Source code for moviepy.video.tools.credits

"""Contains different functions to make end and opening credits, even though it is
difficult to fill everyone needs in this matter.
"""
from moviepy.decorators import convert_path_to_string
from moviepy.video.compositing.CompositeVideoClip import CompositeVideoClip
from moviepy.video.fx.resize import resize
from moviepy.video.VideoClip import ImageClip, TextClip


[docs]class CreditsClip(TextClip): """Credits clip. Parameters ---------- creditfile A string or path like object pointing to a text file whose content must be as follows: :: # This is a comment # The next line says : leave 4 blank lines .blank 4 ..Executive Story Editor MARCEL DURAND ..Associate Producers MARTIN MARCEL DIDIER MARTIN ..Music Supervisor JEAN DIDIER width Total width of the credits text in pixels gap Horizontal gap in pixels between the jobs and the names color Color of the text. See ``TextClip.list('color')`` for a list of acceptable names. font Name of the font to use. See ``TextClip.list('font')`` for the list of fonts you can use on your computer. font_size Size of font to use stroke_color Color of the stroke (=contour line) of the text. If ``None``, there will be no stroke. stroke_width Width of the stroke, in pixels. Can be a float, like 1.5. bg_color Color of the background. If ``None``, the background will be transparent. Returns ------- image An ImageClip instance that looks like this and can be scrolled to make some credits: :: Executive Story Editor MARCEL DURAND Associate Producers MARTIN MARCEL DIDIER MARTIN Music Supervisor JEAN DIDIER """ @convert_path_to_string("creditfile") def __init__( self, creditfile, width, stretch=30, color="white", stroke_color="black", stroke_width=2, font="Impact-Normal", font_size=60, bg_color=None, gap=0, ): # Parse the .txt file texts = [] one_line = True with open(creditfile) as file: for line in file: if line.startswith(("\n", "#")): # exclude blank lines or comments continue elif line.startswith(".blank"): # ..blank n for i in range(int(line.split(" ")[1])): texts.append(["\n", "\n"]) elif line.startswith(".."): texts.append([line[2:], ""]) one_line = True elif one_line: texts.append(["", line]) one_line = False else: texts.append(["\n", line]) left, right = ("".join(line) for line in zip(*texts)) # Make two columns for the credits left, right = [ TextClip( txt, color=color, stroke_color=stroke_color, stroke_width=stroke_width, font=font, font_size=font_size, align=align, ) for txt, align in [(left, "East"), (right, "West")] ] both_columns = CompositeVideoClip( [left, right.with_position((left.w + gap, 0))], size=(left.w + right.w + gap, right.h), bg_color=bg_color, ) # Scale to the required size scaled = resize(both_columns, width=width) # Transform the CompositeVideoClip into an ImageClip # Calls ImageClip.__init__() super(TextClip, self).__init__(scaled.get_frame(0)) self.mask = ImageClip(scaled.mask.get_frame(0), is_mask=True)