src/deepzoomimagetilesource.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * deepzoomimagetilesource.h
   4  *
   5  * Contact:
   6  *   Moonlight List (moonlight-list@lists.ximian.com)
   7  *
   8  * Copyright 2007-2009 Novell, Inc. (http://www.novell.com)
   9  *
  10  * See the LICENSE file included with the distribution for details.
  11  *
  12  */
  13
  14 #ifndef __DEEPZOOMIMAGETILESOURCE_H__
  15 #define __DEEPZOOMIMAGETILESOURCE_H__
  16
  17 #include <expat.h>
  18 #include "multiscalesubimage.h"
  19 #include "multiscaleimage.h"
  20 #include "tilesource.h"
  21 #include "downloader.h"
  22 #include "uri.h"
  23
  24 typedef void (*msi_cb) (MultiScaleImage *msi);
  25
  26 /* @Version=2,Namespace=System.Windows.Media */
  27 class DeepZoomImageTileSource : public MultiScaleTileSource {
  28
  29         msi_cb parsed_callback;
  30         msi_cb failed_callback;
  31         msi_cb sourcechanged_callback;
  32         MultiScaleImage *cb_userdata;
  33
  34         bool downloaded;
  35         bool parsed;
  36         char *format;
  37         bool nested;
  38         GList *display_rects;
  39         XML_Parser parser;
  40
  41         void Init ();
  42
  43         void UriSourceChanged ();
  44         void Abort ();
  45
  46         bool isCollection;
  47         int maxLevel;
  48         Cancellable *get_resource_aborter;
  49
  50  protected:
  51         virtual ~DeepZoomImageTileSource ();
  52
  53  public:
  54         GList *subimages;
  55         bool IsCollection () { return isCollection;}
  56         int GetMaxLevel () { return maxLevel;}
  57
  58         /* @GenerateCBinding,GeneratePInvoke */
  59         DeepZoomImageTileSource ();
  60         DeepZoomImageTileSource (Uri *uri, bool nested = false);
  61
  62         void Download ();
  63         void DownloaderComplete ();
  64         void DownloaderFailed ();
  65         bool GetTileLayer (int level, int x, int y, Uri *uri);
  66         bool IsDownloaded () {return downloaded; }
  67         bool IsParsed () {return parsed; }
  68
  69         virtual void OnPropertyChanged (PropertyChangedEventArgs *args, MoonError *error);
  70
  71         void XmlWrite (char* buffer, gint32 offset, gint32 n);
  72
  73         void set_callbacks (msi_cb parsed, msi_cb failed, msi_cb source_changed, MultiScaleImage *userdata)
  74         {
  75                 parsed_callback = parsed;
  76                 failed_callback = failed;
  77                 sourcechanged_callback = source_changed;
  78                 cb_userdata = userdata;
  79         }
  80
  81
  82         //
  83         // Properties
  84         //
  85         /* @PropertyType=Uri,GenerateAccessors */
  86         const static int UriSourceProperty;
  87
  88         void        SetUriSource (Uri* value);
  89         Uri*        GetUriSource ();
  90
  91         void EndElement (void *info, const char* el);
  92 };
  93
  94 #endif /* __DEEPZOOMIMAGETILESOURCE_H__ */