X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b4e76e0d7e4c1be878e125df31dc9370bb0fa99e..196a75d48d1076cfa0922720c1b840d495fe2f3d:/include/wx/dcmemory.h diff --git a/include/wx/dcmemory.h b/include/wx/dcmemory.h index f2cb35f398..9618b55a22 100644 --- a/include/wx/dcmemory.h +++ b/include/wx/dcmemory.h @@ -1,15 +1,125 @@ -#ifndef __DCMEMORYH_BASE__ -#define __DCMEMORYH_BASE__ +///////////////////////////////////////////////////////////////////////////// +// Name: wx/dcmemory.h +// Purpose: wxMemoryDC base header +// Author: Julian Smart +// Modified by: +// Created: +// Copyright: (c) Julian Smart +// RCS-ID: $Id$ +// Licence: wxWindows Licence +///////////////////////////////////////////////////////////////////////////// -#if defined(__WXMSW__) +#ifndef _WX_DCMEMORY_H_BASE_ +#define _WX_DCMEMORY_H_BASE_ + +#include "wx/dc.h" +#include "wx/bitmap.h" + + +#if wxUSE_NEW_DC + +//----------------------------------------------------------------------------- +// wxMemoryDC +//----------------------------------------------------------------------------- + +class WXDLLIMPEXP_CORE wxMemoryImplDCBase +{ +public: + wxMemoryImplDCBase() { } + + virtual void DoSelect(const wxBitmap& bmp) = 0; + + virtual const wxBitmap& DoGetSelectedBitmap() const = 0; + virtual wxBitmap& DoGetSelectedBitmap() = 0; +}; + + +class WXDLLIMPEXP_CORE wxMemoryDC: public wxDC +{ +public: + wxMemoryDC(); + wxMemoryDC( wxBitmap& bitmap ); + wxMemoryDC( wxDC *dc ); + + // select the given bitmap to draw on it + void SelectObject(wxBitmap& bmp); + + // select the given bitmap for read-only + void SelectObjectAsSource(const wxBitmap& bmp); + + // get selected bitmap + const wxBitmap& GetSelectedBitmap() const; + wxBitmap& GetSelectedBitmap(); + +private: + DECLARE_DYNAMIC_CLASS(wxMemoryDC) +}; + + + +#else + +// 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; +}; + + +#endif + + +#if defined(__WXPALMOS__) +#include "wx/palmos/dcmemory.h" +#elif defined(__WXMSW__) #include "wx/msw/dcmemory.h" #elif defined(__WXMOTIF__) -#include "wx/xt/dcmemory.h" -#elif defined(__WXGTK__) +#include "wx/motif/dcmemory.h" +#elif defined(__WXGTK20__) #include "wx/gtk/dcmemory.h" -#elif defined(__WXQT__) -#include "wx/qt/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" #endif #endif - // __DCMEMORYH_BASE__ + // _WX_DCMEMORY_H_BASE_