BirdFont bugs
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Anonymous | Login | Signup for a new account2018-01-19 22:38 CET

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IDProjectCategoryView StatusDate SubmittedLast Update
0000131BirdFont[All Projects] BirdFontpublic2016-06-06 15:302016-06-08 16:25
ReporterMohammed Samad 
Assigned To 
PriorityimmediateSeveritymajorReproducibilityhave not tried
PlatformMACOSYosemiteOS Version10.10.5
Product Version 
Target VersionFixed in Version 
Summary0000131: When exporting font to OTF or TTF, the typeface becomes distored when installed.
DescriptionThe curves which show up perfect in Birfont seem to lose there anchor points when exported into OTF or TTF which means the overall look of the typeface changes and becomes distorted.
Additional InformationScreenshots should explain what is going wrong. How do I fix it?
TagsNo tags attached.
Attached Filespng file icon Screen Shot 2016-06-06 at 14.30.40.png [^] (26,606 bytes) 2016-06-06 15:30

? file icon [^] (619,114 bytes) 2016-06-08 14:03

- Relationships

-  Notes
User avatar (0000456)
Johan Mattsson (administrator)
2016-06-06 17:38

Thank you for the report. There is a mathematical difference between cubic and quadratic Bezér curves that makes it impossible to do a perfect conversion to TTF but I think it should look better. I will try to improve the code if you send me the BF file.

One setting you can try editing is the Units Per Em in the tab for export settings. You should make it a power of two, 2048 or 4096 might be a better option. The next release will include a setting that lets you tweak the conversion from cubic to quadratic curves a bit.
Mohammed Samad (reporter)
2016-06-08 14:04

Hi Sorry for the late reply i've uploaded the file onto this site not to sure if it worked or not. Would really apprciate your help i'm currently making a typeface for a college project and it's my first typeface i've made. Didn't know how hard it would be. Thank you
User avatar (0000460)
Johan Mattsson (administrator)
2016-06-08 16:14

Thank you. I am working on it.
User avatar (0000461)
Johan Mattsson (administrator)
2016-06-08 16:25

I think you might get better results if you draw with quadratic control points directly instead of using the cubic form. Click on (2) to change the control point type to quadratic. I am working on an improved automatic converter but it is a rather difficult problem.

- Issue History
Date Modified Username Field Change
2016-06-06 15:30 Mohammed Samad New Issue
2016-06-06 15:30 Mohammed Samad File Added: Screen Shot 2016-06-06 at 14.30.40.png
2016-06-06 17:38 Johan Mattsson Note Added: 0000456
2016-06-08 14:03 Mohammed Samad File Added:
2016-06-08 14:04 Mohammed Samad Note Added: 0000459
2016-06-08 16:14 Johan Mattsson Note Added: 0000460
2016-06-08 16:25 Johan Mattsson Note Added: 0000461

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