6.9. Long Shadow

6.9. Long Shadow
	6. 照明と投影フィルター

6.9.1. 概観

This GEGL-based filter was added in GIMP 2.10.6. It simplifies creating long shadows in several visual styles.

6.9.2. Activating the Filter

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

It is available if the selected layer holds an Alpha channel (see 「アルファチャンネルの追加」). Otherwise, it is disabled.

6.9.3. オプション

図17.129 「Long Shadow」 filter options

Presets, 「Input Type」, Clipping, Blending Options, Preview, Split view

	注記
	These options are described in 「Common Features」.

Style

Original file; the text layer was created via the "Layer to Image Size" function in the "Layer" menu

You can use different styles Finite that is default, Infinite, Fading, and Fading (fixed length).

図17.130 「Style」 option examples

Finite (default)

Infinite

Fading

Fading (fixed length); length = 30

角度

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).

色

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.

図17.131 「Composition」 option examples

Shadow only

Shadow minus image