/** @inheritDoc */
public override Rect GetBounds(DisplayObject targetSpace)
{
Rect bounds = base.GetBounds(targetSpace);
// if we have a scissor rect, intersect it with our bounds
if (_clipRect != null)
{
Rect clip = GetClipRect(targetSpace);
bounds = ToolSet.Intersection(ref bounds, ref clip);
}
return(bounds);
}
/** The clipping rectangle can be used to limit rendering in the current render target to
* a certain area. This method expects the rectangle in stage coordinates. Internally,
* it uses the 'scissorRectangle' of stage3D, which works with pixel coordinates.
* Any pushed rectangle is intersected with the previous rectangle; the method returns
* that intersection. */
//public Rectangle PushClipRect(Rectangle rectangle)
//{
// if (mClipRectStack.Count < mClipRectStackSize + 1)
// mClipRectStack.Add(new Rectangle());
// mClipRectStack[mClipRectStackSize].copyFrom(rectangle);
// rectangle = mClipRectStack[mClipRectStackSize];
// // intersect with the last pushed clip rect
// if (mClipRectStackSize > 0)
// rectangle.intersect(mClipRectStack[mClipRectStackSize-1],
// rectangle);
// ++mClipRectStackSize;
// ApplyClipRect();
// // return the intersected clip rect so callers can skip draw calls if it's empty
// return rectangle;
//}
public Rect PushClipRect(Rect rectangle)
{
if (mClipRectStack.Count < mClipRectStackSize + 1)
{
mClipRectStack.Add(new Rect());
}
mClipRectStack[mClipRectStackSize] = rectangle;
// intersect with the last pushed clip rect
if (mClipRectStackSize > 0)
{
Rect clip = mClipRectStack[mClipRectStackSize - 1];
rectangle = ToolSet.Intersection(ref clip, ref rectangle);
mClipRectStack[mClipRectStackSize] = rectangle;
}
++mClipRectStackSize;
ApplyClipRect();
// return the intersected clip rect so callers can skip draw calls if it's empty
return(rectangle);
}
