public void TestConstructors ()
{
var filesource = new FileImageSource { File = "File.png" };
Assert.AreEqual ("File.png", filesource.File);
Func<CancellationToken, Task<Stream>> stream = token => new Task<Stream> (() => new FileStream ("Foo", System.IO.FileMode.Open), token);
var streamsource = new StreamImageSource { Stream = stream };
Assert.AreEqual (stream, streamsource.Stream);
}
public RoundedButton(int radius)
{
base.BorderRadius = radius;
base.WidthRequest = 2 * radius;
base.HeightRequest = 2 * radius;
HorizontalOptions = LayoutOptions.Center;
VerticalOptions = LayoutOptions.Center;
BackgroundColor = Color.Aqua;
BorderColor = Color.White;
TextColor = Color.Purple;
Text = "YAY";
Image = new FileImageSource { File = "crimson.jpg" };
}
public ChartsPage()
{
ActivityIndicator indicator = new ActivityIndicator()
{
VerticalOptions = LayoutOptions.Start,
HorizontalOptions = LayoutOptions.Center,
IsRunning = true,
IsVisible = true
};
indicator.SetBinding(ActivityIndicator.IsRunningProperty, "IsBusy");
indicator.SetBinding(ActivityIndicator.IsVisibleProperty, "IsBusy");
Task.WhenAll(Takingcareofbussiness());
Title = "ChartPage";
Icon = new FileImageSource {
File = "robot.png"
};
NavigationPage.SetBackButtonTitle(this, "go back");
chart = new SfChart();
//Initializing Primary Axis
CategoryAxis primaryAxis = new CategoryAxis
{
Title = new ChartAxisTitle()
{
Text = "Date"
}
};
//Initializing Secondary Axis
NumericalAxis secondaryAxis = new NumericalAxis
{
Title = new ChartAxisTitle()
{
Text = "Transaction"
}
};
//defining each of the axis used for the graphical representations.
chart.PrimaryAxis = primaryAxis;
chart.SecondaryAxis = secondaryAxis;
chart.Title = new ChartTitle()
{
Text = "Transaction Chart"
};
}
public JobListPage()
{
Title = "Jobs";
Icon = new FileImageSource {
File = "sales.png"
};
var view = new JobListView();
view.ItemSelected += ItemSelected;
view.RowHeight = 80;
view.ItemsSource = GetJobs();
Content = view;
}
public async Task <IImage> GetImage(FileImageSource file, CancellationToken token)
{
var handler = new FileImageSourceHandler();
var bitmap = await handler.LoadImageAsync(file, Forms.Context, token);
if (bitmap == null)
{
return(null);
}
var image = new BitmapImage(bitmap, _scale);
return(image);
}
public GuiaPage(string puertaId)
{
InitializeComponent();
AudioList listaAudios = new AudioList();
Puerta = puertaId;
switch (puertaId)
{
case "Puerta1":
Title = "Guía - Puerta 1";
AudiosListView.ItemsSource = listaAudios.List(1);
Ruta.Source = "Ruta1.png";
break;
case "Puerta2":
Title = "Guía - Puerta 2";
AudiosListView.ItemsSource = listaAudios.List(2);
Ruta.Source = "Ruta2.png";
break;
case "Puerta3":
Title = "Guía - Puerta 3";
AudiosListView.ItemsSource = listaAudios.List(3);
Ruta.Source = "Ruta3.png";
break;
case "Puerta4":
Title = "Guía - Puerta 4";
AudiosListView.ItemsSource = listaAudios.List(4);
Ruta.Source = "Ruta4.png";
break;
case "Puerta5":
Title = "Guía - Puerta 5";
AudiosListView.ItemsSource = listaAudios.List(5);
Ruta.Source = "Ruta5.png";
break;
}
pauseImage = new FileImageSource {
File = "icono_pausa.png"
};
playImage = new FileImageSource {
File = "icono_play.png"
};
SetTimer();
}
public async Task <IImage> GetImage(FileImageSource file, CancellationToken token)
{
var handler = new FileImageSourceHandler();
var nativeImage = await handler.LoadImageAsync(file, token);
if (nativeImage == null)
{
return(null);
}
var image = new CGImageImage(nativeImage.CGImage, _scale);
return(image);
}
/// <summary>
/// Helper method to serialize <see cref="ImageSource" /> objects.
/// </summary>
public static string ImageSourceToString(ImageSource imageSource)
{
if (imageSource is null)
{
throw new ArgumentNullException(nameof(imageSource));
}
return(imageSource switch
{
FileImageSource fileImageSource => string.Format(CultureInfo.InvariantCulture, "{0}:{1}", FileImageSourcePrefix, fileImageSource.File),
FontImageSource fontImageSource => SerializeFontImageSource(fontImageSource),
UriImageSource uriImageSource => string.Format(CultureInfo.InvariantCulture, "{0}:{1}", UriImageSourcePrefix, uriImageSource.Uri.ToString()),
_ => throw new NotSupportedException($"Unsupported ImageSource type: {imageSource.GetType().FullName}."),
});
public RefreshButton()
{
string folder = "";
#if __UWP__
folder = "Assets/";
#endif
Source = new FileImageSource {
File = folder + "icon_refresh.png"
};
ImagePadding = 5;
BackgroundColor = Colors.CartoNavyTransparentDark;
CornerRadius = 5;
}
/// <inheritdoc />
protected override void SetTabIcon(TabLayout.Tab tab, FileImageSource icon)
{
var iconize = Iconize.FindIconForKey(icon.File);
if (!(iconize is null))
{
var drawable = new IconDrawable(Context, icon).SizeDp(20);
DrawableCompat.SetTintList(drawable, GetItemIconTintColorState());
tab.SetIcon(drawable);
return;
}
base.SetTabIcon(tab, icon);
}
public ForecastView()
{
InitializeComponent();
if (Device.RuntimePlatform == Device.iOS)
{
Icon = new FileImageSource {
File = "tab2.png"
}
}
;
ListViewWeather.ItemTapped += (sender, args) => ListViewWeather.SelectedItem = null;
}
}
public MainPageMaster()
{
InitializeComponent();
if (Device.RuntimePlatform == Device.iOS)
{
Icon = new FileImageSource()
{
File = "ic_menu_white_2.png"
}
}
;
ListView = MenuItemsListView;
}
}
public WeatherView()
{
InitializeComponent();
SetupEvents();
if (Device.OS == TargetPlatform.iOS)
{
Icon = new FileImageSource {
File = "tab1.png"
}
}
;
}
protected virtual void UpdateMenuItemIcon(Context context, IMenuItem menuItem, ToolbarItem toolBarItem)
{
FileImageSource icon = toolBarItem.Icon;
if (!string.IsNullOrEmpty(icon))
{
Drawable iconDrawable = context.GetFormsDrawable(icon);
if (iconDrawable != null)
{
menuItem.SetIcon(iconDrawable);
iconDrawable.Dispose();
}
}
}
void ImageClicked(object s, EventArgs e)
{
Image image = s as Image;
FileImageSource imageSource = (FileImageSource)image.Source;
foreach (RemoteController rc in App.dataRepository.remoteControllers)
{
if ((FileImageSource)"RemoteControllers/" + rc.ImageName + "/" + rc.ImageName == imageSource)
{
Navigation.PushAsync(new RemoteControllerSelectedPage(rc));
}
}
}
public PrescriptionView()
{
InitializeComponent();
if (Device.RuntimePlatform != Device.UWP)
{
Icon = new FileImageSource {
File = "prescription.png"
}
}
;
MyListView.ItemTapped += (sender, args) => MyListView.SelectedItem = null;
}
}
private void SliderAchivedGoals_OnValueChanged(object sender, ValueChangedEventArgs e)
{
LabelAchivedGoals.Text = FormatHelpers.FormatSliderValue(e.NewValue, StepValue);
FileImageSource objFileImageSource = (FileImageSource)ImageAchivedGoals.Source;
string currentFile = objFileImageSource.File;
string smiley = SmileyHelper.GetSmileyImage(e.NewValue);
if (currentFile != smiley)
{
ImageAchivedGoals.Source = smiley;
}
}
public object ProvideValue(IServiceProvider serviceProvider)
{
if (Source == null)
{
return(null);
}
// Do your translation lookup here, using whatever method you require
var imageSource = new FileImageSource()
{
File = "WorkoutPlaner.Images." + Source
};
return(imageSource);
}
private static Stream GetStreamFromFileImageSource(ImageSource imageSource)
{
lock (locker)
{
FileImageSource fileImageSource = (FileImageSource)imageSource;
using (var file = File.Open(fileImageSource.File, FileMode.Open, FileAccess.Read, FileShare.Read))
{
MemoryStream memStream = new MemoryStream();
memStream.SetLength(file.Length);
file.Read(memStream.GetBuffer(), 0, (int)file.Length);
return(memStream);
}
}
}
public void TestFileImageSourcePropertiesChangedTriggerResize()
{
var source = new FileImageSource();
var image = new Image {
Source = source
};
bool fired = false;
image.MeasureInvalidated += (sender, e) => fired = true;
Assert.Null(source.File);
source.File = "foo.png";
Assert.NotNull(source.File);
Assert.True(fired);
}
public PlatformBitmapsPage()
{
FileImageSource imgSrc = new FileImageSource();
switch (Device.RuntimePlatform)
{
case Device.iOS:
imgSrc.File = "Icon-Small-40.png";
break;
case Device.Android:
imgSrc.File = "icon.png";
break;
case Device.WinRT:
case Device.WinPhone:
case Device.UWP:
imgSrc.File = "Assets/StoreLogo.png";
break;
}
Image image = new Image
{
Source = imgSrc,
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.CenterAndExpand
};
Label label = new Label
{
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Label)),
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.CenterAndExpand
};
image.SizeChanged += (sender, args) =>
{
label.Text = String.Format("Rendered size = {0} x {1}",
image.Width, image.Height);
};
Content = new StackLayout
{
Children =
{
image,
label
}
};
}
// 从相册检测。
private void detect(string filePath)
{
FileImageSource fileImageSource = new FileImageSource();
fileImageSource.setFilePath(filePath);
detectManager.setImageSource(fileImageSource);
detectManager.setUseDetect(true);
// detectManager.setOnFaceDetectListener(new FaceDetectManager.OnFaceDetectListener()
// {
// public void onDetectFace(int status, FaceInfo[] faces, ImageFrame frame)
// {
// if (faces != null && status != FaceTracker.ErrCode.NO_FACE_DETECTED.ordinal()
// && status != FaceTracker.ErrCode.UNKNOW_TYPE.ordinal())
// {
// final Bitmap cropBitmap = FaceCropper.getFace(frame.getArgb(), faces[0], frame.getWidth());
// handler.post(new Runnable()
// {
// public void run()
// {
// avatarIv.setImageBitmap(cropBitmap);
// }
// });
// // File file = File.createTempFile(UUID.randomUUID().toString() + "", ".jpg");
// File faceDir = FileUitls.getFaceDirectory();
// if (faceDir != null)
// {
// String imageName = UUID.randomUUID().toString();
// File file = new File(faceDir, imageName);
// // 压缩人脸图片至300 * 300，减少网络传输时间
// ImageUtils.resize(cropBitmap, file, 300, 300);
// RegActivity.this.faceImagePath = file.getAbsolutePath();
// submitButton.setVisibility(View.VISIBLE);
// }
// else
// {
// toast("注册人脸目录未找到");
// }
// } else {
// toast("未检测到人脸，可能原因：人脸太小（必须大于最小检测人脸minFaceSize），或者人脸角度太大，人脸不是朝上");
// }
//}
// });
detectManager.start();
}
public TodoItemCell()
{
var label = new Label {
YAlign = TextAlignment.Center,
HorizontalOptions = LayoutOptions.StartAndExpand,
Font = Constants.Font
};
label.SetBinding(Label.TextProperty, "Name");
if (Device.OS != TargetPlatform.iOS) // WinPhone & Android
{
label.TextColor = Color.Black;
}
var tick = new Image {
Source = FileImageSource.FromFile("check1.png"),
HorizontalOptions = LayoutOptions.EndAndExpand
};
tick.SetBinding(Image.IsVisibleProperty, "Done");
var layout = new StackLayout {
Padding = new Thickness(10, 0, 10, 0),
Orientation = StackOrientation.Horizontal,
HorizontalOptions = LayoutOptions.StartAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand,
Children = { label, tick },
};
var lineLayout = new StackLayout {
Orientation = StackOrientation.Vertical,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand,
Children =
{
layout,
new BoxView {
HeightRequest = 1,
WidthRequest = 600,
VerticalOptions = LayoutOptions.End,
Color = Constants.Brown,
Opacity = 0.5
}
},
BackgroundColor = Color.FromRgb(255, 244, 165)
};
View = lineLayout;
}
public void PrioridadeSelectAction(object sender, EventArgs args)
{
var Stacks = SLPrioridades.Children;
foreach (var Linha in Stacks)
{
Label LblPrioridade = ((StackLayout)Linha).Children[1] as Label;
LblPrioridade.TextColor = Color.Gray;
}
((Label)((StackLayout)sender).Children[1]).TextColor = Color.Black;
FileImageSource Source = ((Image)((StackLayout)sender).Children[0]).Source as FileImageSource;
String Prioridade = Source.File.ToString().Replace("Resources/p", "").Replace(".png", "");
this.Prioridade = byte.Parse(Prioridade);
}
public void TestConstructors()
{
var filesource = new FileImageSource {
File = "File.png"
};
Assert.AreEqual("File.png", filesource.File);
Func <CancellationToken, Task <Stream> > stream = token => new Task <Stream>(() => new FileStream("Foo", System.IO.FileMode.Open), token);
var streamsource = new StreamImageSource {
Stream = stream
};
Assert.AreEqual(stream, streamsource.Stream);
}
private void TapGestureRecognizer_Tapped(object sender, System.EventArgs e)
{
var stacks = slPrioridades.Children;
foreach (var item in stacks)
{
Label label = ((StackLayout)item).Children[1] as Label;
label.TextColor = Color.Gray;
}
((Label)((StackLayout)sender).Children[1]).TextColor = Color.Black;
FileImageSource img = ((Image)((StackLayout)sender).Children[0]).Source as FileImageSource;
string s = img.File.ToString().Replace(".png", "").Replace("p", "").Replace("Resources/", "");
p = byte.Parse(s);
}
public void TestBindingContextPropagationOnImageCell ()
{
var context = new object ();
var cell = new ImageCell ();
cell.BindingContext = context;
var source = new FileImageSource ();
cell.ImageSource = source;
Assert.AreSame (context, source.BindingContext);
cell = new ImageCell ();
source = new FileImageSource ();
cell.ImageSource = source;
cell.BindingContext = context;
Assert.AreSame (context, source.BindingContext);
}
static public FormsCAKeyFrameAnimation CreateAnimationFromFileImageSource(FileImageSource imageSource)
{
FormsCAKeyFrameAnimation animation = null;
string file = imageSource?.File;
if (!string.IsNullOrEmpty(file))
{
using (var parsedImageSource = CGImageSource.FromUrl(NSUrl.CreateFileUrl(file, null)))
{
animation = ImageAnimationHelper.CreateAnimationFromCGImageSource(parsedImageSource);
}
}
return(animation);
}
private static void ImagePropertyChanged(BindableObject bindable, object oldValue, object newValue)
{
if (bindable == null || string.IsNullOrEmpty((string)newValue))
{
return;
}
var button = ((ButtonBadge)bindable).button;
var c = new FileImageSource
{
File = (string)newValue
};
button.Image = c;
}
private void TapGestureRecognizer_Tapped(object sender, EventArgs e)
{
var Stacks = slPrioridades.Children;
foreach (var Linha in Stacks)
{
Label lblPrioridade = ((StackLayout)Linha).Children[1] as Label;
lblPrioridade.TextColor = Color.Gray;
}
((Label)((StackLayout)sender).Children[1]).TextColor = Color.Black;
FileImageSource Source = ((Image)((StackLayout)sender).Children[0]).Source as FileImageSource;
Prioridade = Byte.Parse(Source.File.ToString().Substring(1, 1));
}
public void SetImage(String fileName)
{
Xamarin.Forms.Device.BeginInvokeOnMainThread(
() =>
{
var imageSource = new FileImageSource();
imageSource.File = fileName;
this.DisplayImage.Source = imageSource;
#if __MACOS__
NSImage image = new NSImage(fileName);
this.DisplayImage.WidthRequest = image.Size.Width;
this.DisplayImage.HeightRequest = image.Size.Height;
#endif
});
}
public WeatherView()
{
InitializeComponent();
if (Device.OS == TargetPlatform.iOS)
{
Icon = new FileImageSource {
File = "tab1.png"
}
}
;
// Background.Source = ImageSource.FromResource("MyWeather.cloud.jpg");
}
}
internal static Drawable GetFormsDrawable(this Resources resource, FileImageSource fileImageSource)
{
var file = fileImageSource.File;
Drawable drawable = resource.GetDrawable(fileImageSource);
if (drawable == null)
{
var bitmap = GetBitmap(resource, file) ?? BitmapFactory.DecodeFile(file);
if (bitmap != null)
{
drawable = new BitmapDrawable(resource, bitmap);
}
}
return(drawable);
}
public void TestFileImageSourcePropertiesChangedTriggerResize ()
{
var source = new FileImageSource ();
var image = new Image { Source = source };
bool fired = false;
image.MeasureInvalidated += (sender, e) => fired = true;
Assert.Null (source.File);
source.File = "foo.png";
Assert.NotNull (source.File);
Assert.True (fired);
}
