Type Property 型プロパティ

darken

A mode that creates composite image samples by choosing the darker samples from either the source image or the background.

Declaration 宣言 

static var darken: GraphicsContext.BlendMode { get }

Discussion 議論

When you draw in this mode, source image samples that are darker than the background replace the background. Otherwise, the background image samples remain unchanged.

See Also 参照

Darkening

static var multiply: GraphicsContext.BlendMode
A mode that multiplies the source image samples with the background image samples.
static var colorBurn: GraphicsContext.BlendMode
A mode that darkens background image samples to reflect the source image samples.
static var plusDarker: GraphicsContext.BlendMode
A mode that adds the inverse of the color components of the source and background images, and then inverts the result, producing a darkened composite.