message: added information about `DrawParam` methods panicking to the docs
diff: @@ -166,6 +166,10 @@ impl DrawParam {
  }
  /// Set the dest point.
  + ///
  + /// # Panics
  + ///
  + /// Panics if `Transform` is of the `Matrix` variant.
  pub fn dest<P>(mut self, dest: P) -> Self
  where
  P: Into<mint::Point2<f32>>,
  @@ -175,6 +179,10 @@ impl DrawParam {
  }
  /// Set the `dest` and `scale` together.
  + ///
  + /// # Panics
  + ///
  + /// Panics if `Transform` is of the `Matrix` variant.
  pub fn dest_rect(self, rect: Rect) -> Self {
  self.dest(rect.point()).scale(rect.size())
  }
  @@ -187,6 +195,10 @@ impl DrawParam {
  }
  /// Set the rotation.
  + ///
  + /// # Panics
  + ///
  + /// Panics if `Transform` is of the `Matrix` variant.
  pub fn rotation(mut self, rot: f32) -> Self {
  if let Transform::Values {
  ref mut rotation, ..
  @@ -200,6 +212,10 @@ impl DrawParam {
  }
  /// Set the scaling factors.
  + ///
  + /// # Panics
  + ///
  + /// Panics if `Transform` is of the `Matrix` variant.
  pub fn scale<V>(mut self, scale_: V) -> Self
  where
  V: Into<mint::Vector2<f32>>,
  @@ -214,6 +230,10 @@ impl DrawParam {
  }
  /// Set the transformation offset.
  + ///
  + /// # Panics
  + ///
  + /// Panics if `Transform` is of the `Matrix` variant.
  pub fn offset<P>(mut self, offset_: P) -> Self
  where
  P: Into<mint::Point2<f32>>,
  