| // Copyright 2017 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 "services/shape_detection/barcode_detection_impl_mac.h" |
| |
| #include "base/mac/mac_util.h" |
| #include "base/mac/scoped_cftyperef.h" |
| #include "base/strings/sys_string_conversions.h" |
| #include "services/shape_detection/detection_utils_mac.h" |
| |
| namespace shape_detection { |
| |
| BarcodeDetectionImplMac::BarcodeDetectionImplMac() { |
| NSDictionary* const options = @{CIDetectorAccuracy : CIDetectorAccuracyHigh}; |
| detector_.reset([[CIDetector detectorOfType:CIDetectorTypeQRCode |
| context:nil |
| options:options] retain]); |
| } |
| |
| BarcodeDetectionImplMac::~BarcodeDetectionImplMac() {} |
| |
| void BarcodeDetectionImplMac::Detect(const SkBitmap& bitmap, |
| DetectCallback callback) { |
| base::scoped_nsobject<CIImage> ci_image = CreateCIImageFromSkBitmap(bitmap); |
| if (!ci_image) { |
| std::move(callback).Run({}); |
| return; |
| } |
| |
| NSArray* const features = [detector_ featuresInImage:ci_image]; |
| |
| std::vector<mojom::BarcodeDetectionResultPtr> results; |
| const int height = bitmap.height(); |
| for (CIQRCodeFeature* const f in features) { |
| shape_detection::mojom::BarcodeDetectionResultPtr result = |
| shape_detection::mojom::BarcodeDetectionResult::New(); |
| result->bounding_box = ConvertCGToGfxCoordinates(f.bounds, height); |
| |
| // Enumerate corner points starting from top-left in clockwise fashion: |
| // https://wicg.github.io/shape-detection-api/#dom-detectedbarcode-cornerpoints |
| result->corner_points.emplace_back(f.topLeft.x, height - f.topLeft.y); |
| result->corner_points.emplace_back(f.topRight.x, height - f.topRight.y); |
| result->corner_points.emplace_back(f.bottomRight.x, |
| height - f.bottomRight.y); |
| result->corner_points.emplace_back(f.bottomLeft.x, height - f.bottomLeft.y); |
| |
| result->raw_value = base::SysNSStringToUTF8(f.messageString); |
| result->format = mojom::BarcodeFormat::QR_CODE; |
| results.push_back(std::move(result)); |
| } |
| std::move(callback).Run(std::move(results)); |
| } |
| |
| // static |
| std::vector<shape_detection::mojom::BarcodeFormat> |
| BarcodeDetectionImplMac::GetSupportedSymbologies() { |
| return {mojom::BarcodeFormat::QR_CODE}; |
| } |
| |
| } // namespace shape_detection |