//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;
}
/// <summary>
/// Shows a specified channel in the loaded <see cref="HDRI"/>
/// </summary>
/// <param name="channel">I think 0 is red?</param>
private async void ShowChannel(int channel)
{
SaveButton.IsEnabled = false;
RecalculateButton.IsEnabled = false;
BlenderSlider.IsEnabled = false;
if (HDRI == null)
{
return;
}
calculated = new LDRImage();
await calculated.LoadFromBytes(HDRI.TransformChannel(channel), HDRI.Width, HDRI.Height);
ShowCalculated();
}
