24ff756145
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41894 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
699 lines
32 KiB
C++
699 lines
32 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/dcbuffer.h
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// Purpose: wxBufferedDC class
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// Author: Ron Lee <ron@debian.org>
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// Modified by: Vadim Zeitlin (refactored, added bg preservation)
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// Created: 16/03/02
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// RCS-ID: $Id$
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// Copyright: (c) Ron Lee
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DCBUFFER_H_
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#define _WX_DCBUFFER_H_
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#include "wx/dcmemory.h"
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#include "wx/dcclient.h"
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#include "wx/window.h"
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// I think this patch should be test on wxMac with
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// wxTEST_PAINTDCDELEGATION as 1, and then with
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// with wxTEST_MEMORYDCDELEGATION as 1.
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#define wxTEST_PAINTDCDELEGATION 0
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#define wxTEST_MEMORYDCDELEGATION 0
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// Split platforms into two groups - those which have well-working
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// double-buffering by default, and those which do not.
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#if defined(__WXMAC__) || defined(__WXGTK20__)
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#define wxALWAYS_NATIVE_DOUBLE_BUFFER 1
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#else
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#define wxALWAYS_NATIVE_DOUBLE_BUFFER 0
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#endif
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#if wxTEST_PAINTDCDELEGATION || wxTEST_MEMORYDCDELEGATION
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#undef wxALWAYS_NATIVE_DOUBLE_BUFFER
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#define wxALWAYS_NATIVE_DOUBLE_BUFFER 0
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#endif
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// ----------------------------------------------------------------------------
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// Double buffering helper.
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// ----------------------------------------------------------------------------
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// Assumes the buffer bitmap covers the entire scrolled window,
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// and prepares the window DC accordingly
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#define wxBUFFER_VIRTUAL_AREA 0x01
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// Assumes the buffer bitmap only covers the client area;
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// does not prepare the window DC
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#define wxBUFFER_CLIENT_AREA 0x02
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class WXDLLEXPORT wxBufferedDC : public wxDC
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{
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public:
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// Default ctor, must subsequently call Init for two stage construction.
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wxBufferedDC() : wxDC(), m_targetDc(NULL), m_mainDc(NULL),
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m_buffer(NULL), m_style(0)
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{
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}
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// Construct a wxBufferedDC using a user supplied buffer.
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wxBufferedDC(wxDC *dc,
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const wxBitmap &buffer = wxNullBitmap,
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int style = wxBUFFER_CLIENT_AREA)
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: wxDC(),
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m_targetDc(NULL),
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m_mainDc(NULL)
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{
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// All other members except dcs are initialized in Init
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Init(dc, buffer, style);
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}
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// Construct a wxBufferedDC with an internal buffer of 'area'
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// (where area is usually something like the size of the window
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// being buffered)
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wxBufferedDC(wxDC *dc, const wxSize &area, int style = wxBUFFER_CLIENT_AREA)
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: wxDC(),
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m_targetDc(NULL),
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m_mainDc(NULL)
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{
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// All other members except dcs are initialized in Init
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Init(NULL, dc, area, style);
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}
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// Same, but also receives window to detect whether it is
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// natively double-buffered.
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wxBufferedDC(wxWindow* win,
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wxDC *dc,
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const wxSize &area,
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int style = wxBUFFER_CLIENT_AREA)
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: wxDC(),
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m_targetDc(NULL),
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m_mainDc(NULL)
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{
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// All other members except dcs are initialized in Init
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Init(win, dc, area, style);
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}
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// default copy ctor ok.
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// The usually desired action in the dtor is to blit the buffer.
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virtual ~wxBufferedDC()
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{
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UnMask();
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}
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void Init(wxDC *dc,
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const wxBitmap &buffer,
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int style = wxBUFFER_CLIENT_AREA)
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{
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wxASSERT_MSG( m_mainDc == NULL,
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wxT("wxBufferedDC already initialised") );
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wxASSERT_MSG( buffer.Ok(),
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wxT("invalid bitmap") );
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m_mainDc = dc;
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m_buffer = &buffer;
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m_style = style;
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UseBuffer();
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}
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void Init(wxWindow* win,
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wxDC *dc,
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const wxSize &area = wxDefaultSize,
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int style = wxBUFFER_CLIENT_AREA)
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{
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wxASSERT_MSG( m_mainDc == NULL,
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wxT("wxBufferedDC already initialised") );
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m_mainDc = dc;
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m_style = style;
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#if wxTEST_MEMORYDCDELEGATION
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if ( 0 )
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#elif wxTEST_PAINTDCDELEGATION
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if ( 1 )
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#else
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if ( win && win->IsDoubleBuffered() )
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#endif
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{
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AttachDC(dc);
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m_buffer = NULL;
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}
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else
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{
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PrepareBuffer(win, area);
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UseBuffer();
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}
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}
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void Init(wxDC *dc, const wxSize &area = wxDefaultSize, int style = wxBUFFER_CLIENT_AREA)
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{
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Init(NULL, dc, area, style);
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}
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// Blits the buffer to the dc, and detaches the dc from the buffer (so it
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// can be effectively used once only).
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//
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// Usually called in the dtor or by the dtor of derived classes if the
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// BufferedDC must blit before the derived class (which may own the dc it's
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// blitting to) is destroyed.
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void UnMask();
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// Set and get the style
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void SetStyle(int style) { m_style = style; }
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int GetStyle() const { return m_style; }
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private:
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// Prepares wxMemoryDC.
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void UseBuffer();
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// Allocate m_buffer, if necessary.
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void PrepareBuffer(wxWindow* win, const wxSize& area);
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// DC to which calls are delegated.
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wxDC* m_targetDc;
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// This the underlying DC to which we copy everything drawn on
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// this one in UnMask().
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//
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// NB: Without the existence of a wxNullDC, this must be a pointer, else it
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// could probably be a reference.
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wxDC* m_mainDc;
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// the buffer (selected in this DC)
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const wxBitmap* m_buffer;
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// the buffering style
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int m_style;
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DECLARE_NO_COPY_CLASS(wxBufferedDC)
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public:
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//
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// BEGIN DC-DELEGATION IMPLEMENTATION
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//
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wxDC& GetAttachedDC()
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{
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return *m_targetDc;
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}
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// Use this to set the DC which receives delegated calls.
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void AttachDC(wxDC* dc)
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{
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m_targetDc = dc;
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#ifdef __WXMSW__
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SetHDC( dc ? dc->GetHDC() : NULL );
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#endif
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}
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// Sets DC to NULL
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wxDC* DetachDC()
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{
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wxDC* retDc = m_targetDc;
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AttachDC(NULL);
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return retDc;
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}
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#ifdef __WXGTK__
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virtual GdkWindow* GetGDKWindow() const
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{
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return m_targetDc->GetGDKWindow();
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}
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#endif
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bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
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wxDC *source, wxCoord xsrc, wxCoord ysrc,
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int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)
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{ return m_targetDc->Blit(xdest, ydest, width, height,
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source, xsrc, ysrc, rop,
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useMask, xsrcMask, ysrcMask); }
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bool Blit(const wxPoint& destPt, const wxSize& sz,
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wxDC *source, const wxPoint& srcPt,
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int rop = wxCOPY, bool useMask = false, const wxPoint& srcPtMask = wxDefaultPosition)
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{ return m_targetDc->Blit(destPt, sz, source, srcPt,
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rop, useMask, srcPtMask); }
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virtual void CalcBoundingBox(wxCoord x, wxCoord y) { m_targetDc->CalcBoundingBox(x, y); }
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#if defined(__WXWINCE__)
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void CalculateEllipticPoints( wxList* points,
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wxCoord xStart, wxCoord yStart,
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wxCoord w, wxCoord h,
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double sa, double ea )
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{ m_targetDc->CalculateEllipticPoints(points, xStart, yStart, w,
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h, sa, ea); }
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#endif // defined(__WXWINCE__)
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virtual bool CanDrawBitmap() const { return m_targetDc->CanDrawBitmap(); }
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virtual bool CanGetTextExtent() const { return m_targetDc->CanGetTextExtent(); }
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virtual void Clear() { m_targetDc->Clear(); }
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virtual void ComputeScaleAndOrigin() { m_targetDc->ComputeScaleAndOrigin(); }
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void CrossHair(wxCoord x, wxCoord y) { m_targetDc->CrossHair(x, y); }
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void CrossHair(const wxPoint& pt) { m_targetDc->CrossHair(pt); }
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virtual void DestroyClippingRegion() { m_targetDc->DestroyClippingRegion(); }
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wxCoord DeviceToLogicalX(wxCoord x) const { return m_targetDc->DeviceToLogicalX(x); }
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wxCoord DeviceToLogicalXRel(wxCoord x) const { return m_targetDc->DeviceToLogicalXRel(x); }
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wxCoord DeviceToLogicalY(wxCoord y) const { return m_targetDc->DeviceToLogicalY(y); }
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wxCoord DeviceToLogicalYRel(wxCoord y) const { return m_targetDc->DeviceToLogicalYRel(y); }
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#if defined(__WXWINCE__)
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virtual void DoDrawEllipticArcRot( wxCoord x, wxCoord y,
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wxCoord w, wxCoord h,
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double sa = 0, double ea = 0, double angle = 0 )
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{ m_targetDc->DoDrawEllipticArcRot(x, y, w, h,
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sa, ea, angle); }
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#endif // defined(__WXWINCE__)
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void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
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wxCoord xc, wxCoord yc)
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{ m_targetDc->DrawArc(x1, y1, x2, y2,
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xc, yc); }
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void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
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{ m_targetDc->DrawArc(pt1, pt2, centre); }
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void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
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bool useMask = false)
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{ m_targetDc->DrawBitmap(bmp, x, y, useMask); }
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void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt,
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bool useMask = false)
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{ m_targetDc->DrawBitmap(bmp, pt, useMask); }
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void DrawCheckMark(wxCoord x, wxCoord y,
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wxCoord width, wxCoord height)
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{ m_targetDc->DrawCheckMark(x, y, width, height); }
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void DrawCheckMark(const wxRect& rect) { m_targetDc->DrawCheckMark(rect); }
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void DrawCircle(wxCoord x, wxCoord y, wxCoord radius) { m_targetDc->DrawCircle(x, y, radius); }
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void DrawCircle(const wxPoint& pt, wxCoord radius) { m_targetDc->DrawCircle(pt, radius); }
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void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
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{ m_targetDc->DrawEllipse(x, y, width, height); }
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void DrawEllipse(const wxPoint& pt, const wxSize& sz) { m_targetDc->DrawEllipse(pt, sz); }
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void DrawEllipse(const wxRect& rect) { m_targetDc->DrawEllipse(rect); }
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void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
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double sa, double ea)
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{ m_targetDc->DrawEllipticArc(x, y, w, h,
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sa, ea); }
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void DrawEllipticArc(const wxPoint& pt, const wxSize& sz,
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double sa, double ea)
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{ m_targetDc->DrawEllipticArc(pt, sz, sa, ea); }
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#if defined(__WXWINCE__)
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void DrawEllipticArcRot( wxCoord x, wxCoord y,
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wxCoord width, wxCoord height,
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double sa = 0, double ea = 0, double angle = 0 )
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{ m_targetDc->DrawEllipticArcRot(x, y, width, height,
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sa, ea, angle); }
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void DrawEllipticArcRot( const wxPoint& pt,
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const wxSize& sz,
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double sa = 0, double ea = 0, double angle = 0 )
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{ m_targetDc->DrawEllipticArcRot(pt, sz, sa, ea,
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angle); }
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void DrawEllipticArcRot( const wxRect& rect,
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double sa = 0, double ea = 0, double angle = 0 )
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{ m_targetDc->DrawEllipticArcRot(rect, sa, ea, angle); }
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#endif // defined(__WXWINCE__)
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void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) { m_targetDc->DrawIcon(icon, x, y); }
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void DrawIcon(const wxIcon& icon, const wxPoint& pt) { m_targetDc->DrawIcon(icon, pt); }
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virtual void DrawLabel(const wxString& text,
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const wxBitmap& image,
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const wxRect& rect,
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int alignment = wxALIGN_LEFT | wxALIGN_TOP,
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int indexAccel = -1,
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wxRect *rectBounding = NULL)
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{ m_targetDc->DrawLabel(text, image, rect, alignment,
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indexAccel, rectBounding); }
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void DrawLabel(const wxString& text, const wxRect& rect,
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int alignment = wxALIGN_LEFT | wxALIGN_TOP,
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int indexAccel = -1)
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{ m_targetDc->DrawLabel(text, rect, alignment, indexAccel); }
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void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
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{ m_targetDc->DrawLine(x1, y1, x2, y2); }
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void DrawLine(const wxPoint& pt1, const wxPoint& pt2) { m_targetDc->DrawLine(pt1, pt2); }
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void DrawLines(int n, wxPoint points[],
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wxCoord xoffset = 0, wxCoord yoffset = 0)
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{ m_targetDc->DrawLines(n, points, xoffset, yoffset); }
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void DrawLines(const wxList *list,
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wxCoord xoffset = 0, wxCoord yoffset = 0)
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{ m_targetDc->DrawLines(list, xoffset, yoffset); }
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virtual void DrawObject(wxDrawObject* drawobject) { m_targetDc->DrawObject(drawobject); }
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void DrawPoint(wxCoord x, wxCoord y) { m_targetDc->DrawPoint(x, y); }
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void DrawPoint(const wxPoint& pt) { m_targetDc->DrawPoint(pt); }
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void DrawPolyPolygon(int n, int count[], wxPoint points[],
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wxCoord xoffset = 0, wxCoord yoffset = 0,
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int fillStyle = wxODDEVEN_RULE)
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{ m_targetDc->DrawPolyPolygon(n, count, points, xoffset,
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yoffset, fillStyle); }
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void DrawPolygon(int n, wxPoint points[],
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wxCoord xoffset = 0, wxCoord yoffset = 0,
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int fillStyle = wxODDEVEN_RULE)
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{ m_targetDc->DrawPolygon(n, points, xoffset, yoffset,
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fillStyle); }
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void DrawPolygon(const wxList *list,
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wxCoord xoffset = 0, wxCoord yoffset = 0,
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int fillStyle = wxODDEVEN_RULE)
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{ m_targetDc->DrawPolygon(list, xoffset, yoffset, fillStyle); }
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void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
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{ m_targetDc->DrawRectangle(x, y, width, height); }
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void DrawRectangle(const wxPoint& pt, const wxSize& sz) { m_targetDc->DrawRectangle(pt, sz); }
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void DrawRectangle(const wxRect& rect) { m_targetDc->DrawRectangle(rect); }
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void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
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{ m_targetDc->DrawRotatedText(text, x, y, angle); }
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void DrawRotatedText(const wxString& text, const wxPoint& pt, double angle)
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{ m_targetDc->DrawRotatedText(text, pt, angle); }
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void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height,
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double radius)
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{ m_targetDc->DrawRoundedRectangle(x, y, width, height,
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radius); }
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void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz,
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double radius)
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{ m_targetDc->DrawRoundedRectangle(pt, sz, radius); }
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void DrawRoundedRectangle(const wxRect& r, double radius)
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{ m_targetDc->DrawRoundedRectangle(r, radius); }
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#if wxUSE_SPLINES
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void DrawSpline(wxCoord x1, wxCoord y1,
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wxCoord x2, wxCoord y2,
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wxCoord x3, wxCoord y3)
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{ m_targetDc->DrawSpline(x1, y1, x2, y2,
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x3, y3); }
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void DrawSpline(int n, wxPoint points[]) { m_targetDc->DrawSpline(n, points); }
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void DrawSpline(wxList *points) { m_targetDc->DrawSpline(points); }
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#endif // wxUSE_SPLINES
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void DrawText(const wxString& text, wxCoord x, wxCoord y)
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{ m_targetDc->DrawText(text, x, y); }
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void DrawText(const wxString& text, const wxPoint& pt) { m_targetDc->DrawText(text, pt); }
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virtual void EndDoc() { m_targetDc->EndDoc(); }
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virtual void EndPage() { m_targetDc->EndPage(); }
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bool FloodFill(wxCoord x, wxCoord y, const wxColour& col,
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int style = wxFLOOD_SURFACE)
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{ return m_targetDc->FloodFill(x, y, col, style); }
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bool FloodFill(const wxPoint& pt, const wxColour& col,
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int style = wxFLOOD_SURFACE)
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{ return m_targetDc->FloodFill(pt, col, style); }
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virtual const wxBrush& GetBackground() const { return m_targetDc->GetBackground(); }
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virtual int GetBackgroundMode() const { return m_targetDc->GetBackgroundMode(); }
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virtual const wxBrush& GetBrush() const { return m_targetDc->GetBrush(); }
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virtual wxCoord GetCharHeight() const { return m_targetDc->GetCharHeight(); }
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virtual wxCoord GetCharWidth() const { return m_targetDc->GetCharWidth(); }
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void GetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
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{ m_targetDc->GetClippingBox(x, y, w, h); }
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void GetClippingBox(wxRect& rect) const { m_targetDc->GetClippingBox(rect); }
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void GetClippingBox(long *x, long *y, long *w, long *h) const
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{ m_targetDc->GetClippingBox(x, y, w, h); }
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virtual int GetDepth() const { return m_targetDc->GetDepth(); }
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void GetDeviceOrigin(wxCoord *x, wxCoord *y) const { m_targetDc->GetDeviceOrigin(x, y); }
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wxPoint GetDeviceOrigin() const { return m_targetDc->GetDeviceOrigin(); }
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void GetDeviceOrigin(long *x, long *y) const { m_targetDc->GetDeviceOrigin(x, y); }
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virtual const wxFont& GetFont() const { return m_targetDc->GetFont(); }
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virtual int GetLogicalFunction() const { return m_targetDc->GetLogicalFunction(); }
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void GetLogicalOrigin(wxCoord *x, wxCoord *y) const { m_targetDc->GetLogicalOrigin(x, y); }
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wxPoint GetLogicalOrigin() const { return m_targetDc->GetLogicalOrigin(); }
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void GetLogicalOrigin(long *x, long *y) const { m_targetDc->GetLogicalOrigin(x, y); }
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virtual void GetLogicalScale(double *x, double *y) { m_targetDc->GetLogicalScale(x, y); }
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virtual int GetMapMode() const { return m_targetDc->GetMapMode(); }
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virtual void GetMultiLineTextExtent(const wxString& text,
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wxCoord *width,
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wxCoord *height,
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wxCoord *heightLine = NULL,
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wxFont *font = NULL)
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{ m_targetDc->GetMultiLineTextExtent(text, width, height, heightLine,
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font); }
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#if WXWIN_COMPATIBILITY_2_4
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virtual bool GetOptimization() { return m_targetDc->GetOptimization(); }
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#endif // WXWIN_COMPATIBILITY_2_4
|
|
virtual wxSize GetPPI() const { return m_targetDc->GetPPI(); }
|
|
bool GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
|
|
{ return m_targetDc->GetPartialTextExtents(text, widths); }
|
|
virtual const wxPen& GetPen() const { return m_targetDc->GetPen(); }
|
|
bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const
|
|
{ return m_targetDc->GetPixel(x, y, col); }
|
|
bool GetPixel(const wxPoint& pt, wxColour *col) const { return m_targetDc->GetPixel(pt, col); }
|
|
void GetSize(int *width, int *height) const { m_targetDc->GetSize(width, height); }
|
|
wxSize GetSize() const { return m_targetDc->GetSize(); }
|
|
void GetSizeMM(int* width, int* height) const { m_targetDc->GetSizeMM(width, height); }
|
|
wxSize GetSizeMM() const { return m_targetDc->GetSizeMM(); }
|
|
virtual const wxColour& GetTextBackground() const { return m_targetDc->GetTextBackground(); }
|
|
void GetTextExtent(const wxString& string,
|
|
wxCoord *x, wxCoord *y,
|
|
wxCoord *descent = NULL,
|
|
wxCoord *externalLeading = NULL,
|
|
wxFont *theFont = NULL) const
|
|
{ m_targetDc->GetTextExtent(string, x, y, descent,
|
|
externalLeading, theFont); }
|
|
void GetTextExtent(const wxString& string,
|
|
long *x, long *y,
|
|
long *descent = NULL,
|
|
long *externalLeading = NULL,
|
|
wxFont *theFont = NULL) const
|
|
{ m_targetDc->GetTextExtent(string, x, y, descent,
|
|
externalLeading, theFont); }
|
|
virtual const wxColour& GetTextForeground() const { return m_targetDc->GetTextForeground(); }
|
|
virtual void GetUserScale(double *x, double *y) const { m_targetDc->GetUserScale(x, y); }
|
|
void GradientFillConcentric(const wxRect& rect,
|
|
const wxColour& initialColour,
|
|
const wxColour& destColour)
|
|
{ m_targetDc->GradientFillConcentric(rect, initialColour, destColour); }
|
|
void GradientFillConcentric(const wxRect& rect,
|
|
const wxColour& initialColour,
|
|
const wxColour& destColour,
|
|
const wxPoint& circleCenter)
|
|
{ m_targetDc->GradientFillConcentric(rect, initialColour, destColour, circleCenter); }
|
|
void GradientFillLinear(const wxRect& rect,
|
|
const wxColour& initialColour,
|
|
const wxColour& destColour,
|
|
wxDirection nDirection = wxEAST)
|
|
{ m_targetDc->GradientFillLinear(rect, initialColour, destColour, nDirection); }
|
|
wxCoord LogicalToDeviceX(wxCoord x) const { return m_targetDc->LogicalToDeviceX(x); }
|
|
wxCoord LogicalToDeviceXRel(wxCoord x) const { return m_targetDc->LogicalToDeviceXRel(x); }
|
|
wxCoord LogicalToDeviceY(wxCoord y) const { return m_targetDc->LogicalToDeviceY(y); }
|
|
wxCoord LogicalToDeviceYRel(wxCoord y) const { return m_targetDc->LogicalToDeviceYRel(y); }
|
|
wxCoord MaxX() const { return m_targetDc->MaxX(); }
|
|
wxCoord MaxY() const { return m_targetDc->MaxY(); }
|
|
wxCoord MinX() const { return m_targetDc->MinX(); }
|
|
wxCoord MinY() const { return m_targetDc->MinY(); }
|
|
virtual bool Ok() const { return m_targetDc->Ok(); }
|
|
void ResetBoundingBox()
|
|
{ m_targetDc->ResetBoundingBox(); }
|
|
#if defined(__WXWINCE__)
|
|
void Rotate( wxList* points, double angle, wxPoint center = wxPoint(0,0) )
|
|
{ m_targetDc->Rotate(points, angle, center); }
|
|
#endif // defined(__WXWINCE__)
|
|
virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp)
|
|
{ m_targetDc->SetAxisOrientation(xLeftRight, yBottomUp); }
|
|
virtual void SetBackground(const wxBrush& brush) { m_targetDc->SetBackground(brush); }
|
|
virtual void SetBackgroundMode(int mode) { m_targetDc->SetBackgroundMode(mode); }
|
|
virtual void SetBrush(const wxBrush& brush) { m_targetDc->SetBrush(brush); }
|
|
void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
|
|
{ m_targetDc->SetClippingRegion(x, y, width, height); }
|
|
void SetClippingRegion(const wxPoint& pt, const wxSize& sz)
|
|
{ m_targetDc->SetClippingRegion(pt, sz); }
|
|
void SetClippingRegion(const wxRect& rect) { m_targetDc->SetClippingRegion(rect); }
|
|
void SetClippingRegion(const wxRegion& region) { m_targetDc->SetClippingRegion(region); }
|
|
virtual void SetDeviceOrigin(wxCoord x, wxCoord y) { m_targetDc->SetDeviceOrigin(x, y); }
|
|
virtual void SetFont(const wxFont& font) { m_targetDc->SetFont(font); }
|
|
virtual void SetLogicalFunction(int function) { m_targetDc->SetLogicalFunction(function); }
|
|
virtual void SetLogicalOrigin(wxCoord x, wxCoord y) { m_targetDc->SetLogicalOrigin(x, y); }
|
|
virtual void SetLogicalScale(double x, double y) { m_targetDc->SetLogicalScale(x, y); }
|
|
virtual void SetMapMode(int mode) { m_targetDc->SetMapMode(mode); }
|
|
#if WXWIN_COMPATIBILITY_2_4
|
|
virtual void SetOptimization(bool opt) { m_targetDc->SetOptimization(opt); }
|
|
#endif // WXWIN_COMPATIBILITY_2_4
|
|
#if wxUSE_PALETTE
|
|
virtual void SetPalette(const wxPalette& palette) { m_targetDc->SetPalette(palette); }
|
|
#endif // wxUSE_PALETTE
|
|
virtual void SetPen(const wxPen& pen) { m_targetDc->SetPen(pen); }
|
|
virtual void SetTextBackground(const wxColour& colour) { m_targetDc->SetTextBackground(colour); }
|
|
virtual void SetTextForeground(const wxColour& colour) { m_targetDc->SetTextForeground(colour); }
|
|
virtual void SetUserScale(double x, double y) { m_targetDc->SetUserScale(x, y); }
|
|
virtual bool StartDoc(const wxString& message) { return m_targetDc->StartDoc(message); }
|
|
virtual void StartPage() { m_targetDc->StartPage(); }
|
|
protected:
|
|
virtual bool DoBlit(wxCoord xdest, wxCoord ydest,
|
|
wxCoord width, wxCoord height,
|
|
wxDC *source, wxCoord xsrc, wxCoord ysrc,
|
|
int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)
|
|
{ return m_targetDc->Blit(xdest, ydest, width, height,
|
|
source, xsrc, ysrc, rop,
|
|
useMask, xsrcMask, ysrcMask); }
|
|
virtual void DoCrossHair(wxCoord x, wxCoord y) { m_targetDc->CrossHair(x, y); }
|
|
virtual void DoDrawArc(wxCoord x1, wxCoord y1,
|
|
wxCoord x2, wxCoord y2,
|
|
wxCoord xc, wxCoord yc)
|
|
{ m_targetDc->DrawArc(x1, y1, x2, y2,
|
|
xc, yc); }
|
|
virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
|
|
bool useMask = false)
|
|
{ m_targetDc->DrawBitmap(bmp, x, y, useMask); }
|
|
virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
|
|
wxCoord width, wxCoord height)
|
|
{ m_targetDc->DrawCheckMark(x, y, width, height); }
|
|
virtual void DoDrawEllipse(wxCoord x, wxCoord y,
|
|
wxCoord width, wxCoord height)
|
|
{ m_targetDc->DrawEllipse(x, y, width, height); }
|
|
virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
|
|
double sa, double ea)
|
|
{ m_targetDc->DrawEllipticArc(x, y, w, h,
|
|
sa, ea); }
|
|
virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
|
|
{ m_targetDc->DrawIcon(icon, x, y); }
|
|
virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
|
|
{ m_targetDc->DrawLine(x1, y1, x2, y2); }
|
|
virtual void DoDrawLines(int n, wxPoint points[],
|
|
wxCoord xoffset, wxCoord yoffset)
|
|
{ m_targetDc->DrawLines(n, points, xoffset, yoffset); }
|
|
virtual void DoDrawPoint(wxCoord x, wxCoord y) { m_targetDc->DrawPoint(x, y); }
|
|
virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[],
|
|
wxCoord xoffset, wxCoord yoffset,
|
|
int fillStyle)
|
|
{ m_targetDc->DrawPolyPolygon(n, count, points, xoffset,
|
|
yoffset, fillStyle); }
|
|
virtual void DoDrawPolygon(int n, wxPoint points[],
|
|
wxCoord xoffset, wxCoord yoffset,
|
|
int fillStyle = wxODDEVEN_RULE)
|
|
{ m_targetDc->DrawPolygon(n, points, xoffset, yoffset,
|
|
fillStyle); }
|
|
virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
|
|
{ m_targetDc->DrawRectangle(x, y, width, height); }
|
|
virtual void DoDrawRotatedText(const wxString& text,
|
|
wxCoord x, wxCoord y, double angle)
|
|
{ m_targetDc->DrawRotatedText(text, x, y, angle); }
|
|
virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
|
|
wxCoord width, wxCoord height,
|
|
double radius)
|
|
{ m_targetDc->DrawRoundedRectangle(x, y, width, height,
|
|
radius); }
|
|
#if wxUSE_SPLINES
|
|
virtual void DoDrawSpline(wxList *points) { m_targetDc->DrawSpline(points); }
|
|
#endif // wxUSE_SPLINES
|
|
virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y)
|
|
{ m_targetDc->DrawText(text, x, y); }
|
|
virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
|
|
int style = wxFLOOD_SURFACE)
|
|
{ return m_targetDc->FloodFill(x, y, col, style); }
|
|
virtual void DoGetClippingBox(wxCoord *x, wxCoord *y,
|
|
wxCoord *w, wxCoord *h) const
|
|
{ m_targetDc->GetClippingBox(x, y, w, h); }
|
|
virtual void DoGetDeviceOrigin(wxCoord *x, wxCoord *y) const
|
|
{ m_targetDc->GetDeviceOrigin(x, y); }
|
|
virtual void DoGetLogicalOrigin(wxCoord *x, wxCoord *y) const
|
|
{ m_targetDc->GetLogicalOrigin(x, y); }
|
|
virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
|
|
{ return m_targetDc->GetPartialTextExtents(text, widths); }
|
|
virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
|
|
{ return m_targetDc->GetPixel(x, y, col); }
|
|
virtual void DoGetSize(int *width, int *height) const { m_targetDc->GetSize(width, height); }
|
|
virtual void DoGetSizeMM(int* width, int* height) const { m_targetDc->GetSizeMM(width, height); }
|
|
virtual void DoGetTextExtent(const wxString& string,
|
|
wxCoord *x, wxCoord *y,
|
|
wxCoord *descent = NULL,
|
|
wxCoord *externalLeading = NULL,
|
|
wxFont *theFont = NULL) const
|
|
{ m_targetDc->GetTextExtent(string, x, y, descent,
|
|
externalLeading, theFont); }
|
|
virtual void DoGradientFillLinear(const wxRect& rect,
|
|
const wxColour& initialColour,
|
|
const wxColour& destColour,
|
|
wxDirection nDirection = wxEAST)
|
|
{ m_targetDc->GradientFillLinear(rect, initialColour, destColour, nDirection); }
|
|
virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
|
|
wxCoord width, wxCoord height)
|
|
{ m_targetDc->SetClippingRegion(x, y, width, height); }
|
|
virtual void DoSetClippingRegionAsRegion(const wxRegion& region)
|
|
{ m_targetDc->SetClippingRegion(region); }
|
|
};
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Double buffered PaintDC.
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// Creates a double buffered wxPaintDC, optionally allowing the
|
|
// user to specify their own buffer to use.
|
|
class wxBufferedPaintDC : public wxBufferedDC
|
|
{
|
|
public:
|
|
// If no bitmap is supplied by the user, a temporary one will be created.
|
|
wxBufferedPaintDC(wxWindow *window, const wxBitmap& buffer, int style = wxBUFFER_CLIENT_AREA)
|
|
: m_paintdc(window)
|
|
{
|
|
// If we're buffering the virtual window, scale the paint DC as well
|
|
if (style & wxBUFFER_VIRTUAL_AREA)
|
|
window->PrepareDC( m_paintdc );
|
|
|
|
if( buffer != wxNullBitmap )
|
|
Init(&m_paintdc, buffer, style);
|
|
else
|
|
Init(window, &m_paintdc, window->GetClientSize(), style);
|
|
}
|
|
|
|
// If no bitmap is supplied by the user, a temporary one will be created.
|
|
wxBufferedPaintDC(wxWindow *window, int style = wxBUFFER_CLIENT_AREA)
|
|
: m_paintdc(window)
|
|
{
|
|
// If we're using the virtual window, scale the paint DC as well
|
|
if (style & wxBUFFER_VIRTUAL_AREA)
|
|
window->PrepareDC( m_paintdc );
|
|
|
|
Init(window, &m_paintdc, window->GetClientSize(), style);
|
|
}
|
|
|
|
// default copy ctor ok.
|
|
|
|
virtual ~wxBufferedPaintDC()
|
|
{
|
|
// We must UnMask here, else by the time the base class
|
|
// does it, the PaintDC will have already been destroyed.
|
|
UnMask();
|
|
}
|
|
|
|
private:
|
|
wxPaintDC m_paintdc;
|
|
|
|
DECLARE_NO_COPY_CLASS(wxBufferedPaintDC)
|
|
};
|
|
|
|
|
|
|
|
//
|
|
// wxAutoBufferedPaintDC is a wxPaintDC in toolkits which have double-
|
|
// buffering by default. Otherwise it is a wxBufferedPaintDC. Thus,
|
|
// you can only expect it work with a simple constructor that
|
|
// accepts single wxWindow* argument.
|
|
//
|
|
#if wxALWAYS_NATIVE_DOUBLE_BUFFER
|
|
#define wxAutoBufferedPaintDCBase wxPaintDC
|
|
#else
|
|
#define wxAutoBufferedPaintDCBase wxBufferedPaintDC
|
|
#endif
|
|
|
|
|
|
#ifdef __WXDEBUG__
|
|
|
|
class wxAutoBufferedPaintDC : public wxAutoBufferedPaintDCBase
|
|
{
|
|
public:
|
|
|
|
wxAutoBufferedPaintDC(wxWindow* win)
|
|
: wxAutoBufferedPaintDCBase(win)
|
|
{
|
|
TestWinStyle(win);
|
|
}
|
|
|
|
virtual ~wxAutoBufferedPaintDC() { }
|
|
|
|
private:
|
|
|
|
void TestWinStyle(wxWindow* win)
|
|
{
|
|
// Help the user to get the double-buffering working properly.
|
|
wxASSERT_MSG( win->GetBackgroundStyle() == wxBG_STYLE_CUSTOM,
|
|
wxT("In constructor, you need to call GetBackgroundStyle(wxBG_STYLE_CUSTOM), ")
|
|
wxT("and also, if needed, paint the background manually in the paint event handler."));
|
|
}
|
|
|
|
DECLARE_NO_COPY_CLASS(wxAutoBufferedPaintDC)
|
|
};
|
|
|
|
#else // !__WXDEBUG__
|
|
|
|
// In release builds, just use typedef
|
|
typedef wxAutoBufferedPaintDCBase wxAutoBufferedPaintDC;
|
|
|
|
#endif
|
|
|
|
|
|
#endif // _WX_DCBUFFER_H_
|