Go SDKを介してPDFから透かしを取得する

    package main

    import (
        "fmt"

        asposepdfcloud "github.com/aspose-pdf-cloud/aspose-pdf-cloud-go/v25"
    )

    // Extract images watermarks from document and show info to console
    func GetWatermarks(pdf_api *asposepdfcloud.PdfApiService, document string, remoteFolder string) {
        uploadFile(pdf_api, document)

        args := map[string]interface{}{
            "folder": remoteFolder,
        }

        result, httpResponse, err := pdf_api.GetPages(document, args)
        if err != nil {
            fmt.Println(err.Error())
        } else if httpResponse.StatusCode < 200 || httpResponse.StatusCode > 299 {
            fmt.Println("GetPages() - Unexpected error!")
        } else {
            for pageNum := range result.Pages.List {
                imageResult, httpResponse, err := pdf_api.GetImages(document, int32(pageNum+1), args)
                if err != nil {
                    fmt.Println(err.Error())
                } else if httpResponse.StatusCode < 200 || httpResponse.StatusCode > 299 {
                    fmt.Println("Unexpected error!")
                } else {
                    for _, image := range imageResult.Images.List {
                        fmt.Println("Page", pageNum+1, "Image Id=", image.Id, "LinkId:", image.Links[0].Href, "Width:", (image.Rectangle.LLY - image.Rectangle.LLX), "Height:", (image.Rectangle.URY - image.Rectangle.URX))
                    }
                }
            }
        }
    }