Layer.setMaskPixel

機能/意味
Setting mask image values
タイプ
Layerクラスのメソッド
構文
setMaskPixel(x, y, value)
引数
x  Set the value Specify the x coordinate (in layer image coordinates).
y  Set the value Specify the y coordinate (in layer image coordinates).
value  Specify the value to be set (0 to 255).
戻り値
なし (void)
説明
 Set a value (0 to 255) at an arbitrary position in the layer mask image (image retaining opacity).
 Specifying an invalid (out of range) location as an image coordinate will raise an exception.