71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Containers/Array.h"
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#include "CurveDrawInfo.h"
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#include "CurveEditor.h"
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#include "CurveEditorTypes.h"
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#include "HAL/Platform.h"
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#include "Misc/Attribute.h"
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#include "Rendering/RenderingCommon.h"
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#include "SCurveEditorView.h"
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#include "Templates/SharedPointer.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "Widgets/SLeafWidget.h"
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#define UE_API CURVEEDITOR_API
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class FCurveEditor;
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class FPaintArgs;
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class FSlateRect;
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class FSlateWindowElementList;
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class FWidgetStyle;
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struct FGeometry;
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/**
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* Curve viewer widget that reflects the state of an FCurveEditor
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*/
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class SCurveViewerPanel : public SCurveEditorView
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{
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SLATE_BEGIN_ARGS(SCurveViewerPanel) {}
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SLATE_ATTRIBUTE(float, CurveThickness)
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SLATE_END_ARGS()
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/**
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* Construct a new curve editor panel widget
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*/
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UE_API void Construct(const FArguments& InArgs, TSharedRef<FCurveEditor> InCurveEditor);
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/**
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* Access the draw parameters that this curve editor has cached for this frame
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*/
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const TArray<FCurveDrawParams>& GetCachedDrawParams() const
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{
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return CachedDrawParams;
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}
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private:
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UE_API virtual int32 OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled) const override;
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UE_API virtual void Tick(const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime) override;
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public:
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/**
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* Draw curve data
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*/
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UE_API void DrawCurves(const FGeometry& AllottedGeometry, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, ESlateDrawEffect DrawEffects) const;
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private:
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/** Curve draw parameters that are re-generated on tick */
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TArray<FCurveDrawParams> CachedDrawParams;
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/** Thickness of the displayed curve */
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TAttribute<float> CurveThickness;
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};
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#undef UE_API
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