Java Text类代码示例

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
private List<Text> filterInvalidDetections(Detector.Detections<TextBlock> items) {
    List<Text> result = new ArrayList<>();
    SparseArray<TextBlock> detectedItems = items.getDetectedItems();

    for (int i = 0; i < detectedItems.size(); ++i) {
        TextBlock textBlock = detectedItems.valueAt(i);

        // Get sub-components and extract only lines
        List<? extends Text> components = textBlock.getComponents();

        for (Text component : components) {
            String value = component.getValue();
            if (component instanceof Line
                    && value != null
                    && !value.isEmpty()
                    && isFoodRelated((value))) {
                result.add(component);
            } else {
                Log.d(TAG, "filterInvalidDetections: sub-component is not a Line, should we go deeper?");
            }
        }
    }
    return result;
}
 

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
/**
 * Draws the text block annotations for position, size, and raw value on the supplied canvas.
 */
@Override
public void draw(Canvas canvas) {
    Text text = mText;
    if (text == null) {
        return;
    }

    // Draws the bounding box around the TextBlock.
    RectF rect = new RectF(text.getBoundingBox());
    rect.left = translateX(rect.left);
    rect.top = translateY(rect.top);
    rect.right = translateX(rect.right);
    rect.bottom = translateY(rect.bottom);
    canvas.drawRect(rect, sRectPaint);

    // Removing the text on top of the overlay
    // Break the text into multiple lines and draw each one according to its own bounding box.
    /*List<? extends Text> textComponents = text.getComponents();
    for (Text currentText : textComponents) {
        float left = translateX(currentText.getBoundingBox().left);
        float bottom = translateY(currentText.getBoundingBox().bottom);
        canvas.drawText(currentText.getValue(), left, bottom, sTextPaint);
    }*/
}
 

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
public Rect getBoundingBox() {

        if(mBoundingBox == null) {
            int top = Integer.MAX_VALUE, bottom = 0, right = 0, left = Integer.MAX_VALUE;

            for (Text text : getComponents()) {
                top = (text.getBoundingBox().top < top ? text.getBoundingBox().top : top);
                bottom = (text.getBoundingBox().bottom > bottom ? text.getBoundingBox().bottom : bottom);
                left = (text.getBoundingBox().left < left ? text.getBoundingBox().left : left);
                right = (text.getBoundingBox().right > right ? text.getBoundingBox().right : right);
            }
            mBoundingBox = new Rect(left, top, right, bottom);
        }

        return mBoundingBox;
    }
 

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
public PinGraphic(GraphicOverlay overlay, Text text, Bitmap imagePinBitmap, SearchResultContainer searchResult, Handler mainHandler) {
    super(overlay);
    mText = text;
    mImagePinBitmap = imagePinBitmap;
    mSearchResult = searchResult;
    mMainHandler = mainHandler;

    init();

    // Redraw the overlay, as this graphic has been added.
    postInvalidate();
}
 

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
/**
 * Checks whether a point is within the bounding box of this graphic.
 * The provided point should be relative to this graphic's containing overlay.
 * @param x An x parameter in the relative context of the canvas.
 * @param y A y parameter in the relative context of the canvas.
 * @return True if the provided point is contained within this graphic's bounding box.
 */
public boolean contains(float x, float y) {
    Text text = mText;
    if (text == null) {
        return false;
    }
    RectF rect = new RectF(text.getBoundingBox());
    rect.left = translateX(rect.left);
    rect.top = translateY(rect.top);
    rect.right = translateX(rect.right);
    rect.bottom = translateY(rect.bottom);
    return (rect.left < x && rect.right > x && rect.top < y && rect.bottom > y);
}
 

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
private String performOCR(Bitmap bitmap) {
    getImageUri(OcrIdActivity.this, bitmap);
    String textResult = "";
    Frame frame = new Frame.Builder().setBitmap(bitmap).build();
    TextRecognizer textRecognizer = new TextRecognizer.Builder(this).build();
    SparseArray<TextBlock> textblock = textRecognizer.detect(frame);
    TextBlock tb = null;
    List<Text> texto = new ArrayList<>();
    for (int i = 0; i < textblock.size(); i++) {
        tb = textblock.get(textblock.keyAt(i));
        Log.e("TEXT", tb.toString() + "");
        texto.addAll(tb.getComponents());
    }
    for (Text t : texto) {
        for (Text t2 : t.getComponents()) {
            textResult += t2.getValue() + " ";
        }
        textResult += "\n";
    }

    if (!textResult.equals("")) {
        bitmap.recycle();
        return textResult;
    } else {
        Toast toast = Toast.makeText(this, R.string.ocr_fail, Toast.LENGTH_SHORT);
        toast.setGravity(Gravity.TOP, 0, 0);
        toast.show();
        return "";
    }
}
 

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
@Override
    public void receiveDetections(Detector.Detections<TextBlock> detections) {
        if (!mOperating) {
            if (mCurrentStatus != Status.LOADING) {
                sendOnStatusChanged(Status.OFF);
            }
            return;
        }

        mOcrGraphicOverlay.clear();

        List<Text> list = filterInvalidDetections(detections);

        Status newStatus = Status.DETECTING;

        for (Text text : list) {

            // Check if the text block is contained inside the oval graphic overlay
            if (mMaskViewContainer.contains(text)) {

                Log.d(TAG, "receiveDetections: text [" + text.getValue() + "]");

                /*SearchResultContainer searchResult = mPreferenceManager.getSearchResult(text.getValue());

                // If i've got results for that text in the preferences, show the rect
                if (searchResult != null && !searchResult.getImages().isEmpty()) {
                    Log.d(TAG, "receiveDetections: got results in memory");
//                    addNewPinGraphic(text, searchResult);
                    addRect(text);
                } else if (searchResult == null) {
                    Log.d(TAG, "receiveDetections: no results in memory, loading...");
                    // No UI here


                    newStatus = Status.LOADING;
                } else {
                    // NO OP
                    // If i have search results in the prefs but the item list is null or empty then just fail silently
                }*/

               /* SearchResultContainer searchResult = mPreferenceManager.getSearchResult(text.getValue());
                // If i've got results for that text in the preferences
                if (searchResult != null && !searchResult.getImages().isEmpty()) {
                }*/

                SearchResultContainer searchResult = mPreferenceManager.getSearchResult(text.getValue());

                Detection detection = new Detection(text.getValue());

                // If i've got results for that text in the preferences, show the rect
                if (searchResult != null && !searchResult.getImages().isEmpty()) {
                    detection.setContainer(searchResult);

                    addNewPinGraphic(text, searchResult);
                } else {
                    addRect(text);
                }


                RxBus.getInstance().postToEventBus(new NewDetectionFoundEvent(detection));
            }
        }

        sendOnStatusChanged(newStatus);
    }
 

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
private void addRect(final Text text) {
    RectGraphic rectGraphic = new RectGraphic(mOcrGraphicOverlay, text);
    mOcrGraphicOverlay.add(rectGraphic);
}
 

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
private void addNewPinGraphic(Text text, SearchResultContainer searchResult) {
    PinGraphic pinGraphic = new PinGraphic(mOcrGraphicOverlay, text, mPinBitmap, searchResult, mMainHandler);
    mOcrGraphicOverlay.add(pinGraphic);
}
 

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
public Text getText() {
    return mText;
}
 

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
private boolean itemInsideContainerWindowBoundingBox(Text item) {
    if(item.getBoundingBox().bottom < mOcrWindowContainerBoundingBox.bottom)
        return true;
    return false;
}
 

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
private boolean itemBelowOrAboveWindowBoundingBox(Text item) {
    if(item.getBoundingBox().bottom > mOcrWindowBoundingBox.bottom ||
            item.getBoundingBox().top < mOcrWindowBoundingBox.top)
        return true;
    return false;
}
 

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
private boolean itemInsideWindowBoundingBox(Text item) {
    return mOcrWindowBoundingBox.contains(item.getBoundingBox().left, item.getBoundingBox().top, item.getBoundingBox().right, item.getBoundingBox().bottom);
}
 

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
OcrGraphic(GraphicOverlay overlay, Text text, boolean isSelected) {
    this(overlay);

    mText = text;
    mIsSelected = isSelected;
}
 

import com.google.android.gms.vision.text.Text; //导入依赖的package包/类
public Text getTextBlock() {
    return mText;
}