Provided by: libemf-doc_1.0.9+git.10.3231442-1_all
NAME
EMF::ENHMETAHEADER - Enhanced Metafile Header Record.
SYNOPSIS
#include <libemf.h> Inherits EMF::METARECORD, and ENHMETAHEADER. Public Member Functions ENHMETAHEADER (LPCWSTR description=0) ~ENHMETAHEADER () bool serialize (DATASTREAM ds) bool unserialize (DATASTREAM ds) int size (void) const void execute (METAFILEDEVICECONTEXT *source, HDC dc) const
Detailed Description
Enhanced Metafile Header Record. The ENHMETAHEADER serves two purposes in this library: it keeps track of the size of the metafile (in physical dimensions) and number of records and handles that are ultimately to be written to the disk file. It is also a real record that must be written out.
Constructor & Destructor Documentation
EMF::ENHMETAHEADER::ENHMETAHEADER (LPCWSTR description = 0) [inline] Parameters: description an optional description argument is a UNICODE-like string with the following format: 'some text\0some more text\0\0'. The W32 interface defines UNICODE characters to be two-byte (unsigned short strings). The constructor makes a copy of the argument. EMF::ENHMETAHEADER::~ENHMETAHEADER () [inline] Destructor deletes memory allocated for description.
Member Function Documentation
void EMF::ENHMETAHEADER::execute (METAFILEDEVICECONTEXT * source, HDC dc) const [inline], [virtual] Execute this record in the context of the given device context. Parameters: source the device context from which this record is taken. dc device context for execute. Implements EMF::METARECORD. bool EMF::ENHMETAHEADER::serialize (DATASTREAM ds) [inline], [virtual] Serializing the header is an example of an extended record. Parameters: ds Metafile datastream. Implements EMF::METARECORD. References EMF::WCHARSTR::WCHARSTR(). int EMF::ENHMETAHEADER::size (void) const [inline], [virtual] Internally computed size of this record. Implements EMF::METARECORD. Referenced by EMF::METAFILEDEVICECONTEXT::nextHandle(). bool EMF::ENHMETAHEADER::unserialize (DATASTREAM ds) [inline] Read a header record from the datastream. Referenced by EMF::EMRCREATEPALETTE::execute().
Author
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