GetRGBA

获取颜色的 RGBA 分量。

语法

expression.GetRGBA();

expression - 表示 ApiColor 类的变量。

参数

此方法没有任何参数。

返回值

Object

示例

此示例展示如何获取颜色的 RGBA 分量。

const doc = Api.GetDocument();

const themeColor = Api.ThemeColor('accent1');
const autoColor = Api.AutoColor();
const hexColor = Api.HexColor('#FF0000');

const themeColorRGB = themeColor.GetRGBA();
const autoColorRGB = autoColor.GetRGBA();
const hexColorRGB = hexColor.GetRGBA();

const paragraph = doc.GetElement(0);
paragraph.AddText('RGBA of themeColor: ' + themeColorRGB.r + ', ' + themeColorRGB.g + ', ' + themeColorRGB.b + ', ' + themeColorRGB.a);
paragraph.AddLineBreak();
paragraph.AddText('RGBA of autoColor: ' + autoColorRGB.r + ', ' + autoColorRGB.g + ', ' + autoColorRGB.b + ', ' + autoColorRGB.a);
paragraph.AddLineBreak();
paragraph.AddText('RGBA of hexColor: ' + hexColorRGB.r + ', ' + hexColorRGB.g + ', ' + hexColorRGB.b + ', ' + hexColorRGB.a);
paragraph.AddLineBreak();
paragraph.AddText('RGBA for theme colors and auto color are always opaque black; actual color depends on the document theme.');