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Side by Side Diff: services/shape_detection/android/java/src/org/chromium/shape_detection/TextDetectionImpl.java

Issue 2875243002: RELAND: ShapeDetection: use mojom::Bitmap for mojo interface. (Closed)
Patch Set: Rebasing as all Java files were moved to //services Created 3 years, 7 months ago
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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 package org.chromium.shape_detection; 5 package org.chromium.shape_detection;
6 6
7 import android.content.Context; 7 import android.content.Context;
8 import android.graphics.Rect; 8 import android.graphics.Rect;
9 import android.util.SparseArray; 9 import android.util.SparseArray;
10 10
11 import com.google.android.gms.common.ConnectionResult; 11 import com.google.android.gms.common.ConnectionResult;
12 import com.google.android.gms.common.GoogleApiAvailability; 12 import com.google.android.gms.common.GoogleApiAvailability;
13 import com.google.android.gms.vision.Frame; 13 import com.google.android.gms.vision.Frame;
14 import com.google.android.gms.vision.text.TextBlock; 14 import com.google.android.gms.vision.text.TextBlock;
15 import com.google.android.gms.vision.text.TextRecognizer; 15 import com.google.android.gms.vision.text.TextRecognizer;
16 16
17 import org.chromium.base.Log; 17 import org.chromium.base.Log;
18 import org.chromium.gfx.mojom.RectF; 18 import org.chromium.gfx.mojom.RectF;
19 import org.chromium.mojo.system.MojoException; 19 import org.chromium.mojo.system.MojoException;
20 import org.chromium.mojo.system.SharedBufferHandle;
21 import org.chromium.services.service_manager.InterfaceFactory; 20 import org.chromium.services.service_manager.InterfaceFactory;
22 import org.chromium.shape_detection.mojom.TextDetection; 21 import org.chromium.shape_detection.mojom.TextDetection;
23 import org.chromium.shape_detection.mojom.TextDetectionResult; 22 import org.chromium.shape_detection.mojom.TextDetectionResult;
24 23
25 24
26 /** 25 /**
27 * Implementation of mojo TextDetection, using Google Play Services vision packa ge. 26 * Implementation of mojo TextDetection, using Google Play Services vision packa ge.
28 */ 27 */
29 public class TextDetectionImpl implements TextDetection { 28 public class TextDetectionImpl implements TextDetection {
30 private static final String TAG = "TextDetectionImpl"; 29 private static final String TAG = "TextDetectionImpl";
31 30
32 private final Context mContext; 31 private final Context mContext;
33 private TextRecognizer mTextRecognizer; 32 private TextRecognizer mTextRecognizer;
34 33
35 public TextDetectionImpl(Context context) { 34 public TextDetectionImpl(Context context) {
36 mContext = context; 35 mContext = context;
37 mTextRecognizer = new TextRecognizer.Builder(mContext).build(); 36 mTextRecognizer = new TextRecognizer.Builder(mContext).build();
38 } 37 }
39 38
40 @Override 39 @Override
41 public void detect( 40 public void detect(org.chromium.skia.mojom.Bitmap bitmapData, DetectResponse callback) {
42 SharedBufferHandle frameData, int width, int height, DetectResponse callback) {
43 if (GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(mC ontext) 41 if (GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(mC ontext)
44 != ConnectionResult.SUCCESS) { 42 != ConnectionResult.SUCCESS) {
45 Log.e(TAG, "Google Play Services not available"); 43 Log.e(TAG, "Google Play Services not available");
46 callback.call(new TextDetectionResult[0]); 44 callback.call(new TextDetectionResult[0]);
47 return; 45 return;
48 } 46 }
49 // The vision library will be downloaded the first time the API is used 47 // The vision library will be downloaded the first time the API is used
50 // on the device; this happens "fast", but it might have not completed, 48 // on the device; this happens "fast", but it might have not completed,
51 // bail in this case. Also, the API was disabled between and v.9.0 and 49 // bail in this case. Also, the API was disabled between and v.9.0 and
52 // v.9.2, see https://developers.google.com/android/guides/releases. 50 // v.9.2, see https://developers.google.com/android/guides/releases.
53 if (!mTextRecognizer.isOperational()) { 51 if (!mTextRecognizer.isOperational()) {
54 Log.e(TAG, "TextDetector is not operational"); 52 Log.e(TAG, "TextDetector is not operational");
55 callback.call(new TextDetectionResult[0]); 53 callback.call(new TextDetectionResult[0]);
56 return; 54 return;
57 } 55 }
58 56
59 Frame frame = SharedBufferUtils.convertToFrame(frameData, width, height) ; 57 Frame frame = SharedBufferUtils.convertToFrame(bitmapData);
60 if (frame == null) { 58 if (frame == null) {
61 Log.e(TAG, "Error converting SharedMemory to Frame"); 59 Log.e(TAG, "Error converting SharedMemory to Frame");
62 callback.call(new TextDetectionResult[0]); 60 callback.call(new TextDetectionResult[0]);
63 return; 61 return;
64 } 62 }
65 63
66 final SparseArray<TextBlock> textBlocks = mTextRecognizer.detect(frame); 64 final SparseArray<TextBlock> textBlocks = mTextRecognizer.detect(frame);
67 65
68 TextDetectionResult[] detectedTextArray = new TextDetectionResult[textBl ocks.size()]; 66 TextDetectionResult[] detectedTextArray = new TextDetectionResult[textBl ocks.size()];
69 for (int i = 0; i < textBlocks.size(); i++) { 67 for (int i = 0; i < textBlocks.size(); i++) {
(...skipping 28 matching lines...) Expand all
98 public Factory(Context context) { 96 public Factory(Context context) {
99 mContext = context; 97 mContext = context;
100 } 98 }
101 99
102 @Override 100 @Override
103 public TextDetection createImpl() { 101 public TextDetection createImpl() {
104 return new TextDetectionImpl(mContext); 102 return new TextDetectionImpl(mContext);
105 } 103 }
106 } 104 }
107 } 105 }
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