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/*
* Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
* Copyright (C) 2025 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 "RenderStyleConstants.h"
#include <wtf/OptionSet.h>
#include <wtf/TypeCasts.h>
#include <wtf/WeakHashSet.h>
namespace WebCore {
enum RenderSVGResourceType {
MaskerResourceType,
MarkerResourceType,
PatternResourceType,
LinearGradientResourceType,
RadialGradientResourceType,
SolidColorResourceType,
FilterResourceType,
ClipperResourceType
};
// If this enum changes change the unsigned bitfields using it.
enum class RenderSVGResourceMode {
ApplyToFill = 1 << 0,
ApplyToStroke = 1 << 1,
ApplyToText = 1 << 2 // used in combination with ApplyTo{Fill|Stroke}Mode
};
enum class RepaintRectCalculation : bool;
class Color;
class FloatRect;
class GraphicsContext;
class LegacyRenderSVGResourceSolidColor;
class Path;
class RenderElement;
class RenderObject;
class RenderStyle;
class LegacyRenderSVGResource {
public:
LegacyRenderSVGResource() = default;
virtual ~LegacyRenderSVGResource() = default;
void removeAllClientsFromCache(bool markForInvalidation = true);
virtual void removeAllClientsFromCacheIfNeeded(bool markForInvalidation, SingleThreadWeakHashSet<RenderObject>* visitedRenderers) = 0;
virtual void removeClientFromCache(RenderElement&, bool markForInvalidation = true) = 0;
enum class ApplyResult : uint8_t {
ResourceApplied = 1 << 0,
ClipContainsRendererContent = 1 << 1
};
virtual OptionSet<ApplyResult> applyResource(RenderElement&, const RenderStyle&, GraphicsContext*&, OptionSet<RenderSVGResourceMode>) = 0;
virtual void postApplyResource(RenderElement&, GraphicsContext*&, OptionSet<RenderSVGResourceMode>, const Path*, const RenderElement* /* shape */) { }
virtual FloatRect resourceBoundingBox(const RenderObject&, RepaintRectCalculation) = 0;
virtual RenderSVGResourceType resourceType() const = 0;
// Helper utilities used in the render tree to access resources used for painting shapes/text (gradients & patterns & solid colors only)
static LegacyRenderSVGResource* fillPaintingResource(RenderElement&, const RenderStyle&, Color& fallbackColor);
static LegacyRenderSVGResource* strokePaintingResource(RenderElement&, const RenderStyle&, Color& fallbackColor);
static LegacyRenderSVGResourceSolidColor* sharedSolidPaintingResource();
static void markForLayoutAndParentResourceInvalidation(RenderObject&, bool needsLayout = true);
static void markForLayoutAndParentResourceInvalidationIfNeeded(RenderObject&, bool needsLayout, SingleThreadWeakHashSet<RenderObject>* visitedRenderers);
static void fillAndStrokePathOrShape(GraphicsContext&, OptionSet<RenderSVGResourceMode>, const Path*, const RenderElement* shape);
};
constexpr bool resourceWasApplied(OptionSet<LegacyRenderSVGResource::ApplyResult> result)
{
return result.contains(LegacyRenderSVGResource::ApplyResult::ResourceApplied);
}
} // namespace WebCore
#define SPECIALIZE_TYPE_TRAITS_LEGACY_RENDER_SVG_RESOURCE(ToValueTypeName, ResourceType) \
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::ToValueTypeName) \
static bool isType(const WebCore::LegacyRenderSVGResource& resource) { return resource.resourceType() == WebCore::ResourceType; } \
SPECIALIZE_TYPE_TRAITS_END()
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