void
lpetool_update_measuring_items(LpeTool *lc)
{
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
for ( std::map<SPPath *, SPCanvasItem*>::iterator i = lc->measuring_items->begin();
i != lc->measuring_items->end();
++i )
{
SPPath *path = i->first;
SPCurve *curve = path->getCurve();
Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2 = Geom::paths_to_pw(curve->get_pathvector());
Inkscape::Util::Unit const * unit = NULL;
if (prefs->getString("/tools/lpetool/unit").compare("")) {
unit = unit_table.getUnit(prefs->getString("/tools/lpetool/unit"));
} else {
unit = unit_table.getUnit("px");
}
double lengthval = Geom::length(pwd2);
lengthval = Inkscape::Util::Quantity::convert(lengthval, "px", unit);
gchar *arc_length = g_strdup_printf("%.2f %s", lengthval, unit->abbr.c_str());
sp_canvastext_set_text (SP_CANVASTEXT(i->second), arc_length);
set_pos_and_anchor(SP_CANVASTEXT(i->second), pwd2, 0.5, 10);
// TODO: must we free arc_length?
}
}
void
lpetool_create_measuring_items(LpeTool *lc, Inkscape::Selection *selection)
{
if (!selection) {
selection = lc->desktop->getSelection();
}
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
bool show = prefs->getBool("/tools/lpetool/show_measuring_info", true);
SPPath *path;
SPCurve *curve;
SPCanvasText *canvas_text;
SPCanvasGroup *tmpgrp = lc->desktop->getTempGroup();
gchar *arc_length;
double lengthval;
std::vector<SPItem*> items=selection->itemList();
for(std::vector<SPItem*>::const_iterator i=items.begin();i!=items.end();++i){
if (SP_IS_PATH(*i)) {
path = SP_PATH(*i);
curve = path->getCurve();
Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2 = paths_to_pw(curve->get_pathvector());
canvas_text = (SPCanvasText *) sp_canvastext_new(tmpgrp, lc->desktop, Geom::Point(0,0), "");
if (!show)
sp_canvas_item_hide(SP_CANVAS_ITEM(canvas_text));
Inkscape::Util::Unit const * unit = NULL;
if (prefs->getString("/tools/lpetool/unit").compare("")) {
unit = unit_table.getUnit(prefs->getString("/tools/lpetool/unit"));
} else {
unit = unit_table.getUnit("px");
}
lengthval = Geom::length(pwd2);
lengthval = Inkscape::Util::Quantity::convert(lengthval, "px", unit);
arc_length = g_strdup_printf("%.2f %s", lengthval, unit->abbr.c_str());
sp_canvastext_set_text (canvas_text, arc_length);
set_pos_and_anchor(canvas_text, pwd2, 0.5, 10);
// TODO: must we free arc_length?
(*lc->measuring_items)[path] = SP_CANVAS_ITEM(canvas_text);
}
}
}