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LibWeb: Make new ImageData() use unpremultiplied color data

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This was already the case for `context.createImageData()`, but I forgot
to do the same for `new ImageData()`. Add a regression test for both
cases.
This commit is contained in:
Jelle Raaijmakers 2024-08-20 13:23:20 +02:00 • committed by Andreas Kling
commit e926b4cbfb
Notes: github-actions[bot] 2024-08-20 18:39:59 +00:00
3 changed files with 32 additions and 1 deletions
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2
Userland/Libraries/LibWeb/HTML/ImageData.cpp
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@ -74,7 +74,7 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<ImageData>> ImageData::create(JS::Realm& re
return WebIDL::IndexSizeError::create(realm, "Source height must be equal to the calculated height of the data."_fly_string);
// 7. Initialize this given sw, sh, settings set to settings, and source set to data.
auto bitmap = TRY_OR_THROW_OOM(vm, Gfx::Bitmap::create_wrapper(Gfx::BitmapFormat::RGBA8888, Gfx::AlphaType::Premultiplied, Gfx::IntSize(sw, height), sw * sizeof(u32), uint8_clamped_array_data.data().data()));
auto bitmap = TRY_OR_THROW_OOM(vm, Gfx::Bitmap::create_wrapper(Gfx::BitmapFormat::RGBA8888, Gfx::AlphaType::Unpremultiplied, Gfx::IntSize(sw, height), sw * sizeof(u32), uint8_clamped_array_data.data().data()));
return realm.heap().allocate<ImageData>(realm, realm, bitmap, uint8_clamped_array_data);
}