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LibWeb: Add DOMMatrix translate

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Bastiaan van der Plaat 2023-09-03 12:43:09 +02:00 • committed by Andreas Kling
parent 61c063f7b3
commit 5cd35b633a
8 changed files with 49 additions and 2 deletions
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14
Userland/Libraries/LibWeb/Geometry/DOMMatrix.cpp
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@ -293,6 +293,20 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<DOMMatrix>> DOMMatrix::pre_multiply_self(DO
return JS::NonnullGCPtr<DOMMatrix>(*this);
}
// https://drafts.fxtf.org/geometry/#dom-dommatrix-translateself
JS::NonnullGCPtr<DOMMatrix> DOMMatrix::translate_self(Optional<double> tx, Optional<double> ty, Optional<double> tz)
{
// 1. Post-multiply a translation transformation on the current matrix. The 3D translation matrix is described in CSS Transforms.
m_matrix = m_matrix * Gfx::translation_matrix(Vector3<double> { tx.value_or(0), ty.value_or(0), tz.value_or(0) });
// 2. If tz is specified and not 0 or -0, set is 2D of the current matrix to false.
if (tz.has_value() && (tz != 0 || tz != -0))
m_is_2d = false;
// 3. Return the current matrix.
return *this;
}
// https://drafts.fxtf.org/geometry/#dom-dommatrix-invertself
JS::NonnullGCPtr<DOMMatrix> DOMMatrix::invert_self()
{