错误及原因:Empty JPEG image (DNL not supported)

简介: 错误及原因:Empty JPEG image (DNL not supported)

 错误如下:

Empty JPEG image (DNL not supported)

  仔细跟踪下来:

  jpeg_start_compress()中,参数image_width,image_height为0导致的。

  知道这个原因,就好解决了。

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