137 lines
4.3 KiB
C++
137 lines
4.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#include "SCurveViewerPanel.h"
|
|
|
|
#include "Containers/Map.h"
|
|
#include "Containers/SortedMap.h"
|
|
#include "CurveDrawInfo.h"
|
|
#include "CurveEditor.h"
|
|
#include "CurveEditorCurveDrawParamsCache.h"
|
|
#include "CurveEditorTypes.h"
|
|
#include "Layout/Clipping.h"
|
|
#include "Layout/Geometry.h"
|
|
#include "Layout/PaintGeometry.h"
|
|
#include "Math/Color.h"
|
|
#include "Math/UnrealMathSSE.h"
|
|
#include "Math/Vector2D.h"
|
|
#include "Misc/Attribute.h"
|
|
#include "Misc/Optional.h"
|
|
#include "Rendering/DrawElements.h"
|
|
#include "Templates/Less.h"
|
|
#include "Templates/UniquePtr.h"
|
|
#include "Views/SInteractiveCurveEditorView.h"
|
|
|
|
class FCurveModel;
|
|
class FPaintArgs;
|
|
class FSlateRect;
|
|
class FWidgetStyle;
|
|
|
|
#define LOCTEXT_NAMESPACE "SCurveViewerPanel"
|
|
|
|
namespace CurveViewerConstants
|
|
{
|
|
static bool bAntiAliasCurves = true;
|
|
}
|
|
|
|
void SCurveViewerPanel::Construct(const FArguments& InArgs, TSharedRef<FCurveEditor> InCurveEditor)
|
|
{
|
|
WeakCurveEditor = InCurveEditor;
|
|
CurveThickness = InArgs._CurveThickness;
|
|
|
|
InCurveEditor->SetView(SharedThis(this));
|
|
|
|
CurveDrawParamsCache->Invalidate(SharedThis(this));
|
|
|
|
for (const TPair<FCurveModelID, TUniquePtr<FCurveModel>>& CurvePair : InCurveEditor->GetCurves())
|
|
{
|
|
CurveInfoByID.Add(CurvePair.Key);
|
|
}
|
|
|
|
SetClipping(EWidgetClipping::ClipToBounds);
|
|
}
|
|
|
|
void SCurveViewerPanel::Tick(const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime)
|
|
{
|
|
CheckCacheAndInvalidateIfNeeded();
|
|
}
|
|
|
|
int32 SCurveViewerPanel::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled) const
|
|
{
|
|
const ESlateDrawEffect DrawEffects = ShouldBeEnabled(bParentEnabled) ? ESlateDrawEffect::None : ESlateDrawEffect::DisabledEffect;
|
|
|
|
DrawCurves(AllottedGeometry, OutDrawElements, LayerId, InWidgetStyle, DrawEffects);
|
|
|
|
return LayerId + CurveViewConstants::ELayerOffset::Last;
|
|
}
|
|
|
|
void SCurveViewerPanel::DrawCurves(const FGeometry& AllottedGeometry, FSlateWindowElementList& OutDrawElements, int32 BaseLayerId, const FWidgetStyle& InWidgetStyle, ESlateDrawEffect DrawEffects) const
|
|
{
|
|
const FPaintGeometry PaintGeometry = AllottedGeometry.ToPaintGeometry();
|
|
|
|
float DashOffset = static_cast<float>(GetViewSpace().PixelsPerInput() * GetViewSpace().GetInputMin());
|
|
|
|
for (const FCurveDrawParams& Params : CurveDrawParamsCache->GetCurveDrawParams())
|
|
{
|
|
if (Params.DashLengthPx > 0.f)
|
|
{
|
|
TArray<FVector2f> NewVector;
|
|
NewVector.Reserve(Params.InterpolatingPoints.Num());
|
|
for (const FVector2d& Vect : Params.InterpolatingPoints)
|
|
{
|
|
NewVector.Add(UE::Slate::CastToVector2f(Vect));
|
|
}
|
|
|
|
FSlateDrawElement::MakeDashedLines(
|
|
OutDrawElements,
|
|
BaseLayerId + CurveViewConstants::ELayerOffset::Curves,
|
|
PaintGeometry,
|
|
MoveTemp(NewVector),
|
|
DrawEffects,
|
|
Params.Color,
|
|
CurveThickness.Get(),
|
|
Params.DashLengthPx,
|
|
DashOffset
|
|
);
|
|
}
|
|
else
|
|
{
|
|
FSlateDrawElement::MakeLines(
|
|
OutDrawElements,
|
|
BaseLayerId + CurveViewConstants::ELayerOffset::Curves,
|
|
PaintGeometry,
|
|
Params.InterpolatingPoints,
|
|
DrawEffects,
|
|
Params.Color,
|
|
CurveViewerConstants::bAntiAliasCurves,
|
|
CurveThickness.Get()
|
|
);
|
|
}
|
|
|
|
if (Params.bKeyDrawEnabled)
|
|
{
|
|
for (int32 PointIndex = 0; PointIndex < Params.Points.Num(); PointIndex++)
|
|
{
|
|
const FCurvePointInfo& Point = Params.Points[PointIndex];
|
|
const FKeyDrawInfo& PointDrawInfo = Params.GetKeyDrawInfo(Point.Type, PointIndex);
|
|
|
|
const int32 KeyLayerId = BaseLayerId + Point.LayerBias + CurveViewConstants::ELayerOffset::Keys;
|
|
FLinearColor PointTint = PointDrawInfo.Tint.IsSet() ? PointDrawInfo.Tint.GetValue() : Params.Color;
|
|
|
|
// Brighten and saturate the points a bit so they pop
|
|
FLinearColor HSV = PointTint.LinearRGBToHSV();
|
|
HSV.G = FMath::Clamp(HSV.G * 1.1f, 0.f, 255.f);
|
|
HSV.B = FMath::Clamp(HSV.B * 2.f, 0.f, 255.f);
|
|
PointTint = HSV.HSVToLinearRGB();
|
|
|
|
FPaintGeometry PointGeometry = AllottedGeometry.ToPaintGeometry(
|
|
PointDrawInfo.ScreenSize,
|
|
FSlateLayoutTransform(Point.ScreenPosition - (PointDrawInfo.ScreenSize * 0.5f))
|
|
);
|
|
|
|
FSlateDrawElement::MakeBox(OutDrawElements, KeyLayerId, PointGeometry, PointDrawInfo.Brush, DrawEffects, PointTint );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#undef LOCTEXT_NAMESPACE |