Adobe Photoshop CC 2014 v.14.xx - Manual (Page 278)

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Note:
Lock Transparent Pixels
Lock Image Pixels
Lock Position
Note:
3. Choose Edit > Transform > Rotate. A box defining the boundaries of the layer (called a bounding box) appears.
4. Move the pointer outside of the bounding box (the pointer becomes a curved, two-sided arrow), and then drag. Press Shift to constrain the
rotation to 15° increments.
5. When you’re satisfied with the results, press Enter (Windows) or Return (Mac OS), or click the check mark in the options bar. To cancel the
rotation, press Esc, or click the Cancel Transform icon on the options bar.
Lock layers
You can lock layers fully or partially to protect their contents. For instance, you may want to lock a layer fully when you finish with it. You may want
to lock a layer partially if it has the correct transparency and styles, but you are still deciding on positioning. When a layer is locked, a lock icon
appears to the right of the layer name. The lock icon is solid when the layer is fully locked and hollow when the layer is partially locked.
Lock all properties of a layer or group
1. Select a layer or group.
2. Click the Lock All option in the Layers panel.
Layers in a locked group display a dimmed lock icon .
Partially lock a layer
1. Select a layer.
2. Click one or more lock options in the Layers panel.
Confines editing to the opaque portions of the layer. This option is equivalent to the Preserve Transparency
option in earlier versions of Photoshop.
Prevents modification of the layer’s pixels using the painting tools.
Prevents the layer’s pixels from being moved.
For type and shape layers, Lock Transparency and Lock Image are selected by default and cannot be deselected.
Apply lock options to selected layers or a group
1. Select multiple layers or a group.
2. Choose Lock Layers or Lock All Layers In Group from the Layers menu or the Layers panel menu.
3. Select lock options, and click OK.
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