Added in API level 29

Summary: Enums | Methods | Inherited Methods

BlendMode

Kotlin |Java

public final enum BlendMode
extends Enum<BlendMode>

java.lang.Object
↳	java.lang.Enum<android.graphics.BlendMode>
	↳	android.graphics.BlendMode

Summary

Enum values
`BlendMode`	`CLEAR` Destination pixels covered by the source are cleared to 0.
`BlendMode`	`COLOR` Replaces hue and saturation of destination with hue and saturation of source, leaving luminosity unchanged.
`BlendMode`	`COLOR_BURN` Makes destination darker to reflect source.
`BlendMode`	`COLOR_DODGE` Makes destination brighter to reflect source.
`BlendMode`	`DARKEN` Retains the smallest component of the source and destination pixels.
`BlendMode`	`DIFFERENCE` Subtracts darker from lighter with higher contrast.
`BlendMode`	`DST` The source pixels are discarded, leaving the destination intact.
`BlendMode`	`DST_ATOP` Discards the destination pixels that are not covered by source pixels.
`BlendMode`	`DST_IN` Keeps the destination pixels that cover source pixels, discards the remaining source and destination pixels.
`BlendMode`	`DST_OUT` Keeps the destination pixels that are not covered by source pixels.
`BlendMode`	`DST_OVER` The source pixels are drawn behind the destination pixels.
`BlendMode`	`EXCLUSION` Subtracts darker from lighter with lower contrast.
`BlendMode`	`HARD_LIGHT` Makes destination lighter or darker, depending on source.
`BlendMode`	`HUE` Replaces hue of destination with hue of source, leaving saturation and luminosity unchanged.
`BlendMode`	`LIGHTEN` Retains the largest component of the source and destination pixel.
`BlendMode`	`LUMINOSITY` Replaces luminosity of destination with luminosity of source, leaving hue and saturation unchanged.
`BlendMode`	`MODULATE` Multiplies the source and destination pixels.
`BlendMode`	`MULTIPLY` Multiplies the source and destination pixels.
`BlendMode`	`OVERLAY` Multiplies or screens the source and destination depending on the destination color.
`BlendMode`	`PLUS` Adds the source pixels to the destination pixels and saturates the result.
`BlendMode`	`SATURATION` Replaces saturation of destination saturation hue of source, leaving hue and luminosity unchanged.
`BlendMode`	`SCREEN` Adds the source and destination pixels, then subtracts the source pixels multiplied by the destination.
`BlendMode`	`SOFT_LIGHT` Makes destination lighter or darker, depending on source.
`BlendMode`	`SRC` The source pixels replace the destination pixels.
`BlendMode`	`SRC_ATOP` Discards the source pixels that do not cover destination pixels.
`BlendMode`	`SRC_IN` Keeps the source pixels that cover the destination pixels, discards the remaining source and destination pixels.
`BlendMode`	`SRC_OUT` Keeps the source pixels that do not cover destination pixels.
`BlendMode`	`SRC_OVER` The source pixels are drawn over the destination pixels.
`BlendMode`	`XOR` Discards the source and destination pixels where source pixels cover destination pixels.

Public methods
`static BlendMode`	`valueOf(String name)`
`static final BlendMode[]`	`values()`

Inherited methods

From class


        
          java.lang.Enum

`final Object`	`clone()` Throws CloneNotSupportedException.
`final int`	`compareTo(E o)` Compares this enum with the specified object for order.
`final boolean`	`equals(Object other)` Returns true if the specified object is equal to this enum constant.
`final void`	`finalize()` enum classes cannot have finalize methods.
`final Class<E>`	`getDeclaringClass()` Returns the Class object corresponding to this enum constant's enum type.
`final int`	`hashCode()` Returns a hash code for this enum constant.
`final String`	`name()` Returns the name of this enum constant, exactly as declared in its enum declaration.
`final int`	`ordinal()` Returns the ordinal of this enumeration constant (its position in its enum declaration, where the initial constant is assigned an ordinal of zero).
`String`	`toString()` Returns the name of this enum constant, as contained in the declaration.
`static <T extends Enum<T>> T`	`valueOf(Class<T> enumClass, String name)` Returns the enum constant of the specified enum class with the specified name.

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeoutMillis, int nanos)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait()` Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

From interface


        
          java.lang.Comparable


      compareTo(E o)

Compares this object with the specified object for order.

Enum values

CLEAR

Added in API level 29

public static final BlendMode CLEAR

Destination pixels covered by the source are cleared to 0.

\(\alpha_{out} = 0\)

\(C_{out} = 0\)

COLOR

Added in API level 29

public static final BlendMode COLOR

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

COLOR_BURN

Added in API level 29

public static final BlendMode COLOR_BURN

Makes destination darker to reflect source.

\(\alpha_{out} = \alpha_{src} + \alpha_{dst} - \alpha_{src} * \alpha_{dst}\)

\begin{equation} C_{out} = \begin{cases} C_{dst} + C_{src}*(1 - \alpha_{dst}) & C_{dst} = \alpha_{dst} \\ \alpha_{dst}*(1 - \alpha_{src}) & C_{src} = 0 \\ \alpha_{src}*(\alpha_{dst} - min(\alpha_{dst}, (\alpha_{dst} - C_{dst})*\alpha_{src}/C_{src})) + C_{src} * (1 - \alpha_{dst}) + \alpha_{dst}*(1-\alpha_{src}) & otherwise \end{cases} \end{equation}

COLOR_DODGE

Added in API level 29

public static final BlendMode COLOR_DODGE

Makes destination brighter to reflect source.

\(\alpha_{out} = \alpha_{src} + \alpha_{dst} - \alpha_{src} * \alpha_{dst}\)

\begin{equation} C_{out} = \begin{cases} C_{src} * (1 - \alpha_{dst}) & C_{dst} = 0 \\ C_{src} + \alpha_{dst}*(1 - \alpha_{src}) & C_{src} = \alpha_{src} \\ \alpha_{src} * min(\alpha_{dst}, C_{dst} * \alpha_{src}/(\alpha_{src} - C_{src})) + C_{src} *(1 - \alpha_{dst} + \alpha_{dst}*(1 - \alpha_{src}) & otherwise \end{cases} \end{equation}

DARKEN

Added in API level 29

public static final BlendMode DARKEN

Retains the smallest component of the source and destination pixels.

\(\alpha_{out} = \alpha_{src} + \alpha_{dst} - \alpha_{src} * \alpha_{dst}\)

\(C_{out} = (1 - \alpha_{dst}) * C_{src} + (1 - \alpha_{src}) * C_{dst} + min(C_{src}, C_{dst})\)

DIFFERENCE

Added in API level 29

public static final BlendMode DIFFERENCE

Subtracts darker from lighter with higher contrast.

\begin{equation} \alpha_{out} = \alpha_{src} + \alpha_{dst} - \alpha_{src} * \alpha_{dst} \end{equation}

\begin{equation} C_{out} = C_{src} + C_{dst} - 2 * min(C_{src} * \alpha_{dst}, C_{dst} * \alpha_{src}) \end{equation}

DST

Added in API level 29

public static final BlendMode DST

The source pixels are discarded, leaving the destination intact.

\(\alpha_{out} = \alpha_{dst}\)

\(C_{out} = C_{dst}\)

DST_ATOP

Added in API level 29

public static final BlendMode DST_ATOP

Discards the destination pixels that are not covered by source pixels. Draws remaining destination pixels over source pixels.

\(\alpha_{out} = \alpha_{src}\)

\(C_{out} = \alpha_{src} * C_{dst} + (1 - \alpha_{dst}) * C_{src}\)

DST_IN

Added in API level 29

public static final BlendMode DST_IN

Keeps the destination pixels that cover source pixels, discards the remaining source and destination pixels.

\(\alpha_{out} = \alpha_{src} * \alpha_{dst}\)

\(C_{out} = C_{dst} * \alpha_{src}\)

DST_OUT

Added in API level 29

public static final BlendMode DST_OUT

Keeps the destination pixels that are not covered by source pixels. Discards destination pixels that are covered by source pixels. Discards all source pixels.

\(\alpha_{out} = (1 - \alpha_{src}) * \alpha_{dst}\)

\(C_{out} = (1 - \alpha_{src}) * C_{dst}\)

DST_OVER

Added in API level 29

public static final BlendMode DST_OVER

The source pixels are drawn behind the destination pixels.

\(\alpha_{out} = \alpha_{dst} + (1 - \alpha_{dst}) * \alpha_{src}\)

\(C_{out} = C_{dst} + (1 - \alpha_{dst}) * C_{src}\)

EXCLUSION

Added in API level 29

public static final BlendMode EXCLUSION

Subtracts darker from lighter with lower contrast.

\begin{equation} \alpha_{out} = \alpha_{src} + \alpha_{dst} - \alpha_{src} * \alpha_{dst} \end{equation}

\begin{equation} C_{out} = C_{src} + C_{dst} - 2 * C_{src} * C_{dst} \end{equation}

HARD_LIGHT

Added in API level 29

public static final BlendMode HARD_LIGHT

Makes destination lighter or darker, depending on source.

\(\alpha_{out} = \alpha_{src} + \alpha_{dst} - \alpha_{src} * \alpha_{dst}\)

\begin{equation} C_{out} = \begin{cases} 2*C_{src}*C_{dst} & C_{src}*(1-\alpha_{dst}) + C_{dst}*(1-\alpha_{src}) + 2*C_{src} \leq \alpha_{src} \\ \alpha_{src}*\alpha_{dst}- 2*(\alpha_{dst} - C_{dst})*(\alpha_{src} - C_{src}) & otherwise \end{cases} \end{equation}

HUE

Added in API level 29

public static final BlendMode HUE

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

LIGHTEN

Added in API level 29

public static final BlendMode LIGHTEN

Retains the largest component of the source and destination pixel.

\(\alpha_{out} = \alpha_{src} + \alpha_{dst} - \alpha_{src} * \alpha_{dst}\)

\(C_{out} = (1 - \alpha_{dst}) * C_{src} + (1 - \alpha_{src}) * C_{dst} + max(C_{src}, C_{dst})\)

LUMINOSITY

Added in API level 29

public static final BlendMode LUMINOSITY

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

MODULATE

Added in API level 29

public static final BlendMode MODULATE

Multiplies the source and destination pixels.

\(\alpha_{out} = \alpha_{src} * \alpha_{dst}\)

\(C_{out} = C_{src} * C_{dst}\)

MULTIPLY

Added in API level 29

public static final BlendMode MULTIPLY

Multiplies the source and destination pixels.

\(\alpha_{out} = \alpha_{src} + \alpha_{dst} - \alpha_{src} * \alpha_{dst}\)

\(C_{out} = C_{src} * (1 - \alpha_{dst}) + C_{dst} * (1 - \alpha_{src}) + (C_{src} * C_{dst})\)

OVERLAY

Added in API level 29

public static final BlendMode OVERLAY

Multiplies or screens the source and destination depending on the destination color.

\(\alpha_{out} = \alpha_{src} + \alpha_{dst} - \alpha_{src} * \alpha_{dst}\)

\(\begin{equation} C_{out} = \begin{cases} 2 * C_{src} * C_{dst} & 2 * C_{dst} \lt \alpha_{dst} \\ \alpha_{src} * \alpha_{dst} - 2 (\alpha_{dst} - C_{src}) (\alpha_{src} - C_{dst}) & otherwise \end{cases} \end{equation}\)

PLUS

Added in API level 29

public static final BlendMode PLUS

Adds the source pixels to the destination pixels and saturates the result.

\(\alpha_{out} = max(0, min(\alpha_{src} + \alpha_{dst}, 1))\)

\(C_{out} = max(0, min(C_{src} + C_{dst}, 1))\)

SATURATION

Added in API level 29

public static final BlendMode SATURATION

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

SCREEN

Added in API level 29

public static final BlendMode SCREEN

Adds the source and destination pixels, then subtracts the source pixels multiplied by the destination.

\(\alpha_{out} = \alpha_{src} + \alpha_{dst} - \alpha_{src} * \alpha_{dst}\)

\(C_{out} = C_{src} + C_{dst} - C_{src} * C_{dst}\)

SOFT_LIGHT

Added in API level 29

public static final BlendMode SOFT_LIGHT

Makes destination lighter or darker, depending on source.

Where \begin{equation} m = \begin{cases} C_{dst} / \alpha_{dst} & \alpha_{dst} \gt 0 \\ 0 & otherwise \end{cases} \end{equation}

\begin{equation} g = \begin{cases} (16 * m * m + 4 * m) * (m - 1) + 7 * m & 4 * C_{dst} \leq \alpha_{dst} \\ \sqrt m - m & otherwise \end{cases} \end{equation}

\begin{equation} f = \begin{cases} C_{dst} * (\alpha_{src} + (2 * C_{src} - \alpha_{src}) * (1 - m)) & 2 * C_{src} \leq \alpha_{src} \\ C_{dst} * \alpha_{src} + \alpha_{dst} * (2 * C_{src} - \alpha_{src}) * g & otherwise \end{cases} \end{equation}

\begin{equation} \alpha_{out} = \alpha_{src} + \alpha_{dst} - \alpha_{src} * \alpha_{dst} \end{equation} \begin{equation} C_{out} = C_{src} / \alpha_{dst} + C_{dst} / \alpha_{src} + f \end{equation}

SRC

Added in API level 29

public static final BlendMode SRC

The source pixels replace the destination pixels.

\(\alpha_{out} = \alpha_{src}\)

\(C_{out} = C_{src}\)

SRC_ATOP

Added in API level 29

public static final BlendMode SRC_ATOP

Discards the source pixels that do not cover destination pixels. Draws remaining source pixels over destination pixels.

\(\alpha_{out} = \alpha_{dst}\)

\(C_{out} = \alpha_{dst} * C_{src} + (1 - \alpha_{src}) * C_{dst}\)

SRC_IN

Added in API level 29

public static final BlendMode SRC_IN

Keeps the source pixels that cover the destination pixels, discards the remaining source and destination pixels.

\(\alpha_{out} = \alpha_{src} * \alpha_{dst}\)

\(C_{out} = C_{src} * \alpha_{dst}\)

SRC_OUT

Added in API level 29

public static final BlendMode SRC_OUT

Keeps the source pixels that do not cover destination pixels. Discards source pixels that cover destination pixels. Discards all destination pixels.

\(\alpha_{out} = (1 - \alpha_{dst}) * \alpha_{src}\)

\(C_{out} = (1 - \alpha_{dst}) * C_{src}\)

SRC_OVER

Added in API level 29

public static final BlendMode SRC_OVER

The source pixels are drawn over the destination pixels.

\(\alpha_{out} = \alpha_{src} + (1 - \alpha_{src}) * \alpha_{dst}\)

\(C_{out} = C_{src} + (1 - \alpha_{src}) * C_{dst}\)

XOR

Added in API level 29

public static final BlendMode XOR

Discards the source and destination pixels where source pixels cover destination pixels. Draws remaining source pixels.

\(\alpha_{out} = (1 - \alpha_{dst}) * \alpha_{src} + (1 - \alpha_{src}) * \alpha_{dst}\)

\(C_{out} = (1 - \alpha_{dst}) * C_{src} + (1 - \alpha_{src}) * C_{dst}\)

Public methods

valueOf

public static BlendMode valueOf (String name)

Parameters
`name`	`String`

Returns
`BlendMode`

values

public static final BlendMode[] values ()

Returns
`BlendMode[]`