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Code Issues Projects Releases Packages Wiki Activity Actions 9

LibGfx/ISOBMFF: Implement JPEG2000DefaultDisplayResolutionBox

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Found e.g. in http://opf-labs.org/format-corpus/jp2k-formats/balloon.jpf
This commit is contained in:
Nico Weber 2024-03-25 21:31:31 -04:00 • committed by Tim Flynn
commit b3c423e4ca
Notes: sideshowbarker 2024-07-16 22:26:05 +09:00
2 changed files with 17 additions and 0 deletions
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12
Userland/Libraries/LibGfx/ImageFormats/ISOBMFF/JPEG2000Boxes.cpp
View file

@ -130,6 +130,8 @@ ErrorOr<void> JPEG2000ResolutionBox::read_from_stream(BoxStream& stream)
switch (type) { switch (type) {
case BoxType::JPEG2000CaptureResolutionBox: case BoxType::JPEG2000CaptureResolutionBox:
return TRY(JPEG2000CaptureResolutionBox::create_from_stream(stream)); return TRY(JPEG2000CaptureResolutionBox::create_from_stream(stream));
case BoxType::JPEG2000DefaultDisplayResolutionBox:
return TRY(JPEG2000DefaultDisplayResolutionBox::create_from_stream(stream));
default: default:
return OptionalNone {}; return OptionalNone {};
} }
@ -172,6 +174,16 @@ void JPEG2000CaptureResolutionBox::dump(String const& prepend) const
JPEG2000ResolutionSubboxBase::dump(prepend); JPEG2000ResolutionSubboxBase::dump(prepend);
} }
ErrorOr<void> JPEG2000DefaultDisplayResolutionBox::read_from_stream(BoxStream& stream)
{
return JPEG2000ResolutionSubboxBase::read_from_stream(stream);
}
void JPEG2000DefaultDisplayResolutionBox::dump(String const& prepend) const
{
JPEG2000ResolutionSubboxBase::dump(prepend);
}
ErrorOr<void> JPEG2000ContiguousCodestreamBox::read_from_stream(BoxStream& stream) ErrorOr<void> JPEG2000ContiguousCodestreamBox::read_from_stream(BoxStream& stream)
{ {
// FIXME: It's wasteful to make a copy of all the image data here. Having just a ReadonlyBytes // FIXME: It's wasteful to make a copy of all the image data here. Having just a ReadonlyBytes

5
Userland/Libraries/LibGfx/ImageFormats/ISOBMFF/JPEG2000Boxes.h
View file

@ -72,6 +72,11 @@ struct JPEG2000CaptureResolutionBox final : public JPEG2000ResolutionSubboxBase
BOX_SUBTYPE(JPEG2000CaptureResolutionBox); BOX_SUBTYPE(JPEG2000CaptureResolutionBox);
}; };
// I.5.3.7.2 Default Display Resolution box
struct JPEG2000DefaultDisplayResolutionBox final : public JPEG2000ResolutionSubboxBase {
BOX_SUBTYPE(JPEG2000DefaultDisplayResolutionBox);
};
// I.5.4 Contiguous Codestream box // I.5.4 Contiguous Codestream box
struct JPEG2000ContiguousCodestreamBox final : public Box { struct JPEG2000ContiguousCodestreamBox final : public Box {
BOX_SUBTYPE(JPEG2000ContiguousCodestreamBox); BOX_SUBTYPE(JPEG2000ContiguousCodestreamBox);