diff options
Diffstat (limited to 'libgnomecanvas/gnome-canvas-rect-ellipse.c')
| -rw-r--r-- | libgnomecanvas/gnome-canvas-rect-ellipse.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/libgnomecanvas/gnome-canvas-rect-ellipse.c b/libgnomecanvas/gnome-canvas-rect-ellipse.c index a848d50f8e..f3377899f8 100644 --- a/libgnomecanvas/gnome-canvas-rect-ellipse.c +++ b/libgnomecanvas/gnome-canvas-rect-ellipse.c @@ -67,7 +67,6 @@ static void gnome_canvas_re_get_property (GObject *object, GParamSpec *pspec); static void gnome_canvas_rect_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint flags); -static void gnome_canvas_ellipse_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint flags); static GnomeCanvasItemClass *re_parent_class; @@ -291,119 +290,3 @@ gnome_canvas_rect_update (GnomeCanvasItem *item, gdouble affine[6], ArtSVP *clip if (re_parent_class->update) (* re_parent_class->update) (item, affine, clip_path, flags); } - -/* Ellipse item */ - -static void gnome_canvas_ellipse_class_init (GnomeCanvasEllipseClass *class); - -GType -gnome_canvas_ellipse_get_type (void) -{ - static GType ellipse_type; - - if (!ellipse_type) { - const GTypeInfo object_info = { - sizeof (GnomeCanvasEllipseClass), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) gnome_canvas_ellipse_class_init, - (GClassFinalizeFunc) NULL, - NULL, /* class_data */ - sizeof (GnomeCanvasEllipse), - 0, /* n_preallocs */ - (GInstanceInitFunc) NULL, - NULL /* value_table */ - }; - - ellipse_type = g_type_register_static (GNOME_TYPE_CANVAS_RE, "GnomeCanvasEllipse", - &object_info, 0); - } - - return ellipse_type; -} - -static void -gnome_canvas_ellipse_class_init (GnomeCanvasEllipseClass *class) -{ - GnomeCanvasItemClass *item_class; - - item_class = (GnomeCanvasItemClass *) class; - - item_class->update = gnome_canvas_ellipse_update; -} - -#define N_PTS 90 - -static void -gnome_canvas_ellipse_update (GnomeCanvasItem *item, gdouble affine[6], ArtSVP *clip_path, gint flags) { - GnomeCanvasPathDef *path_def; - GnomeCanvasRE *re; - - re = GNOME_CANVAS_RE (item); - - if (re->path_dirty) { - gdouble cx, cy, rx, ry; - gdouble beta = 0.26521648983954400922; /* 4*(1-cos (pi/8))/(3*sin (pi/8)) */ - gdouble sincosA = 0.70710678118654752440; /* sin (pi/4), cos (pi/4) */ - gdouble dx1, dy1, dx2, dy2; - gdouble mx, my; - - path_def = gnome_canvas_path_def_new (); - - cx = (re->x2 + re->x1) * 0.5; - cy = (re->y2 + re->y1) * 0.5; - rx = re->x2 - cx; - ry = re->y2 - cy; - - dx1 = beta * rx; - dy1 = beta * ry; - dx2 = beta * rx * sincosA; - dy2 = beta * ry * sincosA; - mx = rx * sincosA; - my = ry * sincosA; - - gnome_canvas_path_def_moveto (path_def, cx + rx, cy); - gnome_canvas_path_def_curveto (path_def, - cx + rx, cy - dy1, - cx + mx + dx2, cy - my + dy2, - cx + mx, cy - my); - gnome_canvas_path_def_curveto (path_def, - cx + mx - dx2, cy - my - dy2, - cx + dx1, cy - ry, - cx, cy - ry); - gnome_canvas_path_def_curveto (path_def, - cx - dx1, cy - ry, - cx - mx + dx2, cy - my - dy2, - cx - mx, cy - my); - gnome_canvas_path_def_curveto (path_def, - cx - mx - dx2, cy - my + dy2, - cx - rx, cy - dy1, - cx - rx, cy); - - gnome_canvas_path_def_curveto (path_def, - cx - rx, cy + dy1, - cx - mx - dx2, cy + my - dy2, - cx - mx, cy + my); - gnome_canvas_path_def_curveto (path_def, - cx - mx + dx2, cy + my + dy2, - cx - dx1, cy + ry, - cx, cy + ry); - gnome_canvas_path_def_curveto (path_def, - cx + dx1, cy + ry, - cx + mx - dx2, cy + my + dy2, - cx + mx, cy + my); - gnome_canvas_path_def_curveto (path_def, - cx + mx + dx2, cy + my - dy2, - cx + rx, cy + dy1, - cx + rx, cy); - - gnome_canvas_path_def_closepath_current (path_def); - - gnome_canvas_shape_set_path_def (GNOME_CANVAS_SHAPE (item), path_def); - gnome_canvas_path_def_unref (path_def); - re->path_dirty = 0; - } - - if (re_parent_class->update) - (* re_parent_class->update) (item, affine, clip_path, flags); -} |