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Home » U++ Library support » Draw, Display, Images, Bitmaps, Icons » Strange issue with text in Painter
Strange issue with text in Painter [message #50852] Wed, 09 January 2019 11:23 Go to previous message
Tom1
Messages: 798
Registered: March 2007
Contributor
Hi,

Here's a strange issue: When I render a map using Painter, sometimes some letter does not render at all at specific scales. Alternatively, as you can see in the attached picture, it may render at false scale:

index.php?t=getfile&id=5733&private=0

When rotating the map slightly, the same text renders correctly:

index.php?t=getfile&id=5734&private=0

...Unless when the rotation is exactly 90, 180 or 270 degrees, which causes similar scaling error.

Another variant is that the letter appears to be completely absent.

BUT: when zooming the map, the letter renders perfectly OK.

There is no difference if Painter is in MT or ST mode.

Finally, this behavior persists for that run of the program only. If I close and restart the program, the same letter will likely render OK all the time, but there may (or may not) be another letter that suffers from the same problem.

I think this is some sort of initialization problem with fonts... but who knows.

Best regards,

Tom
  • Attachment: T1.png
    (Size: 203.15KB, Downloaded 285 times)
  • Attachment: T2.png
    (Size: 138.87KB, Downloaded 282 times)
 
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