// The color finder is based on WhatColor.cs by Charles Petzold, www.charlespetzold.com
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace Spectrum
{
/// <summary>
/// Summary description for Form1.
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.Container components = null;
private System.Windows.Forms.Label labelColor;
private System.Windows.Forms.Label labelHex;
private System.Windows.Forms.Label labelDec;
private WhatColor whatColor;
public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
whatColor = new WhatColor();
SetStyle(ControlStyles.AllPaintingInWmPaint |
ControlStyles.UserPaint |
ControlStyles.DoubleBuffer,
true);
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.labelColor = new System.Windows.Forms.Label();
this.labelHex = new System.Windows.Forms.Label();
this.labelDec = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// labelColor
//
this.labelColor.Font = new System.Drawing.Font("Verdana", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.labelColor.ForeColor = System.Drawing.Color.Black;
this.labelColor.Location = new System.Drawing.Point(220, 96);
this.labelColor.Name = "labelColor";
this.labelColor.Size = new System.Drawing.Size(132, 16);
this.labelColor.TabIndex = 0;
this.labelColor.Text = "Red-Green-Blue";
this.labelColor.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// labelHex
//
this.labelHex.Font = new System.Drawing.Font("Verdana", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.labelHex.ForeColor = System.Drawing.Color.Black;
this.labelHex.Location = new System.Drawing.Point(212, 112);
this.labelHex.Name = "labelHex";
this.labelHex.Size = new System.Drawing.Size(136, 16);
this.labelHex.TabIndex = 1;
this.labelHex.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// labelDec
//
this.labelDec.Font = new System.Drawing.Font("Verdana", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.labelDec.ForeColor = System.Drawing.Color.Black;
this.labelDec.Location = new System.Drawing.Point(216, 128);
this.labelDec.Name = "labelDec";
this.labelDec.Size = new System.Drawing.Size(136, 16);
this.labelDec.TabIndex = 2;
this.labelDec.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.BackColor = System.Drawing.Color.White;
this.ClientSize = new System.Drawing.Size(576, 150);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.labelDec,
this.labelHex,
this.labelColor});
this.Name = "Form1";
this.Text = "Light Spectrum";
this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseMove);
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void Form1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
labelHex.Text = whatColor.CursorColor.R.ToString("X00")+"-"+whatColor.CursorColor.G.ToString("X00")+"-"+whatColor.CursorColor.B.ToString("X00");
labelDec.Text = whatColor.CursorColor.R.ToString()+"-"+whatColor.CursorColor.G.ToString()+"-"+whatColor.CursorColor.B.ToString();
}
private float brushTransparency = 1.0f;
private Bitmap bitmap = new Bitmap(600,100);
private Rectangle rect = new Rectangle(8,24,560,70);
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
// Fill in Background (for effieciency only the area that has been clipped)
e.Graphics.FillRectangle(new SolidBrush(SystemColors.Window), e.ClipRectangle.X,e.ClipRectangle.Y, e.ClipRectangle.Width, e.ClipRectangle.Height);
LinearGradientBrush brBrush =
new LinearGradientBrush(
rect, Color.Blue, Color.Red,
LinearGradientMode.Horizontal);
// Create color and point arrays
Color[] clrArray =
{
Color.FromArgb(255,0,0,0),
Color.FromArgb(255,128,0,128),
Color.FromArgb(255,255,0,255),
Color.FromArgb(255,128,0,255),
Color.FromArgb(255,0,0,255),
Color.FromArgb(255,0,128,255),
Color.FromArgb(255,0,255,255),
Color.FromArgb(255,0, 255,128),
Color.FromArgb(255,0,255,0),
Color.FromArgb(255,128,255,0),
Color.FromArgb(255,255,255,0),
Color.FromArgb(255,255,128,0),
Color.FromArgb(255,255,0,0),
Color.FromArgb(255,128,0,0),
Color.FromArgb(255,0,0,0)
};
float[] posArray =
{
0.0f,
1.0f/14.0f,
2.0f/14.0f,
3.0f/14.0f,
4.0f/14.0f,
5.0f/14.0f,
6.0f/14.0f,
7.0f/14.0f,
8.0f/14.0f,
9.0f/14.0f,
10.0f/14.0f,
11.0f/14.0f,
12.0f/14.0f,
13.0f/14.0f,
1.0f
};
// Create a ColorBlend object and
// set its Colors and Positions properties
ColorBlend colorBlend = new ColorBlend();
colorBlend.Colors = clrArray;
colorBlend.Positions = posArray;
// Set interpolationColors property
brBrush.InterpolationColors = colorBlend;
// Create a points array
float[][] ptsArray =
{
new float[] { 1, 0, 0, 0, 0},
new float[] { 0, 1, 0, 0, 0},
new float[] { 0, 0, 1, 0, 0},
new float[] { 0, 0, 0, brushTransparency, 0},
new float[] { 0, 0, 0, 0, 1}
};
// Fill Rectangle
e.Graphics.FillRectangle(brBrush, rect);
// Dispose of objects
brBrush.Dispose();
}
}
}
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