Mask Display(マスク表示)

This popover controls mask display options.

Spline(スプライン)

Toggles the display of the mask splines. This option is useful while combined with the Overlay option below to see a simplified view of the mask. Note the splines must be enabled to select and edit the spline points.

Edge Display Type(辺の表示タイプ)

Style of the edge.

Overlay(オーバーレイ)

Added mask overlay to both Image and Clip editors.

Overlay Mode(オーバーレイモード)
Alpha Channel(アルファチャンネル):

Which displays the rasterized mask as a grayscale image.

Combined(統合):

Displays both the clip along with the mask overlaid on top.

Blending Factor

How much the clip is mixed with the grayscale mask representation when using "Combined" Overlay Mode.