I am asking questions as I am doing layer merging. If layer 0 is set to W 800 H 300. And add layers. Layer 1 size is W 100 H 100. The position is X 750 Y 0. If merge the layers in this way, the image size W 850 H 300. I want to be W 800 H 300 when merging images. How do I do this?