nn::jpeg::CTR::JpegMpDecoder::GetGpsAreaInformationSize Member Function

#include <nn/jpeg.h>

static size_t GetGpsAreaInformationSize(
     const GpsData * pGps
);

	Name	Description
in	pGps	Specifies the GPS IFD. Call the GetLastGpsData function to obtain this.

If successful, the function returns the number of bytes representing the name of the located position. Returns 0 on failure.

Gets the number of bytes representing the name of the located position included in GPS IFD.

This function needs image data to get the information. Do not destroy the GPS IFD structure.

Use the GetGpsAreaInformationPointer function to get a pointer to the MakerNote data. This function fails if the pointer to data is NULL.

2010/10/21

Initial version.