Utility class to optimize a region. More...

#include <ilviews/base/region.h>

Public Member Functions
	IlvRegionOptimizer ()
	Creates a new `IlvRegionOptimizer` instance.

virtual IlBoolean	finalize (IlvRegion &region) const
	Is called to optimize the specified region. More...

virtual IlBoolean	optimize (IlvRegion &region, const IlvRect &rect) const
	Is called to optimize the specified region. More...

Detailed Description

Utility class to optimize a region.

Library: xviews or winviews or mviews (mutually exclusive)

This class lets you define the precise way a region should be optimized. Optimizing a region is done each time a region is modified, and just before the drawing of this region occurs.

Member Function Documentation

◆ finalize()

virtual IlBoolean IlvRegionOptimizer::finalize ( IlvRegion & region ) const

virtual

Is called to optimize the specified region.

This member function is called before a graphic holder requests an update of its refresh area (what part of the views must be redrawn).

Parameters

region The refresh region that must be updated by this member function.

Returns: IlTrue if a change is performed on region and IlFalse otherwise.

◆ optimize()

virtual IlBoolean IlvRegionOptimizer::optimize	(	IlvRegion &	region,
		const IlvRect &	rect
	)		const