WidgetStyle.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Math/Color.h"
 
struct FSlateColor;
template< typename ObjectType > class TAttribute;
 
class FWidgetStyle
{
public:
    
    FWidgetStyle( )
        : ColorAndOpacityTint(FLinearColor::White)
        , ForegroundColor(FLinearColor::White)
        , SubduedForeground(FLinearColor::White*SubdueAmount)
    { }
 
public:
 
    FWidgetStyle& BlendColorAndOpacityTint( const FLinearColor& InTint )
    {
        ColorAndOpacityTint *= InTint;
        return *this;
    }
 
    FWidgetStyle& BlendOpacity( float InOpacity )
    {
        ColorAndOpacityTint.A *= InOpacity;
        return *this;
    }
 
    FWidgetStyle& SetForegroundColor( const FLinearColor& InForeground )
    {
        ForegroundColor = InForeground;
 
        SubduedForeground = InForeground;
        SubduedForeground.A *= SubdueAmount;
 
        return *this;
    }
 
    SLATECORE_API FWidgetStyle& SetForegroundColor( const TAttribute<FSlateColor>& InForeground );
 
public:
 
    const FLinearColor& GetColorAndOpacityTint( ) const
    {
        return ColorAndOpacityTint;
    }
 
    const FLinearColor& GetForegroundColor( ) const
    {
        return ForegroundColor;
    }
 
    const FLinearColor& GetSubduedForegroundColor() const
    {
        return SubduedForeground;
    }
 
private:
 
    FLinearColor ColorAndOpacityTint;
    FLinearColor ForegroundColor;
    FLinearColor SubduedForeground;
 
private:
 
    static SLATECORE_API const float SubdueAmount;
};