fix tests after fixing [BUG] Rotated labels overlap with the chart #551

Author: AliMMehr

plotters/examples/console.rs

@@ -131,12 +131,13 @@ impl DrawingBackend for TextDrawingBackend {
     ) -> Result<(), DrawingErrorKind<Self::ErrorType>> {
         let (width, height) = self.estimate_text_size(text, style)?;
         let (width, height) = (width as i32, height as i32);
-        let dx = match style.anchor().h_pos {
+        let style = style.anchor().unwrap_or_default();
+        let dx = match style.h_pos {
             HPos::Left => 0,
             HPos::Right => -width,
             HPos::Center => -width / 2,
         };
-        let dy = match style.anchor().v_pos {
+        let dy = match style.v_pos {
             VPos::Top => 0,
             VPos::Center => -height / 2,
             VPos::Bottom => -height,

plotters/src/chart/context/cartesian2d/draw_impl.rs

@@ -248,7 +248,7 @@ impl<'a, DB: DrawingBackend, X: Ranged, Y: Ranged> ChartContext<'a, DB, Cartesia
             };
 
             let label_style_with_new_pos = label_style.pos(Pos::new(h_pos, v_pos));
-            let label_style = match label_style.anchor() {
+            let label_style = match label_style.pos {
                 Some(_) => label_style,
                 None => &label_style_with_new_pos,
             };