iOS Guides | Samples

MonoTouch.CoreGraphics.CGBlendMode Enumeration

Blending mode used during composition.

Syntax

public enum CGBlendMode

Remarks

The blend modes are used when composing images, the operations combine the color data with an alpha channel. The operations are called the Porter-Duff blending operations.

For a detailed explanation see the PDF reference manual.

In the explanation below, the following variables are used:

Term	Description
R	Premultiplied result color
S	Source Color
D	Destination Color
Sa	Source alpha value
Da	Destination alpha value

Members

Member Name	Description
Clear	Clears the destination and makes it transparent (R=0).
Color
ColorBurn
ColorDodge
Copy	Copies the source color with alpha to the target (R=S)
Darken
DestinationAtop
DestinationIn
DestinationOut
DestinationOver
Difference
Exclusion
HardLight
Hue
Lighten
Luminosity
Multiply
Normal
Overlay
PlusDarker
PlusLighter
Saturation
Screen
SoftLight
SourceAtop
SourceIn
SourceOut
XOR

Requirements

Namespace: MonoTouch.CoreGraphics
Assembly: monotouch (in monotouch.dll)
Assembly Versions: 0.0.0.0

The members of MonoTouch.CoreGraphics.CGBlendMode are listed below.

Public Fields

	Clear	CGBlendMode. Clears the destination and makes it transparent (R=0).
	Color	CGBlendMode.
	ColorBurn	CGBlendMode.
	ColorDodge	CGBlendMode.
	Copy	CGBlendMode. Copies the source color with alpha to the target (R=S)
	Darken	CGBlendMode.
	DestinationAtop	CGBlendMode.
	DestinationIn	CGBlendMode.
	DestinationOut	CGBlendMode.
	DestinationOver	CGBlendMode.
	Difference	CGBlendMode.
	Exclusion	CGBlendMode.
	HardLight	CGBlendMode.
	Hue	CGBlendMode.
	Lighten	CGBlendMode.
	Luminosity	CGBlendMode.
	Multiply	CGBlendMode.
	Normal	CGBlendMode.
	Overlay	CGBlendMode.
	PlusDarker	CGBlendMode.
	PlusLighter	CGBlendMode.
	Saturation	CGBlendMode.
	Screen	CGBlendMode.
	SoftLight	CGBlendMode.
	SourceAtop	CGBlendMode.
	SourceIn	CGBlendMode.
	SourceOut	CGBlendMode.
	XOR	CGBlendMode.