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GetColor

从当前文本属性获取 RGB 颜色。

继承自 ApiRichTextPr.GetColor。

语法​

expression.GetColor();

expression - 表示 ApiRichRun 类的变量。

参数​

此方法没有任何参数。

返回值​

ApiColor | null | undefined

示例​

检索 PDF 中文本的颜色值。

// How do I see what color the text has been set to in a PDF?

// Extract color information from formatted text in a PDF.

let doc = Api.GetDocument();
let freeTextAnnot = Api.CreateFreeTextAnnot([160, 50, 360, 135]);
let page = doc.GetPage(0);
page.AddObject(freeTextAnnot);
freeTextAnnot.SetIntent("freeTextCallout");
freeTextAnnot.SetCallout([{x: 161, y: 51}, {x: 249, y: 125}, {x: 261, y: 125}]);
freeTextAnnot.SetRectDiff([100, 64, 0.5, 0.5]);

let richContent = freeTextAnnot.GetContent();
let para = richContent.GetElement(0);
let run = para.GetElement(0);
run.AddText("Some example text");

let textPr = run.GetTextPr();
textPr.SetColor(Api.RGB(255, 0, 0));

let color = textPr.GetColor();

console.log(`The color property is {r:${color["r"]}, g:${color["g"]}, b:${color["b"]}}`);