12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061 |
- // 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
|