class Cairo::Path - cairo-1.14.6 Documentation

# class Cairo::Path

### Public Class Methods

new() click to toggle source

    static VALUE
    cr_path_initialize (VALUE self)
    {
      cairo_path_t *path;

      path = ALLOC(cairo_path_t);
      path->status = CAIRO_STATUS_SUCCESS;
      path->data = NULL;
      path->num_data = 0;

      DATA_PTR (self) = path;
      cr_path_ensure_internal_context (self, path);

      return Qnil;
    }

### Public Instance Methods

[](p1) click to toggle source

    static VALUE
    cr_path_ref (VALUE self, VALUE index)
    {
      cairo_path_t *path = _SELF (self);
      int i, requested_index, real_index;

      requested_index = NUM2INT (index);
      if (requested_index < 0)
        {
          requested_index += cairo_path_get_size (path);
          if (requested_index < 0)
            return Qnil;
        }

      for (i = 0, real_index = 0; i < requested_index; i++)
        {
          if (real_index >= path->num_data)
            return Qnil;
          real_index += path->data[real_index].header.length;
        }

      if (real_index < path->num_data)
        return cr_path_data_to_ruby_object (&path->data[real_index]);
      else
        return Qnil;
    }

close() click to toggle source

    # File lib/cairo/path.rb, line 11
    def close
      @context.close_path
    end

each() click to toggle source

    static VALUE
    cr_path_each (VALUE self)
    {
      cairo_path_t *path = _SELF(self);
      int i;

      for (i = 0; i < path->num_data; i += path->data[i].header.length)
        {
          rb_yield (cr_path_data_to_ruby_object (&(path->data[i])));
        }

      return self;
    }

empty?() click to toggle source

    static VALUE
    cr_path_empty_p (VALUE self)
    {
      cairo_path_t *path = _SELF (self);

      return CBOOL2RVAL (path->num_data == 0);
    }

length()
Alias for: size
size() click to toggle source

    static VALUE
    cr_path_size (VALUE self)
    {
      cairo_path_t *path = _SELF (self);
      return INT2NUM (cairo_path_get_size (path));
    }

Also aliased as: length