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LibWeb: Simplify calculation of the SVG viewbox transform

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We don't need to construct a new AffineTransform and multiply that by
yet another AffineTransform; we can simply translate and scale the
transform that's already in place. No functional changes.
This commit is contained in:
Jelle Raaijmakers 2025-10-26 12:21:59 +01:00 committed by Jelle Raaijmakers
parent 6f50c35d68
commit beb1d60714
1 changed files with 4 additions and 4 deletions
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8
Libraries/LibWeb/Layout/SVGFormattingContext.cpp
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@ -235,10 +235,10 @@ void SVGFormattingContext::run(AvailableSpace const& available_space)
auto viewbox_offset_and_scale = scale_and_align_viewbox_content(preserve_aspect_ratio, *active_view_box, { scale_width, scale_height }, svg_box_state);
CSSPixelPoint offset = viewbox_offset_and_scale.offset;
m_current_viewbox_transform = Gfx::AffineTransform { m_current_viewbox_transform }.multiply(Gfx::AffineTransform {}
.translate(offset.to_type<float>())
.scale(viewbox_offset_and_scale.scale_factor_x, viewbox_offset_and_scale.scale_factor_y)
.translate({ -active_view_box->min_x, -active_view_box->min_y }));
m_current_viewbox_transform
.translate(offset.to_type<float>())
.scale(viewbox_offset_and_scale.scale_factor_x, viewbox_offset_and_scale.scale_factor_y)
.translate({ -active_view_box->min_x, -active_view_box->min_y });
}
if (svg_box_state.has_definite_width() && svg_box_state.has_definite_height()) {