initial commit and version 1.0

moviepy/video/fx/MasksAnd.py

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+from dataclasses import dataclass
+from typing import Union
+
+import numpy as np
+
+from moviepy.Clip import Clip
+from moviepy.Effect import Effect
+from moviepy.video.VideoClip import ImageClip
+
+
+@dataclass
+class MasksAnd(Effect):
+    """Returns the logical 'and' (minimum pixel color values) between two masks.
+
+    The result has the duration of the clip to which has been applied, if it has any.
+
+    Parameters
+    ----------
+
+    other_clip ImageClip or np.ndarray
+      Clip used to mask the original clip.
+
+    Examples
+    --------
+
+    .. code:: python
+
+        clip = ColorClip(color=(255, 0, 0), size=(1, 1))      # red
+        mask = ColorClip(color=(0, 255, 0), size=(1, 1))      # green
+        masked_clip = clip.with_effects([vfx.MasksAnd(mask)]) # black
+        masked_clip.get_frame(0)
+        [[[0 0 0]]]
+    """
+
+    other_clip: Union[Clip, np.ndarray]
+
+    def apply(self, clip: Clip) -> Clip:
+        """Apply the effect to the clip."""
+        # to ensure that 'and' of two ImageClips will be an ImageClip
+        if isinstance(self.other_clip, ImageClip):
+            self.other_clip = self.other_clip.img
+
+        if isinstance(self.other_clip, np.ndarray):
+            return clip.image_transform(
+                lambda frame: np.minimum(frame, self.other_clip)
+            )
+        else:
+            return clip.transform(
+                lambda get_frame, t: np.minimum(
+                    get_frame(t), self.other_clip.get_frame(t)
+                )
+            )