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.You edit a layer mask by adding to or subtractingfrom the masked region." To add to the mask and hide the layer or layer set,paint the mask with black.To edit a layer mask:To edit the layer instead of the layer mask, select it1 Click the layer mask thumbnail in the Layersby clicking its thumbnail in the Layers palette.palette to make it active (the mask icon ( )The paintbrush icon ( ) appears to the left of theappears to the left of the layer thumbnail).thumbnail to indicate that you are editing thelayer.2 Select any of the editing or painting tools.To paste a selection into a layer mask,Because the layer mask is a grayscale alphaAlt-click (Windows) or Option-click (Mac OS)channel, the foreground and background colorsthe layer mask thumbnail in the Layers palette todefault to grayscale values when the mask is active.select and display the mask channel.Choose Edit >As you edit, the mask thumbnail displaysPaste, drag the selection in the image to produce thethe changes.desired masking effect, and choose Select > Deselect.3 Do one of the following:Click the layer thumbnail in the Layers palette to" To subtract from the mask and reveal the layer,deselect the mask channel.paint the mask with white.To edit a layer mask s options (Photoshop):1 Double-click the layer mask s thumbnail in theLayers palette.2 To choose a new mask color, click the colorswatch in the Layer Mask Display Options dialogbox, and choose a new color.For more information, see Using theAdobe Color Picker in online Help.Background painted with black, head painted with white,3 To change the opacity, enter a value betweenneck painted with gray0% and 100%. CHAPTER 8240Using LayersTo convert a layer clipping path to a layer mask:Editing a layer clipping path (Photoshop)1 Click the layer clipping path in the LayersA layer clipping path creates a sharp-edged shapepalette to select it.on a layer.Typically, you can use a layer clippingpath to create buttons or panels.It s useful any2 Choose Layer > Rasterize > Layertime you want to add a design element with clean,Clipping Path.defined edges.Once you create a layer with a layerclipping path, you can apply one or more layerUnlinking layers, layer masks, and layerstyles to it, edit them if needed, and instantly haveclipping pathsa usable button, panel, or other Web designelement.For information on how to create a layer By default, a layer or layer set is linked to its layerclipping path, see Drawing shapes and paths on mask or layer clipping path, as indicated by thepage 161.Edit a layer clipping path by clicking link icon between the thumbnails in the Layersthe layer clipping path thumbnail in the Layers palette.The layer and its layer mask or layerpalette, or the thumbnail in the Paths palette, clipping path (or both) move together in thethen change the shape, using the shape and pen image when you move either one with thetools.(See Selecting paths (Photoshop) on move tool.page 173.) You can also convert a layer clippingYou can unlink the layer from its layer mask orpath into a layer mask, which automaticallylayer clipping path by clicking the link icon.rasterizes the mask.Unlinking them lets you move them indepen-Important: Once a layer clipping path has been dently and shift the mask or layer clipping pathrasterized, it cannot be changed back into a boundaries separately from the layer.Unlinking avector object.layer mask or layer clipping path can change howlayer effects are calculated.To re-establish the link,To remove a layer clipping path:click between the layer and layer mask or layerclipping path thumbnails.1 Click the layer clipping path in the Layerspalette to select it.Viewing layer masks2 Drag the layer clipping path to the Trashbutton ( ).By default, the layer mask channel does notappear in the image.You can view and edit theYou can also use the Layer menu to delete acontents of the mask or temporarily turn off itsclipping path.effects.You can also change the display optionsfor the mask. ADOBE PHOTOSHOP 6.0 241User GuideTo select and display the layer mask channel:" Double-click the layer mask channel in theChannels palette.Do one of the following:2 To choose a new mask color, in the Layer Mask" Alt-click (Windows) or Option-click (Mac OS)Display Options dialog box, click the color swatch,the layer mask thumbnail to view only theand choose a new color.grayscale mask.The eye icons in the Layers paletteare dimmed because all layers or layer sets are For more information, see Using thehidden.To redisplay the layers, Alt-click or Adobe Color Picker in online Help.Option-click the layer mask thumbnail, or click3 To change the opacity, enter a value betweenan eye icon.0% and 100%." Hold down Alt+Shift (Windows) orBoth the color and opacity settings affect only theOption+Shift (Mac OS), and click the layerappearance of the mask and have no effect on howmask thumbnail to view the mask on top of theunderlying areas are protected.For example,layer in a rubylith masking color.Hold downyou might want to change these settings to makeAlt+Shift or Option+Shift, and click thethe mask more easily visible against the colors inthumbnail again to turn off the color display.the image.To turn off the layer mask temporarily: 4 Click OK.1 Press Shift, and click the layer mask thumbnailin the Layers palette.Viewing layer clipping pathsA red X appears over the layer mask thumbnail in By default, the layer clipping path does not appearthe Layers palette, and the entire underlying layer in the image.You can view and edit the path oror layer set appears without masking effects.temporarily turn off its effects.You can alsochange the display options for the mask.2 To turn on the mask, Shift-click the layer maskthumbnail in the Layers palette.To turn off the layer clipping path temporarily:You can enable or disable layer masks using the1 Press Shift, and click the layer mask thumbnailLayer menu.in the Layers palette.A red X appears over the layer clipping pathTo change the rubylith display for a layer mask:thumbnail in the Layers palette, and the entire1 Do one of the following:underlying layer appears without masking effects." Alt-click (Windows) or Option-click (Mac OS)the layer mask thumbnail to select the layer maskchannel; then double-click the layer maskthumbnail. CHAPTER 8242Using LayersTo load a layer or layer mask s boundaries as a2 To turn on the layer clipping path, Shift-clickselection:the layer clipping path thumbnail in theLayers palette
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