public void CopyTo(Rectangle srcRegion, Canvas.ResolvedContext destination)
{
Contract.Requires(destination != null);
Surface2D dstSurface = (Surface2D)destination.Surface2D;
int offsetX = Convert.ToInt32(destination.Region.X);
int offsetY = Convert.ToInt32(destination.Region.Y);
ResourceRegion sourceRegion = new ResourceRegion
{
Front = 0,
Left = Convert.ToInt32(srcRegion.Left),
Top = Convert.ToInt32(srcRegion.Top),
Right = Convert.ToInt32(srcRegion.Right),
Bottom = Convert.ToInt32(srcRegion.Bottom),
Back = 1
};
try
{
destination.Surface2D.AcquireLock();
_Device3D.CopySubresourceRegion(
_Texture, 0, sourceRegion, dstSurface.Texture2D, 0, offsetX, offsetY, 0);
}
finally
{
destination.Surface2D.ReleaseLock();
}
}
// Method to marshal from native to managed struct
internal unsafe void __MarshalFrom(ref __Native @ref)
{
this.SourceRegionPointer = @ref.SourceRegionPointer;
this.DestinationRegionPointer = @ref.DestinationRegionPointer;
this.FirstSourceMip = @ref.FirstSourceMip;
this.FirstDestinationMip = @ref.FirstDestinationMip;
this.MipCount = @ref.MipCount;
this.FirstSourceElement = @ref.FirstSourceElement;
this.FirstDestinationElement = @ref.FirstDestinationElement;
this.ElementCount = @ref.ElementCount;
this.Filter = @ref.Filter;
this.MipFilter = @ref.MipFilter;
this.SourceRegion = new ResourceRegion();
if (@ref.SourceRegionPointer != IntPtr.Zero)
Utilities.Read<ResourceRegion>(@ref.SourceRegionPointer, ref this.SourceRegion);
this.DestinationRegion = new ResourceRegion();
if (@ref.DestinationRegionPointer != IntPtr.Zero)
Utilities.Read<ResourceRegion>(@ref.DestinationRegionPointer, ref this.DestinationRegion);
}