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The current behavior is that
WIthStyle
sets aStyle
on thePainter
; but when thefunc
supplied toWithStyle
is done, it resets to the default style of the entire program.This is, IMO, the wrong behavior- and a cause behind at least why my attempt at resolving #60 wasn't working.
This uses the call stack of drawing to push/pop styles when
WithStyle
is called. Within the scope of aWithStyle
, the style is applied; outside, it's whatever style was previously part of thePainter
. It adds a demo (inexamples/
) of the issue, new functionality totestSurface
to allow testing of colors, and a test for the expected behavior. This also removesResetStyle
, since that would essentially break the notion of style inheritance.