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properly handle exif orientation

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translate the tag value to string using the exiftool way, to be compatible with RT.
Fixes issue #4

(cherry picked from commit a4621f54b2ac82b679cf9d865a0a3e4a2ed9c468)
This commit is contained in:
Alberto Griggio
2019-09-16 01:30:52 -07:00
committed by Lawrence Lee
parent e5c8ceac5f
commit df39e13cf7
1 changed files with 17 additions and 1 deletions
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18
rtengine/imagedata.cc
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@@ -256,7 +256,23 @@ FramesData::FramesData(const Glib::ustring &fname) :
} }
if (find_tag(Exiv2::orientation)) { if (find_tag(Exiv2::orientation)) {
orientation = validateUft8(pos->print(&exif)); // validateUft8 (#5923) still needed? static const std::vector<std::string> ormap = {
"Unknown",
"Horizontal (normal)",
"Mirror horizontal",
"Rotate 180",
"Mirror vertical",
"Mirror horizontal and rotate 270 CW",
"Rotate 90 CW",
"Mirror horizontal and rotate 90 CW",
"Rotate 270 CW",
"Unknown"
};
auto idx = pos->toLong();
if (idx >= 0 && idx < long(ormap.size())) {
orientation = ormap[idx];
}
//orientation = pos->print(&exif);
} }
if (find_tag(Exiv2::lensName)) { if (find_tag(Exiv2::lensName)) {