Source code for

[docs]def crop(clip, x1=None, y1=None, x2=None, y2=None, width=None, height=None, x_center=None, y_center=None): """ Returns a new clip in which just a rectangular subregion of the original clip is conserved. x1,y1 indicates the top left corner and x2,y2 is the lower right corner of the croped region. All coordinates are in pixels. Float numbers are accepted. To crop an arbitrary rectangle: >>> crop(clip, x1=50, y1=60, x2=460, y2=275) Only remove the part above y=30: >>> crop(clip, y1=30) Crop a rectangle that starts 10 pixels left and is 200px wide >>> crop(clip, x1=10, width=200) Crop a rectangle centered in x,y=(300,400), width=50, height=150 : >>> crop(clip, x_center=300 , y_center=400, width=50, height=150) Any combination of the above should work, like for this rectangle centered in x=300, with explicit y-boundaries: >>> crop(x_center=300, width=400, y1=100, y2=600) """ if width and x1 is not None: x2 = x1 + width elif width and x2 is not None: x1 = x2 - width if height and y1 is not None: y2 = y1 + height elif height and y2 is not None: y1 = y2 - height if x_center: x1, x2 = x_center - width / 2, x_center + width / 2 if y_center: y1, y2 = y_center - height / 2, y_center + height / 2 x1 = x1 or 0 y1 = y1 or 0 x2 = x2 or clip.size[0] y2 = y2 or clip.size[1] return clip.fl_image(lambda pic: pic[int(y1) : int(y2), int(x1) : int(x2)], apply_to=["mask"])