public override void Setup(RectangleF ownerRect, float zOrder, bool skinNeutralAR)
{
PositionColoredTextured[] verts = new PositionColoredTextured[4];
// Upper left
verts[0].X = ownerRect.Left;
verts[0].Y = ownerRect.Top;
verts[0].Color = 0;
verts[0].Tu1 = 0.0f;
verts[0].Tv1 = 0.0f;
verts[0].Z = zOrder;
// Bottom left
verts[1].X = ownerRect.Left;
verts[1].Y = ownerRect.Bottom;
verts[1].Color = 0;
verts[1].Tu1 = 0.0f;
verts[1].Tv1 = 1.0f;
verts[1].Z = zOrder;
// Bottom right
verts[2].X = ownerRect.Right;
verts[2].Y = ownerRect.Bottom;
verts[2].Color = 0;
verts[2].Tu1 = 1.0f;
verts[2].Tv1 = 1.0f;
verts[2].Z = zOrder;
// Upper right
verts[3].X = ownerRect.Right;
verts[3].Y = ownerRect.Top;
verts[3].Color = 0;
verts[3].Tu1 = 1.0f;
verts[3].Tv1 = 0.0f;
verts[3].Z = zOrder;
_primitiveBuffer.Set(ref verts, PrimitiveType.TriangleFan);
_frameSize = skinNeutralAR ? ImageContext.AdjustForSkinAR(ownerRect.Size) : ownerRect.Size;
_imageContext.FrameSize = _frameSize;
}