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added show next frame as last frame hack (#7)

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This commit is contained in:
Federico Galatolo
2021-06-18 21:26:46 +02:00
parent 128d6718ae
commit 8a4fea687d
1 changed files with 9 additions and 7 deletions
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16
manim_presentation/present.py
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@ -35,7 +35,8 @@ def fix_time(x):
return x if x > 0 else 1 return x if x > 0 else 1
class Presentation: class Presentation:
def __init__(self, config): def __init__(self, config, last_frame_next=False):
self.last_frame_next = last_frame_next
self.slides = config["slides"] self.slides = config["slides"]
self.files = config["files"] self.files = config["files"]
@ -116,9 +117,10 @@ class Presentation:
if self.current_slide["type"] == "slide": if self.current_slide["type"] == "slide":
# To fix "it always ends one frame before the animation", uncomment this. # To fix "it always ends one frame before the animation", uncomment this.
# But then clears on the next slide will clear the stationary after this slide. # But then clears on the next slide will clear the stationary after this slide.
# self.next_cap = self.caps[self.current_animation + 1] if self.last_frame_next:
# self.next_cap.set(cv2.CAP_PROP_POS_FRAMES, 0) self.next_cap = self.caps[self.current_animation + 1]
# _, self.lastframe = self.next_cap.read() self.next_cap.set(cv2.CAP_PROP_POS_FRAMES, 0)
_, self.lastframe = self.next_cap.read()
state = State.WAIT state = State.WAIT
elif self.current_slide["type"] == "loop": elif self.current_slide["type"] == "loop":
self.current_animation = self.current_slide["start_animation"] self.current_animation = self.current_slide["start_animation"]
@ -260,17 +262,17 @@ def main():
parser.add_argument("--folder", type=str, default="./presentation", help="Presentation files folder") parser.add_argument("--folder", type=str, default="./presentation", help="Presentation files folder")
parser.add_argument("--start-paused", action="store_true", help="Start paused") parser.add_argument("--start-paused", action="store_true", help="Start paused")
parser.add_argument("--fullscreen", action="store_true", help="Fullscreen") parser.add_argument("--fullscreen", action="store_true", help="Fullscreen")
parser.add_argument("--last-frame-next", action="store_true", help="Show the next animation first frame as last frame (hack)")
args = parser.parse_args() args = parser.parse_args()
args.folder = os.path.normcase(args.folder) args.folder = os.path.normcase(args.folder)
presentations = list() presentations = list()
for scene in args.scenes: for scene in args.scenes:
config_file = os.path.join(args.folder, f"{scene}.json") config_file = os.path.join(args.folder, f"{scene}.json")
if not os.path.exists(config_file): if not os.path.exists(config_file):
raise Exception(f"File {config_file} does not exist, check the scene name and make sure to use Slide as your scene base class") raise Exception(f"File {config_file} does not exist, check the scene name and make sure to use Slide as your scene base class")
config = json.load(open(config_file)) config = json.load(open(config_file))
presentations.append(Presentation(config)) presentations.append(Presentation(config, last_frame_next=args.last_frame_next))
display = Display(presentations, start_paused=args.start_paused, fullscreen=args.fullscreen) display = Display(presentations, start_paused=args.start_paused, fullscreen=args.fullscreen)
display.run() display.run()