tencent cloud

opt := &cos.ObjectPutOptions{
        nil,
        &cos.ObjectPutHeaderOptions{
            XOptionHeader: &http.Header{},
        },
}
pic := &cos.PicOperations{
    IsPicInfo: 1,
    Rules: []cos.PicOperationsRules{
        {
            FileId: "format.jpg",
            Rule:   "imageView2/format/png",
        },
    },
}
opt.XOptionHeader.Add("Pic-Operations", cos.EncodePicOperations(pic))
name := "test.jpg"
local_filename := "./test.jpg"
res, _, err := c.CI.PutFromFile(context.Background(), name, local_filename, opt)

type PicOperations struct {
    IsPicInfo int                  
    Rules     []PicOperationsRules
}
type PicOperationsRules struct {
    Bucket string
    FileId string
    Rule   string
}

opt := &cos.ImageProcessOptions{
    IsPicInfo: 1,
    Rules: []cos.PicOperationsRules{
        {
            FileId: "format.jpg",
            Rule:   "imageView2/format/png",
        },
    },
}
name := "test.jpg"
res, _, err := c.CI.ImageProcess(context.Background(), name, opt)