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https://issues.apache.org/jira/browse/PDFBOX-3597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15708010#comment-15708010
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Matt Wise commented on PDFBOX-3597:
-----------------------------------
Thanks Maruan, yes the form will be flattened and is intended for printing
after filling out the fields from my backend app so I want to reduce the file
size as much as possible. Embedding the entirety of ArialUnicodeMs adds about
15mb to the resulting PDF which is excessive.
> PDAcroForm.refreshAppearances() does not respect updated fonts
> --------------------------------------------------------------
>
> Key: PDFBOX-3597
> URL: https://issues.apache.org/jira/browse/PDFBOX-3597
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 2.0.3
> Reporter: Matt Wise
>
> I have attached example files in the External issue URL link.
> I am trying to embed a subset of a font into my pdf after populating the
> fields. If I don't run refreshAppearances() the values will be put into the
> fields, but will only be visible when the field is selected (likely another
> bug).
> To work around this, I am trying to set the default appearance on the fields
> manually to reflect the embedded font. If I embed the whole font, it works
> as expected, however when I try to embed a subset of the font it fails:
> Exception in thread "main" java.lang.IllegalArgumentException: No glyph for
> U+540D in font AAWTXC+ArialUnicodeMS
> at
> org.apache.pdfbox.pdmodel.font.PDCIDFontType2.encode(PDCIDFontType2.java:400)
> at
> org.apache.pdfbox.pdmodel.font.PDType0Font.encode(PDType0Font.java:351)
> at org.apache.pdfbox.pdmodel.font.PDFont.encode(PDFont.java:316)
> at org.apache.pdfbox.pdmodel.font.PDFont.getStringWidth(PDFont.java:345)
> at
> org.apache.pdfbox.pdmodel.interactive.form.PlainTextFormatter.format(PlainTextFormatter.java:195)
> at
> org.apache.pdfbox.pdmodel.interactive.form.AppearanceGeneratorHelper.insertGeneratedAppearance(AppearanceGeneratorHelper.java:422)
> at
> org.apache.pdfbox.pdmodel.interactive.form.AppearanceGeneratorHelper.setAppearanceContent(AppearanceGeneratorHelper.java:288)
> at
> org.apache.pdfbox.pdmodel.interactive.form.AppearanceGeneratorHelper.setAppearanceValue(AppearanceGeneratorHelper.java:170)
> at
> org.apache.pdfbox.pdmodel.interactive.form.PDTextField.constructAppearances(PDTextField.java:263)
> at
> org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm.refreshAppearances(PDAcroForm.java:318)
> at test_pdfbox.TestPDFBox.main(TestPDFBox.java:45)
> It would appear that after I call form.setDefaultResources with the updated
> font, refreshAppearances is still trying to use the old font as the
> appearance, although I may be wrong.
> Expected:
> appearances are updated, subset of font is embedded.
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