导入坐标，生成可缩放位图，元件可选择等功能-优快云博客

public partial class FormChart : Form
{
private ComponentCanvas canvas;

public FormChart()
{
InitializeComponent();
InitializeCanvas();
//CreateSampleData();

this.Shown += FormChart_Shown;
}

private void FormChart_Shown(object sender, EventArgs e)
{
SqlHelper.SQL.ConnectSqlSever("127.0.0.1", "FAI_New", "FAILogin", "123456");
DataTable dataTable = SqlHelper.SQL.Excute("select * from Eng_XYData where ProductCode ='1212'");
List<Component> components = new List<Component>();
foreach (DataRow row in dataTable.Rows)
{
try
{
if (row.ItemArray.Length > 10)
{
Size size = new Size(86, 55);
Color color = Color.HotPink;
if (row.ItemArray[6].ToString().Contains("01005"))
{
size = new Size(16, 9);
color = Color.BlueViolet;
}
else if (row.ItemArray[6].ToString().Contains("0201"))
{
size = new Size(25, 13);
color = Color.DarkCyan;
}
else if (row.ItemArray[6].ToString().Contains("0402"))
{
size = new Size(43, 23);
color = Color.Blue;
}
else if (row.ItemArray[6].ToString().Contains("0603"))
{
size = new Size(68, 37);
color = Color.Aquamarine;
}
else if (row.ItemArray[6].ToString().Contains("0805"))
{
size = new Size(86, 55);
color = Color.Cyan;
}
else if (row.ItemArray[6].ToString().Contains("1206"))
{
size = new Size(133, 68);
color = Color.Brown;
}
else if (row.ItemArray[1].ToString().ToUpper().Contains("MARK"))
{
size = new Size(68, 37);
color = Color.DarkGreen;
}
string _x = row.ItemArray[7].ToString();
string _y = row.ItemArray[8].ToString();

if (float.TryParse(_x.Trim().ToString(), out float x) && float.TryParse(_y.Trim().ToString(), out float y))
{
float angle = 0;
if (float.TryParse(row.ItemArray[10].ToString(), out
angle))
{

}
Component component = new Component(row.ItemArray[1].ToString(), new PointF(x * Component.radio, (-y) * Component.radio), new SizeF(size.Width * Component.radio / 25.0f, size.Height * Component.radio / 25.0f), angle, "null", color);
components.Add(component);
}
}
}
catch (Exception)
{

}
}
canvas.Components = components;
canvas.FitToView();

double width = Width;
double height = Height;
}

private void InitializeCanvas()
{
canvas = new ComponentCanvas
{
Dock = DockStyle.Fill
};

canvas.ComponentDoubleClick += Canvas_ComponentDoubleClick;
this.Controls.Add(canvas);

// 添加工具栏
AddToolbar();
}

private void AddToolbar()
{
ToolStrip toolStrip = new ToolStrip();

// // 缩放控制
ToolStripLabel scaleLabel = new ToolStripLabel("缩放:");
ToolStripTextBox scaleBox = new ToolStripTextBox();
scaleBox.Text = "100%";
scaleBox.Width = 60;
scaleBox.KeyPress += (s, e) =>
{
if (e.KeyChar == (char)Keys.Enter)
{
if (scaleBox.Text.EndsWith("%"))
{
string percentStr = scaleBox.Text.TrimEnd('%');
if (float.TryParse(percentStr, out float percent))
{
canvas.Scale = percent / 100.0f;
}
}
}
};
ToolStripButton toolStrip1 = new ToolStripButton("重置视图");
toolStrip1.Click += (s, e) => canvas.ResetView();
ToolStripButton toolStrip2 = new ToolStripButton("适合视图");
toolStrip2.Click += (s, e) => canvas.FitToView();
ToolStripButton toolStrip3 = new ToolStripButton("水平X镜像");//原点X轴对称
toolStrip3.Click += (s, e) =>
{
for (int i = 0; i < canvas.Components.Count; i++)
{
canvas.Components[i].Position = new PointF(-canvas.Components[i].Position.X, canvas.Components[i].Position.Y);
}
canvas.FitToView();
};
ToolStripButton toolStrip4 = new ToolStripButton("水平Y镜像");//原点Y轴对称
toolStrip4.Click += (s, e) =>
{
for (int i = 0; i < canvas.Components.Count; i++)
{
canvas.Components[i].Position = new PointF(canvas.Components[i].Position.X, -canvas.Components[i].Position.Y);
}
canvas.FitToView();
};

ToolStripButton toolStrip5 = new ToolStripButton("逆时针90");
toolStrip5.Click += (s, e) =>
{
for (int i = 0; i < canvas.Components.Count; i++)
{
canvas.RotateCounterClockwise90(canvas.Components[i].Position.X, canvas.Components[i].Position.Y, out double x1, out double y1);
canvas.Components[i].Position = new PointF((float)x1, (float)y1);
}
canvas.FitToView();
};
ToolStripButton toolStrip6 = new ToolStripButton("顺时针90");
toolStrip6.Click += (s, e) =>
{
for (int i = 0; i < canvas.Components.Count; i++)
{
canvas.RotateClockwise90(canvas.Components[i].Position.X, canvas.Components[i].Position.Y, out double x1, out double y1);
canvas.Components[i].Position = new PointF((float)x1, (float)y1);
}
canvas.FitToView();
};

ToolStripButton toolStrip7 = new ToolStripButton("旋转180");
toolStrip7.Click += (s, e) =>
{
for (int i = 0; i < canvas.Components.Count; i++)
{
canvas.Components[i].Position = new PointF(-canvas.Components[i].Position.X, -canvas.Components[i].Position.Y);
}
canvas.FitToView();
};

ToolStripButton toolStrip8 = new ToolStripButton("元件水平X镜像");
toolStrip8.Click += (s, e) =>
{
for (int i = 0; i < canvas.Components.Count; i++)
{
if (Math.Abs(Math.Sin(canvas.Components[i].Angle)) != 1)
{
canvas.Components[i].Angle = 180 - canvas.Components[i].Angle;
}
}
canvas.FitToView();
};
ToolStripButton toolStrip9 = new ToolStripButton("元件水平Y镜像");
toolStrip9.Click += (s, e) =>
{
for (int i = 0; i < canvas.Components.Count; i++)
{
if (Math.Abs(Math.Sin(canvas.Components[i].Angle)) != 0)
{
canvas.Components[i].Angle = 360 - canvas.Components[i].Angle;
//if (Math.Abs(Math.Sin(canvas.Components[i].Angle)) == 1)
// canvas.Components[i].Angle = canvas.Components[i].Angle - 180;
//else
//{
// canvas.Components[i].Angle = canvas.Components[i].Angle - 180;
//}
}
}
canvas.FitToView();
};

ToolStripButton toolStrip10 = new ToolStripButton("元件逆时针90");
toolStrip10.Click += (s, e) =>
{
for (int i = 0; i < canvas.Components.Count; i++)
{
canvas.Components[i].Angle = canvas.Components[i].Angle - 90;
}
canvas.FitToView();
};
ToolStripButton toolStrip11 = new ToolStripButton("元件顺时针90");
toolStrip11.Click += (s, e) =>
{
for (int i = 0; i < canvas.Components.Count; i++)
{
canvas.Components[i].Angle = 90 + canvas.Components[i].Angle;
}
canvas.FitToView();
};

ToolStripButton toolStrip12 = new ToolStripButton("元件旋转180");
toolStrip12.Click += (s, e) =>
{
for (int i = 0; i < canvas.Components.Count; i++)
{
canvas.Components[i].Angle = 180 + canvas.Components[i].Angle;
}
canvas.FitToView();
};

ToolStripButton toolStrip13 = new ToolStripButton("图像界面");
toolStrip13.Click += (s, e) =>
{
Form3 form3 = new Form3(canvas);
form3.ShowDialog();
};

ToolStripButton toolStrip14 = new ToolStripButton("保存数据");
toolStrip14.Click += (s, e) =>
{
//for (int i = 0; i < canvas.Components.Count; i++)
//{
// string cmd = "update Eng_XYData set X='" + canvas.Components[i].Position.X + "' ,Y= '" + canvas.Components[i].Position.Y + "' , Angle='" + canvas.Components[i].Angle + "' where ProductCode ='1212' and Position='" + canvas.Components[i].Designator + "'";
// SqlHelper.SQL.ExecuteQuery(cmd);
//}

//if (canvas.Image != null)
{
if (File.Exists("C:\\Users\\14802\\Desktop\\1.bmp"))
File.Delete("C:\\Users\\14802\\Desktop\\1.bmp");
canvas.SaveToFile("C:\\Users\\14802\\Desktop\\1.bmp");
}
};

toolStrip.Items.AddRange(new ToolStripItem[]
{
toolStrip1,
toolStrip2 ,
toolStrip3,
toolStrip4,
toolStrip5,
toolStrip6,
toolStrip7,
toolStrip8,
toolStrip9,
toolStrip10,
toolStrip11,
toolStrip12,
toolStrip13,
toolStrip14
});

this.Controls.Add(toolStrip);
}

private void Canvas_ComponentDoubleClick(object sender, ComponentCanvas.ComponentEventArgs e)
{
Component comp = e.Component;
MessageBox.Show(
$"元件: {comp.Designator}\n" +
$"位置: X={comp.Position.X:F2}, Y={comp.Position.Y:F2}\n" +
$"尺寸: {comp.Size.Width:F2} x {comp.Size.Height:F2}\n" +
$"角度: {comp.Angle:F1}°\n" +
$"字符: {comp.Text}",
"元件信息",
MessageBoxButtons.OK,
MessageBoxIcon.Information
);
}

private void button1_Click(object sender, EventArgs e)
{
if (canvas.Image != null)
{
if (File.Exists("C:\\Users\\14802\\Desktop\\1.png"))
File.Delete("C:\\Users\\14802\\Desktop\\1.png");
canvas.Image.Save("C:\\Users\\14802\\Desktop\\1.png");
}
}

private void button2_Click(object sender, EventArgs e)
{
Form3 form3 = new Form3(canva