index b649a22ec78f76e1e265ccc0e9bf217ccb85d496..0c8d0afe7bfa55547518d60dd1fcd58e75574f3d 100644 (file)
--- a/src/gradient-chemistry.h
+++ b/src/gradient-chemistry.h
-#ifndef __SP_GRADIENT_CHEMISTRY_H__
-#define __SP_GRADIENT_CHEMISTRY_H__
+#ifndef SEEN_SP_GRADIENT_CHEMISTRY_H
+#define SEEN_SP_GRADIENT_CHEMISTRY_H
/*
* Various utility methods for gradients
* Author:
* Lauris Kaplinski <lauris@kaplinski.com>
* bulia byak <buliabyak@users.sf.net>
+ * Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
+ * Jon A. Cruz <jon@joncruz.org>
*
+ * Copyright (C) 2010 Authors
+ * Copyright (C) 2007 Johan Engelen
* Copyright (C) 2001-2002 Lauris Kaplinski
* Copyright (C) 2001 Ximian, Inc.
*
/*
* Get default normalized gradient vector of document, create if there is none
*/
-
-SPGradient *sp_document_default_gradient_vector (SPDocument *document, guint32 color = 0);
-SPGradient *sp_gradient_vector_for_object (SPDocument *doc, SPDesktop *desktop, SPObject *o, bool is_fill);
+SPGradient *sp_document_default_gradient_vector( SPDocument *document, SPColor const &color, bool singleStop );
+SPGradient *sp_gradient_vector_for_object( SPDocument *doc, SPDesktop *desktop, SPObject *o, bool is_fill, bool singleStop = false );
void sp_object_ensure_fill_gradient_normalized (SPObject *object);
void sp_object_ensure_stroke_gradient_normalized (SPObject *object);
@@ -49,26 +52,33 @@ SPGradient *sp_gradient_convert_to_userspace (SPGradient *gr, SPItem *item, cons
SPGradient *sp_gradient_reset_to_userspace (SPGradient *gr, SPItem *item);
SPGradient *sp_gradient_fork_vector_if_necessary (SPGradient *gr);
+SPGradient *sp_gradient_get_forked_vector_if_necessary(SPGradient *gradient, bool force_vector);
+
-SPStop* sp_first_stop(SPGradient *gradient);
SPStop* sp_last_stop(SPGradient *gradient);
-SPStop* sp_prev_stop(SPStop *stop, SPGradient *gradient);
-SPStop* sp_next_stop(SPStop *stop);
+SPStop* sp_get_stop_i(SPGradient *gradient, guint i);
+guint sp_number_of_stops(SPGradient const *gradient);
+guint sp_number_of_stops_before_stop(SPGradient const *gradient, SPStop *target);
+
+guint32 average_color (guint32 c1, guint32 c2, gdouble p = 0.5);
+
+SPStop *sp_vector_add_stop (SPGradient *vector, SPStop* prev_stop, SPStop* next_stop, gfloat offset);
-void sp_gradient_transform_multiply (SPGradient *gradient, NR::Matrix postmul, bool set);
+void sp_gradient_transform_multiply (SPGradient *gradient, Geom::Matrix postmul, bool set);
-void sp_item_gradient_set_coords (SPItem *item, guint point_num, NR::Point p_desk, bool fill_or_stroke, bool write_repr, bool scale);
-NR::Point sp_item_gradient_get_coords (SPItem *item, guint point_num, bool fill_or_stroke);
+SPGradient * sp_item_gradient (SPItem *item, bool fill_or_stroke);
+void sp_item_gradient_set_coords (SPItem *item, guint point_type, guint point_i, Geom::Point p_desk, bool fill_or_stroke, bool write_repr, bool scale);
+Geom::Point sp_item_gradient_get_coords (SPItem *item, guint point_type, guint point_i, bool fill_or_stroke);
SPGradient *sp_item_gradient_get_vector (SPItem *item, bool fill_or_stroke);
SPGradientSpread sp_item_gradient_get_spread (SPItem *item, bool fill_or_stroke);
struct SPCSSAttr;
-void sp_item_gradient_stop_set_style (SPItem *item, guint point_num, bool fill_or_stroke, SPCSSAttr *stop);
-guint32 sp_item_gradient_stop_query_style (SPItem *item, guint point_num, bool fill_or_stroke);
-void sp_item_gradient_edit_stop (SPItem *item, guint point_num, bool fill_or_stroke);
+void sp_item_gradient_stop_set_style (SPItem *item, guint point_type, guint point_i, bool fill_or_stroke, SPCSSAttr *stop);
+guint32 sp_item_gradient_stop_query_style (SPItem *item, guint point_type, guint point_i, bool fill_or_stroke);
+void sp_item_gradient_edit_stop (SPItem *item, guint point_type, guint point_i, bool fill_or_stroke);
void sp_item_gradient_reverse_vector (SPItem *item, bool fill_or_stroke);
-#endif
+#endif // SEEN_SP_GRADIENT_CHEMISTRY_H
/*
Local Variables: