protected void Init()
{
SuspendLayout();
this.DoubleBuffered = true;
this.clientWidth = ClientRectangle.Width;
this.clientHeight = ClientRectangle.Height;
this.selectedColor = Color.Red;
this.drawStyle = DrawStyles.HSBHue;
bmp = new Bitmap(clientWidth, clientHeight, PixelFormat.Format32bppArgb);
mouseMoveTimer = new Timer();
mouseMoveTimer.Interval = 10;
mouseMoveTimer.Tick += new EventHandler(MouseMoveTimer_Tick);
ClientSizeChanged += new EventHandler(ClientSizeChanged_Event);
MouseDown += new MouseEventHandler(MouseDown_Event);
MouseEnter += new EventHandler(MouseEnter_Event);
MouseUp += new MouseEventHandler(MouseUp_Event);
Paint += new PaintEventHandler(Paint_Event);
ResumeLayout(false);
}
public ColorPicker()
{
InitializeComponent();
Size = new Size(290, 516);
colorBox.ColorChanged += ColorBox_ColorChanged;
colorSlider.ColorChanged += ColorSlider_ColorChanged;
selectedColor = Color.FromArgb(255, 0, 0);
}
protected void GetBoxColor()
{
switch (DrawStyle)
{
// HSB Color Space
case DrawStyles.HSBHue:
selectedColor.hsb.Saturation = (float)lastClicked.X / clientWidth;
selectedColor.hsb.Brightness = (float)(1.0 - ((double)lastClicked.Y / clientHeight));
selectedColor.UpdateHSB();
break;
case DrawStyles.HSBSaturation:
selectedColor.hsb.Hue = (float)lastClicked.X / clientWidth;
selectedColor.hsb.Brightness = (float)(1.0 - ((double)lastClicked.Y / clientHeight));
selectedColor.UpdateHSB();
break;
case DrawStyles.HSBBrightness:
selectedColor.hsb.Hue = (float)lastClicked.X / clientWidth;
selectedColor.hsb.Saturation = (float)(1.0 - ((double)lastClicked.Y / clientHeight));
selectedColor.UpdateHSB();
break;
// HSL Color Space
case DrawStyles.HSLHue:
selectedColor.hsl.Saturation = (float)lastClicked.X / clientWidth;
selectedColor.hsl.Lightness = (float)(1.0 - ((double)lastClicked.Y / clientHeight));
selectedColor.UpdateHSL();
break;
case DrawStyles.HSLSaturation:
selectedColor.hsl.Hue = (float)lastClicked.X / clientWidth;
selectedColor.hsl.Lightness = (float)(1.0 - ((double)lastClicked.Y / clientHeight));
selectedColor.UpdateHSL();
break;
case DrawStyles.HSLLightness:
selectedColor.hsl.Hue = (float)lastClicked.X / clientWidth;
selectedColor.hsl.Saturation = (float)(1.0 - ((double)lastClicked.Y / clientHeight));
selectedColor.UpdateHSL();
break;
// RGB Color Space
case DrawStyles.Red:
selectedColor.argb.B = (int)Math.Round(255 * (double)lastClicked.X / (clientWidth));
selectedColor.argb.G = (int)Math.Round(255 * (1.0 - ((double)lastClicked.Y / (clientHeight))));
selectedColor.UpdateARGB();
break;
case DrawStyles.Green:
selectedColor.argb.B = (int)Math.Round(255 * (double)lastClicked.X / (clientWidth));
selectedColor.argb.R = (int)Math.Round(255 * (1.0 - ((double)lastClicked.Y / (clientHeight))));
selectedColor.UpdateARGB();
break;
case DrawStyles.Blue:
selectedColor.argb.R = (int)Math.Round(255 * (double)lastClicked.X / (clientWidth));
selectedColor.argb.G = (int)Math.Round(255 * (1.0 - ((double)lastClicked.Y / (clientHeight))));
selectedColor.UpdateARGB();
break;
case DrawStyles.xyz:
// get the pixel from the bitmap to display to the user, but keep the selected color as the calculation so the cursor moves correctly
absoluteColor = bmp.GetPixel(lastClicked.X.Clamp(0, clientWidth - 1), lastClicked.Y.Clamp(0, clientHeight - 1));
absoluteColor.UpdateXYZ();
// this isn't very accurate to the color under the cursor
selectedColor.xyz.Y = (float)(100.0 * ((double)lastClicked.X / clientWidth));
selectedColor.xyz.Z = (float)(150.0 * (1.0 - ((double)lastClicked.Y / clientHeight)));
selectedColor.UpdateXYZ();
break;
}
}
private void ColorBox_ColorChanged(object sender, ColorEventArgs e)
{
SelectedColor = e.Color;
absoluteColor = e.AbsoluteColor;
}
public ColorEventArgs(_Color color, _Color absoluteColor, DrawStyles drawStyle)
{
Color = color;
AbsoluteColor = absoluteColor;
DrawStyle = drawStyle;
}
public ColorEventArgs(_Color color, _Color absoluteColor, ColorFormat format)
{
Color = color;
AbsoluteColor = absoluteColor;
ColorType = format;
}
