调整背景色透明度

11 months ago · f830ac4d30
parent 15ff504a9b
commit f830ac4d30
1 changed files with 1 additions and 1 deletions
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@ -1579,7 +1579,7 @@ bool CPhoneDevice::OnImageReady(cv::Mat& mat)
    }
    cv::Mat roi = mat(cv::Rect(lt2, rb));
    cv::Mat clrMat(roi.size(), CV_8UC3, scalarWhite);
-    double alpha = 0.2;
+    double alpha = 0.5;
    cv::addWeighted(clrMat, alpha, roi, 1.0 - alpha, 0.0, roi);

    // cv::rectangle(mat, lt2, rb,cv::Scalar(255, 255, 255), -1);