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);
}
