Created
September 26, 2018 09:33
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/* | |
* Copyright (C) The Android Open Source Project | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); | |
* you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, | |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
*/ | |
package com.google.android.gms.samples.vision.ocrreader; | |
import android.util.Log; | |
import android.util.SparseArray; | |
import com.google.android.gms.samples.vision.ocrreader.ui.camera.GraphicOverlay; | |
import com.google.android.gms.vision.Detector; | |
import com.google.android.gms.vision.text.TextBlock; | |
/** | |
* A very simple Processor which gets detected TextBlocks and adds them to the overlay | |
* as OcrGraphics. | |
* TODO: Make this implement Detector.Processor<TextBlock> and add text to the GraphicOverlay | |
*/ | |
public class OcrDetectorProcessor implements Detector.Processor<TextBlock> { | |
private GraphicOverlay<OcrGraphic> graphicOverlay; | |
OcrDetectorProcessor(GraphicOverlay<OcrGraphic> ocrGraphicOverlay) { | |
graphicOverlay = ocrGraphicOverlay; | |
} | |
@Override | |
public void release() { | |
graphicOverlay.clear(); | |
} | |
@Override | |
public void receiveDetections(Detector.Detections<TextBlock> detections) { | |
graphicOverlay.clear(); | |
SparseArray<TextBlock> items = detections.getDetectedItems(); | |
for (int i = 0; i < items.size(); ++i) { | |
TextBlock item = items.valueAt(i); | |
if (item != null && item.getValue() != null) { | |
Log.d("Processor", "Text detected! " + item.getValue()); | |
OcrGraphic graphic = new OcrGraphic(graphicOverlay, item); | |
graphicOverlay.add(graphic); | |
} | |
} | |
} | |
// TODO: Once this implements Detector.Processor<TextBlock>, implement the abstract methods. | |
} |
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