Note that the ringtone should be in RTX format (a XML file that contains the ringtone name and the definition of the ringtone) while the image should be in JPEG, GIF or PNG format.
发送铃声和图像。请注意,铃声应为rtx格式(一种包含铃声名称和铃声定义的XML文件),而图像应为JPEG、GIF或png格式。
Convert knows what image format the input and output are, based on the file extensions given on the command line. So, to convert a JPEG to a PNG, use a command line like the following.
convert根据命令行中给定的文件扩展名来了解输入和输出的图像格式分别是什么。
JPEG is a compression scheme, not a file format.
JPEG是一种压缩结构,而非档案格式。
Optimize to File Size: Ability to automatically select both the file format (JPEG or GIF) and JPEG compression level to achieve the selected file size.
优化文件大小:可以自动选择文件格式(jpeg或gif)和选择jpeg的压缩率,以实现选定的文件大小。
Optimize to file size: Ability to automatically select both the file format (JPEG or GIF) and JPEG compression level to achieve the selected file size.
优化文件巨细:能够主动挑选文件体例(jpeg或gif)和挑选jpeg的紧缩率,以完成选定的文件巨细。
Optimize to file size: Ability to automatically select both the file format (JPEG or GIF) and JPEG compression level to achieve the selected file size.
优化文件巨细:能够主动挑选文件体例(jpeg或gif)和挑选jpeg的紧缩率,以完成选定的文件巨细。
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