Image Magick

myBlob Class Reference

Inheritance diagram for myBlob:

[legend]Collaboration diagram for myBlob:

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Public Types
enum	Allocator { MallocAllocator, NewAllocator }
enum	Allocator { MallocAllocator, NewAllocator }
Public Member Functions
	myBlob (ifstream &stream_)
void	base64 (const std::string base64_)
std::string	base64 (void)
void	base64 (const std::string base64_)
std::string	base64 (void)
void	update (const void *data_, size_t length_)
void	update (const void *data_, size_t length_)
void	updateNoCopy (void *data_, size_t length_, Allocator allocator_=NewAllocator)
void	updateNoCopy (void *data_, size_t length_, Allocator allocator_=NewAllocator)
const void *	data (void) const
const void *	data (void) const
size_t	length (void) const
size_t	length (void) const

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Member Enumeration Documentation

enum Magick::Blob::Allocator [inherited]

Enumeration values: MallocAllocator  NewAllocator  Definition at line 24 of file Blob.h. { MallocAllocator, NewAllocator };

enum Magick::Blob::Allocator [inherited]

Enumeration values: MallocAllocator  NewAllocator  Definition at line 24 of file Blob.h. { MallocAllocator, NewAllocator };

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Constructor & Destructor Documentation

myBlob::myBlob (  ifstream &  stream_  )  [inline]

Definition at line 28 of file readWriteBlob.cpp. : Blob() { unsigned char* blobData = new unsigned char[100000]; char* c= reinterpret_cast<char *>(blobData); size_t blobLen=0; while( (blobLen< 100000) && stream_.get(*c) ) { c++; blobLen++; } if ((!stream_.eof()) || (blobLen == 0)) { cout << "Failed to stream into blob!" << endl; exit(1); } // Insert data into blob updateNoCopy( reinterpret_cast<void*>(blobData), blobLen, Blob::NewAllocator ); }

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Member Function Documentation

std::string Magick::Blob::base64 (  void   )  [inherited]

void Magick::Blob::base64 (  const std::string  base64_  )  [inherited]

std::string Magick::Blob::base64 (  void   )  [inherited]

Definition at line 97 of file Blob.cpp. References Base64Encode(), Magick::Blob::data(), Magick::Blob::length(), and RelinquishMagickMemory(). { size_t encoded_length = 0; char *encoded = Base64Encode(static_cast<const unsigned char*>(data()), length(), &encoded_length); if(encoded) { std::string result(encoded,encoded_length); encoded=(char *) RelinquishMagickMemory(encoded); return result; } return std::string(); } Here is the call graph for this function:

void Magick::Blob::base64 (  const std::string  base64_  )  [inherited]

Definition at line 84 of file Blob.cpp. References Base64Decode(), Magick::Blob::length(), Magick::Blob::MallocAllocator, and Magick::Blob::updateNoCopy(). { size_t length; unsigned char *decoded = Base64Decode( base64_.c_str(), &length ); if(decoded) updateNoCopy( static_cast<void*>(decoded), length, Magick::Blob::MallocAllocator ); } Here is the call graph for this function:

const void* Magick::Blob::data (  void   )  const [inherited]

const void * Magick::Blob::data (  void   )  const [inherited]

Definition at line 158 of file Blob.cpp. References Magick::Blob::_blobRef, and Magick::BlobRef::_data. Referenced by Magick::Blob::base64(), Magick::Image::iptcProfile(), Magick::Image::ping(), Magick::Image::profile(), Magick::Image::read(), and Magick::readImages(). { return _blobRef->_data; }

size_t Magick::Blob::length (  void   )  const [inherited]

size_t Magick::Blob::length (  void   )  const [inherited]

Definition at line 164 of file Blob.cpp. References Magick::Blob::_blobRef, and Magick::BlobRef::_length. Referenced by Magick::Blob::base64(), Magick::Image::iptcProfile(), Magick::Image::ping(), Magick::Image::profile(), Magick::Image::read(), and Magick::readImages(). { return _blobRef->_length; }

void Magick::Blob::update (  const void *  data_, size_t  length_ )  [inherited]

void Magick::Blob::update (  const void *  data_, size_t  length_ )  [inherited]

Definition at line 116 of file Blob.cpp. References Magick::Blob::_blobRef, Magick::BlobRef::_mutexLock, Magick::BlobRef::_refCount, and Magick::Blob::update(). Referenced by Magick::Blob::update(). { bool doDelete = false; { Lock( &_blobRef->_mutexLock ); if ( --_blobRef->_refCount == 0 ) doDelete = true; } if ( doDelete ) { // Delete old blob reference with associated data delete _blobRef; } _blobRef = new Magick::BlobRef( data_, length_ ); } Here is the call graph for this function:

void Magick::Blob::updateNoCopy (  void *  data_, size_t  length_, Allocator  allocator_ = NewAllocator )  [inherited]

void Magick::Blob::updateNoCopy (  void *  data_, size_t  length_, Allocator  allocator_ = NewAllocator )  [inherited]

Definition at line 137 of file Blob.cpp. References Magick::BlobRef::_allocator, Magick::Blob::_blobRef, Magick::BlobRef::_data, Magick::BlobRef::_length, Magick::BlobRef::_mutexLock, Magick::BlobRef::_refCount, and Magick::Blob::updateNoCopy(). Referenced by Magick::Blob::base64(), Magick::Blob::updateNoCopy(), Magick::Image::write(), and Magick::writeImages(). { bool doDelete = false; { Lock( &_blobRef->_mutexLock ); if ( --_blobRef->_refCount == 0 ) doDelete = true; } if ( doDelete ) { // Delete old blob reference with associated data delete _blobRef; } _blobRef = new Magick::BlobRef( 0, 0 ); _blobRef->_data = data_; _blobRef->_length = length_; _blobRef->_allocator = allocator_; } Here is the call graph for this function:

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The documentation for this class was generated from the following file:

• ImageMagick-6.1.1/Magick++/tests/readWriteBlob.cpp

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