1 // This may look like C code, but it is really -*- C++ -*-
2 //
3 // Copyright Bob Friesenhahn, 1999, 2000, 2001, 2002, 2004
4 // Copyright Dirk Lemstra 2015
5 //
6 // Implementation of Blob
7 //
8 
9 #define MAGICKCORE_IMPLEMENTATION  1
10 #define MAGICK_PLUSPLUS_IMPLEMENTATION 1
11 
12 #include "Magick++/Include.h"
13 #include "Magick++/Thread.h"
14 #include "Magick++/BlobRef.h"
15 
16 #include <string.h>
17 
BlobRef(const void * data_,const size_t length_)18 Magick::BlobRef::BlobRef(const void* data_,const size_t length_)
19   : _data(0),
20     _length(length_),
21     _allocator(Magick::Blob::NewAllocator),
22     _refCount(1),
23     _mutexLock()
24 {
25   if (data_)
26     {
27       _data=new unsigned char[length_];
28       memcpy(_data,data_,length_);
29     }
30 }
31 
32 // Destructor (actually destroys data)
~BlobRef(void)33 Magick::BlobRef::~BlobRef(void)
34 {
35   if (_allocator == Magick::Blob::NewAllocator)
36     {
37       delete[] static_cast<unsigned char*>(_data);
38       _data=0;
39     }
40   else if (_allocator == Magick::Blob::MallocAllocator)
41     {
42       _data=(void *) RelinquishMagickMemory(_data);
43     }
44 }
45