Editor

OcrGraphic.java

/*
 * 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.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;

import com.google.android.gms.samples.vision.ocrreader.ui.camera.GraphicOverlay;
import com.google.android.gms.vision.text.Text;
import com.google.android.gms.vision.text.TextBlock;

import java.util.List;

/**
 * Graphic instance for rendering TextBlock position, size, and ID within an associated graphic
 * overlay view.
 */
public class OcrGraphic extends GraphicOverlay.Graphic {

private int mId;

private static final int TEXT_COLOR = Color.WHITE;

private static Paint sRectPaint;
    private static Paint sTextPaint;
    private final TextBlock mText;

OcrGraphic(GraphicOverlay overlay, TextBlock text) {
        super(overlay);

mText = text;

if (sRectPaint == null) {
            sRectPaint = new Paint();
            sRectPaint.setColor(TEXT_COLOR);
            sRectPaint.setStyle(Paint.Style.STROKE);
            sRectPaint.setStrokeWidth(4.0f);
        }

if (sTextPaint == null) {
            sTextPaint = new Paint();
            sTextPaint.setColor(TEXT_COLOR);
            sTextPaint.setTextSize(54.0f);
        }
        // Redraw the overlay, as this graphic has been added.
        postInvalidate();
    }

public int getId() {
        return mId;
    }

public void setId(int id) {
        this.mId = id;
    }

public TextBlock getTextBlock() {
        return mText;
    }

/**
     * 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) {
        // TODO: Check if this graphic's text contains this point.
        return false;
    }

/**
     * Draws the text block annotations for position, size, and raw value on the supplied canvas.
     */
    @Override
    public void draw(Canvas canvas) {
        // TODO: Draw the text onto the canvas.
    }
}