Class NPPNativeMethods.NPPi.AlphaPremul

Premultiplies image pixels by image alpha opacity values.

Inheritance

System.Object

NPPNativeMethods.NPPi.AlphaPremul

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: ManagedCuda.NPP

Assembly: NPP.dll

Syntax

public static class AlphaPremul

Methods

nppiAlphaPremul_16u_AC4IR(CUdeviceptr, Int32, NppiSize)

Four 16-bit unsigned short channel in place image premultiplication with pixel alpha (0 - max channel pixel value).

Declaration

public static NppStatus nppiAlphaPremul_16u_AC4IR(CUdeviceptr pSrcDst, int nSrcDstStep, NppiSize oSizeROI)

Parameters

Type	Name	Description
CUdeviceptr	pSrcDst	In-Place Image Pointer.
System.Int32	nSrcDstStep	In-Place Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiAlphaPremul_16u_AC4R(CUdeviceptr, Int32, CUdeviceptr, Int32, NppiSize)

Four 16-bit unsigned short channel image premultiplication with pixel alpha (0 - max channel pixel value).

Declaration

public static NppStatus nppiAlphaPremul_16u_AC4R(CUdeviceptr pSrc1, int nSrc1Step, CUdeviceptr pDst, int nDstStep, NppiSize oSizeROI)

Parameters

Type	Name	Description
CUdeviceptr	pSrc1	Source-Image Pointer.
System.Int32	nSrc1Step	Source-Image Line Step.
CUdeviceptr	pDst	Destination-Image Pointer.
System.Int32	nDstStep	Destination-Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiAlphaPremul_8u_AC4IR(CUdeviceptr, Int32, NppiSize)

Four 8-bit unsigned char channel in place image premultiplication with pixel alpha (0 - max channel pixel value).

Declaration

public static NppStatus nppiAlphaPremul_8u_AC4IR(CUdeviceptr pSrcDst, int nSrcDstStep, NppiSize oSizeROI)

Parameters

Type	Name	Description
CUdeviceptr	pSrcDst	In-Place Image Pointer.
System.Int32	nSrcDstStep	In-Place Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError

nppiAlphaPremul_8u_AC4R(CUdeviceptr, Int32, CUdeviceptr, Int32, NppiSize)

Four 8-bit unsigned char channel image premultiplication with pixel alpha (0 - max channel pixel value).

Declaration

public static NppStatus nppiAlphaPremul_8u_AC4R(CUdeviceptr pSrc1, int nSrc1Step, CUdeviceptr pDst, int nDstStep, NppiSize oSizeROI)

Parameters

Type	Name	Description
CUdeviceptr	pSrc1	Source-Image Pointer.
System.Int32	nSrc1Step	Source-Image Line Step.
CUdeviceptr	pDst	Destination-Image Pointer.
System.Int32	nDstStep	Destination-Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).

Returns

Type	Description
NppStatus	StepError, NotEvenStepError, NullPointerError, AlignmentError, StepError, SizeError