Mobile canvas image editing, hand drawing, writing, similar to the picture editing operation after qq screenshot, is there any idea or js plug-in

Mobile canvas image editing, hand drawing, writing, similar to the picture editing operation after qq screenshot, are there any ideas or js plug-ins

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1bddc63-31382.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bddc63-31382.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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