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icc: Print every TagData object only once

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When several tags refer to the same TagData object, we now only print
it the first time, and print "(see 'foob' above)" the following times,
where `foob` is the tag identifier where we printed it the first time.
This commit is contained in:
Nico Weber 2023-01-23 19:34:48 -05:00 • committed by Linus Groh
parent 81cc64f29c
commit 95992a255e
1 changed files with 11 additions and 1 deletions
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12
Userland/Utilities/icc.cpp
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@ -91,9 +91,19 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
outln("");
outln("tags:");
profile->for_each_tag([](auto tag_signature, auto tag_data) {
HashMap<Gfx::ICC::TagData*, Gfx::ICC::TagSignature> tag_data_to_first_signature;
profile->for_each_tag([&tag_data_to_first_signature](auto tag_signature, auto tag_data) {
outln("{}: {}, offset {}, size {}", tag_signature, tag_data->type(), tag_data->offset(), tag_data->size());
// Print tag data only the first time it's seen.
// (Different sigatures can refer to the same data.)
auto it = tag_data_to_first_signature.find(tag_data);
if (it != tag_data_to_first_signature.end()) {
outln(" (see {} above)", it->value);
return;
}
tag_data_to_first_signature.set(tag_data, tag_signature);
if (tag_data->type() == Gfx::ICC::CurveTagData::Type) {
auto& curve = static_cast<Gfx::ICC::CurveTagData&>(*tag_data);
if (curve.values().is_empty()) {