static IControl ImageImpl(
IScheduler dispatcher,
IObservable <IImage> streams,
Optional <IObservable <Color> > overlayColor,
Optional <IObservable <IColorMap> > colorMap,
Optional <IObservable <Ratio <Pixels, Points> > > dpiOverride)
{
BehaviorSubject <Size <Points> > desiredSize = new BehaviorSubject <Size <Points> >(Size.Zero <Points>());
return(Control.Create(
ctrl =>
{
var dummyControl = new DpiAwareView()
{
AutoresizesSubviews = true
};
ctrl.BindNativeDefaults(dummyControl, dispatcher);
var tintedImage = new TintedImage()
{
AutoresizingMask = NSViewResizingMask.WidthSizable | NSViewResizingMask.HeightSizable
};
dummyControl.AddSubview(tintedImage);
ctrl.BindNativeProperty(dispatcher, "image", dpiOverride.Or(dummyControl.GetDpi())
.CombineLatest(streams, colorMap.Select(x => x.Select(Optional.Some)).Or(Observable.Return <Optional <IColorMap> >(Optional.None())),
(dpi, imgStreams, cm) => new { dpi, imgStreams, colorMap = cm }),
x =>
{
var iv = x.imgStreams.Load <NSImage>(x.dpi, x.colorMap);
tintedImage.CurrentImage = iv.Image;
tintedImage.SetFrameSize(dummyControl.Frame.Size);
var size = Size.Create <Pixels>((double)iv.Image.Size.Width, (double)iv.Image.Size.Height) / iv.ScaleFactor;
desiredSize.OnNext(size);
});
overlayColor.Do(
colorObs =>
{
ctrl.BindNativeProperty(
dispatcher,
"tintColor",
colorObs,
color => tintedImage.TintColor = color.ToNSColor());
});
return dummyControl;
}).WithSize(desiredSize.Transpose()));
}
static IControl AnimateImpl(IList <ImageStream> streams, TimeSpan duration, IObservable <Color> overlayColor, IScheduler dispatcher)
{
var imgSize = new Size <Points>(0, 0);
return(Control.Create(
ctrl =>
{
var nsimages = new List <NSImage>();
foreach (var imageStream in streams)
{
var img = NSImage.FromStream(imageStream.Create());
imgSize = imgSize.Max((double)img.Size.Width, (double)img.Size.Height);
nsimages.Add(img);
}
var timePerImage = duration.TotalMilliseconds / nsimages.Count;
var images = Observable.Interval(TimeSpan.FromMilliseconds((int)timePerImage))
.Select(f => nsimages[(int)f % nsimages.Count]);
var dummyControl = new DpiAwareView()
{
AutoresizesSubviews = true
};
dummyControl
.GetDpi()
.ConnectWhile(ctrl.IsRooted)
.Select(
dpi => Observable.FromAsync(
async() =>
{
var tintedImage = await Fusion.Application.MainThread.InvokeAsync(
() =>
new TintedImage(nsimages[0], false)
{
AutoresizingMask = NSViewResizingMask.WidthSizable | NSViewResizingMask.HeightSizable
});
ctrl.BindNativeProperty(
dispatcher,
"currImage",
images,
image => tintedImage.CurrentImage = image);
ctrl.BindNativeProperty(
dispatcher,
"tintColor",
overlayColor,
color => tintedImage.TintColor = color.ToNSColor());
await Fusion.Application.MainThread.InvokeAsync(
() =>
{
if (dummyControl.Subviews.IsEmpty() == false)
{
dummyControl.Subviews.Last().RemoveFromSuperview();
}
tintedImage.SetFrameSize(dummyControl.Frame.Size);
dummyControl.AddSubview(tintedImage);
return Unit.Default;
});
return Unit.Default;
}))
.Concat()
.Subscribe();
ctrl.BindNativeDefaults(dummyControl, dispatcher);
return dummyControl;
}).WithSize(imgSize));
}
