The target to write into.
The source pixel data (Uint32Array).
A rect defining the destination region.
The target to write into.
The source pixel data (Uint32Array).
The starting horizontal coordinate in the target.
The starting vertical coordinate in the target.
The width of the region to write.
The height of the region to write.
Copies a pixel buffer into a specific region of a PixelData32 object.