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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "services/shape_detection/text_detection_impl_mac.h" | 5 #include "services/shape_detection/text_detection_impl_mac.h" |
| 6 | 6 |
| 7 #include "base/mac/mac_util.h" | 7 #include "base/mac/mac_util.h" |
| 8 #include "base/mac/scoped_cftyperef.h" | 8 #include "base/mac/scoped_cftyperef.h" |
| 9 #include "base/mac/sdk_forward_declarations.h" | 9 #include "base/mac/sdk_forward_declarations.h" |
| 10 #include "base/strings/sys_string_conversions.h" | 10 #include "base/strings/sys_string_conversions.h" |
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| 43 | 43 |
| 44 TextDetectionImplMac::TextDetectionImplMac() { | 44 TextDetectionImplMac::TextDetectionImplMac() { |
| 45 NSDictionary* const opts = @{CIDetectorAccuracy : CIDetectorAccuracyHigh}; | 45 NSDictionary* const opts = @{CIDetectorAccuracy : CIDetectorAccuracyHigh}; |
| 46 detector_.reset([[CIDetector detectorOfType:CIDetectorTypeText | 46 detector_.reset([[CIDetector detectorOfType:CIDetectorTypeText |
| 47 context:nil | 47 context:nil |
| 48 options:opts] retain]); | 48 options:opts] retain]); |
| 49 } | 49 } |
| 50 | 50 |
| 51 TextDetectionImplMac::~TextDetectionImplMac() {} | 51 TextDetectionImplMac::~TextDetectionImplMac() {} |
| 52 | 52 |
| 53 void TextDetectionImplMac::Detect(mojo::ScopedSharedBufferHandle frame_data, | 53 void TextDetectionImplMac::Detect(const SkBitmap& bitmap, |
| 54 uint32_t width, | |
| 55 uint32_t height, | |
| 56 const DetectCallback& callback) { | 54 const DetectCallback& callback) { |
| 57 DCHECK(base::mac::IsAtLeastOS10_11()); | 55 DCHECK(base::mac::IsAtLeastOS10_11()); |
| 58 media::ScopedResultCallback<DetectCallback> scoped_callback( | 56 media::ScopedResultCallback<DetectCallback> scoped_callback( |
| 59 base::Bind(&RunCallbackWithResults, callback), | 57 base::Bind(&RunCallbackWithResults, callback), |
| 60 base::Bind(&RunCallbackWithNoResults)); | 58 base::Bind(&RunCallbackWithNoResults)); |
| 61 | 59 |
| 62 base::scoped_nsobject<CIImage> ci_image = | 60 base::scoped_nsobject<CIImage> ci_image = CreateCIImageFromSkBitmap(bitmap); |
| 63 CreateCIImageFromSharedMemory(std::move(frame_data), width, height); | |
| 64 if (!ci_image) | 61 if (!ci_image) |
| 65 return; | 62 return; |
| 66 | 63 |
| 67 NSArray* const features = [detector_ featuresInImage:ci_image]; | 64 NSArray* const features = [detector_ featuresInImage:ci_image]; |
| 68 | 65 |
| 66 const int height = bitmap.height(); |
| 69 std::vector<mojom::TextDetectionResultPtr> results; | 67 std::vector<mojom::TextDetectionResultPtr> results; |
| 70 for (CIRectangleFeature* const f in features) { | 68 for (CIRectangleFeature* const f in features) { |
| 71 // CIRectangleFeature only has bounding box information. | 69 // CIRectangleFeature only has bounding box information. |
| 72 auto result = mojom::TextDetectionResult::New(); | 70 auto result = mojom::TextDetectionResult::New(); |
| 73 // In the default Core Graphics coordinate space, the origin is located | 71 // In the default Core Graphics coordinate space, the origin is located |
| 74 // in the lower-left corner, and thus |ci_image| is flipped vertically. | 72 // in the lower-left corner, and thus |ci_image| is flipped vertically. |
| 75 // We need to adjust |y| coordinate of bounding box before sending it. | 73 // We need to adjust |y| coordinate of bounding box before sending it. |
| 76 gfx::RectF boundingbox(f.bounds.origin.x, | 74 gfx::RectF boundingbox(f.bounds.origin.x, |
| 77 height - f.bounds.origin.y - f.bounds.size.height, | 75 height - f.bounds.origin.y - f.bounds.size.height, |
| 78 f.bounds.size.width, f.bounds.size.height); | 76 f.bounds.size.width, f.bounds.size.height); |
| 79 result->bounding_box = std::move(boundingbox); | 77 result->bounding_box = std::move(boundingbox); |
| 80 results.push_back(std::move(result)); | 78 results.push_back(std::move(result)); |
| 81 } | 79 } |
| 82 scoped_callback.Run(std::move(results)); | 80 scoped_callback.Run(std::move(results)); |
| 83 } | 81 } |
| 84 | 82 |
| 85 } // namespace shape_detection | 83 } // namespace shape_detection |
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