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EXR: support for metadata saved by Photoshop

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Mirco Miranda
2026-09-10 07:36:10 +02:00
committed by Mirco Miranda
parent 43e6efb0e5
commit 6a3c7f2c86
8 changed files with 299 additions and 186 deletions
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src/imageformats/exr.cpp
+30
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@@ -8,6 +8,8 @@
*/
#include "exr_p.h"
#include "microexif_p.h"
#include "photoshop_p.h"
#include "scanlineconverter_p.h"
#include "util_p.h"
@@ -385,6 +387,34 @@ static void readMetadata(const Imf::Header &header, QImage &image)
if (auto focalLen = header.findTypedAttribute<Imf::FloatAttribute>("effectiveFocalLength")) {
image.setText(QStringLiteral(META_KEY_FOCALLENGTH), QLocale::c().toString(focalLen->value()));
}
// Photoshop image resource section
if (auto adobe = header.findTypedAttribute<Imf::OpaqueAttribute>("adobe_rsrc")) {
auto &&data = adobe->data();
auto ba = QByteArray(data, data.size());
ba.prepend((data.size()) & 0xFF);
ba.prepend((data.size() >> 8) & 0xFF);
ba.prepend((data.size() >> 16) & 0xFF);
ba.prepend((data.size() >> 24) & 0xFF);
QDataStream ds(ba);
ds.setByteOrder(QDataStream::BigEndian);
auto ok = false;
auto irs = readImageResourceSection(ds, &ok);
if (ok) {
if (irs.contains(IRI_EXIFDATA1)) {
auto exif = MicroExif::fromByteArray(irs.value(IRI_EXIFDATA1).data);
exif.updateImageMetadata(image);
exif.updateImageResolution(image);
}
if (irs.contains(IRI_XMPMETADATA)) {
auto irb = irs.value(IRI_XMPMETADATA);
auto xmp = QString::fromUtf8(irb.data);
if (!xmp.isEmpty())
image.setText(QStringLiteral(META_KEY_XMP_ADOBE), xmp);
}
}
}
}
/*!