Color

Provides functions for color conversion and manipulation. More...

Functions
u8	nnl::utl::color::Convert4To8 (u8 v) noexcept
	Converts a 4-bit color channel value to an 8-bit color channel value.
u8	nnl::utl::color::Convert5To8 (u8 v) noexcept
	Converts a 5-bit color channel value to an 8-bit color channel value.
u8	nnl::utl::color::Convert6To8 (u8 v) noexcept
	Converts a 6-bit color channel value to an 8-bit color channel value.
u32	nnl::utl::color::RGBA4444ToRGBA8888 (u16 src) noexcept
	Converts RGBA4444 color format to RGBA8888 color format.
u32	nnl::utl::color::RGBA5551ToRGBA8888 (u16 src) noexcept
	Converts RGBA5551 color format to RGBA8888 color format.
u32	nnl::utl::color::RGB565ToRGBA8888 (u16 src) noexcept
	Converts RGB565 color format to RGBA8888 color format.
u16	nnl::utl::color::RGBA8888ToRGB565 (u32 value) noexcept
	Converts RGBA8888 color format to RGB565 color format.
u16	nnl::utl::color::RGBA8888ToRGBA5551 (u32 value) noexcept
	Converts RGBA8888 color format to RGBA5551 color format.
u16	nnl::utl::color::RGBA8888ToRGBA4444 (u32 value) noexcept
	Converts RGBA8888 color format to RGBA4444 color format.
std::string	nnl::utl::color::IntToHex (u32 color, bool alpha=true)
	Converts an integer color value to a hex string representation.
u32	nnl::utl::color::HexToInt (std::string hex)
	Converts a hex string representation of a color to an integer color value.
glm::vec4	nnl::utl::color::IntToFloat (u32 color) noexcept
	Converts an integer color value to a floating-point vector representation.
u8	nnl::utl::color::FloatToInt (float color) noexcept
	Converts a floating-point color value to an integer color representation.
u32	nnl::utl::color::FloatToInt (glm::vec3 color) noexcept
	Converts a vec3 floating-point color vector to an integer color representation.
u32	nnl::utl::color::FloatToInt (glm::vec4 color)
	Converts a vec4 floating-point color vector to an integer color representation.
float	nnl::utl::color::SRGBToLinear (float c) noexcept
	Converts an sRGB color value to a linear color value.
template<typename T>
T	nnl::utl::color::SRGBToLinear (T color)
	Converts a vec of sRGB color values to linear color values.
float	nnl::utl::color::LinearToSRGB (float c) noexcept
	Converts a linear color value to an sRGB color value.
template<typename T>
T	nnl::utl::color::LinearToSRGB (T color)
	Converts a vector of linear color values to sRGB color values.

Detailed Description

Provides functions for color conversion and manipulation.

Function Documentation

Convert4To8()

u8 nnl::utl::color::Convert4To8 ( u8 v )

inlinenoexcept

Converts a 4-bit color channel value to an 8-bit color channel value.

Parameters

v	The 4-bit color channel value.

Returns

The converted 8-bit color channel value.

Convert5To8()

u8 nnl::utl::color::Convert5To8 ( u8 v )

inlinenoexcept

Converts a 5-bit color channel value to an 8-bit color channel value.

Parameters

v	The 5-bit color channel value.

Returns

The converted 8-bit color channel value.

Convert6To8()

u8 nnl::utl::color::Convert6To8 ( u8 v )

inlinenoexcept

Converts a 6-bit color channel value to an 8-bit color channel value.

Parameters

v	The 6-bit color channel value.

Returns

The converted 8-bit color channel value.

FloatToInt() [1/3]

u8 nnl::utl::color::FloatToInt ( float color )

inlinenoexcept

Converts a floating-point color value to an integer color representation.

Parameters

color

The floating-point value representing a color component (0.0 to 1.0).

Returns

A 32-bit integer representing the color.

FloatToInt() [2/3]

u32 nnl::utl::color::FloatToInt ( glm::vec3 color )

inlinenoexcept

Converts a vec3 floating-point color vector to an integer color representation.

Parameters

color

The vec3 color vector where components are in the range [0.0, 1.0].

Returns

A 32-bit integer representing the color in RGBA format.

FloatToInt() [3/3]

u32 nnl::utl::color::FloatToInt ( glm::vec4 color )

inline

Converts a vec4 floating-point color vector to an integer color representation.

Parameters

color

The vec4 color vector where components are in the range [0.0, 1.0].

Returns

A 32-bit integer representing the color in RGBA format.

HexToInt()

u32 nnl::utl::color::HexToInt ( std::string hex )

inline

Converts a hex string representation of a color to an integer color value.

Parameters

hex	The hex string representing the color (format: "#RRGGBBAA").

Returns

A 32-bit integer representing the color in RGBA format.

IntToFloat()

glm::vec4 nnl::utl::color::IntToFloat ( u32 color )

inlinenoexcept

Converts an integer color value to a floating-point vector representation.

Parameters

color

The 32-bit integer representing RGBA color.

Returns

A vec4 representing the color in normalized floating-point values.

IntToHex()

std::string nnl::utl::color::IntToHex ( u32 color, bool alpha = true )

inline

Converts an integer color value to a hex string representation.

Parameters

color	The 32-bit integer representing RGBA color.
alpha	Boolean flag to include alpha in hex representation.

Returns

A hex string representing the color (format: "#RRGGBBAA").

LinearToSRGB() [1/2]

float nnl::utl::color::LinearToSRGB ( float c )

inlinenoexcept

Converts a linear color value to an sRGB color value.

Parameters

c	The linear color component.

Returns

The corresponding sRGB color component.

LinearToSRGB() [2/2]

template<typename T>

T nnl::utl::color::LinearToSRGB

(

T

color

)

Converts a vector of linear color values to sRGB color values.

Template Parameters

T	Type of the color container (e.g., glm::vec3).

Parameters

color

The color container with linear components.

Returns

The color container with sRGB components.

RGB565ToRGBA8888()

u32 nnl::utl::color::RGB565ToRGBA8888 ( u16 src )

inlinenoexcept

Converts RGB565 color format to RGBA8888 color format.

Parameters

src	The source color in RGB565 format.

Returns

The converted color in RGBA8888 format.

RGBA4444ToRGBA8888()

u32 nnl::utl::color::RGBA4444ToRGBA8888 ( u16 src )

inlinenoexcept

Converts RGBA4444 color format to RGBA8888 color format.

Parameters

src	The source color in RGBA4444 format.

Returns

The converted color in RGBA8888 format.

RGBA5551ToRGBA8888()

u32 nnl::utl::color::RGBA5551ToRGBA8888 ( u16 src )

inlinenoexcept

Converts RGBA5551 color format to RGBA8888 color format.

Parameters

src	The source color in RGBA5551 format.

Returns

The converted color in RGBA8888 format.

RGBA8888ToRGB565()

u16 nnl::utl::color::RGBA8888ToRGB565 ( u32 value )

inlinenoexcept

Converts RGBA8888 color format to RGB565 color format.

Parameters

value

The source color in RGBA8888 format.

Returns

The converted color in RGB565 format.

RGBA8888ToRGBA4444()

u16 nnl::utl::color::RGBA8888ToRGBA4444 ( u32 value )

inlinenoexcept

Converts RGBA8888 color format to RGBA4444 color format.

Parameters

value

The source color in RGBA8888 format.

Returns

The converted color in RGBA4444 format.

RGBA8888ToRGBA5551()

u16 nnl::utl::color::RGBA8888ToRGBA5551 ( u32 value )

inlinenoexcept

Converts RGBA8888 color format to RGBA5551 color format.

Parameters

value

The source color in RGBA8888 format.

Returns

The converted color in RGBA5551 format.

SRGBToLinear() [1/2]

float nnl::utl::color::SRGBToLinear ( float c )

inlinenoexcept

Converts an sRGB color value to a linear color value.

Parameters

c	The sRGB color component.

Returns

The corresponding linear color component.

SRGBToLinear() [2/2]

template<typename T>

T nnl::utl::color::SRGBToLinear

(

T

color

)

Converts a vec of sRGB color values to linear color values.

Template Parameters

T	Type of the color container (e.g., glm::vec3).

Parameters

color

The color container with sRGB components.

Returns

The color vector with linear components.