type TRenderMode = (rnmFull, rnmConstrained);
Description
TRenderMode defines how the synthetic image will render or rasterize.
- rnmFull a color information from the foreground image completely replaces the background data;
- rnmConstrained – foreground and background colors are blended together using per-pixel
opacity of the foreground bitmap (stored in its alpha channel), multiplied
by its MasterAlpha;