Files
UnrealEngineUWP/Engine/Source/Runtime/Slate/Private/Framework/Text/SlateTextHighlightRunRenderer.cpp
Matt Kuhlenschmidt a8c78a7b5d Fixed up default highlight colors for text widgets
[CL 13955831 by Matt Kuhlenschmidt in ue5-main branch]
2020-07-28 11:36:51 -04:00

43 lines
2.0 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "Framework/Text/SlateTextHighlightRunRenderer.h"
#include "Rendering/DrawElements.h"
#include "Styling/SlateTypes.h"
FSlateTextHighlightRunRenderer::FSlateTextHighlightRunRenderer()
{
}
int32 FSlateTextHighlightRunRenderer::OnPaint( const FPaintArgs& Args, const FTextLayout::FLineView& Line, const TSharedRef< ISlateRun >& Run, const TSharedRef< ILayoutBlock >& Block, const FTextBlockStyle& DefaultStyle, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled ) const
{
FVector2D Location( Block->GetLocationOffset() );
Location.Y = Line.Offset.Y;
// The block size and offset values are pre-scaled, so we need to account for that when converting the block offsets into paint geometry
const float InverseScale = Inverse(AllottedGeometry.Scale);
// Draw the actual highlight rectangle
FSlateDrawElement::MakeBox(
OutDrawElements,
++LayerId,
AllottedGeometry.ToPaintGeometry(TransformVector(InverseScale, FVector2D(Block->GetSize().X, Line.Size.Y)), FSlateLayoutTransform(TransformPoint(InverseScale, Location))),
&DefaultStyle.HighlightShape,
bParentEnabled ? ESlateDrawEffect::None : ESlateDrawEffect::DisabledEffect,
InWidgetStyle.GetColorAndOpacityTint() * DefaultStyle.HighlightShape.TintColor.GetColor(InWidgetStyle)
);
FLinearColor InvertedHighlightColor = DefaultStyle.HighlightColor.GetColor(InWidgetStyle);
InvertedHighlightColor.A = InWidgetStyle.GetForegroundColor().A;
FWidgetStyle WidgetStyle( InWidgetStyle );
WidgetStyle.SetForegroundColor( InvertedHighlightColor );
return Run->OnPaint( Args, Line, Block, DefaultStyle, AllottedGeometry, MyCullingRect, OutDrawElements, LayerId, WidgetStyle, bParentEnabled );
}
TSharedRef< FSlateTextHighlightRunRenderer > FSlateTextHighlightRunRenderer::Create()
{
return MakeShareable( new FSlateTextHighlightRunRenderer() );
}