GetSelectionQuads
获取页面选择四边形
语法
expression.GetSelectionQuads();
expression - 表示 ApiPage 类的变量。
参数
此方法没有任何参数。
返回值
Quad[]
示例
获取 PDF 页面上选定文本的精确边界。
// How do I find the coordinates of highlighted text in a PDF?
// Fetch the selection areas to mark them with visual highlights in a PDF.
let doc = Api.GetDocument();
let page = doc.GetPage(0);
page.SetSelection({x: 10, y: 10}, {x: 100, y: 100});
let quads = page.GetSelectionQuads();
let annot = Api.CreateHighlightAnnot(quads);
page.AddObject(annot);
console.log('We highlight the selected text on the page');