#ifndef SEEN_SP_GRADIENT_FNS_H

#define SEEN_SP_GRADIENT_FNS_H

#include <glib/gtypes.h>

#include <glib-object.h>

#include <2geom/forward.h>

#include "sp-gradient-spread.h"

#include "sp-gradient-units.h"

class SPGradient;

namespace Inkscape {

namespace XML {

class Node;

}

}

#define SP_TYPE_GRADIENT (sp_gradient_get_type())

#define SP_GRADIENT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), SP_TYPE_GRADIENT, SPGradient))

#define SP_GRADIENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), SP_TYPE_GRADIENT, SPGradientClass))

#define SP_IS_GRADIENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), SP_TYPE_GRADIENT))

#define SP_IS_GRADIENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), SP_TYPE_GRADIENT))

#define SP_GRADIENT_STATE_IS_SET(g) (SP_GRADIENT(g)->state != SP_GRADIENT_STATE_UNKNOWN)

#define SP_GRADIENT_IS_VECTOR(g) (SP_GRADIENT(g)->state == SP_GRADIENT_STATE_VECTOR)

#define SP_GRADIENT_IS_PRIVATE(g) (SP_GRADIENT(g)->state == SP_GRADIENT_STATE_PRIVATE)

#define SP_GRADIENT_HAS_STOPS(g) (SP_GRADIENT(g)->has_stops)

#define SP_GRADIENT_SPREAD(g) (SP_GRADIENT(g)->spread)

#define SP_GRADIENT_UNITS(g) (SP_GRADIENT(g)->units)

GType sp_gradient_get_type();

void sp_gradient_ensure_vector(SPGradient *gradient);

void sp_gradient_ensure_colors(SPGradient *gradient);

void sp_gradient_set_units(SPGradient *gr, SPGradientUnits units);

void sp_gradient_set_spread(SPGradient *gr, SPGradientSpread spread);

SPGradient *sp_gradient_get_vector (SPGradient *gradient, bool force_private);

SPGradientSpread sp_gradient_get_spread (SPGradient *gradient);

void sp_gradient_repr_write_vector(SPGradient *gr);

void sp_gradient_repr_clear_vector(SPGradient *gr);

void sp_gradient_render_vector_block_rgba(SPGradient *gr, guchar *px, gint w, gint h, gint rs, gint pos, gint span, bool horizontal);

void sp_gradient_render_vector_block_rgb(SPGradient *gr, guchar *px, gint w, gint h, gint rs, gint pos, gint span, bool horizontal);

Geom::Matrix sp_gradient_get_g2d_matrix(SPGradient const *gr, Geom::Matrix const &ctm,

Geom::Rect const &bbox);

Geom::Matrix sp_gradient_get_gs2d_matrix(SPGradient const *gr, Geom::Matrix const &ctm,

Geom::Rect const &bbox);

void sp_gradient_set_gs2d_matrix(SPGradient *gr, Geom::Matrix const &ctm, Geom::Rect const &bbox,

Geom::Matrix const &gs2d);

#endif /* !SEEN_SP_GRADIENT_FNS_H */