Inheritance: UIScrollViewDelegate
示例#1
0
        // Init method. Call this before adding the instance of the PDF_Manager to the View.
        public void Init(CGPDFDocument oPdfDoc, int page, PageTurnViewController mother_controller)
        {
            Console.WriteLine ("Rendering PDF Page Number: " + page);
            this.page_number = page;
            this.currentPDFdocument = oPdfDoc;

            currentPDFPage = this.currentPDFdocument.GetPage (page_number);

            RectangleF oPdfPageRect = this.currentPDFPage.GetBoxRect (CGPDFBox.Bleed);

            Console.WriteLine ("PDFRect : " + oPdfPageRect.ToString ());

            // Setup tiled layer.
            oTiledLayer = new CATiledLayer ();
            tiled_layer_delegate = new TiledLayerDelegate (this);
            oTiledLayer.Delegate = tiled_layer_delegate;
            oTiledLayer.TileSize = new SizeF (1024f, 1024f);
            oTiledLayer.LevelsOfDetail = 5;
            oTiledLayer.LevelsOfDetailBias = 5;
            oTiledLayer.Frame = oPdfPageRect;
            Console.WriteLine ("oTiledLayer.Frame : " + oTiledLayer.Frame.ToString ());

            this.oContentView = new UIView (oPdfPageRect);
            this.oContentView.Layer.AddSublayer (oTiledLayer);

            this.View.AutoresizingMask = mother_controller.View.AutoresizingMask;
            this.View.AutosizesSubviews = true;

            #if DEBUG
            this.View.Layer.BorderColor = UIColor.Red.CGColor;
            this.View.Layer.BorderWidth = 2f;
            #endif

            // Prepare scroll view.

            this.scroll_area.AutoresizingMask = mother_controller.View.AutoresizingMask;

            scroll_area_delegate = new ScrollViewDelegate (this);
            scroll_area.Delegate = scroll_area_delegate;

            scroll_area.ContentSize = oPdfPageRect.Size;
            scroll_area.MaximumZoomScale = 1000f;
            scroll_area.MinimumZoomScale = 0.1f;

            scroll_area.AddSubview (this.oContentView);
            scroll_area.SetZoomScale (this.View.Frame.Width / oContentView.Frame.Width, false);
        }
示例#2
0
        protected override void Dispose(bool disposing)
        {
            if (oTiledLayer != null)
                oTiledLayer.RemoveFromSuperLayer ();

            if (oContentView != null)
                oContentView.RemoveFromSuperview ();

            if (scroll_area != null)
                scroll_area.RemoveFromSuperview();

            if (tiled_layer_delegate != null)
                tiled_layer_delegate.Dispose ();

            if (scroll_area_delegate != null)
                scroll_area_delegate.Dispose ();

            if (scroll_area != null)
                scroll_area.Delegate = null;

            if (oTiledLayer != null)
                oTiledLayer.Delegate = null;

            scroll_area_delegate = null;

            tiled_layer_delegate = null;

            if (currentPDFPage != null)
                currentPDFPage.Dispose ();

            currentPDFPage = null;

            if (oTiledLayer != null)
                oTiledLayer.Dispose ();

            oTiledLayer = null;

            base.Dispose (disposing);
        }