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ScriptIntrinsicHistogram

public class ScriptIntrinsicHistogram
extends ScriptIntrinsic

java.lang.Object
↳	android.support.v8.renderscript.BaseObj
	↳	android.support.v8.renderscript.Script
		↳	android.support.v8.renderscript.ScriptIntrinsic
			↳	android.support.v8.renderscript.ScriptIntrinsicHistogram

Intrinsic Histogram filter.

Summary

Protected constructors
`ScriptIntrinsicHistogram(long id, RenderScript rs)`

Public methods
`static ScriptIntrinsicHistogram`	`create(RenderScript rs, Element e)` Create an intrinsic for calculating the histogram of an uchar or uchar4 image.
`void`	`forEach(Allocation ain, Script.LaunchOptions opt)` Process an input buffer and place the histogram into the output allocation.
`void`	`forEach(Allocation ain)` Process an input buffer and place the histogram into the output allocation.
`void`	`forEach_Dot(Allocation ain, Script.LaunchOptions opt)` Process an input buffer and place the histogram into the output allocation.
`void`	`forEach_Dot(Allocation ain)` Process an input buffer and place the histogram into the output allocation.
`Script.FieldID`	`getFieldID_Input()` Get a FieldID for the input field of this intrinsic.
`Script.KernelID`	`getKernelID_Separate()` Get a KernelID for this intrinsic kernel.
`void`	`setDotCoefficients(float r, float g, float b, float a)` Set the coefficients used for the RGBA to Luminocity calculation.
`void`	`setOutput(Allocation aout)` Set the output of the histogram.

Inherited methods

From class


  
    android.support.v8.renderscript.Script

`void`	`bindAllocation(Allocation va, int slot)` Only intended for use by generated reflected code.
`Script.FieldID`	`createFieldID(int slot, Element e)` Only to be used by generated reflected classes.
`Script.InvokeID`	`createInvokeID(int slot)` Only to be used by generated reflected classes.
`Script.KernelID`	`createKernelID(int slot, int sig, Element ein, Element eout)` Only to be used by generated reflected classes.
`void`	`forEach(int slot, Allocation ain, Allocation aout, FieldPacker v)` Only intended for use by generated reflected code.
`void`	`forEach(int slot, Allocation ain, Allocation aout, FieldPacker v, Script.LaunchOptions sc)` Only intended for use by generated reflected code.
`void`	`invoke(int slot)` Only intended for use by generated reflected code.
`void`	`invoke(int slot, FieldPacker v)` Only intended for use by generated reflected code.
`boolean`	`isIncSupp()`
`void`	`setIncSupp(boolean useInc)`
`void`	`setTimeZone(String timeZone)`
`void`	`setVar(int index, float v)` Only intended for use by generated reflected code.
`void`	`setVar(int index, FieldPacker v, Element e, int[] dims)` Only intended for use by generated reflected code.
`void`	`setVar(int index, double v)` Only intended for use by generated reflected code.
`void`	`setVar(int index, long v)` Only intended for use by generated reflected code.
`void`	`setVar(int index, boolean v)` Only intended for use by generated reflected code.
`void`	`setVar(int index, FieldPacker v)` Only intended for use by generated reflected code.
`void`	`setVar(int index, int v)` Only intended for use by generated reflected code.
`void`	`setVar(int index, BaseObj o)` Only intended for use by generated reflected code.

From class


  
    android.support.v8.renderscript.BaseObj

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.

Protected constructors

ScriptIntrinsicHistogram

ScriptIntrinsicHistogram (long id, 
                RenderScript rs)

Parameters
`id`	`long`
`rs`	`RenderScript`

Public methods

create

ScriptIntrinsicHistogram create (RenderScript rs, 
                Element e)

Create an intrinsic for calculating the histogram of an uchar or uchar4 image. Supported elements types are U8_4(RenderScript), U8_3(RenderScript), U8_2(RenderScript), U8(RenderScript)

Parameters
`rs`	`RenderScript`: The RenderScript context
`e`	`Element`: Element type for inputs

Returns
`ScriptIntrinsicHistogram`	ScriptIntrinsicHistogram

forEach

void forEach (Allocation ain, 
                Script.LaunchOptions opt)

Process an input buffer and place the histogram into the output allocation. The output allocation may be a narrower vector size than the input. In this case the vector size of the output is used to determine how many of the input channels are used in the computation. This is useful if you have an RGBA input buffer but only want the histogram for RGB. 1D and 2D input allocations are supported.

Parameters
`ain`	`Allocation`: The input image
`opt`	`Script.LaunchOptions`: LaunchOptions for clipping

forEach

void forEach (Allocation ain)

Parameters
`ain`	`Allocation`: The input image

forEach_Dot

void forEach_Dot (Allocation ain, 
                Script.LaunchOptions opt)

Process an input buffer and place the histogram into the output allocation. The dot product of the input channel and the coefficients from 'setDotCoefficients' are used to calculate the output values. 1D and 2D input allocations are supported.

Parameters
`ain`	`Allocation`: The input image
`opt`	`Script.LaunchOptions`: LaunchOptions for clipping

forEach_Dot

void forEach_Dot (Allocation ain)

Parameters
`ain`	`Allocation`: The input image

getFieldID_Input

Script.FieldID getFieldID_Input ()

Get a FieldID for the input field of this intrinsic.

Returns
`Script.FieldID`	Script.FieldID The FieldID object.

getKernelID_Separate

Script.KernelID getKernelID_Separate ()

Get a KernelID for this intrinsic kernel.

Returns
`Script.KernelID`	Script.KernelID The KernelID object.

setDotCoefficients

void setDotCoefficients (float r, 
                float g, 
                float b, 
                float a)

Set the coefficients used for the RGBA to Luminocity calculation. The default is {0.299f, 0.587f, 0.114f, 0.f}. Coefficients must be >= 0 and sum to 1.0 or less.

Parameters
`r`	`float`: Red coefficient
`g`	`float`: Green coefficient
`b`	`float`: Blue coefficient
`a`	`float`: Alpha coefficient

setOutput

void setOutput (Allocation aout)

Set the output of the histogram. 32 bit integer types are supported.

Parameters
`aout`	`Allocation`: The output allocation

Classes

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Exceptions

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ScriptIntrinsicHistogram

Summary

Protected constructors

Public methods

Inherited methods

Protected constructors

ScriptIntrinsicHistogram

Public methods

create

forEach

forEach

forEach_Dot

forEach_Dot

getFieldID_Input

getKernelID_Separate

setDotCoefficients

setOutput