fix(schema): allow just auto and useAuto for view.windowing

Author: PaulHax

src/io/import/processors/restoreStateFile.ts

@@ -359,9 +359,9 @@ const restoreStateFile: ImportHandler = async (dataSource, context) => {
     let manifest: Manifest;
     try {
       manifest = ManifestSchema.parse(migrated);
-    } catch (_) {
+    } catch (e) {
       return asErrorResult(
-        new Error('Unsupported state file schema or version'),
+        new Error(`Unsupported state file schema or version: ${e}`),
         dataSource
       );
     }

src/io/state-file/schema.ts

@@ -131,13 +131,29 @@ const Vector3 = z.tuple([
 ]) satisfies z.ZodType<Vector3>;
 
 type AutoRangeKeys = keyof typeof WLAutoRanges;
-const WindowLevelConfig = z.object({
-  width: z.number(),
-  level: z.number(),
-  auto: z.string() as z.ZodType<AutoRangeKeys>,
-  useAuto: z.boolean().optional(),
-  userTriggered: z.boolean().optional(),
-}) satisfies z.ZodType<WindowLevelConfig>;
+const WindowLevelConfig = z
+  .object({
+    width: z.number().optional(),
+    level: z.number().optional(),
+    auto: z.string() as z.ZodType<AutoRangeKeys>,
+    useAuto: z.boolean().optional(),
+    userTriggered: z.boolean().optional(),
+  })
+  .refine(
+    (data) => {
+      // If useAuto is false, width and level must be present
+      if (
+        data.useAuto === false &&
+        (data.width === undefined || data.level === undefined)
+      ) {
+        return false;
+      }
+      return true;
+    },
+    {
+      message: 'width and level are required when useAuto is false',
+    }
+  ) satisfies z.ZodType<WindowLevelConfig>;
 
 const SliceConfig = z.object({
   slice: z.number(),

src/store/image-stats.ts

@@ -2,6 +2,7 @@ import { defineStore } from 'pinia';
 import { reactive, watch, computed, MaybeRef, unref } from 'vue';
 import * as Comlink from 'comlink';
 import vtkDataArray from '@kitware/vtk.js/Common/Core/DataArray';
+import vtkImageData from '@kitware/vtk.js/Common/DataModel/ImageData';
 import { vtkFieldRef } from '@/src/core/vtk/vtkFieldRef';
 import { WLAutoRanges, WL_HIST_BINS } from '@/src/constants';
 import { HistogramWorker } from '@/src/utils/histogram.worker';
@@ -17,8 +18,8 @@ export type ImageStats = {
 };
 
 async function computeAutoRangeValues(
-  imageData: ReturnType<typeof useImage>['imageData']['value'],
-  isImageLoading: ReturnType<typeof useImage>['isLoading']['value']
+  imageData: vtkImageData,
+  isImageLoading: boolean
 ): Promise<Record<string, [number, number]>> {
   if (isImageLoading || !imageData) {
     return {};

src/store/view-configs/types.ts

@@ -36,8 +36,8 @@ export interface VolumeColorConfig {
 }
 
 export interface WindowLevelConfig {
-  width: number;
-  level: number;
+  width?: number;
+  level?: number;
   auto: keyof typeof WLAutoRanges; // User-selected percentile range
   useAuto?: boolean; // Whether to use the percentage histogram range
   userTriggered?: boolean; // Whether the user has changed the window/level