public TapCircleImage()
{
gesture = new TapGestureRecognizer();
gesture.Tapped += gestureTapped;
GestureRecognizers.Clear();
GestureRecognizers.Add(gesture);
}
public TapImage()
{
gesture = new TapGestureRecognizer();
gesture.Tapped += gestureTapped;
GestureRecognizers.Clear();
GestureRecognizers.Add(gesture);
CacheType = FFImageLoading.Cache.CacheType.Memory;
}
void UpdateCommand()
{
GestureRecognizers.Clear();
GestureRecognizers.Add(new TapGestureRecognizer
{
Command = Command
});
}
public ImageCropView()
{
HorizontalOptions = LayoutOptions.Center;
VerticalOptions = LayoutOptions.Center;
_crop = new CropTransformation();
_image = new CustomCachedImage()
{
LoadingDelay = 0,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
InputTransparent = true,
Aspect = Aspect.Fill,
Transformations = new List <ITransformation>()
{
_crop
},
};
_root = new Grid()
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
InputTransparent = true,
Children =
{
_image
}
};
var pinchGesture = new PinchGestureRecognizer();
pinchGesture.PinchUpdated += PinchGesture_PinchUpdated;;
var panGesture = new PanGestureRecognizer();
panGesture.PanUpdated += PanGesture_PanUpdated;
GestureRecognizers.Clear();
GestureRecognizers.Add(pinchGesture);
GestureRecognizers.Add(panGesture);
_pinchObservable = Observable.FromEventPattern <PinchGestureUpdatedEventArgs>(pinchGesture, "PinchUpdated")
.Select(v => v.EventArgs).Where(v => v.Status == GestureStatus.Running);
_panObservable = Observable.FromEventPattern <PanUpdatedEventArgs>(panGesture, "PanUpdated")
.Select(v => v.EventArgs).Where(v => v.StatusType == GestureStatus.Running);
HandlePreviewTransformations(null, PreviewTransformations);
Content = _root;
ResetCrop();
SetDelay();
}
public void Dispose()
{
if (GestureRecognizers != null)
{
GestureRecognizers.Clear();
}
if (_toggleImage != null)
{
_toggleImage.Source = null;
}
}
public ImageCropView()
{
HorizontalOptions = LayoutOptions.Center;
VerticalOptions = LayoutOptions.Center;
_crop = new CropTransformation();
_image = new CustomCachedImage()
{
LoadingDelay = 0,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
InputTransparent = true,
Aspect = Aspect,
Transformations = new List <ITransformation>()
{
_crop
},
FadeAnimationEnabled = false,
};
SetupImageView(_image);
_root = new Grid()
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
InputTransparent = true,
Children =
{
_image
}
};
_intervalThrottle = new IntervalThrottle(Delay,
_image.LoadImage, _image.LoadImage, _image.LoadRefinedImage);
_pinchGesture = new PinchGestureRecognizer();
_pinchGesture.PinchUpdated += PinchGesture_PinchUpdated;;
_panGesture = new PanGestureRecognizer();
_panGesture.PanUpdated += PanGesture_PanUpdated;
GestureRecognizers.Clear();
GestureRecognizers.Add(_pinchGesture);
GestureRecognizers.Add(_panGesture);
HandlePreviewTransformations(null, PreviewTransformations);
Content = _root;
ResetCrop();
}
public void Dispose()
{
if (_skiaView != null)
{
_skiaView.PaintSurface -= OnPaintSurface;
}
if (_tapGestureRecognizer != null)
{
_tapGestureRecognizer.Tapped -= OnTapped;
}
GestureRecognizers.Clear();
}
/// <summary>
/// On ToggleOnTouch changed
/// </summary>
/// <param name="oldValue">Old Value</param>
/// <param name="newValue">New Value</param>
protected virtual void OnToggleOnTouchChanged(object oldValue, object newValue)
{
bool b = (bool)newValue;
if (b)
{
GestureRecognizers.Add(new TapGestureRecognizer {
Command = new AtomCommand(() => {
IsChecked = !IsChecked;
return(Task.CompletedTask);
})
});
}
else
{
GestureRecognizers.Clear();
}
}
private void Initialize()
{
ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(1, GridUnitType.Star)
});
RowDefinitions.Add(new RowDefinition()
{
Height = new GridLength(1, GridUnitType.Star)
});
ButtonFrame = new SupportFrame()
{
HasShadow = Shadow,
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
Padding = 0,
CornerRadius = CornerRadius
};
if (Device.RuntimePlatform == Device.iOS)
{
ButtonFrame.BackgroundColor = Color.Transparent;
}
else if (Device.RuntimePlatform == Device.Android)
{
ButtonFrame.BackgroundColor = FrameBackgroundColor;
}
ButtonTitleLabel = new Label();
ButtonImage = new Image();
Children.Clear();
Children.Add(ButtonFrame);
tapGestureRecognizer = new TapGestureRecognizer();
tapGestureRecognizer.Tapped += (sender, e) => {
ClickedCommand?.Execute(CommandParameter);
};
GestureRecognizers.Clear();
GestureRecognizers.Add(tapGestureRecognizer);
}
public ImageButton()
{
Padding = 0;
GestureRecognizers.Clear();
GestureRecognizers.Add(new TapGestureRecognizer());
_image = new CachedImage()
{
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
FadeAnimationEnabled = false,
};
HeightRequest = 36d;
WidthRequest = 36d;
IconSize = 25d;
Content = _image;
}
public void Dispose()
{
foreach (var card in _cards)
{
if (card != null)
{
ViewExtensions.CancelAnimations(card);
}
}
GestureRecognizers.Clear();
if (this.ItemsSource != null)
{
var observable = this.ItemsSource as INotifyCollectionChanged;
if (observable != null)
{
observable.CollectionChanged -= this.OnItemSourceCollectionChanged;
}
}
}
public ToggleButton()
{
Image = new CachedImage()
{
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
FadeAnimationEnabled = false,
};
State = false;
Padding = 0;
GestureRecognizers.Clear();
GestureRecognizers.Add(new TapGestureRecognizer());
(GestureRecognizers.First() as TapGestureRecognizer).Tapped += tap;
HeightRequest = 36d;
WidthRequest = 36d;
IconSize = 25d;
Content = Image;
}
public AnimatedTapLabel()
{
tap.Tapped += tapTapped;
GestureRecognizers.Clear();
GestureRecognizers.Add(tap);
}
protected override void OnPropertyChanged(string propertyName = null)
{
base.OnPropertyChanged(propertyName);
if (propertyName == PreviewTransformationsProperty.PropertyName)
{
ResetCrop();
SetPreviewTransformations();
}
else if (propertyName == SourceProperty.PropertyName)
{
ResetCrop();
_image.SetSource(Source);
}
else if (propertyName == FrameViewProperty.PropertyName)
{
if (_frame != null)
{
_root.Children.Remove(_frame);
}
_frame = FrameView;
if (FrameView != null)
{
FrameView.InputTransparent = true;
FrameView.HorizontalOptions = LayoutOptions.FillAndExpand;
FrameView.VerticalOptions = LayoutOptions.FillAndExpand;
_root.Children.Add(FrameView);
}
}
else if (propertyName == DelayProperty.PropertyName)
{
_intervalThrottle.Delay = Delay;
}
else if (propertyName == PreviewMaxResolutionProperty.PropertyName)
{
_image.PreviewResolution = PreviewMaxResolution;
}
else if (propertyName == RefinedMaxResolutionProperty.PropertyName)
{
_image.RefinedResolution = RefinedMaxResolution;
}
else if (propertyName == TouchGesturesEnabledProperty.PropertyName)
{
GestureRecognizers.Clear();
if (TouchGesturesEnabled)
{
GestureRecognizers.Add(_pinchGesture);
GestureRecognizers.Add(_panGesture);
}
}
else if (propertyName == ManualZoomProperty.PropertyName)
{
_crop.ZoomFactor = Clamp(ManualZoom, MIN_SCALE, MaxZoom);
_intervalThrottle.Handle();
}
else if (propertyName == ManualOffsetXProperty.PropertyName)
{
_crop.XOffset = Clamp(ManualOffsetX / _crop.CropWidthRatio, -Width / 2 / _crop.ZoomFactor, Width / 2 / _crop.ZoomFactor);
_intervalThrottle.Handle();
}
else if (propertyName == ManualOffsetYProperty.PropertyName)
{
_crop.YOffset = Clamp(ManualOffsetY / _crop.CropHeightRatio, -Height / 2 / _crop.ZoomFactor, Height / 2 / _crop.ZoomFactor);
_intervalThrottle.Handle();
}
else if (propertyName == ImageRotationProperty.PropertyName)
{
ResetCrop();
_image.ImageRotation = ImageRotation;
}
}
public void Dispose()
{
_skiaView.PaintSurface -= Handle_PaintSurface;
GestureRecognizers.Clear();
}
