5.20. Page Curl
5.20.1. Overview
图 17.106. Example for the Page Curl filter
Original image
Filter “Page Curl” applied
This filter curls a corner of the current layer or selection into a kind of cornet showing the underlying layer in the cleared area. A new “Curl Layer” and a new Alpha channel are created. The part of the initial layer corresponding to this cleared area is also transparent.
5.20.2. Activating the filter
This filter is found in the image window menu under Filters → Distorts → Page Curl….
5.20.3. Options
图 17.107. Options
Curl Location
You have there four radio buttons to select the corner you want raise. The Preview is redundant and doesn’t respond to other options.
Curl Orientation
Horizontal and Vertical refer to the border you want raise.
Shade under curl
This is the shadow inside the cornet.
Foreground / background colors, Current gradient, Current gradient (reversed)
This option refers to the outer face of the cornet.
Opacity
Refers to the visibility of the layer part underlying the cornet. It may be set also in the Layer Dialog.