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https://issues.apache.org/jira/browse/BATIK-1178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Reischenbacher updated BATIK-1178:
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Attachment: 1178.patch
> Font fallback mechanism selects wrong font
> ------------------------------------------
>
> Key: BATIK-1178
> URL: https://issues.apache.org/jira/browse/BATIK-1178
> Project: Batik
> Issue Type: Bug
> Components: GVT Text
> Reporter: Matthias Reischenbacher
> Attachments: 1178.patch, 1178_test_case_fixed.png,
> 1178_test_case.png, 1178_test_case.svg
>
>
> If there is a SVG text element that is displayed with different fonts, the
> StrokingTextPainter selects the wrong font for the first char after switching
> from the first to the fallback font.
> E.g.
> <tspan x="10" y="100" style="font-size:100px;font-family:Arial,'Arial Unicode
> MS';">= 的槽接触面</tspan>
> "= " --> Will be rendered with "Arial"
> "的" --> Will be rendered with any font that can display this character
> "槽接触面" --> Will be rendered with "Arial Unicode MS"
> See also the attached SVG test case and two PNG files, which were transcoded
> from this SVG after and before my fix.
> This issue is caused by the createModifiedACIForFontMatching() method inside
> StrokingTextPainter, which skips one character after the first few characters
> are matched to "Arial". This leaves one character with no font assigned (see
> fontAssigned array), which causes the subsequent code to assign any font,
> that can display the character.
> I'll add a patch that, so that
> "= " is rendered with "Arial" and
> "的槽接触面" with "Arial Unicode MS".
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