BlitRect
BlitRect(sourceImage, sourcePoly, destImage, destPoly)
Additional Notes
Speed: BlitRect vs. Blit
Using a simple speed test filter to compare Blit to BlitRect, Blit took 30% longer to render.
The FXScript Reference
For Final Cut Pro created by Joe Maller
© 2001-2008 Joe Maller. Portions © Apple Computer.
Authors own their submissions and grant full use rights to the site owner.
Commercial reproduction is prohibited without prior written permission (please ask first).
Commercial reproduction is prohibited without prior written permission (please ask first).
The FCP manual states that BlitRect is "treated as opaque," but that's a little misleading. What BlitRect actually does is completely replace pixels in the destination buffer. If the source pixels are transparent, the destination pixels will be transparent as well. Considering how much slower Blit is, in most cases BlitRect is a better option