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【net】图形设计
- 学无止境
- 时间:Tue Jun 02 2020 10:23:11 GMT+0800 (China Standard Time)
- 157人已阅读
简介
实验五
第一题
添加一个窗体Form1,绘制两个矩形,一个为蓝色边框,另一个为红色边框,如下图所示。
参考代码:
using System;
using System.Drawing;
using System.Windows.Forms;
namespace test_drow
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public void Form1_Paint(object sender, PaintEventArgs e)
{
Graphics gobj = this.CreateGraphics();
Rectangle rec1 = new Rectangle(20, 20, 120, 80);
float wid1 = (float) 4;
Pen pen = new Pen(Color.Blue,wid1);
Rectangle rec2 = new Rectangle(40, 40, 120, 80);
gobj.DrawRectangle(pen,rec1);
pen.Color = Color.Red;
gobj.DrawRectangle(pen,rec2);
}
}
}
运行截图:

添加一个窗体Form2,绘制两个填充饼形构成一个椭圆,如下图所示。
参考代码:
using System;
using System.Drawing;
using System.Windows.Forms;
namespace test_drow
{
public partial class Form2 : Form
{
public Form2()
{
InitializeComponent();
}
public void Form2_Paint(object sender, PaintEventArgs e)
{
Graphics gobj = this.CreateGraphics();
SolidBrush brush = new SolidBrush(Color.Blue);
gobj.FillPie(brush, 20, 20, 150, 100, 0, 300);
brush.Color = Color.Red;
gobj.FillPie(brush, 20, 20, 150, 100, 300, 60);
}
}
}
运行截图:

添加一个窗体Form3,绘制一个带边的填充椭圆,如下图所示。
using System;
using System.Drawing;
using System.Windows.Forms;
using System.Drawing.Drawing2D;
namespace test_drow
{
public partial class Form3 : Form
{
public Form3()
{
InitializeComponent();
}
public void Form3_Paint(object sender, PaintEventArgs e)
{
Graphics gobj = this.CreateGraphics();
Pen pen = new Pen(Color.Red,(float)8);
HatchBrush brush = new HatchBrush(HatchStyle.BackwardDiagonal, Color.Black,Color.Green);
gobj.DrawEllipse(pen, 20, 20, 150, 100);
gobj.FillEllipse(brush, 20, 20, 150, 100);
}
}
}
运行截图:

添加一个窗体Form4,用不同的大小字体绘制3个文本,如下图所示。
参考代码:
using System;
using System.Drawing;
using System.Windows.Forms;
namespace test_drow
{
public partial class Form4 : Form
{
public Form4()
{
InitializeComponent();
}
public void Form4_Paint(object sender, PaintEventArgs e)
{
Graphics gobj = this.CreateGraphics();
SolidBrush brush = new SolidBrush(Color.Red);
Font font = new Font("宋体", 10, FontStyle.Bold);
gobj.DrawString("中华人民共和国",font,brush,10,10);
font = new Font("宋体", 12, FontStyle.Bold);
gobj.DrawString("中华人民共和国", font, brush, 20, 25);
font = new Font("宋体", 14, FontStyle.Bold);
gobj.DrawString("中华人民共和国", font, brush, 30, 40);
}
}
}
运行截图:

第二题
创建Windows窗体应用程序,添加一个窗体Form1,添加3个命令按钮,单击时分别在窗体上画一条直线、一个形状和一个文本,如下图所示
参考代码:
using System;
using System.Drawing;
using System.Windows.Forms;
namespace test_drow
{
public partial class Form5 : Form
{
public Form5()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
Graphics gobj = this.CreateGraphics();
float wid1 = (float)1;
Pen pen = new Pen(Color.Blue, wid1);
gobj.DrawLine(pen, 45, 30, 45, 200);
}
private void button2_Click(object sender, EventArgs e)
{
Graphics gobj = this.CreateGraphics();
Pen pen = new Pen(Color.Red, (float)2);
gobj.DrawEllipse(pen, 180, 60, 120, 120);
}
private void button3_Click(object sender, EventArgs e)
{
Graphics gobj = this.CreateGraphics();
SolidBrush brush = new SolidBrush(Color.Magenta);
Font font = new Font("宋体", 15);
StringFormat form1 = new StringFormat();
form1.FormatFlags = StringFormatFlags.DirectionVertical;
gobj.DrawString("六一快乐", font, brush, 400, 70, form1);
}
}
}
运行截图:

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