| array | 要转换的字节数组。 |
| format | 图像数据的像素格式。 |
| width | 图像数据的宽度（以像素为单位）。 |
| height | 图像数据的高度（以像素为单位）。 |
| rowBytes | 单行的长度（以字节为单位）。 |
| quality | 要编码的 JPG 品质（范围为 1..100，默认为 75）。 |
将数组编码为 JPG 格式。
返回的字节数组为 JPG“文件”。可以将它们写入磁盘以获取 JPG 文件，
或通过网络发送等。
编码的 JPG 数据将丢失 Alpha 通道。
此方法具有线程安全性。
传递值为 0 的 rowBytes 时将自动以字节为单位计算行长度。
另请参阅：EncodeArrayToPNG。
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