68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
// Name: overlay.h
|
||
|
|
// Purpose: interface of wxOverlay
|
||
|
|
// Author: wxWidgets team
|
||
|
|
// Licence: wxWindows licence
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
/**
|
||
|
|
@class wxOverlay
|
||
|
|
|
||
|
|
Creates an overlay over an existing window, allowing for manipulations like
|
||
|
|
rubberbanding, etc. On wxOSX the overlay is implemented with native
|
||
|
|
platform APIs, on the other platforms it is simulated using wxMemoryDC.
|
||
|
|
|
||
|
|
@library{wxcore}
|
||
|
|
|
||
|
|
@see wxDCOverlay, wxDC
|
||
|
|
*/
|
||
|
|
class wxOverlay
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
wxOverlay();
|
||
|
|
~wxOverlay();
|
||
|
|
|
||
|
|
/**
|
||
|
|
Clears the overlay without restoring the former state. To be done, for
|
||
|
|
example, when the window content has been changed and repainted.
|
||
|
|
*/
|
||
|
|
void Reset();
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
@class wxDCOverlay
|
||
|
|
|
||
|
|
Connects an overlay with a drawing DC.
|
||
|
|
|
||
|
|
@library{wxcore}
|
||
|
|
|
||
|
|
@see wxOverlay, wxDC
|
||
|
|
|
||
|
|
*/
|
||
|
|
class wxDCOverlay
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
/**
|
||
|
|
Connects this overlay to the corresponding drawing dc, if the overlay is
|
||
|
|
not initialized yet this call will do so.
|
||
|
|
*/
|
||
|
|
wxDCOverlay(wxOverlay &overlay, wxDC *dc, int x , int y , int width , int height);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Convenience wrapper that behaves the same using the entire area of the dc.
|
||
|
|
*/
|
||
|
|
wxDCOverlay(wxOverlay &overlay, wxDC *dc);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Removes the connection between the overlay and the dc.
|
||
|
|
*/
|
||
|
|
virtual ~wxDCOverlay();
|
||
|
|
|
||
|
|
/**
|
||
|
|
Clears the layer, restoring the state at the last init.
|
||
|
|
*/
|
||
|
|
void Clear();
|
||
|
|
};
|