Barcode Detection: Add |cornerPoints| to DetectedBarcode.idl

third_party/WebKit/Source/modules/shapedetection/BarcodeDetector.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/shapedetection/BarcodeDetector.h"
 
 #include "core/dom/DOMException.h"
 #include "core/dom/DOMRect.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/canvas/CanvasImageSource.h"
+#include "modules/imagecapture/Point2D.h"
 #include "modules/shapedetection/DetectedBarcode.h"
 #include "public/platform/InterfaceProvider.h"
 
 namespace blink {
 
 BarcodeDetector* BarcodeDetector::create(Document& document) {
   return new BarcodeDetector(*document.frame());
 }
 
 BarcodeDetector::BarcodeDetector(LocalFrame& frame) : ShapeDetector(frame) {
@@ skipping 24 matching lines @@
 }
 
 void BarcodeDetector::onDetectBarcodes(
     ScriptPromiseResolver* resolver,
     Vector<mojom::blink::BarcodeDetectionResultPtr> barcodeDetectionResults) {
   DCHECK(m_barcodeServiceRequests.contains(resolver));
   m_barcodeServiceRequests.remove(resolver);
 
   HeapVector<Member<DetectedBarcode>> detectedBarcodes;
   for (const auto& barcode : barcodeDetectionResults) {
+    HeapVector<Point2D> cornerPoints;
+    for (int i = 0; i < 4; i++) {
+      Point2D point;
+      point.setX((barcode->corner_points)[i]->x);
+      point.setY((barcode->corner_points)[i]->y);
+      cornerPoints.append(point);
+    }

[mcasas, 2016/12/15 19:01:58]

for (const auto& point: barcode->corner_points) {
  ...
}

[xianglu, 2016/12/16 00:01:25]

Done.

     detectedBarcodes.append(DetectedBarcode::create(
         barcode->raw_value,
         DOMRect::create(barcode->bounding_box->x, barcode->bounding_box->y,
                         barcode->bounding_box->width,
-                        barcode->bounding_box->height)));
+                        barcode->bounding_box->height),
+        cornerPoints));
   }
 
   resolver->resolve(detectedBarcodes);
 }
 
 void BarcodeDetector::onBarcodeServiceConnectionError() {
   for (const auto& request : m_barcodeServiceRequests) {
     request->reject(DOMException::create(NotSupportedError,
                                          "Barcode Detection not implemented."));
   }
   m_barcodeServiceRequests.clear();
   m_barcodeService.reset();
 }
 
 DEFINE_TRACE(BarcodeDetector) {
   ShapeDetector::trace(visitor);
   visitor->trace(m_barcodeServiceRequests);
 }
 
 }  // namespace blink