src/map/tifffile.cpp

   1 #include "tifffile.h"
   2
   3 #define TIFF_II     0x4949
   4 #define TIFF_MM     0x4D4D
   5 #define TIFF_MAGIC  42
   6
   7 bool TIFFFile::readHeader(quint32 &ifd)
   8 {
   9         quint16 endian, magic;
  10
  11         if (QFile::read((char*)&endian, sizeof(endian)) < (qint64)sizeof(endian))
  12                 return false;
  13         if (endian == TIFF_II)
  14                 _be = false;
  15         else if (endian == TIFF_MM)
  16                 _be = true;
  17         else
  18                 return false;
  19
  20         if (!readValue(magic))
  21                 return false;
  22         if (magic != TIFF_MAGIC)
  23                 return false;
  24         if (!readValue(ifd))
  25                 return false;
  26
  27         return true;
  28 }