Class: Cairo::PathCurveTo

Inherits:

PathData

• Object
• PathData
• Cairo::PathCurveTo

Defined in:

ext/cairo/rb_cairo_path.c

Instance Method Summary

• #initialize ⇒ Object constructor

Methods inherited from PathData

#close_path?, #curve_to?, #each, #line_to?, #move_to?, #to_a

Constructor Details

#initialize ⇒ Object

# File 'ext/cairo/rb_cairo_path.c', line 176

static VALUE
cr_path_curve_to_initialize (int argc, VALUE *argv, VALUE self)
{
  VALUE point1, point2, point3, x1, y1, x2, y2, x3, y3;
  VALUE super_argv[2];

  rb_scan_args (argc, argv, "33", &x1, &y1, &x2, &y2, &x3, &y3);

  if (argc == 3)
    {
      point1 = x1;
      point2 = y1;
      point3 = x2;
    }
  else if (argc == 6)
    {
      point1 = cr_point_new (x1, y1);
      point2 = cr_point_new (x2, y2);
      point3 = cr_point_new (x3, y3);
    }
  else
    {
      VALUE inspected_arg = rb_inspect (rb_ary_new4 (argc, argv));
      rb_raise (rb_eArgError,
                "invalid argument: %s (expect "
                "(point1, point2, point3) or "
                "(x1, y1, x2, y2, x3, y3))",
                StringValuePtr (inspected_arg));
    }

  super_argv[0] = INT2NUM (CAIRO_PATH_CURVE_TO);
  super_argv[1] = rb_ary_new3 (3, point1, point2, point3);
  rb_call_super (2, super_argv);
  return Qnil;
}