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Bug 3171

Summary: TTF_RenderUTF8_Blended_Wrapped behaives badly when it can't wrap.
Product: SDL_ttf Reporter: jason
Component: miscAssignee: Sam Lantinga <slouken>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P2 CC: sylvain.becker
Version: 2.0.12   
Hardware: x86_64   
OS: Linux   
Attachments: patch

Description jason 2015-11-11 18:43:10 UTC 
If a string cannot be wrapped within the wrap limits due to having no space, then the text starts overwriting itself.

It should at least arbitrarily split a long line, even if this isn't language correct, as overwriting the same line is no help at all.
Comment 1 Sylvain 2018-10-30 17:45:08 UTC 
Created attachment 3416 [details]
patch

small workaround: an unbreakable line doesn't render overlapped 

and also clear kerning at beginning of line.
Comment 2 Sylvain 2018-10-30 21:40:52 UTC 
"and also clear kerning at beginning of line."

This one is actually an issue. it can remain a prev_index and do a kerning with "space" and "A" for instance, and you get a negative xstart. which a cause of overlap.
Comment 3 Sam Lantinga 2018-10-31 03:15:33 UTC 
Patch added, thanks!
https://hg.libsdl.org/SDL_ttf/rev/a17fa7057563