![](https://img2022.cnblogs.com/blog/1502586/202201/1502586-20220120221800438-786509633.png)
![](https://img2022.cnblogs.com/blog/1502586/202203/1502586-20220318212448252-1239777155.jpg)
在HDevelop中
dev_close_window ()
read_image (Image, 'D:/bb/tu/4.jpg')
rgb1_to_gray (Image, GrayImage)
edges_sub_pix (GrayImage, Edges, 'canny', 1, 5, 10)
*亚像素边缘
select_shape_xld (Edges, SelectedXLD, ['area'], 'and', [14040],[14240])
gen_polygons_xld (SelectedXLD, Polygons, 'ramer', 2)
*返回XLD轮廓近似的Polygon
*要转化的xld轮廓
*参数2:输出多边形
*参数3:近似类型
* 'ramer'
*参数4:近似阈值
get_lines_xld (Polygons, BeginRow, BeginCol, EndRow, EndCol, Length, Phi)
*返回XLD轮廓近似Polygon的数据
*参数1:XLD轮廓近似的Polygon
*参数2:线条起点的行坐标
*参数3:线条起点的列坐标
*参数4:线条终点的行坐标
*参数5:线条终点的列坐标
*参数6:线条的长度
*参数7:线条的角度
get_image_size (GrayImage, Width, Height)
dev_open_window(10,10,Width, Height,'black',WindowHandle3)
dev_display(Polygons)
![](https://img2022.cnblogs.com/blog/1502586/202203/1502586-20220318212624101-280642241.png)
![](https://img2022.cnblogs.com/blog/1502586/202203/1502586-20220318212644150-1220618993.png)
在QtCreator中
HObject ho_Image, ho_GrayImage, ho_Edges, ho_SelectedXLD;
HObject ho_Polygons;
HTuple hv_BeginRow, hv_BeginCol, hv_EndRow, hv_EndCol;
HTuple hv_Length, hv_Phi, hv_Width, hv_Height, hv_WindowHandle3;
ReadImage(&ho_Image, "D:/bb/tu/4.jpg");
Rgb1ToGray(ho_Image, &ho_GrayImage);
EdgesSubPix(ho_GrayImage, &ho_Edges, "canny", 1, 5, 10);
//亚像素边缘
SelectShapeXld(ho_Edges, &ho_SelectedXLD, "area", "and", 14040, 14240);
GenPolygonsXld(ho_SelectedXLD, &ho_Polygons, "ramer", 2);
//返回XLD轮廓近似的Polygon
//要转化的xld轮廓
//参数2:输出多边形
//参数3:近似类型
// 'ramer'
//参数4:近似阈值
GetLinesXld(ho_Polygons, &hv_BeginRow, &hv_BeginCol, &hv_EndRow, &hv_EndCol, &hv_Length,
&hv_Phi);
//返回XLD轮廓近似Polygon的数据
//参数1:XLD轮廓近似的Polygon
//参数2:线条起点的行坐标
//参数3:线条起点的列坐标
//参数4:线条终点的行坐标
//参数5:线条终点的列坐标
//参数6:线条的长度
//参数7:线条的角度
GetImageSize(ho_GrayImage, &hv_Width, &hv_Height);
SetWindowAttr("background_color","black");
OpenWindow(10,10,hv_Width,hv_Height,0,"visible","",&hv_WindowHandle3);
HDevWindowStack::Push(hv_WindowHandle3);
if (HDevWindowStack::IsOpen())
DispObj(ho_Polygons, HDevWindowStack::GetActive());
![](https://img2022.cnblogs.com/blog/1502586/202201/1502586-20220120221242675-908265425.png)