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Support Exiv2 >= v0.28.0

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The various Datum classes no longer have the toLong method and must be
replaced with toInt64.
ErrorCode is an enum class instead of an enum.
Error classes are reduced to Exiv2::Error.
This commit is contained in:
Lawrence Lee
2023-05-13 15:31:14 -07:00
parent e4690e73a3
commit 0ac49e4d9a
3 changed files with 83 additions and 33 deletions
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36
rtengine/metadata.cc
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@@ -31,6 +31,13 @@
#include "../rtgui/pathutils.h"
#if EXIV2_TEST_VERSION(0,28,0)
using Exiv2Error = Exiv2::Error;
#else
using Exiv2Error = Exiv2::AnyError;
#endif
namespace rtengine {
extern const Settings *settings;
@@ -39,9 +46,13 @@ std::unique_ptr<Exiv2Metadata::ImageCache> Exiv2Metadata::cache_(nullptr);
namespace {
class Error: public Exiv2::AnyError {
class Error: public Exiv2Error {
public:
Error(const std::string &msg): msg_(msg) {}
Error(const std::string &msg):
#if EXIV2_TEST_VERSION(0,28,0)
Exiv2Error(Exiv2::ErrorCode::kerGeneralError),
#endif
msg_(msg) {}
const char *what() const throw() { return msg_.c_str(); }
int code() const throw() { return 0; }
@@ -71,7 +82,7 @@ std::unique_ptr<Exiv2::Image> open_exiv2(const Glib::ustring& fname,
image->readMetadata();
if (!image->good() || (check_exif && image->exifData().empty())) {
#if EXIV2_TEST_VERSION(0,27,0)
auto error_code = Exiv2::kerErrorMessage;
auto error_code = Exiv2::ErrorCode::kerErrorMessage;
#else
auto error_code = 1;
#endif
@@ -95,6 +106,19 @@ void clear_metadata_key(Data &data, const Key &key)
}
}
template <typename Iterator, typename Integer = std::size_t>
auto to_long(const Iterator &iter, Integer n = Integer{0}) -> decltype(
#if EXIV2_TEST_VERSION(0,28,0)
iter->toInt64()
) {
return iter->toInt64(n);
#else
iter->toLong()
) {
return iter->toLong(n);
#endif
}
} // namespace
@@ -297,7 +321,7 @@ void Exiv2Metadata::saveToImage(const Glib::ustring &path, bool preserve_all_tag
dst->writeMetadata();
return;
} catch (Exiv2::Error &exc) {
if (exc.code() == 37) {
if (exc.code() == Exiv2::ErrorCode::kerTooLargeJpegSegment) {
std::string msg = exc.what();
if (msg.find("XMP") != std::string::npos &&
!dst->xmpData().empty()) {
@@ -519,8 +543,8 @@ void Exiv2Metadata::getDimensions(int &w, int &h) const
auto itw = exif.findKey(Exiv2::ExifKey("Exif.Image.ImageWidth"));
auto ith = exif.findKey(Exiv2::ExifKey("Exif.Image.ImageLength"));
if (itw != exif.end() && ith != exif.end()) {
w = itw->toLong();
h = ith->toLong();
w = to_long(itw);
h = to_long(ith);
} else {
w = h = -1;
}