To apply the mask layer to all underlying layers, drag it from the layer group to the main level. You can paint on the image to show portions of the underlying layer. For information about editing the mask, see Editing masks.įor information about stacking layers, see Changing the order of layers in an image. Open the image that you want to use as a mask.Ĭhoose Layers New Mask Layer From Image to open the Add Mask From Image dialog box. In the Create Mask From group box, choose one of the following options: Open the Source Window drop-list, and choose the image. Source luminance - determines the degree of masking based on the luminance value of the pixel color. Lighter colors produce less masking darker colors produce more masking. Transparent areas completely mask the layer.Īny non-zero value - applies masking without gradation. Pixels with an opacity between 1 and 255 pixels become white transparent pixels become black. Transparent areas completely mask the layer. Source opacity - determines the degree of masking based on the opacity of the image. Fully opaque pixels produce no masking partially transparent pixels create more masking transparent pixels produce full masking.
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