https://bugs.kde.org/show_bug.cgi?id=484962
Bug ID: 484962
Summary: Typewriter effect is reversed in RTL
Classification: Applications
Product: kdenlive
Version: 24.02.1
Platform: Other
OS: All
Status: REPORTED
Severity: normal
Priority: NOR
Component: Effects & Transitions
Assignee: j...@kdenlive.org
Reporter: sh.ya...@gmail.com
Target Milestone: ---
SUMMARY
Creating a title clip allows the users to use a Typewriter effect to make it
look as if the text is being typed on the screen as part of the animation, for
LTR languages typing the text regularly produces the desired results, in RTL
languages (such as Hebrew) the text is typed left aligned and pushed over to
the right (while it should be typed on the right and pushed to the left).
In Arabic there's another complication besides the aforementioned issue, the
text is considered unjoined while typed so the letters appear in the singular
form until the next character appears, and only then does it become the joined
form while changing the shape completely.
STEPS TO REPRODUCE
1. Add a new Title Clip
2. Type one of the following words or both: בדיקה فحص
3. Add the clip to the timeline and play it.
OBSERVED RESULT
The Hebrew will be typed from the left and pushed to the right.
Arabic will push to the left in addition to forms changing.
EXPECTED RESULT
The typing should start from the right edge towards the left.
In Arabic/Persian there should be ZWJ while typing unless there's another
directionality character such as ZWNJ to the text will appear joined even if
there's no letter after the current one.
SOFTWARE/OS VERSIONS
Irrelevant, it happens on all platforms.
ADDITIONAL INFORMATION
I can add a rendered clip and source if it will be better for the explanation.
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