/// <summary>
/// Helper class to redraw the IImageSurface asynchronously
/// </summary>
/// <returns>Task</returns>
private async Task RedrawSurfaceAsync()
{
// Cache the canvasBitmap to avoid reloading of the same image during Resize/Redraw operations
_canvasBitmap = await _generator.RedrawImageSurfaceAsync(_surfaceLock, _surface, _uri, Options, _canvasBitmap);
// If AutoResize is allowed and the image is successfully loaded into the canvasBitmap,
// then update the Size property of the surface as the surface has been resized to match the canvasBitmap size
if (Options.AutoResize)
{
// If the image is successfully loaded into the canvasBitmap, then update the Size property
// of the surface as the surface has been resized to match the canvasBitmap size
Size = _canvasBitmap?.Size ?? new Size(0, 0);
}
Status = _canvasBitmap != null ? ImageSurfaceLoadStatus.Success : ImageSurfaceLoadStatus.Error;
// Get the canvasbitmap dimensions
if (_canvasBitmap != null)
{
DecodedPhysicalSize = new Size(_canvasBitmap.SizeInPixels.Width, _canvasBitmap.SizeInPixels.Height);
DecodedSize = _canvasBitmap.Size;
}
// Raise the event
if (_raiseLoadCompletedEvent)
{
LoadCompleted?.Invoke(this, Status);
_raiseLoadCompletedEvent = false;
}
}
/// <summary>
/// Helper class to redraw the SurfaceImage asynchronously
/// </summary>
/// <returns>Task</returns>
private async Task RedrawSurfaceImageInternalAsync()
{
// Cache the canvasBitmap to avoid reloading of the same image during Resize/Redraw operations
_canvasBitmap = await _generator.RedrawImageSurfaceAsync(_surfaceLock, _surface, _uri, Options, _canvasBitmap);
// If AutoResize is allowed and the image is successfully loaded into the canvasBitmap,
// then update the Size property of the surface as the surface has been resized to match the canvasBitmap size
if (Options.AutoResize)
{
// If the image is successfully loaded into the canvasBitmap, then update the Size property
// of the surface as the surface has been resized to match the canvasBitmap size
Size = _canvasBitmap?.Size ?? new Size(0, 0);
}
}