diff --git a/src/display/curve.h b/src/display/curve.h
index 9cbb115292d2bb6dbef1f8a76b9fcd6464d6a486..6697987cafe9fd2cc48a7e41486f8a66cad05bf7 100644 (file)
--- a/src/display/curve.h
+++ b/src/display/curve.h
#include <glib/gtypes.h>
#include <glib/gslist.h>
+#include <2geom/forward.h>
+
#include "libnr/nr-forward.h"
#include "libnr/nr-rect.h"
#define SP_CURVE_LENSTEP 32
-/// Wrapper around NArtBpath.
+struct SPObject;
+
+/// Wrapper around Geom::PathVector.
class SPCurve {
public:
/* Constructors */
- SPCurve(gint length = SP_CURVE_LENSTEP);
+ SPCurve(guint length = SP_CURVE_LENSTEP);
+ SPCurve(Geom::PathVector const& pathv);
static SPCurve * new_from_bpath(NArtBpath *bpath);
static SPCurve * new_from_foreign_bpath(NArtBpath const *bpath);
- static SPCurve * new_from_rect(NR::Maybe<NR::Rect> const &rect);
+ static SPCurve * new_from_rect(Geom::Rect const &rect);
virtual ~SPCurve();
- gint refcount;
- NArtBpath *_bpath;
-
- /// Index in bpath[] of NR_END element.
- gint end;
-
- /// Allocated size (i.e., capacity) of bpath[] array. Not to be confused
- /// with the SP_CURVE_LENGTH macro, which returns the logical length of
- /// the path (i.e., index of NR_END).
- gint length;
-
- /// Index in bpath[] of the start (i.e., moveto element) of the last
- /// subpath in this path.
- gint substart;
-
- /// Previous moveto position.
- /// \note This is used for coalescing moveto's, whereas if we're to
- /// conform to the SVG spec then we mustn't coalesce movetos if we have
- /// midpoint markers. Ref:
- /// http://www.w3.org/TR/SVG11/implnote.html#PathElementImplementationNotes
- /// (first subitem of the item about zero-length path segments)
- NR::Point movePos;
-
- /// True iff current point is defined. Initially false for a new curve;
- /// becomes true after moveto; becomes false on closepath. Curveto,
- /// lineto etc. require hascpt; hascpt remains true after lineto/curveto.
- bool hascpt : 1;
-
- /// True iff previous was moveto.
- bool posSet : 1;
+ void set_pathvector(Geom::PathVector const & new_pathv);
+ NArtBpath const * get_bpath() const;
+ Geom::PathVector const & get_pathvector() const;
- /// True iff bpath end is moving.
- bool moving : 1;
-
- /// True iff all subpaths are closed.
- bool closed : 1;
+ guint get_length() const;
+ guint get_segment_count() const;
SPCurve * ref();
SPCurve * unref();
SPCurve * copy() const;
GSList * split() const;
- void transform(NR::Matrix const &);
- void transform(NR::translate const &);
+ void transform(NR::Matrix const &m);
+ void transform(Geom::Matrix const &m);
void stretch_endpoints(NR::Point const &, NR::Point const &);
void move_endpoints(NR::Point const &, NR::Point const &);
+ void last_point_additive_move(Geom::Point const & p);
void reset();
+ void moveto(Geom::Point const &p);
void moveto(NR::Point const &p);
void moveto(gdouble x, gdouble y);
+ void lineto(Geom::Point const &p);
void lineto(NR::Point const &p);
void lineto(gdouble x, gdouble y);
- void lineto_moving(gdouble x, gdouble y);
+ void curveto(Geom::Point const &p0, Geom::Point const &p1, Geom::Point const &p2);
void curveto(NR::Point const &p0, NR::Point const &p1, NR::Point const &p2);
void curveto(gdouble x0, gdouble y0, gdouble x1, gdouble y1, gdouble x2, gdouble y2);
void closepath();
SPCurve * append_continuous(SPCurve const *c1, gdouble tolerance);
bool is_empty() const;
- NArtBpath * last_bpath() const;
- NArtBpath * first_bpath() const;
+ bool is_closed() const;
+ NArtBpath const * last_bpath() const;
+ Geom::Curve const * last_segment() const;
+ Geom::Path const * last_path() const;
+ Geom::Curve const * first_segment() const;
+ Geom::Path const * first_path() const;
NR::Point first_point() const;
NR::Point last_point() const;
NR::Point second_point() const;
NR::Point penultimate_point() const;
+ guint nodes_in_path() const;
void append(SPCurve const *curve2, bool use_lineto);
- SPCurve * reverse() const;
+ SPCurve * create_reverse() const;
void backspace();
static SPCurve * concat(GSList const *list);
+ void ensure_space(guint space);
+
+protected:
+ gint _refcount;
+
+ NArtBpath *_bpath;
+ Geom::PathVector _pathv;
+
+ /// Index in bpath[] of NR_END element.
+ guint _end;
+
+ /// Allocated size (i.e., capacity) of bpath[] array. Not to be confused
+ /// with the SP_CURVE_LENGTH macro, which returns the logical length of
+ /// the path (i.e., index of NR_END).
+ guint _length;
+
+ /// Index in bpath[] of the start (i.e., moveto element) of the last
+ /// subpath in this path.
+ guint _substart;
+
+ /// Previous moveto position.
+ /// \note This is used for coalescing moveto's, whereas if we're to
+ /// conform to the SVG spec then we mustn't coalesce movetos if we have
+ /// midpoint markers. Ref:
+ /// http://www.w3.org/TR/SVG11/implnote.html#PathElementImplementationNotes
+ /// (first subitem of the item about zero-length path segments)
+ NR::Point _movePos;
+
+ /// True iff current point is defined. Initially false for a new curve;
+ /// becomes true after moveto; becomes false on closepath. Curveto,
+ /// lineto etc. require hascpt; hascpt remains true after lineto/curveto.
+ bool _hascpt : 1;
+
+ /// True iff previous was moveto.
+ bool _posSet : 1;
+
+ /// True iff bpath end is moving.
+ bool _moving : 1;
+
+ /// True iff all subpaths are closed.
+ bool _closed : 1;
+
private:
// Don't implement these:
SPCurve(const SPCurve&);
SPCurve& operator=(const SPCurve&);
+
+//friends:
+ friend double sp_curve_distance_including_space(SPCurve const *const curve, double seg2len[]);
+ friend double sp_curve_nonzero_distance_including_space(SPCurve const *const curve, double seg2len[]);
+ template<class M> friend void tmpl_curve_transform(SPCurve * curve, M const &m);
};
-#define SP_CURVE_LENGTH(c) (((SPCurve const *)(c))->end)
-#define SP_CURVE_BPATH(c) (((SPCurve const *)(c))->_bpath)
-#define SP_CURVE_SEGMENT(c,i) (((SPCurve const *)(c))->_bpath + (i))
+#define SP_CURVE_LENGTH(c) (((SPCurve const *)(c))->get_length())
+#define SP_CURVE_BPATH(c) (((SPCurve const *)(c))->get_bpath())
+
#endif /* !SEEN_DISPLAY_CURVE_H */
fill-column:99
End:
*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :