def __exit__(self, *_args):
assert self.context
log("EndPaint")
EndPaint(self.hwnd, byref(self.ps))
wglMakeCurrent(0, 0)
self.paint_hdc = None
self.ps = None
def __enter__(self):
log("wglMakeCurrent(%#x, %#x)", self.hdc, self.context)
r = wglMakeCurrent(self.hdc, self.context)
if not r:
raise Exception("wglMakeCurrent failed")
self.ps = PAINTSTRUCT()
self.paint_hdc = BeginPaint(self.hwnd, byref(self.ps))
assert self.paint_hdc, "BeginPaint: no display device context"
log("BeginPaint hdc=%#x", self.paint_hdc)
return self