| /* |
| * Copyright (C) 2011-2022 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 "Filter.h" |
| #include "IntRectExtent.h" |
| |
| namespace WebCore { |
| |
| class FilterOperations; |
| class RenderElement; |
| class SourceGraphic; |
| |
| class CSSFilter final : public Filter { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| static RefPtr<CSSFilter> create(RenderElement&, const FilterOperations&, RenderingMode, const FloatSize& filterScale, ClipOperation, const FloatRect& targetBoundingBox); |
| WEBCORE_EXPORT static RefPtr<CSSFilter> create(Vector<Ref<FilterFunction>>&&); |
| |
| const Vector<Ref<FilterFunction>>& functions() const { return m_functions; } |
| |
| void setFilterRegion(const FloatRect&); |
| |
| bool hasFilterThatMovesPixels() const { return m_hasFilterThatMovesPixels; } |
| bool hasFilterThatShouldBeRestrictedBySecurityOrigin() const { return m_hasFilterThatShouldBeRestrictedBySecurityOrigin; } |
| |
| FilterEffectVector effectsOfType(FilterFunction::Type) const final; |
| |
| IntOutsets outsets() const final; |
| |
| RefPtr<FilterImage> apply(FilterImage* sourceImage, FilterResults&) final; |
| |
| private: |
| CSSFilter(RenderingMode, const FloatSize& filterScale, ClipOperation, bool hasFilterThatMovesPixels, bool hasFilterThatShouldBeRestrictedBySecurityOrigin); |
| CSSFilter(Vector<Ref<FilterFunction>>&&); |
| |
| bool buildFilterFunctions(RenderElement&, const FilterOperations&, const FloatRect& targetBoundingBox); |
| |
| bool supportsAcceleratedRendering() const final; |
| |
| WTF::TextStream& externalRepresentation(WTF::TextStream&, FilterRepresentation) const final; |
| |
| bool m_hasFilterThatMovesPixels { false }; |
| bool m_hasFilterThatShouldBeRestrictedBySecurityOrigin { false }; |
| |
| Vector<Ref<FilterFunction>> m_functions; |
| |
| mutable IntOutsets m_outsets; |
| }; |
| |
| } // namespace WebCore |
| |
| SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::CSSFilter) |
| static bool isType(const WebCore::Filter& filter) { return filter.isCSSFilter(); } |
| SPECIALIZE_TYPE_TRAITS_END() |