| /* |
| * 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 |
| * 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. 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 |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 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. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(LAYOUT_FORMATTING_CONTEXT) |
| |
| #include "Color.h" |
| #include "DisplayFillLayerImageGeometry.h" |
| #include "FloatRoundedRect.h" |
| #include "RectEdges.h" |
| #include <utility> |
| #include <wtf/IsoMalloc.h> |
| |
| namespace WebCore { |
| |
| class RenderStyle; |
| |
| namespace Layout { |
| class Box; |
| class BoxGeometry; |
| } |
| |
| namespace Display { |
| |
| // Pixel-snapped border edge. |
| class BorderEdge { |
| public: |
| BorderEdge() = default; |
| BorderEdge(float width, float innerWidth, float outerWidth, Color, BorderStyle, bool isTransparent, bool isPresent); |
| |
| float width() const { return m_width; } |
| BorderStyle style() const { return m_style; } |
| const Color& color() const { return m_color; } |
| bool isTransparent() const { return m_isTransparent; } |
| bool isPresent() const { return m_isPresent; } |
| |
| bool hasVisibleColorAndStyle() const { return m_style > BorderStyle::Hidden && !m_isTransparent; } |
| bool shouldRender() const { return widthForPainting() && hasVisibleColorAndStyle(); } |
| bool presentButInvisible() const { return widthForPainting() && !hasVisibleColorAndStyle(); } |
| float widthForPainting() const { return m_isPresent ? m_width : 0; } |
| |
| float innerWidth() const { return m_innerWidth; } |
| float outerWidth() const { return m_outerWidth; } |
| |
| bool obscuresBackground() const; |
| bool obscuresBackgroundEdge(float scale) const; |
| |
| private: |
| Color m_color; |
| float m_width { 0 }; |
| float m_innerWidth { 0 }; // Only used for double borders. |
| float m_outerWidth { 0 }; // Only used for double borders. |
| BorderStyle m_style { BorderStyle::Hidden }; |
| bool m_isTransparent { false }; |
| bool m_isPresent { false }; |
| }; |
| |
| RectEdges<BorderEdge> calculateBorderEdges(const RenderStyle&, float pixelSnappingFactor, bool includeLogicalLeftEdge = true, bool includeLogicalRightEdge = true); |
| |
| std::pair<BoxSide, BoxSide> adjacentSidesForSide(BoxSide); |
| |
| inline RectEdges<float> borderWidths(const RectEdges<BorderEdge>& edges) |
| { |
| return { |
| edges.top().width(), |
| edges.right().width(), |
| edges.bottom().width(), |
| edges.left().width() |
| }; |
| } |
| |
| // Per-box data with pixel-snapped geometry for background images and border-radius. |
| DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(BoxDecorationData); |
| class BoxDecorationData { |
| WTF_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(BoxDecorationData); |
| public: |
| BoxDecorationData(); |
| |
| const Vector<FillLayerImageGeometry, 1> backgroundImageGeometry() const { return m_backgroundImageGeometry; } |
| void setBackgroundImageGeometry(Vector<FillLayerImageGeometry, 1>&& geometry) { m_backgroundImageGeometry = WTFMove(geometry); } |
| |
| const RectEdges<BorderEdge>& borderEdges() const { return m_borderEdges; } |
| void setBorderEdges(RectEdges<BorderEdge>&& edges) { m_borderEdges = WTFMove(edges); } |
| |
| bool hasBorderImage() const { return false; } // FIXME: Implement border-image. |
| bool hasBorder() const; |
| |
| bool borderObscuresBackground() const; |
| bool borderObscuresBackgroundEdge(const FloatSize& contextScale) const; |
| |
| private: |
| Vector<FillLayerImageGeometry, 1> m_backgroundImageGeometry; |
| RectEdges<BorderEdge> m_borderEdges; |
| }; |
| |
| } // namespace Display |
| } // namespace WebCore |
| |
| |
| #endif // ENABLE(LAYOUT_FORMATTING_CONTEXT) |