Corrects search results for pixel density, closes #29

lib/provider/opencv/template-matching-finder.class.ts

@@ -39,9 +39,12 @@ export class TemplateMatchingFinder implements FinderInterface {
       matchResults.push(await this.scaleAndMatchNeedle(haystack, needle));
     }
 
-    matchResults.map((matchResult) => {
+    // Compensate pixel density
+    matchResults.map(matchResult => {
       matchResult.location.left /= matchRequest.haystack.pixelDensity.scaleX;
+      matchResult.location.width /= matchRequest.haystack.pixelDensity.scaleX;
       matchResult.location.top /= matchRequest.haystack.pixelDensity.scaleY;
+      matchResult.location.height /= matchRequest.haystack.pixelDensity.scaleY;
     });
 
     return matchResults.sort(
@@ -186,12 +189,6 @@ export class TemplateMatchingFinder implements FinderInterface {
   private async scale(image: cv.Mat, scaleFactor: number): Promise<cv.Mat> {
     const scaledRows = Math.max(Math.floor(image.rows * scaleFactor), 1.0);
     const scaledCols = Math.max(Math.floor(image.cols * scaleFactor), 1.0);
-    return image.resizeAsync(
-      scaledRows,
-      scaledCols,
-      0,
-      0,
-      cv.INTER_AREA,
-    );
+    return image.resizeAsync(scaledRows, scaledCols, 0, 0, cv.INTER_AREA);
   }
 }

tslint.json

@@ -8,7 +8,8 @@
     "no-empty": false,
     "one-variable-per-declaration": false,
     "interface-name": false,
-    "trailing-comma": true
+    "trailing-comma": true,
+    "arrow-parens": false
   },
   "rulesDirectory": []
-}
+}