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LibGfx/PortableFormat: Extract header reading in its own function

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This commit is contained in:
Lucas CHOLLET 2023-07-10 16:29:16 -04:00 • committed by Sam Atkins
parent e72293fbc7
commit f6ce06d56b
1 changed files with 12 additions and 5 deletions
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17
Userland/Libraries/LibGfx/ImageFormats/PortableImageLoaderCommon.h
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@ -175,12 +175,9 @@ static ErrorOr<void> create_bitmap(TContext& context)
return {}; return {};
} }
template<typename TContext> template<typename Context>
static ErrorOr<void> decode(TContext& context) static ErrorOr<void> read_header(Context& context)
{ {
if (context.state >= TContext::State::Decoded)
return {};
TRY(read_magic_number(context)); TRY(read_magic_number(context));
TRY(read_whitespace(context)); TRY(read_whitespace(context));
@ -201,6 +198,16 @@ static ErrorOr<void> decode(TContext& context)
TRY(read_whitespace(context)); TRY(read_whitespace(context));
} }
return {};
}
template<typename TContext>
static ErrorOr<void> decode(TContext& context)
{
if (context.state >= TContext::State::Decoded)
return {};
TRY(read_header(context));
TRY(read_image_data(context)); TRY(read_image_data(context));
context.state = TContext::State::Decoded; context.state = TContext::State::Decoded;