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Added support for thumbnail images in waypoint info

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+ fixed and improved exif parser
This commit is contained in:
Martin Tůma
2019-03-13 20:48:25 +01:00
parent cdfd968592
commit 541e658741
8 changed files with 153 additions and 66 deletions
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4
src/common/tifffile.cpp
View File

@ -4,10 +4,12 @@
#define TIFF_MM 0x4D4D
#define TIFF_MAGIC 42
TIFFFile::TIFFFile(QIODevice *device) : _device(device), _ifd(0)
TIFFFile::TIFFFile(QIODevice *device) : _device(device), _ifd(0), _offset(0)
{
quint16 endian, magic;
_offset = _device->pos();
if (_device->read((char*)&endian, sizeof(endian)) < (qint64)sizeof(endian))
return;
if (endian == TIFF_II)

7
src/common/tifffile.h
View File

@ -19,8 +19,10 @@ public:
bool isValid() const {return _ifd != 0;}
quint32 ifd() const {return _ifd;}
bool seek(qint64 pos) {return _device->seek(pos);}
qint64 pos() const {return _device->pos();}
bool seek(qint64 pos) {return _device->seek(_offset + pos);}
qint64 pos() const {return _offset + _device->pos();}
QByteArray read(qint64 maxSize) {return _device->read(maxSize);}
template<class T> bool readValue(T &val)
{
T data;
@ -50,6 +52,7 @@ private:
QIODevice *_device;
bool _be;
quint32 _ifd;
qint64 _offset;
};
#endif // TIFFFILE_H