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b3e32445d3
I've also renamed the `m_type` and `type()` members to be `m_unit` and `unit()` instead, to match what they actually are.
91 lines
3.2 KiB
C++
91 lines
3.2 KiB
C++
/*
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* Copyright (c) 2022, Tim Flynn <trflynn89@serenityos.org>
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* Copyright (c) 2025, Jelle Raaijmakers <jelle@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/Bindings/SVGLengthPrototype.h>
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#include <LibWeb/CSS/PercentageOr.h>
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#include <LibWeb/SVG/SVGLength.h>
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namespace Web::SVG {
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GC_DEFINE_ALLOCATOR(SVGLength);
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GC::Ref<SVGLength> SVGLength::create(JS::Realm& realm, u8 unit_type, float value, ReadOnly read_only)
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{
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return realm.create<SVGLength>(realm, unit_type, value, read_only);
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}
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GC::Ref<SVGLength> SVGLength::from_length_percentage(JS::Realm& realm, CSS::LengthPercentage const& length_percentage,
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ReadOnly read_only)
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{
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// FIXME: We can't tell if a CSS::LengthPercentage was a unitless length.
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(void)SVG_LENGTHTYPE_NUMBER;
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if (length_percentage.is_percentage())
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return create(realm, SVG_LENGTHTYPE_PERCENTAGE, length_percentage.percentage().value(), read_only);
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if (length_percentage.is_length())
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return create(
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realm, [&] {
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switch (length_percentage.length().unit()) {
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case CSS::LengthUnit::Em:
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return SVG_LENGTHTYPE_EMS;
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case CSS::LengthUnit::Ex:
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return SVG_LENGTHTYPE_EXS;
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case CSS::LengthUnit::Px:
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return SVG_LENGTHTYPE_PX;
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case CSS::LengthUnit::Cm:
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return SVG_LENGTHTYPE_CM;
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case CSS::LengthUnit::Mm:
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return SVG_LENGTHTYPE_MM;
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case CSS::LengthUnit::In:
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return SVG_LENGTHTYPE_IN;
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case CSS::LengthUnit::Pt:
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return SVG_LENGTHTYPE_PT;
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case CSS::LengthUnit::Pc:
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return SVG_LENGTHTYPE_PC;
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default:
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return SVG_LENGTHTYPE_UNKNOWN;
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}
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}(),
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length_percentage.length().raw_value(), read_only);
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return create(realm, SVG_LENGTHTYPE_UNKNOWN, 0, read_only);
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}
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SVGLength::SVGLength(JS::Realm& realm, u8 unit_type, float value, ReadOnly read_only)
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: PlatformObject(realm)
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, m_value(value)
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, m_unit_type(unit_type)
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, m_read_only(read_only)
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{
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}
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void SVGLength::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(SVGLength);
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Base::initialize(realm);
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}
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SVGLength::~SVGLength() = default;
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// https://svgwg.org/svg2-draft/types.html#__svg__SVGLength__value
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WebIDL::ExceptionOr<void> SVGLength::set_value(float value)
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{
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// 1. If the SVGLength object is read only, then throw a NoModificationAllowedError.
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if (m_read_only == ReadOnly::Yes)
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return WebIDL::NoModificationAllowedError::create(realm(), "Cannot modify value of read-only SVGLength"_utf16);
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// 2. Let value be the value being assigned to value.
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// 3. Set the SVGLength's value to a <number> whose value is value.
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m_value = value;
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m_unit_type = SVG_LENGTHTYPE_NUMBER;
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// FIXME: 4. If the SVGLength reflects the base value of a reflected attribute, reflects a presentation attribute, or
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// reflects an element of the base value of a reflected attribute, then reserialize the reflected attribute.
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return {};
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}
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}
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