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Added workaround for broken GPS IFD entries produced by NOKIA phones

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Closes #260
This commit is contained in:
Martin Tůma 2020-01-16 22:54:12 +01:00
parent 37215959b8
commit a486abb159
2 changed files with 5 additions and 1 deletions
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1
src/common/tifffile.h
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@ -9,6 +9,7 @@
#define TIFF_SHORT 3 #define TIFF_SHORT 3
#define TIFF_LONG 4 #define TIFF_LONG 4
#define TIFF_RATIONAL 5 #define TIFF_RATIONAL 5
#define TIFF_SRATIONAL 10
#define TIFF_DOUBLE 12 #define TIFF_DOUBLE 12
class TIFFFile class TIFFFile

5
src/data/exifparser.cpp
View File

@ -82,7 +82,10 @@ double EXIFParser::altitude(TIFFFile &file, const IFDEntry &alt,
double EXIFParser::coordinate(TIFFFile &file, const IFDEntry &ll) const double EXIFParser::coordinate(TIFFFile &file, const IFDEntry &ll) const
{ {
if (!(ll.type == TIFF_RATIONAL && ll.count == 3)) // Some broken image creators like NOKIA phones use a wrong (SRATIONAL)
// data type
if (!((ll.type == TIFF_RATIONAL || ll.type == TIFF_SRATIONAL)
&& ll.count == 3))
return NAN; return NAN;
if (!file.seek(ll.offset)) if (!file.seek(ll.offset))