color.h File Reference

#include <cmath>
#include <cstdlib>

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Namespaces
namespace	ColorMap

Typedefs
typedef uint32_t	Color
	RGBA color.

Enumerations
enum	Value { JET , SUMMER , AUTUMN , COOL }
	Color maps that associate a color to every float from [0..1]. More...

Functions
template<typename T>
const T &	clamp (const T &value, const T &low, const T &high)
Color	generateRandomColor ()
	Generate a random color.
Color	getColor (float value, ColorMap::Value colormap=ColorMap::JET)
	Get the color for a given number in [0..1] using a given colormap.
Color	getColorFromRGB (float r, float g, float b)
	Get a color from R, G, and B values (floats).
Color	getColorFromRGB (uint8_t r, uint8_t g, uint8_t b)
	Get a color from R, G, and B values (chars).
void	getRGBFromColor (Color color, uint8_t *rgb)
	Get R, G, and B values (chars) as array from a color.

Typedef Documentation

Color

typedef uint32_t Color

RGBA color.

Definition at line 8 of file color.h.

Function Documentation

clamp()

template<typename T>

const T & clamp	(	const T &	value,
		const T &	low,
		const T &	high )

Definition at line 33 of file color.h.

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generateRandomColor()

Color generateRandomColor

(

)

Generate a random color.

Definition at line 69 of file color.h.

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getColor()

Color getColor	(	float	value,
		ColorMap::Value	colormap = ColorMap::JET )

Get the color for a given number in [0..1] using a given colormap.

Input values that are outside of the [0..1] region are clamped automatically.

See also

ColorMap

Definition at line 84 of file color.h.

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getColorFromRGB() [1/2]

Color getColorFromRGB	(	float	r,
		float	g,
		float	b )

Get a color from R, G, and B values (floats).

The input values are mapped from [0..1] to [0..255]. Input value that are outside of the [0..1] region are clamped automatically.

Definition at line 51 of file color.h.

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getColorFromRGB() [2/2]

Color getColorFromRGB	(	uint8_t	r,
		uint8_t	g,
		uint8_t	b )

Get a color from R, G, and B values (chars).

Definition at line 40 of file color.h.

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getRGBFromColor()

void getRGBFromColor	(	Color	color,
		uint8_t *	rgb )

Get R, G, and B values (chars) as array from a color.

Definition at line 60 of file color.h.