[−][src]Function opencv::cudaimgproc::alpha_comp

pub fn alpha_comp(
    img1: &dyn ToInputArray, 
    img2: &dyn ToInputArray, 
    dst: &mut dyn ToOutputArray, 
    alpha_op: i32, 
    stream: &mut Stream
) -> Result<()>

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

Parameters

  • img1: First image. Supports CV_8UC4 , CV_16UC4 , CV_32SC4 and CV_32FC4 types.
  • img2: Second image. Must have the same size and the same type as img1 .
  • dst: Destination image.
  • alpha_op: Flag specifying the alpha-blending operation:
  • ALPHA_OVER
  • ALPHA_IN
  • ALPHA_OUT
  • ALPHA_ATOP
  • ALPHA_XOR
  • ALPHA_PLUS
  • ALPHA_OVER_PREMUL
  • ALPHA_IN_PREMUL
  • ALPHA_OUT_PREMUL
  • ALPHA_ATOP_PREMUL
  • ALPHA_XOR_PREMUL
  • ALPHA_PLUS_PREMUL
  • ALPHA_PREMUL
  • stream: Stream for the asynchronous version.

Note:

  • An example demonstrating the use of alphaComp can be found at opencv_source_code/samples/gpu/alpha_comp.cpp

C++ default parameters

  • stream: Stream::Null()