o S6i @sdZddlmZddlmZddlmZmZddlm Z m Z e fde e efded e d efd d Ze e d fdededede d e d ef ddZe dfdee de e efded e ded ef ddZdS)z:APNG generation module for creating animated mouth shapes.)Path)Image)APNGPNG)DEFAULT_FRAME_DELAYTRANSITION_FRAMES viseme_images output_path frame_delayreturncCsLt}|D] \}}|jt||dq|jjddd|t||S)a# Create an APNG file from a set of viseme images. Args: viseme_images: Dict mapping viseme codes to image paths output_path: Path to save the APNG file frame_delay: Delay between frames in milliseconds Returns: Path to the created APNG file delayTparentsexist_ok)ritems append_filestrparentmkdirsave)r r r apngviseme image_pathrQ/var/www/tkim.planitai.co.jp/blog/20251208-make-apng-tool/./src/apng_generator.pycreate_viseme_apngs r from_imageto_image num_framesc Cst|}t|}|j|jkr||j}t}|jt||dtd|dD]&}||d} t||| } |j d|d} | | |jt| |dq)|jt||d|j j ddd| t|td|dD]}|j d|d} | j ddqo|S)ap Create a smooth transition APNG between two viseme images. Args: from_image: Starting viseme image to_image: Ending viseme image output_path: Path to save the transition APNG num_frames: Number of intermediate frames frame_delay: Delay per frame in milliseconds Returns: Path to the created APNG file r rZ temp_frame_.pngTr missing_ok) ropensizeresizerrrrangeblendrrrunlink) rr r r!r img1img2rialphablended temp_pathrrrcreate_transition_apng#s&      r1Tviseme_sequenceadd_transitionscCsTt}t|D]\}}||vrtd|dd}||}|jt||d|r|t|dkr||d} | |vrsZ     <