有人可以告诉我如何计算图片上图形对象的像素数

问题描述

我无法获得图片上存在的曲线对象的像素数



我尝试过的事情：

i can't get number of pixels in curve object that exists on a picture

What I have tried:

Pen mypen = new Pen(Color.Red,10);
                Point[] arrayPoints = new Point[asistant.NumberOfShapes()];

                // assistant is a list of points
                for(int i =0 ; i < assistant.NumberOfShapes(); i++)
                {
                    arrayPoints[i]= asistant.GetShape(i).Location;
                }

                e.Graphics.DrawClosedCurve(mypen,arrayPoints);

推荐答案

Pen mypen = new Pen(Color.Red,10);
               Point[] arrayPoints = new Point[asistant.NumberOfShapes()];

               for(int i =0 ; i < asistant.NumberOfShapes(); i++)
               {
                   arrayPoints[i]= asistant.GetShape(i).Location;
               }
               e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
               e.Graphics.DrawClosedCurve(mypen,arrayPoints);

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