FIESLoader Class Reference

#include <IESLoader.h>

Public Member Functions
	FIESLoader (const uint8 *Buffer, uint32 BufferLength)
float	ExtractInRGBA16F (TArray< uint8 > &OutData)
bool	IsValid () const
uint32	GetWidth () const
uint32	GetHeight () const
float	GetBrightness () const
const TCHAR *	GetError () const

Detailed Description

To load the IES file image format. IES files exist for many real world lights. The file stores how much light is emitted in a specific direction. The data is usually measured but tools to paint IES files exist.

Constructor & Destructor Documentation

FIESLoader()

FIESLoader::FIESLoader	(	const uint8 *	Buffer,
		uint32	BufferLength
	)

is loading the file, can take some time, success can be checked with IsValid()

Member Function Documentation

ExtractInRGBA16F()

float FIESLoader::ExtractInRGBA16F

(

TArray< uint8 > &

OutData

)

GetBrightness()

float FIESLoader::GetBrightness

(

)

const

Returns

in Lumens

GetError()

const TCHAR * FIESLoader::GetError ( ) const

inline

GetHeight()

uint32 FIESLoader::GetHeight

(

)

const

GetWidth()

uint32 FIESLoader::GetWidth

(

)

const

IsValid()

bool FIESLoader::IsValid

(

)

const

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The documentation for this class was generated from the following files:

• Engine/Source/Runtime/IESFile/Private/IESLoader.h
• Engine/Source/Runtime/IESFile/Private/IESLoader.cpp