int32 STutorialButton::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled) const { LayerId = SCompoundWidget::OnPaint(Args, AllottedGeometry, MyClippingRect, OutDrawElements, LayerId, InWidgetStyle, bParentEnabled) + 1000; if ( PulseAnimation.IsPlaying() ) { float AlphaFactor0 = 0.0f; float AlphaFactor1 = 0.0f; float PulseFactor0 = 0.0f; float PulseFactor1 = 0.0f; GetAnimationValues(PulseAnimation.GetLerp(), AlphaFactor0, PulseFactor0, AlphaFactor1, PulseFactor1); const FSlateBrush* PulseBrush = FEditorStyle::Get().GetBrush(TEXT("TutorialLaunch.Circle")); const FLinearColor PulseColor = FEditorStyle::Get().GetColor(TEXT("TutorialLaunch.Circle.Color")); // We should be clipped by the window size, not our containing widget, as we want to draw outside the widget const FVector2D WindowSize = OutDrawElements.GetWindow()->GetSizeInScreen(); FSlateRect WindowClippingRect(0.0f, 0.0f, WindowSize.X, WindowSize.Y); { FVector2D PulseOffset = FVector2D(PulseFactor0 * TutorialButtonConstants::MaxPulseOffset, PulseFactor0 * TutorialButtonConstants::MaxPulseOffset); FVector2D BorderPosition = (AllottedGeometry.AbsolutePosition - ((FVector2D(PulseBrush->Margin.Left, PulseBrush->Margin.Top) * PulseBrush->ImageSize * AllottedGeometry.Scale) + PulseOffset)); FVector2D BorderSize = ((AllottedGeometry.Size * AllottedGeometry.Scale) + (PulseOffset * 2.0f) + (FVector2D(PulseBrush->Margin.Right * 2.0f, PulseBrush->Margin.Bottom * 2.0f) * PulseBrush->ImageSize * AllottedGeometry.Scale)); FPaintGeometry BorderGeometry(BorderPosition, BorderSize, AllottedGeometry.Scale); // draw highlight border FSlateDrawElement::MakeBox(OutDrawElements, LayerId++, BorderGeometry, PulseBrush, WindowClippingRect, ESlateDrawEffect::None, FLinearColor(PulseColor.R, PulseColor.G, PulseColor.B, AlphaFactor0)); } { FVector2D PulseOffset = FVector2D(PulseFactor1 * TutorialButtonConstants::MaxPulseOffset, PulseFactor1 * TutorialButtonConstants::MaxPulseOffset); FVector2D BorderPosition = (AllottedGeometry.AbsolutePosition - ((FVector2D(PulseBrush->Margin.Left, PulseBrush->Margin.Top) * PulseBrush->ImageSize * AllottedGeometry.Scale) + PulseOffset)); FVector2D BorderSize = ((AllottedGeometry.Size * AllottedGeometry.Scale) + (PulseOffset * 2.0f) + (FVector2D(PulseBrush->Margin.Right * 2.0f, PulseBrush->Margin.Bottom * 2.0f) * PulseBrush->ImageSize * AllottedGeometry.Scale)); FPaintGeometry BorderGeometry(BorderPosition, BorderSize, AllottedGeometry.Scale); // draw highlight border FSlateDrawElement::MakeBox(OutDrawElements, LayerId++, BorderGeometry, PulseBrush, WindowClippingRect, ESlateDrawEffect::None, FLinearColor(PulseColor.R, PulseColor.G, PulseColor.B, AlphaFactor1)); } } return LayerId; }
int32 STutorialWrapper::OnPaint(const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled ) const { if(OnWidgetHighlightDelegate.IsBound() && OnWidgetHighlightDelegate.Execute(Name)) { float AlphaFactor; float PulseFactor; FLinearColor ShadowTint; FLinearColor BorderTint; GetAnimationValues(AlphaFactor, PulseFactor, ShadowTint, BorderTint); const FSlateBrush* ShadowBrush = FCoreStyle::Get().GetBrush(TEXT("Tutorials.Shadow")); const FSlateBrush* BorderBrush = FCoreStyle::Get().GetBrush(TEXT("Tutorials.Border")); const FGeometry& WidgetGeometry = CachedGeometry; const FVector2D WindowPos = OutDrawElements.GetWindow()->GetPositionInScreen(); const FVector2D WindowSize = OutDrawElements.GetWindow()->GetSizeInScreen(); // We should be clipped by the window size, not our containing widget, as we want to draw outside the widget FSlateRect WindowClippingRect(0.0f, 0.0f, WindowSize.X, WindowSize.Y); // We want to draw on-top of everything else int32 OverlayLayerId = MAX_int32 - 2; FPaintGeometry ShadowGeometry((WidgetGeometry.AbsolutePosition - FVector2D(ShadowBrush->Margin.Left, ShadowBrush->Margin.Top) * ShadowBrush->ImageSize * WidgetGeometry.Scale * TutorialConstants::ShadowScale) - WindowPos, ((WidgetGeometry.Size * WidgetGeometry.Scale) + (FVector2D(ShadowBrush->Margin.Right * 2.0f, ShadowBrush->Margin.Bottom * 2.0f) * ShadowBrush->ImageSize * WidgetGeometry.Scale * TutorialConstants::ShadowScale)), WidgetGeometry.Scale * TutorialConstants::ShadowScale); // draw highlight shadow FSlateDrawElement::MakeBox(OutDrawElements, OverlayLayerId + 0, ShadowGeometry, ShadowBrush, WindowClippingRect, ESlateDrawEffect::None, ShadowTint); FVector2D PulseOffset = FVector2D(PulseFactor * TutorialConstants::MaxBorderOffset, PulseFactor * TutorialConstants::MaxBorderOffset); FVector2D BorderPosition = (WidgetGeometry.AbsolutePosition - ((FVector2D(BorderBrush->Margin.Left, BorderBrush->Margin.Top) * BorderBrush->ImageSize * WidgetGeometry.Scale) + PulseOffset)) - WindowPos; FVector2D BorderSize = ((WidgetGeometry.Size * WidgetGeometry.Scale) + (PulseOffset * 2.0f) + (FVector2D(BorderBrush->Margin.Right * 2.0f, BorderBrush->Margin.Bottom * 2.0f) * BorderBrush->ImageSize * WidgetGeometry.Scale)); FPaintGeometry BorderGeometry(BorderPosition, BorderSize, WidgetGeometry.Scale); // draw highlight border FSlateDrawElement::MakeBox(OutDrawElements, OverlayLayerId + 1, BorderGeometry, BorderBrush, WindowClippingRect, ESlateDrawEffect::None, BorderTint); } return SBorder::OnPaint(AllottedGeometry, MyClippingRect, OutDrawElements, LayerId, InWidgetStyle, bParentEnabled); }