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113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
/*
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* Copyright (C) 2012 Adobe Systems Incorporated. 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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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_CORE_RENDERING_CLIPPATHOPERATION_H_
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#define SKY_ENGINE_CORE_RENDERING_CLIPPATHOPERATION_H_
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#include "sky/engine/core/rendering/style/BasicShapes.h"
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#include "sky/engine/platform/graphics/Path.h"
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#include "sky/engine/wtf/OwnPtr.h"
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#include "sky/engine/wtf/PassOwnPtr.h"
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#include "sky/engine/wtf/RefCounted.h"
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#include "sky/engine/wtf/text/WTFString.h"
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namespace blink {
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class ClipPathOperation : public RefCounted<ClipPathOperation> {
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public:
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enum OperationType {
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REFERENCE,
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SHAPE
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};
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virtual ~ClipPathOperation() { }
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virtual bool operator==(const ClipPathOperation&) const = 0;
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bool operator!=(const ClipPathOperation& o) const { return !(*this == o); }
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OperationType type() const { return m_type; }
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bool isSameType(const ClipPathOperation& o) const { return o.type() == m_type; }
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protected:
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ClipPathOperation(OperationType type)
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: m_type(type)
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{
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}
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OperationType m_type;
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};
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class ShapeClipPathOperation final : public ClipPathOperation {
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public:
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static PassRefPtr<ShapeClipPathOperation> create(PassRefPtr<BasicShape> shape)
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{
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return adoptRef(new ShapeClipPathOperation(shape));
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}
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const BasicShape* basicShape() const { return m_shape.get(); }
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bool isValid() const { return m_shape.get(); }
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WindRule windRule() const { return m_shape->windRule(); }
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const Path& path(const FloatRect& boundingRect)
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{
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ASSERT(m_shape);
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m_path.clear();
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m_path = adoptPtr(new Path);
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m_shape->path(*m_path, boundingRect);
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return *m_path;
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}
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private:
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virtual bool operator==(const ClipPathOperation&) const override;
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ShapeClipPathOperation(PassRefPtr<BasicShape> shape)
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: ClipPathOperation(SHAPE)
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, m_shape(shape)
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{
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}
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RefPtr<BasicShape> m_shape;
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OwnPtr<Path> m_path;
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};
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DEFINE_TYPE_CASTS(ShapeClipPathOperation, ClipPathOperation, op, op->type() == ClipPathOperation::SHAPE, op.type() == ClipPathOperation::SHAPE);
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inline bool ShapeClipPathOperation::operator==(const ClipPathOperation& o) const
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{
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if (!isSameType(o))
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return false;
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BasicShape* otherShape = toShapeClipPathOperation(o).m_shape.get();
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if (!m_shape.get() || !otherShape)
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return static_cast<bool>(m_shape.get()) == static_cast<bool>(otherShape);
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return *m_shape == *otherShape;
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}
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}
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#endif // SKY_ENGINE_CORE_RENDERING_CLIPPATHOPERATION_H_
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