c# GDI+图形处理(0001）阔方模板的制作

最新推荐文章于 2025-03-20 16:41:32 发布

原创最新推荐文章于 2025-03-20 16:41:32 发布 · 176 阅读

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本博客详细解析了一段使用C#进行图形绘制的代码，通过动态生成的15个点，创建了一个围绕中心点展开的复杂图形。代码中运用了循环和条件语句来确定每个点的位置，并用直线连接这些点，展示了如何利用基本的绘图函数实现图形的绘制。


        {
            int PointCount = 15;
            Point pCenter = new Point(200,200);
            Point pTemp = new Point();
            int distance = 50;
            Point pStart = new Point(pCenter.X + distance,200);

            Pen p = new Pen(Color.Blue, 1);
            Graphics g = e;

            g.DrawLine(p, pCenter, pStart);

            for (int i = 1; i <= PointCount - 2 ; i++)
            {
                int factor = (i)/4 + 1 ;
                switch (i % 4)
                {
                    case 1:
                        pTemp.X = pStart.X ;
                        pTemp.Y = pCenter.Y + factor * distance;
                        g.DrawLine(p,pStart,pTemp);
                        pStart = pTemp;
                        break;
                    case 2:
                        pTemp.X= pCenter.X + -factor * distance;
                        pTemp.Y = pCenter.Y + factor * distance;
                        g.DrawLine(p,pStart,pTemp);
                        pStart = pTemp;
                        break;
                    case 3:
                        pTemp.X= pCenter.X + -factor * distance;
                        pTemp.Y = pCenter.Y + -factor * distance;
                        g.DrawLine(p,pStart,pTemp);
                        pStart = pTemp;
                        break;
                    case 0:
                        pTemp.X= pCenter.X + factor * distance;
                        pTemp.Y = pCenter.Y + -(factor-1) * distance;
                        g.DrawLine(p,pStart,pTemp);
                        pStart = pTemp;
                        break;
                    default:
                        break;
                }
            
            }
            // g.DrawLine(p,200,200,200,200);  //+0 , +0 
            // g.DrawLine(p,200,200,250,200);  //+50, +0 
            // g.DrawLine(p,250,200,250,250);  //+50, +50
            // g.DrawLine(p,250,250,150,250);  //-50, +50
            // g.DrawLine(p,150,250,150,150);  //-50, -50
            // g.DrawLine(p,150,150,300,150);  //+100,-50
            // g.DrawLine(p,300,150,300,300);  //+100,+100
            // g.DrawLine(p,300,300,100,300);  //-100,+100
            // g.DrawLine(p,100,300,100,100);  //-100,-100
            // g.DrawLine(p,100,100,350,100);  //+150,-100
            // g.DrawLine(p,350,100,350,350);  //+150,+150
        }

图形效果。