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Blind Watermark

Terakhir diperbarui:2024-02-04 17:20:25

    Overview

    This document provides an overview of APIs and SDK code samples for blind watermarking.
    For blind watermark APIs, see Blind Watermark.

    Adding Blind Watermark

    Feature description

    You can add a blind watermark when uploading or downloading an object.

    Sample 1: Adding a blind watermark during upload

    <view>
    <button type="primary" bindtap="button">Add a blind watermark during upload</button>
    </view>
    Page({
    button: function () {
    wx.chooseMessageFile({
    count: 10,
    type: 'all',
    success: function (res) {
    var file = res.tempFiles[0];
    wxfs.readFile({
    filePath: file.path,
    success: function (res) {
    cos.putObject(
    {
    Bucket: 'examplebucket-1250000000',
    Region: 'COS_REGION',
    Key: file.name,
    Body: res.data,
    Headers: {
    // CI's persistent processing API during upload
    'Pic-Operations': '{"is_pic_info": 1, "rules": [{"fileid": "desample_photo.jpg", "rule": "watermark/3/type/1/image/aHR0cDovL2V4YW1wbGVzLTEyNTEwMDAwMDQucGljc2gubXlxY2xvdWQuY29tL3NodWl5aW4uanBn"}]}',
    },
    },
    (err, data) => {
    console.log(err || data);
    },
    );
    },
    fail: (err) => console.error(err),
    });
    },
    fail: (err) => console.error(err),
    });
    },
    });

    Sample 2: Adding a blind watermark during download

    <view>
    <button type="primary" bindtap="button">Add a blind watermark during download</button>
    </view>
    Page({
    button: function () {
    cos.getObject(
    {
    Bucket: 'examplebucket-1250000000',
    Region: 'COS_REGION',
    Key: 'exampleImage',
    QueryString: `watermark/3/type/1/image/aHR0cDovL2V4YW1wbGVzLTEyNTEwMDAwMDQucGljc2gubXlxY2xvdWQuY29tL3NodWl5aW4uanBn`,
    },
    (err, data) => {
    console.log(err || data);
    },
    );
    },
    });
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