From b386d5bb14e924b1e31de1545b9a0954994369a0 Mon Sep 17 00:00:00 2001
From: Nico Weber <thakis@chromium.org>
Date: Fri, 22 Mar 2024 15:13:59 -0400
Subject: [PATCH] LibGfx/ISOBMFF: Add JPEG2000ResolutionBox

---
 .../ImageFormats/ISOBMFF/JPEG2000Boxes.cpp    | 20 +++++++++++++++++++
 .../ImageFormats/ISOBMFF/JPEG2000Boxes.h      |  5 +++++
 2 files changed, 25 insertions(+)

diff --git a/Userland/Libraries/LibGfx/ImageFormats/ISOBMFF/JPEG2000Boxes.cpp b/Userland/Libraries/LibGfx/ImageFormats/ISOBMFF/JPEG2000Boxes.cpp
index 122c290f47f..49bb2700fdb 100644
--- a/Userland/Libraries/LibGfx/ImageFormats/ISOBMFF/JPEG2000Boxes.cpp
+++ b/Userland/Libraries/LibGfx/ImageFormats/ISOBMFF/JPEG2000Boxes.cpp
@@ -17,6 +17,8 @@ ErrorOr<void> JPEG2000HeaderBox::read_from_stream(BoxStream& stream)
             return TRY(JPEG2000ColorSpecificationBox::create_from_stream(stream));
         case BoxType::JPEG2000ImageHeaderBox:
             return TRY(JPEG2000ImageHeaderBox::create_from_stream(stream));
+        case BoxType::JPEG2000ResolutionBox:
+            return TRY(JPEG2000ResolutionBox::create_from_stream(stream));
         default:
             return OptionalNone {};
         }
@@ -87,6 +89,24 @@ void JPEG2000ColorSpecificationBox::dump(String const& prepend) const
         outln("{}- icc_data = {} bytes", prepend, icc_data.size());
 }
 
+ErrorOr<void> JPEG2000ResolutionBox::read_from_stream(BoxStream& stream)
+{
+    auto make_subbox = [](BoxType type, BoxStream&) -> ErrorOr<Optional<NonnullOwnPtr<Box>>> {
+        switch (type) {
+        default:
+            return OptionalNone {};
+        }
+    };
+
+    TRY(SuperBox::read_from_stream(stream, move(make_subbox)));
+    return {};
+}
+
+void JPEG2000ResolutionBox::dump(String const& prepend) const
+{
+    SuperBox::dump(prepend);
+}
+
 ErrorOr<void> JPEG2000SignatureBox::read_from_stream(BoxStream& stream)
 {
     signature = TRY(stream.read_value<BigEndian<u32>>());
diff --git a/Userland/Libraries/LibGfx/ImageFormats/ISOBMFF/JPEG2000Boxes.h b/Userland/Libraries/LibGfx/ImageFormats/ISOBMFF/JPEG2000Boxes.h
index 0a625dba10d..f42aa58f5ab 100644
--- a/Userland/Libraries/LibGfx/ImageFormats/ISOBMFF/JPEG2000Boxes.h
+++ b/Userland/Libraries/LibGfx/ImageFormats/ISOBMFF/JPEG2000Boxes.h
@@ -38,6 +38,11 @@ struct JPEG2000ColorSpecificationBox final : public Box {
     ByteBuffer icc_data;              // Only set if method == 2
 };
 
+// I.5.3.7 Resolution box
+struct JPEG2000ResolutionBox final : public SuperBox {
+    BOX_SUBTYPE(JPEG2000ResolutionBox);
+};
+
 struct JPEG2000SignatureBox final : public Box {
     BOX_SUBTYPE(JPEG2000SignatureBox);