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LibGfx+Ladybird+Userland: Don't sniff for TGA images with only raw bytes

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Because TGA images don't have magic bytes as a signature to be detected,
instead assume a sequence of ReadonlyBytes is a possible TGA image only
if we are given a path so we could check the extension of the file and
see if it's a TGA image.

When we know the path of the file being loaded, we will try to first
check its extension, and only if there's no match to a known decoder,
based on simple extension lookup, then we would probe for other formats
as usual with the normal sniffing method.
This commit is contained in:
Liav A 2023-01-15 21:50:32 +02:00 • committed by Jelle Raaijmakers
parent 9f2d4d3fd5
commit 649f78d0a4
13 changed files with 162 additions and 67 deletions
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2
Userland/Libraries/LibGUI/ImageWidget.cpp
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@ -76,7 +76,7 @@ void ImageWidget::load_from_file(StringView path)
return;
auto& mapped_file = *file_or_error.value();
m_image_decoder = Gfx::ImageDecoder::try_create(mapped_file.bytes());
m_image_decoder = Gfx::ImageDecoder::try_create_for_raw_bytes_with_known_path(path, mapped_file.bytes());
VERIFY(m_image_decoder);
auto frame = m_image_decoder->frame(0).release_value_but_fixme_should_propagate_errors();