Implement bore wrapper (#4)

* Implement bore wrapper

* Rename submodule to borders

* Clean up code

* Fix typing

* Fix FunctionUtil call

---------

Co-authored-by: Setsugennoao <[email protected]>

vsadjust/__init__.py

@@ -1,6 +1,7 @@
 # flake8: noqa
 
 from .colorspace import *
+from .borders import *
 from .levels import *
 from .shift import *
 from .tweaking import *

vsadjust/borders.py

@@ -0,0 +1,56 @@
+from __future__ import annotations
+
+from itertools import chain
+from typing import Sequence
+
+from vstools import CustomEnum, CustomValueError, FunctionUtil, KwargsT, PlanesT, core, vs
+
+__all__ = [
+    'bore'
+]
+
+
+class bore(CustomEnum):
+    FIX_BRIGHTNESS: bore = object()  # type:ignore
+    BALANCE: bore = object()  # type:ignore
+
+    def __call__(
+        self, clip: vs.VideoNode,
+        left: int | Sequence[int] = 0, right: int | Sequence[int] = 0,
+        top: int | Sequence[int] = 0, bottom: int | Sequence[int] = 0,
+        planes: PlanesT = None, **kwargs: KwargsT
+    ) -> vs.VideoNode:
+        func = FunctionUtil(clip, self.__class__, planes, vs.YUV, 32)
+
+        values = list(map(func.norm_seq, (left, right, top, bottom)))
+
+        if any(x < 0 for x in chain(*values)):
+            raise CustomValueError('Negative values are not allowed!', func.func)
+
+        if not any(x != 0 for x in chain(*values)):
+            return clip
+
+        try:
+            if self == self.FIX_BRIGHTNESS:
+                plugin = core.bore.FixBrightness
+            elif self == self.BALANCE:
+                plugin = core.bore.Balance
+            else:
+                raise AttributeError
+        except AttributeError:
+            raise CustomValueError(
+                'Could not find this bore function! Make sure you\'re using an up-to-date version of Bore.',
+                func.func, dict(function=self.value)
+            )
+
+        proc_clip: vs.VideoNode = func.work_clip
+
+        for plane in func.norm_planes:
+            plane_values = values[plane]
+
+            if not any(x != 0 for x in plane_values):
+                continue
+
+            proc_clip = plugin(proc_clip, *plane_values, plane=plane, **kwargs)  # type:ignore
+
+        return func.return_clip(proc_clip)