blob: 1ccc7e5ae6b56c7890902def3ce581088a339ada [file] [log] [blame]
// 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