alexpete
71 lines
2.7 KiB
C++
71 lines
2.7 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#pragma once
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// LmbrCentral
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#include <LmbrCentral/Dependency/DependencyMonitor.h>
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#include <LmbrCentral/Dependency/DependencyNotificationBus.h>
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// Gradient Signal
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#include <GradientSignal/Ebuses/GradientPreviewRequestBus.h>
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#include <GradientSignal/Editor/EditorGradientPreviewRenderer.h>
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// Graph Model
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#include <GraphModel/Integration/ThumbnailItem.h>
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namespace LandscapeCanvasEditor
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{
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class GradientPreviewThumbnailItem
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: public GraphModelIntegration::ThumbnailItem
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, public GradientSignal::EditorGradientPreviewRenderer
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, public LmbrCentral::DependencyNotificationBus::Handler
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, public GradientSignal::GradientPreviewRequestBus::Handler
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{
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public:
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AZ_RTTI(GradientPreviewThumbnailItem, "{D2FA7FB4-9E47-41AD-95A2-818910B09A67}", GraphModelIntegration::ThumbnailItem);
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using SampleFilterFunc = AZStd::function<float(float)>;
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GradientPreviewThumbnailItem(const AZ::EntityId& gradientId, QGraphicsItem* parent = nullptr);
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~GradientPreviewThumbnailItem() override;
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void SetGradientEntity(const AZ::EntityId& id);
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//////////////////////////////////////////////////////////////////////////
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// QGraphicsLayoutItem
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QSizeF sizeHint(Qt::SizeHint which, const QSizeF& constraint = QSizeF()) const override;
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//////////////////////////////////////////////////////////////////////////
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// QGraphicsItem
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void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = nullptr) override;
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//////////////////////////////////////////////////////////////////////////
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// LmbrCentral::DependencyNotificationBus::Handler
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void OnCompositionChanged() override;
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//////////////////////////////////////////////////////////////////////////
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// GradientPreviewRequestBus::Handler
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void Refresh() override;
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AZ::EntityId CancelRefresh() override;
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protected:
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void OnUpdate() override;
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QSize GetPreviewSize() const override;
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AZ::EntityId m_observerEntityStub;
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LmbrCentral::DependencyMonitor m_dependencyMonitor;
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bool m_refreshInProgress = false;
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};
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} //namespace LandscapeCanvasEditor
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