**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2008 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
case GRADIENT_INTERPOLATION_LINEAR:
layer=get_canvas_interface()->add_layer_to("linear_gradient",canvas,depth);
+ if (!layer)
+ {
+ get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+ group.cancel();
+ return;
+ }
layer->set_param("p1",p1);
get_canvas_interface()->signal_layer_param_changed()(layer,"p1");
layer->set_param("p2",p2);
break;
case GRADIENT_RADIAL:
layer=get_canvas_interface()->add_layer_to("radial_gradient",canvas,depth);
+ if (!layer)
+ {
+ get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+ group.cancel();
+ return;
+ }
layer->set_param("center",p1);
get_canvas_interface()->signal_layer_param_changed()(layer,"center");
layer->set_param("radius",(p2-p1).mag());
break;
case GRADIENT_CONICAL:
layer=get_canvas_interface()->add_layer_to("conical_gradient",canvas,depth);
+ if (!layer)
+ {
+ get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+ group.cancel();
+ return;
+ }
layer->set_param("center",p1);
get_canvas_interface()->signal_layer_param_changed()(layer,"center");
{
break;
case GRADIENT_SPIRAL:
layer=get_canvas_interface()->add_layer_to("spiral_gradient",canvas,depth);
+ if (!layer)
+ {
+ get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+ group.cancel();
+ return;
+ }
layer->set_param("center",p1);
get_canvas_interface()->signal_layer_param_changed()(layer,"center");
layer->set_param("radius",(p2-p1).mag());