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Allow EXIF metadata to be set/update #650

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Lovell Fuller
2021-04-05 11:39:53 +01:00
parent 43a085d1ae
commit bc60daff9e
9 changed files with 108 additions and 1 deletions
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14
src/pipeline.cc
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@@ -717,11 +717,17 @@ class PipelineWorker : public Napi::AsyncWorker {
->set("input_profile", "srgb")
->set("intent", VIPS_INTENT_PERCEPTUAL));
}
// Override EXIF Orientation tag
if (baton->withMetadata && baton->withMetadataOrientation != -1) {
image = sharp::SetExifOrientation(image, baton->withMetadataOrientation);
}
// Metadata key/value pairs, e.g. EXIF
if (!baton->withMetadataStrs.empty()) {
image = image.copy();
for (const auto& s : baton->withMetadataStrs) {
image.set(s.first.data(), s.second.data());
}
}
// Number of channels used in output image
baton->channels = image.bands();
@@ -1379,6 +1385,12 @@ Napi::Value pipeline(const Napi::CallbackInfo& info) {
baton->withMetadata = sharp::AttrAsBool(options, "withMetadata");
baton->withMetadataOrientation = sharp::AttrAsUint32(options, "withMetadataOrientation");
baton->withMetadataIcc = sharp::AttrAsStr(options, "withMetadataIcc");
Napi::Object mdStrs = options.Get("withMetadataStrs").As<Napi::Object>();
Napi::Array mdStrKeys = mdStrs.GetPropertyNames();
for (unsigned int i = 0; i < mdStrKeys.Length(); i++) {
std::string k = sharp::AttrAsStr(mdStrKeys, i);
baton->withMetadataStrs.insert(std::make_pair(k, sharp::AttrAsStr(mdStrs, k)));
}
// Format-specific
baton->jpegQuality = sharp::AttrAsUint32(options, "jpegQuality");
baton->jpegProgressive = sharp::AttrAsBool(options, "jpegProgressive");