80 lines
3.0 KiB
C++
80 lines
3.0 KiB
C++
/*
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* Copyright (C) 2004-2020 Apple Inc. All rights reserved.
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* Copyright (C) 2007-2008 Torch Mobile, Inc.
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* Copyright (C) 2012 Company 100 Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "Color.h"
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#include "IntSize.h"
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#include "PlatformImage.h"
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#include "RenderingResourceIdentifier.h"
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#include <wtf/HashMap.h>
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#include <wtf/HashSet.h>
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#include <wtf/RefCounted.h>
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#include <wtf/WeakPtr.h>
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namespace WebCore {
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class NativeImage : public RefCounted<NativeImage>, public CanMakeWeakPtr<NativeImage> {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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class Observer {
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public:
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virtual ~Observer() = default;
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virtual void releaseNativeImage(RenderingResourceIdentifier) = 0;
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protected:
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Observer() = default;
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};
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static WEBCORE_EXPORT RefPtr<NativeImage> create(PlatformImagePtr&&, RenderingResourceIdentifier = RenderingResourceIdentifier::generate());
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WEBCORE_EXPORT ~NativeImage();
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const PlatformImagePtr& platformImage() const { return m_platformImage; }
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RenderingResourceIdentifier renderingResourceIdentifier() const { return m_renderingResourceIdentifier; }
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WEBCORE_EXPORT IntSize size() const;
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bool hasAlpha() const;
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Color singlePixelSolidColor() const;
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void addObserver(Observer& observer) { m_observers.add(&observer); }
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void removeObserver(Observer& observer) { m_observers.remove(&observer); }
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void clearSubimages();
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private:
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NativeImage(PlatformImagePtr&&);
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NativeImage(PlatformImagePtr&&, RenderingResourceIdentifier);
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PlatformImagePtr m_platformImage;
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HashSet<Observer*> m_observers;
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RenderingResourceIdentifier m_renderingResourceIdentifier;
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};
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using NativeImageHashMap = HashMap<RenderingResourceIdentifier, Ref<NativeImage>>;
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} // namespace WebCore
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