4.11. Page Curl
| 4. Distort Filters |

### 4.11. Page Curl

#### 4.11.1. Overview

Figure 16.60. 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.

#### 4.11.2. Activating the filter

This filter is found in the image window menu under Filters → Distorts → Page Curl.

#### 4.11.3. Options

Figure 16.61. 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.

4.10. Newsprint |  | 4.12. Polar Coords