Specifies the contents of the image as a string. The string should
contain binary data or, for some formats, base64-encoded data (this is
currently guaranteed to be supported for PNG and GIF images). A set
file takes precedence over the setting of data.
Specifies the contents of the image as a string. The string should contain binary data or, for some formats, base64-encoded data (this is currently guaranteed to be supported for PNG and GIF images). A set file takes precedence over the setting of data.