Add support for parallax origin in maps

tests/test_data/map_tests/no_layers/expected.py

@@ -10,10 +10,11 @@ EXPECTED = tiled_map.TiledMap(
     next_object_id=1,
     orientation="orthogonal",
     render_order="right-down",
-    tiled_version="1.6.0",
+    tiled_version="1.9.1",
     tile_size=common_types.Size(32, 32),
-    version="1.6",
+    version="1.9",
     background_color=common_types.Color(255, 0, 4, 255),
+    parallax_origin=common_types.OrderedPair(10, 15),
     tilesets={
         1: tileset.Tileset(
             columns=8,

tests/test_data/map_tests/no_layers/map.json

@@ -6,6 +6,8 @@
  "nextlayerid":2,
  "nextobjectid":1,
  "orientation":"orthogonal",
+ "parallaxoriginx":10,
+ "parallaxoriginy":15,
  "properties":[
         {
          "name":"bool property - true",
@@ -38,7 +40,7 @@
          "value":"Hello, World!!"
         }],
  "renderorder":"right-down",
- "tiledversion":"1.9.0",
+ "tiledversion":"1.9.1",
  "tileheight":32,
  "tilesets":[
         {

tests/test_data/map_tests/no_layers/map.tmx

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<map version="1.5" tiledversion="1.7.0" orientation="orthogonal" renderorder="right-down" compressionlevel="0" width="8" height="6" tilewidth="32" tileheight="32" infinite="0" backgroundcolor="#ff0004" nextlayerid="2" nextobjectid="1">
+<map version="1.9" tiledversion="1.9.1" orientation="orthogonal" renderorder="right-down" compressionlevel="0" width="8" height="6" tilewidth="32" tileheight="32" infinite="0" parallaxoriginx="10" parallaxoriginy="15" backgroundcolor="#ff0004" nextlayerid="2" nextobjectid="1">
  <properties>
   <property name="bool property - true" type="bool" value="true"/>
   <property name="color property" type="color" value="#ff49fcff"/>