7.41. Subtract Alpha from Selection

7.41. Subtract Alpha from Selection
	7. O menu “Camada”

The Subtract Alpha from Selection command creates a selection in the current layer from the Alpha Channel. Opaque pixels are fully selected, transparent pixels are unselected, and translucent pixels are partially selected. This selection is subtracted from the existing selection. The Alpha channel itself is not changed.

7.41.1. Ativando o comando

You can access this command from the main menu through Layer → Transparency → Subtract Alpha from Selection.

7.41.2. Exemplo

Figura 16.107. Applying “Subtract Alpha from Selection”

Pixels não transparentes da camada ativa foram subtraídos da seleção retangular existente.


7.40. Adicionar canal Alfa à seleção		7.42. Interseção do Canal Alfa com a Seleção