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MPEG-4 Book, The by Touradj Ebrahimi, Fernando Pereira

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C.4. Advanced 2D Profile

The Advanced 2D graphics profile is designed for applications using advanced graphics elements (possibly in addition to audio and visual objects).

Level 1

The restrictions listed in Table C.5 apply for the Advanced 2D graphics profile at Level 1 [N4408]:

Table C.5. Restrictions for Level 1 of the Advanced 2D profile
NodesRestrictions
AppearanceNo restriction
Background2DNo restriction
BitmapNo restriction
CircleNo restriction
Color65,535 colors maximum in the scene at once
Coordinate2D65,535 points maximum in the scene at once
Curve2D255 Curve2D nodes maximum in a scene 65,535 total elements in all type fields in the scene
FontStyleNo restriction
IndexedFaceSet2D255 IndexedFaceSet2D nodes maximum in a scene 65,535 total indices ...

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