 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 13 should have a
> width equals to 40.0, but has 40.02 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 11 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 12 should have a
> width equals to 17.0, but has 17.76 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 5 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 15 should have a
> width equals to 26.0, but has 26.64 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 31 should have a
> width equals to 22.0, but has 22.2 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 15 should have a
> width equals to 26.0, but has 26.64 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 26 should have a
> width equals to 66.0, but has 66.60001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 5 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 2 should have a
> width equals to 22.0, but has 22.2 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 14 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 4 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 27 should have a
> width equals to 53.0, but has 53.34 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 32 should have a
> width equals to 57.0, but has 57.78 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 21 should have a
> width equals to 48.0, but has 48.84 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 24 should have a
> width equals to 57.0, but has 57.78 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 27 should have a
> width equals to 53.0, but has 53.34 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 21 should have a
> width equals to 48.0, but has 48.84 on page 50
> 3.1.6 : Invalid Font definition, T1: The character with CID 21 should have a
> width equals to 48.0, but has 48.84 on page 50
> 3.1.6 : Invalid Font definition, T2: The character with CID 0 should have a
> width equals to 53.0, but has 53.34 on page 50
> 3.1.6 : Invalid Font definition, T2: The character with CID 1 should have a
> width equals to 40.0, but has 40.02 on page 50
> 3.1.6 : Invalid Font definition, T2: The character with CID 4 should have a
> width equals to 22.0, but has 22.2 on page 50
> 3.1.6 : Invalid Font definition, T2: The character with CID 5 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T2: The character with CID 4 should have a
> width equals to 22.0, but has 22.2 on page 50
> 3.1.6 : Invalid Font definition, T2: The character with CID 6 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T2: The character with CID 7 should have a
> width equals to 26.0, but has 26.64 on page 50
> 3.1.6 : Invalid Font definition, T2: The character with CID 8 should have a
> width equals to 40.0, but has 40.02 on page 50
> 3.1.6 : Invalid Font definition, T2: The character with CID 9 should have a
> width equals to 22.0, but has 22.2 on page 50
> 3.1.6 : Invalid Font definition, T2: The character with CID 10 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T2: The character with CID 12 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T2: The character with CID 4 should have a
> width equals to 22.0, but has 22.2 on page 50
> 3.1.6 : Invalid Font definition, T2: The character with CID 6 should have a
> width equals to 44.0, but has 44.46001 on page 50
> 3.1.6 : Invalid Font definition, T2: The character with CID 8 should have a
> width equals to 40.0, but has 40.02 on page 50
> {code}
> The widths on the left of the error messages can be seen below, they are
> truncated to int in Type3FontValidator.getWidths().
> {code}
> 459 0 obj
> <</Subtype/Type3/LastChar 33/Widths[57.78 44.46 22.2 17.76 44.46 44.46 44.46
> 62.22 57.78 53.34 40.02 44.46 17.76 40.02 44.46 26.64 40.02 53.34 26.64 22.2
> 26.64 48.84 53.34 44.46 57.78 44.46 66.6 53.34 44.46 48.84 44.46 22.2 57.78
> 53.34]/Name/T1/FirstChar 0/FontMatrix[0.01 0 0 0.01 0 0]/FontBBox[-53.16
> -25.98 159.96 80.46]/Resources 105 0 R/Encoding 106 0 R/Type/Font/CharProcs
> 141 0 R>>
> endobj
> 460 0 obj
> <</Subtype/Type3/LastChar 12/Widths[53.34 40.02 40.02 17.76 22.2 44.46 44.46
> 26.64 40.02 22.2 44.46 44.46 44.46]/Name/T2/FirstChar 0/FontMatrix[0.01 0 0
> 0.01 0 0]/FontBBox[-80.88 -26.34 180.78 86.22]/Resources 142 0 R/Encoding 143
> 0 R/Type/Font/CharProcs 157 0 R>>
> endobj
> {code}
> The widths on the right of the error messages can be found in the type3
> "font" streams and are set by the first parameter of the d0 or the d1
> operator. They are indeed 44.46001, 17.75999, 66.60001, 17.75999.
> [~msahyoun] Does the PDF/A-1b specification request identity, integer
> identity, or difference below a fractional value for the widths?
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