fix(Colors): fix UInt8Clamped array color definition

Author: rodrigobasilio2022

Sources/Common/Core/DataArray/Constants.js

@@ -15,6 +15,7 @@ export const VtkDataTypes = {
   CHAR: 'Int8Array',
   SIGNED_CHAR: 'Int8Array',
   UNSIGNED_CHAR: 'Uint8Array',
+  UNSIGNED_CHAR_CLAMPED: 'Uint8ClampedArray', // should be used for VTK.js internal purpose only
   SHORT: 'Int16Array',
   UNSIGNED_SHORT: 'Uint16Array',
   INT: 'Int32Array',

Sources/Common/Core/ScalarsToColors/index.js

@@ -206,7 +206,8 @@ function vtkScalarsToColors(publicAPI, model) {
     // map scalars through lookup table only if needed
     if (
       (colorMode === ColorMode.DEFAULT &&
-        scalars.getDataType() === VtkDataTypes.UNSIGNED_CHAR) ||
+        (scalars.getDataType() === VtkDataTypes.UNSIGNED_CHAR ||
+          scalars.getDataType() === VtkDataTypes.UNSIGNED_CHAR_CLAMPED)) ||
       (colorMode === ColorMode.DIRECT_SCALARS && scalars)
     ) {
       newColors = publicAPI.convertToRGBA(