private async void TransitionTimerTickAsync(object sender, EventArgs e)
{
TransitionTimer.Stop();
if (progressBar.Value >= 1f)
{
progressBar.Value = 0d;
EnableUI();
return;
}
BlendingModes blendingMode = (BlendingModes)blendingMode_ComboBox.SelectedIndex;
TransitionModes transitionMode = (TransitionModes)transitionMode_ComboBox.SelectedIndex;
float opacity = Convert.ToSingle(opacity_Slider.Value);
if (transitionMode == TransitionModes.NoTransition)
{
await Task.Run(() => Perform(blendingMode, transitionMode, opacity));
progressBar.Value = 0d;
EnableUI();
return;
}
float previousPercentage = Convert.ToSingle(progressBar.Value);
float percentage = Convert.ToSingle(progressBar.Value += 0.025d);
await Task.Run(() => Perform(blendingMode, transitionMode, opacity, previousPercentage, percentage));
TransitionTimer.Start();
}
private void BlendingModeChanged(object sender, SelectionChangedEventArgs e)
{
if (IsInitialized)
{
BlendingModes blendingMode = (BlendingModes)blendingMode_ComboBox.SelectedIndex;
if (blendingMode == BlendingModes.Opacity)
{
opacity_Slider.IsEnabled = true;
}
else
{
opacity_Slider.IsEnabled = false;
}
}
}
private void Perform(BlendingModes blendingMode, TransitionModes transitionMode, float opacity, float previousPercentage = 0f, float percentage = 1f)
{
switch (blendingMode)
{
case BlendingModes.Opacity:
MyImageResult.Opacity(MyImage2, opacity, transitionMode, previousPercentage, percentage);
break;
case BlendingModes.Darken:
MyImageResult.Darken(MyImage2, transitionMode, previousPercentage, percentage);
break;
case BlendingModes.Multiply:
MyImageResult.Multiply(MyImage2, transitionMode, previousPercentage, percentage);
break;
case BlendingModes.Lighten:
MyImageResult.Lighten(MyImage2, transitionMode, previousPercentage, percentage);
break;
case BlendingModes.Screen:
MyImageResult.Screen(MyImage2, transitionMode, previousPercentage, percentage);
break;
case BlendingModes.ColorBurn:
MyImageResult.ColorBurn(MyImage2, transitionMode, previousPercentage, percentage);
break;
case BlendingModes.LinearBurn:
MyImageResult.LinearBurn(MyImage2, transitionMode, previousPercentage, percentage);
break;
case BlendingModes.ColorDodge:
MyImageResult.ColorDodge(MyImage2, transitionMode, previousPercentage, percentage);
break;
case BlendingModes.LinearDodge:
MyImageResult.LinearDodge(MyImage2, transitionMode, previousPercentage, percentage);
break;
case BlendingModes.Overlay:
MyImageResult.Overlay(MyImage2, transitionMode, previousPercentage, percentage);
break;
case BlendingModes.SoftLight:
MyImageResult.SoftLight(MyImage2, transitionMode, previousPercentage, percentage);
break;
case BlendingModes.HardLight:
MyImageResult.HardLight(MyImage2, transitionMode, previousPercentage, percentage);
break;
case BlendingModes.Difference:
MyImageResult.Difference(MyImage2, transitionMode, previousPercentage, percentage);
break;
}
WriteableBitmap writeableBitmap;
if (transitionMode == TransitionModes.Fade)
{
writeableBitmap = MyImageResult.Fade(MyImage1, percentage);
}
else
{
writeableBitmap = MyImageResult.WriteableBitmap.Clone();
writeableBitmap.Freeze();
}
Dispatcher.Invoke(() =>
{
resultImage.Source = writeableBitmap;
});
}
