我正在尝试编写一个 Windows 应用程序,它显示一个带有七个不相等切片(25%、20%、18%、17%、10%、10%、10%)的饼图,所有这些切片的颜色都不同。
到目前为止,我已经制作了带有颜色的钢笔和画笔,并画了一个圆圈。
这是我到目前为止所拥有的
private void Form1_Paint(object sender, PaintEventArgs e)
{
this.BackColor = Color.White;
this.Text = "Pie Chart";
this.Width = 350;
this.Height = 350;
Pen black = new Pen(Color.Black);
Pen blue = new Pen(Color.Blue);
Pen green = new Pen(Color.Green);
Pen red = new Pen(Color.Red);
Pen orange = new Pen(Color.Orange);
Pen pink = new Pen(Color.Pink);
Pen purple = new Pen(Color.Purple);
Pen magenta = new Pen(Color.Purple);
Brush brBlue = blue.Brush;
Brush brGreen = green.Brush;
Brush brRed = red.Brush;
Brush brOrange = orange.Brush;
Brush brPink = pink.Brush;
Brush brPurple = purple.Brush;
Brush brMagenta = magenta.Brush;
Graphics g = e.Graphics;
g.DrawEllipse(black, 20, 10, 300, 300);
}
我的问题是。画馅饼的楔形最简单的方法是什么?