public ImageProviderElement()
{
this.InitializeComponent();
renderer = new SwapChainPanelRenderer();
renderer.Source = ImageResourceProvider.DefaultImage;
}
public async Task <bool> ApplyEffectAsync(StorageFile file, SwapChainPanelRenderer m_renderer)
{
IRandomAccessStream fileStream = await file.OpenAsync(FileAccessMode.Read);
string errorMessage = null;
try
{
fileStream.Seek(0);
((IImageConsumer)_grayscaleEffect).Source = new Lumia.Imaging.RandomAccessStreamImageSource(fileStream);
await m_renderer.RenderAsync();
}
catch (Exception exception)
{
errorMessage = exception.Message;
}
if (!string.IsNullOrEmpty(errorMessage))
{
var dialog = new MessageDialog(errorMessage);
await dialog.ShowAsync();
return(false);
}
return(true);
}
private async void SwapChainPanelTarget_Loaded(object sender, RoutedEventArgs e)
{
if (SwapChainPanelTarget.ActualHeight > 0 && SwapChainPanelTarget.ActualWidth > 0)
{
if (m_renderer == null)
{
m_renderer = new SwapChainPanelRenderer(_brightnessEffect, SwapChainPanelTarget);
if (protocolForResultsArgs == null)
{
await LoadDefaultImageAsync();
}
//else
//{
// await ApplyEffectAsync(protocolForResultsImageFile);
// SaveButton.IsEnabled = true;
//}
}
}
SwapChainPanelTarget.SizeChanged += async(s, args) =>
{
await m_renderer.RenderAsync();
};
}
private void SwapChainPanelTarget_Loaded(object sender, RoutedEventArgs e)
{
if (SwapChainPanelTarget.ActualHeight > 0 && SwapChainPanelTarget.ActualWidth > 0)
{
if (renderer == null)
{
renderer = new SwapChainPanelRenderer(grayscaleEffect, SwapChainPanelTarget);
}
}
}
public MainPage()
{
this.InitializeComponent();
bitmap = new WriteableBitmap(10, 10);
grayscaleEffect = new GrayscaleEffect();
//renderer = new SwapChainPanelRenderer(grayscaleEffect, SwapChainPanelTarget);
if (SwapChainPanelTarget.ActualHeight > 0 && SwapChainPanelTarget.ActualWidth > 0)
{
if (renderer == null)
{
renderer = new SwapChainPanelRenderer(grayscaleEffect, SwapChainPanelTarget);
}
}
}
private void ImageSwapChainPanel_Loaded(object sender, RoutedEventArgs e)
{
if (this.ImageSwapChainPanel.ActualHeight > 0 && this.ImageSwapChainPanel.ActualWidth > 0)
{
if (this.renderer == null)
{
this.renderer = new SwapChainPanelRenderer(this.viewModel.blur, this.ImageSwapChainPanel);
}
}
this.ImageSwapChainPanel.SizeChanged += async (s, args) =>
{
await this.renderer.RenderAsync();
};
}
private async void SwapChainPanelTarget_Loaded(object sender, RoutedEventArgs e)
{
if (SwapChainPanelTarget.ActualHeight > 0 && SwapChainPanelTarget.ActualWidth > 0)
{
if (m_renderer == null)
{
m_renderer = new SwapChainPanelRenderer(_brightnessEffect, SwapChainPanelTarget);
await LoadDefaultImageAsync();
}
}
SwapChainPanelTarget.SizeChanged += async(s, args) =>
{
await m_renderer.RenderAsync();
};
}
private async void SwapChainPanelTarget_Loaded(object sender, RoutedEventArgs e)
{
if (SwapChainPanelTarget.ActualHeight > 0 && SwapChainPanelTarget.ActualWidth > 0)
{
if (m_renderer == null)
{
m_renderer = new SwapChainPanelRenderer(_brightnessEffect, SwapChainPanelTarget);
await LoadDefaultImageAsync();
}
}
SwapChainPanelTarget.SizeChanged += async (s, args) =>
{
await m_renderer.RenderAsync();
};
}
private async void OnTargetSwapChainPanelLoaded(FrameworkElement frameworkElement)
{
m_targetSwapChainPanel = (SwapChainPanel)frameworkElement;
if (m_targetSwapChainPanel.ActualHeight == 0 || m_targetSwapChainPanel.ActualWidth == 0)
{
m_targetSwapChainPanel.Width = 800;
m_targetSwapChainPanel.Height = 800;
}
m_renderer = new SwapChainPanelRenderer(CurrentSelectedEffect.Effect, m_targetSwapChainPanel);
await LoadDefaultImageAsync();
m_targetSwapChainPanel.SizeChanged += async(sender, args) =>
{
if (m_targetSwapChainPanel.ActualHeight > 0 && m_targetSwapChainPanel.ActualWidth > 0)
{
SourceImageObservedWidth = m_targetSwapChainPanel.ActualWidth;
SourceImageObservedHeight = m_targetSwapChainPanel.ActualHeight;
await RenderAsync();
}
};
}
private async Task <RenderResult> RenderSwapChainPanelAsync(IImageProvider effect, Size renderSize, long setupTimeMillis)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
if (m_swapChainPanelRenderer == null)
{
m_swapChainPanelRenderer = new SwapChainPanelRenderer(effect, SwapChainPanel);
}
m_swapChainPanelRenderer.RenderOptions = Lumia.Imaging.RenderOptions.Mixed;
m_swapChainPanelRenderer.Source = effect;
await m_swapChainPanelRenderer.RenderAsync().AsTask().ConfigureAwait(false);
stopwatch.Stop();
long renderTimeMillis = stopwatch.ElapsedMilliseconds;
Debug.WriteLine("Finished rendering " + renderTimeMillis);
m_isRendering = false;
return(new RenderResult(SwapChainPanel, renderSize, setupTimeMillis, renderTimeMillis));
}
/// <summary>
/// Apply filter to image
/// </summary>
/// <param name="fileStream"></param>
private async Task ApplyEffectAsync(IRandomAccessStream fileStream, IImageProvider provider, SwapChainPanel target)
{
using (var _renderer = new SwapChainPanelRenderer(provider, target))
{
try
{
// Rewind the stream to start.
fileStream.Seek(0);
// Set the imageSource on the effect and render.
((IImageConsumer)provider).Source = new RandomAccessStreamImageSource(fileStream);
await _renderer.RenderAsync();
}
catch (Exception exception)
{
System.Diagnostics.Debug.WriteLine(exception.Message);
}
}
}
private async Task<RenderResult> RenderSwapChainPanelAsync(IImageProvider effect, Size renderSize, long setupTimeMillis)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
if (m_swapChainPanelRenderer == null)
{
m_swapChainPanelRenderer = new SwapChainPanelRenderer(effect, SwapChainPanel);
}
m_swapChainPanelRenderer.RenderOptions = Lumia.Imaging.RenderOptions.Mixed;
m_swapChainPanelRenderer.Source = effect;
await m_swapChainPanelRenderer.RenderAsync().AsTask().ConfigureAwait(false);
stopwatch.Stop();
long renderTimeMillis = stopwatch.ElapsedMilliseconds;
Debug.WriteLine("Finished rendering " + renderTimeMillis);
m_isRendering = false;
return new RenderResult(SwapChainPanel, renderSize, setupTimeMillis, renderTimeMillis);
}
private async void OnTargetSwapChainPanelLoaded(FrameworkElement frameworkElement)
{
m_targetSwapChainPanel = (SwapChainPanel)frameworkElement;
if (m_targetSwapChainPanel.ActualHeight == 0 || m_targetSwapChainPanel.ActualWidth == 0)
{
m_targetSwapChainPanel.Width = 800;
m_targetSwapChainPanel.Height = 800;
}
m_renderer = new SwapChainPanelRenderer(CurrentSelectedEffect.Effect, m_targetSwapChainPanel);
await LoadDefaultImageAsync();
m_targetSwapChainPanel.SizeChanged += async (sender, args) =>
{
if (m_targetSwapChainPanel.ActualHeight > 0 && m_targetSwapChainPanel.ActualWidth > 0)
{
SourceImageObservedWidth = m_targetSwapChainPanel.ActualWidth;
SourceImageObservedHeight = m_targetSwapChainPanel.ActualHeight;
await RenderAsync();
}
};
}
