Simone Rondelli created FOP-2638:
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Summary: FOText.getScript() may prevent gsub/gpos application
Key: FOP-2638
URL: https://issues.apache.org/jira/browse/FOP-2638
Project: FOP
Issue Type: Bug
Components: fo/block, layout/unqualified
Affects Versions: trunk
Environment: Operating System: All
Platform: All
Reporter: Simone Rondelli
In {{GlyphMapping.processWordMapping}} the script of the text is retrieved
using {{String script = text.getScript()}}.
If the script returned is not listed in the Font then then gsub/gpos features
will be ignored even if applicable.
h5. Example:
The font [EmojiOne|https://github.com/eosrei/emojione-color-font] is a font for
Emoji and contains a Ligatures table for _latn_ script. Thsi is what happen
when FOText.getScript is called:
* ๐ฎ๐น๐จโ๐จโ๐ฆ (Only emoji) -> script = 'zyyy'
* test๐ฎ๐น๐จโ๐จโ๐ฆ (Latin + Emoji) -> script = 'auto'
* ๅ
็งฆๅ
ฉๆผข๐ฎ๐น๐จโ๐จโ๐ฆ (Chinese + Emoji) -> script = 'auto'
In all these cases ApacheFOP is not able to apply the ligature table.
.h5 Acceptance Criteria
Ensure ApacheFOP reads the gsub/gpos table even if the script recognized for
the text differs from the one defined in the font.
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