#include <juce_Colour.h>

Public Member Functions
	Colour ()=default
	Colour (const Colour &)=default
	Colour (uint32 argb) noexcept
	Colour (uint8 red, uint8 green, uint8 blue) noexcept
	Colour (uint8 red, uint8 green, uint8 blue, uint8 alpha) noexcept
	Colour (uint8 red, uint8 green, uint8 blue, float alpha) noexcept
	Colour (float hue, float saturation, float brightness, uint8 alpha) noexcept
	Colour (float hue, float saturation, float brightness, float alpha) noexcept
	Colour (PixelARGB argb) noexcept
	Colour (PixelRGB rgb) noexcept
	Colour (PixelAlpha alpha) noexcept
	~Colour ()=default
Colour &	operator= (const Colour &)=default
bool	operator== (const Colour &other) const noexcept
bool	operator!= (const Colour &other) const noexcept
uint8	getRed () const noexcept
uint8	getGreen () const noexcept
uint8	getBlue () const noexcept
float	getFloatRed () const noexcept
float	getFloatGreen () const noexcept
float	getFloatBlue () const noexcept
const PixelARGB	getPixelARGB () const noexcept
uint32	getARGB () const noexcept
uint8	getAlpha () const noexcept
float	getFloatAlpha () const noexcept
bool	isOpaque () const noexcept
bool	isTransparent () const noexcept
Colour	withAlpha (uint8 newAlpha) const noexcept
Colour	withAlpha (float newAlpha) const noexcept
Colour	withMultipliedAlpha (float alphaMultiplier) const noexcept
Colour	overlaidWith (Colour foregroundColour) const noexcept
Colour	interpolatedWith (Colour other, float proportionOfOther) const noexcept
float	getHue () const noexcept
float	getSaturation () const noexcept
float	getSaturationHSL () const noexcept
float	getBrightness () const noexcept
float	getLightness () const noexcept
float	getPerceivedBrightness () const noexcept
void	getHSB (float &hue, float &saturation, float &brightness) const noexcept
void	getHSL (float &hue, float &saturation, float &lightness) const noexcept
JUCE_NODISCARD Colour	withHue (float newHue) const noexcept
JUCE_NODISCARD Colour	withSaturation (float newSaturation) const noexcept
JUCE_NODISCARD Colour	withSaturationHSL (float newSaturation) const noexcept
JUCE_NODISCARD Colour	withBrightness (float newBrightness) const noexcept
JUCE_NODISCARD Colour	withLightness (float newLightness) const noexcept
JUCE_NODISCARD Colour	withRotatedHue (float amountToRotate) const noexcept
JUCE_NODISCARD Colour	withMultipliedSaturation (float multiplier) const noexcept
JUCE_NODISCARD Colour	withMultipliedSaturationHSL (float multiplier) const noexcept
JUCE_NODISCARD Colour	withMultipliedBrightness (float amount) const noexcept
JUCE_NODISCARD Colour	withMultipliedLightness (float amount) const noexcept
JUCE_NODISCARD Colour	brighter (float amountBrighter=0.4f) const noexcept
JUCE_NODISCARD Colour	darker (float amountDarker=0.4f) const noexcept
JUCE_NODISCARD Colour	contrasting (float amount=1.0f) const noexcept
JUCE_NODISCARD Colour	contrasting (Colour targetColour, float minLuminosityDiff) const noexcept
String	toString () const
String	toDisplayString (bool includeAlphaValue) const

Static Public Member Functions
static Colour	fromRGB (uint8 red, uint8 green, uint8 blue) noexcept
static Colour	fromRGBA (uint8 red, uint8 green, uint8 blue, uint8 alpha) noexcept
static Colour	fromFloatRGBA (float red, float green, float blue, float alpha) noexcept
static Colour	fromHSV (float hue, float saturation, float brightness, float alpha) noexcept
static Colour	fromHSL (float hue, float saturation, float lightness, float alpha) noexcept
static JUCE_NODISCARD Colour	contrasting (Colour colour1, Colour colour2) noexcept
static JUCE_NODISCARD Colour	greyLevel (float brightness) noexcept
static JUCE_NODISCARD Colour	fromString (StringRef encodedColourString)

Private Attributes
PixelARGB	argb { 0, 0, 0, 0 }

Detailed Description

Represents a colour, also including a transparency value.

The colour is stored internally as unsigned 8-bit red, green, blue and alpha values.

@tags{Graphics}

Constructor & Destructor Documentation

◆ Colour() [1/11]

juce::Colour::Colour ( )

default

Creates a transparent black colour.

◆ Colour() [2/11]

juce::Colour::Colour ( const Colour & )

default

Creates a copy of another Colour object.

◆ Colour() [3/11]

juce::Colour::Colour ( uint32 argb )

explicitnoexcept

Creates a colour from a 32-bit ARGB value.

The format of this number is: ((alpha << 24) | (red << 16) | (green << 8) | blue).

All components in the range 0x00 to 0xff. An alpha of 0x00 is completely transparent, alpha of 0xff is opaque.

See also: getPixelARGB

◆ Colour() [4/11]

juce::Colour::Colour	(	uint8	red,
		uint8	green,
		uint8	blue )

noexcept

Creates an opaque colour using 8-bit red, green and blue values

◆ Colour() [5/11]

juce::Colour::Colour	(	uint8	red,
		uint8	green,
		uint8	blue,
		uint8	alpha )

noexcept

Creates a colour using 8-bit red, green, blue and alpha values.

◆ Colour() [6/11]

juce::Colour::Colour	(	uint8	red,
		uint8	green,
		uint8	blue,
		float	alpha )

noexcept

Creates a colour from 8-bit red, green, and blue values, and a floating-point alpha.

Alpha of 0.0 is transparent, alpha of 1.0f is opaque. Values outside the valid range will be clipped.

◆ Colour() [7/11]

juce::Colour::Colour	(	float	hue,
		float	saturation,
		float	brightness,
		uint8	alpha )

noexcept

Creates a colour using floating point hue, saturation and brightness values, and an 8-bit alpha.

The floating point values must be between 0.0 and 1.0. An alpha of 0x00 is completely transparent, alpha of 0xff is opaque. Values outside the valid range will be clipped.

◆ Colour() [8/11]

juce::Colour::Colour	(	float	hue,
		float	saturation,
		float	brightness,
		float	alpha )

noexcept

Creates a colour using floating point hue, saturation, brightness and alpha values.

All values must be between 0.0 and 1.0. Numbers outside the valid range will be clipped.

◆ Colour() [9/11]

juce::Colour::Colour ( PixelARGB argb )

noexcept

Creates a colour using a PixelARGB object. This function assumes that the argb pixel is not premultiplied.

◆ Colour() [10/11]

juce::Colour::Colour ( PixelRGB rgb )

noexcept

Creates a colour using a PixelRGB object.

◆ Colour() [11/11]

juce::Colour::Colour ( PixelAlpha alpha )

noexcept

Creates a colour using a PixelAlpha object.

◆ ~Colour()

juce::Colour::~Colour ( )

default

Destructor.

Member Function Documentation

◆ brighter()

Colour juce::Colour::brighter ( float amountBrighter = 0.4f ) const

noexcept

Returns a brighter version of this colour.

Parameters

amountBrighter how much brighter to make it - a value greater than or equal to 0, where 0 is unchanged, and higher values make it brighter

See also: withMultipliedBrightness

◆ contrasting() [1/3]

Colour juce::Colour::contrasting	(	Colour	colour1,
		Colour	colour2 )

staticnoexcept

Returns a colour that contrasts against two colours. Looks for a colour that contrasts with both of the colours passed-in. Handy for things like choosing a highlight colour in text editors, etc.

◆ contrasting() [2/3]

Colour juce::Colour::contrasting	(	Colour	targetColour,
		float	minLuminosityDiff ) const

noexcept

Returns a colour that is as close as possible to a target colour whilst still being in contrast to this one.

The colour that is returned will be the targetColour, but with its luminosity nudged up or down so that it differs from the luminosity of this colour by at least the amount specified by minLuminosityDiff.

◆ contrasting() [3/3]

Colour juce::Colour::contrasting ( float amount = 1.0f ) const

noexcept

Returns a colour that will be clearly visible against this colour.

The amount parameter indicates how contrasting the new colour should be, so e.g. Colours::black.contrasting (0.1f) will return a colour that's just a little bit lighter; Colours::black.contrasting (1.0f) will return white; Colours::white.contrasting (1.0f) will return black, etc.

◆ darker()

Colour juce::Colour::darker ( float amountDarker = 0.4f ) const

noexcept

Returns a darker version of this colour.

Parameters

amountDarker how much darker to make it - a value greater than or equal to 0, where 0 is unchanged, and higher values make it darker

See also: withMultipliedBrightness

◆ fromFloatRGBA()

Colour juce::Colour::fromFloatRGBA	(	float	red,
		float	green,
		float	blue,
		float	alpha )

staticnoexcept

Creates a colour using floating point red, green, blue and alpha values. Numbers outside the range 0..1 will be clipped.

◆ fromHSL()

Colour juce::Colour::fromHSL	(	float	hue,
		float	saturation,
		float	lightness,
		float	alpha )

staticnoexcept

Creates a colour using floating point hue, saturation, lightness and alpha values.

All values must be between 0.0 and 1.0. Numbers outside the valid range will be clipped.

◆ fromHSV()

Colour juce::Colour::fromHSV	(	float	hue,
		float	saturation,
		float	brightness,
		float	alpha )

staticnoexcept

Creates a colour using floating point hue, saturation, brightness and alpha values.

All values must be between 0.0 and 1.0. Numbers outside the valid range will be clipped.

◆ fromRGB()

Colour juce::Colour::fromRGB	(	uint8	red,
		uint8	green,
		uint8	blue )

staticnoexcept

Creates an opaque colour using 8-bit red, green and blue values

◆ fromRGBA()

Colour juce::Colour::fromRGBA	(	uint8	red,
		uint8	green,
		uint8	blue,
		uint8	alpha )

staticnoexcept

Creates a colour using 8-bit red, green, blue and alpha values.

◆ fromString()

Colour juce::Colour::fromString ( StringRef encodedColourString )

static

Reads the colour from a string that was created with toString().

◆ getAlpha()

uint8 juce::Colour::getAlpha ( ) const

inlinenoexcept

Returns the colour's alpha (opacity).

Alpha of 0x00 is completely transparent, 0xff is completely opaque.

◆ getARGB()

uint32 juce::Colour::getARGB ( ) const

noexcept

Returns a 32-bit integer that represents this colour.

The format of this number is: ((alpha << 24) | (red << 16) | (green << 8) | blue).

◆ getBlue()

uint8 juce::Colour::getBlue ( ) const

inlinenoexcept

Returns the blue component of this colour.

Returns: a value between 0x00 and 0xff.

◆ getBrightness()

float juce::Colour::getBrightness ( ) const

noexcept

Returns the colour's brightness component. The value returned is in the range 0.0 to 1.0

◆ getFloatAlpha()

float juce::Colour::getFloatAlpha ( ) const

noexcept

Returns the colour's alpha (opacity) as a floating point value.

Alpha of 0.0 is completely transparent, 1.0 is completely opaque.

◆ getFloatBlue()

float juce::Colour::getFloatBlue ( ) const

noexcept

Returns the blue component of this colour as a floating point value.

Returns: a value between 0.0 and 1.0

◆ getFloatGreen()

float juce::Colour::getFloatGreen ( ) const

noexcept

Returns the green component of this colour as a floating point value.

Returns: a value between 0.0 and 1.0

◆ getFloatRed()

float juce::Colour::getFloatRed ( ) const

noexcept

Returns the red component of this colour as a floating point value.

Returns: a value between 0.0 and 1.0

◆ getGreen()

uint8 juce::Colour::getGreen ( ) const

inlinenoexcept

Returns the green component of this colour.

Returns: a value between 0x00 and 0xff.

◆ getHSB()

void juce::Colour::getHSB	(	float &	hue,
		float &	saturation,
		float &	brightness ) const

noexcept

Returns the colour's hue, saturation and brightness components all at once. The values returned are in the range 0.0 to 1.0

◆ getHSL()

void juce::Colour::getHSL	(	float &	hue,
		float &	saturation,
		float &	lightness ) const

noexcept

Returns the colour's hue, saturation and lightness components all at once. The values returned are in the range 0.0 to 1.0

◆ getHue()

float juce::Colour::getHue ( ) const

noexcept

Returns the colour's hue component. The value returned is in the range 0.0 to 1.0

◆ getLightness()

float juce::Colour::getLightness ( ) const

noexcept

Returns the colour's lightness component. The value returned is in the range 0.0 to 1.0

◆ getPerceivedBrightness()

float juce::Colour::getPerceivedBrightness ( ) const

noexcept

Returns a skewed brightness value, adjusted to better reflect the way the human eye responds to different colour channels. This makes it better than getBrightness() for comparing differences in brightness.

◆ getPixelARGB()

const PixelARGB juce::Colour::getPixelARGB ( ) const

noexcept

Returns a premultiplied ARGB pixel object that represents this colour.

◆ getRed()

uint8 juce::Colour::getRed ( ) const

inlinenoexcept

Returns the red component of this colour.

Returns: a value between 0x00 and 0xff.

◆ getSaturation()

float juce::Colour::getSaturation ( ) const

noexcept

Returns the colour's saturation component. The value returned is in the range 0.0 to 1.0

◆ getSaturationHSL()

float juce::Colour::getSaturationHSL ( ) const

noexcept

Returns the colour's saturation component as represented in the HSL colour space. The value returned is in the range 0.0 to 1.0

◆ greyLevel()

Colour juce::Colour::greyLevel ( float brightness )

staticnoexcept

Returns an opaque shade of grey.

Parameters

brightness the level of grey to return - 0 is black, 1.0 is white

◆ interpolatedWith()

Colour juce::Colour::interpolatedWith	(	Colour	other,
		float	proportionOfOther ) const

noexcept

Returns a colour that lies somewhere between this one and another. If amountOfOther is zero, the result is 100% this colour, if amountOfOther is 1.0, the result is 100% of the other colour.

◆ isOpaque()

bool juce::Colour::isOpaque ( ) const

noexcept

Returns true if this colour is completely opaque.

Equivalent to (getAlpha() == 0xff).

◆ isTransparent()

bool juce::Colour::isTransparent ( ) const

noexcept

Returns true if this colour is completely transparent.

Equivalent to (getAlpha() == 0x00).

◆ operator!=()

bool juce::Colour::operator!= ( const Colour & other ) const

noexcept

Compares two colours.

◆ operator=()

Colour & juce::Colour::operator= ( const Colour & )

default

Copies another Colour object.

◆ operator==()

bool juce::Colour::operator== ( const Colour & other ) const

noexcept

Compares two colours.

◆ overlaidWith()

Colour juce::Colour::overlaidWith ( Colour foregroundColour ) const

noexcept

Returns a colour that is the result of alpha-compositing a new colour over this one. If the foreground colour is semi-transparent, it is blended onto this colour accordingly.

◆ toDisplayString()

String juce::Colour::toDisplayString ( bool includeAlphaValue ) const

Returns the colour as a hex string in the form RRGGBB or AARRGGBB.

◆ toString()

String juce::Colour::toString ( ) const

Returns a stringified version of this colour. The string can be turned back into a colour using the fromString() method.

◆ withAlpha() [1/2]

Colour juce::Colour::withAlpha ( float newAlpha ) const

noexcept

Returns a colour that's the same colour as this one, but with a new alpha value.

◆ withAlpha() [2/2]

Colour juce::Colour::withAlpha ( uint8 newAlpha ) const

noexcept

Returns a colour that's the same colour as this one, but with a new alpha value.

◆ withBrightness()

Colour juce::Colour::withBrightness ( float newBrightness ) const

noexcept

Returns a copy of this colour with a different brightness.

See also: brighter, darker, withMultipliedBrightness

◆ withHue()

Colour juce::Colour::withHue ( float newHue ) const

noexcept

Returns a copy of this colour with a different hue.

◆ withLightness()

Colour juce::Colour::withLightness ( float newLightness ) const

noexcept

Returns a copy of this colour with a different lightness.

See also: lighter, darker, withMultipliedLightness

◆ withMultipliedAlpha()

Colour juce::Colour::withMultipliedAlpha ( float alphaMultiplier ) const

noexcept

Returns a colour that's the same colour as this one, but with a modified alpha value. The new colour's alpha will be this object's alpha multiplied by the value passed-in.

◆ withMultipliedBrightness()

Colour juce::Colour::withMultipliedBrightness ( float amount ) const

noexcept

Returns a copy of this colour with its brightness multiplied by the given value. The new colour's brightness is (this->getBrightness() * multiplier) (the result is clipped to legal limits).

◆ withMultipliedLightness()

Colour juce::Colour::withMultipliedLightness ( float amount ) const

noexcept

Returns a copy of this colour with its lightness multiplied by the given value. The new colour's lightness is (this->lightness() * multiplier) (the result is clipped to legal limits).

◆ withMultipliedSaturation()

Colour juce::Colour::withMultipliedSaturation ( float multiplier ) const

noexcept

Returns a copy of this colour with its saturation multiplied by the given value. The new colour's saturation is (this->getSaturation() * multiplier) (the result is clipped to legal limits).

◆ withMultipliedSaturationHSL()

Colour juce::Colour::withMultipliedSaturationHSL ( float multiplier ) const

noexcept

Returns a copy of this colour with its saturation multiplied by the given value. The new colour's saturation is (this->getSaturation() * multiplier) (the result is clipped to legal limits).

This will be in the HSL colour space.

◆ withRotatedHue()

Colour juce::Colour::withRotatedHue ( float amountToRotate ) const

noexcept

Returns a copy of this colour with its hue rotated. The new colour's hue is ((this->getHue() + amountToRotate) % 1.0)

See also: brighter, darker, withMultipliedBrightness

◆ withSaturation()

Colour juce::Colour::withSaturation ( float newSaturation ) const

noexcept

Returns a copy of this colour with a different saturation.

◆ withSaturationHSL()

Colour juce::Colour::withSaturationHSL ( float newSaturation ) const

noexcept

Returns a copy of this colour with a different saturation in the HSL colour space.

Member Data Documentation

◆ argb

PixelARGB juce::Colour::argb { 0, 0, 0, 0 }

private

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

/home/runner/work/lmms-fork/lmms-fork/plugins/CarlaBase/carla/source/modules/juce_graphics/colour/juce_Colour.h
/home/runner/work/lmms-fork/lmms-fork/plugins/CarlaBase/carla/source/modules/juce_graphics/colour/juce_Colour.cpp

Public Member Functions

Static Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Colour() [1/11]

◆ Colour() [2/11]

◆ Colour() [3/11]

◆ Colour() [4/11]

◆ Colour() [5/11]

◆ Colour() [6/11]

◆ Colour() [7/11]

◆ Colour() [8/11]

◆ Colour() [9/11]

◆ Colour() [10/11]

◆ Colour() [11/11]

◆ ~Colour()

Member Function Documentation

◆ brighter()

◆ contrasting() [1/3]

◆ contrasting() [2/3]

◆ contrasting() [3/3]

◆ darker()

◆ fromFloatRGBA()

◆ fromHSL()

◆ fromHSV()

◆ fromRGB()

◆ fromRGBA()

◆ fromString()

◆ getAlpha()

◆ getARGB()

◆ getBlue()

◆ getBrightness()

◆ getFloatAlpha()

◆ getFloatBlue()

◆ getFloatGreen()

◆ getFloatRed()

◆ getGreen()

◆ getHSB()

◆ getHSL()

◆ getHue()

◆ getLightness()

◆ getPerceivedBrightness()

◆ getPixelARGB()

◆ getRed()

◆ getSaturation()

◆ getSaturationHSL()

◆ greyLevel()

◆ interpolatedWith()

◆ isOpaque()

◆ isTransparent()

◆ operator!=()

◆ operator=()

◆ operator==()

◆ overlaidWith()

◆ toDisplayString()

◆ toString()

◆ withAlpha() [1/2]

◆ withAlpha() [2/2]

◆ withBrightness()

◆ withHue()

◆ withLightness()

◆ withMultipliedAlpha()

◆ withMultipliedBrightness()

◆ withMultipliedLightness()

◆ withMultipliedSaturation()

◆ withMultipliedSaturationHSL()

◆ withRotatedHue()

◆ withSaturation()

◆ withSaturationHSL()

Member Data Documentation

◆ argb