feat: add IMAGE_RASTER_TYPES (Fix #550) (#551)

* fix resolution info

* Fix for Raw and Vector Image types

* Small refactor

* Create IMAGE_RASTER_TYPES and remove is_image_ext_raster

* Change if statment only for raster

* Rename _IMAGE_SET to _IMAGE_RASTER_SET

---------

Co-authored-by: gred <[email protected]>

Author: Roc25

tagstudio/src/core/media_types.py

@@ -207,7 +207,7 @@ class MediaCategories:
         ".rw2",
     }
     _IMAGE_VECTOR_SET: set[str] = {".svg"}
-    _IMAGE_SET: set[str] = {
+    _IMAGE_RASTER_SET: set[str] = {
         ".apng",
         ".avif",
         ".bmp",
@@ -392,9 +392,14 @@ class MediaCategories:
         extensions=_IMAGE_VECTOR_SET,
         is_iana=False,
     )
+    IMAGE_RASTER_TYPES: MediaCategory = MediaCategory(
+        media_type=MediaType.IMAGE,
+        extensions=_IMAGE_RASTER_SET,
+        is_iana=False,
+    )
     IMAGE_TYPES: MediaCategory = MediaCategory(
         media_type=MediaType.IMAGE,
-        extensions=_IMAGE_SET | _IMAGE_RAW_SET | _IMAGE_VECTOR_SET,
+        extensions=_IMAGE_RASTER_SET | _IMAGE_RAW_SET | _IMAGE_VECTOR_SET,
         is_iana=True,
     )
     INSTALLER_TYPES: MediaCategory = MediaCategory(

tagstudio/src/qt/widgets/preview_panel.py

@@ -625,13 +625,7 @@ def update_widgets(self) -> bool:
                         self.preview_gif.show()
 
                     image = None
-                    if (
-                        MediaCategories.is_ext_in_category(ext, MediaCategories.IMAGE_TYPES)
-                        and MediaCategories.is_ext_in_category(ext, MediaCategories.IMAGE_RAW_TYPES)
-                        and MediaCategories.is_ext_in_category(
-                            ext, MediaCategories.IMAGE_VECTOR_TYPES
-                        )
-                    ):
+                    if MediaCategories.is_ext_in_category(ext, MediaCategories.IMAGE_RASTER_TYPES):
                         image = Image.open(str(filepath))
                     elif MediaCategories.is_ext_in_category(ext, MediaCategories.IMAGE_RAW_TYPES):
                         try:
@@ -668,7 +662,7 @@ def update_widgets(self) -> bool:
                     # Stats for specific file types are displayed here.
                     if image and (
                         MediaCategories.is_ext_in_category(
-                            ext, MediaCategories.IMAGE_TYPES, mime_fallback=True
+                            ext, MediaCategories.IMAGE_RASTER_TYPES, mime_fallback=True
                         )
                         or MediaCategories.is_ext_in_category(
                             ext, MediaCategories.VIDEO_TYPES, mime_fallback=True