opecv基本繪圖
阿新 • • 發佈:2018-11-26
#include <iostream> #include <opencv2/highgui.hpp> #include <cv.h> #include <imgproc/imgproc.hpp> #include <core/core.hpp> #include <highgui.h> #include <vector> #include <opencv2/objdetect/objdetect.hpp> #define w 400 using namespace std; using namespace cv; void MyEllipse(Mat img, double angle); void MyFilledCircle(Mat img, Point center); void MyPolygon(Mat img); void MyLine(Mat img, Point start, Point end); int main() { char atom_window[] = "Drawing 1:Atom"; char rook_window[] = "Drawing 2:Rook"; Mat atom_image = Mat::zeros(w, w, CV_8UC3); Mat rook_image = Mat::zeros(w, w, CV_8UC3); //tuoyuan MyEllipse(atom_image, 90); MyEllipse(atom_image, 0); MyEllipse(atom_image, -45); MyEllipse(atom_image, 45); MyFilledCircle(atom_image, Point(w / 2, w / 2)); MyPolygon(rook_image); rectangle(rook_image, Point(0, 7 * w / 8),Point(w,w),Scalar(0,255,255),-1,8); MyLine(rook_image, Point(0, 15 * w / 16), Point(w, 15 * w / 16)); MyLine(rook_image, Point(w / 4, 7 * w / 8), Point(w / 4, w)); MyLine(rook_image, Point(w / 2, 7 * w / 8), Point(w / 2, w)); MyLine(rook_image, Point(3 * w / 4, 7 * w / 8), Point(3 * w / 4, w)); imshow(atom_window, atom_image); moveWindow(atom_window, 0, 200); imshow(rook_window, rook_image); moveWindow(rook_window, w, 200); waitKey(); return 0; } void MyEllipse(Mat img,double angle) { int thickness = 2; int lineType = 8; ellipse(img, Point(w / 2, w / 2),Size(w/4,w/16),angle,0,360,Scalar(255,0,0),thickness,lineType); } void MyFilledCircle(Mat img, Point center) { int thickness = 2; int lineType = 1; circle(img, center, w / 32, Scalar(43,219, 255), thickness, lineType); } void MyPolygon(Mat img) { int lineType = 8; Point rook_points[1][20]; rook_points[0][0] = Point(w / 4, 7 * w / 8); rook_points[0][1] = Point(3 * w / 4, 7 * w / 8); rook_points[0][2] = Point(3 * w / 4, 13 * w / 16); rook_points[0][3] = Point(11 * w / 16, 13 * w / 16); rook_points[0][4] = Point(19 * w / 32, 3 * w / 8); rook_points[0][5] = Point(3 * w / 4, 3*w / 8); rook_points[0][6] = Point(3 * w / 4, w / 8); rook_points[0][7] = Point(26 * w / 40, w / 8); rook_points[0][8] = Point(26 * w / 40, w / 4); rook_points[0][9] = Point(22 * w / 40, w / 4); rook_points[0][10] = Point(22 * w / 40, w / 8); rook_points[0][11] = Point(18 * w / 40, w / 8); rook_points[0][12] = Point(18 * w / 40, w / 4); rook_points[0][13] = Point(14 * w / 40, w / 4); rook_points[0][14] = Point(14 * w / 40, w / 8); rook_points[0][15] = Point(w / 4, w / 8); rook_points[0][16] = Point(w / 4, 3 * w / 8); rook_points[0][17] = Point(13 * w / 32, 3 * w / 8); rook_points[0][18] = Point(5 * w / 16, 13 * w / 16); rook_points[0][19] = Point(w / 4, 13 * w / 16); const Point*ppt[1] = { rook_points[0] }; int npt[] = { 20 }; fillPoly(img, ppt, npt, 1, Scalar(255, 255, 255), lineType); } void MyLine(Mat img, Point start, Point end) { int thickness = 2; int lineTyep = 8; line(img, start, end, Scalar(0, 0, 0), thickness, lineTyep); }