186 lines
5.7 KiB
C++
186 lines
5.7 KiB
C++
/*
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* Copyright (C) 2016-2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "DOMMatrix2DInit.h"
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#include "SVGMatrix.h"
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#include "SVGTransformValue.h"
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#include "SVGValueProperty.h"
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namespace WebCore {
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class SVGTransform : public SVGValueProperty<SVGTransformValue>, public SVGPropertyOwner {
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public:
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static Ref<SVGTransform> create(SVGTransformValue::SVGTransformType type)
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{
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return adoptRef(*new SVGTransform(type));
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}
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static Ref<SVGTransform> create(const AffineTransform& transform = { })
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{
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return adoptRef(*new SVGTransform(SVGTransformValue::SVG_TRANSFORM_MATRIX, transform));
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}
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static Ref<SVGTransform> create(const SVGTransformValue& value)
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{
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return adoptRef(*new SVGTransform(value.type(), value.matrix()->value(), value.angle(), value.rotationCenter()));
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}
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template<typename T>
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static ExceptionOr<Ref<SVGTransform>> create(ExceptionOr<T>&& value)
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{
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if (value.hasException())
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return value.releaseException();
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return create(value.releaseReturnValue());
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}
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~SVGTransform()
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{
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m_value.matrix()->detach();
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}
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Ref<SVGTransform> clone() const
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{
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return SVGTransform::create(m_value);
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}
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unsigned short type() { return m_value.type(); }
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float angle() { return m_value.angle(); }
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const Ref<SVGMatrix>& matrix() { return m_value.matrix(); }
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ExceptionOr<void> setMatrix(DOMMatrix2DInit&& matrixInit)
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{
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if (isReadOnly())
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return Exception { NoModificationAllowedError };
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AffineTransform transform;
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if (matrixInit.a)
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transform.setA(matrixInit.a.value());
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if (matrixInit.b)
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transform.setB(matrixInit.b.value());
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if (matrixInit.c)
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transform.setC(matrixInit.c.value());
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if (matrixInit.d)
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transform.setD(matrixInit.d.value());
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if (matrixInit.e)
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transform.setE(matrixInit.e.value());
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if (matrixInit.f)
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transform.setF(matrixInit.f.value());
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m_value.setMatrix(transform);
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commitChange();
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return { };
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}
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ExceptionOr<void> setTranslate(float tx, float ty)
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{
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if (isReadOnly())
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return Exception { NoModificationAllowedError };
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m_value.setTranslate(tx, ty);
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commitChange();
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return { };
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}
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ExceptionOr<void> setScale(float sx, float sy)
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{
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if (isReadOnly())
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return Exception { NoModificationAllowedError };
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m_value.setScale(sx, sy);
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commitChange();
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return { };
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}
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ExceptionOr<void> setRotate(float angle, float cx, float cy)
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{
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if (isReadOnly())
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return Exception { NoModificationAllowedError };
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m_value.setRotate(angle, cx, cy);
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commitChange();
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return { };
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}
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ExceptionOr<void> setSkewX(float angle)
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{
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if (isReadOnly())
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return Exception { NoModificationAllowedError };
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m_value.setSkewX(angle);
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commitChange();
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return { };
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}
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ExceptionOr<void> setSkewY(float angle)
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{
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if (isReadOnly())
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return Exception { NoModificationAllowedError };
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m_value.setSkewY(angle);
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commitChange();
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return { };
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}
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void attach(SVGPropertyOwner* owner, SVGPropertyAccess access) override
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{
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Base::attach(owner, access);
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// Reattach the SVGMatrix to the SVGTransformValue with the new SVGPropertyAccess.
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m_value.matrix()->reattach(this, access);
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}
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void detach() override
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{
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Base::detach();
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// Reattach the SVGMatrix to the SVGTransformValue with the SVGPropertyAccess::ReadWrite.
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m_value.matrix()->reattach(this, access());
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}
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private:
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using Base = SVGValueProperty<SVGTransformValue>;
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SVGTransform(SVGTransformValue::SVGTransformType type, const AffineTransform& transform = { }, float angle = 0, const FloatPoint& rotationCenter = { })
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: Base(SVGTransformValue(type, SVGMatrix::create(this, SVGPropertyAccess::ReadWrite, transform), angle, rotationCenter))
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{
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}
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SVGPropertyOwner* owner() const override { return m_owner; }
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void commitPropertyChange(SVGProperty* property) override
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{
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ASSERT_UNUSED(property, property == m_value.matrix().ptr());
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if (owner())
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owner()->commitPropertyChange(this);
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m_value.matrixDidChange();
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}
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String valueAsString() const override
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{
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return m_value.valueAsString();
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}
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};
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} // namespace WebCore
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