User Manual

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Channels > Alpha Channel Mask Effect
Alpha Channel Mask Effect
You can use alpha channel to create effects.
Show the Layers/Channels/Paths toolbox. To make it stay on screen or disappear, click on the toggle Auto-Hide pin
icon in the upper right corner of the toolbox. See also Edit Alpha Channel to Remove Background.
1.
Select the butterfly alpha channel and make sure it is visible.2.
Use the gradient tool on the Toolbar to create gradient on the alpha channel. Copy the alpha channel to
clipboard and the image below is in the clipboard.
3.
The thumbnail below shows the alpha channel.4.
Use the Select > Inverse menu item to reverse the selection and cut the background to white in the alpha channel.
You will see a modified butterfly with a darker wing.
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