src/servers/app/ServerPicture.h

   1 /*
   2  * Copyright 2001-2015, Haiku.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              DarkWyrm <bpmagic@columbus.rr.com>
   7  *              Stefano Ceccherini <stefano.ceccherini@gmail.com>
   8  *              Julian Harnath <julian.harnath@rwth-aachen.de>
   9  */
  10 #ifndef SERVER_PICTURE_H
  11 #define SERVER_PICTURE_H
  12
  13
  14 #include <DataIO.h>
  15
  16 #include <ObjectList.h>
  17 #include <PictureDataWriter.h>
  18 #include <Referenceable.h>
  19
  20
  21 class BFile;
  22 class Canvas;
  23 class ServerApp;
  24 class View;
  25
  26 namespace BPrivate {
  27         class LinkReceiver;
  28         class PortLink;
  29 }
  30 class BList;
  31
  32
  33 class ServerPicture : public BReferenceable, public PictureDataWriter {
  34 public:
  35                                                                 ServerPicture();
  36                                                                 ServerPicture(const ServerPicture& other);
  37                                                                 ServerPicture(const char* fileName,
  38                                                                         int32 offset);
  39         virtual                                         ~ServerPicture();
  40
  41                         int32                           Token() { return fToken; }
  42                         bool                            SetOwner(ServerApp* owner);
  43                         ServerApp*                      Owner() const { return fOwner; }
  44
  45                         bool                            ReleaseClientReference();
  46
  47                         void                            EnterStateChange();
  48                         void                            ExitStateChange();
  49
  50                         void                            SyncState(View* view);
  51                         void                            SetFontFromLink(BPrivate::LinkReceiver& link);
  52
  53                         void                            Play(Canvas* target);
  54
  55                         void                            PushPicture(ServerPicture* picture);
  56                         ServerPicture*          PopPicture();
  57
  58                         void                            AppendPicture(ServerPicture* picture);
  59                         bool                            NestPicture(ServerPicture* picture);
  60
  61                         off_t                           DataLength() const;
  62
  63                         status_t                        ImportData(BPrivate::LinkReceiver& link);
  64                         status_t                        ExportData(BPrivate::PortLink& link);
  65
  66 private:
  67         friend class PictureBoundingBoxPlayer;
  68
  69                         typedef BObjectList<ServerPicture> PictureList;
  70
  71                         int32                           fToken;
  72                         BFile*                          fFile;
  73                         BPositionIO*            fData;
  74                         PictureList*            fPictures;
  75                         ServerPicture*          fPushed;
  76                         ServerApp*                      fOwner;
  77 };
  78
  79
  80 #endif  // SERVER_PICTURE_H