介绍 # include & lt; iostream>,
# include & lt; opencv2 \ \ core.hpp>核心;
# include & lt; opencv2 \ opencv.hpp>,
# include & lt; opencv2 \ highgui \ highgui.hpp>,
# include & lt; opencv2 \ contrib \ contrib.hpp>,
,
# include & lt; fstream>,
,
using namespace 简历;
using namespace 性传播疾病;
,
void DeleteRepetition (vector,,数据)
{
,vector,点,,int 填满)
{
,DeleteRepetition(点);
,if (fill ==, 1)
,{
,Point * ImgDot =, new 点(Dots.size ());
,for (int 小姐:=,0;,小姐:& lt;, Dots.size();,我+ +),{
,ImgDot[我],=,点[我];
,}
点,const *, ppt =, ImgDot;
,int npt =, Dots.size ();
,RNG 及RNG =, theRNG ();
,Scalar color =,标量(rng.uniform (100,, 255), rng.uniform (100,, 255), rng.uniform (100,, 255));
,简历::fillPoly (* src,,, ppt,,,不扩散核武器条约》,,1,,颜色);
,}
其他的,
,{
,Dots.push_back(点[0]);
,RNG 及RNG =, theRNG ();
,Scalar color =,标量(rng.uniform (100,, 255), rng.uniform (100,, 255), rng.uniform (100,, 255));
,for (int 小姐:=,0;,小姐:& lt;, Dots.size(),安康;1;,我+ +)
,{
,行(* src,,点(我),点(小姐:+,- 1),颜色,填充);
,}
,}
}
,//https://www.w3cplus.com/canvas/drawing-regular-polygons.html//http://www.cnblogs.com/xcywt/p/9456526.html//,图像,中心点,半径,边数,旋转角度,线宽
void EquilateralPolygon (Mat * src, Point 起源、,int 半径,,int 边缘,,int 旋转,,int 填满)
{
,if (brim & lt;, 3),返回;
,if (rotate 祝辞,360),返回;
,
# define PI 3.14159265
# define ROTATE_COUNT 180年
,
360年,double nAgree =,,/,边缘;,//,计算旋转角度
,double a =, radius *,因为(时间/PI 边缘);,,//,计算垂直向下的长度
,double s =, 2, *, radius *,罪(时间/PI 边缘);,//,计算边长
,
,vector点;
,Point D1, D2;=,,D1.x origin.x , +, * cos半径(-(((180年,安康;nAgree),/, 2), +,旋转),*,PI /, 180);=,,D1.y origin.y 作用;半径*罪(-(((180年,安康;nAgree),/, 2), +,旋转),*,PI /, 180);=,,D2.x origin.x , +, * cos半径(-(((180年,安康;nAgree),/, 2), +, nAgree +,旋转),*,PI /, 180);=,,D2.y origin.y 作用;半径*罪(-(((180年,安康;nAgree),/, 2), +, nAgree +,旋转),*,PI /, 180);
,
,//第一条边的两个点
,Dots.push_back (D1);
,Dots.push_back (D2);
,
,for (int 小姐:=,0;,小姐:& lt;, brim 作用;2;,我+ +)
,{
罪,double dSinRot =, ((nAgree *,(小姐:+,- 1)),*,PI /, 180);
,double dCosRot =, cos ((nAgree *,(小姐:+,- 1)),*,PI /, 180);
,int x =, origin.x +, dCosRot *, (D2.x 作用;origin.x),安康;dSinRot *, (D2.y 作用;origin.y);
,int y =, origin.y +, dSinRot *, (D2.x 作用;origin.x), +, dCosRot *, (D2.y 作用;origin.y);
,Dots.push_back(点(x, y));
,}
,模式(src,点,,填);
,Dots.clear ();
}
,
int main ()
{
,
,Mat Img =,垫::0 (800,,800,,CV_8UC3);
,Point O =,点(400,,400);
,
,圆(Img,,啊,,2,,标量(0,0,255),,1),,//中心点
,
,EquilateralPolygon(和Img,,啊,,100,,3,,0,1),,//,填充的正三角形
,EquilateralPolygon(和Img,,啊,,200,,3,,0,1),,//,不填充的正三角形
,EquilateralPolygon(和Img,,啊,,200,,3,,30日,1),,//,不填充的正三角形,顺时针旋转30度
,EquilateralPolygon(和Img,,啊,,200,,,,,,1),,//,不填充的正三角形,顺时针旋转60度
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这期内容当中小编将会给大家带来有关使用OpenCV怎么绘制一个正多边形,文章内容丰富且以专业的角度为大家分析和叙述,阅读完这篇文章希望大家可以有所收获。
具体内容如下
