Accept axis coordinates dict with default in to_sliced_variable method. #63

Author: fabiocaccamo

README.md

@@ -641,10 +641,11 @@ Converts the variable font to a partial one slicing the variable axes at the giv
 If an axis value is not specified, the axis will be left untouched.
 If an axis min and max values are equal, the axis will be pinned.
 
-:param coordinates: The coordinates dictionary, each item value must be tuple/list/dict (with min and max keys) for slicing or float/int for pinning, eg.
-    {"wdth":100, "wght":(100,600), "ital":(30,70)} or
-    {"wdth":100, "wght":[100,600], "ital":[30,70]} or
-    {"wdth":100, "wght":{"min":100,"max":600}, "ital":{"min":30,"max":70}}
+:param coordinates: The coordinates dictionary, each item value must be tuple/list/dict
+    (with 'min', 'default' and 'max' keys) for slicing or float/int for pinning, eg.
+    {'wdth':100, 'wght':(100,600), 'ital':(30,65,70)} or
+    {'wdth':100, 'wght':[100,600], 'ital':[30,65,70]} or
+    {'wdth':100, 'wght':{'min':100,'max':600}, 'ital':{'min':30,'default':65,'max':70}}
 :type coordinates: dict
 :param options: The options for the fontTools.varLib.instancer
 :type options: dictionary

fontbro/font.py

@@ -1255,11 +1255,11 @@ def to_sliced_variable(self, coordinates, **options):
         If an axis value is not specified, the axis will be left untouched.
         If an axis min and max values are equal, the axis will be pinned.
 
-        :param coordinates: The coordinates dictionary, each item value must be
-            tuple/list/dict (with min and max keys) for slicing or float/int for pinning, eg.
-            {'wdth':100, 'wght':(100,600), 'ital':(30,70)} or
-            {'wdth':100, 'wght':[100,600], 'ital':[30,70]} or
-            {'wdth':100, 'wght':{'min':100,'max':600}, 'ital':{'min':30,'max':70}}
+        :param coordinates: The coordinates dictionary, each item value must be tuple/list/dict
+            (with 'min', 'default' and 'max' keys) for slicing or float/int for pinning, eg.
+            {'wdth':100, 'wght':(100,600), 'ital':(30,65,70)} or
+            {'wdth':100, 'wght':[100,600], 'ital':[30,65,70]} or
+            {'wdth':100, 'wght':{'min':100,'max':600}, 'ital':{'min':30,'default':65,'max':70}}
         :type coordinates: dict
         :param options: The options for the fontTools.varLib.instancer
         :type options: dictionary
@@ -1283,8 +1283,9 @@ def to_sliced_variable(self, coordinates, **options):
             elif isinstance(axis_value, dict):
                 axis = self.get_variable_axis_by_tag(axis_tag)
                 axis_min = axis_value.get("min", axis.get("min_value"))
+                axis_default = axis_value.get("default", axis.get("default_value"))
                 axis_max = axis_value.get("max", axis.get("max_value"))
-                axis_value = (axis_min, axis_max)
+                axis_value = (axis_min, axis_default, axis_max)
             coordinates[axis_tag] = axis_value
 
         # ensure that coordinates axes are defined and that are not all pinned