fix(constants.py,image_mobject.py,opengl_image_mobject.py): Update deprecated pillow constants (#2715)

Author: MrDiver

manim/constants.py

@@ -6,7 +6,7 @@
 
 import numpy as np
 from cloup import Context
-from PIL import Image
+from PIL.Image import Resampling
 
 __all__ = [
     "NOT_SETTING_FONT_MSG",
@@ -113,16 +113,16 @@
 ULTRAHEAVY: str = "ULTRAHEAVY"
 
 RESAMPLING_ALGORITHMS = {
-    "nearest": Image.NEAREST,
-    "none": Image.NEAREST,
-    "lanczos": Image.LANCZOS,
-    "antialias": Image.LANCZOS,
-    "bilinear": Image.BILINEAR,
-    "linear": Image.BILINEAR,
-    "bicubic": Image.BICUBIC,
-    "cubic": Image.BICUBIC,
-    "box": Image.BOX,
-    "hamming": Image.HAMMING,
+    "nearest": Resampling.NEAREST,
+    "none": Resampling.NEAREST,
+    "lanczos": Resampling.LANCZOS,
+    "antialias": Resampling.LANCZOS,
+    "bilinear": Resampling.BILINEAR,
+    "linear": Resampling.BILINEAR,
+    "bicubic": Resampling.BICUBIC,
+    "cubic": Resampling.BICUBIC,
+    "box": Resampling.BOX,
+    "hamming": Resampling.HAMMING,
 }
 
 # Geometry: directions

manim/mobject/opengl/opengl_image_mobject.py

@@ -8,6 +8,7 @@
 
 import numpy as np
 from PIL import Image
+from PIL.Image import Resampling
 
 from manim.mobject.opengl.opengl_surface import OpenGLSurface, OpenGLTexturedSurface
 from manim.utils.images import get_full_raster_image_path
@@ -20,7 +21,7 @@ def __init__(
         width: float = None,
         height: float = None,
         image_mode: str = "RGBA",
-        resampling_algorithm: int = Image.BICUBIC,
+        resampling_algorithm: int = Resampling.BICUBIC,
         opacity: float = 1,
         gloss: float = 0,
         shadow: float = 0,

manim/mobject/types/image_mobject.py

@@ -9,6 +9,7 @@
 import colour
 import numpy as np
 from PIL import Image
+from PIL.Image import Resampling
 
 from manim.mobject.geometry.shape_matchers import SurroundingRectangle
 
@@ -38,7 +39,7 @@ def __init__(
         self,
         scale_to_resolution,
         pixel_array_dtype="uint8",
-        resampling_algorithm=Image.BICUBIC,
+        resampling_algorithm=Resampling.BICUBIC,
         **kwargs,
     ):
         self.pixel_array_dtype = pixel_array_dtype