private void CalcCoordsAndUpdate(ColorHandler.HSV hsv)
{
this._colorPoint = GetPoint((double)hsv.Hue / 255 * 360,
(double)hsv.Saturation / 255 * this._radius,
this._centerPoint);
this._brightnessPoint = this.CalcBrightnessPoint(hsv.Value);
this._brightness = hsv.Value;
this._selectedColor = ColorHandler.HSVtoColor(hsv);
this._argb = ColorHandler.HSVtoRGB(hsv);
this._fullColor = ColorHandler.HSVtoColor(hsv.Alpha, hsv.Hue, hsv.Saturation, 255);
}
/// <summary>
/// Draws the images
/// </summary>
/// <param name="g">Graphics context to draw with</param>
/// <param name="mousePoint">MousePoint to draw</param>
public void Draw(Graphics g, Point mousePoint)
{
var newColorPoint = this._colorPoint;
var newBrightnessPoint = this._brightnessPoint;
this._graphics = g;
if (this._currentState == MouseState.MouseUp)
{
if (!mousePoint.IsEmpty)
{
if (this._colorRegion.IsVisible(mousePoint))
this._currentState = MouseState.ClickOnColor;
else if (this._brightnessRegion.IsVisible(mousePoint))
this._currentState = MouseState.ClickOnBrightness;
else
this._currentState = MouseState.ClickOutsideRegion;
}
}
switch (this._currentState)
{
case MouseState.ClickOnBrightness:
case MouseState.DragInBrightness:
var newPoint = mousePoint;
if (newPoint.Y < this._brightnessMin)
{
newPoint.Y = this._brightnessMin;
}
else if (newPoint.Y > this._brightnessMax)
{
newPoint.Y = this._brightnessMax;
}
newBrightnessPoint = new Point(this._brightnessX, newPoint.Y);
this._brightness = (int)((this._brightnessMax - newPoint.Y) * this._brightnessScaling);
this._hsv.Value = this._brightness;
this._argb = ColorHandler.HSVtoRGB(this._hsv);
break;
case MouseState.ClickOnColor:
case MouseState.DragInColor:
newColorPoint = mousePoint;
var delta = new Point(mousePoint.X - this._centerPoint.X, mousePoint.Y - this._centerPoint.Y);
var degrees = CalcDegrees(delta);
var distance = Math.Sqrt(delta.X * delta.X + delta.Y * delta.Y) / this._radius;
if (this._currentState == MouseState.DragInColor)
{
if (distance > 1)
{
distance = 1;
newColorPoint = GetPoint(degrees, this._radius, this._centerPoint);
}
}
this._hsv.Hue = (degrees * 255 / 360);
this._hsv.Saturation = (int)(distance * 255);
this._hsv.Value = this._brightness;
this._argb = ColorHandler.HSVtoRGB(this._hsv);
this._fullColor = ColorHandler.HSVtoColor(this._hsv.Alpha, this._hsv.Hue, this._hsv.Saturation, 255);
break;
}
this._selectedColor = ColorHandler.HSVtoColor(this._hsv);
this.OnColorChanged(this._argb, this._hsv);
switch (this._currentState)
{
case MouseState.ClickOnBrightness:
this._currentState = MouseState.DragInBrightness;
break;
case MouseState.ClickOnColor:
this._currentState = MouseState.DragInColor;
break;
case MouseState.ClickOutsideRegion:
this._currentState = MouseState.DragOutsideRegion;
break;
}
this._colorPoint = newColorPoint;
this._brightnessPoint = newBrightnessPoint;
this.UpdateDisplay();
}
