bool
item_type_match (SPItem *item, GtkWidget *widget)
{
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if (SP_IS_RECT(item)) {
return (type_checkbox (widget, "shapes") || type_checkbox (widget, "rects"));
} else if (SP_IS_GENERICELLIPSE(item) || SP_IS_ELLIPSE(item) || SP_IS_ARC(item) || SP_IS_CIRCLE(item)) {
return (type_checkbox (widget, "shapes") || type_checkbox (widget, "ellipses"));
} else if (SP_IS_STAR(item) || SP_IS_POLYGON(item)) {
return (type_checkbox (widget, "shapes") || type_checkbox (widget, "stars"));
} else if (SP_IS_SPIRAL(item)) {
return (type_checkbox (widget, "shapes") || type_checkbox (widget, "spirals"));
} else if (SP_IS_PATH(item) || SP_IS_LINE(item) || SP_IS_POLYLINE(item)) {
return (type_checkbox (widget, "paths"));
} else if (SP_IS_TEXT(item) || SP_IS_TSPAN(item) || SP_IS_TREF(item) || SP_IS_STRING(item)) {
return (type_checkbox (widget, "texts"));
} else if (SP_IS_GROUP(item) && !desktop->isLayer(item) ) { // never select layers!
return (type_checkbox (widget, "groups"));
} else if (SP_IS_USE(item)) {
return (type_checkbox (widget, "clones"));
} else if (SP_IS_IMAGE(item)) {
return (type_checkbox (widget, "images"));
} else if (SP_IS_OFFSET(item)) {
return (type_checkbox (widget, "offsets"));
}
return false;
}
/**
* Get the selected image. Also check for any SPItems over it, in
* case the user wants SIOX pre-processing.
*/
SPImage *
Tracer::getSelectedSPImage()
{
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if (!desktop)
{
g_warning("Trace: No active desktop");
return NULL;
}
Inkscape::MessageStack *msgStack = sp_desktop_message_stack(desktop);
Inkscape::Selection *sel = sp_desktop_selection(desktop);
if (!sel)
{
char *msg = _("Select an <b>image</b> to trace");
msgStack->flash(Inkscape::ERROR_MESSAGE, msg);
//g_warning(msg);
return NULL;
}
if (sioxEnabled)
{
SPImage *img = NULL;
GSList const *list = sel->itemList();
std::vector<SPItem *> items;
sioxShapes.clear();
/*
First, things are selected top-to-bottom, so we need to invert
them as bottom-to-top so that we can discover the image and any
SPItems above it
*/
for ( ; list ; list=list->next)
{
if (!SP_IS_ITEM(list->data))
{
continue;
}
SPItem *item = SP_ITEM(list->data);
items.insert(items.begin(), item);
}
std::vector<SPItem *>::iterator iter;
for (iter = items.begin() ; iter!= items.end() ; iter++)
{
SPItem *item = *iter;
if (SP_IS_IMAGE(item))
{
if (img) //we want only one
{
char *msg = _("Select only one <b>image</b> to trace");
msgStack->flash(Inkscape::ERROR_MESSAGE, msg);
return NULL;
}
img = SP_IMAGE(item);
}
else // if (img) //# items -after- the image in tree (above it in Z)
{
if (SP_IS_SHAPE(item))
{
SPShape *shape = SP_SHAPE(item);
sioxShapes.push_back(shape);
}
}
}
if (!img || sioxShapes.size() < 1)
{
char *msg = _("Select one image and one or more shapes above it");
msgStack->flash(Inkscape::ERROR_MESSAGE, msg);
return NULL;
}
return img;
}
else
//### SIOX not enabled. We want exactly one image selected
{
SPItem *item = sel->singleItem();
if (!item)
{
char *msg = _("Select an <b>image</b> to trace"); //same as above
msgStack->flash(Inkscape::ERROR_MESSAGE, msg);
//g_warning(msg);
return NULL;
}
if (!SP_IS_IMAGE(item))
{
char *msg = _("Select an <b>image</b> to trace");
msgStack->flash(Inkscape::ERROR_MESSAGE, msg);
//g_warning(msg);
return NULL;
}
SPImage *img = SP_IMAGE(item);
return img;
}
}
