Magick++  7.0.7
Convert, Edit, Or Compose Bitmap Images
BlobRef.h
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1 // This may look like C code, but it is really -*- C++ -*-
2 //
3 // Copyright Bob Friesenhahn, 1999, 2000, 2001, 2002
4 // Copyright Dirk Lemstra 2014-2015
5 //
6 // Blob reference class
7 //
8 // This is an internal implementation class that should not be
9 // accessed by users.
10 //
11 
12 #if !defined(Magick_Blob_header)
13 #define Magick_Blob_header
14 
15 #include "Magick++/Include.h"
16 #include "Magick++/Thread.h"
17 #include "Magick++/Blob.h"
18 
19 namespace Magick
20 {
21  class BlobRef
22  {
23  public:
24 
25  // Construct with data, making private copy of data
26  BlobRef(const void* data_,const size_t length_);
27 
28  // Destructor (actually destroys data)
29  ~BlobRef(void);
30 
31  // Decreases reference count and return the new count
32  size_t decrease();
33 
34  // Increases reference count
35  void increase();
36 
37  Blob::Allocator allocator; // Memory allocation system in use
38  size_t length; // Blob length
39  void* data; // Blob data
40 
41  private:
42  // Copy constructor and assignment are not supported
43  BlobRef(const BlobRef&);
44  BlobRef& operator=(const BlobRef&);
45 
46  MutexLock _mutexLock; // Mutex lock
47  size_t _refCount; // Reference count
48  };
49 
50 } // namespace Magick
51 
52 #endif // Magick_Blob_header
BlobRef(const void *data_, const size_t length_)
Definition: BlobRef.cpp:19
Blob::Allocator allocator
Definition: BlobRef.h:37
void * data
Definition: BlobRef.h:39
void increase()
Definition: BlobRef.cpp:62
size_t decrease()
Definition: BlobRef.cpp:44
size_t length
Definition: BlobRef.h:38
Definition: Blob.h:15
~BlobRef(void)
Definition: BlobRef.cpp:33