Support for layer tint colors

tests/test_data/layer_tests/all_layer_types/expected.py

@@ -14,6 +14,7 @@ EXPECTED = [
         properties={
             "test": "test property",
         },
+        tint_color=common_types.Color(170, 255, 255, 255),
         data=[
             [
                 1,
@@ -83,6 +84,7 @@ EXPECTED = [
         visible=True,
         id=4,
         parallax_factor=common_types.OrderedPair(2.3, 1.2),
+        tint_color=common_types.Color(0, 0, 255, 255),
         layers=[
             layer.ObjectLayer(
                 name="Object Layer 1",
@@ -111,6 +113,7 @@ EXPECTED = [
         id=3,
         image=Path("../../images/tile_04.png"),
         transparent_color=common_types.Color(0, 0, 0, 255),
+        tint_color=common_types.Color(255, 0, 0, 255),
     ),
     layer.ImageLayer(
         name="Image Layer 2",

tests/test_data/layer_tests/all_layer_types/map.json

@@ -18,6 +18,7 @@
                  "type":"string",
                  "value":"test property"
                 }],
+         "tintcolor":"#aaffff",
          "type":"tilelayer",
          "visible":true,
          "width":8,
@@ -53,6 +54,7 @@
          "opacity":1,
          "parallaxx":2.3,
          "parallaxy":1.2,
+         "tintcolor":"#0000ff",
          "type":"group",
          "visible":true,
          "x":0,
@@ -63,6 +65,7 @@
          "image":"..\/..\/images\/tile_04.png",
          "name":"Image Layer 1",
          "opacity":1,
+         "tintcolor":"#ff0000",
          "transparentcolor":"#000000",
          "type":"imagelayer",
          "visible":true,