`using System;
using System.Drawing;
using System.Windows.Forms;
using System.Drawing.Drawing2D;
namespace IntegrationAPP
{
public partial class Form2 : Form
{
public static float MonitorDPI = 96f ;
private int originLocation = 0; //坐标原地起始位置
private int maxScaleX = 1000; //X轴最大刻度
private int maxScaleY = 1000; //Y轴最大刻度
private float scaling = 1.0F; //缩放比例
private int offSetX = 0; //X轴偏移位置
private int offSetY = 0; //Y轴偏移位置
private Font font = new Font("Arial", 9); //刻度值显示字体
private TextureBrush textureBrush;
private Bitmap bit;
int x = 0;
int y = 0;
public Form2()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
// bit = new Bitmap((int)(MonitorDPI / 25.4 * 1 * scaling) - offSetX, (int)(MonitorDPI / 25.4 * 1 * scaling) - offSetX);
Graphics g1 = CreateGraphics();
PaintEventArgs pe = new PaintEventArgs(g1, this.ClientRectangle);
RulerControl_Paint(g1,pe );
// g1.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
// g1.Dispose();
// textureBrush = new TextureBrush(bit);//使用TextureBrush可以有效减少窗体拉伸时的闪烁
}
private void RulerControl_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
int widthInmm = maxScaleX;
int heightInmm = maxScaleY;
//绘制X轴
for (int i = 0; i <= widthInmm; i++)
{
SizeF size = g.MeasureString(Convert.ToString(i), font);
float x = originLocation + (float)(MonitorDPI / 25.4 * i * scaling) - offSetX;
if (x >= originLocation)
{
PointF start = new PointF(x, originLocation);
PointF end = new PointF(x, 3);
if (i % 5 == 0)
{
end = new PointF(x, 6);
}
if (i % 10 == 0 && i != 0)
{
end = new PointF(x, 12);
g.DrawString(Convert.ToString(i), font, Brushes.Black, new PointF(x - (float)(MonitorDPI / 25.4 * Convert.ToString(i).Length * scaling), 12));
}
g.DrawLine(Pens.Black, start, end);
}
}
g.DrawLine(Pens.Black, new PointF(originLocation, originLocation), new PointF(this.Width, originLocation));
//绘制Y轴
for (int i = 0; i <= heightInmm; i++)
{
SizeF size = g.MeasureString(Convert.ToString(i), font);
float y = originLocation + (float)(MonitorDPI / 25.4 * i * scaling) - offSetY;
if (y >= originLocation)
{
PointF start = new PointF(originLocation, y);
PointF end = new PointF(3, y);
if (i % 5 == 0)
{
end = new PointF(6, y);
}
if (i % 10 == 0 && i != 0)
{
end = new PointF(12, y);
g.DrawString(Convert.ToString(i), font, Brushes.Black, new PointF(12, y - (float)(MonitorDPI / 25.4 * Convert.ToString(i).Length * scaling)));
}
g.DrawLine(Pens.Black, start, end);
}
}
g.DrawLine(Pens.Black, new PointF(originLocation, originLocation), new PointF(originLocation, this.Height));
Pen p = new Pen(Color.Gray, 1);
p.DashStyle = DashStyle.Solid;
p.DashPattern = new float[] { 1, (float)(MonitorDPI / 25.4 * 5 * scaling) - 1 };
for (int i = 0; i <= heightInmm; i += 5)
{
g.DrawLine(p, 0, (float)(MonitorDPI / 25.4 * i * scaling), 1000, (float)(MonitorDPI / 25.4 * i * scaling));
}
}
}
}
`