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The timeline control displays the clips that make up a mash within
a scrollable, zoomable view. Each clip is represented by a preview within
a rounded rectangle that is colored and shaded to indicate its media type.
These clips are arranged into tracks that are strictly grouped by media type. There is
one track for video, image and theme clips which are sequentially positioned so as
to avoid any gaps between them. Effect clips appear in tracks above this track, while
audio clips appear below it. Clips in these tracks can be positioned arbitrarily, and new
tracks are automatically created as clips are dragged into them.
If a video clip contains a soundtrack it will appear in a special audio track just beneath
the video track, and move along with it. Clips on this audio track might get mixed if
there is a transition between their associated video clips.
Attributes
align: the string 'top', 'left' or 'center'
angle: floating point number (degrees)
audioicon: valid graphic URL
audiotrack: positive integer (pixels)
audiotracks: positive integer (number of tracks)
autoscroll: positive integer (pixels)
color: six character hex color value
curve: positive integer (pixels)
effecticon: valid graphic URL
effecttrack: positive integer (pixels)
effecttracks: positive integer (number of tracks)
grad: floating point number less than 128
height: integer (pixels) or '*', '**'... (proportional)
iconwidth: positive integer (pixels)
id: a word that's unique among control IDs
line: positive integer (pixels)
lineangle: floating point number (degrees)
linecolor: six character hex color value
linegrad: floating point number less than 128
symbol: a valid SWF URL, followed by an ampersand and class name
videoicon: valid graphic URL
videotrack: positive integer (pixels)
videotracks: non-zero value
width: integer (pixels) or '*', '**'... (proportional)
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