synfig::Gradient Class Reference

Color Gradient Class. More...

#include <gradient.h>

Public Types
typedef GradientCPoint	CPoint
typedef vector< CPoint >	CPointList
typedef CPointList::const_iterator	const_iterator
typedef CPointList::iterator	iterator
typedef CPointList::const_reverse_iterator	const_reverse_iterator
typedef CPointList::reverse_iterator	reverse_iterator

Public Member Functions
	Gradient ()
	Gradient (const Color &c1, const Color &c2)
	Two-Tone Color Gradient Convenience Constructor.
	Gradient (const Color &c1, const Color &c2, const Color &c3)
	Three-Tone Color Gradient Convenience Constructor.
void	sync ()
	Alias for sort (Implemented for consistency)
void	sort ()
	You should call this function after changing stuff.
void	push_back (const CPoint cpoint)
iterator	erase (iterator iter)
bool	empty () const
size_t	size () const
iterator	begin ()
iterator	end ()
reverse_iterator	rbegin ()
reverse_iterator	rend ()
const_iterator	begin () const
const_iterator	end () const
const_reverse_iterator	rbegin () const
const_reverse_iterator	rend () const
Gradient &	operator+= (const Gradient &rhs)
Gradient &	operator-= (const Gradient &rhs)
Gradient &	operator*= (const float &rhs)
Gradient &	operator/= (const float &rhs)
Gradient	operator+ (const Gradient &rhs) const
Gradient	operator- (const Gradient &rhs) const
Gradient	operator* (const float &rhs) const
Gradient	operator/ (const float &rhs) const
Color	operator() (const Real &x, float supersample=0) const
Real	mag () const
iterator	proximity (const Real &x)
	Returns the iterator of the CPoint closest to x.
const_iterator	proximity (const Real &x) const
	Returns the const_iterator of the CPoint closest to x.
iterator	find (const UniqueID &id)
	Returns the iterator of the CPoint with UniqueID id.
const_iterator	find (const UniqueID &id) const
	Returns the const_iterator of the CPoint with UniqueID id.

Detailed Description

Color Gradient Class.

Member Typedef Documentation

typedef GradientCPoint synfig::Gradient::CPoint

typedef vector<CPoint> synfig::Gradient::CPointList

typedef CPointList::const_iterator synfig::Gradient::const_iterator

typedef CPointList::iterator synfig::Gradient::iterator

typedef CPointList::const_reverse_iterator synfig::Gradient::const_reverse_iterator

typedef CPointList::reverse_iterator synfig::Gradient::reverse_iterator

Constructor & Destructor Documentation

synfig::Gradient::Gradient ( )

inline

synfig::Gradient::Gradient	(	const Color &	c1,
		const Color &	c2
	)

Two-Tone Color Gradient Convenience Constructor.

synfig::Gradient::Gradient	(	const Color &	c1,
		const Color &	c2,
		const Color &	c3
	)

Three-Tone Color Gradient Convenience Constructor.

Member Function Documentation

void synfig::Gradient::sync ( )

inline

Alias for sort (Implemented for consistency)

void synfig::Gradient::sort

(

)

You should call this function after changing stuff.

Referenced by encode_gradient().

void synfig::Gradient::push_back ( const CPoint  cpoint )

inline

Referenced by clamped_tangent< Gradient >(), synfig::ValueNode_Stripes::operator()(), synfig::ValueNode_Repeat_Gradient::operator()(), and reverse_value().

iterator synfig::Gradient::erase ( iterator  iter )

inline

bool synfig::Gradient::empty ( ) const

inline

size_t synfig::Gradient::size ( ) const

inline

iterator synfig::Gradient::begin ( )

inline

Referenced by encode_gradient(), synfig::ValueNode_GradientRotate::operator()(), synfig::ValueNode_Repeat_Gradient::operator()(), and operator+=().

iterator synfig::Gradient::end ( )

inline

Referenced by encode_gradient(), synfig::ValueNode_GradientRotate::operator()(), synfig::ValueNode_Repeat_Gradient::operator()(), and operator+=().

reverse_iterator synfig::Gradient::rbegin ( )

inline

Referenced by synfig::ValueNode_Repeat_Gradient::operator()(), and reverse_value().

reverse_iterator synfig::Gradient::rend ( )

inline

Referenced by synfig::ValueNode_Repeat_Gradient::operator()(), and reverse_value().

const_iterator synfig::Gradient::begin ( ) const

inline

const_iterator synfig::Gradient::end ( ) const

inline

const_reverse_iterator synfig::Gradient::rbegin ( ) const

inline

const_reverse_iterator synfig::Gradient::rend ( ) const

inline

Gradient & synfig::Gradient::operator+=

(

const Gradient &

rhs

)

References begin(), synfig::GradientCPoint::color, end(), synfig::GradientCPoint::pos, and show_gradient().

Gradient & synfig::Gradient::operator-=

(

const Gradient &

rhs

)

Gradient & synfig::Gradient::operator*=

(

const float &

rhs

)

Gradient & synfig::Gradient::operator/=

(

const float &

rhs

)

Gradient synfig::Gradient::operator+ ( const Gradient &  rhs ) const

inline

Gradient synfig::Gradient::operator- ( const Gradient &  rhs ) const

inline

Gradient synfig::Gradient::operator* ( const float &  rhs ) const

inline

Gradient synfig::Gradient::operator/ ( const float &  rhs ) const

inline

Color synfig::Gradient::operator()	(	const Real &	x,
		float	supersample = 0
	)		const

As a future optimization, this could be performed faster using a binary search.

References synfig::error(), synfig::ColorAccumulator::get_a(), synfig::ColorAccumulator::get_b(), synfig::ColorAccumulator::get_g(), synfig::ColorAccumulator::get_r(), synfig::ColorAccumulator::is_valid(), isnan, synfig::Color::premult_alpha(), synfig::ColorAccumulator::set_b(), synfig::ColorAccumulator::set_g(), synfig::ColorAccumulator::set_r(), and supersample_helper().

Real synfig::Gradient::mag

(

)

const

synfig::Gradient::iterator synfig::Gradient::proximity

(

const Real &

x

)

Returns the iterator of the CPoint closest to x.

References std::abs().

synfig::Gradient::const_iterator synfig::Gradient::proximity

(

const Real &

x

)

const

Returns the const_iterator of the CPoint closest to x.

synfig::Gradient::iterator synfig::Gradient::find

(

const UniqueID &

id

)

Returns the iterator of the CPoint with UniqueID id.

synfig::Gradient::const_iterator synfig::Gradient::find

(

const UniqueID &

id

)

const

Returns the const_iterator of the CPoint with UniqueID id.

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

• gradient.h
• gradient.cpp