Files
UnrealEngineUWP/Engine/Source/Runtime/Slate/Private/Framework/Text/TextEditHelper.cpp
Ben Marsh 20bf0eb6a1 Updating copyright notices to 2017 (copying from //Tasks/UE4/Dev-Copyright-2017).
#rb none
#lockdown Nick.Penwarden

[CL 3226823 by Ben Marsh in Main branch]
2016-12-08 08:52:44 -05:00

19 lines
876 B
C++

// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
#include "Framework/Text/TextEditHelper.h"
#include "Fonts/FontMeasure.h"
#include "Framework/Application/SlateApplication.h"
float FTextEditHelper::GetFontHeight(const FSlateFontInfo& FontInfo)
{
const TSharedRef< FSlateFontMeasure > FontMeasure = FSlateApplication::Get().GetRenderer()->GetFontMeasureService();
return FontMeasure->GetMaxCharacterHeight(FontInfo);
}
float FTextEditHelper::CalculateCaretWidth(const float FontMaxCharHeight)
{
// We adjust the width of the caret to avoid it becoming too wide on smaller or larger fonts and overlapping the characters it's next to.
// We clamp the lower limit to 1 to avoid it being invisible, and the upper limit to 2 to avoid tall fonts having very wide carets.
return FMath::Clamp(EditableTextDefs::CaretWidthPercent * FontMaxCharHeight, 1.0f, 2.0f);
}