hasBackground()hasBackgroundhasBackground

Background Layer

• GSBackgroundLayer

  Editable background content associated with a foreground layer.

• background

  Editable background content associated with the layer.

• content(toBackgroundCheckSelection:keepOldBackground:)contentToBackgroundCheckSelection:keepOldBackground:contentToBackgroundCheckSelection_keepOldBackground_

  Copies shapes and anchors to the corresponding foreground or background layer.

• swapForegroundWithBackground()swapForegroundWithBackgroundswapForegroundWithBackground

  Exchanges shapes, anchors, and hints between the foreground and background layers.