Implement support for viewing rules.

Signed-off-by: Thomas Mansencal <thomas.mansencal@gmail.com>

Author: KelSolaar

opencolorio_config_aces/config/generation/common.py

@@ -409,8 +409,7 @@ def generate_config(
 
     if data.file_rules:
         file_rules = ocio.FileRules()
-        rule_index = 0
-        for file_rule in reversed(data.file_rules):
+        for i, file_rule in enumerate(data.file_rules):
             name = file_rule["name"]
             colorspace = file_rule["colorspace"]
             regex = file_rule.get("regex")
@@ -431,8 +430,7 @@ def generate_config(
                     regex,
                     colorspace,
                 )
-                file_rules.insertRule(rule_index, name, colorspace, regex)
-                rule_index += 1
+                file_rules.insertRule(i, name, colorspace, regex)
             else:
                 LOGGER.debug(
                     'Adding "%s" file rule with "%s" pattern and "%s" '
@@ -442,15 +440,20 @@ def generate_config(
                     extension,
                     colorspace,
                 )
-                file_rules.insertRule(rule_index, name, colorspace, pattern, extension)
-                rule_index += 1
+                file_rules.insertRule(i, name, colorspace, pattern, extension)
         config.setFileRules(file_rules)
 
     if data.viewing_rules:
         viewing_rules = ocio.ViewingRules()
-        for _i, _viewing_rule in enumerate(reversed(data.viewing_rules)):
-            LOGGER.warning("Inserting a viewing rule is not supported yet!")
-            # viewing_rules.insertRule()
+        for i, viewing_rule in enumerate(data.viewing_rules):
+            name = viewing_rule["name"]
+            encodings = viewing_rule["encodings"]
+            LOGGER.debug(
+                'Adding "%s" viewing rule with "%s" encodings.', name, encodings
+            )
+            viewing_rules.insertRule(i, name)
+            for encoding in encodings:
+                viewing_rules.addEncoding(i, encoding)
         config.setViewingRules(viewing_rules)
 
     if data.default_view_transform is not None:

opencolorio_config_aces/config/reference/generate/config.py

@@ -916,6 +916,7 @@ def generate_config_aces(
                 "builtin_transform_style",
                 "linked_display_colorspace_style",
                 "interface",
+                "viewing_rule",
                 "encoding",
                 "categories",
                 "aliases",
@@ -1119,6 +1120,7 @@ def generate_config_aces(
                 "display": display_name,
                 "view": view_transform_name,
                 "view_transform": view_transform_name,
+                "rule": transform_data["viewing_rule"],
             }
             if shared_view not in shared_views:
                 LOGGER.info(
@@ -1300,6 +1302,10 @@ def ordering(element: str) -> int:
                 "colorspace": scene_reference_colorspace["name"],
             }
         ],
+        viewing_rules=[
+            {"name": "Any Scene-linear or Log", "encodings": ["log", "scene-linear"]},
+            {"name": "Any Video", "encodings": ["sdr-video", "hdr-video"]},
+        ],
         default_view_transform=untonemapped_view_transform["name"],
         profile_version=build_configuration.ocio,
     )