Add outline option for rendering fonts

buildconfig/stubs/pygame/font.pyi

@@ -56,6 +56,14 @@ class Font:
     def point_size(self) -> int: ...
     @point_size.setter
     def point_size(self, value: int) -> None: ...
+    @property
+    def outline_width(self) -> int: ...
+    @outline_width.setter
+    def outline_width(self, value: int) -> None: ...
+    @property
+    def outline_color(self) -> ColorValue: ...
+    @outline_color.setter
+    def outline_color(self, value: ColorValue) -> None: ...
     def __init__(self, filename: Optional[FileArg] = None, size: int = 20) -> None: ...
     def render(
         self,

docs/reST/ref/font.rst

@@ -306,6 +306,30 @@ solves no longer exists, it will likely be removed in the future.
 
       .. ## Font.point_size ##
 
+   .. attribute:: outline_width
+
+      | :sl:`Gets or sets the font's outline radius size`
+      | :sg:`outline_width -> int`
+
+      Gets or sets the radius size of the outline in pixels defaulting to 0.
+
+      If the value is set to 0, it shows no outline.
+
+      .. versionadded:: 2.5.0
+
+      .. ## Font.outline_width ##
+
+   .. attribute:: outline_color
+
+      | :sl:`Gets or sets the font's outline color`
+      | :sg:`outline_width -> RGB`
+
+      Gets or sets the color of the outline defaulting to (0, 0, 0, 255)
+
+      .. versionadded:: 2.5.0
+
+      .. ## Font.outline_color ##
+
    .. method:: render
 
       | :sl:`draw text on a new Surface`

src_c/doc/font_doc.h

@@ -17,6 +17,8 @@
 #define DOC_FONT_FONT_STRIKETHROUGH "strikethrough -> bool\nGets or sets whether the font should be rendered with a strikethrough."
 #define DOC_FONT_FONT_ALIGN "align -> int\nSet how rendered text is aligned when given a wrap length."
 #define DOC_FONT_FONT_POINTSIZE "point_size -> int\nGets or sets the font's point size"
+#define DOC_FONT_FONT_OUTLINEWIDTH "outline_width -> int\nGets or sets the font's outline radius size"
+#define DOC_FONT_FONT_OUTLINECOLOR "outline_width -> RGB\nGets or sets the font's outline color"
 #define DOC_FONT_FONT_RENDER "render(text, antialias, color, bgcolor=None, wraplength=0) -> Surface\ndraw text on a new Surface"
 #define DOC_FONT_FONT_SIZE "size(text, /) -> (width, height)\ndetermine the amount of space needed to render text"
 #define DOC_FONT_FONT_SETUNDERLINE "set_underline(bool, /) -> None\ncontrol if text is rendered with an underline"