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/*
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "StyleSVGStrokeDasharray.h"
#include "AnimationUtilities.h"
#include "CSSPrimitiveValue.h"
#include "StyleBuilderChecking.h"
#include "StyleLengthWrapper+Blending.h"
#include "StyleLengthWrapper+CSSValueConversion.h"
#include "StylePrimitiveNumericTypes+Blending.h"
#include "StylePrimitiveNumericTypes+CSSValueConversion.h"
namespace WebCore {
namespace Style {
using namespace CSS::Literals;
// MARK: - Conversion
auto CSSValueConversion<SVGStrokeDasharrayValue>::operator()(BuilderState& state, const CSSValue& value) -> SVGStrokeDasharrayValue
{
RefPtr primitiveValue = requiredDowncast<CSSPrimitiveValue>(state, value);
if (!primitiveValue)
return 0_css_px;
if (primitiveValue->isNumberOrInteger()) {
return SVGStrokeDasharrayValueLength { SVGStrokeDasharrayValueLength::Fixed {
toStyleFromCSSValue<Number<CSS::All, float>>(state, *primitiveValue).value
} };
}
return toStyleFromCSSValue<SVGStrokeDasharrayValueLength>(state, *primitiveValue);
}
// MARK: - Blending
auto Blending<SVGStrokeDasharray>::blend(const SVGStrokeDasharray& a, const SVGStrokeDasharray& b, const BlendingContext& context) -> SVGStrokeDasharray
{
auto aLength = a.size();
auto bLength = b.size();
if (!aLength || !bLength)
return context.progress < 0.5 ? a : b;
auto resultLength = aLength;
if (aLength != bLength) {
if (!remainder(std::max(aLength, bLength), std::min(aLength, bLength)))
resultLength = std::max(aLength, bLength);
else
resultLength = aLength * bLength;
}
return SVGStrokeDasharrayList::createWithSizeFromGenerator(resultLength, [&](auto i) {
return Style::blend(a[i % aLength], b[i % bLength], context);
});
}
} // namespace Style
} // namespace WebCore
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