Plz watch this video from 6:00~6:22 ! I wanted to make an ios7's transparent navigation bar, so i found this video. In the video, he made a shape mask with only dragging the shape layer to another layer. I couldn't do the same thing as him with my computer, I tried to do that though. When i kept pressing 'alt' and dragged a shape layer to another one, it didn't work at all. It was only duplicated itself. Then, how can i make a linked layer or a shape layer like in the video?
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On a PC, before clicking on the shape mask you need to hit the Ctrl+Alt, and then drag the shape onto the layer you want to mask.
On Mac, it's Command+Option key, and then drag the shape layer onto the one you want to mask.
Source: http://veerle.duoh.com/design/article/photoshop_layers_tricks_and_shortcuts
alt
... but you need to (as the video says) holdcmd
andalt
...is that what you did? – Cai May 19 '17 at 17:17