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71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#pragma once
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#if !defined(Q_MOC_RUN)
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#include <AzCore/std/containers/unordered_set.h>
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#include <AzCore/std/parallel/binary_semaphore.h>
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#include <AzFramework/Asset/AssetCatalogBus.h>
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#include <AzToolsFramework/Thumbnails/Thumbnail.h>
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#include <AzToolsFramework/Thumbnails/ThumbnailerBus.h>
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#endif
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namespace ImageProcessingAtom
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{
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namespace Thumbnails
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{
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/**
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* Custom image thumbnail that detects when an asset changes and updates the thumbnail
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*/
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class ImageThumbnail
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: public AzToolsFramework::Thumbnailer::Thumbnail
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, public AzToolsFramework::Thumbnailer::ThumbnailerRendererNotificationBus::Handler
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, public AzFramework::AssetCatalogEventBus::Handler
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{
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Q_OBJECT
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public:
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ImageThumbnail(AzToolsFramework::Thumbnailer::SharedThumbnailKey key);
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~ImageThumbnail() override;
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//! AzToolsFramework::ThumbnailerRendererNotificationBus::Handler overrides...
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void ThumbnailRendered(const QPixmap& thumbnailImage) override;
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void ThumbnailFailedToRender() override;
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protected:
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void LoadThread() override;
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private:
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// AzFramework::AssetCatalogEventBus::Handler interface overrides...
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void OnCatalogAssetChanged(const AZ::Data::AssetId& assetId) override;
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AZStd::binary_semaphore m_renderWait;
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AZStd::unordered_set<AZ::Data::AssetId> m_assetIds;
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};
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/**
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* Cache configuration for large image thumbnails
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*/
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class ImageThumbnailCache
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: public AzToolsFramework::Thumbnailer::ThumbnailCache<ImageThumbnail>
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{
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public:
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ImageThumbnailCache();
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~ImageThumbnailCache() override;
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int GetPriority() const override;
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const char* GetProviderName() const override;
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static constexpr const char* ProviderName = "Image Thumbnails";
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protected:
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bool IsSupportedThumbnail(AzToolsFramework::Thumbnailer::SharedThumbnailKey key) const override;
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};
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} // namespace Thumbnails
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} // namespace ImageProcessingAtom
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