X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6e711d5c093dcc758e3f1670caf845612ea9fa92..ed903e42421d76ac96e0e48724c66afc611a740a:/include/wx/dcmemory.h?ds=sidebyside diff --git a/include/wx/dcmemory.h b/include/wx/dcmemory.h index 0716eab54a..4c76214c2a 100644 --- a/include/wx/dcmemory.h +++ b/include/wx/dcmemory.h @@ -1,20 +1,75 @@ +///////////////////////////////////////////////////////////////////////////// +// Name: wx/dcmemory.h +// Purpose: wxMemoryDC base header +// Author: Julian Smart +// Modified by: +// Created: +// Copyright: (c) Julian Smart +// RCS-ID: $Id$ +// Licence: wxWindows Licence +///////////////////////////////////////////////////////////////////////////// + #ifndef _WX_DCMEMORY_H_BASE_ #define _WX_DCMEMORY_H_BASE_ -#if defined(__WXMSW__) +#include "wx/bitmap.h" + +// NOTE: different native implementations of wxMemoryDC will derive from +// different wxDC classes (wxPaintDC, wxWindowDC, etc), so that +// we cannot derive wxMemoryDCBase from wxDC and then use it as the +// only base class for native impl of wxMemoryDC... +class WXDLLEXPORT wxMemoryDCBase +{ +public: + wxMemoryDCBase() { } + + // avoid warnings about having virtual functions but non virtual dtor + virtual ~wxMemoryDCBase() { } + + // select the given bitmap to draw on it + void SelectObject(wxBitmap& bmp) + { + // make sure that the given wxBitmap is not sharing its data with other + // wxBitmap instances as its contents will be modified by any drawing + // operation done on this DC + if (bmp.IsOk()) + bmp.UnShare(); + + DoSelect(bmp); + } + + // select the given bitmap for read-only + virtual void SelectObjectAsSource(const wxBitmap& bmp) + { + DoSelect(bmp); + } + +protected: + virtual void DoSelect(const wxBitmap& bmp) = 0; +}; + +#if defined(__WXPALMOS__) +#include "wx/palmos/dcmemory.h" +#elif defined(__WXMSW__) #include "wx/msw/dcmemory.h" #elif defined(__WXMOTIF__) #include "wx/motif/dcmemory.h" -#elif defined(__WXGTK__) +#elif defined(__WXGTK20__) #include "wx/gtk/dcmemory.h" +#elif defined(__WXGTK__) +#include "wx/gtk1/dcmemory.h" +#elif defined(__WXX11__) +#include "wx/x11/dcmemory.h" #elif defined(__WXMGL__) #include "wx/mgl/dcmemory.h" +#elif defined(__WXDFB__) +#include "wx/dfb/dcmemory.h" #elif defined(__WXMAC__) #include "wx/mac/dcmemory.h" +#elif defined(__WXCOCOA__) +#include "wx/cocoa/dcmemory.h" #elif defined(__WXPM__) #include "wx/os2/dcmemory.h" -#elif defined(__WXSTUBS__) -#include "wx/stubs/dcmemory.h" #endif #endif