copyFrom method
Copies pixels into this PImage
from the given source
, or
replicates a region of this PImage
within itself if no
source is provided.
The sourceRect
is the area that is copied, and the
destRect
is the area within this PImage
where the
copy will painted.
Implementation
void copyFrom({
PImage? source,
required Rect sourceRect,
required Rect destRect,
}) {
source ??= this;
final copyImage = source.copy(sourceRect);
_add(copyImage, destRect.topLeft);
}