基线 SVN r240
SVN-Revision: r240
This commit is contained in:
cyf
@@ -0,0 +1,442 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.ComponentModel;
|
||||
using System.Data;
|
||||
using System.Drawing;
|
||||
using System.Drawing.Drawing2D;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using System.Windows.Forms;
|
||||
|
||||
namespace Lskj.PubPdfSign.Controls
|
||||
{
|
||||
public partial class ResizeControl : UserControl
|
||||
{
|
||||
public ResizeControl(System.Windows.Forms.Control control)
|
||||
{
|
||||
//InitializeComponent();
|
||||
this.control = control;
|
||||
|
||||
#region 绑定事件
|
||||
|
||||
//鼠标按下时
|
||||
MouseDown += (sender, e) =>
|
||||
{
|
||||
//记录鼠标位置
|
||||
lastPoint = Cursor.Position;
|
||||
|
||||
//改变鼠标状态
|
||||
SetCursor(e.X, e.Y);
|
||||
};
|
||||
|
||||
//鼠标移动时，即在调整控件大小
|
||||
MouseMove += (sender, e) =>
|
||||
{
|
||||
//鼠标左键
|
||||
if (e.Button == MouseButtons.Left)
|
||||
{
|
||||
//移动时刷新实线
|
||||
DrawSolids();
|
||||
|
||||
//调整控件大小
|
||||
ReCtrlSize();
|
||||
}
|
||||
//不是鼠标左键，则表示只是在控件上移动
|
||||
else
|
||||
{
|
||||
//改变鼠标状态
|
||||
SetCursor(e.X, e.Y);
|
||||
}
|
||||
};
|
||||
|
||||
//鼠标键释放时
|
||||
MouseUp += (sender, e) =>
|
||||
{
|
||||
control.Refresh();
|
||||
//显示虚线
|
||||
SetControlRegion();
|
||||
|
||||
System.Windows.Forms.Control pictureBox = (System.Windows.Forms.Control)sender;
|
||||
if (pictureBox.Tag != null && pictureBox.Tag is SignBox)
|
||||
{
|
||||
(pictureBox.Tag as SignBox).UpdateLocation();
|
||||
}
|
||||
};
|
||||
|
||||
////鼠标离开控件隐藏边框
|
||||
//MouseLeave += (sender, e) =>
|
||||
//{
|
||||
// this.Visible = false;
|
||||
//};
|
||||
|
||||
//大小改变时
|
||||
SizeChanged += (sender, e) =>
|
||||
{
|
||||
isSizeChanged = true;
|
||||
};
|
||||
|
||||
#endregion
|
||||
}
|
||||
/// <summary>
|
||||
/// 是否已经改变大小，默认大小（150,150）不运行OnPaint方法，避免出现异常绘制
|
||||
/// </summary>
|
||||
bool isSizeChanged = false;
|
||||
|
||||
/// <summary>
|
||||
/// 设置控件支持透明
|
||||
/// </summary>
|
||||
protected override CreateParams CreateParams
|
||||
{
|
||||
get
|
||||
{
|
||||
CreateParams cp = base.CreateParams;
|
||||
cp.ExStyle |= 0x20;
|
||||
return cp;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 绘制虚线：4条虚线和8个小矩形
|
||||
/// </summary>
|
||||
protected override void OnPaint(PaintEventArgs e)
|
||||
{
|
||||
//默认大小，去除绘制，避免出现异常绘制
|
||||
if (isSizeChanged == false) return;
|
||||
|
||||
DrawDottedLines(e.Graphics);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 当前控件
|
||||
/// </summary>
|
||||
System.Windows.Forms.Control control;
|
||||
|
||||
/// <summary>
|
||||
/// 上一个鼠标坐标
|
||||
/// </summary>
|
||||
Point lastPoint = new Point();
|
||||
|
||||
/// <summary>
|
||||
/// 包括边框的局域
|
||||
/// </summary>
|
||||
Rectangle controlRect;
|
||||
/// <summary>
|
||||
/// 4条底边的集合
|
||||
/// </summary>
|
||||
Rectangle[] borderRects = new Rectangle[4];
|
||||
|
||||
/// <summary>
|
||||
/// 组成4条虚线的点
|
||||
/// </summary>
|
||||
Point[] linePoints = new Point[5];
|
||||
|
||||
/// <summary>
|
||||
/// 8个小矩形大小
|
||||
/// </summary>
|
||||
const int size = 6;
|
||||
/// <summary>
|
||||
/// 8个小矩形的大小
|
||||
/// </summary>
|
||||
Size smallRectSize = new Size(size, size);
|
||||
/// <summary>
|
||||
/// 8个小矩形
|
||||
/// </summary>
|
||||
Rectangle[] smallRects = new Rectangle[8];
|
||||
|
||||
#region 设置控件区域，绘制虚线，绘制实线
|
||||
|
||||
/// <summary>
|
||||
/// 设置控件区域：4条底边，点击控件后显示
|
||||
/// </summary>
|
||||
public void SetControlRegion()
|
||||
{
|
||||
//显示边框并置顶
|
||||
Visible = true;
|
||||
BringToFront();
|
||||
|
||||
#region 设置控件区域
|
||||
|
||||
int x = control.Bounds.X - smallRectSize.Width;
|
||||
int y = control.Bounds.Y - smallRectSize.Height;
|
||||
int width = control.Bounds.Width + (smallRectSize.Width * 2);
|
||||
int height = control.Bounds.Height + (smallRectSize.Height * 2);
|
||||
Bounds = new Rectangle(x, y, width, height);
|
||||
|
||||
//包括边框的局域
|
||||
controlRect = new Rectangle(new Point(0, 0), Bounds.Size);
|
||||
|
||||
#endregion
|
||||
|
||||
#region 4条底边
|
||||
|
||||
GraphicsPath path = new GraphicsPath();
|
||||
|
||||
//上底边
|
||||
borderRects[0] = new Rectangle(0, 0, Width + size * 2, smallRectSize.Height + 1);
|
||||
//左底边
|
||||
borderRects[1] = new Rectangle(0, size + 1, smallRectSize.Width + 1, Height - size * 2 - 2);
|
||||
//下底边
|
||||
borderRects[2] = new Rectangle(0, Height - size - 1, Width + size * 2, smallRectSize.Height + 1);
|
||||
//右底边
|
||||
borderRects[3] = new Rectangle(Width - size - 1, size + 1, smallRectSize.Width + 1, Height - size * 2 - 2);
|
||||
|
||||
path.AddRectangle(borderRects[0]);
|
||||
path.AddRectangle(borderRects[1]);
|
||||
path.AddRectangle(borderRects[2]);
|
||||
path.AddRectangle(borderRects[3]);
|
||||
|
||||
Region = new Region(path);
|
||||
|
||||
#endregion
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 绘制虚线：4条虚线和8个小矩形
|
||||
/// </summary>
|
||||
public void DrawDottedLines(Graphics g)
|
||||
{
|
||||
#region 4条虚线
|
||||
|
||||
//左上
|
||||
linePoints[0] = new Point(3, 3);
|
||||
//右上
|
||||
linePoints[1] = new Point(Width - 3 - 1, 3);
|
||||
//右下
|
||||
linePoints[2] = new Point(Width - 3 - 1, Height - 3 - 1);
|
||||
//左下
|
||||
linePoints[3] = new Point(3, Height - 3 - 1);
|
||||
//左上
|
||||
linePoints[4] = new Point(3, 3);
|
||||
|
||||
Pen pen = new Pen(Color.Black, 1) { DashStyle = DashStyle.Dot };
|
||||
|
||||
g.DrawLines(pen, linePoints);
|
||||
|
||||
#endregion
|
||||
|
||||
#region 8个小矩形
|
||||
|
||||
//左上
|
||||
smallRects[0] = new Rectangle(new Point(0, 0), smallRectSize);
|
||||
//右上
|
||||
smallRects[1] = new Rectangle(new Point(Width - size - 1, 0), smallRectSize);
|
||||
//左下
|
||||
smallRects[2] = new Rectangle(new Point(0, Height - size - 1), smallRectSize);
|
||||
//右下
|
||||
smallRects[3] = new Rectangle(new Point(Width - size - 1, Height - size - 1), smallRectSize);
|
||||
//上中
|
||||
smallRects[4] = new Rectangle(new Point(Width / 2 - 1, 0), smallRectSize);
|
||||
//下中
|
||||
smallRects[5] = new Rectangle(new Point(Width / 2 - 1, Height - size - 1), smallRectSize);
|
||||
//左中
|
||||
smallRects[6] = new Rectangle(new Point(0, Height / 2 - size / 2), smallRectSize);
|
||||
//右中
|
||||
smallRects[7] = new Rectangle(new Point(Width - size - 1, Height / 2 - size / 2), smallRectSize);
|
||||
|
||||
//填充矩形内部为白色
|
||||
g.FillRectangles(Brushes.White, smallRects);
|
||||
//绘制矩形
|
||||
g.DrawRectangles(Pens.Black, smallRects);
|
||||
|
||||
#endregion
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 绘制实线：4条实线，移动控件和调整控件大小时显示
|
||||
/// </summary>
|
||||
public void DrawSolids()
|
||||
{
|
||||
//隐藏边框
|
||||
Visible = false;
|
||||
Graphics g = control.CreateGraphics();
|
||||
int width = control.Width;
|
||||
int height = control.Height;
|
||||
Point[] points = new Point[5] { new Point(0,0),new Point(width - 1,0),
|
||||
new Point(width - 1,height-1),new Point(0,height-1),new Point(0,0)};
|
||||
g.DrawLines(new Pen(Color.Gray, 3), points);
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region 调整控件大小
|
||||
|
||||
/// <summary>
|
||||
/// 鼠标在控件中的位置
|
||||
/// </summary>
|
||||
enum MousePos
|
||||
{
|
||||
None,
|
||||
Top,
|
||||
Right,
|
||||
Bottom,
|
||||
Left,
|
||||
LeftTop,
|
||||
LeftBottom,
|
||||
RightTop,
|
||||
RightBottom
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 鼠标在控件中的位置
|
||||
/// </summary>
|
||||
MousePos mousePos;
|
||||
|
||||
/// <summary>
|
||||
/// 改变鼠标状态，鼠标在控件上，下，左，右，左上，右上，左下，右下，向上不同的光标
|
||||
/// </summary>
|
||||
private void SetCursor(int x, int y)
|
||||
{
|
||||
Point point = new Point(x, y);
|
||||
|
||||
if (!controlRect.Contains(point))//不在边框局域内直接退出
|
||||
{
|
||||
Cursor.Current = Cursors.Arrow;
|
||||
return;
|
||||
}
|
||||
else if (smallRects[0].Contains(point))//左上
|
||||
{
|
||||
Cursor.Current = Cursors.SizeNWSE;
|
||||
mousePos = MousePos.LeftTop;
|
||||
}
|
||||
else if (smallRects[1].Contains(point))//右上
|
||||
{
|
||||
Cursor.Current = Cursors.SizeNESW;
|
||||
mousePos = MousePos.RightTop;
|
||||
}
|
||||
else if (smallRects[2].Contains(point))//左下
|
||||
{
|
||||
Cursor.Current = Cursors.SizeNESW;
|
||||
mousePos = MousePos.LeftBottom;
|
||||
}
|
||||
else if (smallRects[3].Contains(point))//右下
|
||||
{
|
||||
Cursor.Current = Cursors.SizeNWSE;
|
||||
mousePos = MousePos.RightBottom;
|
||||
}
|
||||
|
||||
else if (borderRects[0].Contains(point))//上
|
||||
{
|
||||
Cursor.Current = Cursors.SizeNS;
|
||||
mousePos = MousePos.Top;
|
||||
}
|
||||
else if (borderRects[1].Contains(point))//左
|
||||
{
|
||||
Cursor.Current = Cursors.SizeWE;
|
||||
mousePos = MousePos.Left;
|
||||
}
|
||||
else if (borderRects[2].Contains(point))//下
|
||||
{
|
||||
Cursor.Current = Cursors.SizeNS;
|
||||
mousePos = MousePos.Bottom;
|
||||
}
|
||||
else if (borderRects[3].Contains(point))//右
|
||||
{
|
||||
Cursor.Current = Cursors.SizeWE;
|
||||
mousePos = MousePos.Right;
|
||||
}
|
||||
else
|
||||
{
|
||||
Cursor.Current = Cursors.Arrow;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 控件的最小高度
|
||||
/// </summary>
|
||||
const int MinHeight = 10;
|
||||
/// <summary>
|
||||
/// 控件的最小宽度
|
||||
/// </summary>
|
||||
const int MinWeight = 10;
|
||||
|
||||
/// <summary>
|
||||
/// 调整控件大小：鼠标在控件中的不同位置，调整控件大小
|
||||
/// </summary>
|
||||
private void ReCtrlSize()
|
||||
{
|
||||
//获取当前鼠标位置
|
||||
Point currentPoint = Cursor.Position;
|
||||
int x = currentPoint.X - lastPoint.X;
|
||||
int y = currentPoint.Y - lastPoint.Y;
|
||||
switch (mousePos)
|
||||
{
|
||||
case MousePos.None:
|
||||
break;
|
||||
case MousePos.Top://上，调整
|
||||
if (control.Height - y > MinHeight)
|
||||
{
|
||||
control.Top += y;
|
||||
control.Height -= y;
|
||||
}
|
||||
break;
|
||||
case MousePos.Right:
|
||||
if (control.Width + x > MinWeight)
|
||||
{
|
||||
control.Width += x;
|
||||
}
|
||||
break;
|
||||
case MousePos.Bottom:
|
||||
if (control.Height + y > MinHeight)
|
||||
{
|
||||
control.Height += y;
|
||||
}
|
||||
break;
|
||||
case MousePos.Left:
|
||||
if (control.Width - x > MinWeight)
|
||||
{
|
||||
control.Left += x;
|
||||
control.Width -= x;
|
||||
}
|
||||
break;
|
||||
case MousePos.LeftTop://左上
|
||||
if (control.Width - x > MinWeight)
|
||||
{
|
||||
control.Left += x;
|
||||
control.Width -= x;
|
||||
}
|
||||
if (control.Height - y > MinHeight)
|
||||
{
|
||||
control.Top += y;
|
||||
control.Height -= y;
|
||||
}
|
||||
break;
|
||||
case MousePos.LeftBottom:
|
||||
if (control.Width - x > MinWeight)
|
||||
{
|
||||
control.Left += x;
|
||||
control.Width -= x;
|
||||
}
|
||||
if (control.Height + y > MinHeight)
|
||||
{
|
||||
control.Height += y;
|
||||
}
|
||||
break;
|
||||
case MousePos.RightTop:
|
||||
if (control.Width + x > MinWeight)
|
||||
{
|
||||
control.Width += x;
|
||||
}
|
||||
if (control.Height - y > MinHeight)
|
||||
{
|
||||
control.Top += y;
|
||||
control.Height -= y;
|
||||
}
|
||||
break;
|
||||
case MousePos.RightBottom:
|
||||
if (control.Width + x > MinWeight)
|
||||
{
|
||||
control.Width += x;
|
||||
}
|
||||
if (control.Height + y > MinHeight)
|
||||
{
|
||||
control.Height += y;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
lastPoint = Cursor.Position;
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user