blend.h

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#ifndef OPENCV_UTIL_BLEND_H_
#define OPENCV_UTIL_BLEND_H_

#include <opencv2/core/core.hpp>

namespace swri_opencv_util {

cv::Mat blend(
    const cv::Mat& src1,
    const cv::Mat& alpha1,
    const cv::Mat& src2,
    const cv::Mat& alpha2);

cv::Mat blend(
    const cv::Mat& overlay,
    const cv::Mat& base,
    double aplha);

cv::Mat overlayColor(
    const cv::Mat& src,
    const cv::Mat& mask,
    const cv::Scalar& color,
    double alpha);
}

#endif  // OPENCV_UTIL_BLEND_H_