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44c1bb3292
#rb: none #fyi: Laurent.Delayen, Thomas.Sarkanen [CL 11088765 by Lina Halper in Main branch]
85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "SCurveViewerPanel.h"
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#include "Rendering/DrawElements.h"
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#include "CurveDrawInfo.h"
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#include "EditorStyleSet.h"
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#include "Misc/Attribute.h"
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#include "CurveEditorScreenSpace.h"
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#include "Views/SInteractiveCurveEditorView.h"
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#define LOCTEXT_NAMESPACE "SCurveViewerPanel"
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namespace CurveViewerConstants
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{
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static bool bAntiAliasCurves = true;
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}
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void SCurveViewerPanel::Construct(const FArguments& InArgs, TSharedRef<FCurveEditor> InCurveEditor)
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{
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WeakCurveEditor = InCurveEditor;
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CurveThickness = InArgs._CurveThickness;
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InCurveEditor->SetView(SharedThis(this));
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for (const TPair<FCurveModelID, TUniquePtr<FCurveModel>>& CurvePair : InCurveEditor->GetCurves())
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{
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CurveInfoByID.Add(CurvePair.Key);
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}
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SetClipping(EWidgetClipping::ClipToBounds);
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}
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void SCurveViewerPanel::Tick(const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime)
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{
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CachedDrawParams.Reset();
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GetCurveDrawParams(CachedDrawParams);
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}
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int32 SCurveViewerPanel::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled) const
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{
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const ESlateDrawEffect DrawEffects = ShouldBeEnabled(bParentEnabled) ? ESlateDrawEffect::None : ESlateDrawEffect::DisabledEffect;
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DrawCurves(AllottedGeometry, OutDrawElements, LayerId, InWidgetStyle, DrawEffects);
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return LayerId + CurveViewConstants::ELayerOffset::Last;
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}
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void SCurveViewerPanel::DrawCurves(const FGeometry& AllottedGeometry, FSlateWindowElementList& OutDrawElements, int32 BaseLayerId, const FWidgetStyle& InWidgetStyle, ESlateDrawEffect DrawEffects) const
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{
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const FPaintGeometry PaintGeometry = AllottedGeometry.ToPaintGeometry();
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for (const FCurveDrawParams& Params : CachedDrawParams)
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{
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FSlateDrawElement::MakeLines(
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OutDrawElements,
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BaseLayerId + CurveViewConstants::ELayerOffset::Curves,
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PaintGeometry,
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Params.InterpolatingPoints,
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DrawEffects,
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Params.Color,
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CurveViewerConstants::bAntiAliasCurves,
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CurveThickness.Get()
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);
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if (Params.bKeyDrawEnabled)
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{
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for (int32 PointIndex = 0; PointIndex < Params.Points.Num(); PointIndex++)
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{
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const FCurvePointInfo& Point = Params.Points[PointIndex];
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const FKeyDrawInfo& PointDrawInfo = Params.GetKeyDrawInfo(Point.Type, PointIndex);
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const int32 KeyLayerId = BaseLayerId + Point.LayerBias + CurveViewConstants::ELayerOffset::Keys;
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FPaintGeometry PointGeometry = AllottedGeometry.ToPaintGeometry(
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Point.ScreenPosition - (PointDrawInfo.ScreenSize * 0.5f),
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PointDrawInfo.ScreenSize
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);
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FSlateDrawElement::MakeBox(OutDrawElements, KeyLayerId, PointGeometry, PointDrawInfo.Brush, DrawEffects, PointDrawInfo.Tint);
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}
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}
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}
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}
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#undef LOCTEXT_NAMESPACE |