public Task <IDecodedImage <PImage> > DecodeAsync(Stream stream, string path, ImageSource source, ImageInformation imageInformation, TaskParameter parameters)
{
if (_decoder == null)
{
_decoder = new WebPCodec();
}
var result = new DecodedImage <PImage>();
result.Image = _decoder.Decode(stream);
var downsampleWidth = parameters.DownSampleSize?.Item1 ?? 0;
var downsampleHeight = parameters.DownSampleSize?.Item2 ?? 0;
// TODO allowUpscale
// bool allowUpscale = parameters.AllowUpscale ?? Configuration.AllowUpscale;
if (parameters.DownSampleUseDipUnits)
{
downsampleWidth = downsampleWidth.DpToPixels();
downsampleHeight = downsampleHeight.DpToPixels();
}
if (downsampleWidth != 0 || downsampleHeight != 0)
{
var interpolationMode = parameters.DownSampleInterpolationMode == InterpolationMode.Default ? Configuration.DownsampleInterpolationMode : parameters.DownSampleInterpolationMode;
var old = result.Image;
result.Image = old.ResizeUIImage(downsampleWidth, downsampleHeight, interpolationMode);
old.TryDispose();
}
return(Task.FromResult <IDecodedImage <PImage> >(result));
}
private async void LoadImage()
{
var decoder = new WebP.Mac.WebPCodec();
var httpClient = new HttpClient();
using (var stream = await httpClient.GetStreamAsync("http://www.gstatic.com/webp/gallery/1.webp").ConfigureAwait(false))
{
var image = decoder.Decode(stream);
InvokeOnMainThread(() =>
{
var imageView = new NSImageView(new CGRect(0, 0, View.Bounds.Width, View.Bounds.Height));
View.AddSubview(imageView);
imageView.Image = image;
});
}
}
private async void LoadImage()
{
var decoder = new WebP.Mac.WebPCodec();
var httpClient = new HttpClient();
using (var stream = await httpClient.GetStreamAsync("https://res.cloudinary.com/demo/image/upload/w_300/sample.webp").ConfigureAwait(false))
{
var image = decoder.Decode(stream);
InvokeOnMainThread(() =>
{
var imageView = new NSImageView(new CGRect(0, 0, View.Bounds.Width, View.Bounds.Height));
View.AddSubview(imageView);
imageView.Image = image;
});
}
}
