How to paint using WSvgImage and WPainter
I dont want WSvgImage to written to some file. I want to show a WSvgImage
or its sucessor classes as a Widget do all drawing on it.
intereactive drawing is what needed
I can use WPaintedWidget and use paintEvent to draw.
but if I have a big polygon to draw initially and do a tracing on it using
WPaintedWidget tracking mouseEvents
for every call to update() the background polygon(large) is redrawn which
is not NEEDED and TIME CONSUMING.
i can use update(PaintUpdate) but for this call will allow new lines to be
drawing but the background polygon is cleared off
Any solution for this?
BTW, where is the update() function defined. I mean which class it is
defined
--
Regards,
Rashad
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