Allows searching for multiple scales to be configurable

lib/optionalsearchparameters.class.ts

@@ -8,6 +8,7 @@ export class OptionalSearchParameters {
    * {@link OptionalSearchParameters} class constructor
    * @param searchRegion Optional {@link Region} to limit the search space to
    * @param confidence Optional confidence value to configure image match confidence
+   * @param searchMultipleScales Optional flag to indicate if the search should be conducted at different scales
    */
-  constructor(public searchRegion?: Region, public confidence?: number) {}
+  constructor(public searchRegion?: Region, public confidence?: number, public searchMultipleScales?: boolean) {}
 }

lib/screen.class.ts

@@ -85,6 +85,7 @@ export class Screen {
         const minMatch = (params && params.confidence) || this.config.confidence;
         const searchRegion =
             (params && params.searchRegion) || await this.vision.screenSize();
+        const searchMultipleScales = (params && params.searchMultipleScales)
 
         const fullPathToNeedle = normalize(join(this.config.resourceDirectory, templateImageFilename));
 
@@ -95,6 +96,7 @@ export class Screen {
             fullPathToNeedle,
             searchRegion,
             minMatch,
+            searchMultipleScales
         );
 
         return new Promise<Region>(async (resolve, reject) => {