DisplayBoxRareGeometry.h   [plain text]

/*
 * Copyright (C) 2020 Apple Inc. All rights reserved.
 *
 * 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
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 * 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. AND ITS CONTRIBUTORS ``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 ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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#pragma once

#if ENABLE(LAYOUT_FORMATTING_CONTEXT)

#include "FloatRoundedRect.h"
#include "TransformationMatrix.h"
#include <wtf/IsoMalloc.h>

namespace WebCore {

namespace Display {

// Storage for box geometry which is only used on boxes with rare style, like transforms or border-radius.
class BoxRareGeometry {
    WTF_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(BoxRareGeometry);
public:

    const FloatRoundedRect::Radii* borderRadii() const { return m_borderRadii.get(); }
    void setBorderRadii(std::unique_ptr<FloatRoundedRect::Radii>&& radii) { m_borderRadii = WTFMove(radii); }

    bool hasBorderRadius() const;

    // From transform, translate, rotate, scale properties.
    const TransformationMatrix& transform() const { return m_transform; }
    void setTransform(TransformationMatrix&& transform) { m_transform = WTFMove(transform); }

private:
    TransformationMatrix m_transform;
    std::unique_ptr<FloatRoundedRect::Radii> m_borderRadii;
};

FloatRoundedRect roundedRectWithIncludedRadii(const FloatRect&, const FloatRoundedRect::Radii&, bool includeLeftEdge = true, bool includeRightEdge = true);
FloatRoundedRect roundedInsetBorderForRect(const FloatRect&, const FloatRoundedRect::Radii&, const RectEdges<float>&, bool includeLeftEdge = true, bool includeRightEdge = true);


} // namespace Display
} // namespace WebCore


#endif // ENABLE(LAYOUT_FORMATTING_CONTEXT)