#include <Origin.h>
#include <../OriginLab/opencv.h>
void test_crop()
{
Worksheet wks = Project.ActiveLayer();
if (wks) {
ocvMat mat;
if (wks.GetAttachedPicture(0,0,mat)) {
RECT rect;
rect.left = rect.top = 0;
rect.right = mat.cols / 2;
rect.bottom = mat.rows / 2;
mat.Crop(rect);
wks.SetAttachedPicture(0,0,mat);
wks.GetPage().Refresh();
}
}
}