NVIDIA 2D Image And Signal Performance Primitives (NPP)  Version 11.7.1.*
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Functions
AlphaComp
Alpha Composition

Composite two images using alpha opacity values contained in each image. More...

Functions

NppStatus  nppiAlphaComp_8u_AC1R_Ctx (const Npp8u *pSrc1, int nSrc1Step, const Npp8u *pSrc2, int nSrc2Step, Npp8u *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp, NppStreamContext nppStreamCtx)
  One 8-bit unsigned char channel image composition using image alpha values (0 - max channel pixel value). More...
 
NppStatus  nppiAlphaComp_8u_AC1R (const Npp8u *pSrc1, int nSrc1Step, const Npp8u *pSrc2, int nSrc2Step, Npp8u *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp)
 
NppStatus  nppiAlphaComp_8u_AC4R_Ctx (const Npp8u *pSrc1, int nSrc1Step, const Npp8u *pSrc2, int nSrc2Step, Npp8u *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp, NppStreamContext nppStreamCtx)
  Four 8-bit unsigned char channel image composition using image alpha values (0 - max channel pixel value). More...
 
NppStatus  nppiAlphaComp_8u_AC4R (const Npp8u *pSrc1, int nSrc1Step, const Npp8u *pSrc2, int nSrc2Step, Npp8u *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp)
 
NppStatus  nppiAlphaComp_8s_AC1R_Ctx (const Npp8s *pSrc1, int nSrc1Step, const Npp8s *pSrc2, int nSrc2Step, Npp8s *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp, NppStreamContext nppStreamCtx)
  One 8-bit signed char channel image composition using image alpha values (0 - max channel pixel value). More...
 
NppStatus  nppiAlphaComp_8s_AC1R (const Npp8s *pSrc1, int nSrc1Step, const Npp8s *pSrc2, int nSrc2Step, Npp8s *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp)
 
NppStatus  nppiAlphaComp_16u_AC1R_Ctx (const Npp16u *pSrc1, int nSrc1Step, const Npp16u *pSrc2, int nSrc2Step, Npp16u *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp, NppStreamContext nppStreamCtx)
  One 16-bit unsigned short channel image composition using image alpha values (0 - max channel pixel value). More...
 
NppStatus  nppiAlphaComp_16u_AC1R (const Npp16u *pSrc1, int nSrc1Step, const Npp16u *pSrc2, int nSrc2Step, Npp16u *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp)
 
NppStatus  nppiAlphaComp_16u_AC4R_Ctx (const Npp16u *pSrc1, int nSrc1Step, const Npp16u *pSrc2, int nSrc2Step, Npp16u *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp, NppStreamContext nppStreamCtx)
  Four 16-bit unsigned short channel image composition using image alpha values (0 - max channel pixel value). More...
 
NppStatus  nppiAlphaComp_16u_AC4R (const Npp16u *pSrc1, int nSrc1Step, const Npp16u *pSrc2, int nSrc2Step, Npp16u *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp)
 
NppStatus  nppiAlphaComp_16s_AC1R_Ctx (const Npp16s *pSrc1, int nSrc1Step, const Npp16s *pSrc2, int nSrc2Step, Npp16s *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp, NppStreamContext nppStreamCtx)
  One 16-bit signed short channel image composition using image alpha values (0 - max channel pixel value). More...
 
NppStatus  nppiAlphaComp_16s_AC1R (const Npp16s *pSrc1, int nSrc1Step, const Npp16s *pSrc2, int nSrc2Step, Npp16s *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp)
 
NppStatus  nppiAlphaComp_32u_AC1R_Ctx (const Npp32u *pSrc1, int nSrc1Step, const Npp32u *pSrc2, int nSrc2Step, Npp32u *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp, NppStreamContext nppStreamCtx)
  One 32-bit unsigned integer channel image composition using image alpha values (0 - max channel pixel value). More...
 
NppStatus  nppiAlphaComp_32u_AC1R (const Npp32u *pSrc1, int nSrc1Step, const Npp32u *pSrc2, int nSrc2Step, Npp32u *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp)
 
NppStatus  nppiAlphaComp_32u_AC4R_Ctx (const Npp32u *pSrc1, int nSrc1Step, const Npp32u *pSrc2, int nSrc2Step, Npp32u *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp, NppStreamContext nppStreamCtx)
  Four 32-bit unsigned integer channel image composition using image alpha values (0 - max channel pixel value). More...
 
NppStatus  nppiAlphaComp_32u_AC4R (const Npp32u *pSrc1, int nSrc1Step, const Npp32u *pSrc2, int nSrc2Step, Npp32u *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp)
 
NppStatus  nppiAlphaComp_32s_AC1R_Ctx (const Npp32s *pSrc1, int nSrc1Step, const Npp32s *pSrc2, int nSrc2Step, Npp32s *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp, NppStreamContext nppStreamCtx)
  One 32-bit signed integer channel image composition using image alpha values (0 - max channel pixel value). More...
 
NppStatus  nppiAlphaComp_32s_AC1R (const Npp32s *pSrc1, int nSrc1Step, const Npp32s *pSrc2, int nSrc2Step, Npp32s *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp)
 
NppStatus  nppiAlphaComp_32s_AC4R_Ctx (const Npp32s *pSrc1, int nSrc1Step, const Npp32s *pSrc2, int nSrc2Step, Npp32s *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp, NppStreamContext nppStreamCtx)
  Four 32-bit signed integer channel image composition using image alpha values (0 - max channel pixel value). More...
 
NppStatus  nppiAlphaComp_32s_AC4R (const Npp32s *pSrc1, int nSrc1Step, const Npp32s *pSrc2, int nSrc2Step, Npp32s *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp)
 
NppStatus  nppiAlphaComp_32f_AC1R_Ctx (const Npp32f *pSrc1, int nSrc1Step, const Npp32f *pSrc2, int nSrc2Step, Npp32f *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp, NppStreamContext nppStreamCtx)
  One 32-bit floating point channel image composition using image alpha values (0.0 - 1.0). More...
 
NppStatus  nppiAlphaComp_32f_AC1R (const Npp32f *pSrc1, int nSrc1Step, const Npp32f *pSrc2, int nSrc2Step, Npp32f *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp)
 
NppStatus  nppiAlphaComp_32f_AC4R_Ctx (const Npp32f *pSrc1, int nSrc1Step, const Npp32f *pSrc2, int nSrc2Step, Npp32f *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp, NppStreamContext nppStreamCtx)
  Four 32-bit floating point channel image composition using image alpha values (0.0 - 1.0). More...
 
NppStatus  nppiAlphaComp_32f_AC4R (const Npp32f *pSrc1, int nSrc1Step, const Npp32f *pSrc2, int nSrc2Step, Npp32f *pDst, int nDstStep, NppiSize oSizeROI, NppiAlphaOp eAlphaOp)
 

Detailed Description

Composite two images using alpha opacity values contained in each image.

Function Documentation

NppStatus nppiAlphaComp_16s_AC1R ( const Npp16s *  pSrc1,
int  nSrc1Step,
const Npp16s *  pSrc2,
int  nSrc2Step,
Npp16s *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp 
)
NppStatus nppiAlphaComp_16s_AC1R_Ctx ( const Npp16s *  pSrc1,
int  nSrc1Step,
const Npp16s *  pSrc2,
int  nSrc2Step,
Npp16s *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp,
NppStreamContext  nppStreamCtx 
)

One 16-bit signed short channel image composition using image alpha values (0 - max channel pixel value).

Parameters
pSrc1 Source-Image Pointer.
nSrc1Step Source-Image Line Step.
pSrc2 Source-Image Pointer.
nSrc2Step Source-Image Line Step.
pDst Destination-Image Pointer.
nDstStep Destination-Image Line Step.
oSizeROI Region-of-Interest (ROI).
eAlphaOp alpha-blending operation..
nppStreamCtx Application Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiAlphaComp_16u_AC1R ( const Npp16u *  pSrc1,
int  nSrc1Step,
const Npp16u *  pSrc2,
int  nSrc2Step,
Npp16u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp 
)
NppStatus nppiAlphaComp_16u_AC1R_Ctx ( const Npp16u *  pSrc1,
int  nSrc1Step,
const Npp16u *  pSrc2,
int  nSrc2Step,
Npp16u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp,
NppStreamContext  nppStreamCtx 
)

One 16-bit unsigned short channel image composition using image alpha values (0 - max channel pixel value).

Parameters
pSrc1 Source-Image Pointer.
nSrc1Step Source-Image Line Step.
pSrc2 Source-Image Pointer.
nSrc2Step Source-Image Line Step.
pDst Destination-Image Pointer.
nDstStep Destination-Image Line Step.
oSizeROI Region-of-Interest (ROI).
eAlphaOp alpha-blending operation..
nppStreamCtx Application Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiAlphaComp_16u_AC4R ( const Npp16u *  pSrc1,
int  nSrc1Step,
const Npp16u *  pSrc2,
int  nSrc2Step,
Npp16u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp 
)
NppStatus nppiAlphaComp_16u_AC4R_Ctx ( const Npp16u *  pSrc1,
int  nSrc1Step,
const Npp16u *  pSrc2,
int  nSrc2Step,
Npp16u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp,
NppStreamContext  nppStreamCtx 
)

Four 16-bit unsigned short channel image composition using image alpha values (0 - max channel pixel value).

Parameters
pSrc1 Source-Image Pointer.
nSrc1Step Source-Image Line Step.
pSrc2 Source-Image Pointer.
nSrc2Step Source-Image Line Step.
pDst Destination-Image Pointer.
nDstStep Destination-Image Line Step.
oSizeROI Region-of-Interest (ROI).
eAlphaOp alpha-blending operation..
nppStreamCtx Application Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiAlphaComp_32f_AC1R ( const Npp32f *  pSrc1,
int  nSrc1Step,
const Npp32f *  pSrc2,
int  nSrc2Step,
Npp32f *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp 
)
NppStatus nppiAlphaComp_32f_AC1R_Ctx ( const Npp32f *  pSrc1,
int  nSrc1Step,
const Npp32f *  pSrc2,
int  nSrc2Step,
Npp32f *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp,
NppStreamContext  nppStreamCtx 
)

One 32-bit floating point channel image composition using image alpha values (0.0 - 1.0).

Parameters
pSrc1 Source-Image Pointer.
nSrc1Step Source-Image Line Step.
pSrc2 Source-Image Pointer.
nSrc2Step Source-Image Line Step.
pDst Destination-Image Pointer.
nDstStep Destination-Image Line Step.
oSizeROI Region-of-Interest (ROI).
eAlphaOp alpha-blending operation..
nppStreamCtx Application Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiAlphaComp_32f_AC4R ( const Npp32f *  pSrc1,
int  nSrc1Step,
const Npp32f *  pSrc2,
int  nSrc2Step,
Npp32f *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp 
)
NppStatus nppiAlphaComp_32f_AC4R_Ctx ( const Npp32f *  pSrc1,
int  nSrc1Step,
const Npp32f *  pSrc2,
int  nSrc2Step,
Npp32f *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp,
NppStreamContext  nppStreamCtx 
)

Four 32-bit floating point channel image composition using image alpha values (0.0 - 1.0).

Parameters
pSrc1 Source-Image Pointer.
nSrc1Step Source-Image Line Step.
pSrc2 Source-Image Pointer.
nSrc2Step Source-Image Line Step.
pDst Destination-Image Pointer.
nDstStep Destination-Image Line Step.
oSizeROI Region-of-Interest (ROI).
eAlphaOp alpha-blending operation..
nppStreamCtx Application Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiAlphaComp_32s_AC1R ( const Npp32s *  pSrc1,
int  nSrc1Step,
const Npp32s *  pSrc2,
int  nSrc2Step,
Npp32s *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp 
)
NppStatus nppiAlphaComp_32s_AC1R_Ctx ( const Npp32s *  pSrc1,
int  nSrc1Step,
const Npp32s *  pSrc2,
int  nSrc2Step,
Npp32s *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp,
NppStreamContext  nppStreamCtx 
)

One 32-bit signed integer channel image composition using image alpha values (0 - max channel pixel value).

Parameters
pSrc1 Source-Image Pointer.
nSrc1Step Source-Image Line Step.
pSrc2 Source-Image Pointer.
nSrc2Step Source-Image Line Step.
pDst Destination-Image Pointer.
nDstStep Destination-Image Line Step.
oSizeROI Region-of-Interest (ROI).
eAlphaOp alpha-blending operation..
nppStreamCtx Application Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiAlphaComp_32s_AC4R ( const Npp32s *  pSrc1,
int  nSrc1Step,
const Npp32s *  pSrc2,
int  nSrc2Step,
Npp32s *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp 
)
NppStatus nppiAlphaComp_32s_AC4R_Ctx ( const Npp32s *  pSrc1,
int  nSrc1Step,
const Npp32s *  pSrc2,
int  nSrc2Step,
Npp32s *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp,
NppStreamContext  nppStreamCtx 
)

Four 32-bit signed integer channel image composition using image alpha values (0 - max channel pixel value).

Parameters
pSrc1 Source-Image Pointer.
nSrc1Step Source-Image Line Step.
pSrc2 Source-Image Pointer.
nSrc2Step Source-Image Line Step.
pDst Destination-Image Pointer.
nDstStep Destination-Image Line Step.
oSizeROI Region-of-Interest (ROI).
eAlphaOp alpha-blending operation..
nppStreamCtx Application Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiAlphaComp_32u_AC1R ( const Npp32u *  pSrc1,
int  nSrc1Step,
const Npp32u *  pSrc2,
int  nSrc2Step,
Npp32u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp 
)
NppStatus nppiAlphaComp_32u_AC1R_Ctx ( const Npp32u *  pSrc1,
int  nSrc1Step,
const Npp32u *  pSrc2,
int  nSrc2Step,
Npp32u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp,
NppStreamContext  nppStreamCtx 
)

One 32-bit unsigned integer channel image composition using image alpha values (0 - max channel pixel value).

Parameters
pSrc1 Source-Image Pointer.
nSrc1Step Source-Image Line Step.
pSrc2 Source-Image Pointer.
nSrc2Step Source-Image Line Step.
pDst Destination-Image Pointer.
nDstStep Destination-Image Line Step.
oSizeROI Region-of-Interest (ROI).
eAlphaOp alpha-blending operation..
nppStreamCtx Application Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiAlphaComp_32u_AC4R ( const Npp32u *  pSrc1,
int  nSrc1Step,
const Npp32u *  pSrc2,
int  nSrc2Step,
Npp32u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp 
)
NppStatus nppiAlphaComp_32u_AC4R_Ctx ( const Npp32u *  pSrc1,
int  nSrc1Step,
const Npp32u *  pSrc2,
int  nSrc2Step,
Npp32u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp,
NppStreamContext  nppStreamCtx 
)

Four 32-bit unsigned integer channel image composition using image alpha values (0 - max channel pixel value).

Parameters
pSrc1 Source-Image Pointer.
nSrc1Step Source-Image Line Step.
pSrc2 Source-Image Pointer.
nSrc2Step Source-Image Line Step.
pDst Destination-Image Pointer.
nDstStep Destination-Image Line Step.
oSizeROI Region-of-Interest (ROI).
eAlphaOp alpha-blending operation..
nppStreamCtx Application Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiAlphaComp_8s_AC1R ( const Npp8s *  pSrc1,
int  nSrc1Step,
const Npp8s *  pSrc2,
int  nSrc2Step,
Npp8s *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp 
)
NppStatus nppiAlphaComp_8s_AC1R_Ctx ( const Npp8s *  pSrc1,
int  nSrc1Step,
const Npp8s *  pSrc2,
int  nSrc2Step,
Npp8s *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp,
NppStreamContext  nppStreamCtx 
)

One 8-bit signed char channel image composition using image alpha values (0 - max channel pixel value).

Parameters
pSrc1 Source-Image Pointer.
nSrc1Step Source-Image Line Step.
pSrc2 Source-Image Pointer.
nSrc2Step Source-Image Line Step.
pDst Destination-Image Pointer.
nDstStep Destination-Image Line Step.
oSizeROI Region-of-Interest (ROI).
eAlphaOp alpha-blending operation..
nppStreamCtx Application Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiAlphaComp_8u_AC1R ( const Npp8u *  pSrc1,
int  nSrc1Step,
const Npp8u *  pSrc2,
int  nSrc2Step,
Npp8u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp 
)
NppStatus nppiAlphaComp_8u_AC1R_Ctx ( const Npp8u *  pSrc1,
int  nSrc1Step,
const Npp8u *  pSrc2,
int  nSrc2Step,
Npp8u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp,
NppStreamContext  nppStreamCtx 
)

One 8-bit unsigned char channel image composition using image alpha values (0 - max channel pixel value).

Parameters
pSrc1 Source-Image Pointer.
nSrc1Step Source-Image Line Step.
pSrc2 Source-Image Pointer.
nSrc2Step Source-Image Line Step.
pDst Destination-Image Pointer.
nDstStep Destination-Image Line Step.
oSizeROI Region-of-Interest (ROI).
eAlphaOp alpha-blending operation..
nppStreamCtx Application Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiAlphaComp_8u_AC4R ( const Npp8u *  pSrc1,
int  nSrc1Step,
const Npp8u *  pSrc2,
int  nSrc2Step,
Npp8u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp 
)
NppStatus nppiAlphaComp_8u_AC4R_Ctx ( const Npp8u *  pSrc1,
int  nSrc1Step,
const Npp8u *  pSrc2,
int  nSrc2Step,
Npp8u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppiAlphaOp  eAlphaOp,
NppStreamContext  nppStreamCtx 
)

Four 8-bit unsigned char channel image composition using image alpha values (0 - max channel pixel value).

Parameters
pSrc1 Source-Image Pointer.
nSrc1Step Source-Image Line Step.
pSrc2 Source-Image Pointer.
nSrc2Step Source-Image Line Step.
pDst Destination-Image Pointer.
nDstStep Destination-Image Line Step.
oSizeROI Region-of-Interest (ROI).
eAlphaOp alpha-blending operation..
nppStreamCtx Application Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes