### 6.9. Long Shadow

#### 6.9.1. Overview

This GEGL-based filter simplifies creating long shadows in several visual styles.

| Note
It is available if the selected layer holds an Alpha channel (see Section 7.36, “Add Alpha Channel”). Otherwise, it is disabled.

#### 6.9.2. Activating the Filter

This filter is found in the main menu under Filters → Light and Shadow → Long Shadow….

#### 6.9.3. Options

Figure 17.134. “Long Shadow” filter options

Presets, “Input Type”, Clipping, Blending Options, Preview, Merge filter, Split view

  | Note
  These options are described in Section 2, “Common Features”.

Style
  Original image.
  The layers of the image. The text layer was created via the "Layers to Image Size" function in the "Layer" menu.

  Finite is the default style. Other available styles are Infinite, Fading, and Fading (fixed length).

  Figure 17.135. “Style” option examples

  Finite (default)
  Infinite
  Fading
  Fading (fixed length); length = 30
Angle

  Shadow angle, in degrees.

  Angle = 110°
Length

  Shadow length, in pixels. Only available when Style is set to Finite or Fading (fixed length).

  Length = 30
Midpoint

  Shadow fade midpoint. Only available when Style is set to Fading or Fading (fixed length).

Color

  You can choose the color of the shadow here. Just click on the color swatch, and select a color when the color selector pops up, or use the eye-dropper to pick a color from the image.

Composition

  The “Output composition” selects how the output of this filter will be determined. There are three choices:

  - Shadow plus image will output both the input image and the created shadow. This is the default.

  - Shadow only will output only the created shadow.

  - Shadow minus image will output the created shadow but subtracts the area hidden by the image.

  Figure 17.136. “Composition” option examples

  Shadow only

  Shadow minus image

6.8. Drop Shadow |  | 6.10. Vignette

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