Allows External fonts to be specified by filename

Author: makermelissa

adafruit_pybadger.py

@@ -58,6 +58,7 @@
 import analogio
 from adafruit_display_shapes.rect import Rect
 from adafruit_display_text.label import Label
+from adafruit_bitmap_font import bitmap_font
 import terminalio
 import adafruit_miniqr
 import adafruit_lis3dh
@@ -67,6 +68,16 @@
 
 Buttons = namedtuple("Buttons", "b a start select right down up left")
 
+def load_font(fontname, text):
+    """Load a font and glyphs in the text string
+
+    :param str fontname: The full path to the font file.
+    :param str text: The text containing the glyphs we want to load.
+
+    """
+    font = bitmap_font.load_font(fontname)
+    font.load_glyphs(text.encode('utf-8'))
+    return font
 
 # pylint: disable=too-many-instance-attributes
 class PyBadger:
@@ -258,6 +269,8 @@ def show_business_card(self, *, image_name=None, name_string=None, name_scale=1,
             except AttributeError:
                 self.display.wait_for_frame()
         if name_string:
+            if isinstance(name_font, str):
+                name_font = load_font(name_font, name_string)
             name_group = displayio.Group(scale=name_scale)
             name_label = Label(name_font, text=name_string)
             (_, _, width, _) = name_label.bounding_box
@@ -267,6 +280,8 @@ def show_business_card(self, *, image_name=None, name_string=None, name_scale=1,
             name_group.append(name_label)
             business_card_splash.append(name_group)
         if email_string_one:
+            if isinstance(email_font_one, str):
+                email_font_one = load_font(email_font_one, email_string_one)
             email_group_one = displayio.Group(scale=email_scale_one)
             email_label_one = Label(email_font_one, text=email_string_one)
             (_, _, width, _) = email_label_one.bounding_box
@@ -277,6 +292,8 @@ def show_business_card(self, *, image_name=None, name_string=None, name_scale=1,
             email_group_one.append(email_label_one)
             business_card_splash.append(email_group_one)
         if email_string_two:
+            if isinstance(email_font_two, str):
+                email_font_two = load_font(email_font_two, email_string_two)
             email_group_two = displayio.Group(scale=email_scale_two)
             email_label_two = Label(email_font_two, text=email_string_two)
             (_, _, width, _) = email_label_two.bounding_box
@@ -329,6 +346,8 @@ def show_badge(self, *, background_color=0xFF0000, foreground_color=0xFFFFFF,
                     (int(self.display.height * 0.5)), fill=foreground_color)
         splash.append(rect)
 
+        if isinstance(hello_font, str):
+            hello_font = load_font(hello_font, hello_string)
         hello_group = displayio.Group(scale=hello_scale)
         hello_label = Label(font=hello_font, text=hello_string)
         (_, _, width, _) = hello_label.bounding_box
@@ -337,6 +356,8 @@ def show_badge(self, *, background_color=0xFF0000, foreground_color=0xFFFFFF,
         hello_label.color = background_text_color
         hello_group.append(hello_label)
 
+        if isinstance(my_name_is_font, str):
+            my_name_is_font = load_font(my_name_is_font, my_name_is_string)
         my_name_is_group = displayio.Group(scale=my_name_is_scale)
         my_name_is_label = Label(font=my_name_is_font, text=my_name_is_string)
         (_, _, width, _) = my_name_is_label.bounding_box
@@ -345,6 +366,8 @@ def show_badge(self, *, background_color=0xFF0000, foreground_color=0xFFFFFF,
         my_name_is_label.color = background_text_color
         my_name_is_group.append(my_name_is_label)
 
+        if isinstance(name_font, str):
+            name_font = load_font(name_font, name_string)
         name_group = displayio.Group(scale=name_scale)
         name_label = Label(font=name_font, text=name_string, line_spacing=0.75)
         (_, _, width, _) = name_label.bounding_box