+ Real x_min, x_max, y_min, y_max;
+ if (p1[0] < p2[0]) { x_min = p1[0]; x_max = p2[0]; } else { x_min = p2[0]; x_max = p1[0]; }
+ if (p1[1] < p2[1]) { y_min = p1[1]; y_max = p2[1]; } else { y_min = p2[1]; y_max = p1[1]; }
+ x_min -= get_expand(); x_max += get_expand(); y_min -= get_expand(); y_max += get_expand();
+
+ std::vector<BLinePoint> new_list;
+ for (int i = 0; i < 4; i++)
+ {
+ new_list.push_back(*(new BLinePoint));
+ new_list[i].set_width(1);
+ new_list[i].set_vertex(Point((i==0||i==3)?x_min:x_max,
+ (i==0||i==1)?y_min:y_max));
+ new_list[i].set_tangent(Point(0,0));
+ }
+
+ ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
+ assert(value_node_bline);
+
+ ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(Vector()));
+ assert(value_node_origin);
+
+ // Set the looping flag
+ value_node_bline->set_loop(true);
+
+ if(!canvas)
+ canvas=get_canvas_view()->get_canvas();
+
+ value_node_bline->set_member_canvas(canvas);
+
+ // count how many layers we're going to be creating
+ int layers_to_create = this->layers_to_create();
+
+ ///////////////////////////////////////////////////////////////////////////
+ // R E C T A N G L E
+ ///////////////////////////////////////////////////////////////////////////
+
+ if (get_layer_rectangle_flag())
+ {
+ layer=get_canvas_interface()->add_layer_to("rectangle",canvas,depth);
+ if (!layer)
+ {
+ get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+ group.cancel();
+ return;
+ }
+ layer_selection.push_back(layer);
+
+ layer->set_param("point1",p1);
+ get_canvas_interface()->signal_layer_param_changed()(layer,"point1");
+
+ layer->set_param("point2",p2);
+ get_canvas_interface()->signal_layer_param_changed()(layer,"point2");
+
+ layer->set_param("expand",get_expand());
+ get_canvas_interface()->signal_layer_param_changed()(layer,"expand");
+
+ layer->set_param("invert",get_invert());
+ get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
+
+ layer->set_description(get_id());
+ get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
+ }
+
+ ///////////////////////////////////////////////////////////////////////////
+ // C U R V E G R A D I E N T
+ ///////////////////////////////////////////////////////////////////////////
+
+ if(get_layer_curve_gradient_flag())
+ {
+ synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
+
+ Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
+ if (!layer)
+ {
+ get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+ group.cancel();
+ return;
+ }
+ layer_selection.push_back(layer);
+ layer->set_description(get_id()+_(" Gradient"));
+ get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
+
+ {
+ synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
+ assert(action);
+
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("layer",layer);
+ if(!action->set_param("param",String("bline")))
+ synfig::error("LayerParamConnect didn't like \"param\"");
+ if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
+ synfig::error("LayerParamConnect didn't like \"value_node\"");
+
+ if(!get_canvas_interface()->get_instance()->perform_action(action))
+ {
+ //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
+ group.cancel();
+ throw String(_("Unable to create Gradient layer"));
+ return;
+ }
+ }
+
+ // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
+ if (get_layer_link_origins_flag() && layers_to_create > 1)
+ {
+ synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
+ assert(action);
+
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("layer",layer);
+ if(!action->set_param("param",String("origin")))
+ synfig::error("LayerParamConnect didn't like \"param\"");
+ if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
+ synfig::error("LayerParamConnect didn't like \"value_node\"");
+
+ if(!get_canvas_interface()->get_instance()->perform_action(action))
+ {
+ //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
+ group.cancel();
+ throw String(_("Unable to create Gradient layer"));
+ return;
+ }
+ }
+ }
+
+ ///////////////////////////////////////////////////////////////////////////
+ // P L A N T
+ ///////////////////////////////////////////////////////////////////////////
+
+ if(get_layer_plant_flag())
+ {
+ synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
+
+ Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
+ if (!layer)
+ {
+ get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+ group.cancel();
+ return;
+ }
+ layer_selection.push_back(layer);
+ layer->set_description(get_id()+_(" Plant"));
+ get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
+
+ {
+ synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
+ assert(action);
+
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("layer",layer);
+ if(!action->set_param("param",String("bline")))
+ synfig::error("LayerParamConnect didn't like \"param\"");
+ if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
+ synfig::error("LayerParamConnect didn't like \"value_node\"");
+
+ if(!get_canvas_interface()->get_instance()->perform_action(action))
+ {
+ //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
+ group.cancel();
+ throw String(_("Unable to create Plant layer"));
+ return;
+ }
+ }
+
+ // only link the plant's origin parameter if the option is selected and we're creating more than one layer
+ if (get_layer_link_origins_flag() && layers_to_create > 1)
+ {
+ synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
+ assert(action);
+
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("layer",layer);
+ if(!action->set_param("param",String("origin")))
+ synfig::error("LayerParamConnect didn't like \"param\"");
+ if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
+ synfig::error("LayerParamConnect didn't like \"value_node\"");
+
+ if(!get_canvas_interface()->get_instance()->perform_action(action))
+ {
+ //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
+ group.cancel();
+ throw String(_("Unable to create Plant layer"));
+ return;
+ }
+ }
+ }
+
+ ///////////////////////////////////////////////////////////////////////////
+ // R E G I O N
+ ///////////////////////////////////////////////////////////////////////////
+
+ if(get_layer_region_flag())
+ {
+ synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
+
+ Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
+ if (!layer)
+ {
+ get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+ group.cancel();
+ return;
+ }
+ layer_selection.push_back(layer);
+ layer->set_description(get_id()+_(" Region"));
+ get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
+
+ layer->set_param("feather",get_feather());
+ get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
+
+ layer->set_param("invert",get_invert());
+ get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
+
+ // I don't know if it's safe to reuse the same LayerParamConnect action, so I'm
+ // using 2 separate ones.
+ {
+ synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
+ assert(action);
+
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("layer",layer);
+ if(!action->set_param("param",String("bline")))
+ synfig::error("LayerParamConnect didn't like \"param\"");
+ if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
+ synfig::error("LayerParamConnect didn't like \"value_node\"");
+
+ if(!get_canvas_interface()->get_instance()->perform_action(action))
+ {
+ //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
+ group.cancel();
+ throw String(_("Unable to create Region layer"));
+ return;
+ }
+ }
+
+ // only link the region's origin parameter if the option is selected and we're creating more than one layer
+ if (get_layer_link_origins_flag() && layers_to_create > 1)
+ {
+ synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
+ assert(action);
+
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("layer",layer);
+ if(!action->set_param("param",String("origin")))
+ synfig::error("LayerParamConnect didn't like \"param\"");
+ if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
+ synfig::error("LayerParamConnect didn't like \"value_node\"");
+
+ if(!get_canvas_interface()->get_instance()->perform_action(action))
+ {
+ //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
+ group.cancel();
+ throw String(_("Unable to create Region layer"));
+ return;
+ }
+ }
+ }
+
+ ///////////////////////////////////////////////////////////////////////////
+ // O U T L I N E
+ ///////////////////////////////////////////////////////////////////////////
+
+ if (get_layer_outline_flag())
+ {
+ Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
+ if (!layer)
+ {
+ get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+ group.cancel();
+ return;
+ }
+ layer_selection.push_back(layer);
+ layer->set_description(get_id()+_(" Outline"));
+ get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
+
+ layer->set_param("feather",get_feather());
+ get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
+
+ layer->set_param("invert",get_invert());
+ get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
+
+ {
+ synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
+ assert(action);
+
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("layer",layer);
+ if(!action->set_param("param",String("bline")))
+ synfig::error("LayerParamConnect didn't like \"param\"");
+ if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
+ synfig::error("LayerParamConnect didn't like \"value_node\"");
+
+ if(!get_canvas_interface()->get_instance()->perform_action(action))
+ {
+ //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
+ group.cancel();
+ throw String(_("Unable to create Outline layer"));
+ return;
+ }
+ }
+
+ // only link the outline's origin parameter if the option is selected and we're creating more than one layer
+ if (get_layer_link_origins_flag() && layers_to_create > 1)
+ {
+ synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
+ assert(action);
+
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("layer",layer);
+ if(!action->set_param("param",String("origin")))
+ synfig::error("LayerParamConnect didn't like \"param\"");
+ if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
+ synfig::error("LayerParamConnect didn't like \"value_node\"");
+
+ if(!get_canvas_interface()->get_instance()->perform_action(action))
+ {
+ //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
+ group.cancel();
+ throw String(_("Unable to create Outline layer"));
+ return;
+ }
+ }
+ }
+
+ egress_on_selection_change=false;