C#繪制中國國旗的辦法。本站提示廣大學習愛好者：（C#繪制中國國旗的辦法）文章只能為提供參考，不一定能成為您想要的結果。以下是C#繪制中國國旗的辦法正文
本文實例講述了C#繪制中國國旗的辦法。分享給年夜家供年夜家參考。詳細以下：
法式運轉截圖：
中國國旗被界說在《GB：12982-2004》中，以下是從維基百科條目中華國民共和國國旗中截的一張圖，標出了五顆星年夜致的地位。
樹立一個空的C# Windows窗體運用法式，窗體取名FormMain，在窗體中放一個PictureBox，取名為picFlagOfChina，並將Dock屬性設置為Fill。法式代碼頂用到了窗體事宜Load和Resize，法式代碼以下：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace ChineseFlag
{
public partial class FormMain : Form
{
public FormMain()
{
InitializeComponent();
}
private void FormMain_Load(object sender, EventArgs e)
{
PaintFlag();
}
//修正窗體年夜小時產生
private void FormMain_Resize(object sender, EventArgs e)
{
PaintFlag();
}
/// <summary>
/// 在圖片框 picFlagOfChina 中繪制國旗
/// </summary>
private void PaintFlag()
{
picFlagOfChina.BackColor = Color.Red;
picFlagOfChina.Image = new Bitmap(
picFlagOfChina.Width, picFlagOfChina.Height);
Graphics g = Graphics.FromImage(picFlagOfChina.Image);
Point[] p = new Point[] { };
p = PentacleA(this.Width, this.Height);
g.FillPolygon(Brushes.Yellow, p);
p = PentacleB(this.Width, this.Height);
g.FillPolygon(Brushes.Yellow, p);
p = PentacleC(this.Width, this.Height);
g.FillPolygon(Brushes.Yellow, p);
p = PentacleD(this.Width, this.Height);
g.FillPolygon(Brushes.Yellow, p);
p = PentacleE(this.Width, this.Height);
g.FillPolygon(Brushes.Yellow, p);
}
//年夜星
private Point[] PentacleA(int width, int height)
{
return new Point[]
{
new Point((int)(width / 30.0 * 5), (int)(height / 20.0 * 2)),
new Point((int)(width / 30.0 * 5.7), (int)(height / 20.0 * 4.1)),
new Point((int)(width / 30.0 * 8), (int)(height / 20.0 * 4.1)),
new Point((int)(width / 30.0 * 6), (int)(height / 20.0 * 5.3)),
new Point((int)(width / 30.0 * 6.8), (int)(height / 20.0 * 7.3)),
new Point((int)(width / 30.0 * 5), (int)(height / 20.0 * 6.1)),
new Point((int)(width / 30.0 * 3.2), (int)(height / 20.0 * 7.3)),
new Point((int)(width / 30.0 * 4), (int)(height / 20.0 * 5.3)),
new Point((int)(width / 30.0 * 2), (int)(height / 20.0 * 4.1)),
new Point((int)(width / 30.0 * 4.3), (int)(height / 20.0 * 4.1)),
};
}
//工人星
private Point[] PentacleB(int width, int height)
{
return new Point[]
{
new Point((int)(width / 30.0 * 9.2), (int)(height / 20.0 * 2.5)),
new Point((int)(width / 30.0 * 9.6), (int)(height / 20.0 * 2)),
new Point((int)(width / 30.0 * 9.3), (int)(height / 20.0 * 1.4)),
new Point((int)(width / 30.0 * 9.95), (int)(height / 20.0 * 1.7)),
new Point((int)(width / 30.0 * 10.45), (int)(height / 20.0 * 1.1)),
new Point((int)(width / 30.0 * 10.36), (int)(height / 20.0 * 1.85)),
new Point((int)(width / 30.0 * 11), (int)(height / 20.0 * 2.1)),
new Point((int)(width / 30.0 * 10.34), (int)(height / 20.0 * 2.25)),
new Point((int)(width / 30.0 * 10.3), (int)(height / 20.0 * 2.95)),
new Point((int)(width / 30.0 * 9.9), (int)(height / 20.0 * 2.3))
};
}
//農人星
private Point[] PentacleC(int width, int height)
{
return new Point[]
{
new Point((int)(width / 30.0 * 11), (int)(height / 20.0 * 4.1)),
new Point((int)(width / 30.0 * 11.65), (int)(height / 20.0 * 3.8)),
new Point((int)(width / 30.0 * 11.55), (int)(height / 20.0 * 3.05)),
new Point((int)(width / 30.0 * 12.05), (int)(height / 20.0 * 3.6)),
new Point((int)(width / 30.0 * 12.7), (int)(height / 20.0 * 3.3)),
new Point((int)(width / 30.0 * 12.35), (int)(height / 20.0 * 3.98)),
new Point((int)(width / 30.0 * 12.9), (int)(height / 20.0 * 4.5)),
new Point((int)(width / 30.0 * 12.1), (int)(height / 20.0 * 4.3)),
new Point((int)(width / 30.0 * 11.8), (int)(height / 20.0 * 5)),
new Point((int)(width / 30.0 * 11.7), (int)(height / 20.0 * 4.2))
};
}
//小資星
private Point[] PentacleD(int width, int height)
{
return new Point[]
{
new Point((int)(width / 30.0 * 11.1), (int)(height / 20.0 * 6.7)),
new Point((int)(width / 30.0 * 11.8), (int)(height / 20.0 * 6.7)),
new Point((int)(width / 30.0 * 12), (int)(height / 20.0 * 6)),
new Point((int)(width / 30.0 * 12.2), (int)(height / 20.0 * 6.7)),
new Point((int)(width / 30.0 * 12.9), (int)(height / 20.0 * 6.7)),
new Point((int)(width / 30.0 * 12.35), (int)(height / 20.0 * 7.1)),
new Point((int)(width / 30.0 * 12.55), (int)(height / 20.0 * 7.8)),
new Point((int)(width / 30.0 * 12), (int)(height / 20.0 * 7.4)),
new Point((int)(width / 30.0 * 11.45), (int)(height / 20.0 * 7.8)),
new Point((int)(width / 30.0 * 11.65), (int)(height / 20.0 * 7.1))
};
}
//平易近資星(工人星向下平移7個單元)
private Point[] PentacleE(int width, int height)
{
return new Point[]
{
new Point((int)(width / 30.0 * 9.2), (int)(height / 20.0 * 9.5)),
new Point((int)(width / 30.0 * 9.6), (int)(height / 20.0 * 9)),
new Point((int)(width / 30.0 * 9.3), (int)(height / 20.0 * 8.4)),
new Point((int)(width / 30.0 * 9.95), (int)(height / 20.0 * 8.7)),
new Point((int)(width / 30.0 * 10.45), (int)(height / 20.0 * 8.1)),
new Point((int)(width / 30.0 * 10.36), (int)(height / 20.0 * 8.85)),
new Point((int)(width / 30.0 * 11), (int)(height / 20.0 * 9.1)),
new Point((int)(width / 30.0 * 10.34), (int)(height / 20.0 * 9.25)),
new Point((int)(width / 30.0 * 10.3), (int)(height / 20.0 * 9.95)),
new Point((int)(width / 30.0 * 9.9), (int)(height / 20.0 * 9.3))
};
}
}
}
願望本文所述對年夜家的C#法式設計有所贊助。
