| /* |
| * Copyright (C) 2016-2022 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. ``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 |
| * 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 |
| |
| #include "DecomposedGlyphs.h" |
| #include "DisplayListItemBuffer.h" |
| #include "DisplayListItemType.h" |
| #include "DisplayListResourceHeap.h" |
| #include "FloatRect.h" |
| #include "Font.h" |
| #include "GraphicsContext.h" |
| #include "ImageBuffer.h" |
| #include <wtf/FastMalloc.h> |
| #include <wtf/HashSet.h> |
| #include <wtf/Noncopyable.h> |
| #include <wtf/Vector.h> |
| #include <wtf/text/WTFString.h> |
| |
| namespace WTF { |
| class TextStream; |
| } |
| |
| namespace WebCore { |
| |
| namespace DisplayList { |
| |
| class DisplayList { |
| WTF_MAKE_NONCOPYABLE(DisplayList); WTF_MAKE_FAST_ALLOCATED; |
| friend class RecorderImpl; |
| friend class Replayer; |
| public: |
| WEBCORE_EXPORT DisplayList(); |
| WEBCORE_EXPORT DisplayList(DisplayList&&); |
| WEBCORE_EXPORT DisplayList(ItemBufferHandles&&); |
| |
| WEBCORE_EXPORT ~DisplayList(); |
| |
| WEBCORE_EXPORT DisplayList& operator=(DisplayList&&); |
| |
| void dump(WTF::TextStream&) const; |
| |
| WEBCORE_EXPORT void clear(); |
| WEBCORE_EXPORT bool isEmpty() const; |
| WEBCORE_EXPORT size_t sizeInBytes() const; |
| |
| String asText(OptionSet<AsTextFlag>) const; |
| |
| const ResourceHeap& resourceHeap() const { return m_resourceHeap; } |
| |
| WEBCORE_EXPORT void setItemBufferReadingClient(ItemBufferReadingClient*); |
| WEBCORE_EXPORT void setItemBufferWritingClient(ItemBufferWritingClient*); |
| WEBCORE_EXPORT void prepareToAppend(ItemBufferHandle&&); |
| |
| void shrinkToFit(); |
| |
| #if !defined(NDEBUG) || !LOG_DISABLED |
| CString description() const; |
| WEBCORE_EXPORT void dump() const; |
| #endif |
| |
| WEBCORE_EXPORT void forEachItemBuffer(Function<void(const ItemBufferHandle&)>&&) const; |
| |
| template<typename T, class... Args> void append(Args&&... args); |
| void append(ItemHandle); |
| |
| bool tracksDrawingItemExtents() const { return m_tracksDrawingItemExtents; } |
| WEBCORE_EXPORT void setTracksDrawingItemExtents(bool); |
| |
| class Iterator; |
| |
| WEBCORE_EXPORT Iterator begin() const; |
| WEBCORE_EXPORT Iterator end() const; |
| |
| private: |
| ItemBuffer* itemBufferIfExists() const { return m_items.get(); } |
| WEBCORE_EXPORT ItemBuffer& itemBuffer(); |
| |
| void addDrawingItemExtent(std::optional<FloatRect>&& extent) |
| { |
| ASSERT(m_tracksDrawingItemExtents); |
| m_drawingItemExtents.append(WTFMove(extent)); |
| } |
| |
| void cacheImageBuffer(WebCore::ImageBuffer& imageBuffer) |
| { |
| m_resourceHeap.add(imageBuffer.renderingResourceIdentifier(), Ref { imageBuffer }); |
| } |
| |
| void cacheNativeImage(NativeImage& image) |
| { |
| m_resourceHeap.add(image.renderingResourceIdentifier(), Ref { image }); |
| } |
| |
| void cacheFont(Font& font) |
| { |
| m_resourceHeap.add(font.renderingResourceIdentifier(), Ref { font }); |
| } |
| |
| void cacheDecomposedGlyphs(WebCore::DecomposedGlyphs& decomposedGlyphs) |
| { |
| m_resourceHeap.add(decomposedGlyphs.renderingResourceIdentifier(), Ref { decomposedGlyphs }); |
| } |
| |
| static bool shouldDumpForFlags(OptionSet<AsTextFlag>, ItemHandle); |
| |
| LocalResourceHeap m_resourceHeap; |
| std::unique_ptr<ItemBuffer> m_items; |
| Vector<std::optional<FloatRect>> m_drawingItemExtents; |
| bool m_tracksDrawingItemExtents { true }; |
| }; |
| |
| template<typename T, class... Args> |
| void DisplayList::append(Args&&... args) |
| { |
| itemBuffer().append<T>(std::forward<Args>(args)...); |
| } |
| |
| WTF::TextStream& operator<<(WTF::TextStream&, const DisplayList&); |
| |
| } // DisplayList |
| |
| } // WebCore |