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LibGfx: Extract encode_header() function in ICC writing code

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Nico Weber 2023-02-17 15:16:00 -05:00 • committed by Andreas Kling
parent 743b6e8781
commit 026d9ceaf9
1 changed files with 12 additions and 6 deletions
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18
Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp
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@ -11,13 +11,8 @@
namespace Gfx::ICC { namespace Gfx::ICC {
ErrorOr<ByteBuffer> encode(Profile const& profile) static ErrorOr<void> encode_header(ByteBuffer& bytes, Profile const& profile)
{ {
// Leaves enough room for the profile header and the tag table count.
// FIXME: Serialize tag data and write tag table and tag data too.
auto bytes = TRY(ByteBuffer::create_zeroed(sizeof(ICCHeader) + sizeof(u32)));
VERIFY(bytes.size() >= sizeof(ICCHeader)); VERIFY(bytes.size() >= sizeof(ICCHeader));
auto& raw_header = *bit_cast<ICCHeader*>(bytes.data()); auto& raw_header = *bit_cast<ICCHeader*>(bytes.data());
@ -62,6 +57,17 @@ ErrorOr<ByteBuffer> encode(Profile const& profile)
static_assert(sizeof(id.data) == sizeof(raw_header.profile_id)); static_assert(sizeof(id.data) == sizeof(raw_header.profile_id));
memcpy(raw_header.profile_id, id.data, sizeof(id.data)); memcpy(raw_header.profile_id, id.data, sizeof(id.data));
return {};
}
ErrorOr<ByteBuffer> encode(Profile const& profile)
{
// Leaves enough room for the profile header and the tag table count.
// FIXME: Serialize tag data and write tag table and tag data too.
auto bytes = TRY(ByteBuffer::create_zeroed(sizeof(ICCHeader) + sizeof(u32)));
TRY(encode_header(bytes, profile));
return bytes; return bytes;
} }