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Viewing changes to src/goocanvaspolyline.c

  • Committer: Bazaar Package Importer
  • Author(s): Jose Carlos Garcia Sogo
  • Date: 2007-05-14 22:49:11 UTC
  • mfrom: (1.1.2 upstream)
  • Revision ID: james.westby@ubuntu.com-20070514224911-vyv39khpicv46oe2
Tags: 0.8-2
http://bugs.debian.org/423410
Link gtk-doc to /usr/share/doc/libgoocanvas-dev (Closes: #423410)

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Lines of Context:
src/goocanvaspolyline.c
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  GooCanvasItemSimple *simple = (GooCanvasItemSimple*) object;
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  GooCanvasPolyline *polyline = (GooCanvasPolyline*) object;
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  if (!simple->model)
 
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  /* Free our data if we didn't have a model. (If we had a model it would
 
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     have been reset in dispose() and simple_data will be NULL.) */
 
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  if (simple->simple_data)
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    {
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      g_slice_free1 (polyline->polyline_data->num_points * 2 * sizeof (gdouble),
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                     polyline->polyline_data->coords);
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}
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static GooCanvasItem*
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goo_canvas_polyline_get_item_at (GooCanvasItemSimple *simple,
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                                 gdouble              x,
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                                 gdouble              y,
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                                 cairo_t             *cr,
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                                 gboolean             is_pointer_event)
 
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static gboolean
 
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goo_canvas_polyline_is_item_at (GooCanvasItemSimple *simple,
 
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                                gdouble              x,
 
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                                gdouble              y,
 
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                                cairo_t             *cr,
 
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                                gboolean             is_pointer_event)
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{
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  GooCanvasItemSimpleData *simple_data = simple->simple_data;
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  GooCanvasPolyline *polyline = (GooCanvasPolyline*) simple;
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  GooCanvasPolylineData *polyline_data = polyline->polyline_data;
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  GooCanvasItem *found_item = NULL;
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  GooCanvasPointerEvents pointer_events = GOO_CANVAS_EVENTS_ALL;
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  gboolean do_stroke;
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  cairo_matrix_t matrix;
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  if (polyline_data->num_points == 0)
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    return NULL;
 
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    return FALSE;
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  /* Check if the item should receive events. */
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  if (is_pointer_event)
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    pointer_events = simple_data->pointer_events;
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  /* Remove any current translation, to avoid the 16-bit cairo limit. */
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  cairo_get_matrix (cr, &matrix);
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  matrix.x0 = matrix.y0 = 0.0;
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  cairo_set_matrix (cr, &matrix);
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  goo_canvas_polyline_create_path (polyline, cr);
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  if (goo_canvas_item_simple_check_in_path (simple, x, y, cr, pointer_events))
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    found_item = (GooCanvasItem*) simple;
 
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    return TRUE;
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  /* Check the arrows, if the polyline has them. */
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  if (!found_item && (polyline_data->start_arrow || polyline_data->end_arrow)
 
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  if ((polyline_data->start_arrow || polyline_data->end_arrow)
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      && polyline_data->num_points >= 2
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      && (pointer_events & GOO_CANVAS_EVENTS_STROKE_MASK))
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    {
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            {
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              goo_canvas_polyline_create_start_arrow_path (polyline, cr);
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              if (cairo_in_fill (cr, x, y))
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                found_item = (GooCanvasItem*) simple;
 
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                return TRUE;
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            }
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          if (!found_item && polyline_data->end_arrow)
 
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          if (polyline_data->end_arrow)
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            {
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              goo_canvas_polyline_create_end_arrow_path (polyline, cr);
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              if (cairo_in_fill (cr, x, y))
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                found_item = (GooCanvasItem*) simple;
 
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                return TRUE;
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            }
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        }
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    }
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  return found_item;
 
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  return FALSE;
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}
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static void
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goo_canvas_polyline_paint (GooCanvasItemSimple *simple,
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                           cairo_t             *cr,
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                           GooCanvasBounds     *bounds)
 
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goo_canvas_polyline_paint (GooCanvasItemSimple   *simple,
 
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                           cairo_t               *cr,
 
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                           const GooCanvasBounds *bounds)
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{
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  GooCanvasItemSimpleData *simple_data = simple->simple_data;
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  GooCanvasPolyline *polyline = (GooCanvasPolyline*) simple;
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  GObjectClass *gobject_class = (GObjectClass*) klass;
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  GooCanvasItemSimpleClass *simple_class = (GooCanvasItemSimpleClass*) klass;
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  gobject_class->finalize = goo_canvas_polyline_finalize;
 
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  gobject_class->finalize  = goo_canvas_polyline_finalize;
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  gobject_class->get_property = goo_canvas_polyline_get_property;
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  gobject_class->set_property = goo_canvas_polyline_set_property;
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  simple_class->simple_update        = goo_canvas_polyline_update;
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  simple_class->simple_paint         = goo_canvas_polyline_paint;
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  simple_class->simple_get_item_at   = goo_canvas_polyline_get_item_at;
 
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  simple_class->simple_is_item_at    = goo_canvas_polyline_is_item_at;
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  goo_canvas_polyline_install_common_properties (gobject_class);
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}