//saves the image as a .png image
private async void SavePNG(object sender, RoutedEventArgs e)
{
LDRImage HDRPreview = new LDRImage();
await HDRPreview.LoadFromBytes(HDRI.Transform(), HDRI.Width, HDRI.Height);
HDRPreview.SaveFile();
}
//Called when the play button is pressed
private async void Recalculate(object sender, TappedRoutedEventArgs e)
{
//Re-renders the HDR image based on the new slider value
HDRI = Blending.Blend(sliderValue / 100f, underExp, regExp, overExp);
//Creates and displays a preview LDR image based off of the HDR image
HDRPreview = new LDRImage();
await HDRPreview.LoadFromBytes(HDRI.Transform(), HDRI.Width, HDRI.Height);
HDRImage.Source = HDRPreview.GetBitmapImage();
RecalculateButton.IsEnabled = false;
}
