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o3de/Gems/Atom/Asset/ImageProcessingAtom/Code/Source/Previewer/ImagePreviewer.h

96 lines
3.0 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#pragma once
#if !defined(Q_MOC_RUN)
#include <AzCore/Memory/SystemAllocator.h>
#include <AzCore/Component/TickBus.h>
#include <AzToolsFramework/AssetBrowser/Previewer/Previewer.h>
#include <Atom/ImageProcessing/ImageObject.h>
#include <QWidget>
#include <QScopedPointer>
#include <QFuture>
#include <QtConcurrent/QtConcurrent>
#endif
namespace Ui
{
class ImagePreviewerClass;
}
namespace AzToolsFramework
{
namespace AssetBrowser
{
class ProductAssetBrowserEntry;
class SourceAssetBrowserEntry;
class AssetBrowserEntry;
}
}
class QResizeEvent;
namespace ImageProcessingAtom
{
class ImagePreviewer
: public AzToolsFramework::AssetBrowser::Previewer
, private AZ::SystemTickBus::Handler
{
Q_OBJECT
public:
AZ_CLASS_ALLOCATOR(ImagePreviewer, AZ::SystemAllocator, 0);
explicit ImagePreviewer(QWidget* parent = nullptr);
~ImagePreviewer();
//! AzToolsFramework::AssetBrowser::Previewer overrides
void Clear() const override;
void Display(const AzToolsFramework::AssetBrowser::AssetBrowserEntry* entry) override;
const QString& GetName() const override;
protected:
void resizeEvent(QResizeEvent * event) override;
private:
void DisplayProduct(const AzToolsFramework::AssetBrowser::ProductAssetBrowserEntry* product);
void DisplaySource(const AzToolsFramework::AssetBrowser::SourceAssetBrowserEntry* source);
QString GetFileSize(const char* path);
void DisplayTextureItem();
template<class CreateFn>
void CreateAndDisplayTextureItemAsync(CreateFn create);
void PreviewSubImage(uint32_t mip);
// QLabel word wrap does not break long words such as filenames, so manual word wrap needed
static QString WordWrap(const QString& string, int maxLength);
// SystemTickBus
void OnSystemTick() override;
QScopedPointer<Ui::ImagePreviewerClass> m_ui;
QString m_fileinfo;
QString m_name = "ImagePreviewer";
// Decompressed image in preview. Cache it so we can preview its sub images
IImageObjectPtr m_previewImageObject;
// Properties for tracking the status of an asynchronous request to display an asset browser entry
using CreateDisplayTextureResult = AZStd::pair<IImageObjectPtr, QString>;
QFuture<CreateDisplayTextureResult> m_createDisplayTextureResult;
};
}//namespace ImageProcessingAtom