void Test_DrawRectangelOnImage(int _width, int _height) { Mat g_srcImage=imread("D:\\OpenCV Projects\\OpenCV_Test_Image\\7.jpg"); int width=g_srcImage.size().width;//图像的宽度 int height=g_srcImage.size().height;//图像的高度 int cols=(int)width/_width;//分区的列数 int rows=(int)height/_height;//分区的行数 Point linePointA,linePointB; //画竖线 for(int i=0;i<cols;i++) { linePointA.x=i*_width; linePointA.y=0; linePointB.x=i*_width; linePointB.y=height; line(g_srcImage,linePointA,linePointB,Scalar(255,255,255)); } //画横线 for(int i=0;i<rows;i++) { linePointA.x=0; linePointA.y=i*_height; linePointB.x=width; linePointB.y=i*_height; line(g_srcImage,linePointA,linePointB,Scalar(255,255,255)); } imshow("test",g_srcImage); }
时间: 2024-10-26 12:34:50