| /* |
| * Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
| * (C) 2000 Antti Koivisto (koivisto@kde.org) |
| * (C) 2000 Dirk Mueller (mueller@kde.org) |
| * Copyright (C) 2003-2017 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #pragma once |
| |
| #include "DataRef.h" |
| #include "LengthBox.h" |
| #include "StyleImage.h" |
| #include <wtf/Vector.h> |
| |
| namespace WebCore { |
| |
| class LayoutSize; |
| class LayoutRect; |
| class RenderStyle; |
| |
| enum ENinePieceImageRule { StretchImageRule, RoundImageRule, SpaceImageRule, RepeatImageRule }; |
| |
| enum ImagePiece { |
| MinPiece = 0, |
| TopLeftPiece = MinPiece, |
| LeftPiece, |
| BottomLeftPiece, |
| TopRightPiece, |
| RightPiece, |
| BottomRightPiece, |
| TopPiece, |
| BottomPiece, |
| MiddlePiece, |
| MaxPiece |
| }; |
| |
| inline ImagePiece& operator++(ImagePiece& piece) |
| { |
| piece = static_cast<ImagePiece>(static_cast<int>(piece) + 1); |
| return piece; |
| } |
| |
| inline bool isCornerPiece(ImagePiece piece) |
| { |
| return piece == TopLeftPiece || piece == TopRightPiece || piece == BottomLeftPiece || piece == BottomRightPiece; |
| } |
| |
| inline bool isMiddlePiece(ImagePiece piece) |
| { |
| return piece == MiddlePiece; |
| } |
| |
| inline bool isHorizontalPiece(ImagePiece piece) |
| { |
| return piece == TopPiece || piece == BottomPiece || piece == MiddlePiece; |
| } |
| |
| inline bool isVerticalPiece(ImagePiece piece) |
| { |
| return piece == LeftPiece || piece == RightPiece || piece == MiddlePiece; |
| } |
| |
| inline std::optional<PhysicalBoxSide> imagePieceHorizontalSide(ImagePiece piece) |
| { |
| if (piece == TopLeftPiece || piece == TopPiece || piece == TopRightPiece) |
| return PhysicalBoxSide::Top; |
| |
| if (piece == BottomLeftPiece || piece == BottomPiece || piece == BottomRightPiece) |
| return PhysicalBoxSide::Bottom; |
| |
| return std::nullopt; |
| } |
| |
| inline std::optional<PhysicalBoxSide> imagePieceVerticalSide(ImagePiece piece) |
| { |
| if (piece == TopLeftPiece || piece == LeftPiece || piece == BottomLeftPiece) |
| return PhysicalBoxSide::Left; |
| |
| if (piece == TopRightPiece || piece == RightPiece || piece == BottomRightPiece) |
| return PhysicalBoxSide::Right; |
| |
| return std::nullopt; |
| } |
| |
| class NinePieceImage { |
| public: |
| NinePieceImage(); |
| NinePieceImage(RefPtr<StyleImage>&&, LengthBox imageSlices, bool fill, LengthBox borderSlices, LengthBox outset, ENinePieceImageRule horizontalRule, ENinePieceImageRule verticalRule); |
| |
| bool operator==(const NinePieceImage& other) const { return m_data == other.m_data; } |
| bool operator!=(const NinePieceImage& other) const { return m_data != other.m_data; } |
| |
| bool hasImage() const { return m_data->image; } |
| StyleImage* image() const { return m_data->image.get(); } |
| void setImage(RefPtr<StyleImage>&& image) { m_data.access().image = WTFMove(image); } |
| |
| const LengthBox& imageSlices() const { return m_data->imageSlices; } |
| void setImageSlices(LengthBox slices) { m_data.access().imageSlices = WTFMove(slices); } |
| |
| bool fill() const { return m_data->fill; } |
| void setFill(bool fill) { m_data.access().fill = fill; } |
| |
| const LengthBox& borderSlices() const { return m_data->borderSlices; } |
| void setBorderSlices(LengthBox slices) { m_data.access().borderSlices = WTFMove(slices); } |
| |
| const LengthBox& outset() const { return m_data->outset; } |
| void setOutset(LengthBox outset) { m_data.access().outset = WTFMove(outset); } |
| |
| ENinePieceImageRule horizontalRule() const { return static_cast<ENinePieceImageRule>(m_data->horizontalRule); } |
| void setHorizontalRule(ENinePieceImageRule rule) { m_data.access().horizontalRule = rule; } |
| |
| ENinePieceImageRule verticalRule() const { return static_cast<ENinePieceImageRule>(m_data->verticalRule); } |
| void setVerticalRule(ENinePieceImageRule rule) { m_data.access().verticalRule = rule; } |
| |
| void copyImageSlicesFrom(const NinePieceImage& other) |
| { |
| m_data.access().imageSlices = other.m_data->imageSlices; |
| m_data.access().fill = other.m_data->fill; |
| } |
| |
| void copyBorderSlicesFrom(const NinePieceImage& other) |
| { |
| m_data.access().borderSlices = other.m_data->borderSlices; |
| } |
| |
| void copyOutsetFrom(const NinePieceImage& other) |
| { |
| m_data.access().outset = other.m_data->outset; |
| } |
| |
| void copyRepeatFrom(const NinePieceImage& other) |
| { |
| m_data.access().horizontalRule = other.m_data->horizontalRule; |
| m_data.access().verticalRule = other.m_data->verticalRule; |
| } |
| |
| void setMaskDefaults() |
| { |
| m_data.access().imageSlices = LengthBox(0); |
| m_data.access().fill = true; |
| m_data.access().borderSlices = LengthBox(); |
| } |
| |
| static LayoutUnit computeOutset(const Length& outsetSide, LayoutUnit borderSide) |
| { |
| if (outsetSide.isRelative()) |
| return outsetSide.value() * borderSide; |
| return outsetSide.value(); |
| } |
| |
| static LayoutUnit computeSlice(Length, LayoutUnit width, LayoutUnit slice, LayoutUnit extent); |
| static LayoutBoxExtent computeSlices(const LayoutSize&, const LengthBox& lengths, int scaleFactor); |
| static LayoutBoxExtent computeSlices(const LayoutSize&, const LengthBox& lengths, const FloatBoxExtent& widths, const LayoutBoxExtent& slices); |
| |
| static bool isEmptyPieceRect(ImagePiece, const LayoutBoxExtent& slices); |
| static bool isEmptyPieceRect(ImagePiece, const Vector<FloatRect>& destinationRects, const Vector<FloatRect>& sourceRects); |
| |
| static Vector<FloatRect> computeNineRects(const FloatRect& outer, const LayoutBoxExtent& slices, float deviceScaleFactor); |
| |
| static void scaleSlicesIfNeeded(const LayoutSize&, LayoutBoxExtent& slices, float deviceScaleFactor); |
| |
| static FloatSize computeSideTileScale(ImagePiece, const Vector<FloatRect>& destinationRects, const Vector<FloatRect>& sourceRects); |
| static FloatSize computeMiddleTileScale(const Vector<FloatSize>& scales, const Vector<FloatRect>& destinationRects, const Vector<FloatRect>& sourceRects, ENinePieceImageRule hRule, ENinePieceImageRule vRule); |
| static Vector<FloatSize> computeTileScales(const Vector<FloatRect>& destinationRects, const Vector<FloatRect>& sourceRects, ENinePieceImageRule hRule, ENinePieceImageRule vRule); |
| |
| void paint(GraphicsContext&, RenderElement*, const RenderStyle&, const LayoutRect& destination, const LayoutSize& source, float deviceScaleFactor, CompositeOperator) const; |
| |
| private: |
| struct Data : RefCounted<Data> { |
| static Ref<Data> create(); |
| static Ref<Data> create(RefPtr<StyleImage>&&, LengthBox imageSlices, bool fill, LengthBox borderSlices, LengthBox outset, ENinePieceImageRule horizontalRule, ENinePieceImageRule verticalRule); |
| Ref<Data> copy() const; |
| |
| bool operator==(const Data&) const; |
| bool operator!=(const Data& other) const { return !(*this == other); } |
| |
| bool fill : 1; |
| unsigned horizontalRule : 2; // ENinePieceImageRule |
| unsigned verticalRule : 2; // ENinePieceImageRule |
| RefPtr<StyleImage> image; |
| LengthBox imageSlices { { 100, Percent }, { 100, Percent }, { 100, Percent }, { 100, Percent } }; |
| LengthBox borderSlices { { 1, Relative }, { 1, Relative }, { 1, Relative }, { 1, Relative } }; |
| LengthBox outset { 0 }; |
| |
| private: |
| Data(); |
| Data(RefPtr<StyleImage>&&, LengthBox imageSlices, bool fill, LengthBox borderSlices, LengthBox outset, ENinePieceImageRule horizontalRule, ENinePieceImageRule verticalRule); |
| Data(const Data&); |
| }; |
| |
| static DataRef<Data>& defaultData(); |
| |
| DataRef<Data> m_data; |
| }; |
| |
| WTF::TextStream& operator<<(WTF::TextStream&, const NinePieceImage&); |
| |
| } // namespace WebCore |