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LibWeb/Geometry: Add a method to multiply a DOMMatrix by a DOMMatrix

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This will be needed by CSSTransformValue.
This commit is contained in:
Sam Atkins 2025-09-16 15:43:24 +01:00
parent d3d695e9d2
commit 3269937e6d
2 changed files with 9 additions and 0 deletions
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8
Libraries/LibWeb/Geometry/DOMMatrix.cpp
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@ -399,6 +399,14 @@ WebIDL::ExceptionOr<GC::Ref<DOMMatrix>> DOMMatrix::multiply_self(DOMMatrixInit o
return GC::Ref<DOMMatrix>(*this);
}
WebIDL::ExceptionOr<GC::Ref<DOMMatrix>> DOMMatrix::multiply_self(GC::Ref<DOMMatrix> other)
{
m_matrix = m_matrix * other->m_matrix;
if (!other->m_is_2d)
m_is_2d = false;
return GC::Ref<DOMMatrix>(*this);
}
// https://drafts.fxtf.org/geometry/#dom-dommatrix-premultiplyself
WebIDL::ExceptionOr<GC::Ref<DOMMatrix>> DOMMatrix::pre_multiply_self(DOMMatrixInit other)
{

1
Libraries/LibWeb/Geometry/DOMMatrix.h
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@ -56,6 +56,7 @@ public:
void set_f(double value);
WebIDL::ExceptionOr<GC::Ref<DOMMatrix>> multiply_self(DOMMatrixInit other = {});
WebIDL::ExceptionOr<GC::Ref<DOMMatrix>> multiply_self(GC::Ref<DOMMatrix>);
WebIDL::ExceptionOr<GC::Ref<DOMMatrix>> pre_multiply_self(DOMMatrixInit other = {});
GC::Ref<DOMMatrix> translate_self(Optional<double> tx, Optional<double> ty, Optional<double> tz);
GC::Ref<DOMMatrix> scale_self(Optional<double> scale_x, Optional<double> scale_y, Optional<double> scale_z, Optional<double> origin_x, Optional<double> origin_y, Optional<double> origin_z);