Blend Modes

Mode

Description

​Clear​

Replaces destination with Alpha and Color components set to zero; a fully transparent pixel.

​Src​

Replaces destination with source. Destination alpha and colorcomponent values are ignored.

​Dst​

Preserves destination, ignoring source. Drawing with Paint set to kDst has no effect.

​Src Over​

Replaces destination with source blended with destination. If source is opaque, replaces destination with source. Used as the default Blend_Mode for SkPaint.

​Dst Over​

Replaces destination with destination blended with source. If destination is opaque, has no effect.

​Src In​

Replaces destination with source using destination opacity.

​Dst In​

Scales destination opacity by source opacity.

​Src Out​

Replaces destination with source using the inverse of destination opacity, drawing source fully where destination opacity is zero.

​Dst Out​

Replaces destination opacity with inverse of source opacity. If source is transparent, has no effect.

​Src Atop​

Blends destination with source using read destination opacity.

​Dst Atop​

Blends destination with source using source opacity.

​Xor​

Blends destination by exchanging transparency of the source and destination.

​Plus​

Replaces destination with source and destination added together.

​Modulate​

Replaces destination with source and destination multiplied together.

​Screen​

Replaces destination with inverted source and destination multiplied together.

​Overlay​

Replaces destination with multiply or screen, depending on destination.

​Darken​

Replaces destination with darker of source and destination.

​Lighten​

Replaces destination with lighter of source and destination.

​Color Dodge​

Makes destination brighter to reflect source.

​Color Burn​

Makes destination darker to reflect source.

​Hard Light​

Makes destination lighter or darker, depending on source.

​Soft Light​

Makes destination lighter or darker, depending on source.

​Difference​

Subtracts darker from lighter with higher contrast.

​Exclusion​

Subtracts darker from lighter with lower contrast.

​Multiply​

​Multiplies source with destination, darkening image.​

​Hue​

Replaces hue of destination with hue of source, leaving saturation and luminosity unchanged.

​Saturation​

Replaces saturation of destination saturation hue of source, leaving hue and luminosity unchanged.

​Color​

Replaces hue and saturation of destination with hue and saturation of source, leaving luminosity unchanged.

​Luminosity​

Replaces luminosity of destination with luminosity of source, leaving hue and saturation unchanged.