Instance Method

contrast(_:)

Sets the contrast and separation between similar colors in this view.

Declaration

func contrast(_ amount: Double) -> some View

Parameters

amount

The intensity of color constrast to apply. Negative values invert colors in addition to applying contrast.

Return Value

A view that applies color contrast to this view.

Discussion

Apply contrast to a view when you want to increase or decrease the separation between similar colors in the view. The following image shows a photo next to that same photo with the contrast set to 3:

See Also

Applying Graphical Effects to a View

func opacity(Double) -> View

Sets the transparency of this view.

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func brightness(Double) -> View

Brightens this view by the specified amount.

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func colorInvert() -> View

Inverts the colors in this view.

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func colorMultiply(Color) -> View

Adds a color multiplication effect to this view.

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func blendMode(BlendMode) -> View

Sets the blend mode for compositing this view with overlapping views.

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func compositingGroup() -> View

Wraps this view in a compositing group.

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func drawingGroup(opaque: Bool, colorMode: ColorRenderingMode) -> View

Composites this view’s contents into an offscreen image before final display.

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func saturation(Double) -> View

Adjusts the color saturation of this view.

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func grayscale(Double) -> View

Adds a grayscale effect to this view.

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func hueRotation(Angle) -> View

Applies a hue rotation effect to this view.

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func luminanceToAlpha() -> View

Adds a luminance to alpha effect to this view.

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