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LibGfx: Move ICC::Profile::read_header() out of class

Browse source 
This one is slightly more involved: To make it nice, extract
all the Profile fields that belong to the header into a separate
struct.
This commit is contained in:
Nico Weber 2023-02-14 13:06:01 -05:00 • committed by Andreas Kling
parent 272e5321e3
commit db614b47dd
2 changed files with 59 additions and 56 deletions
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45
Userland/Libraries/LibGfx/ICC/Profile.cpp
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@ -574,33 +574,34 @@ DeviceAttributes::DeviceAttributes(u64 bits)
{
}
ErrorOr<void> Profile::read_header(ReadonlyBytes bytes)
static ErrorOr<ProfileHeader> read_header(ReadonlyBytes bytes)
{
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());
ProfileHeader header;
auto raw_header = *bit_cast<ICCHeader const*>(bytes.data());
TRY(parse_file_signature(header));
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));
TRY(parse_file_signature(raw_header));
header.on_disk_size = TRY(parse_size(raw_header, bytes));
header.preferred_cmm_type = parse_preferred_cmm_type(raw_header);
header.version = TRY(parse_version(raw_header));
header.device_class = TRY(parse_device_class(raw_header));
header.data_color_space = TRY(parse_data_color_space(raw_header));
header.connection_space = TRY(parse_connection_space(raw_header));
header.creation_timestamp = TRY(parse_creation_date_time(raw_header));
header.primary_platform = TRY(parse_primary_platform(raw_header));
header.flags = Flags { raw_header.profile_flags };
header.device_manufacturer = parse_device_manufacturer(raw_header);
header.device_model = parse_device_model(raw_header);
header.device_attributes = TRY(parse_device_attributes(raw_header));
header.rendering_intent = TRY(parse_rendering_intent(raw_header));
header.pcs_illuminant = TRY(parse_pcs_illuminant(raw_header));
header.creator = parse_profile_creator(raw_header);
header.id = TRY(parse_profile_id(raw_header, bytes));
TRY(parse_reserved(raw_header));
return {};
return header;
}
static ErrorOr<NonnullRefPtr<TagData>> read_tag(ReadonlyBytes bytes, u32 offset_to_beginning_of_tag_data_element, u32 size_of_tag_data_element)
@ -1377,7 +1378,7 @@ ErrorOr<void> Profile::check_tag_types()
ErrorOr<NonnullRefPtr<Profile>> Profile::try_load_from_externally_owned_memory(ReadonlyBytes bytes)
{
auto profile = TRY(try_make_ref_counted<Profile>());
TRY(profile->read_header(bytes));
profile->m_header = TRY(read_header(bytes));
bytes = bytes.trim(profile->on_disk_size());
profile->m_tag_table = TRY(read_tag_table(bytes));