gf::ColorRampBase< T > Struct Template Reference

A color ramp. More...

#include <gf/ColorRamp.h>

Public Member Functions
bool	isEmpty () const
	Check if the color ramp is empty. More...
void	addColorStop (T offset, const Color4< T > &color)
	Add a color stop. More...
Color4< T >	computeColor (T offset) const
	Compute a color from an offset. More...

Detailed Description

template<typename T>
struct gf::ColorRampBase< T >

A color ramp.

A color ramp (or color gradient) specifies a range of colors that depends on a position.

See also

gf::Color4f

Member Function Documentation

addColorStop()

template<typename T >

void gf::ColorRampBase< T >::addColorStop ( T  offset, const Color4< T > &  color  )

inline

Add a color stop.

Parameters

offset	The offset of the color
color	The color

computeColor()

template<typename T >

Color4<T> gf::ColorRampBase< T >::computeColor ( T  offset ) const

inline

Compute a color from an offset.

Parameters

offset

The offset of the wanted color

Returns

A color

isEmpty()

template<typename T >

bool gf::ColorRampBase< T >::isEmpty ( ) const

inline

Check if the color ramp is empty.

Returns

True if the ramp is empty