def reset_transform(self, draw_context, *args, **kwargs):
# Restore the "clean" state of the graphics context.
core_graphics.CGContextRestoreGState(draw_context)
# CoreGraphics has a stack-based state representation,
# so ensure that there is a new, clean version of the "clean"
# state on the stack.
core_graphics.CGContextSaveGState(draw_context)
def ellipse(
self,
x,
y,
radiusx,
radiusy,
rotation,
startangle,
endangle,
anticlockwise,
draw_context,
*args,
**kwargs
):
core_graphics.CGContextSaveGState(draw_context)
self.translate(x, y, draw_context)
if radiusx >= radiusy:
self.scale(1, radiusy / radiusx, draw_context)
self.arc(0, 0, radiusx, startangle, endangle, anticlockwise, draw_context)
elif radiusy > radiusx:
self.scale(radiusx / radiusy, 1, draw_context)
self.arc(0, 0, radiusy, startangle, endangle, anticlockwise, draw_context)
self.rotate(rotation, draw_context)
self.reset_transform(draw_context)
core_graphics.CGContextRestoreGState(draw_context)
def drawRect_(self, rect: NSRect) -> None:
context = NSGraphicsContext.currentContext.CGContext
# Save the "clean" state of the graphics context.
core_graphics.CGContextSaveGState(context)
if self.interface.redraw:
self.interface._draw(self._impl, draw_context=context)
