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Added in API level 14

Summary: Constants | Methods | Inherited Methods | [Expand All]

EffectFactory

public class EffectFactory
extends Object

java.lang.Object
↳	android.media.effect.EffectFactory

The EffectFactory class defines the list of available Effects, and provides functionality to inspect and instantiate them. Some effects may not be available on all platforms, so before creating a certain effect, the application should confirm that the effect is supported on this platform by calling isEffectSupported(String).

Summary

Constants
`String`	`EFFECT_AUTOFIX` Attempts to auto-fix the image based on histogram equalization.
`String`	`EFFECT_BACKDROPPER` Replaces the background of the input frames with frames from a selected video.
`String`	`EFFECT_BITMAPOVERLAY` Overlays a bitmap (with premultiplied alpha channel) onto the input image.
`String`	`EFFECT_BLACKWHITE` Adjusts the range of minimal and maximal color pixel intensities.
`String`	`EFFECT_BRIGHTNESS` Adjusts the brightness of the image.
`String`	`EFFECT_CONTRAST` Adjusts the contrast of the image.
`String`	`EFFECT_CROP` Crops an upright rectangular area from the image.
`String`	`EFFECT_CROSSPROCESS` Applies a cross process effect on image, in which the red and green channels are enhanced while the blue channel is restricted.
`String`	`EFFECT_DOCUMENTARY` Applies black and white documentary style effect on image..
`String`	`EFFECT_DUOTONE` Representation of photo using only two color tones.
`String`	`EFFECT_FILLLIGHT` Applies back-light filling to the image.
`String`	`EFFECT_FISHEYE` Applies a fisheye lens distortion to the image.
`String`	`EFFECT_FLIP` Flips image vertically and/or horizontally.
`String`	`EFFECT_GRAIN` Applies film grain effect to image.
`String`	`EFFECT_GRAYSCALE` Converts image to grayscale.
`String`	`EFFECT_LOMOISH` Applies lomo-camera style effect to image.
`String`	`EFFECT_NEGATIVE` Inverts the image colors.
`String`	`EFFECT_POSTERIZE` Applies posterization effect to image.
`String`	`EFFECT_REDEYE` Removes red eyes on specified region.
`String`	`EFFECT_ROTATE` Rotates the image.
`String`	`EFFECT_SATURATE` Adjusts color saturation of image.
`String`	`EFFECT_SEPIA` Converts image to sepia tone.
`String`	`EFFECT_SHARPEN` Sharpens the image.
`String`	`EFFECT_STRAIGHTEN` Rotates the image according to the specified angle, and crops the image so that no non-image portions are visible.
`String`	`EFFECT_TEMPERATURE` Adjusts color temperature of the image.
`String`	`EFFECT_TINT` Tints the photo with specified color.
`String`	`EFFECT_VIGNETTE` Adds a vignette effect to image, i.e.

Public methods
`Effect`	`createEffect(String effectName)` Instantiate a new effect with the given effect name.
`static boolean`	`isEffectSupported(String effectName)` Check if an effect is supported on this platform.

Inherited methods

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 millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Constants

EFFECT_AUTOFIX

Added in API level 14

String EFFECT_AUTOFIX

Attempts to auto-fix the image based on histogram equalization.

Available parameters:

Parameter name	Meaning	Valid values
`scale`	The scale of the adjustment.	Float, between 0 and 1. Zero means no adjustment, while 1 indicates the maximum amount of adjustment.

Constant Value: "android.media.effect.effects.AutoFixEffect"

EFFECT_BACKDROPPER

Added in API level 14

String EFFECT_BACKDROPPER

Replaces the background of the input frames with frames from a selected video. Requires an initial learning period with only the background visible before the effect becomes active. The effect will wait until it does not see any motion in the scene before learning the background and starting the effect.

Available parameters:

Parameter name	Meaning	Valid values
`source`	A URI for the background video to use. This parameter must be supplied before calling apply() for the first time.	String, such as from `Uri.toString()`

If the update listener is set for this effect using setUpdateListener(EffectUpdateListener), it will be called when the effect has finished learning the background, with a null value for the info parameter.

Constant Value: "android.media.effect.effects.BackDropperEffect"

EFFECT_BITMAPOVERLAY

Added in API level 14

String EFFECT_BITMAPOVERLAY

Overlays a bitmap (with premultiplied alpha channel) onto the input image. The bitmap is stretched to fit the input image.

Available parameters:

Parameter name	Meaning	Valid values
`bitmap`	The overlay bitmap.	A non-null Bitmap instance.

Constant Value: "android.media.effect.effects.BitmapOverlayEffect"

EFFECT_BLACKWHITE

Added in API level 14

String EFFECT_BLACKWHITE

Adjusts the range of minimal and maximal color pixel intensities.

Available parameters:

Parameter name	Meaning	Valid values
`black`	The value of the minimal pixel.	Float, between 0 and 1.
`white`	The value of the maximal pixel.	Float, between 0 and 1.

Constant Value: "android.media.effect.effects.BlackWhiteEffect"

EFFECT_BRIGHTNESS

Added in API level 14

String EFFECT_BRIGHTNESS

Adjusts the brightness of the image.

Available parameters:

Parameter name	Meaning	Valid values
`brightness`	The brightness multiplier.	Positive float. 1.0 means no change; larger values will increase brightness.

Constant Value: "android.media.effect.effects.BrightnessEffect"

EFFECT_CONTRAST

Added in API level 14

String EFFECT_CONTRAST

Adjusts the contrast of the image.

Available parameters:

Parameter name	Meaning	Valid values
`contrast`	The contrast multiplier.	Float. 1.0 means no change; larger values will increase contrast.

Constant Value: "android.media.effect.effects.ContrastEffect"

EFFECT_CROP

Added in API level 14

String EFFECT_CROP

Crops an upright rectangular area from the image. If the crop region falls outside of the image bounds, the results are undefined.

Available parameters:

Parameter name	Meaning	Valid values
`xorigin`	The origin's x-value.	Integer, between 0 and width of the image.
`yorigin`	The origin's y-value.	Integer, between 0 and height of the image.
`width`	The width of the cropped image.	Integer, between 1 and the width of the image minus xorigin.
`height`	The height of the cropped image.	Integer, between 1 and the height of the image minus yorigin.

Constant Value: "android.media.effect.effects.CropEffect"

EFFECT_CROSSPROCESS

Added in API level 14

String EFFECT_CROSSPROCESS

Applies a cross process effect on image, in which the red and green channels are enhanced while the blue channel is restricted.

Available parameters: None

Constant Value: "android.media.effect.effects.CrossProcessEffect"

EFFECT_DOCUMENTARY

Added in API level 14

String EFFECT_DOCUMENTARY

Applies black and white documentary style effect on image..

Available parameters: None

Constant Value: "android.media.effect.effects.DocumentaryEffect"

EFFECT_DUOTONE

Added in API level 14

String EFFECT_DUOTONE

Representation of photo using only two color tones.

Available parameters:

Parameter name	Meaning	Valid values
`first_color`	The first color tone.	Integer, representing an ARGB color with 8 bits per channel. May be created using `Color` class.
`second_color`	The second color tone.	Integer, representing an ARGB color with 8 bits per channel. May be created using `Color` class.

Constant Value: "android.media.effect.effects.DuotoneEffect"

EFFECT_FILLLIGHT

Added in API level 14

String EFFECT_FILLLIGHT

Applies back-light filling to the image.

Available parameters:

Parameter name	Meaning	Valid values
`strength`	The strength of the backlight.	Float, between 0 and 1. Zero means no change.

Constant Value: "android.media.effect.effects.FillLightEffect"

EFFECT_FISHEYE

Added in API level 14

String EFFECT_FISHEYE

Applies a fisheye lens distortion to the image.

Available parameters:

Parameter name	Meaning	Valid values
`scale`	The scale of the distortion.	Float, between 0 and 1. Zero means no distortion.

Constant Value: "android.media.effect.effects.FisheyeEffect"

EFFECT_FLIP

Added in API level 14

String EFFECT_FLIP

Flips image vertically and/or horizontally.

Available parameters:

Parameter name	Meaning	Valid values
`vertical`	Whether to flip image vertically.	Boolean
`horizontal`	Whether to flip image horizontally.	Boolean

Constant Value: "android.media.effect.effects.FlipEffect"

EFFECT_GRAIN

Added in API level 14

String EFFECT_GRAIN

Applies film grain effect to image.

Available parameters:

Parameter name	Meaning	Valid values
`strength`	The strength of the grain effect.	Float, between 0 and 1. Zero means no change.

Constant Value: "android.media.effect.effects.GrainEffect"

EFFECT_GRAYSCALE

Added in API level 14

String EFFECT_GRAYSCALE

Converts image to grayscale.

Available parameters: None

Constant Value: "android.media.effect.effects.GrayscaleEffect"

EFFECT_LOMOISH

Added in API level 14

String EFFECT_LOMOISH

Applies lomo-camera style effect to image.

Available parameters: None

Constant Value: "android.media.effect.effects.LomoishEffect"

EFFECT_NEGATIVE

Added in API level 14

String EFFECT_NEGATIVE

Inverts the image colors.

Available parameters: None

Constant Value: "android.media.effect.effects.NegativeEffect"

EFFECT_POSTERIZE

Added in API level 14

String EFFECT_POSTERIZE

Applies posterization effect to image.

Available parameters: None

Constant Value: "android.media.effect.effects.PosterizeEffect"

EFFECT_REDEYE

Added in API level 14

String EFFECT_REDEYE

Removes red eyes on specified region.

Available parameters:

Parameter name	Meaning	Valid values
`centers`	Multiple center points (x, y) of the red eye regions.	An array of floats, where (f[2i], f[2i+1]) specifies the center of the i'th eye. Coordinate values are expected to be normalized between 0 and 1.

Constant Value: "android.media.effect.effects.RedEyeEffect"

EFFECT_ROTATE

Added in API level 14

String EFFECT_ROTATE

Rotates the image. The output frame size must be able to fit the rotated version of the input image. Note that the rotation snaps to a the closest multiple of 90 degrees.

Available parameters:

Parameter name	Meaning	Valid values
`angle`	The angle of rotation in degrees.	Integer value. This will be rounded to the nearest multiple of 90.

Constant Value: "android.media.effect.effects.RotateEffect"

EFFECT_SATURATE

Added in API level 14

String EFFECT_SATURATE

Adjusts color saturation of image.

Available parameters:

Parameter name	Meaning	Valid values
`scale`	The scale of color saturation.	Float, between -1 and 1. 0 means no change, while -1 indicates full desaturation, i.e. grayscale.

Constant Value: "android.media.effect.effects.SaturateEffect"

EFFECT_SEPIA

Added in API level 14

String EFFECT_SEPIA

Converts image to sepia tone.

Available parameters: None

Constant Value: "android.media.effect.effects.SepiaEffect"

EFFECT_SHARPEN

Added in API level 14

String EFFECT_SHARPEN

Sharpens the image.

Available parameters:

Parameter name	Meaning	Valid values
`scale`	The degree of sharpening.	Float, between 0 and 1. 0 means no change.

Constant Value: "android.media.effect.effects.SharpenEffect"

EFFECT_STRAIGHTEN

Added in API level 14

String EFFECT_STRAIGHTEN

Rotates the image according to the specified angle, and crops the image so that no non-image portions are visible.

Available parameters:

Parameter name	Meaning	Valid values
`angle`	The angle of rotation.	Float, between -45 and +45.

Constant Value: "android.media.effect.effects.StraightenEffect"

EFFECT_TEMPERATURE

Added in API level 14

String EFFECT_TEMPERATURE

Adjusts color temperature of the image.

Available parameters:

Parameter name	Meaning	Valid values
`scale`	The value of color temperature.	Float, between 0 and 1, with 0 indicating cool, and 1 indicating warm. A value of of 0.5 indicates no change.

Constant Value: "android.media.effect.effects.ColorTemperatureEffect"

EFFECT_TINT

Added in API level 14

String EFFECT_TINT

Tints the photo with specified color.

Available parameters:

Parameter name	Meaning	Valid values
`tint`	The color of the tint.	Integer, representing an ARGB color with 8 bits per channel. May be created using `Color` class.

Constant Value: "android.media.effect.effects.TintEffect"

EFFECT_VIGNETTE

Added in API level 14

String EFFECT_VIGNETTE

Adds a vignette effect to image, i.e. fades away the outer image edges.

Available parameters:

Parameter name	Meaning	Valid values
`scale`	The scale of vignetting.	Float, between 0 and 1. 0 means no change.

Constant Value: "android.media.effect.effects.VignetteEffect"

Public methods

createEffect

Added in API level 14

Effect createEffect (String effectName)

Instantiate a new effect with the given effect name.

The effect's parameters will be set to their default values.

Note that the EGL context associated with the current EffectContext need not be made current when creating an effect. This allows the host application to instantiate effects before any EGL context has become current.

Parameters
`effectName`	`String`: The name of the effect to create.

Returns
`Effect`	A new Effect instance.

Throws
`IllegalArgumentException`	if the effect with the specified name is not supported or not known.

isEffectSupported

Added in API level 14

boolean isEffectSupported (String effectName)

Check if an effect is supported on this platform.

Some effects may only be available on certain platforms. Use this method before instantiating an effect to make sure it is supported.

Parameters
`effectName`	`String`: The name of the effect.

Returns
`boolean`	true, if the effect is supported on this platform.

Throws
`IllegalArgumentException`	if the effect name is not known.