using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
using System.Drawing.Drawing2D;
namespace ShapeControl
{
//All the defined shape type
public enum ShapeType{ Rectangle,
RoundedRectangle,
Diamond,
Ellipse,
TriangleUp,
TriangleDown,
TriangleLeft,
TriangleRight,
BallonNE,
BallonNW,
BallonSW,
BallonSE,
CustomPolygon,
CustomPie,
LineDown,
LineUp,
LineHorizontal,
LineVertical
}
public class CustomControl1 : System.Windows.Forms.Control
{
private GraphicsPath _custompath = new GraphicsPath();
private IContainer components;
ShapeType _shape=ShapeType.Rectangle;
DashStyle _borderstyle=DashStyle.Solid;
Color _bordercolor=Color.FromArgb(255,255,0,0);
int _borderwidth=3;
GraphicsPath _outline=new GraphicsPath();
bool _usegradient=false;
bool _blink = false;
bool _vibrate = false;
bool _voffseted = false;
Color _centercolor=Color.FromArgb(100,255,0,0) ;
Color _surroundcolor=Color.FromArgb(100,0,255,255);
private Timer timer1;
private Timer timer2;
string _tag2 = "";
Bitmap _bm;
[Category("Shape"), Description("Additional user-defined data")]
public string Tag2
{
get { return _tag2; }
set
{
_tag2 = value;
}
}
[Category("Shape"), Description("Causes the control to blink")]
public bool Blink
{
get { return _blink; }
set {
_blink = value;
timer1.Enabled = _blink;
if (!_blink) this.Visible = true;
}
}
[Category("Shape"), Description("Causes the control to vibrate")]
public bool Vibrate
{
get { return _vibrate; }
set
{
_vibrate = value;
timer2.Enabled = _vibrate;
if (!_vibrate)
if (_voffseted) { this.Top += 5; _voffseted = false; }
}
}
[Category("Shape"), Description("Background Image to define outline")]
public Image ShapeImage
{
get
{
return _bm;
}
set
{
if (value != null)
{
_bm = (Bitmap)value.Clone();
Width = 150;
Height = 150;
OnResize(null);
}
else
{
if(_bm!=null)
_bm = null;
OnResize(null);
}
}
}
[Category("Shape"),Description("Text to display")]
public override string Text
{
get
{
return base.Text;
}
set
{
base.Text = value;
}
}
//Overide the BackColor Property to be associated with our custom editor
[Category("Shape"),Description("Back Color")]
[BrowsableAttribute(true)]
[EditorAttribute(typeof(ColorEditor), typeof(System.Drawing.Design.UITypeEditor))]
public override Color BackColor
{
get
{
return base.BackColor;
}
set
{
base.BackColor = value; this.Refresh();
}
}
[Category("Shape"),Description("Using Gradient to fill Shape")]
public bool UseGradient
{
get{ return _usegradient;}
set{ _usegradient=value; this.Refresh();}
}
//For Gradient Rendering, this is the color at the center of the shape
[Category("Shape"),Description("Color at center")]
[BrowsableAttribute(true)]
[EditorAttribute(typeof(ColorEditor), typeof(System.Drawing.Design.UITypeEditor))]
public Color CenterColor
{
get {return _centercolor;}
set { _centercolor=value; this.Refresh();}
}
//For Gradient Rendering, this is the color at the edges of the shape
[Category("Shape"),Description("Color at the edges of the Shape")]
[BrowsableAttribute(true)]
[EditorAttribute(typeof(ColorEditor), typeof(System.Drawing.Design.UITypeEditor))]
public Color SurroundColor
{
get {return _surroundcolor;}
set { _surroundcolor=value; this.Refresh();}
}
[Category("Shape"),Description("Border Width")]
public int BorderWidth
{
get{
return _borderwidth;
}
set{
_borderwidth=value;
if (_borderwidth<0) _borderwidth=0;
OnResize(null);
}
}
[Category("Shape"),Description("Border Color")]
[BrowsableAttribute(true)]
[EditorAttribute(typeof(ColorEditor), typeof(System.Drawing.Design.UITypeEditor))]
public Color BorderColor
{
get{return _bordercolor;}
set{_bordercolor=value;this.Refresh();}
}
[Category("Shape"),Description("Border Style")]
public DashStyle BorderStyle
{
get{return _borderstyle;}
set{_borderstyle=value;this.Refresh();}
}
[Category("Shape"),Description("Select Shape")]
[BrowsableAttribute(true)]
[EditorAttribute(typeof(ShapeTypeEditor), typeof(System.Drawing.Design.UITypeEditor))]
public ShapeType Shape
{
get{return _shape;}
set
{
_shape=value;
if (_shape == ShapeType.LineVertical ||
_shape == ShapeType.LineHorizontal ||
_shape == ShapeType.LineUp ||
_shape == ShapeType.LineDown)
ForeColor = Color.FromArgb(0, 255, 255, 255);
if (_shape == ShapeType.LineVertical)
this.Width = 20;
if (_shape == ShapeType.LineHorizontal)
this.Height = 20;
OnResize(null);
}
}
public CustomControl1()
{
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
this.DoubleBuffered = true;
//Using of Double Buffer allow for smooth rendering
//minizing flickering
this.SetStyle(ControlStyles.SupportsTransparentBackColor |
ControlStyles.DoubleBuffer |
ControlStyles.AllPaintingInWmPaint |
ControlStyles.UserPaint,true);
//set the default backcolor and font
this.BackColor=Color.FromArgb(0,255,255,255);
this.Font =new Font("Arial",12,FontStyle.Bold);
this.Width = 100;
this.Height = 100;
this.Text = "";
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if( components != null )
components.Dispose();
}
base.Dispose( disposing );
}
#region Component Designer generated code
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.timer1 = new System.Windows.Forms.Timer(this.components);
this.timer2 = new System.Windows.Forms.Timer(this.components);
this.SuspendLayout();
//
// timer1
//
this.timer1.Interval = 200;
this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
//
// timer2
//
this.timer2.Interval = 200;
this.timer2.Tick += new System.EventHandler(this.timer2_Tick);
//
// CustomControl1
//
this.TextChanged += new System.EventHandler(this.ShapeControl_TextChanged);
this.ResumeLayout(false);
}
#endregion
//This function creates the path for each shape
//It is also being used by the ShapeTypeEditor to create the various shapes
//for the Shape property editor UI
internal static void updateOutline(ref GraphicsPath outline,ShapeType shape,int width,int height,int borderwidth)
{
switch(shape)
{
case ShapeType.LineVertical :
outline.AddPolygon(new Point[]{
new Point(width /2- borderwidth /2,0),
new Point (width /2+ borderwidth /2,0),
new Point(width /2+ borderwidth /2,height),
new Point(width /2- borderwidth /2,height)
}
);
break;
case ShapeType.LineHorizontal:
outline.AddPolygon(new Point[]{
new Point(0, height /2- borderwidth /2),
new Point (0,height/2+ borderwidth /2),
new Point(width,height/2+ borderwidth /2),
new Point(width,height /2- borderwidth /2)
}
);
break;
case ShapeType.LineUp:
outline.AddPolygon(new Point[]{
new Point(0,height -borderwidth /2),
new Point (borderwidth /2,height),
new Point(width,borderwidth/2),
new Point(width-borderwidth/2,0)
}
);
break;
case ShapeType.LineDown :
outline.AddPolygon(new Point[]{
new Point(borderwidth /2,0),
new Point (0,borderwidth /2),
new Point(width-borderwidth/2,height),
new Point(width,height-borderwidth /2)
}
);
break;
case ShapeType.CustomPie:
outline.AddPie(0,0,width,height,180,270);
break;
case ShapeType.CustomPolygon:
outline.AddPolygon(new Point[]{
new Point(0,0),
new Point(width/2,height/4),
new Point(width,0),
new Point((width*3)/4,height/2),
new Point(width,height),
new Point(width/2,(height*3)/4),
new Point(0,height),
new Point(width/4,height/2)
}
);
break;
case ShapeType.Diamond :
outline.AddPolygon(new Point[]{
new Point(0,height/2),
new Point(width/2,0),
new Point(width,height/2),
new Point(width/2,height)
});
break;
case ShapeType.Rectangle :
outline.AddRectangle(new Rectangle(0,0,width,height));
break;
case ShapeType.Ellipse:
outline.AddEllipse(0,0,width,height);
break;
case ShapeType.TriangleUp:
outline.AddPolygon(new Point[]{new Point(0,height),new Point(width,height),new Point(width/2,0)});
break;
case ShapeType.TriangleDown:
outline.AddPolygon(new Point[]{new Point(0,0),new Point(width,0),new Point(width/2,height)});
break;
case ShapeType.TriangleLeft:
outline.AddPolygon(new Point[]{new Point(width,0),new Point(0,height/2),new Point(width,height)});
break;
case ShapeType.TriangleRight:
outline.AddPolygon(new Point[]{new Point(0,0),new Point(width,height/2),new Point(0,height)});
break;
case ShapeType.RoundedRectangle:
outline.AddArc(0,0,width/4,width/4,180,90);
outline.AddLine(width/8,0,width-width/8,0);
outline.AddArc(width-width/4,0,width/4,width/4,270,90);
outline.AddLine(width,width/8,width,height-width /8);
outline.AddArc(width-width/4,height-width/4,width/4,width/4,0,90);
outline.AddLine(width-width/8,height,width/8,height);
outline.AddArc(0,height-width/4,width/4,width/4,90,90);
outline.AddLine(0,height-width/8,0,width/8);
break;
case ShapeType.BallonSW:
outline.AddArc(0,0,width/4,width/4,180,90);
outline.AddLine(width/8,0,width-width/8,0);
outline.AddArc(width-width/4,0,width/4,width/4,270,90);
outline.AddLine(width,width/8,width,(height*0.75f)-width /8);
outline.AddArc(width-width/4,(height *0.75f )-width/4,width/4,width/4,0,90);
outline.AddLine(width-width/8,(height*0.75f),width/8 +(width/4),(height*0.75f));
outline.AddLine(width/8 +(width/4),height*0.75f,width/8 +(width/8),height);
outline.AddLine(width/8 +(width/8),height,width/8 +(width/8),(height*0.75f));
outline.AddLine(width/8 +(width/8),(height*0.75f),width/8,(height*0.75f));
outline.AddArc(0,(height*0.75f)-width/4,width/4,width/4,90,90);
outline.AddLine(0,(height*0.75f)-width/8,0,width/8);
break;
case ShapeType.BallonSE:
outline.AddArc(0,0,width/4,width/4,180,90);
outline.AddLine(width/8,0,width-width/8,0);
outline.AddArc(width-width/4,0,width/4,width/4,270,90);
outline.AddLine(width,width/8,width,(height*0.75f)-width /8);
outline.AddArc(width-width/4,(height *0.75f )-width/4,width/4,width/4,0,90);
outline.AddLine(width-width/8,(height*0.75f),width-(width/4),(height*0.75f));
outline.AddLine(width-(width/4),height*0.75f,width-(width/4),height);
outline.AddLine(width-(width/4),height,width -(3*width/8),(height*0.75f));
outline.AddLine(width -(3*width/8),(height*0.75f),width/8,(height*0.75f));
outline.AddArc(0,(height*0.75f)-width/4,width/4,width/4,90,90);
outline.AddLine(0,(height*0.75f)-width/8,0,width/8);
break;
case ShapeType.BallonNW:
outline.AddArc(width-width/4,(height )-width/4,width/4,width/4,0,90);
outline.AddLine(width-width/8,(height),width-(width/4),(height));
outline.AddArc(0,(height)-width/4,width/4,width/4,90,90);
outline.AddLine(0,(height)-width/8,0,height *0.25f+width/8);
outline.AddArc(0,height *0.25f,width/4,width/4,180,90);
outline.AddLine(width/8,height *0.25f,width/4,height *0.25f);
outline.AddLine(width/4,height *0.25f,width/4,0);
outline.AddLine(width/4,0,3*width/8 ,height *0.25f);
outline.AddLine(3*width/8 ,height *0.25f,width -width/8,height *0.25f);
outline.AddArc(width-width/4,height *0.25f,width/4,width/4 ,270,90);
outline.AddLine(width,width/8+height *0.25f,width,(height)-width /8);
break;
case ShapeType.BallonNE:
outline.AddArc(width-width/4,(height )-width/4,width/4,width/4,0,90);
outline.AddLine(width-width/8,(height),width-(width/4),(height));
outline.AddArc(0,(height)-width/4,width/4,width/4,90,90);
outline.AddLine(0,(height)-width/8,0,height *0.25f+width/8);
outline.AddArc(0,height *0.25f,width/4,width/4,180,90);
outline.AddLine(width/8,height *0.25f,5*width/8,height *0.25f);
outline.AddLine(5*width/8,height *0.25f,3*width/4,0);
outline.AddLine(3*width/4,0,3*width/4 ,height *0.25f);
outline.AddLine(3*width/4 ,height *0.25f,width -width/8,height *0.25f);
outline.AddArc(width-width/4,height *0.25f,width/4,width/4 ,270,90);
outline.AddLine(width,width/8+height *0.25f,width,(height)-width /8);
break;
default:break;
}
}
protected override void OnResize(EventArgs e)
{
if ((this.Width < 0) || (this.Height <= 0)) return;
if (_bm == null)
{
_outline = new GraphicsPath();
updateOutline(ref _outline, _shape, this.Width, this.Height,this.BorderWidth);
}
else
{
Bitmap bm = (Bitmap)_bm.Clone();
Bitmap bm2 = new Bitmap(Width, Height);
System.Diagnostics.Debug.WriteLine(bm2.Width + "," + bm2.Height);
Graphics.FromImage(bm2).DrawImage(bm, new RectangleF(0, 0, bm2.Width, bm2.Height), new RectangleF(0, 0, bm.Width, bm.Height), GraphicsUnit.Pixel);
TraceOutline.CTraceOuline trace = new TraceOutline.CTraceOuline();
string s = trace.TraceOutlineN(bm2, 0, bm2.Height / 2, bm2.Width / 2, Color.Black, Color.White, true, 1);
Point[] p = trace.StringOutline2Polygon(s);
_outline = new GraphicsPath();
_outline.AddPolygon(p);
}
if(_outline!=null)
this.Region=new Region(_outline);
this.Refresh();
base.OnResize (e);
}
protected override void OnPaint(PaintEventArgs pe)
{
//Rendering with Gradient
if (_usegradient)
{
PathGradientBrush br=new PathGradientBrush(this._outline);
br.CenterColor=this._centercolor;
br.SurroundColors=new Color[]{this._surroundcolor};
pe.Graphics.FillPath(br,this._outline);
}
//Rendering with Border
if(_borderwidth>0)
{
Pen p=new Pen(_bordercolor,_borderwidth*2);
p.DashStyle=_borderstyle;
if (p.DashStyle == DashStyle.Custom)
p.DashPattern = new float[] { 1, 1, 1, 1 };
pe.Graphics.SmoothingMode=SmoothingMode.HighQuality;
pe.Graphics.DrawPath(p,this._outline);
p.Dispose();
}
//Rendering the text to be at the center of the shape
StringFormat sf=new StringFormat();
sf.Alignment=StringAlignment.Center;
sf.LineAlignment=StringAlignment.Center;
switch(_shape)
{
case ShapeType.BallonNE:
case ShapeType.BallonNW:
pe.Graphics.DrawString(this.Text,this.Font,new SolidBrush(this.ForeColor),new RectangleF(0,this.Height*0.25f,this.Width ,this.Height*0.75f),sf);
break;
case ShapeType.BallonSE:
case ShapeType.BallonSW:
pe.Graphics.DrawString(this.Text,this.Font,new SolidBrush(this.ForeColor),new RectangleF(0,0,this.Width ,this.Height*0.75f),sf);
break;
default:
pe.Graphics.DrawString(this.Text,this.Font,new SolidBrush(this.ForeColor),new Rectangle(0,0,this.Width ,this.Height),sf);
break;
}
// Calling the base class OnPaint
base.OnPaint(pe);
}
private void ShapeControl_TextChanged(object sender, System.EventArgs e)
{
this.Refresh();
}
private void timer1_Tick(object sender, EventArgs e)
{
this.Visible = !this.Visible;
}
private void timer2_Tick(object sender, EventArgs e)
{
if (!_vibrate) return;
_voffseted = !_voffseted;
this.Top =_voffseted ?this.Top -5:this.Top +5;
}
}
}
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