core: use class based code

src/picture.py

@@ -0,0 +1,28 @@
+from PIL import Image 
+import os
+
+from path import Path
+
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from page import Page 
+
+class Picture():
+    def __init__(self, picture_path: Path, page = None, raw: Path|None = None):
+        self.large: Path = picture_path
+        self.small: Path = Path(picture_path.get_dirpath(), picture_path.get_name()[:-4] + "_small.jpg")
+        self.export_file: Path = Path(picture_path, ".out.pp3")
+        self.raw: Path|None = raw
+        self.page: Page = page
+
+    def render(self) -> tuple[str, str, str]:
+        if not self.small.exist():
+            self.gen_small()
+        return self.large.get_name(), self.small.get_name(), self.export_file.get_name() if self.export_file.exist() else None
+    
+    def gen_small(self):
+        im = Image.open(self.large.get_absolute_path()).convert("RGB")
+        im.save(self.small.get_absolute_path(), quality=95, optimize=True)
+
+