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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/image__io_8cpp_source.html below:

NCBI C++ ToolKit: src/util/image/image_io.cpp Source File

47 #define NCBI_USE_ERRCODE_X Util_Image 98

istr.seekg(-istr.gcount(), ios::cur);

105  if

(memcmp(magic,

i

->m_Signature,

i

->m_Length) == 0) {

146

string::size_type pos = fname.find_last_of(

"."

);

147  if

(pos == string::npos) {

151  string

ext(fname.substr(pos + 1, fname.length() - pos - 1));

156  if

(ext ==

i

->m_Ext) {

165  size_t

* width,

size_t

* height,

size_t

*

depth

,

174  size_t

* width,

size_t

* height,

size_t

*

depth

,

188  size_t

pos = istr.tellg();

189  bool

res =

handler

->ReadImageInfo(istr, width, height,

depth

);

190

istr.seekg(pos, ios::beg);

219  return handler

->ReadImage(istr);

234  size_t

x,

size_t

y,

size_t

w,

size_t

h,

243  size_t

x,

size_t

y,

size_t

w,

size_t

h,

251  return handler

->ReadImage(istr, x, y, w, h);

308  const string

&

file

,

309  size_t

x,

size_t

y,

size_t

w,

size_t

h,

333  size_t

x,

size_t

y,

size_t

w,

size_t

h,

360  "Image format not supported"

);

class CImageIOHandler This is the base class for all image I/O handlers, and defines the standard int...

static EType GetTypeFromMagic(CNcbiIstream &istr)

static bool WriteSubImage(const CImage &image, CNcbiOstream &ostr, size_t x, size_t y, size_t w, size_t h, EType type, ECompress compress=eCompress_Default)

static bool ReadImageInfo(const string &file, size_t *width, size_t *height, size_t *depth, EType *type)

read just the image information

static CImage * ReadSubImage(CNcbiIstream &istr, size_t x, size_t y, size_t w, size_t h, EType type=CImageIO::eUnknown)

static CImageIOHandler * x_GetHandler(EType type)

static bool WriteImage(const CImage &image, CNcbiOstream &ostr, EType type, ECompress compress=eCompress_Default)

static EType GetTypeFromFileName(const string &file)

static CImage * ReadImage(const string &file, EType type=CImageIO::eUnknown)

void(*)(CSeq_entry_Handle seh, IWorkbench *wb, const CSerialObject &obj) handler

static unsigned char depth[2 *(256+1+29)+1]

std::ofstream out("events_result.xml")

main entry point for tests

#define ERR_POST_X(err_subcode, message)

Error posting with default error code and given error subcode.

void Error(CExceptionArgs_Base &args)

#define NCBI_THROW(exception_class, err_code, message)

Generic macro to throw an exception, given the exception class, error code and message string.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

IO_PREFIX::ofstream CNcbiOfstream

Portable alias for ofstream.

IO_PREFIX::ostream CNcbiOstream

Portable alias for ostream.

IO_PREFIX::istream CNcbiIstream

Portable alias for istream.

IO_PREFIX::ifstream CNcbiIfstream

Portable alias for ifstream.

static string & ToLower(string &str)

Convert string to lower case – string& version.

static const SExtMagicInfo kExtensionMagicTable[]

static const int kMaxMagic

static const struct SMagicInfo kMagicTable[]

Definition of all error codes used in util (xutil.lib).

std::istream & in(std::istream &in_, double &x_)

unsigned char m_Signature[kMaxMagic]

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