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CodeBlocksPortable/wxWidgets-3.0.5/interface/wx/dcclient.h

109 lines
3.2 KiB
Objective-C

/////////////////////////////////////////////////////////////////////////////
// Name: dcclient.h
// Purpose: interface of wxClientDC and wxPaintDC
// Author: wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
/**
@class wxPaintDC
A wxPaintDC must be constructed if an application wishes to paint on the
client area of a window from within an EVT_PAINT() event handler. This
should normally be constructed as a temporary stack object; don't store a
wxPaintDC object. If you have an EVT_PAINT() handler, you @e must create a
wxPaintDC object within it even if you don't actually use it.
Using wxPaintDC within your EVT_PAINT() handler is important because it
automatically sets the clipping area to the damaged area of the window.
Attempts to draw outside this area do not appear.
To draw on a window from outside your EVT_PAINT() handler, construct a
wxClientDC object.
To draw on the whole window including decorations, construct a wxWindowDC
object (Windows only).
A wxPaintDC object is initialized to use the same font and colours as the
window it is associated with.
@library{wxcore}
@category{dc}
@see wxDC, wxClientDC, wxMemoryDC, wxWindowDC, wxScreenDC
*/
class wxPaintDC : public wxClientDC
{
public:
/**
Constructor. Pass a pointer to the window on which you wish to paint.
*/
wxPaintDC(wxWindow* window);
};
/**
@class wxClientDC
A wxClientDC must be constructed if an application wishes to paint on the
client area of a window from outside an EVT_PAINT() handler. This should
normally be constructed as a temporary stack object; don't store a
wxClientDC object.
To draw on a window from within an EVT_PAINT() handler, construct a
wxPaintDC object instead.
To draw on the whole window including decorations, construct a wxWindowDC
object (Windows only).
A wxClientDC object is initialized to use the same font and colours as the
window it is associated with.
@library{wxcore}
@category{dc}
@see wxDC, wxMemoryDC, wxPaintDC, wxWindowDC, wxScreenDC
*/
class wxClientDC : public wxWindowDC
{
public:
/**
Constructor. Pass a pointer to the window on which you wish to paint.
*/
wxClientDC(wxWindow* window);
};
/**
@class wxWindowDC
A wxWindowDC must be constructed if an application wishes to paint on the
whole area of a window (client and decorations). This should normally be
constructed as a temporary stack object; don't store a wxWindowDC object.
To draw on a window from inside an EVT_PAINT() handler, construct a
wxPaintDC object instead.
To draw on the client area of a window from outside an EVT_PAINT() handler,
construct a wxClientDC object.
A wxWindowDC object is initialized to use the same font and colours as the
window it is associated with.
@library{wxcore}
@category{dc}
@see wxDC, wxMemoryDC, wxPaintDC, wxClientDC, wxScreenDC
*/
class wxWindowDC : public wxDC
{
public:
/**
Constructor. Pass a pointer to the window on which you wish to paint.
*/
wxWindowDC(wxWindow* window);
};