use size theme in label repr

CHANGELOG.md

@@ -7,7 +7,7 @@ Note that since we don't clearly distinguish between a public and private interf
 ## [Unreleased]
 
 - Add ``PluginFeatureDetection`` and disable WBOIT in Safari 15.
-- [Breaking] Use size theme in molecular/gaussian surface representations
+- [Breaking] Use size theme in molecular/gaussian surface & label representations
     - This is breaking because it was hardcoded to ``physical`` internally but the repr size theme default was ``uniform`` (now ``physical``)
 
 ## [v3.0.0-dev.7] - 2021-12-20

src/mol-repr/structure/representation/label.ts

@@ -40,6 +40,6 @@ export const LabelRepresentationProvider = StructureRepresentationProvider({
     getParams: getLabelParams,
     defaultValues: PD.getDefaultValues(LabelParams),
     defaultColorTheme: { name: 'uniform' },
-    defaultSizeTheme: { name: 'uniform' },
+    defaultSizeTheme: { name: 'physical' },
     isApplicable: (structure: Structure) => structure.elementCount > 0
 });

src/mol-repr/structure/visual/label-text.ts

@@ -16,7 +16,6 @@ import { ComplexTextVisual, ComplexTextParams, ComplexVisual } from '../complex-
 import { ElementIterator, getSerialElementLoci, eachSerialElement } from './util/element';
 import { ColorNames } from '../../../mol-util/color/names';
 import { Vec3 } from '../../../mol-math/linear-algebra';
-import { PhysicalSizeTheme } from '../../../mol-theme/size/physical';
 import { BoundaryHelper } from '../../../mol-math/geometry/boundary-helper';
 
 export const LabelTextParams = {
@@ -151,7 +150,7 @@ function createElementText(ctx: VisualContext, structure: Structure, theme: Them
     const { label_atom_id, label_alt_id } = StructureProperties.atom;
     const { cumulativeUnitElementCount } = serialMapping;
 
-    const sizeTheme = PhysicalSizeTheme({}, { scale: 1 });
+    const sizeTheme = theme.size;
 
     const count = structure.elementCount;
     const { elementScale } = props;