vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

2026-08-22 00:11:13 +08:00
commit 12022378a3
3872 changed files with 2513409 additions and 0 deletions
@@ -0,0 +1,41 @@
+#include <opencv2/highgui.hpp>
+#include <opencv2/plot.hpp>
+#include <iostream>
+
+using namespace cv;
+
+int main()
+{
+    Mat data_x( 1, 51, CV_64F );
+    Mat data_y( 1, 51, CV_64F );
+
+    for ( int i = 0; i < data_x.cols; i++ )
+    {
+        double x = ( i - data_x.cols / 2 );
+        data_x.at<double>( 0, i ) = x;
+        data_y.at<double>( 0, i ) = x * x * x;
+    }
+
+    std::cout << "data_x : " << data_x << std::endl;
+    std::cout << "data_y : " << data_y << std::endl;
+
+    Mat plot_result;
+
+    Ptr<plot::Plot2d> plot = plot::Plot2d::create( data_x, data_y );
+    plot->render(plot_result);
+
+    imshow( "The plot rendered with default visualization options", plot_result );
+
+    plot->setShowText( false );
+    plot->setShowGrid( false );
+    plot->setPlotBackgroundColor( Scalar( 255, 200, 200 ) );
+    plot->setPlotLineColor( Scalar( 255, 0, 0 ) );
+    plot->setPlotLineWidth( 2 );
+    plot->setInvertOrientation( true );
+    plot->render( plot_result );
+
+    imshow( "The plot rendered with some of custom visualization options", plot_result );
+    waitKey();
+
+    return 0;
+}