| Both sides previous revision
Previous revision
|
Next revision
Both sides next revision
|
dev:creating_events.txt [2013/09/04 19:51]
tehom Moving XML format to its own page |
dev:creating_events.txt [2013/09/04 19:55]
tehom Moved to its own page |
| * One constructor that constructs it just from a reference to Event. | * One constructor that constructs it just from a reference to Event. |
| * A method named getAsEvent that, given a time, returns a new Event (on the heap) corresponding to that adapter's data. | * A method named getAsEvent that, given a time, returns a new Event (on the heap) corresponding to that adapter's data. |
| |
| ===== XML format ===== | |
| |
| Rosegarden's file format is a gzipped XML file with | |
| a .rg extension. (We use zlib to read and write files.) | |
| |
| The most basic XML elements are event and property. | |
| Event has a type, subordering (sorry, forgot to describe | |
| that, it's not terribly important, it just indicates the | |
| ordering of events in a segment where the absolute times | |
| are equal -- so we can display clef before key before any | |
| notes at that time, etc) and duration, and then the event | |
| element contains a series of property elements each of | |
| which specifies a single property by name and type. Events | |
| are assumed to start at the time at which the previous | |
| event ended, except when overridden by a chord element | |
| (within which all events start at once) or a resync | |
| element (which specifies the starting time of the | |
| following event, after which events continue to count from | |
| there -- this is too verbose, we should change it to an | |
| optional absolute time property on the event element). | |
| |
| |
