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LibGfx: Extract Profile::read_header() function

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This commit is contained in:
Nico Weber 2023-01-18 22:28:10 -05:00 • committed by Linus Groh
parent e5234f582d
commit 5017d8fdcb
2 changed files with 28 additions and 20 deletions
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46
Userland/Libraries/LibGfx/ICCProfile.cpp
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@ -510,35 +510,41 @@ DeviceAttributes::DeviceAttributes(u64 bits)
{
}
ErrorOr<NonnullRefPtr<Profile>> Profile::try_load_from_externally_owned_memory(ReadonlyBytes bytes)
ErrorOr<void> Profile::read_header(ReadonlyBytes bytes)
{
auto profile = adopt_ref(*new Profile());
if (bytes.size() < sizeof(ICCHeader))
return Error::from_string_literal("ICC::Profile: Not enough data for header");
auto header = *bit_cast<ICCHeader const*>(bytes.data());
TRY(parse_file_signature(header));
profile->m_on_disk_size = TRY(parse_size(header, bytes));
profile->m_preferred_cmm_type = parse_preferred_cmm_type(header);
profile->m_version = TRY(parse_version(header));
profile->m_device_class = TRY(parse_device_class(header));
profile->m_data_color_space = TRY(parse_data_color_space(header));
profile->m_connection_space = TRY(parse_connection_space(header));
profile->m_creation_timestamp = TRY(parse_creation_date_time(header));
profile->m_primary_platform = TRY(parse_primary_platform(header));
profile->m_flags = Flags { header.profile_flags };
profile->m_device_manufacturer = parse_device_manufacturer(header);
profile->m_device_model = parse_device_model(header);
profile->m_device_attributes = TRY(parse_device_attributes(header));
profile->m_rendering_intent = TRY(parse_rendering_intent(header));
profile->m_pcs_illuminant = TRY(parse_pcs_illuminant(header));
profile->m_creator = parse_profile_creator(header);
profile->m_id = TRY(parse_profile_id(header, bytes));
m_on_disk_size = TRY(parse_size(header, bytes));
m_preferred_cmm_type = parse_preferred_cmm_type(header);
m_version = TRY(parse_version(header));
m_device_class = TRY(parse_device_class(header));
m_data_color_space = TRY(parse_data_color_space(header));
m_connection_space = TRY(parse_connection_space(header));
m_creation_timestamp = TRY(parse_creation_date_time(header));
m_primary_platform = TRY(parse_primary_platform(header));
m_flags = Flags { header.profile_flags };
m_device_manufacturer = parse_device_manufacturer(header);
m_device_model = parse_device_model(header);
m_device_attributes = TRY(parse_device_attributes(header));
m_rendering_intent = TRY(parse_rendering_intent(header));
m_pcs_illuminant = TRY(parse_pcs_illuminant(header));
m_creator = parse_profile_creator(header);
m_id = TRY(parse_profile_id(header, bytes));
TRY(parse_reserved(header));
bytes = bytes.trim(header.profile_size);
return {};
}
ErrorOr<NonnullRefPtr<Profile>> Profile::try_load_from_externally_owned_memory(ReadonlyBytes bytes)
{
auto profile = adopt_ref(*new Profile());
TRY(profile->read_header(bytes));
bytes = bytes.trim(profile->on_disk_size());
bytes = bytes.slice(sizeof(ICCHeader));
// FIXME: Read tag table.