feat(rpc): set_viewer_background_color

Author: JulienChampagnol

src/opengeodeweb_viewer/rpc/schemas/set_viewer_background_color.json

@@ -0,0 +1,27 @@
+{
+    "rpc": "set_viewer_background_color",
+    "type": "object",
+    "properties": {
+        "red": {
+            "type": "integer",
+            "minimum": 0,
+            "maximum": 255
+        },
+        "green": {
+            "type": "integer",
+            "minimum": 0,
+            "maximum": 255
+        },
+        "blue": {
+            "type": "integer",
+            "minimum": 0,
+            "maximum": 255
+        }
+    },
+    "required": [
+        "red",
+        "green",
+        "blue"
+    ],
+    "additionalProperties": false
+}

src/opengeodeweb_viewer/vtk_protocol.py

@@ -18,6 +18,8 @@
 
 with open(os.path.join(schemas, "create_visualization.json"), "r") as file:
     create_visualization_json = json.load(file)
+with open(os.path.join(schemas, "set_viewer_background_color.json"), "r") as file:
+    set_viewer_background_color_json = json.load(file)
 with open(os.path.join(schemas, "reset_camera.json"), "r") as file:
     reset_camera_json = json.load(file)
 with open(os.path.join(schemas, "create_object_pipeline.json"), "r") as file:
@@ -64,6 +66,20 @@ def create_visualization(self, params):
         renderWindow.Render()
         self.render()
 
+    @exportRpc(set_viewer_background_color_json["rpc"])
+    def set_viewer_background_color(self, params):
+        validate_schemas(params, set_viewer_background_color_json)
+        renderWindow = self.getView("-1")
+        renderer = renderWindow.GetRenderers().GetFirstRenderer()
+        red = params["red"]
+        green = params["green"]
+        blue = params["blue"]
+
+        renderer.SetBackground([red, green, blue])
+        renderer.ResetCamera()
+        renderWindow.Render()
+        self.render()
+
     @exportRpc(reset_camera_json["rpc"])
     def reset_camera(self, params):
         print(f"{params=}", flush=True)

src/tests/data/images/set_viewer_background_color.jpeg

@@ -10,6 +10,9 @@ def test_reset_camera(server):
     server.call("reset_camera")
     assert server.compare_image(3, "reset_camera.jpeg") == True
 
+def test_set_viewer_background_color(server):
+    server.call("set_viewer_background_color", [{"red": 0, "green": 0, "blue": 255}])
+    assert server.compare_image(3, "set_viewer_background_color.jpeg") == True
 
 def test_create_object_pipeline(server):
     server.call("create_object_pipeline", [{"id": "123456", "file_name": "hat.vtp"}])