python3Packages.aggdraw: set format, add missing dependencies

pkgs/development/python-modules/aggdraw/default.nix

@@ -1,6 +1,10 @@
 { lib
 , fetchFromGitHub
 , buildPythonPackage
+, packaging
+, setuptools
+, pkgconfig
+, freetype
 , pytest
 , python
 , pillow
@@ -10,6 +14,7 @@
 buildPythonPackage rec {
   pname = "aggdraw";
   version = "1.3.16";
+  format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "pytroll";
@@ -18,6 +23,16 @@ buildPythonPackage rec {
     hash = "sha256-2yajhuRyQ7BqghbSgPClW3inpw4TW2DhgQbomcRFx94=";
   };
 
+  nativeBuildInputs = [
+    packaging
+    setuptools
+    pkgconfig
+  ];
+
+  buildInputs = [
+    freetype
+  ];
+
   nativeCheckInputs = [
     numpy
     pillow