IsValidExtension() public static method

public static IsValidExtension ( string fileName, string extensions ) : bool
fileName string
extensions string
return bool
示例#1
0
        public ImageViewer(string file)
        {
            IL.Initialize();
            Graphics.Init();

            // Extension supported?
            if (!ImageViewerUtils.IsValidExtension(file, EXTENSIONS))
            {
                return;
            }

            // Save Mouse Position -> will open image at this position
            Vector2i mousePos = Mouse.GetPosition();

            // Get Image
            LoadImage(file);

            if (Image == null)
            {
                return;
            }

            // Load Config File
            Config = new Config();
            Config.Load(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "config.txt"));

            if (Config.Setting_ListenForConfigChanges)
            {
                ConfigFileWatcher = new FileSystemWatcher(AppDomain.CurrentDomain.BaseDirectory, "config.txt");
                ConfigFileWatcher.NotifyFilter        = NotifyFilters.LastWrite;
                ConfigFileWatcher.Changed            += new FileSystemEventHandler(OnConfigChanged);
                ConfigFileWatcher.EnableRaisingEvents = true;
            }

            // Create Context Menu
            ContextMenu = new ContextMenu(this);
            ContextMenu.LoadItems(Config.ContextMenu, Config.ContextMenu_Animation, Config.ContextMenu_Animation_InsertAtIndex);
            ContextMenu.Setup(false);

            // Create Window
            Window = new RenderWindow(new VideoMode(Image.Texture.Size.X, Image.Texture.Size.Y), File + " - vimage", Styles.None);
            Window.SetActive();

            // Make Window Transparent (can only tell if image being viewed has transparency)
            DWM_BLURBEHIND bb = new DWM_BLURBEHIND(false);

            bb.dwFlags  = DWM_BB.Enable;
            bb.fEnable  = true;
            bb.hRgnBlur = new IntPtr();
            DWM.DwmEnableBlurBehindWindow(Window.SystemHandle, ref bb);

            bool _forceAlwaysOnTop = false;

            // Get Bounds
            IntRect bounds = ImageViewerUtils.GetCurrentBounds(mousePos);

            // Resize Window
            if (Config.Setting_LimitImagesToMonitor != Config.NONE)
            {
                // Fit to monitor height/width
                int limit = Config.Setting_LimitImagesToMonitor;

                if (limit == Config.AUTO)
                {
                    if (bounds.Height < bounds.Width)
                    {
                        limit = Config.HEIGHT;
                    }
                    else
                    {
                        limit = Config.WIDTH;
                    }
                }

                if (limit == Config.HEIGHT && Image.Texture.Size.Y > bounds.Height)
                {
                    Zoom(1 + (((float)bounds.Height - Image.Texture.Size.Y) / Image.Texture.Size.Y), true);
                    FitToMonitorHeightForced = true;
                }
                else if (limit == Config.WIDTH && Image.Texture.Size.X > bounds.Width)
                {
                    Zoom(1 + (((float)bounds.Width - Image.Texture.Size.X) / Image.Texture.Size.X), true);
                    AutomaticallyZoomed = true;
                }
            }
            if (Math.Min(Image.Texture.Size.X, Image.Texture.Size.Y) < Config.Setting_MinImageSize)
            {
                // Reisze images smaller than min size to min size
                AutomaticallyZoomed = true;
                Zoom(Config.Setting_MinImageSize / Math.Min(Image.Texture.Size.X, Image.Texture.Size.Y), true);
            }
            // Use Texture Size * Zoom instead of Window.Size since it wouldn't have updated yet
            Vector2i winSize = new Vector2i((int)(Image.Texture.Size.X * CurrentZoom), (int)(Image.Texture.Size.Y * CurrentZoom));


            // Position Window
            Vector2i winPos;

            if (Config.Setting_PositionLargeWideImagesInCorner && CurrentImageSize().X > CurrentImageSize().Y&& CurrentImageSize().X *CurrentZoom >= bounds.Width)
            {
                // Position Window in top-left if the image is wide (ie: a Desktop Wallpaper / Screenshot)
                winPos = new Vector2i(bounds.Left, bounds.Top);
            }
            else if (Config.Setting_OpenAtMousePosition)
            {
                // At Mouse Position
                winPos = new Vector2i(mousePos.X - (int)(winSize.X / 2), mousePos.Y - (int)(winSize.Y / 2));

                if (!FitToMonitorHeightForced)
                {
                    if (winPos.Y < bounds.Top)
                    {
                        winPos.Y = 0;
                    }
                    else if (winPos.Y + winSize.Y > bounds.Height)
                    {
                        winPos.Y = bounds.Height - (int)winSize.Y;
                    }
                }
                else
                {
                    winPos.Y = bounds.Top;
                }

                if (winPos.X < bounds.Left)
                {
                    winPos.X = bounds.Left;
                }
                else if (winPos.X + winSize.X > bounds.Left + bounds.Width)
                {
                    winPos.X = bounds.Left + bounds.Width - (int)winSize.X;
                }
            }
            else
            {
                // At Monitor Center
                IntRect monitorBounds = ImageViewerUtils.GetCurrentBounds(mousePos);
                winPos = new Vector2i(monitorBounds.Left + (int)((monitorBounds.Width - winSize.X) / 2), monitorBounds.Top + (int)((monitorBounds.Height - winSize.Y) / 2));
            }

            Window.Position = winPos;

            // Force Always On Top Mode (so it's above the task bar)
            if (FitToMonitorHeightForced || (Image.Texture.Size.Y >= bounds.Height && Image.Texture.Size.X < bounds.Width))
            {
                _forceAlwaysOnTop = true;
            }

            // Defaults
            // Rotation (some images have a rotation set in their exif data)
            RotateImage(DefaultRotation, false);
            // Smoothing
            if (Image is AnimatedImage)
            {
                Image.Data.Smooth = Math.Min(Image.Texture.Size.X, Image.Texture.Size.Y) < Config.Setting_SmoothingMinImageSize ? false : Config.Setting_SmoothingDefault;
            }
            else
            {
                Image.Texture.Smooth = Math.Min(Image.Texture.Size.X, Image.Texture.Size.Y) < Config.Setting_SmoothingMinImageSize ? false : Config.Setting_SmoothingDefault;
            }
            // Backgrounds For Images With Transparency
            BackgroundsForImagesWithTransparency = Config.Setting_BackgroundForImagesWithTransparencyDefault;

            ForceAlwaysOnTopNextTick = _forceAlwaysOnTop;

            Redraw();
            NextWindowPos = Window.Position;

            // Interaction
            Window.Closed              += OnWindowClosed;
            Window.MouseButtonPressed  += OnMouseDown;
            Window.MouseButtonReleased += OnMouseUp;
            Window.MouseWheelMoved     += OnMouseWheelMoved;
            Window.MouseMoved          += OnMouseMoved;
            Window.KeyReleased         += OnKeyUp;
            Window.KeyPressed          += OnKeyDown;

            // Loop
            Stopwatch clock = new Stopwatch();

            clock.Start();

            while (Window.IsOpen())
            {
                // Add in some idle time to not thrash the CPU
                Thread.Sleep(1);

                if (CloseNextTick)
                {
                    Window.Close();
                    break;
                }

                // Process events
                Window.DispatchEvents();

                if (ReloadConfigNextTick)
                {
                    ReloadConfig();
                    ReloadConfigNextTick = false;
                }

                // Animated Image?
                if (Image is AnimatedImage)
                {
                    bool imageUpdated = Image.Update((float)clock.Elapsed.TotalMilliseconds);
                    if (!Updated && imageUpdated)
                    {
                        Update();
                    }
                }
                clock.Restart();

                // Drag Window
                if (Dragging)
                {
                    Window.Position = new Vector2i(Mouse.GetPosition().X - DragPos.X, Mouse.GetPosition().Y - DragPos.Y);
                }

                // Update
                if (Updated)
                {
                    Updated = false;
                    Redraw();
                    Window.Position = NextWindowPos;
                }

                if (ForceAlwaysOnTopNextTick)
                {
                    bounds = ImageViewerUtils.GetCurrentBounds(Window.Position);
                    if (Window.Size.Y >= bounds.Height && Window.Size.X < bounds.Width)
                    {
                        ForceAlwaysOnTop();
                    }
                    else
                    {
                        ForceAlwaysOnTopNextTick = false;
                    }
                }

                if (PreloadNextImageStart)
                {
                    PreloadNextImage();
                }
            }
        }
示例#2
0
        ///////////////////////////
        //         Other         //
        ///////////////////////////

        private void GetFolderContents()
        {
            if (FolderContents != null && FolderContents.Count() > 0)
            {
                return;
            }

            string[] contents = Directory.GetFiles(File.Substring(0, File.LastIndexOf("\\")));
            contents = Array.FindAll(contents, delegate(string s) { return(ImageViewerUtils.IsValidExtension(s, EXTENSIONS)); });

            switch (SortImagesBy)
            {
            case SortBy.Name:
            {
                // Natural Sorting
                Func <string, object> convert = str =>
                {
                    ulong number;
                    bool  success = ulong.TryParse(str.Substring(0, Math.Min(str.Length, 19)), out number);
                    // max ulong is 18446744073709551615 (20 chars)
                    if (success)
                    {
                        return(number);
                    }
                    else
                    {
                        return(str);
                    }
                };
                if (SortImagesByDir == SortDirection.Ascending)
                {
                    FolderContents.AddRange(contents.OrderBy(
                                                str => Regex.Split(str.Replace(" ", ""), "([0-9]+)").Select(convert),
                                                new EnumerableComparer <object>()));
                }
                else
                {
                    FolderContents.AddRange(contents.OrderByDescending(
                                                str => Regex.Split(str.Replace(" ", ""), "([0-9]+)").Select(convert),
                                                new EnumerableComparer <object>()));
                }

                break;
            }

            case SortBy.DateModified:
            {
                if (SortImagesByDir == SortDirection.Ascending)
                {
                    FolderContents.AddRange(contents.OrderBy(d => new FileInfo(d).LastWriteTime));
                }
                else
                {
                    FolderContents.AddRange(contents.OrderByDescending(d => new FileInfo(d).LastWriteTime));
                }
                break;
            }

            case SortBy.DateCreated:
            {
                if (SortImagesByDir == SortDirection.Ascending)
                {
                    FolderContents.AddRange(contents.OrderBy(d => new FileInfo(d).CreationTime));
                }
                else
                {
                    FolderContents.AddRange(contents.OrderByDescending(d => new FileInfo(d).CreationTime));
                }
                break;
            }

            case SortBy.Size:
            {
                if (SortImagesByDir == SortDirection.Ascending)
                {
                    FolderContents.AddRange(contents.OrderBy(d => new FileInfo(d).Length));
                }
                else
                {
                    FolderContents.AddRange(contents.OrderByDescending(d => new FileInfo(d).Length));
                }
                break;
            }
            }

            FolderPosition = FolderContents.IndexOf(File);
        }