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Adds Word Expansion: use of letter spacing for justification

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Bump crengine:
- Text: fix occasional BiDi bad word splitting
- Font: fix HB fallback measurement/drawing mismatches
- Font: do not add letter spacing on diacritics
- Text: tunable use of letter spacing for justification
- Text: dont adjust space after initial quotation mark/dash (rework)
- Text: fix possible bad widths after collapsed spaces

xtext.cpp: pick crengine fix with HB fallback
measurement/drawing mismatches

Adds "Word Expansion" to bottom Font size menu, and moved
"Word Spacing" there too, to balance the panels' heights
to 4 items.
This commit is contained in:
poire-z
2020-05-03 18:06:58 +02:00
parent 5681ddcd41
commit e074b603e0
8 changed files with 108 additions and 41 deletions
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7
defaults.lua
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@@ -185,6 +185,13 @@ DCREREADER_CONFIG_WORD_SPACING_SMALL = {75, 50}
DCREREADER_CONFIG_WORD_SPACING_MEDIUM = {95, 75}
DCREREADER_CONFIG_WORD_SPACING_LARGE = {100, 90}
-- word expansion, to reduce excessive spacing on justified line
-- by using letter spacing on the words
-- value is the max allowed added letter spacing, as a % of the font size
DCREREADER_CONFIG_WORD_EXPANSION_NONE = 0
DCREREADER_CONFIG_WORD_EXPANSION_SOME = 5
DCREREADER_CONFIG_WORD_EXPANSION_MORE = 15
-- crereader progress bar (no longer needed)
-- 0 for top "full" progress bar
-- 1 for bottom "mini" progress bar