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LibWeb: Add DOMMatrix scale and scale3d

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Bastiaan van der Plaat 2023-09-07 21:27:34 +02:00 • committed by Andrew Kaster
parent 67f6a9ee12
commit 42c2a67c83
8 changed files with 125 additions and 5 deletions
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37
Userland/Libraries/LibWeb/Geometry/DOMMatrixReadOnly.cpp
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@ -270,6 +270,43 @@ JS::NonnullGCPtr<DOMMatrix> DOMMatrixReadOnly::translate(Optional<double> const&
return result->translate_self(tx, ty, tz);
}
// https://drafts.fxtf.org/geometry/#dom-dommatrixreadonly-scale
JS::NonnullGCPtr<DOMMatrix> DOMMatrixReadOnly::scale(Optional<double> scale_x, Optional<double> scale_y, Optional<double> scale_z, Optional<double> origin_x, Optional<double> origin_y, Optional<double> origin_z)
{
// 1. If scaleY is missing, set scaleY to the value of scaleX.
if (!scale_y.has_value())
scale_y = scale_x;
// 2. Let result be the resulting matrix initialized to the values of the current matrix.
auto result = DOMMatrix::create_from_dom_matrix_read_only(realm(), *this);
// 3. Perform a scaleSelf() transformation on result with the arguments scaleX, scaleY, scaleZ, originX, originY, originZ.
// 4. Return result.
return result->scale_self(scale_x, scale_y, scale_z, origin_x, origin_y, origin_z);
}
// https://drafts.fxtf.org/geometry/#dom-dommatrixreadonly-scalenonuniform
JS::NonnullGCPtr<DOMMatrix> DOMMatrixReadOnly::scale_non_uniform(Optional<double> scale_x, Optional<double> scale_y)
{
// 1. Let result be the resulting matrix initialized to the values of the current matrix.
auto result = DOMMatrix::create_from_dom_matrix_read_only(realm(), *this);
// 2. Perform a scaleSelf() transformation on result with the arguments scaleX, scaleY, 1, 0, 0, 0.
// 3. Return result.
return result->scale_self(scale_x, scale_y, 1, 0, 0, 0);
}
// https://drafts.fxtf.org/geometry/#dom-dommatrixreadonly-scale3d
JS::NonnullGCPtr<DOMMatrix> DOMMatrixReadOnly::scale3d(Optional<double> scale, Optional<double> origin_x, Optional<double> origin_y, Optional<double> origin_z)
{
// 1. Let result be the resulting matrix initialized to the values of the current matrix.
auto result = DOMMatrix::create_from_dom_matrix_read_only(realm(), *this);
// 2. Perform a scale3dSelf() transformation on result with the arguments scale, originX, originY, originZ.
// 3. Return result.
return result->scale3d_self(scale, origin_x, origin_y, origin_z);
}
// https://drafts.fxtf.org/geometry/#dom-dommatrixreadonly-skewx
JS::NonnullGCPtr<DOMMatrix> DOMMatrixReadOnly::skew_x(double sx) const
{