feat: split rotation and flip icon build functions

tool/src/aurora_iconset_builder/assemblicon/lowlevel/artio.py

@@ -124,6 +124,7 @@ def link_artifact(src: Path, dst: Path) -> None:
             f'No common directory between "{src}" and "{dst}", '
             f"can not create relative symlink."
         )
+    
     # SAFETY: the symlink target must always be stored with POSIX
     # separators ("/"). On Windows, "relative_to" yields a
     # backslash-separated path, and "symlink_to" stores the target string

tool/src/aurora_iconset_builder/std_icons/action_icons.py

@@ -21,24 +21,36 @@ def register(ctx: AuroraContext) -> None:
     )
 
     ctx.register(
-        "std/action/object-flip-*",
+        "std/action/object-flip-horizontal",
         (
             SvgSource("object-flip-horizontal.svg"),
-            SvgSource("object-flip-vertical.svg"),
             FdArtSink(FdContext.Actions, "object-flip-horizontal"),
-            FdArtSink(FdContext.Actions, "object-flip-vertical"),
         ),
-        build_object_flip_icons,
+        build_object_flip_horizontal_icon,
     )
     ctx.register(
-        "std/action/object-rotate-*",
+        "std/action/object-flip-vertical",
+        (
+            SvgSource("object-flip-vertical.svg"),
+            FdArtSink(FdContext.Actions, "object-flip-vertical"),
+        ),
+        build_object_flip_vertical_icon,
+    )
+    ctx.register(
+        "std/action/object-rotate-left",
         (
             SvgSource("object-rotate-left.svg"),
-            SvgSource("object-rotate-right.svg"),
             FdArtSink(FdContext.Actions, "object-rotate-left"),
+        ),
+        build_object_rotate_left_icon,
+    )
+    ctx.register(
+        "std/action/object-rotate-right",
+        (
+            SvgSource("object-rotate-right.svg"),
             FdArtSink(FdContext.Actions, "object-rotate-right"),
         ),
-        build_object_rotate_icons,
+        build_object_rotate_right_icon,
     )
 
     ctx.register(
@@ -92,34 +104,32 @@ def build_go_icons(
             go_mask = go_mask.transpose(PIL.Image.Transpose.ROTATE_90)
 
 
-def build_object_flip_icons(
-    env: AuroraEnvironment,
-    horizontal_src: SvgSource,
-    vertical_src: SvgSource,
-    horizontal_sink: FdArtSink,
-    vertical_sink: FdArtSink,
+def build_object_flip_horizontal_icon(
+    env: AuroraEnvironment, src: SvgSource, sink: FdArtSink
 ) -> None:
-    art = horizontal_src.pull(env)
-    with art:
-        horizontal_sink.push(env, art)
-    art = vertical_src.pull(env)
-    with art:
-        vertical_sink.push(env, art)
+    with src.pull(env) as art:
+        sink.push(env, art)
 
 
-def build_object_rotate_icons(
-    env: AuroraEnvironment,
-    left_src: SvgSource,
-    right_src: SvgSource,
-    left_sink: FdArtSink,
-    right_sink: FdArtSink,
+def build_object_flip_vertical_icon(
+    env: AuroraEnvironment, src: SvgSource, sink: FdArtSink
 ) -> None:
-    art = left_src.pull(env)
-    with art:
-        left_sink.push(env, art)
-    art = right_src.pull(env)
-    with art:
-        right_sink.push(env, art)
+    with src.pull(env) as art:
+        sink.push(env, art)
+
+
+def build_object_rotate_left_icon(
+    env: AuroraEnvironment, src: SvgSource, sink: FdArtSink
+) -> None:
+    with src.pull(env) as art:
+        sink.push(env, art)
+
+
+def build_object_rotate_right_icon(
+    env: AuroraEnvironment, src: SvgSource, sink: FdArtSink
+) -> None:
+    with src.pull(env) as art:
+        sink.push(env, art)
 
 
 def build_zoom_origin_and_fit_best_icons(