package com.tejia.lijin.app.util.zxing.decode;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.text.TextUtils;
import android.util.Log;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.DecodeHintType;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.Result;
import com.google.zxing.common.HybridBinarizer;

import java.util.Hashtable;
import java.util.Vector;

/**
 * Created by yzq on 2017/10/17.
 * <p>
 * 解析二维码图片
 * 解析是耗时操作，要放在子线程
 */

public class DecodeImgThread extends Thread {


    /*图片路径*/
    private String imgPath;
    /*回调*/
    private DecodeImgCallback callback;
    private Bitmap scanBitmap;


    public DecodeImgThread(String imgPath, DecodeImgCallback callback) {

        this.imgPath = imgPath;
        this.callback = callback;
    }

    @Override
    public void run() {
        super.run();

        if (TextUtils.isEmpty(imgPath) || callback == null) {
            return;
        }

        /**
         * 对图片进行裁剪，防止oom
         */
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true; // 先获取原大小

        scanBitmap = BitmapFactory.decodeFile(imgPath, options);


        options.inJustDecodeBounds = false; // 获取新的大小
        int sampleSize = (int) (options.outHeight / (float) 400);
        if (sampleSize <= 0)
            sampleSize = 1;
        options.inSampleSize = sampleSize;
        scanBitmap = BitmapFactory.decodeFile(imgPath, options);

        MultiFormatReader multiFormatReader = new MultiFormatReader();
        // 解码的参数
        Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(2);
        // 可以解析的编码类型
        Vector<BarcodeFormat> decodeFormats = new Vector<BarcodeFormat>();
        if (decodeFormats == null || decodeFormats.isEmpty()) {
            decodeFormats = new Vector<BarcodeFormat>();
            // 扫描的类型  一维码和二维码
            decodeFormats.addAll(DecodeFormatManager.ONE_D_FORMATS);
            decodeFormats.addAll(DecodeFormatManager.QR_CODE_FORMATS);
            decodeFormats.addAll(DecodeFormatManager.DATA_MATRIX_FORMATS);
        }
        hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats);
        // 设置解析的字符编码格式为UTF8
        hints.put(DecodeHintType.CHARACTER_SET, "UTF8");
        // 设置解析配置参数
        multiFormatReader.setHints(hints);
        // 开始对图像资源解码
        Result rawResult = null;
        try {
            rawResult = multiFormatReader.decodeWithState(new BinaryBitmap(new HybridBinarizer(new BitmapLuminanceSource(scanBitmap))));

            Log.i("解析结果", rawResult.getText());

        } catch (Exception e) {
            e.printStackTrace();
            //  Log.i("解析的图片结果","失败");
        }

        if (rawResult != null) {
            callback.onImageDecodeSuccess(rawResult);
        } else {
            callback.onImageDecodeFailed();
        }


    }


}