"Doesn't the "alpha lock" do that?"<br><div class="gmail_quote"><div><br>No, "alpha lock" locks alpha painting on the canvas where it is activated only.<br>This is not the same thing. <br>
with blending mode I can have several painted layer under and paint only onto them.. <br>all this in a group layer of course to don't paint on the background if there is one.<br></div></div>