[wxWidgets.git] / include / wx / dcmirror.h

///////////////////////////////////////////////////////////////////////////////
// Name:        wx/dcmirror.h
// Purpose:     wxMirrorDC class
// Author:      Vadim Zeitlin
// Modified by:
// Created:     21.07.2003
// RCS-ID:      $Id$
// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence:     wxWindows licence
///////////////////////////////////////////////////////////////////////////////

#ifndef _WX_DCMIRROR_H_
#define _WX_DCMIRROR_H_

#include "wx/dc.h"

// ----------------------------------------------------------------------------
// wxMirrorDC allows to write the same code for horz/vertical layout
// ----------------------------------------------------------------------------

class WXDLLIMPEXP_CORE wxMirrorDCImpl : public wxDCImpl
{
public:
    // constructs a mirror DC associated with the given real DC
    //
    // if mirror parameter is true, all vertical and horizontal coordinates are
    // exchanged, otherwise this class behaves in exactly the same way as a
    // plain DC
    wxMirrorDCImpl(wxDC *owner, wxDCImpl& dc, bool mirror)
        : wxDCImpl(owner),
          m_dc(dc)
    {
        m_mirror = mirror;
    }

    // wxDCBase operations
    virtual void Clear() { m_dc.Clear(); }
    virtual void SetFont(const wxFont& font) { m_dc.SetFont(font); }
    virtual void SetPen(const wxPen& pen) { m_dc.SetPen(pen); }
    virtual void SetBrush(const wxBrush& brush) { m_dc.SetBrush(brush); }
    virtual void SetBackground(const wxBrush& brush)
        { m_dc.SetBackground(brush); }
    virtual void SetBackgroundMode(int mode) { m_dc.SetBackgroundMode(mode); }
#if wxUSE_PALETTE
    virtual void SetPalette(const wxPalette& palette)
        { m_dc.SetPalette(palette); }
#endif // wxUSE_PALETTE
    virtual void DestroyClippingRegion() { m_dc.DestroyClippingRegion(); }
    virtual wxCoord GetCharHeight() const { return m_dc.GetCharHeight(); }
    virtual wxCoord GetCharWidth() const { return m_dc.GetCharWidth(); }
    virtual bool CanDrawBitmap() const { return m_dc.CanDrawBitmap(); }
    virtual bool CanGetTextExtent() const { return m_dc.CanGetTextExtent(); }
    virtual int GetDepth() const { return m_dc.GetDepth(); }
    virtual wxSize GetPPI() const { return m_dc.GetPPI(); }
    virtual bool IsOk() const { return m_dc.IsOk(); }
    virtual void SetMapMode(wxMappingMode mode) { m_dc.SetMapMode(mode); }
    virtual void SetUserScale(double x, double y)
        { m_dc.SetUserScale(GetX(x, y), GetY(x, y)); }
    virtual void SetLogicalOrigin(wxCoord x, wxCoord y)
        { m_dc.SetLogicalOrigin(GetX(x, y), GetY(x, y)); }
    virtual void SetDeviceOrigin(wxCoord x, wxCoord y)
        { m_dc.SetDeviceOrigin(GetX(x, y), GetY(x, y)); }
    virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp)
        { m_dc.SetAxisOrientation(GetX(xLeftRight, yBottomUp),
                                  GetY(xLeftRight, yBottomUp)); }
    virtual void SetLogicalFunction(wxRasterOperationMode function)
        { m_dc.SetLogicalFunction(function); }

protected:
    // returns x and y if not mirroring or y and x if mirroring
    wxCoord GetX(wxCoord x, wxCoord y) const { return m_mirror ? y : x; }
    wxCoord GetY(wxCoord x, wxCoord y) const { return m_mirror ? x : y; }
    double GetX(double x, double y) const { return m_mirror ? y : x; }
    double GetY(double x, double y) const { return m_mirror ? x : y; }
    bool GetX(bool x, bool y) const { return m_mirror ? y : x; }
    bool GetY(bool x, bool y) const { return m_mirror ? x : y; }

    // same thing but for pointers
    wxCoord *GetX(wxCoord *x, wxCoord *y) const { return m_mirror ? y : x; }
    wxCoord *GetY(wxCoord *x, wxCoord *y) const { return m_mirror ? x : y; }

    // exchange x and y unconditionally
    static void Swap(wxCoord& x, wxCoord& y)
    {
        wxCoord t = x;
        x = y;
        y = t;
    }

    // exchange x and y components of all points in the array if necessary
    void Mirror(int n, wxPoint points[]) const
    {
        if ( m_mirror )
        {
            for ( int i = 0; i < n; i++ )
            {
                Swap(points[i].x, points[i].y);
            }
        }
    }


    // wxDCBase functions
    virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
                             wxFloodFillStyle style = wxFLOOD_SURFACE)
    {
        return m_dc.DoFloodFill(GetX(x, y), GetY(x, y), col, style);
    }

    virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
    {
        return m_dc.DoGetPixel(GetX(x, y), GetY(x, y), col);
    }


    virtual void DoDrawPoint(wxCoord x, wxCoord y)
    {
        m_dc.DoDrawPoint(GetX(x, y), GetY(x, y));
    }

    virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
    {
        m_dc.DoDrawLine(GetX(x1, y1), GetY(x1, y1), GetX(x2, y2), GetY(x2, y2));
    }

    virtual void DoDrawArc(wxCoord x1, wxCoord y1,
                           wxCoord x2, wxCoord y2,
                           wxCoord xc, wxCoord yc)
    {
        wxFAIL_MSG( wxT("this is probably wrong") );

        m_dc.DoDrawArc(GetX(x1, y1), GetY(x1, y1),
                       GetX(x2, y2), GetY(x2, y2),
                       xc, yc);
    }

    virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
                                 wxCoord w, wxCoord h)
    {
        m_dc.DoDrawCheckMark(GetX(x, y), GetY(x, y),
                             GetX(w, h), GetY(w, h));
    }

    virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
                                   double sa, double ea)
    {
        wxFAIL_MSG( wxT("this is probably wrong") );

        m_dc.DoDrawEllipticArc(GetX(x, y), GetY(x, y),
                               GetX(w, h), GetY(w, h),
                               sa, ea);
    }

    virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
    {
        m_dc.DoDrawRectangle(GetX(x, y), GetY(x, y), GetX(w, h), GetY(w, h));
    }

    virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
                                        wxCoord w, wxCoord h,
                                        double radius)
    {
        m_dc.DoDrawRoundedRectangle(GetX(x, y), GetY(x, y),
                                    GetX(w, h), GetY(w, h),
                                    radius);
    }

    virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
    {
        m_dc.DoDrawEllipse(GetX(x, y), GetY(x, y), GetX(w, h), GetY(w, h));
    }

    virtual void DoCrossHair(wxCoord x, wxCoord y)
    {
        m_dc.DoCrossHair(GetX(x, y), GetY(x, y));
    }

    virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
    {
        m_dc.DoDrawIcon(icon, GetX(x, y), GetY(x, y));
    }

    virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
                              bool useMask = false)
    {
        m_dc.DoDrawBitmap(bmp, GetX(x, y), GetY(x, y), useMask);
    }

    virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y)
    {
        // this is never mirrored
        m_dc.DoDrawText(text, x, y);
    }

    virtual void DoDrawRotatedText(const wxString& text,
                                   wxCoord x, wxCoord y, double angle)
    {
        // this is never mirrored
        m_dc.DoDrawRotatedText(text, x, y, angle);
    }

    virtual bool DoBlit(wxCoord xdest, wxCoord ydest,
                        wxCoord w, wxCoord h,
                        wxDC *source, wxCoord xsrc, wxCoord ysrc,
                        wxRasterOperationMode rop = wxCOPY, 
                        bool useMask = false,
                        wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)
    {
        return m_dc.DoBlit(GetX(xdest, ydest), GetY(xdest, ydest),
                           GetX(w, h), GetY(w, h),
                           source, GetX(xsrc, ysrc), GetY(xsrc, ysrc),
                           rop, useMask,
                           GetX(xsrcMask, ysrcMask), GetX(xsrcMask, ysrcMask));
    }

    virtual void DoGetSize(int *w, int *h) const
    {
        m_dc.DoGetSize(GetX(w, h), GetY(w, h));
    }

    virtual void DoGetSizeMM(int *w, int *h) const
    {
        m_dc.DoGetSizeMM(GetX(w, h), GetY(w, h));
    }

    virtual void DoDrawLines(int n, wxPoint points[],
                             wxCoord xoffset, wxCoord yoffset)
    {
        Mirror(n, points);

        m_dc.DoDrawLines(n, points,
                         GetX(xoffset, yoffset), GetY(xoffset, yoffset));

        Mirror(n, points);
    }

    virtual void DoDrawPolygon(int n, wxPoint points[],
                               wxCoord xoffset, wxCoord yoffset,
                               wxPolygonFillMode fillStyle = wxODDEVEN_RULE)
    {
        Mirror(n, points);

        m_dc.DoDrawPolygon(n, points,
                           GetX(xoffset, yoffset), GetY(xoffset, yoffset),
                           fillStyle);

        Mirror(n, points);
    }

    virtual void DoSetDeviceClippingRegion(const wxRegion& WXUNUSED(region))
    {
        wxFAIL_MSG( wxT("not implemented") );
    }

    virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
                                     wxCoord w, wxCoord h)
    {
        m_dc.DoSetClippingRegion(GetX(x, y), GetY(x, y), GetX(w, h), GetY(w, h));
    }

    virtual void DoGetTextExtent(const wxString& string,
                                 wxCoord *x, wxCoord *y,
                                 wxCoord *descent = NULL,
                                 wxCoord *externalLeading = NULL,
                                 const wxFont *theFont = NULL) const
    {
        // never mirrored
        m_dc.DoGetTextExtent(string, x, y, descent, externalLeading, theFont);
    }

private:
    wxDCImpl& m_dc;

    bool m_mirror;

    wxDECLARE_NO_COPY_CLASS(wxMirrorDCImpl);
};

class WXDLLIMPEXP_CORE wxMirrorDC : public wxDC
{
public:
    wxMirrorDC(wxDC& dc, bool mirror)
        : wxDC(new wxMirrorDCImpl(this, *dc.GetImpl(), mirror))
    {
        m_mirror = mirror;
    }

    // helper functions which may be useful for the users of this class
    wxSize Reflect(const wxSize& sizeOrig)
    {
        return m_mirror ? wxSize(sizeOrig.y, sizeOrig.x) : sizeOrig;
    }

private:
    bool m_mirror;

    wxDECLARE_NO_COPY_CLASS(wxMirrorDC);
};

#endif // _WX_DCMIRROR_H_
Commit	Line	Data
8f20ea03 VZ	1	///////////////////////////////////////////////////////////////////////////////
	2	// Name: wx/dcmirror.h
	3	// Purpose: wxMirrorDC class
	4	// Author: Vadim Zeitlin
	5	// Modified by:
	6	// Created: 21.07.2003
	7	// RCS-ID: $Id$
77ffb593	8	// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
65571936	9	// Licence: wxWindows licence
8f20ea03 VZ	10	///////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _WX_DCMIRROR_H_
	13	#define _WX_DCMIRROR_H_
	14
	15	#include "wx/dc.h"
	16
	17	// ----------------------------------------------------------------------------
	18	// wxMirrorDC allows to write the same code for horz/vertical layout
	19	// ----------------------------------------------------------------------------
	20
53a2db12	21	class WXDLLIMPEXP_CORE wxMirrorDCImpl : public wxDCImpl
8f20ea03 VZ	22	{
	23	public:
	24	// constructs a mirror DC associated with the given real DC
	25	//
	26	// if mirror parameter is true, all vertical and horizontal coordinates are
	27	// exchanged, otherwise this class behaves in exactly the same way as a
	28	// plain DC
f0875501 VZ	29	wxMirrorDCImpl(wxDC *owner, wxDCImpl& dc, bool mirror)
	30	: wxDCImpl(owner),
	31	m_dc(dc)
	32	{
	33	m_mirror = mirror;
	34	}
8f20ea03 VZ	35
	36	// wxDCBase operations
	37	virtual void Clear() { m_dc.Clear(); }
	38	virtual void SetFont(const wxFont& font) { m_dc.SetFont(font); }
	39	virtual void SetPen(const wxPen& pen) { m_dc.SetPen(pen); }
	40	virtual void SetBrush(const wxBrush& brush) { m_dc.SetBrush(brush); }
	41	virtual void SetBackground(const wxBrush& brush)
	42	{ m_dc.SetBackground(brush); }
	43	virtual void SetBackgroundMode(int mode) { m_dc.SetBackgroundMode(mode); }
	44	#if wxUSE_PALETTE
	45	virtual void SetPalette(const wxPalette& palette)
	46	{ m_dc.SetPalette(palette); }
	47	#endif // wxUSE_PALETTE
	48	virtual void DestroyClippingRegion() { m_dc.DestroyClippingRegion(); }
	49	virtual wxCoord GetCharHeight() const { return m_dc.GetCharHeight(); }
	50	virtual wxCoord GetCharWidth() const { return m_dc.GetCharWidth(); }
	51	virtual bool CanDrawBitmap() const { return m_dc.CanDrawBitmap(); }
	52	virtual bool CanGetTextExtent() const { return m_dc.CanGetTextExtent(); }
	53	virtual int GetDepth() const { return m_dc.GetDepth(); }
	54	virtual wxSize GetPPI() const { return m_dc.GetPPI(); }
f0875501	55	virtual bool IsOk() const { return m_dc.IsOk(); }
89efaf2b	56	virtual void SetMapMode(wxMappingMode mode) { m_dc.SetMapMode(mode); }
8f20ea03 VZ	57	virtual void SetUserScale(double x, double y)
	58	{ m_dc.SetUserScale(GetX(x, y), GetY(x, y)); }
	59	virtual void SetLogicalOrigin(wxCoord x, wxCoord y)
	60	{ m_dc.SetLogicalOrigin(GetX(x, y), GetY(x, y)); }
	61	virtual void SetDeviceOrigin(wxCoord x, wxCoord y)
	62	{ m_dc.SetDeviceOrigin(GetX(x, y), GetY(x, y)); }
	63	virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp)
	64	{ m_dc.SetAxisOrientation(GetX(xLeftRight, yBottomUp),
	65	GetY(xLeftRight, yBottomUp)); }
89efaf2b	66	virtual void SetLogicalFunction(wxRasterOperationMode function)
8f20ea03 VZ	67	{ m_dc.SetLogicalFunction(function); }
	68
	69	protected:
	70	// returns x and y if not mirroring or y and x if mirroring
	71	wxCoord GetX(wxCoord x, wxCoord y) const { return m_mirror ? y : x; }
	72	wxCoord GetY(wxCoord x, wxCoord y) const { return m_mirror ? x : y; }
	73	double GetX(double x, double y) const { return m_mirror ? y : x; }
	74	double GetY(double x, double y) const { return m_mirror ? x : y; }
	75	bool GetX(bool x, bool y) const { return m_mirror ? y : x; }
	76	bool GetY(bool x, bool y) const { return m_mirror ? x : y; }
	77
	78	// same thing but for pointers
	79	wxCoord GetX(wxCoord x, wxCoord *y) const { return m_mirror ? y : x; }
	80	wxCoord GetY(wxCoord x, wxCoord *y) const { return m_mirror ? x : y; }
	81
	82	// exchange x and y unconditionally
	83	static void Swap(wxCoord& x, wxCoord& y)
	84	{
	85	wxCoord t = x;
	86	x = y;
	87	y = t;
	88	}
	89
	90	// exchange x and y components of all points in the array if necessary
	91	void Mirror(int n, wxPoint points[]) const
	92	{
	93	if ( m_mirror )
	94	{
	95	for ( int i = 0; i < n; i++ )
	96	{
	97	Swap(points[i].x, points[i].y);
	98	}
	99	}
	100	}
	101
	102
	103	// wxDCBase functions
	104	virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
89efaf2b	105	wxFloodFillStyle style = wxFLOOD_SURFACE)
8f20ea03 VZ	106	{
	107	return m_dc.DoFloodFill(GetX(x, y), GetY(x, y), col, style);
	108	}
	109
	110	virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
	111	{
	112	return m_dc.DoGetPixel(GetX(x, y), GetY(x, y), col);
	113	}
	114
	115
	116	virtual void DoDrawPoint(wxCoord x, wxCoord y)
	117	{
	118	m_dc.DoDrawPoint(GetX(x, y), GetY(x, y));
	119	}
	120
	121	virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
	122	{
	123	m_dc.DoDrawLine(GetX(x1, y1), GetY(x1, y1), GetX(x2, y2), GetY(x2, y2));
	124	}
	125
	126	virtual void DoDrawArc(wxCoord x1, wxCoord y1,
	127	wxCoord x2, wxCoord y2,
	128	wxCoord xc, wxCoord yc)
	129	{
9a83f860	130	wxFAIL_MSG( wxT("this is probably wrong") );
8f20ea03 VZ	131
8f20ea03 VZ	132	m_dc.DoDrawArc(GetX(x1, y1), GetY(x1, y1),
68379eaf	133	GetX(x2, y2), GetY(x2, y2),
8f20ea03 VZ	134	xc, yc);
	135	}
	136
	137	virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
	138	wxCoord w, wxCoord h)
	139	{
	140	m_dc.DoDrawCheckMark(GetX(x, y), GetY(x, y),
	141	GetX(w, h), GetY(w, h));
	142	}
	143
	144	virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
	145	double sa, double ea)
	146	{
9a83f860	147	wxFAIL_MSG( wxT("this is probably wrong") );
8f20ea03 VZ	148
8f20ea03 VZ	149	m_dc.DoDrawEllipticArc(GetX(x, y), GetY(x, y),
68379eaf	150	GetX(w, h), GetY(w, h),
8f20ea03 VZ	151	sa, ea);
	152	}
	153
	154	virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
	155	{
	156	m_dc.DoDrawRectangle(GetX(x, y), GetY(x, y), GetX(w, h), GetY(w, h));
	157	}
	158
	159	virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
	160	wxCoord w, wxCoord h,
	161	double radius)
	162	{
	163	m_dc.DoDrawRoundedRectangle(GetX(x, y), GetY(x, y),
	164	GetX(w, h), GetY(w, h),
	165	radius);
	166	}
	167
	168	virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
	169	{
	170	m_dc.DoDrawEllipse(GetX(x, y), GetY(x, y), GetX(w, h), GetY(w, h));
	171	}
	172
	173	virtual void DoCrossHair(wxCoord x, wxCoord y)
	174	{
	175	m_dc.DoCrossHair(GetX(x, y), GetY(x, y));
	176	}
	177
	178	virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
	179	{
	180	m_dc.DoDrawIcon(icon, GetX(x, y), GetY(x, y));
	181	}
	182
	183	virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
68379eaf	184	bool useMask = false)
8f20ea03 VZ	185	{
	186	m_dc.DoDrawBitmap(bmp, GetX(x, y), GetY(x, y), useMask);
	187	}
	188
	189	virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y)
	190	{
	191	// this is never mirrored
	192	m_dc.DoDrawText(text, x, y);
	193	}
	194
	195	virtual void DoDrawRotatedText(const wxString& text,
	196	wxCoord x, wxCoord y, double angle)
	197	{
	198	// this is never mirrored
	199	m_dc.DoDrawRotatedText(text, x, y, angle);
	200	}
	201
	202	virtual bool DoBlit(wxCoord xdest, wxCoord ydest,
	203	wxCoord w, wxCoord h,
	204	wxDC *source, wxCoord xsrc, wxCoord ysrc,
89efaf2b FM	205	wxRasterOperationMode rop = wxCOPY,
89efaf2b FM	206	bool useMask = false,
68379eaf	207	wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)
8f20ea03 VZ	208	{
	209	return m_dc.DoBlit(GetX(xdest, ydest), GetY(xdest, ydest),
	210	GetX(w, h), GetY(w, h),
	211	source, GetX(xsrc, ysrc), GetY(xsrc, ysrc),
	212	rop, useMask,
	213	GetX(xsrcMask, ysrcMask), GetX(xsrcMask, ysrcMask));
	214	}
	215
	216	virtual void DoGetSize(int w, int h) const
	217	{
	218	m_dc.DoGetSize(GetX(w, h), GetY(w, h));
	219	}
	220
	221	virtual void DoGetSizeMM(int w, int h) const
	222	{
	223	m_dc.DoGetSizeMM(GetX(w, h), GetY(w, h));
	224	}
	225
	226	virtual void DoDrawLines(int n, wxPoint points[],
	227	wxCoord xoffset, wxCoord yoffset)
	228	{
	229	Mirror(n, points);
	230
	231	m_dc.DoDrawLines(n, points,
	232	GetX(xoffset, yoffset), GetY(xoffset, yoffset));
	233
	234	Mirror(n, points);
	235	}
	236
	237	virtual void DoDrawPolygon(int n, wxPoint points[],
	238	wxCoord xoffset, wxCoord yoffset,
89efaf2b	239	wxPolygonFillMode fillStyle = wxODDEVEN_RULE)
8f20ea03 VZ	240	{
	241	Mirror(n, points);
	242
	243	m_dc.DoDrawPolygon(n, points,
	244	GetX(xoffset, yoffset), GetY(xoffset, yoffset),
	245	fillStyle);
	246
	247	Mirror(n, points);
	248	}
	249
fdaad94e	250	virtual void DoSetDeviceClippingRegion(const wxRegion& WXUNUSED(region))
8f20ea03	251	{
9a83f860	252	wxFAIL_MSG( wxT("not implemented") );
8f20ea03 VZ	253	}
	254
	255	virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
	256	wxCoord w, wxCoord h)
	257	{
	258	m_dc.DoSetClippingRegion(GetX(x, y), GetY(x, y), GetX(w, h), GetY(w, h));
	259	}
	260
	261	virtual void DoGetTextExtent(const wxString& string,
	262	wxCoord x, wxCoord y,
	263	wxCoord *descent = NULL,
	264	wxCoord *externalLeading = NULL,
c94f845b	265	const wxFont *theFont = NULL) const
8f20ea03 VZ	266	{
	267	// never mirrored
	268	m_dc.DoGetTextExtent(string, x, y, descent, externalLeading, theFont);
	269	}
	270
	271	private:
f0875501 VZ	272	wxDCImpl& m_dc;
	273
	274	bool m_mirror;
	275
c0c133e1	276	wxDECLARE_NO_COPY_CLASS(wxMirrorDCImpl);
f0875501	277	};
8f20ea03	278
53a2db12	279	class WXDLLIMPEXP_CORE wxMirrorDC : public wxDC
f0875501 VZ	280	{
	281	public:
	282	wxMirrorDC(wxDC& dc, bool mirror)
	283	: wxDC(new wxMirrorDCImpl(this, *dc.GetImpl(), mirror))
	284	{
	285	m_mirror = mirror;
	286	}
	287
	288	// helper functions which may be useful for the users of this class
	289	wxSize Reflect(const wxSize& sizeOrig)
	290	{
	291	return m_mirror ? wxSize(sizeOrig.y, sizeOrig.x) : sizeOrig;
	292	}
	293
	294	private:
8f20ea03	295	bool m_mirror;
fc7a2a60	296
c0c133e1	297	wxDECLARE_NO_COPY_CLASS(wxMirrorDC);
8f20ea03 VZ	298	};
	299
	300	#endif // _WX_DCMIRROR_H_
	301