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Advanced Image Compression
Last updated: 2024-02-04 14:25:57
Advanced Image Compression
Last updated: 2024-02-04 14:25:57

Overview

This document provides an overview of APIs and SDK code samples related to advanced image compression.
API
Description
Advanced image compression allows you to easily convert images into formats that provide a high compression ratio, such as TPG and HEIF. This effectively reduces the transmission time, loading time, and the use of bandwidth and traffic.

Advanced Image Compression

Description

COS uses the imageMogr2 API of Cloud Infinite (CI) to provide advanced image compression.

Sample code

<?php

require dirname(__FILE__) . '/../vendor/autoload.php';

$secretId = "SECRETID"; //Replace it with the actual SecretId, which can be viewed and managed at https://console.tencentcloud.com/cam/capi
$secretKey = "SECRETKEY"; //Replace it with the actual SecretKey, which can be viewed and managed at https://console.tencentcloud.com/cam/capi
$region = "ap-beijing"; //Replace it with the actual region, which can be viewed in the console at https://console.tencentcloud.com/cos5/bucket
$cosClient = new Qcloud\\Cos\\Client(
array(
'region' => $region,
'schema' => 'https', // Protocol header, which is http by default
'credentials'=> array(
'secretId' => $secretId ,
'secretKey' => $secretKey)));

try {
$imageMogrTemplate = new Qcloud\\Cos\\ImageParamTemplate\\ImageMogrTemplate(); //Create an instance of the basic image processing parameter template
$imageMogrTemplate->format('tpg'); //Convert the original image into the TPG format
$imageMogrTemplate->format('heif'); //Convert the original image into the HEIF format
$result = $cosClient->getObject(array(
'Bucket' => 'examplebucket-1250000000', // Bucket name in the format of BucketName-Appid, which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket
'Key' => 'exampleobject',
'ImageHandleParam' => $imageMogrTemplate->queryString(), //Generate basic image processing parameters
));
// Request successful
print_r($result);
} catch (\\Exception $e) {
// Request failed
echo($e);
}

Parameter description

Parameter
Type
Description
Required
Bucket
String
Bucket name in the format of BucketName-APPID
Yes
Key
String
Uniquely identifies an object in a bucket. For example, if the object access endpoint is examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com/doc/pic.jpg, its object key is doc/pic.jpg.
Yes
ImageHandleParam
String
CI image processing parameter, for example, imageMogr2/format/tpg
Yes

Sample response

Guzzle\\Service\\Resource\\Model Object
(
[structure:protected] =>
[data:protected] => Array
(
[Body] =>
[ETag] => "698d51a19d8a121ce581499d7b701668"
[RequestId] => NWQwOGRkNDdfMjJiMjU4NjRfNzVjXzEwNmVjY2M=
[ContentLength] => 100
[ContentType] => image/jpeg
[Key] => exampleobject
[Bucket] => examplebucket-1250000000
[Location] => examplebucket-1250000000.cos.ap-beijing.myqcloud.com/exampleobject
)

)


Response description

Parameter
Type
Description
Parent Node
Body
File/String
Downloaded content
None
ETag
String
MD5 checksum of the file
None
ContentLength
Int
Length of the response body
None
ContentType
String
Content type. Sets Content-Type
None
RequestId
String
Request ID
None
Key
String
Object key
None
Bucket
String
Bucket name in the format of BucketName-APPID
None
Location
String
Address of the requested resource
None
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