feat: add JXL thumbnail and animated APNG + WEBP support (port #344 and partially port #357)

requirements.txt

@@ -1,19 +1,20 @@
+chardet==5.2.0
+ffmpeg-python==0.2.0
 humanfriendly==10.0
+mutagen==1.47.0
+numpy==1.26.4
+numpy==1.26.4
 opencv_python>=4.8.0.74,<=4.9.0.80
+pillow-heif==0.16.0
+pillow-jxl-plugin==1.2.6
 Pillow==10.3.0
-PySide6==6.7.1
+pydub==0.25.1
 PySide6_Addons==6.7.1
 PySide6_Essentials==6.7.1
-typing_extensions>=3.10.0.0,<=4.11.0
-ujson>=5.8.0,<=5.9.0
-numpy==1.26.4
+PySide6==6.7.1
 rawpy==0.21.0
-pillow-heif==0.16.0
-chardet==5.2.0
-structlog==24.4.0
 SQLAlchemy==2.0.34
-pydub==0.25.1
-mutagen==1.47.0
-numpy==1.26.4
-ffmpeg-python==0.2.0
-vtf2img==0.1.0
+structlog==24.4.0
+typing_extensions>=3.10.0.0,<=4.11.0
+ujson>=5.8.0,<=5.9.0
+vtf2img==0.1.0

tagstudio/src/core/media_types.py

@@ -192,7 +192,6 @@ class MediaCategories:
         ".apng",
         ".gif",
         ".webp",
-        ".jxl",
     }
     _IMAGE_RAW_SET: set[str] = {
         ".arw",

tagstudio/src/qt/widgets/preview_panel.py

@@ -1,6 +1,8 @@
 # Copyright (C) 2024 Travis Abendshien (CyanVoxel).
 # Licensed under the GPL-3.0 License.
 # Created for TagStudio: https://github.com/CyanVoxel/TagStudio
+
+import io
 import os
 import platform
 import sys
@@ -601,19 +603,32 @@ def update_widgets(self) -> bool:
                 # TODO: Do this all somewhere else, this is just here temporarily.
                 ext: str = filepath.suffix.lower()
                 try:
-                    if filepath.suffix.lower() in [".gif"]:
-                        with open(filepath, mode="rb") as file:
-                            if self.preview_gif.movie():
-                                self.preview_gif.movie().stop()
-                                self.gif_buffer.close()
-
-                            ba = file.read()
-                            self.gif_buffer.setData(ba)
-                            movie = QMovie(self.gif_buffer, QByteArray())
-                            self.preview_gif.setMovie(movie)
-                            movie.start()
+                    if MediaCategories.is_ext_in_category(
+                        ext, MediaCategories.IMAGE_ANIMATED_TYPES, mime_fallback=True
+                    ):
+                        if self.preview_gif.movie():
+                            self.preview_gif.movie().stop()
+                            self.gif_buffer.close()
+
+                        image: Image.Image = Image.open(filepath)
+                        anim_image: Image.Image = image
+                        image_bytes_io: io.BytesIO = io.BytesIO()
+                        anim_image.save(
+                            image_bytes_io,
+                            "GIF",
+                            lossless=True,
+                            save_all=True,
+                            loop=0,
+                            disposal=2,
+                        )
+                        image_bytes_io.seek(0)
+                        ba: bytes = image_bytes_io.read()
+
+                        self.gif_buffer.setData(ba)
+                        movie = QMovie(self.gif_buffer, QByteArray())
+                        self.preview_gif.setMovie(movie)
+                        movie.start()
 
-                        image = Image.open(str(filepath))
                         self.resizeEvent(
                             QResizeEvent(
                                 QSize(image.width, image.height),

tagstudio/src/qt/widgets/thumb_renderer.py

@@ -12,6 +12,7 @@
 
 import cv2
 import numpy as np
+import pillow_jxl  # noqa: F401
 import rawpy
 import structlog
 from mutagen import MutagenError, flac, id3, mp4