fix getXColorValue for reading color ...

projects/x-framework-core/src/lib/tools/x-color.tools.ts

@@ -1179,3 +1179,37 @@ export function formatColor(
     }
   }
 }
+
+/**
+ * Retrieve Specified Color Identifier Value ...
+ *
+ * @param color Color Identifier ...
+ *
+ * @returns an string value which represent color ...
+ */
+export function getXColorValue(color: XColorIdentifier) {
+  //
+  let result = '';
+
+  //
+  if (!isNullOrUndefined(color)) {
+    //
+    const descriptor = parseXColor(color);
+    if (!isNullOrUndefined(descriptor)) {
+      //
+      var colorCssVarName = getXColorCssVariableName(
+        descriptor.name,
+        descriptor.isContrast,
+        descriptor.brightnessLevel,
+      );
+      if (!isNullOrEmptyString(colorCssVarName)) {
+        //
+        const computedStyle = getComputedStyle(document.documentElement);
+        result = computedStyle.getPropertyValue(colorCssVarName.trim()).trim();
+      }
+    }
+  }
+
+  //
+  return result;
+}