8 Jul
2016
8 Jul
'16
11:19 a.m.
Hi Henrik,
thank thank you to look into that.
Indeed, that error looks familiar
I guess you can try to use
AthensCairoSurface>>#displayOnMorphicCanvas:at:
in TRMorph>>#drawOn: instead of how it is done now, this should assure that
the Surface is still alive when drawing.
In TRMorph>>drawOn:, replacing
aCanvas image: f at: self bounds origin sourceRect: (0 @ 0 extent: surface extent) rule:
34
by
surface displayOnMorphicCanvas: aCanvas at: 0 @ 0
does not draw anything. Did I do something wrong?
I also think that changing the extent of the surface
should be moved from
#layoutChanged to the start of #drawOn:. The layoutChanged/ morph extent
change could happen more than once in between draw calls, which could cause
unnecessary recreations of the surface. It should also ensure that the
surface cannot be recreated while inside #drawOn:.
Thanks! I have committed this
Running all the Roassal2- tests leaves 5 instances of AthensCairoSurface that cannot be
garbage collected.
With the change you are suggesting, it is reduced to 4. Still something!
Cheers,
Alexandre
Hope this helps.
Best regards,
Henrik
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Alexandre Bergel http://www.bergel.eu
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