/// <summary>
/// Interpolates the forecolor of a windows forms control (or any object with a ForeColor property).
/// </summary>
/// <param name="animationMessage">The control whose forecolor is meant to be interpolated.</param>
/// <param name="destinationColor">The target colour to interpolate the backcolor to.</param>
/// <param name="interpolator">The interpolator object used for calculating interpolations of colours as well as animation durations.</param>
/// <param name="sourceColor">The colour to which start interpolating from.</param>
public static void InterpolateForecolor(AnimMessage animationMessage, AnimInterpolator interpolator, Color sourceColor, Color destinationColor)
{
// Retrieve the BackColor Property via Reflection.
var property = animationMessage.Control.GetType().GetProperty("ForeColor");
// Call internal overload.
InterpolateColor(property, animationMessage, interpolator, sourceColor, destinationColor);
}
/// <summary>
/// Interpolates the backcolor of a windows forms control (or any object with a BackColor property).
/// </summary>
/// <param name="animationMessage">The control whose backcolor is meant to be interpolated.</param>
/// <param name="destinationColor">The target colour to interpolate the backcolor to.</param>
/// <param name="interpolator">The interpolator object used for calculating interpolations of colours as well as animation durations.</param>
public static void InterpolateBackcolor(AnimMessage animationMessage, AnimInterpolator interpolator, Color destinationColor)
{
// Retrieve the BackColor Property via Reflection.
var property = animationMessage.Control.GetType().GetProperty("BackColor");
// Calculate the original colour.
Color originalColor = (Color)property?.GetValue(animationMessage.Control);
// Call internal overload.
InterpolateColor(property, animationMessage, interpolator, originalColor, destinationColor);
}
private static async void InterpolateColor(PropertyInfo propertyInfo, AnimMessage animationMessage, AnimInterpolator interpolator, Color sourceColor, Color destinationColor)
{
// Safety procedure
try
{
// Calculate all interpolated colours in between.
Lch originalColorLch = ColorspaceConverter.ColorToLch(sourceColor);
Lch newColorLch = ColorspaceConverter.ColorToLch(destinationColor);
List <Lch> lchColours = interpolator.CalculateIntermediateColours(originalColorLch, newColorLch);
// Converted interpolated colours to RGB.
List <Color> interpolatedColours = ColorspaceConverter.LchListToColor(lchColours);
// Check if object is a winform control.
Control winFormControl = animationMessage.Control as Control;
bool isWinFormControl = winFormControl != null;
// Interpolate over the colours.
foreach (Color newBackgroundColour in interpolatedColours)
{
// Check exit condition.
if (animationMessage.PlayAnimation == false)
{
return;
}
// Set the BackColor
if (isWinFormControl)
{
winFormControl.Invoke((ChangeColorDelegate)ChangeColor, propertyInfo, winFormControl, newBackgroundColour);
}
else
{
propertyInfo.SetValue(animationMessage.Control, newBackgroundColour, null);
}
// Wait
await Task.Delay(interpolator.SleepTime);
}
} catch { }
}
