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LibGfx/DDS: Read the header in create() and remove initialize()

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This is done as a part of #19893.
This commit is contained in:
Lucas CHOLLET 2023-07-11 11:53:02 -04:00 • committed by Sam Atkins
parent aa9470880f
commit 0520490577
2 changed files with 8 additions and 15 deletions
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22
Userland/Libraries/LibGfx/ImageFormats/DDSLoader.cpp
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@ -31,6 +31,7 @@ struct DDSLoadingContext {
enum State {
NotDecoded = 0,
Error,
HeaderDecoded,
BitmapDecoded,
};
@ -465,12 +466,14 @@ static ErrorOr<void> decode_header(DDSLoadingContext& context)
return Error::from_string_literal("Format type is not supported at the moment");
}
context.state = DDSLoadingContext::HeaderDecoded;
return {};
}
static ErrorOr<void> decode_dds(DDSLoadingContext& context)
{
TRY(decode_header(context));
VERIFY(context.state == DDSLoadingContext::HeaderDecoded);
// We support parsing mipmaps, but we only care about the largest one :^) (At least for now)
if (size_t mipmap_level = 0; mipmap_level < max(context.header.mip_map_count, 1u)) {
@ -631,18 +634,7 @@ DDSImageDecoderPlugin::~DDSImageDecoderPlugin() = default;
IntSize DDSImageDecoderPlugin::size()
{
if (m_context->state == DDSLoadingContext::State::Error)
return {};
if (m_context->state == DDSLoadingContext::State::BitmapDecoded)
return { m_context->header.width, m_context->header.height };
return {};
}
ErrorOr<void> DDSImageDecoderPlugin::initialize()
{
return {};
return { m_context->header.width, m_context->header.height };
}
bool DDSImageDecoderPlugin::sniff(ReadonlyBytes data)
@ -658,7 +650,9 @@ bool DDSImageDecoderPlugin::sniff(ReadonlyBytes data)
ErrorOr<NonnullOwnPtr<ImageDecoderPlugin>> DDSImageDecoderPlugin::create(ReadonlyBytes data)
{
FixedMemoryStream stream { data };
return adopt_nonnull_own_or_enomem(new (nothrow) DDSImageDecoderPlugin(move(stream)));
auto plugin = TRY(adopt_nonnull_own_or_enomem(new (nothrow) DDSImageDecoderPlugin(move(stream))));
TRY(decode_header(*plugin->m_context));
return plugin;
}
bool DDSImageDecoderPlugin::is_animated()