foxit::pdf::PSICallback Class Referenceabstract

Public Member Functions

virtual void Refresh (PSI psi, const RectF &rect)=0
 A callback function used to refresh a specified region for PSI. More...
 
virtual void Release ()=0
 A callback function used to release current PSICallback object itself. More...
 

Detailed Description

This class represents a callback object for refreshing a region for PSI. All the pure virtual functions in this class are used as callback functions and should be implemented by user. An implemented PSICallback object can be set to a PSI object by function PSI::SetCallback.

Member Function Documentation

◆ Refresh()

virtual void foxit::pdf::PSICallback::Refresh ( PSI  psi,
const RectF rect 
)
pure virtual

A callback function used to refresh a specified region for PSI.

Parameters
[in]psiA PSI object.
[in]rectRectangle of the refresh region.
Returns
None.

◆ Release()

virtual void foxit::pdf::PSICallback::Release ( )
pure virtual

A callback function used to release current PSICallback object itself.

Returns
None.

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