[ui] ImageGallery: introduce IntrinsicsIndicator

New IntrinsicsIndicator component that displays the initialization mode of each Viewpoint's intrinsic with explanatory tooltip.

meshroom/ui/reconstruction.py

@@ -514,6 +514,38 @@ class Reconstruction(UIGraph):
         allIntrinsicIds = [i.intrinsicId.value for i in self._cameraInit.intrinsics.value]
         return viewpoint.intrinsicId.value in allIntrinsicIds
 
+    @Slot(QObject, result=QObject)
+    def getIntrinsic(self, viewpoint):
+        """
+        Get the intrinsic attribute associated to 'viewpoint' based on its intrinsicId.
+
+        Args:
+            viewpoint (Attribute): the Viewpoint to consider.
+        Returns:
+            Attribute: the Viewpoint's corresponding intrinsic or None if not found.
+        """
+        return next((i for i in self._cameraInit.intrinsics.value if i.intrinsicId.value == viewpoint.intrinsicId.value)
+                    , None)
+
+    @Slot(QObject, result=str)
+    def getIntrinsicInitMode(self, viewpoint):
+        """
+        Get the initialization mode for the intrinsic associated to 'viewpoint'.
+
+        Args:
+            viewpoint (Attribute): the Viewpoint to consider.
+        Returns:
+            str: the initialization mode of the Viewpoint's intrinsic or an empty string if none.
+        """
+        intrinsic = self.getIntrinsic(viewpoint)
+        if not intrinsic:
+            return ""
+        try:
+            return intrinsic.initializationMode.value
+        except AttributeError:
+            # handle older versions that did not have this attribute
+            return ""
+
     @Slot(QObject, result=bool)
     def hasMetadata(self, viewpoint):
         # Should be greater than 2 to avoid the particular case of ""