GetImage
从当前签名表单返回 base64 格式的图像。
语法
expression.GetImage();
expression - 表示 ApiSignatureForm 类的变量。
参数
此方法没有任何参数。
返回值
示例
提取文档中签名表单内存储的图像。
// How do I retrieve the picture placed in a signature form in a document?
// Pull the embedded image out of a signature form to reuse it in a document.
let doc = Api.GetDocument();
let signatureForm = Api.CreateSignatureForm({"key": "Signature", "tip": "Please sign here", "placeholder": "Signature"});
let paragraph = doc.GetElement(0);
paragraph.AddElement(signatureForm);
signatureForm.SetImage("https://static.onlyoffice.com/assets/docs/samples/img/onlyoffice_logo.png");
let base64img = signatureForm.GetImage();
let drawing = Api.CreateImage(base64img, 60 * 36000, 35 * 36000);
paragraph.AddDrawing(drawing);