void
PipelineDirectToScreenWithClipExample::run(IWindow& theWindow)
{
EDeviceCoordinateSystem coordSystem;
if (ICoordinateSystem::applicationOrientation() == ICoordinateSystem::originLowerLeft)
{
coordSystem = kRightHand;
}
else
{
coordSystem = kLeftHand;
}
IManagedPresSpaceHandle presSpace(&theWindow);
IExtendedRootGrafPort rootPort(presSpace, coordSystem);
IGArea clipArea(IGRect2D(140,100,300,300));
ILinkedGrafPort clipPort(&rootPort, &clipArea);
IGEllipse2D ellipse(IGRect2D(20,20,220,180));
rootPort.draw(ellipse);
IGPolygon2D polygon(IGRect2D(20,20,220,180));
clipPort.draw(polygon, IFillBundle(IBaseColor::kPaleGray));
}
void
PipelineClippingExample::draw(IGrafPort& port)
{
IGArea clipArea(IGRect2D(140,100,300,300));
ILinkedGrafPort clipPort(&port, &clipArea);
IGEllipse2D ellipse(IGRect2D(20,20,220,180));
IGrafBundle bundle(kDefaultFillColor, kDefaultFrameColor);
clipPort.draw(ellipse, bundle);
}
void ElementGeometryClipper::visitArea(const Area &area) {
auto element = clipArea(clipper_, quadKeyBbox_, area);
if (element!=nullptr)
callback_(*element, quadKey_);
}
