C# Imaging.BitmapImage类代码示例

        public Model3DGroup Create(Color modelColor,string pictureName, Point3D startPos, double maxHigh)
        {
            try
            {
                Uri inpuri = new Uri(@pictureName, UriKind.Relative);
                BitmapImage bi = new BitmapImage();
                bi.BeginInit();
                bi.UriSource = inpuri;
                bi.EndInit();
                ImageBrush imagebrush = new ImageBrush(bi);
                imagebrush.Opacity = 100;
                imagebrush.Freeze();

                Point[] ptexture0 = { new Point(0, 0), new Point(0, 1), new Point(1, 0) };
                Point[] ptexture1 = { new Point(1, 0), new Point(0, 1), new Point(1, 1) };

                SolidColorBrush modelbrush = new SolidColorBrush(modelColor);
                Model3DGroup cube = new Model3DGroup();
                Point3D uppercircle = startPos;
                modelbrush.Freeze();
                uppercircle.Y = startPos.Y + maxHigh;
                cube.Children.Add(CreateEllipse2D(modelbrush, uppercircle, _EllipseHigh, new Vector3D(0, 1, 0)));
                cube.Children.Add(CreateEllipse2D(modelbrush, startPos, _EllipseHigh, new Vector3D(0, -1, 0)));
                cube.Children.Add(CreateEllipse3D(imagebrush, startPos, _EllipseHigh, maxHigh, ptexture0));
                return cube;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        private void Init(String n, bool s)
        {
            Name = n;
            Male = s;
            JobRole = "Boss";

            pictureFile = ".../.../Pictures/Enemies/Ravenscroft.png";
            characterPicture = new BitmapImage(new Uri(pictureFile, UriKind.Relative));

            /******************************************************************
             * stat progression unique to this job role.
             * ****************************************************************
             */
            HealthMulti = 3.00;
            EnergyMulti = 3.00;
            AttackMulti = 2.00;
            DefenseMulti = 3.00;
            SpeedMulti = 2;
            AgilityMulti = 2;
            AttackRangeMulti = 1.00;
            SpecialAttackMulti = 3.00;
            SpecialDefenseMulti = 3.00;

            ExperienceAmountMulti = 100.00;

            /******************************************************************
             * stats initialized after multipliers applied.
             * ****************************************************************
             */
            InstantiateLevel(1);
        }

 void IThumbnailManager.SetThumbnail(string name, BitmapImage thumbnail)
 {
     using (var zipArchive = new ZipArchive("AssetThumbnails.zip"))
     {
         zipArchive.Save(name, thumbnail.StreamSource);
     }
 }

        /// <summary>
        /// Gets a bitmap inside the given assembly at the given path therein.
        /// </summary>
        /// <param name="uri">
        /// The relative URI.
        /// </param>
        /// <param name="assemblyName">
        /// Name of the assembly.
        /// </param>
        /// <returns>
        /// </returns>
        public static BitmapImage GetBitmap(Uri uri, string assemblyName)
        {
            if (uri == null)
            {
                return null;
            }

            var stream = GetStream(uri, assemblyName);

            if (stream == null)
            {
                return null;
            }

            using (stream)
            {
                var bmp = new BitmapImage();

                bmp.BeginInit();
                bmp.StreamSource = stream;
                bmp.EndInit();

                return bmp;
            }
        }

      public async Task<ImageSource> DownloadPicture(string imageUri)
      {
         var request = (HttpWebRequest)WebRequest.Create(imageUri);
         if (string.IsNullOrEmpty(Configuration.SessionCookies) == false)
         {
            request.CookieContainer = new CookieContainer();
            request.CookieContainer.SetCookies(request.RequestUri, Configuration.SessionCookies);
         }

         var response = (HttpWebResponse)(await request.GetResponseAsync());

         using (Stream inputStream = response.GetResponseStream())
         using (Stream outputStream = new MemoryStream())
         {
            var buffer = new byte[4096];
            int bytesRead;
            do
            {
               bytesRead = await inputStream.ReadAsync(buffer, 0, buffer.Length);
               outputStream.Write(buffer, 0, bytesRead);
            } while (bytesRead != 0);

            var bitmapImage = new BitmapImage();
            bitmapImage.BeginInit();
            bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
            bitmapImage.StreamSource = outputStream;
            bitmapImage.EndInit();
            bitmapImage.Freeze();

            return bitmapImage;
         }
      }

		private void ImportImageButtonClick(object sender, RoutedEventArgs e)
		{
			OpenFileDialog openFileDialog = new OpenFileDialog();
#if WPF
			openFileDialog.Filter = "Image Files (*.png, *.jpg, *.bmp)|*.png;*.jpg;*.bmp";
#else
			openFileDialog.Filter = "Image Files (*.png, *.jpg)|*.png;*.jpg";
#endif
			bool? dialogResult = openFileDialog.ShowDialog();
			if (dialogResult.HasValue && dialogResult.Value == true)
			{
				Image image = new Image();
#if WPF
				image.Source = new BitmapImage(new Uri(openFileDialog.FileName, UriKind.Absolute));
#else
					using (var fileOpenRead = openFileDialog.File.OpenRead())
					{
						BitmapImage bitmap = new BitmapImage();
						bitmap.SetSource(fileOpenRead);
						image.Source = bitmap;
					}
#endif
				Viewbox viewBox = new Viewbox() { Stretch = Stretch.Fill, Margin = new Thickness(-4) };
				viewBox.Child = image;
				RadDiagramShape imageShape = new RadDiagramShape()
				{
					Content = viewBox
				};
				this.diagram.Items.Add(imageShape);
			}
		}

        //TODO filter by mimetype
        public void ShowImage(MemoryStream stream)
        {
            try
            {
                stream.Position = 0;
                var bitmapImage = new BitmapImage();
                bitmapImage.BeginInit();
                bitmapImage.StreamSource = stream;
                bitmapImage.EndInit();

                image1.Width = bitmapImage.Width;
                image1.Height = bitmapImage.Height;

                var screenInfo = GetScreenInfo();

                image1.Height = screenInfo.Height - 150;
                image1.Width = (image1.Height * bitmapImage.Width) / bitmapImage.Height;

                Height = image1.Height + 3;
                Width = image1.Width + 3;

                image1.Source = bitmapImage;
            }
            catch (NotSupportedException)
            { }
        }

        private void client_getApplicationByIdCompleted(object sender, MyService.getApplicationByIdCompletedEventArgs e)
        {
            string jsonString = e.Result.ToString();
            JObject jobj = JObject.Parse(jsonString);
            jobj = jobj["Application"] as JObject;

            string Id = jobj["Id"].ToString();
            string Name = jobj["Name"].ToString();
            float Price = float.Parse(jobj["Price"].ToString());
            float Rating = float.Parse(jobj["Rating"].ToString());
            int Reviews = Int32.Parse(jobj["Reviews"].ToString());
            DateTime DatePublished = DateTime.Parse(jobj["DatePublished"].ToString());
            string PublisherName = jobj["PublisherName"].ToString();
            string ImageUrl = jobj["ImageUrl"].ToString();

            pivFirstItem.Text = Name;

            BitmapImage myBitmapImage = new BitmapImage();

            myBitmapImage.UriSource = new Uri(ImageUrl);
            myBitmapImage.DecodePixelWidth = 300;
            myBitmapImage.DecodePixelWidth = 300;
            myBitmapImage.DecodePixelType = DecodePixelType.Logical;
            img.Source = myBitmapImage;
            txtDatePublished.Text = "Date published: "+DatePublished.ToShortDateString();
            txtPublisher.Text = "Publisher: "+PublisherName;
            txtRating.Text = "Rating: "+Rating.ToString();
            txtReviews.Text = "Number of reviews: "+Reviews.ToString();
            if (Price > 0)
                txtPrice.Text = "Price: $ " + Price.ToString();
            else
                txtPrice.Text = "This application is free";
        }

        public MainWindow()
        {
            InitializeComponent();

                // initialize tabItem array
                _tabItems = new List<TabItem>();

                // add a tabItem with + in header
                _tabAdd = new TabItem();
                //get image for header and setup add button
                _tabAdd.Style = new Style();
                _tabAdd.Background = new SolidColorBrush(Color.FromArgb(0xFF, 0x30, 0x30, 0x30));
                _tabAdd.BorderBrush = new SolidColorBrush(Color.FromArgb(0xFF, 0x30, 0x30, 0x30));
                BitmapImage bitmap = new BitmapImage();
                bitmap.BeginInit();
                bitmap.UriSource = new Uri(@"pack://application:,,,/Explore10;component/Images/appbar.add.png");
                bitmap.EndInit();
                Image plus = new Image();
                plus.Source = bitmap;
                plus.Width = 25;
                plus.Height = 25;
                _tabAdd.Width = 35;
                _tabAdd.Header = plus;
                _tabAdd.MouseLeftButtonUp += new MouseButtonEventHandler(tabAdd_MouseLeftButtonUp);
                _tabItems.Add(_tabAdd);

                // add first tab
                //this.AddTabItem();

                // bind tab control
                tabDynamic.DataContext = _tabItems;

                tabDynamic.SelectedIndex = 0;
        }

        private void initImageCache()
        {
            // load all images in the "iamges" folder
            
            _imageSources = new Dictionary<string, ImageSource>();

            if (!string.IsNullOrEmpty(_imageFolder ) && Directory.Exists(_imageFolder))
            {

                foreach (var f in Directory.GetFiles(_imageFolder, "*.png", SearchOption.TopDirectoryOnly))
                {
                    if (f != null)
                    {
                        var filePath = Path.Combine(_imageFolder, f);

                        var bmp = new BitmapImage(new Uri(filePath));


                        var fileNameWithoutExtension = Path.GetFileNameWithoutExtension(f);
                        _imageSources.Add(fileNameWithoutExtension, bmp);
                    }
                }
            }
            _imageSources.Add(".UIController", new BitmapImage(new Uri(@"/Resources/UIController.png", UriKind.Relative)));
            _imageSources.Add(".FlowUIController",
                new BitmapImage(new Uri(@"/Resources/UIController.png", UriKind.Relative)));
            _imageSources.Add(".AbstractUIController",
                new BitmapImage(new Uri(@"/Resources/UIController.png", UriKind.Relative)));
        }

        /// <summary>
        /// 初始化
        /// </summary>
        public void init(string[] func_list)
        {
            for (int i = 0; i < func_list.Length; i++)
            {
                // 分割线
                Image img = new Image();
                BitmapImage bi = new BitmapImage();
                bi.BeginInit();
                bi.UriSource = new Uri(AppConfig.IconPath, UriKind.Relative);
                bi.EndInit();
                img.Margin = new Thickness(5, (i + 1) * 72 - 20, 0, 0);
                img.Width = 150;
                img.Height = 10;
                img.HorizontalAlignment = HorizontalAlignment.Left;
                img.VerticalAlignment = VerticalAlignment.Top;
                img.Source = bi;

                // 按钮
                MainNavButton mnb = new MainNavButton();
                mnb.Tag = func_list[i];
                mnb.id = i;
                mnb.init();
                mnb.HorizontalAlignment = HorizontalAlignment.Left;
                mnb.VerticalAlignment = VerticalAlignment.Top;
                mnb.Margin = new Thickness(0, (i + 1) * 72 - 20 + 3, 0, 0);
                if (i == 0)
                {
                    mnb.change_state();
                }
                mnbs.Add(mnb);
                this.main.Children.Add(img);
                this.main.Children.Add(mnb);
            }

        }

        public static BitmapImage GetCharacterPortrait(Player player)
        {
            if (player == null || player.CharacterID == 0)
                return null;

            int Size = 64;
            string filePath = string.Format("{0}\\{1}.jpg", Utils.PortraitDir, player.CharacterID);

            BitmapImage image = null;
            try
            {
                if (!File.Exists(filePath))
                {

                    WebClient wc = new WebClient();
                    wc.DownloadFile(
                        string.Format("http://img.eve.is/serv.asp?s={0}&c={1}", Size, player.CharacterID),
                        filePath);
                }

                image = new BitmapImage();
                image.BeginInit();
                image.UriSource = new Uri(filePath,
                                          UriKind.Absolute);
                image.EndInit();

            }
            catch (Exception)
            {
            }

            return image;
        }

 public static BitmapImage ByteArraytoBitmap(Byte[] byteArray)
 {
     MemoryStream stream = new MemoryStream(byteArray);
     BitmapImage bitmapImage = new BitmapImage();
     bitmapImage.SetSource(stream);
     return bitmapImage;
 }

        static TopWallpaperRenderer()
        {
            ScreenArea = new Rect(0, 0, 412, 240);

            var defTopAlt = new BitmapImage();
            defTopAlt.BeginInit();
            //defTopAlt.StreamSource = (Stream) Extensions.GetResources(@"TopAlt_DefMask\.png").First().Value;
            defTopAlt.UriSource = new Uri(@"pack://application:,,,/ThemeEditor.WPF;component/Resources/TopAlt_DefMask.png");
            defTopAlt.CacheOption = BitmapCacheOption.OnLoad;
            defTopAlt.EndInit();

            var bgrData = defTopAlt.GetBgr24Data();
            RawTexture rTex = new RawTexture(defTopAlt.PixelWidth, defTopAlt.PixelHeight, RawTexture.DataFormat.A8);
            rTex.Encode(bgrData);
            DefaultTopSquares = new TextureViewModel(rTex, null);

            RenderToolFactory.RegisterTool<PenTool, Pen>
                (key => new Pen(new SolidColorBrush(key.Color)
                {
                    Opacity = key.Opacity
                },
                            key.Width));

            RenderToolFactory.RegisterTool<SolidColorBrushTool, Brush>
                (key => new SolidColorBrush(key.Color)
                {
                    Opacity = key.Opacity
                });

            RenderToolFactory.RegisterTool<LinearGradientBrushTool, Brush>
                (key => new LinearGradientBrush(key.ColorA, key.ColorB, key.Angle)
                {
                    Opacity = key.Opacity
                });

            RenderToolFactory.RegisterTool<ImageBrushTool, Brush>
                (key => new ImageBrush(key.Image)
                {
                    TileMode = key.Mode,
                    ViewportUnits = key.ViewportUnits,
                    Viewport = key.Viewport,
                    Opacity = key.Opacity
                });

            Type ownerType = typeof(TopWallpaperRenderer);
            IsEnabledProperty
                .OverrideMetadata(ownerType, new FrameworkPropertyMetadata(false, OnIsEnabledChanged));

            ClipToBoundsProperty.OverrideMetadata(ownerType,
                new FrameworkPropertyMetadata(true, null, (o, value) => true));
            WidthProperty.OverrideMetadata(ownerType,
                new FrameworkPropertyMetadata(412.0, null, (o, value) => 412.0));
            HeightProperty.OverrideMetadata(ownerType,
                new FrameworkPropertyMetadata(240.0, null, (o, value) => 240.0));

            EffectProperty.OverrideMetadata(ownerType,
                new FrameworkPropertyMetadata(default(WarpEffect),
                    null,
                    (o, value) => ((TopWallpaperRenderer) o).GetWarpEffectInstance()));
        }

        private void busquedaBtn_Click(object sender, RoutedEventArgs e)
        {
            Client cliente = ControllerCliente.Instance.buscarCliente(busquedaBox.Text);
            if (cliente == null)
            {
                MessageBox.Show("No existe con ese carnet");
            }
            else
            {
                ciBox.Text = cliente.ci.ToString();
                nombreBox.Text = cliente.nombre;
                PaternoBox.Text = cliente.apellidoPaterno;
                MaternoBox.Text = cliente.apellidoMaterno;
                DomicilioBox.Text = cliente.domicilio;
                ZonaBox.Text = cliente.zona;
                emailBox.Text = cliente.email;
                telefonoCasaBox.Text = cliente.telefonoCasa;
                telefonoOficinaBox.Text = cliente.telefonoOficina;
                feCNacimientoBox.Text = cliente.fechaNacimiento.ToString();
                sexoBox.Text = cliente.sexo;
                BiometricoBox.Text = cliente.codBiometrico;

                System.IO.MemoryStream stream = new System.IO.MemoryStream(cliente.foto);
                BitmapImage foto = new BitmapImage();
                foto.BeginInit();
                foto.StreamSource = stream;
                foto.CacheOption = BitmapCacheOption.OnLoad;
                foto.EndInit();
                image.Source = foto;
            }
        }