using System;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Design;
using System.Windows.Forms;
using System.Windows.Forms.Design;
using System.Drawing.Drawing2D;
namespace ShapeControl
{
internal class ColorEditorControl : System.Windows.Forms.UserControl
{
private System.Windows.Forms.TrackBar trackBarAlpha;
private System.Windows.Forms.TrackBar trackBarRed;
private System.Windows.Forms.TrackBar trackBarGreen;
private System.Windows.Forms.TrackBar trackBarBlue;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label label4;
public Color color,old_color;
private System.Windows.Forms.Label labelColor;
private System.Windows.Forms.Panel panelColor;
private Bitmap bm;
public ColorEditorControl(Color initial_color)
{
this.color = initial_color;
this.old_color =initial_color;
InitializeComponent();
}
private void InitializeComponent()
{
this.trackBarAlpha = new System.Windows.Forms.TrackBar();
this.trackBarRed = new System.Windows.Forms.TrackBar();
this.trackBarGreen = new System.Windows.Forms.TrackBar();
this.trackBarBlue = new System.Windows.Forms.TrackBar();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.label3 = new System.Windows.Forms.Label();
this.label4 = new System.Windows.Forms.Label();
this.panelColor = new System.Windows.Forms.Panel();
this.labelColor = new System.Windows.Forms.Label();
((System.ComponentModel.ISupportInitialize)(this.trackBarAlpha)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.trackBarRed)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.trackBarGreen)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.trackBarBlue)).BeginInit();
this.panelColor.SuspendLayout();
this.SuspendLayout();
//
// trackBarAlpha
//
this.trackBarAlpha.Location = new System.Drawing.Point(40, 3);
this.trackBarAlpha.Maximum = 255;
this.trackBarAlpha.Name = "trackBarAlpha";
this.trackBarAlpha.Size = new System.Drawing.Size(94, 45);
this.trackBarAlpha.TabIndex = 0;
this.trackBarAlpha.TickFrequency = 20;
this.trackBarAlpha.ValueChanged += new System.EventHandler(this.trackBar_ValueChanged);
//
// trackBarRed
//
this.trackBarRed.Location = new System.Drawing.Point(40, 33);
this.trackBarRed.Maximum = 255;
this.trackBarRed.Name = "trackBarRed";
this.trackBarRed.Size = new System.Drawing.Size(94, 45);
this.trackBarRed.TabIndex = 1;
this.trackBarRed.TickFrequency = 20;
this.trackBarRed.ValueChanged += new System.EventHandler(this.trackBar_ValueChanged);
//
// trackBarGreen
//
this.trackBarGreen.Location = new System.Drawing.Point(40, 65);
this.trackBarGreen.Maximum = 255;
this.trackBarGreen.Name = "trackBarGreen";
this.trackBarGreen.Size = new System.Drawing.Size(94, 45);
this.trackBarGreen.TabIndex = 2;
this.trackBarGreen.TickFrequency = 20;
this.trackBarGreen.ValueChanged += new System.EventHandler(this.trackBar_ValueChanged);
//
// trackBarBlue
//
this.trackBarBlue.Location = new System.Drawing.Point(40, 97);
this.trackBarBlue.Maximum = 255;
this.trackBarBlue.Name = "trackBarBlue";
this.trackBarBlue.Size = new System.Drawing.Size(94, 45);
this.trackBarBlue.TabIndex = 3;
this.trackBarBlue.TickFrequency = 20;
this.trackBarBlue.ValueChanged += new System.EventHandler(this.trackBar_ValueChanged);
//
// label1
//
this.label1.Location = new System.Drawing.Point(8, 6);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(40, 24);
this.label1.TabIndex = 5;
this.label1.Text = "Alpha";
//
// label2
//
this.label2.Location = new System.Drawing.Point(8, 38);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(48, 24);
this.label2.TabIndex = 6;
this.label2.Text = "Red";
//
// label3
//
this.label3.Location = new System.Drawing.Point(8, 70);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(48, 24);
this.label3.TabIndex = 7;
this.label3.Text = "Green";
//
// label4
//
this.label4.Location = new System.Drawing.Point(8, 104);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(48, 24);
this.label4.TabIndex = 8;
this.label4.Text = "Blue";
//
// panelColor
//
this.panelColor.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.panelColor.Controls.Add(this.labelColor);
this.panelColor.Location = new System.Drawing.Point(136, 11);
this.panelColor.Name = "panelColor";
this.panelColor.Size = new System.Drawing.Size(31, 106);
this.panelColor.TabIndex = 9;
//
// labelColor
//
this.labelColor.Location = new System.Drawing.Point(-10, -3);
this.labelColor.Name = "labelColor";
this.labelColor.Size = new System.Drawing.Size(56, 160);
this.labelColor.TabIndex = 10;
//
// ColorEditorControl
//
this.BackColor = System.Drawing.Color.LightGray;
this.Controls.Add(this.trackBarBlue);
this.Controls.Add(this.trackBarGreen);
this.Controls.Add(this.trackBarRed);
this.Controls.Add(this.panelColor);
this.Controls.Add(this.trackBarAlpha);
this.Controls.Add(this.label4);
this.Controls.Add(this.label3);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Name = "ColorEditorControl";
this.Size = new System.Drawing.Size(171, 135);
this.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.ColorEditorControl_KeyPress);
this.Load += new System.EventHandler(this.ColorEditorControl_Load);
((System.ComponentModel.ISupportInitialize)(this.trackBarAlpha)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.trackBarRed)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.trackBarGreen)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.trackBarBlue)).EndInit();
this.panelColor.ResumeLayout(false);
this.ResumeLayout(false);
}
private void ColorEditorControl_Load(object sender, System.EventArgs e)
{
int argb=this.color.ToArgb();
// the colors are store in the argb value as 4 byte : AARRGGBB
byte alpha=(byte)(argb>>24);
byte red=(byte)(argb>>16);
byte green=(byte)(argb>>8);
byte blue=(byte)argb;
trackBarAlpha.Value =alpha;
trackBarRed.Value =red;
trackBarGreen.Value =green;
trackBarBlue.Value =blue;
//Foreground Label on the Color Panel
labelColor.BackColor =Color.FromArgb(alpha,red,green,blue);
//Create the Background Image for Color Panel
//The Color Panel is to allow the user to check on Alpha transparency
Bitmap bm=new Bitmap(this.panelColor.Width,this.panelColor.Height);
this.panelColor.BackgroundImage =bm;
Graphics g=Graphics.FromImage(this.panelColor.BackgroundImage);
g.FillRectangle(Brushes.White ,0,0,this.panelColor.Width ,this.panelColor.Height );
//For formating the string
StringFormat sf=new StringFormat();
sf.Alignment=StringAlignment.Center;
sf.LineAlignment=StringAlignment.Center;
//For rotating the string
//If you want the text to be rotated uncomment the 5 lines below and comment off the last line
//Matrix m=new Matrix ();
//m.Rotate(90);
//m.Translate(this.panelColor.Width ,0 ,MatrixOrder.Append);
//g.Transform=m;
//g.DrawString("TEST",new Font("Arial",16,FontStyle.Bold),Brushes.Black,new Rectangle(0,0,panelColor.Height ,panelColor.Width ),sf);
g.DrawString("TEST",new Font("Arial",16,FontStyle.Bold),Brushes.Black,new Rectangle(0,0,panelColor.Width ,panelColor.Height ),sf);
}
private void UpdateColor(int a, int r, int g, int b)
{
this.color=Color.FromArgb(a,r,g,b);
labelColor.BackColor =this.color;
}
private void trackBar_ValueChanged(object sender, System.EventArgs e)
{
UpdateColor(trackBarAlpha.Value,trackBarRed.Value,trackBarGreen.Value,trackBarBlue.Value);
}
private void ColorEditorControl_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
{
//If the user hit the escape key we restore back the old color
if(e.KeyChar.Equals(Keys.Escape))
{
this.color =this.old_color;
}
}
}
public class ColorEditor : System.Drawing.Design.UITypeEditor
{
public ColorEditor()
{
}
// Indicates whether the UITypeEditor provides a form-based (modal) dialog,
// drop down dialog, or no UI outside of the properties window.
[System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name="FullTrust")]
public override System.Drawing.Design.UITypeEditorEditStyle GetEditStyle(System.ComponentModel.ITypeDescriptorContext context)
{
return UITypeEditorEditStyle.DropDown;
}
// Displays the UI for value selection.
[System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name="FullTrust")]
public override object EditValue(System.ComponentModel.ITypeDescriptorContext context, System.IServiceProvider provider, object value)
{
if( value.GetType() != typeof(Color))
return value;
// Uses the IWindowsFormsEditorService to display a
// drop-down UI in the Properties window.
IWindowsFormsEditorService edSvc = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if( edSvc != null )
{
ColorEditorControl editor = new ColorEditorControl((Color)value);
edSvc.DropDownControl( editor );
// Return the value in the appropraite data format.
if( value.GetType() == typeof(Color) )
return editor.color;
}
return value;
}
// Draws a representation of the property's value.
[System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name="FullTrust")]
public override void PaintValue(System.Drawing.Design.PaintValueEventArgs e)
{
e.Graphics.FillRectangle(new SolidBrush((Color)e.Value),1,1,e.Bounds.Width ,e.Bounds.Height );
}
// Indicates whether the UITypeEditor supports painting a
// representation of a property's value.
[System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name="FullTrust")]
public override bool GetPaintValueSupported(System.ComponentModel.ITypeDescriptorContext context)
{
return true;
}
}
}
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