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:: com :: sun :: star :: rendering ::

struct ViewState
Description
This structure contains information considered the view state.

This structure contains information considered the view state, i.e. the invariant setup used when painting a whole view of something.

Since
OOo 2.0

Elements' Summary
AffineTransform The affine transform associated with the view. 
Clip The clipping area associated with the view. 
Elements' Details
AffineTransform
::com::sun::star::geometry::AffineMatrix2D AffineTransform;
Description
The affine transform associated with the view.

This member is used to transform coordinates of draw operations from user space to screen space.

Clip
XPolyPolygon2D Clip;
Description
The clipping area associated with the view.

This clipping is interpreted in the view coordinate systems, i.e. subject to the view transform before mapping to the device coordinate space.

Specifying an empty interface denotes no clipping, i.e. everything rendered to the canvas will be visible (subject to device-dependent constraints, of course). Specifying an empty XPolyPolygon2D, i.e. a poly-polygon containing zero polygons, or an XPolyPolygon2D with any number of empty sub-polygons, denotes the NULL clip. That means, nothing rendered to the canvas will be visible.

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