src/apps/haikudepot/ui_generic/SharedBitmap.h

   1 /*
   2  * Copyright 2013-2014, Stephan Aßmus <superstippi@gmx.de>.
   3  * All rights reserved. Distributed under the terms of the MIT License.
   4  */
   5 #ifndef SHARED_BITMAP_H
   6 #define SHARED_BITMAP_H
   7
   8
   9 #include <Referenceable.h>
  10 #include <String.h>
  11
  12 #include "List.h"
  13
  14
  15 class BBitmap;
  16 class BPositionIO;
  17
  18
  19 class SharedBitmap : public BReferenceable {
  20 public:
  21                 enum Size {
  22                         SIZE_ANY = -1,
  23                         SIZE_16 = 0,
  24                         SIZE_22 = 1,
  25                         SIZE_32 = 2,
  26                         SIZE_64 = 3
  27                 };
  28
  29                                                                 SharedBitmap(BBitmap* bitmap);
  30                                                                 SharedBitmap(int32 resourceID);
  31                                                                 SharedBitmap(const char* mimeType);
  32                                                                 SharedBitmap(BPositionIO& data);
  33                                                                 ~SharedBitmap();
  34
  35                         const BBitmap*          Bitmap(Size which);
  36
  37 private:
  38                         BBitmap*                        _CreateBitmapFromResource(int32 size) const;
  39                         BBitmap*                        _CreateBitmapFromBuffer(int32 size) const;
  40                         BBitmap*                        _CreateBitmapFromMimeType(int32 size) const;
  41
  42                         BBitmap*                        _LoadBitmapFromBuffer(const void* buffer,
  43                                                                         size_t dataSize) const;
  44                         BBitmap*                        _LoadArchivedBitmapFromStream(
  45                                                                         BPositionIO& stream) const;
  46                         BBitmap*                        _LoadTranslatorBitmapFromStream(
  47                                                                         BPositionIO& stream) const;
  48                         BBitmap*                        _LoadIconFromBuffer(const void* buffer,
  49                                                                         size_t dataSize, int32 size) const;
  50
  51 private:
  52                         int32                           fResourceID;
  53                         uint8*                          fBuffer;
  54                         off_t                           fSize;
  55                         BString                         fMimeType;
  56                         BBitmap*                        fBitmap[4];
  57 };
  58
  59
  60 typedef BReference<SharedBitmap> BitmapRef;
  61 typedef List<BitmapRef, false> BitmapList;
  62
  63
  64 #endif // SHARED_BITMAP_H