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// ÒýÈë Android ºÍ OpenCV µÄÀà
importPackage(org.opencv.core);
importPackage(org.opencv.imgproc);
importPackage(org.opencv.android);
importClass(android.graphics.Bitmap);


function screenshotAndBinarize(width, height, quality, threshold1, threshold2) {
    // ½øÐÐÆÁÄ»½Øͼ
    var bitmap = screen.screenShot(width, height, quality).getBitmap();

    // ½« Bitmap ת»»Îª OpenCV µÄ Mat
    var mat = new Mat();
    Utils.bitmapToMat(bitmap, mat);


    // ½øÐжþÖµ»¯´¦Àí
    var binaryMat = new Mat();
    Imgproc.threshold(mat, binaryMat, threshold1, threshold2, Imgproc.THRESH_BINARY);
    printl(binaryMat);


    // ½«¶þÖµ»¯ºóµÄ Mat ת»»»Ø Bitmap
    var binaryBitmap = Bitmap.createBitmap(binaryMat.cols(), binaryMat.rows(), Bitmap.Config.ARGB_8888);
    Utils.matToBitmap(binaryMat, binaryBitmap);
    printl(binaryBitmap);


    return binaryBitmap;
}


// µ÷Ó÷â×°µÄº¯Êý
var resultBitmap = screenshotAndBinarize(640, 960, 100, 50, 150);

´úÂë½á¹¹

  1. ÒýÈë¿âºÍÀà

    • importPackage ºÍ importClass ÓÃÓÚµ¼ÈëOpenCVºÍAndroidÖÐÏà¹ØÀàºÍ°ü£¬ÕâÔÚʹÓÃÆ亯ÊýʱÊDZØÐèµÄ¡£
  2. º¯Êý¶¨Òå

    • screenshotAndBinarize: ·â×°Á˶ÔÆÁÄ»½Øͼ½øÐжþÖµ»¯´¦ÀíµÄËùÓв½Öè¡£
  3. º¯Êý²ÎÊý

    • width: ½ØͼµÄ¿í¶È¡£
    • height: ½ØͼµÄ¸ß¶È¡£
    • quality: ½ØͼµÄÖÊÁ¿¡£
    • threshold1: ¶þÖµ»¯¹ý³ÌÖÐʹÓõÄãÐÖµ1¡£
    • threshold2: ¶þÖµ»¯¹ý³ÌÖÐʹÓõÄãÐÖµ2¡£

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  1. ÆÁÄ»½Øͼ

    var bitmap = screen.screenShot(width, height, quality).getBitmap();
    
  • ʹÓøø¶¨µÄ¿í¶È¡¢¸ß¶ÈºÍÖÊÁ¿²ÎÊý½øÐÐÆÁÄ»½Øͼ£¬½á¹ûÊÇÒ»¸ö Bitmap ¶ÔÏó¡£
  1. Bitmap ת Mat

    var mat = new Mat();
    Utils.bitmapToMat(bitmap, mat);
    
  • ´´½¨Ò»¸ö Mat ¶ÔÏó¡£
    • Utils.bitmapToMat ½« Bitmap ×ª»»Îª OpenCV µÄ Mat ¶ÔÏ󣬱ãÓÚºóÐøµÄͼÏñ´¦Àí²Ù×÷¡£
  1. ¶þÖµ»¯´¦Àí

    var binaryMat = new Mat();
    Imgproc.threshold(mat, binaryMat, threshold1, threshold2, Imgproc.THRESH_BINARY);
    printl(binaryMat);
    
    • ³õʼ»¯Ò»¸öеĠMat ¶ÔÏó binaryMat ÓÃÓÚ´æ´¢´¦ÀíºóµÄͼÏñ¡£
    • ʹÓàImgproc.threshold ·½·¨¶ÔͼÏñ½øÐжþÖµ»¯´¦Àí¡£
    • threshold1 ºÍ threshold2 ÊÇÓÃÓÚ¶þÖµ»¯µÄãÐÖµ¡£
    • Imgproc.THRESH_BINARY ±íʾ²ÉÓöþÖµ»¯´¦Àí·½·¨¡£
  2. Mat ת Bitmap

    var binaryBitmap = Bitmap.createBitmap(binaryMat.cols(), binaryMat.rows(), Bitmap.Config.ARGB_8888);
    Utils.matToBitmap(binaryMat, binaryBitmap);
    printl(binaryBitmap);
    
  • ´´½¨Ò»¸öеĠBitmap ¶ÔÏó£¬ÓÃÓÚ´æ´¢¶þÖµ»¯ºóµÄͼÏñ¡£
  • ½« binaryMat ×ª»»»Ø Bitmap¡£
  1. ·µ»ØÖµ

    return binaryBitmap;
    
  • º¯ÊýµÄ·µ»ØÖµÊÇ´¦ÀíºóµÄ Bitmap ¶ÔÏó¡£

µ÷ÓÃʾÀý

var resultBitmap = screenshotAndBinarize(640, 960, 100, 50, 150);
  • ʹÓÃÌض¨²ÎÊýµ÷Óøú¯Êý£¬»ñÈ¡¶þÖµ»¯ºóµÄͼÏñ¡£
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