public IEnumerable<Image> GetUploadedImages(HttpRequestBase request, params string[] imageDefinitionKeys)
{
List<Image> images = new List<Image>();
foreach (string inputTagName in request.Files)
{
HttpPostedFileBase file = request.Files[inputTagName];
if (file.ContentLength > 0)
{
// upload the image to filesystem
if (IsNotImage(file))
{
throw new ValidationException(string.Format("File '{0}' is not an image file (*.jpg)", file.FileName));
}
Image image = new Image
{
FileName = Guid.NewGuid(),
Description = Path.GetFileName(file.FileName)
};
file.SaveAs(imageFileService.GetFullPath(image.FileNameAsString));
// convert the image to main and thumb sizes
imageService.CreateSizedImages(image, imageDefinitionKeys);
File.Delete(imageFileService.GetFullPath(image.FileNameAsString));
images.Add(image);
}
}
return images;
}
public ClubMemberViewCell()
{
nameTGR = new TapGestureRecognizer();
nameTGR.Tapped += NameTGR_Tapped;
ch = new ColorHandler();
iEmoji = new Image
{
Aspect = Aspect.AspectFit,
WidthRequest = 75,
HorizontalOptions = LayoutOptions.StartAndExpand,
VerticalOptions = LayoutOptions.Center
};
iEmoji.SetBinding(Image.SourceProperty, "Emoji");
lUsername = new Label
{
HorizontalOptions = LayoutOptions.CenterAndExpand,
FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label)),
VerticalOptions = LayoutOptions.Center
};
lUsername.SetBinding(Label.TextProperty, "Username");
lUsername.SetBinding(Label.TextColorProperty, "UserColor", converter: new ColorConverter());
lUsername.GestureRecognizers.Add(nameTGR);
updateView();
}
public Arrow(Keys lastKey, object obj)
{
Image = new Image();
switch (lastKey)
{
case Keys.W:
Image.Path = "Gameplay/Projectiles/arrow_up";
break;
case Keys.S:
Image.Path = "Gameplay/Projectiles/arrow_down";
break;
case Keys.A:
Image.Path = "Gameplay/Projectiles/arrow_left";
break;
case Keys.D:
Image.Path = "Gameplay/Projectiles/arrow_right";
break;
}
DirectionKey = lastKey;
if (obj.GetType() == typeof(Player))
{
Player p = (Player)obj;
Image.Position = p.Image.Position;
}
MoveSpeed = 250f;
Image.Scale = new Vector2(1, 2);
Image.LoadContent();
}
private void InitializeComponents()
{
StackLayout layout = new StackLayout ();
nameLabel = new Label () {
Text = client.Name,
FontSize = 18,
XAlign = TextAlignment.Center
};
layout.Children.Add ( nameLabel );
profileImage = new Image () {
Source = client.PictureUrl,
Aspect = Aspect.AspectFit
};
layout.Children.Add ( profileImage );
phoneLabel = new Label () {
Text = client.Phone,
FontSize = 14,
XAlign = TextAlignment.Center
};
layout.Children.Add ( phoneLabel );
Content = layout;
}
public override void LoadContent()
{
base.LoadContent();
Image = new Image();
Image.Path = "Gameplay/UI/loadingscreenanimation";
//Image.SourceRect = new Rectangle(0, 0, 400, 100);
//Image.Position = new Vector2 ((ScreenManager.Instance.GraphicsDevice.Viewport.Width / 2) - 100,
// (ScreenManager.Instance.GraphicsDevice.Viewport.Height / 2) - 100);
Image.LoadContent();
Image.SourceRect = new Rectangle(0, 0, 100, 100);
//Image.Position = new Vector2 ((ScreenManager.Instance.GraphicsDevice.Viewport.Width / 2) - 100,
// (ScreenManager.Instance.GraphicsDevice.Viewport.Height / 2) - 100);
Image.IsActive = true;
Image.ActivateEffect ("SpriteSheetEffect");
Image.SpriteSheetEffect.IsActive = true;
/* Turn the fade effect off */
Image.FadeEffect.IsActive = false;
/* Make the player face the camera */
Image.SpriteSheetEffect.SwitchFrame = 250;
Image.SpriteSheetEffect.AmountOfFrames = new Vector2(4, 1);
Image.SpriteSheetEffect.DefaultFrame = Vector2.Zero;
Image.SpriteSheetEffect.CurrentFrame = Image.SpriteSheetEffect.DefaultFrame;
Image.Position = new Vector2 (Image.Position.X - 50, Image.Position.Y - 50);
}
public Cursor(Image regular, Image clicked)
: base(new Vector2(Mouse.GetState().X, Mouse.GetState().Y), regular)
{
Layer = int.MaxValue;
Regular = regular; Clicked = clicked;
Regular.Parallax = new Vector2(); Clicked.Parallax = new Vector2();
}
public TodoItemCell ()
{
StyleId = "Cell";
var label = new Label {
StyleId = "CellLabel",
YAlign = TextAlignment.Center,
HorizontalOptions = LayoutOptions.StartAndExpand
};
label.SetBinding (Label.TextProperty, "Name");
var tick = new Image {
StyleId = "CellTick",
Source = FileImageSource.FromFile ("check"),
HorizontalOptions = LayoutOptions.End
};
tick.SetBinding (Image.IsVisibleProperty, "Done");
var layout = new StackLayout {
Padding = new Thickness(20, 0, 20, 0),
Orientation = StackOrientation.Horizontal,
HorizontalOptions = LayoutOptions.FillAndExpand,
Children = {label, tick}
};
View = layout;
}
public SessionCell ()
{
title = new Label {
YAlign = TextAlignment.Center
};
title.SetBinding (Label.TextProperty, "Title");
label = new Label {
YAlign = TextAlignment.Center,
Font = Font.SystemFontOfSize(10)
};
label.SetBinding (Label.TextProperty, "LocationDisplay");
var fav = new Image {
Source = FileImageSource.FromFile ("favorite.png"),
};
//TODO: implement favorites
//fav.SetBinding (Image.IsVisibleProperty, "IsFavorite");
var text = new StackLayout {
Orientation = StackOrientation.Vertical,
Padding = new Thickness(0, 0, 0, 0),
HorizontalOptions = LayoutOptions.StartAndExpand,
Children = {title, label}
};
layout = new StackLayout {
Padding = new Thickness(20, 0, 0, 0),
Orientation = StackOrientation.Horizontal,
HorizontalOptions = LayoutOptions.StartAndExpand,
Children = {text, fav}
};
View = layout;
}
public FancyListCell()
{
var image = new Image
{
HorizontalOptions = LayoutOptions.Start
};
image.SetBinding(Image.SourceProperty, new Binding("Icon"));
image.WidthRequest = image.HeightRequest = 50;
var nameLabel = new Label
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.Center,
FontSize = 26,
TextColor = Color.FromHex("111111")
};
nameLabel.SetBinding(Label.TextProperty, "Title");
var viewLayout = new StackLayout()
{
Orientation = StackOrientation.Horizontal,
Spacing = 10,
Padding = 15,
Children = { image, nameLabel }
};
View = viewLayout;
}
public void CreateHistogram(Image<Bgr, Byte> img)
{
Image<Gray, Byte>[] channels = img.Split();
Image<Gray, Byte> blueChannel = channels[0];
Image<Gray, Byte> greenChannel = channels[1];
Image<Gray, Byte> redChannel = channels[2];
//Red colour channel
DenseHistogram dhRed = new DenseHistogram(BIN_SIZE, new RangeF(0.0f, BIN_DEPTH));
dhRed.Calculate<Byte>(new Image<Gray, Byte>[1] { redChannel }, false, null);
redChart.ClearHistogram();
redChart.AddHistogram("Red Channel", System.Drawing.Color.Red, dhRed);
redChart.Refresh();
//Green colour Channel
DenseHistogram dhGreen = new DenseHistogram(BIN_SIZE, new RangeF(0.0f, BIN_DEPTH));
dhGreen.Calculate<Byte>(new Image<Gray, Byte>[1] { greenChannel }, false, null);
greenChart.ClearHistogram();
greenChart.AddHistogram("Green Channel", System.Drawing.Color.Green, dhGreen);
greenChart.Refresh();
//Blue colour Channel
DenseHistogram dhBlue = new DenseHistogram(BIN_SIZE, new RangeF(0.0f, BIN_DEPTH));
dhBlue.Calculate<Byte>(new Image<Gray, Byte>[1] { blueChannel }, false, null);
blueChart.ClearHistogram();
blueChart.Show();
blueChart.AddHistogram("Blue Channel", System.Drawing.Color.Blue, dhBlue);
blueChart.Refresh();
}
public object Convert(object value, Type targetType, object parameter, string language) {
if (value != null) {
var page = (Page)value;
if (page != null) {
if (page.Icon == null) {
var glyph = (string)page.GetValue(AttachedFontIcon.GlyphProperty);
if (!string.IsNullOrWhiteSpace(glyph)) {
var familary = (string)page.GetValue(AttachedFontIcon.FontFamilyProperty);
//control it's color by theme resource.
//var color = (Color)page.GetValue(AttachedFontIcon.ColorProperty);
var size = (double)page.GetValue(AttachedFontIcon.FontSizeProperty);
var icon = new Windows.UI.Xaml.Controls.FontIcon() {
Glyph = glyph,
FontFamily = familary.ToFontFamily(),
FontSize = size,
//Foreground = color.ToBrush()
};
return icon;
}
} else {
var img = new Image();
img.Source = page.Icon;
return img;
}
}
}
return null;
}
public override Image Load(System.IO.Stream s)
{
if (s.ReadByte() == 255)
{
byte[] buf = new byte[s.Length - 1];
s.Read(buf, 0, buf.Length);
s = new MemoryStream(Orvid.Compression.LZMA.Decompress(buf));
}
else
{
s.Position = 0;
}
byte[] tmp = new byte[8];
s.Read(tmp, 0, 8); // skip the 8 empty bytes at the start of the file.
tmp = new byte[4];
s.Read(tmp, 0, 4);
uint Height = ReadUInt32(tmp); // Read the Height.
s.Read(tmp, 0, 4);
uint Width = ReadUInt32(tmp); // Read the Width.
Image i = new Image((int)Width, (int)Height);
byte r, g, b, a;
for (uint x = 0; x < Width; x++)
{
for (uint y = 0; y < Height; y++)
{
r = (byte)s.ReadByte();
g = (byte)s.ReadByte();
b = (byte)s.ReadByte();
a = (byte)s.ReadByte();
i.SetPixel(x, y, new Pixel(r, g, b, a));
}
}
return i;
}
public override void Save(Image i, System.IO.Stream dest)
{
MemoryStream m = new MemoryStream();
m.WriteByte(0);
#warning Change this next byte to 255 if you update Image with UInt64 for width and height.
m.WriteByte(0);
m.WriteByte(0);
m.WriteByte(0); // Write the 8 empty bytes at the start of the file.
m.WriteByte(0);
m.WriteByte(0);
m.WriteByte(0);
m.WriteByte(0);
byte[] dat = BitConverter.GetBytes(i.Height); // Write the height.
m.Write(dat, 0, dat.Length);
dat = BitConverter.GetBytes(i.Width); // Write the width.
m.Write(dat, 0, dat.Length);
// Now to write the actual data.
Pixel p;
for (uint x = 0; x < i.Width; x++)
{
for (uint y = 0; y < i.Height; y++)
{
p = i.GetPixel(x, y);
m.WriteByte(p.R);
m.WriteByte(p.G);
m.WriteByte(p.B);
m.WriteByte(p.A);
}
}
dat = Orvid.Compression.LZMA.Compress(m.GetBuffer());
dest.WriteByte(255);
dest.Write(dat, 0, dat.Length);
}
public ContentDemo()
{
Button button = new Button
{
Text = "Edit Profile",
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.CenterAndExpand
};
button.Clicked += OnButtonClicked;
Image myImage = new Image
{
Aspect = Aspect.Fill,
Source = ImageSource.FromUri( new Uri(@"https://4e72eb44013d543eb0c67f8fbddf2ed30743ec8d.googledrive.com/host/0B70CO9lnNPfceHNFLXh2Wm8yMHc/List-Most-Expensive-Cars-photo-OdYL.jpg"))
};
this.Title = "Content Page";
RelativeLayout relativeLayout = new RelativeLayout ();
relativeLayout.Children.Add (myImage,
Constraint.Constant (0),
Constraint.Constant (0),
Constraint.RelativeToParent ((parent) => { return parent.Width; }),
Constraint.RelativeToParent ((parent) => { return parent.Height; }));
relativeLayout.Children.Add (button,
Constraint.RelativeToParent ((parent) => {return parent.Width/2;} ),
Constraint.RelativeToParent ((parent) => {return parent.Height/2;} ),
Constraint.RelativeToParent ((parent) => { return 75.0; }),
Constraint.RelativeToParent ((parent) => { return 75.0; }));
Content = relativeLayout;
}
public RangeSliderBubble()
{
// Init
this.BackgroundColor = Color.Transparent;
// Image
_image = new Image();
AbsoluteLayout.SetLayoutFlags(_image, AbsoluteLayoutFlags.All);
AbsoluteLayout.SetLayoutBounds(_image, new Rectangle(0f, 0f, 1f, 1f));
_image.SetBinding(Image.SourceProperty, new Binding(path: "Source", source: this));
this.Children.Add(_image);
// Label
_label = new Label() { VerticalTextAlignment = TextAlignment.Center, HorizontalTextAlignment = TextAlignment.Center };
AbsoluteLayout.SetLayoutFlags(_label, AbsoluteLayoutFlags.All);
AbsoluteLayout.SetLayoutBounds(_label, new Rectangle(0.5f, 0.7f, 0.8f, 0.6f));
_label.SetBinding(Label.TextProperty, new Binding(path: "Text", source: this));
this.Children.Add(_label);
}
public ActionResult Create(Realty realty, IEnumerable<HttpPostedFileBase> newImages)
{
if (ModelState.IsValid)
{
var curUser = (from u in db.UserProfiles
where u.UserName == User.Identity.Name
select u).Single();
if (realty.VideoLink != null)
realty.VideoLink = realty.youtubeID(realty.VideoLink);
realty.Owner = curUser;
// files stuff
if (newImages != null && newImages.First() != null)
{
realty.Images = new List<Image>();
foreach (var image in newImages)
{
if (image.ContentLength > 0)
{
var supportedTypes = new[] { "jpg", "jpeg", "png" };
var fileExt = System.IO.Path.GetExtension(image.FileName).Substring(1);
if (!supportedTypes.Contains(fileExt))
{
ModelState.AddModelError("Images", "Invalid type. Only the following types (jpg, jpeg, png) are supported.");
return View();
}
string filetype = image.ContentType;
int filelength = image.ContentLength;
Stream filestream = image.InputStream;
byte[] filedata = new byte[filelength];
string filename = Path.GetFileName(image.FileName);
filestream.Read(filedata, 0, filelength);
var data = new Image
{
Name = filename,
MimeType = filetype,
Data = filedata
};
realty.Images.Add(data);
}
}
}
else
{
ModelState.AddModelError("Images", "You have to upload at least one photo.");
return View();
}
db.Realties.Add(realty);
db.SaveChanges();
return RedirectToAction("Index");
}
return View(realty);
}
private Texture(Image image, string filePath)
{
//Data = raw;
//image.ConvertToDxtc(CompressedDataFormat.DXT5);
Width = image.Width;
Height = image.Height;
Depth = image.Depth;
PixelWdith = image.BytesPerPixel;
var imageFormat = image.Format;
var imageBitPerChannal = image.BitsPerPixel / image.ChannelCount;
if (imageFormat == DataFormat.BGR && imageBitPerChannal == 8)
{
ColorFormat = Format.B8G8R8X8_UNorm;
}
else if (imageFormat == DataFormat.BGRA && imageBitPerChannal == 8)
{
ColorFormat = Format.B8G8R8A8_UNorm;
}
else if (imageFormat == DataFormat.RGB && imageBitPerChannal == 8)
{
ColorFormat = Format.R8G8B8A8_UNorm;
}
else if (imageFormat == DataFormat.RGBA && imageBitPerChannal == 8)
{
ColorFormat = Format.R8G8B8A8_UNorm;
}
else if (imageFormat == DataFormat.RGBA && imageBitPerChannal == 16)
{
ColorFormat = Format.R16G16B16A16_UNorm;
}
Data = image.GetImageData(0).Data;
}
public void TestImplicitFileConversion ()
{
var image = new Image { Source = "File.png" };
Assert.IsTrue (image.Source != null);
Assert.That (image.Source, Is.InstanceOf<FileImageSource> ());
Assert.AreEqual ("File.png", ((FileImageSource)(image.Source)).File);
}
public ImagePreviewViewModel BuildPreview(Image image)
{
if (image == null)
{
throw new ArgumentNullException("image");
}
var result = new ImagePreviewViewModel();
result.Name = image.Name;
result.Description = image.Description;
result.Key = image.Key;
try
{
result.Content = string.Format(
"data:{0};base64,{1}",
image.ContentType,
this.GetImageContent(image));
}
catch (Exception)
{
result.Content = string.Empty;
}
return result;
}
public void TestImplicitStringUriConversion ()
{
var image = new Image { Source = "http://xamarin.com/img.png" };
Assert.IsTrue (image.Source != null);
Assert.That (image.Source, Is.InstanceOf<UriImageSource> ());
Assert.AreEqual ("http://xamarin.com/img.png", ((UriImageSource)(image.Source)).Uri.AbsoluteUri);
}
public ProductImagePage(ImageSource productImageSource)
{
Padding = Device.OnPlatform(new Thickness(0, 20, 0, 0), new Thickness(0), new Thickness(0));
_productImageSource = productImageSource;
BackgroundColor = Color.FromRgba(0, 0, 0, 127);
var absoluteLayout = new AbsoluteLayout
{
VerticalOptions = LayoutOptions.FillAndExpand
};
var closeButtom = new Button
{
WidthRequest = 50,
Image = "backspace.png",
BackgroundColor = Color.Transparent
};
closeButtom.Clicked += OnCloseButtonClicked;
var image = new Image
{
Source = _productImageSource
};
AbsoluteLayout.SetLayoutFlags(closeButtom, AbsoluteLayoutFlags.PositionProportional);
AbsoluteLayout.SetLayoutBounds(closeButtom, new Rectangle(1f, 0f, AbsoluteLayout.AutoSize, AbsoluteLayout.AutoSize));
AbsoluteLayout.SetLayoutFlags(image, AbsoluteLayoutFlags.PositionProportional);
AbsoluteLayout.SetLayoutBounds(image, new Rectangle(0.5f, 0.5f, AbsoluteLayout.AutoSize, AbsoluteLayout.AutoSize));
absoluteLayout.Children.Add(image);
absoluteLayout.Children.Add(closeButtom);
Content = absoluteLayout;
}
public LoadingPlaceholder ()
{
Padding = new Thickness (20);
Title = "Image Loading Gallery";
var source = new UriImageSource {
Uri = new Uri ("http://www.nasa.gov/sites/default/files/styles/1600x1200_autoletterbox/public/images/298773main_EC02-0282-3_full.jpg"),
CachingEnabled = false
};
var image = new Image {
Source = source,
WidthRequest = 200,
HeightRequest = 200,
};
var indicator = new ActivityIndicator {Color = new Color (.5),};
indicator.SetBinding (ActivityIndicator.IsRunningProperty, "IsLoading");
indicator.BindingContext = image;
var grid = new Grid();
grid.RowDefinitions.Add (new RowDefinition());
grid.Children.Add (image);
grid.Children.Add (indicator);
Content = grid;
}
public AcercaDePage() {
Title = "Acerca de";
Icon = "info.png";
BackgroundImage = "background.png";
StackLayout panel = new StackLayout
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
Orientation= StackOrientation.Vertical,
Spacing = 15,
Padding = new Thickness(20, Device.OnPlatform(40, 20, 20), 20, 20),
};
panel.Children.Add(new Label {
Text ="Aplicación desarrollada por:",
TextColor = Color.Black,
});
var imagen = new Image
{
HorizontalOptions = LayoutOptions.Center,
};
imagen.Source = ImageSource.FromFile("csharp.jpeg");
panel.Children.Add(imagen);
panel.Children.Add(new Label
{
Text = "Rafael Cárdenas",
TextColor = Color.Black,
});
Content = panel;
}
//View
public DownloadImageDemoPage()
{
var heading = new Label
{
Text = "Download Image",
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.StartAndExpand,
FontSize = 50,
FontAttributes = FontAttributes.Bold | FontAttributes.Italic
};
var webImage = new Image
{
Source = ImageSource.FromUri(new Uri
("https://xamarin.com/content/images/pages/branding/assets/xamarin-logo.png")),
VerticalOptions = LayoutOptions.CenterAndExpand
};
var mainLayout = new StackLayout
{
HorizontalOptions = LayoutOptions.Center,
Children =
{
heading,
webImage
}
};
Content = mainLayout;
}
public ListOfBeerCell2 ()
{
var preBlank = new Label {
Text = "",
FontSize = 11
};
var image = new Image
{
Aspect = Aspect.AspectFill,
//WidthRequest = 150,
HorizontalOptions = LayoutOptions.Start,
VerticalOptions = LayoutOptions.Center
};
image.SetBinding(Image.SourceProperty, new Binding("ProName"));
var rslayout = CreateRightSideLayout ();
var ctrlayout = CreateMiddleLayout ();
var ctrrghtlayout = CreateMiddleRightLayout ();
var leftImageLayout = new StackLayout()
{
Spacing = 2,
Padding = new Thickness (5, 5, 0, 5),
VerticalOptions = LayoutOptions.Center,
Orientation = StackOrientation.Horizontal,
Children = {image, ctrlayout, ctrrghtlayout, rslayout}
};
View = leftImageLayout;
}
public LearningPathViewModel(/*ICommand renderXnaCmd, */DatabaseService db, ICommand returnToMainWindowCmd)
{
ReturnToMainWindowCmd = returnToMainWindowCmd;
MDetector md = new MDetector();
Image<Bgr, Byte> img = new Image<Bgr, Byte>(640, 480, new Bgr(255, 255, 0));
PiktoViewDB piktodb = new PiktoViewDB(db);
pictoViewManager = new PiktoViewManager(piktodb);
ToolArtNetwork toolNetwork = new ToolArtNetwork(piktodb.getImageIdDic());
MarkerPosition3D pos = new MarkerPosition3D(80.0f, 640.0f, 640, 480);
RenderXnaCmd = new BasicCommand(p =>
{
md.findMarkers(img.Convert<Gray, Byte>());
if (md.isMarker())
{
int id = toolNetwork.recognitionPictograms(md.markers[0].getSymbolImage());
if (id != -1)
{
pos.estimate(md.markers[0]);
pictoViewManager.viewSceneMarker(id, pos.getTransformatinMatrix(), img.ToBitmap());
}
}
else
{
pictoViewManager.updateDisplayCameraLayer(img.ToBitmap());
}
displayComponent.displaySetContent();
});
}
public static Image<Gray, float> Compute(OpticalFlowModel model)
{
var flowX = new Image<Gray, float>(model.Image1.Size);
var flowY = new Image<Gray, float>(model.Image1.Size);
Emgu.CV.OpticalFlow.Farneback(
model.Image1,
model.Image2,
flowX,
flowY,
model.PyramidScale,
model.Levels,
model.WindowSize,
model.Iterations,
model.PolyN,
model.PolySigma,
model.Flag);
flowY = flowY.Mul(flowY);
flowX = flowX.Mul(flowX);
Image<Gray, float> flowResult = flowX.Mul(flowX) + flowY.Mul(flowY);
CvInvoke.cvSqrt(flowResult, flowResult);
return flowResult;
}
public ModuleButton(string title, string backgroundImageSource)
{
Label titleLabel = new Label {
HorizontalOptions = LayoutOptions.Fill,
VerticalOptions = LayoutOptions.Fill,
BackgroundColor = Color.FromRgba(255, 255, 255, 100),
TextColor = Color.White,
Text = title,
FontSize = 14,
};
Image backgroundImage = new Image {
Source = backgroundImageSource,
Aspect = Aspect.AspectFill,
HorizontalOptions = LayoutOptions.Fill,
VerticalOptions = LayoutOptions.Fill
};
RelativeLayout layout = new RelativeLayout ();
layout.Children.Add (titleLabel,
Constraint.Constant (0),
Constraint.Constant (0),
Constraint.RelativeToParent ((parent) => parent.Width),
Constraint.RelativeToParent ((parent) => parent.Height));
layout.Children.Add (backgroundImage,
Constraint.Constant (0),
Constraint.Constant (0),
Constraint.RelativeToParent ((parent) => parent.Width),
Constraint.RelativeToParent ((parent) => parent.Height));
Content = layout;
}
public ListItemTemplate ()
{
var photo = new Image { HeightRequest = 44, WidthRequest = 44 };
photo.SetBinding (Image.SourceProperty, "Photo");
var nameLabel = new Label {
VerticalTextAlignment = TextAlignment.Center,
FontAttributes = FontAttributes.None,
FontSize = Device.GetNamedSize (NamedSize.Medium, typeof(Label)),
};
nameLabel.SetBinding (Label.TextProperty, "Name");
var titleLabel = new Label {
VerticalTextAlignment = TextAlignment.Center,
FontAttributes = FontAttributes.None,
FontSize = Device.GetNamedSize (NamedSize.Micro, typeof(Label)),
};
titleLabel.SetBinding (Label.TextProperty, "Title");
var information = new StackLayout {
Padding = new Thickness (5, 0, 0, 0),
VerticalOptions = LayoutOptions.StartAndExpand,
Orientation = StackOrientation.Vertical,
Children = { nameLabel, titleLabel }
};
View = new StackLayout {
Orientation = StackOrientation.Horizontal,
Children = { photo, information }
};
}
public async Task<IHttpActionResult> PostImage(Image image)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
image.Id = Guid.NewGuid();
db.Images.Add(image);
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateException)
{
if (ImageExists(image.Id))
{
return Conflict();
}
else
{
throw;
}
}
return CreatedAtRoute("DefaultApi", new { id = image.Id }, image);
}