小程序 cpcl 打印圖片

獲取圖片二值化後的數據

    public static void main(String[] args) throws IOException {
        //String        target = "/Users/zhiyu/Desktop/test/aaa_bin.bmp";
        String        target = "/Users/zhiyu/Desktop/test/test.jpg";
        File          file   = new File(target);
        BufferedImage image  = ImageIO.read(file);
        drawGraphic(0, 0,   image);
    }

    public static void drawGraphic(int start_x, int start_y,  BufferedImage image) {
        int           width     = image.getWidth();
        int           height    = image.getHeight();

        int col = (width - 1) / 8 + 1;

        String str         = "";
        byte[] arrayOfByte = new byte[width * height];

        int h  = 0;
        //int b1 = 0;
        int arrindex  = 0;
        //int m  = 0;


        while (h < height) {
            for (int w = 0; w < width; w++) {
                arrindex = h * col + w / 8;
                System.out.println("w:" + w + ", h:" + h);
                if ((image.getRGB(w, h) & 0xFFFFFF) < 3092271) {
                    int    n            = arrindex;
                    byte[] arrayOfByte1 = arrayOfByte;

                    arrayOfByte1[n] = (byte) (arrayOfByte1[n] | 128 >> w % 8);
                } else {
                    int    n            = arrindex;
                    byte[] arrayOfByte1 = arrayOfByte;

                    arrayOfByte1[n] = (byte) (arrayOfByte1[n] & (128 >> w % 8 ^ 0xFFFFFFFF));
                }
            }
            ++h;
            //if ((++h - b1) * col >= 1024 || h == height) {
            //    str = bbbb(aaaaaa(arrayOfByte, m, arrindex - m + 1));
            //    m   = arrindex + 1;
            //    String str1 = "EG " + col + " " + (h - b1) + " " + start_x + " " + (start_y + b1) + " " + str + "\r\n";
            //
            //    System.out.println(str1);
            //    //b(str1);
            //    b1 = h;
            //    k++;
            //}
        }

        str =  toHexString(copy(arrayOfByte, 0, arrindex + 1)); 
        System.out.println(str);

    }
    static String toHexString(byte[] paramArrayOfbyte) {
        String str = "";
        for (int i = 0; i < paramArrayOfbyte.length; i++) {
            String hex = Integer.toHexString(paramArrayOfbyte[i] & 0xFF);
            if (hex.length() == 1) {
                hex = '0' + hex;
            }
            str = str + hex;
        }
        return str;
    }

    private static byte[] copy(byte[] paramArrayOfbyte, int start, int length) {
        byte[] arrayOfByte = new byte[length];
        for (int i = 0; i < length; i++) {
            arrayOfByte[i] = paramArrayOfbyte[start + i];
        }
        return arrayOfByte;
    }

在小程序中：

  writeLogo2: function (options) { 
    let  imgHex1 =
"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"

let  imgHex =
"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"
  console.log(imgHex.length)

    
   let buffs = "! 0 200 200 80 1 \n\r"
   + "EG 25 80 0 0 " + imgHex + "\n\r"
   + "PRINT"
    app.globalData.QRPrinter.sendCmd(buffs, true)
  }, 

"EG 25 80 0 0 " + imgHex + "\n\r"

25 即 col ,    int col = (width - 1) / 8 + 1;

80 圖片高度（px）

 

 

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坑爹的QR啓銳（建議不要購買這個鬼，廠家提供的支持太差勁）， 廠家提供的demo里根本沒有說明如何得到圖片的數據,  測試了幾十種方法才找到這個合適的