def demo_commenting(scene: CodeScene):
scene.add_background(f"{example_dir}/resources/blackboard.jpg")
code = scene.animate_code_comments(
title="examples/commented.py",
path=f"{example_dir}/commented.py",
keep_comments=True,
start_line=6,
end_line=19,
reset_at_end=False,
)
scene.highlight_line(
code,
number=6,
caption="These caption callouts are "
"automatically generated from comments when "
"using animate_code_comments()",
)
scene.highlight_lines(
code,
start=14,
end=18,
caption="You can also highlight multiple "
"lines by ending the block with '# "
"end'",
)
scene.highlight_none(code)
scene.play(FadeOut(code))
scene.clear()
def demo_highlighting(scene: CodeScene):
title = PangoText(
"""
If you want more control, you can create code blocks and
highlight them manually.
""",
font="Helvetica",
line_spacing=0.5,
).scale(0.7)
scene.play(ShowCreation(title, run_time=3, rate_func=linear))
scene.wait(2)
scene.clear()
scene.add_background(f"{example_dir}/resources/blackboard.jpg")
tex = scene.create_code(f"{example_dir}/highlights.py")
scene.play(ShowCreation(tex))
scene.highlight_line(
tex,
11,
caption=
"Create code blocks yourself and pass in any arguments the Code class supports to do things "
"like change the theme or font",
)
scene.highlight_lines(
tex,
13,
19,
caption=
"Highlight code with a caption to give extra information. A wait is"
" automatically added for a time based on the length of the caption",
)
scene.highlight_line(tex, 21, caption="Reset highlighting and positioning")
scene.highlight_none(tex)
scene.play(FadeOut(tex))
scene.clear()