Public Types
enum	base_scale_e { base_shift = 8, base_scale = 1 << base_shift, base_mask = base_scale - 1, base_MSB = 1 << (base_shift - 1) }

typedef int8u	value_type

typedef int32u	calc_type

typedef int32	long_type

typedef rgba8T	self_type

Public Member Functions
	rgba8T (unsigned r_, unsigned g_, unsigned b_, unsigned a_=base_mask)

	rgba8T (const rgba &c)

	rgba8T (const self_type &c, unsigned a_)

template<class T >
	rgba8T (const rgba8T< T > &c)

	operator rgba () const

AGG_INLINE bool	is_transparent () const

AGG_INLINE bool	is_opaque () const

self_type &	clear ()

self_type &	transparent ()

self_type &	opacity (double a_)

double	opacity () const

AGG_INLINE self_type &	premultiply ()

AGG_INLINE self_type &	premultiply (unsigned a_)

AGG_INLINE self_type &	demultiply ()

AGG_INLINE self_type	gradient (const self_type &c, double k) const

AGG_INLINE void	add (const self_type &c, unsigned cover)

template<class GammaLUT >
AGG_INLINE void	apply_gamma_dir (const GammaLUT &gamma)

template<class GammaLUT >
AGG_INLINE void	apply_gamma_inv (const GammaLUT &gamma)

Static Public Member Functions
static void	convert (rgba8T< linear > &dst, const rgba8T< sRGB > &src)

static void	convert (rgba8T< sRGB > &dst, const rgba8T< linear > &src)

static void	convert (rgba8T< linear > &dst, const rgba &src)

static void	convert (rgba8T< sRGB > &dst, const rgba &src)

static void	convert (rgba &dst, const rgba8T< linear > &src)

static void	convert (rgba &dst, const rgba8T< sRGB > &src)

static AGG_INLINE double	to_double (value_type a)

static AGG_INLINE value_type	from_double (double a)

static AGG_INLINE value_type	empty_value ()

static AGG_INLINE value_type	full_value ()

static AGG_INLINE value_type	invert (value_type x)

static AGG_INLINE value_type	multiply (value_type a, value_type b)

static AGG_INLINE value_type	demultiply (value_type a, value_type b)

template<typename T >
static AGG_INLINE T	downscale (T a)

template<typename T >
static AGG_INLINE T	downshift (T a, unsigned n)

static AGG_INLINE value_type	mult_cover (value_type a, cover_type b)

static AGG_INLINE cover_type	scale_cover (cover_type a, value_type b)

static AGG_INLINE value_type	prelerp (value_type p, value_type q, value_type a)

static AGG_INLINE value_type	lerp (value_type p, value_type q, value_type a)

static self_type	no_color ()

static self_type	from_wavelength (double wl, double gamma=1.0)

Detailed Description

Definition at line 246 of file agg_color_rgba.h.

The documentation for this struct was generated from the following file:

Public Types