private void Uninitialize()
{
_initialized = false;
if (_timer != null)
{
_timer.Stop();
_timer.Tick -= DispatcherTimer_Tick;
_timer = null;
}
if (_renderer != null)
{
_renderer.Dispose();
_renderer = null;
}
if (_effect != null)
{
_effect.Dispose();
_effect = null;
}
_filters = null;
_chromaKeyFilter = null;
_rotationFilter = null;
_bitmap = null;
if (_source != null)
{
_source.Dispose();
_source = null;
}
}
/// <summary>
/// Renders the given buffer with the applied filters to an output
/// buffer and returns it. Meant to be used where the filtered image
/// is, for example, going to be saved to a file.
/// </summary>
/// <param name="buffer">The buffer containing the original image data.</param>
/// <returns>Buffer containing the filtered image data.</returns>
public virtual async Task <IBuffer> RenderJpegAsync(IBuffer buffer)
{
if (buffer == null || buffer.Length == 0)
{
Debug.WriteLine(DebugTag + Name + ": RenderJpegAsync(): The given buffer is null or empty!");
return(null);
}
if (_effect != null)
{
_effect.Dispose();
_effect = null;
}
// Construct the FilterEffect instance and set the
// filters.
_effect = new FilterEffect(_source);
SetFilters(_effect);
IBuffer outputBuffer;
using (var source = new BufferImageSource(buffer))
{
var effect = new FilterEffect(source);
SetFilters(effect);
using (var renderer = new JpegRenderer(effect))
{
outputBuffer = await renderer.RenderAsync();
}
effect.Dispose();
}
return(outputBuffer);
}
/// <summary>
/// From IDisposable.
/// </summary>
public void Dispose()
{
System.Diagnostics.Debug.WriteLine("Disposing effect.");
if (_source != null)
{
_source.Dispose();
_source = null;
}
if (_effect != null)
{
_effect.Dispose();
_effect = null;
}
}
private void Uninitialize()
{
if (_cameraPreviewImageSource != null)
{
_cameraPreviewImageSource.Dispose();
_cameraPreviewImageSource = null;
}
if (_filterEffect != null)
{
_filterEffect.Dispose();
_filterEffect = null;
}
if (_customEffect != null)
{
_customEffect.Dispose();
_customEffect = null;
}
}
private void EndSession()
{
if (_renderer != null)
{
_renderer.Dispose();
_renderer = null;
}
if (_filterEffect != null)
{
_filterEffect.Dispose();
_filterEffect = null;
}
if (_source != null)
{
_source.Dispose();
_source = null;
}
_reframingFilter = null;
_info = null;
}
/// <summary>
/// Renders the given buffer with the applied filters to an output
/// buffer and returns it. Meant to be used where the filtered image
/// is, for example, going to be saved to a file.
/// </summary>
/// <param name="buffer">The buffer containing the original image data.</param>
/// <returns>Buffer containing the filtered image data.</returns>
public virtual async Task<IBuffer> RenderJpegAsync(IBuffer buffer)
{
if (buffer == null || buffer.Length == 0)
{
Debug.WriteLine(DebugTag + Name + ": RenderJpegAsync(): The given buffer is null or empty!");
return null;
}
if (_effect != null)
{
_effect.Dispose();
_effect = null;
}
// Construct the FilterEffect instance and set the
// filters.
_effect = new FilterEffect(_source);
SetFilters(_effect);
IBuffer outputBuffer;
using (var source = new BufferImageSource(buffer))
{
var effect = new FilterEffect(source);
SetFilters(effect);
using (var renderer = new JpegRenderer(effect))
{
outputBuffer = await renderer.RenderAsync();
}
effect.Dispose();
}
return outputBuffer;
}
