feat: pick up matplotlib and seaborn fmt towards maidr

maidr/core/plot/heatmap.py

@@ -21,6 +21,7 @@ class HeatPlot(
 ):
     def __init__(self, ax: Axes, **kwargs) -> None:
         self._fill_label = kwargs.pop("fill_label")
+        self._fmt = kwargs.pop("fmt", ".2f")
         super().__init__(ax, PlotType.HEAT)
 
     def render(self) -> dict:
@@ -71,4 +72,4 @@ def _extract_scalar_mappable_data(
         else:
             self._support_highlighting = False
 
-        return [list(map(float, row)) for row in array]
+        return [list(map(lambda x: float(format(x, self._fmt)), row)) for row in array]

maidr/patch/heatmap.py

@@ -13,12 +13,16 @@ def heat(wrapped, _, args, kwargs) -> Axes | AxesImage:
     # Check for additional label used by MAIDR heatmap.
     fill_label = kwargs.pop("fill_label", "Fill")
 
+    _fmt = ".2f"
+    if "fmt" in kwargs:
+        _fmt = kwargs.get("fmt")
+
     # Patch `ax.imshow()` and `seaborn.heatmap`.
     plot = wrapped(*args, **kwargs)
 
     # Extract the heatmap data points for MAIDR from the plots.
     ax = FigureManager.get_axes(plot)
-    FigureManager.create_maidr(ax, PlotType.HEAT, fill_label=fill_label)
+    FigureManager.create_maidr(ax, PlotType.HEAT, fill_label=fill_label, fmt=_fmt)
 
     # Return to the caller.
     return plot