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#define __SP_POLYLINE_C__
/*
* SVG <polyline> implementation
*
* Authors:
* Lauris Kaplinski <lauris@kaplinski.com>
*
* Copyright (C) 1999-2002 Lauris Kaplinski
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "config.h"
#include "attributes.h"
#include "sp-polyline.h"
#include "display/curve.h"
#include <glibmm/i18n.h>
#include "xml/repr.h"
#include "document.h"
static void sp_polyline_class_init (SPPolyLineClass *klass);
static void sp_polyline_init (SPPolyLine *polyline);
static void sp_polyline_build (SPObject * object, SPDocument * document, Inkscape::XML::Node * repr);
static void sp_polyline_set (SPObject *object, unsigned int key, const gchar *value);
static Inkscape::XML::Node *sp_polyline_write (SPObject *object, Inkscape::XML::Node *repr, guint flags);
static gchar * sp_polyline_description (SPItem * item);
static SPShapeClass *parent_class;
GType
sp_polyline_get_type (void)
{
static GType polyline_type = 0;
if (!polyline_type) {
GTypeInfo polyline_info = {
sizeof (SPPolyLineClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) sp_polyline_class_init,
NULL, /* klass_finalize */
NULL, /* klass_data */
sizeof (SPPolyLine),
16, /* n_preallocs */
(GInstanceInitFunc) sp_polyline_init,
NULL, /* value_table */
};
polyline_type = g_type_register_static (SP_TYPE_SHAPE, "SPPolyLine", &polyline_info, (GTypeFlags)0);
}
return polyline_type;
}
static void
sp_polyline_class_init (SPPolyLineClass *klass)
{
GObjectClass * gobject_class;
SPObjectClass * sp_object_class;
SPItemClass * item_class;
gobject_class = (GObjectClass *) klass;
sp_object_class = (SPObjectClass *) klass;
item_class = (SPItemClass *) klass;
parent_class = (SPShapeClass *)g_type_class_ref (SP_TYPE_SHAPE);
sp_object_class->build = sp_polyline_build;
sp_object_class->set = sp_polyline_set;
sp_object_class->write = sp_polyline_write;
item_class->description = sp_polyline_description;
}
static void
sp_polyline_init (SPPolyLine * /*polyline*/)
{
/* Nothing here */
}
static void
sp_polyline_build (SPObject * object, SPDocument * document, Inkscape::XML::Node * repr)
{
if (((SPObjectClass *) parent_class)->build)
((SPObjectClass *) parent_class)->build (object, document, repr);
sp_object_read_attr (object, "points");
}
static void
sp_polyline_set (SPObject *object, unsigned int key, const gchar *value)
{
SPPolyLine *polyline;
polyline = SP_POLYLINE (object);
switch (key) {
case SP_ATTR_POINTS: {
SPCurve * curve;
const gchar * cptr;
char * eptr;
gboolean hascpt;
if (!value) break;
curve = new SPCurve ();
hascpt = FALSE;
cptr = value;
eptr = NULL;
while (TRUE) {
gdouble x, y;
while (*cptr != '\0' && (*cptr == ',' || *cptr == '\x20' || *cptr == '\x9' || *cptr == '\xD' || *cptr == '\xA')) {
cptr++;
}
if (!*cptr) break;
x = g_ascii_strtod (cptr, &eptr);
if (eptr == cptr) break;
cptr = eptr;
while (*cptr != '\0' && (*cptr == ',' || *cptr == '\x20' || *cptr == '\x9' || *cptr == '\xD' || *cptr == '\xA')) {
cptr++;
}
if (!*cptr) break;
y = g_ascii_strtod (cptr, &eptr);
if (eptr == cptr) break;
cptr = eptr;
if (hascpt) {
curve->lineto(x, y);
} else {
curve->moveto(x, y);
hascpt = TRUE;
}
}
sp_shape_set_curve (SP_SHAPE (polyline), curve, TRUE);
curve->unref();
break;
}
default:
if (((SPObjectClass *) parent_class)->set)
((SPObjectClass *) parent_class)->set (object, key, value);
break;
}
}
static Inkscape::XML::Node *
sp_polyline_write (SPObject *object, Inkscape::XML::Node *repr, guint flags)
{
SPPolyLine *polyline;
polyline = SP_POLYLINE (object);
if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_OBJECT_DOCUMENT(object));
repr = xml_doc->createElement("svg:polyline");
}
if (repr != SP_OBJECT_REPR (object)) {
repr->mergeFrom(SP_OBJECT_REPR (object), "id");
}
if (((SPObjectClass *) (parent_class))->write)
((SPObjectClass *) (parent_class))->write (object, repr, flags);
return repr;
}
static gchar *
sp_polyline_description(SPItem */*item*/)
{
return g_strdup(_("<b>Polyline</b>"));
}
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