[wxWidgets.git] / include / wx / mac / carbon / dc.h

/////////////////////////////////////////////////////////////////////////////
// Name:        dc.h
// Purpose:     wxDC class
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id$
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_DC_H_
#define _WX_DC_H_

#include "wx/pen.h"
#include "wx/brush.h"
#include "wx/icon.h"
#include "wx/font.h"
#include "wx/gdicmn.h"

//-----------------------------------------------------------------------------
// constants
//-----------------------------------------------------------------------------

#ifndef MM_TEXT
#define MM_TEXT            0
#define MM_ISOTROPIC    1
#define MM_ANISOTROPIC    2
#define MM_LOMETRIC        3
#define MM_HIMETRIC        4
#define MM_TWIPS        5
#define MM_POINTS        6
#define MM_METRIC        7
#endif


class wxMacPortStateHelper;

#if !wxUSE_GRAPHICS_CONTEXT

class WXDLLEXPORT wxGraphicPath
{
public :
    virtual ~wxGraphicPath() {}

    virtual void MoveToPoint( wxCoord x1, wxCoord y1 ) = 0;

    virtual void AddLineToPoint( wxCoord x1, wxCoord y1 ) = 0;

    virtual void AddQuadCurveToPoint( wxCoord cx1, wxCoord cy1, wxCoord x1, wxCoord y1 ) = 0;

    virtual void AddRectangle( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) = 0;
    
    virtual void AddCircle( wxCoord x, wxCoord y, wxCoord r ) = 0;
    
    // draws a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1)
    virtual void AddArcToPoint( wxCoord x1, wxCoord y1 , wxCoord x2, wxCoord y2, wxCoord r ) = 0 ;

    virtual void AddArc( wxCoord x, wxCoord y, wxCoord r, double startAngle, double endAngle, bool clockwise ) = 0 ;

    virtual void CloseSubpath() = 0;
};

class WXDLLEXPORT wxGraphicContext
{
public:
    virtual ~wxGraphicContext() {}

    virtual wxGraphicPath * CreatePath() = 0;
        
    virtual void PushState() = 0 ;
    
    virtual void PopState() = 0 ;

    virtual void Clip( const wxRegion &region ) = 0;

    virtual void SetPen( const wxPen &pen ) = 0;

    virtual void SetBrush( const wxBrush &brush ) = 0;
    
    virtual void SetFont( const wxFont &font ) = 0 ;
    
    virtual void SetTextColor( const wxColour &col ) = 0 ;

    virtual void StrokePath( const wxGraphicPath *path ) = 0;

    virtual void DrawPath( const wxGraphicPath *path, int fillStyle = wxWINDING_RULE ) = 0;

    virtual void FillPath( const wxGraphicPath *path, const wxColor &fillColor, int fillStyle = wxWINDING_RULE ) = 0;

    virtual void DrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, wxCoord w, wxCoord h ) = 0 ;
    
    virtual void DrawIcon( const wxIcon &icon, wxCoord x, wxCoord y, wxCoord w, wxCoord h ) = 0 ;
    
    virtual void DrawText( const wxString &str, wxCoord x, wxCoord y, double angle ) = 0 ;
    
    virtual void GetTextExtent( const wxString &text, wxCoord *width, wxCoord *height,
                            wxCoord *descent, wxCoord *externalLeading ) const  = 0 ;
    
    virtual void GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const = 0 ;
    
    virtual void Translate( wxCoord dx , wxCoord dy ) = 0 ;
    
    virtual void Scale( wxCoord xScale , wxCoord yScale ) = 0 ;
};

class WXDLLEXPORT wxDC: public wxDCBase
{
    DECLARE_DYNAMIC_CLASS(wxDC)
    DECLARE_NO_COPY_CLASS(wxDC)

public:
    wxDC();
    virtual ~wxDC();

    // implement base class pure virtuals
    // ----------------------------------

    virtual void Clear();

    virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return true; }
    virtual void EndDoc(void) {}

    virtual void StartPage(void) {}
    virtual void EndPage(void) {}

    virtual void SetFont(const wxFont& font);
    virtual void SetPen(const wxPen& pen);
    virtual void SetBrush(const wxBrush& brush);
    virtual void SetBackground(const wxBrush& brush);
    virtual void SetBackgroundMode(int mode);
    virtual void SetPalette(const wxPalette& palette);

    virtual void DestroyClippingRegion();

    virtual wxCoord GetCharHeight() const;
    virtual wxCoord GetCharWidth() const;

    virtual bool CanDrawBitmap() const;
    virtual bool CanGetTextExtent() const;
    virtual int GetDepth() const;
    virtual wxSize GetPPI() const;

    virtual void SetMapMode(int mode);
    virtual void SetUserScale(double x, double y);

    virtual void SetLogicalScale(double x, double y);
    virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
    virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
    virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
    virtual void SetLogicalFunction(int function);

    virtual void SetTextForeground(const wxColour& colour);
    virtual void SetTextBackground(const wxColour& colour);

    virtual void ComputeScaleAndOrigin();

public:
    wxCoord XDEV2LOG(wxCoord x) const
    {
        long new_x = x - m_deviceOriginX;
        if (new_x > 0)
            return (wxCoord)((double)new_x / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
        else
            return (wxCoord)((double)new_x / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
    }

    wxCoord XDEV2LOGREL(wxCoord x) const
    {
        if (x > 0)
            return (wxCoord)((double)x / m_scaleX + 0.5);
        else
            return (wxCoord)((double)x / m_scaleX - 0.5);
    }

    wxCoord YDEV2LOG(wxCoord y) const
    {
        long new_y = y - m_deviceOriginY;
        if (new_y > 0)
            return (wxCoord)((double)new_y / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
        else
            return (wxCoord)((double)new_y / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
    }

    wxCoord YDEV2LOGREL(wxCoord y) const
    {
        if (y > 0)
            return (wxCoord)((double)y / m_scaleY + 0.5);
        else
            return (wxCoord)((double)y / m_scaleY - 0.5);
    }

    wxCoord XLOG2DEV(wxCoord x) const
    {
        long new_x = x - m_logicalOriginX;
        if (new_x > 0)
            return (wxCoord)((double)new_x * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
        else
            return (wxCoord)((double)new_x * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
    }

    wxCoord XLOG2DEVREL(wxCoord x) const
    {
        if (x > 0)
            return (wxCoord)((double)x * m_scaleX + 0.5);
        else
            return (wxCoord)((double)x * m_scaleX - 0.5);
    }

    wxCoord YLOG2DEV(wxCoord y) const
    {
        long new_y = y - m_logicalOriginY;
        if (new_y > 0)
            return (wxCoord)((double)new_y * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
        else
            return (wxCoord)((double)new_y * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
    }

    wxCoord YLOG2DEVREL(wxCoord y) const
    {
        if (y > 0)
            return (wxCoord)((double)y * m_scaleY + 0.5);
        else
            return (wxCoord)((double)y * m_scaleY - 0.5);
    }

    wxCoord XLOG2DEVMAC(wxCoord x) const
    {
        long new_x = x - m_logicalOriginX;
        if (new_x > 0)
            return (wxCoord)((double)new_x * m_scaleX + 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x;
        else
            return (wxCoord)((double)new_x * m_scaleX - 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x;
    }

    wxCoord YLOG2DEVMAC(wxCoord y) const
    {
        long new_y = y - m_logicalOriginY;
        if (new_y > 0)
            return (wxCoord)((double)new_y * m_scaleY + 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y;
        else
            return (wxCoord)((double)new_y * m_scaleY - 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y;
    }

#if wxMAC_USE_CORE_GRAPHICS
    wxGraphicsContext* GetGraphicsContext() { return m_graphicContext; }
#else
    WXHRGN MacGetCurrentClipRgn() { return m_macCurrentClipRgn; }
    static void MacSetupBackgroundForCurrentPort(const wxBrush& background );
#endif

protected:
    virtual void DoGetTextExtent(const wxString& string,
        wxCoord *x, wxCoord *y,
        wxCoord *descent = NULL,
        wxCoord *externalLeading = NULL,
        wxFont *theFont = NULL) const;

    virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;

    virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
                             int style = wxFLOOD_SURFACE);

    virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;

    virtual void DoDrawPoint(wxCoord x, wxCoord y);

#if wxMAC_USE_CORE_GRAPHICS && wxUSE_SPLINES
    virtual void DoDrawSpline(wxList *points);
#endif

    virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);

    virtual void DoDrawArc(wxCoord x1, wxCoord y1,
                           wxCoord x2, wxCoord y2,
                           wxCoord xc, wxCoord yc);

    virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
                                   double sa, double ea);

    virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
    virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
                                        wxCoord width, wxCoord height,
                                        double radius);
    virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);

    virtual void DoCrossHair(wxCoord x, wxCoord y);

    virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
    virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
                              bool useMask = false);

    virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
    virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
                                   double angle);

    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 = -1, wxCoord ysrcMask = -1);

    // this is gnarly - we can't even call this function DoSetClippingRegion()
    // because of virtual function hiding

    virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
    virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
                                     wxCoord width, wxCoord height);

    virtual void DoGetSizeMM(int *width, int *height) const;

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

protected:
    // scaling variables
    double       m_mm_to_pix_x, m_mm_to_pix_y;

     // To be set using SetDeviceOrigin()
     // by external classes such as wxScrolledWindow
    long         m_externalDeviceOriginX, m_externalDeviceOriginY;

#if !wxMAC_USE_CORE_GRAPHICS
    // If un-scrolled is non-zero or d.o. changes with scrolling.
    // Set using SetInternalDeviceOrigin().
    long         m_internalDeviceOriginX, m_internalDeviceOriginY;

    WXHBITMAP            m_macMask;
#endif

    // not yet used
    bool         m_needComputeScaleX, m_needComputeScaleY;

public:
    // implementation
    void                    MacInstallFont() const;

    // in order to preserve the const inheritance of the virtual functions,
    // we have to use mutable variables starting from CWPro 5
    wxPoint                         m_macLocalOrigin;
    mutable void                   *m_macATSUIStyle;

    WXHDC                           m_macPort;

#if wxMAC_USE_CORE_GRAPHICS
    wxGraphicsContext              *m_graphicContext;
#else
    void                            MacInstallPen() const;
    void                            MacInstallBrush() const;

    void                            MacSetupPort( wxMacPortStateHelper *ph ) const;
    void                            MacCleanupPort( wxMacPortStateHelper *ph ) const;

    mutable wxMacPortStateHelper   *m_macCurrentPortStateHelper;

    mutable bool                    m_macFontInstalled;
    mutable bool                    m_macPenInstalled;
    mutable bool                    m_macBrushInstalled;

    WXHRGN                          m_macBoundaryClipRgn;
    WXHRGN                          m_macCurrentClipRgn;
    mutable bool                    m_macFormerAliasState;
    mutable short                   m_macFormerAliasSize;
    mutable bool                    m_macAliasWasEnabled;
    mutable void                   *m_macForegroundPixMap;
    mutable void                   *m_macBackgroundPixMap;
#endif
};

#endif

#endif // _WX_DC_H_
Commit	Line	Data
8cf73271 SC	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: dc.h
	3	// Purpose: wxDC class
	4	// Author: Stefan Csomor
	5	// Modified by:
	6	// Created: 1998-01-01
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Stefan Csomor
65571936	9	// Licence: wxWindows licence
8cf73271 SC	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _WX_DC_H_
	13	#define _WX_DC_H_
	14
8cf73271 SC	15	#include "wx/pen.h"
	16	#include "wx/brush.h"
	17	#include "wx/icon.h"
	18	#include "wx/font.h"
	19	#include "wx/gdicmn.h"
	20
	21	//-----------------------------------------------------------------------------
	22	// constants
	23	//-----------------------------------------------------------------------------
	24
	25	#ifndef MM_TEXT
	26	#define MM_TEXT 0
	27	#define MM_ISOTROPIC 1
	28	#define MM_ANISOTROPIC 2
	29	#define MM_LOMETRIC 3
	30	#define MM_HIMETRIC 4
	31	#define MM_TWIPS 5
	32	#define MM_POINTS 6
	33	#define MM_METRIC 7
	34	#endif
	35
8cf73271	36
f2b8291a	37	class wxMacPortStateHelper;
20b69855	38
8acd14d1	39	#if !wxUSE_GRAPHICS_CONTEXT
24a7b718	40
20b69855 SC	41	class WXDLLEXPORT wxGraphicPath
	42	{
	43	public :
f2b8291a	44	virtual ~wxGraphicPath() {}
e828c96a	45
f2b8291a	46	virtual void MoveToPoint( wxCoord x1, wxCoord y1 ) = 0;
20b69855	47
f2b8291a DS	48	virtual void AddLineToPoint( wxCoord x1, wxCoord y1 ) = 0;
	49
	50	virtual void AddQuadCurveToPoint( wxCoord cx1, wxCoord cy1, wxCoord x1, wxCoord y1 ) = 0;
	51
	52	virtual void AddRectangle( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) = 0;
4bef5a72	53
f2b8291a	54	virtual void AddCircle( wxCoord x, wxCoord y, wxCoord r ) = 0;
4bef5a72 SC	55
4bef5a72 SC	56	// draws a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1)
e34fb6ea	57	virtual void AddArcToPoint( wxCoord x1, wxCoord y1 , wxCoord x2, wxCoord y2, wxCoord r ) = 0 ;
4bef5a72 SC	58
4bef5a72 SC	59	virtual void AddArc( wxCoord x, wxCoord y, wxCoord r, double startAngle, double endAngle, bool clockwise ) = 0 ;
f2b8291a DS	60
	61	virtual void CloseSubpath() = 0;
	62	};
20b69855 SC	63
	64	class WXDLLEXPORT wxGraphicContext
	65	{
	66	public:
	67	virtual ~wxGraphicContext() {}
	68
4bef5a72 SC	69	virtual wxGraphicPath * CreatePath() = 0;
	70
	71	virtual void PushState() = 0 ;
	72
	73	virtual void PopState() = 0 ;
	74
f2b8291a DS	75	virtual void Clip( const wxRegion &region ) = 0;
f2b8291a DS	76
4bef5a72 SC	77	virtual void SetPen( const wxPen &pen ) = 0;
	78
	79	virtual void SetBrush( const wxBrush &brush ) = 0;
	80
	81	virtual void SetFont( const wxFont &font ) = 0 ;
	82
	83	virtual void SetTextColor( const wxColour &col ) = 0 ;
	84
f2b8291a DS	85	virtual void StrokePath( const wxGraphicPath *path ) = 0;
	86
	87	virtual void DrawPath( const wxGraphicPath *path, int fillStyle = wxWINDING_RULE ) = 0;
	88
	89	virtual void FillPath( const wxGraphicPath *path, const wxColor &fillColor, int fillStyle = wxWINDING_RULE ) = 0;
	90
4bef5a72 SC	91	virtual void DrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, wxCoord w, wxCoord h ) = 0 ;
	92
	93	virtual void DrawIcon( const wxIcon &icon, wxCoord x, wxCoord y, wxCoord w, wxCoord h ) = 0 ;
	94
	95	virtual void DrawText( const wxString &str, wxCoord x, wxCoord y, double angle ) = 0 ;
	96
	97	virtual void GetTextExtent( const wxString &text, wxCoord width, wxCoord height,
	98	wxCoord descent, wxCoord externalLeading ) const = 0 ;
	99
	100	virtual void GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const = 0 ;
	101
	102	virtual void Translate( wxCoord dx , wxCoord dy ) = 0 ;
	103
	104	virtual void Scale( wxCoord xScale , wxCoord yScale ) = 0 ;
f2b8291a	105	};
20b69855	106
8cf73271 SC	107	class WXDLLEXPORT wxDC: public wxDCBase
	108	{
	109	DECLARE_DYNAMIC_CLASS(wxDC)
	110	DECLARE_NO_COPY_CLASS(wxDC)
	111
ba4afb6b	112	public:
8cf73271	113	wxDC();
d3c7fc99	114	virtual ~wxDC();
c5789d15	115
8cf73271 SC	116	// implement base class pure virtuals
	117	// ----------------------------------
	118
	119	virtual void Clear();
	120
b1263dcf	121	virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return true; }
f2b8291a	122	virtual void EndDoc(void) {}
c5789d15	123
f2b8291a DS	124	virtual void StartPage(void) {}
f2b8291a DS	125	virtual void EndPage(void) {}
8cf73271 SC	126
	127	virtual void SetFont(const wxFont& font);
	128	virtual void SetPen(const wxPen& pen);
	129	virtual void SetBrush(const wxBrush& brush);
	130	virtual void SetBackground(const wxBrush& brush);
	131	virtual void SetBackgroundMode(int mode);
	132	virtual void SetPalette(const wxPalette& palette);
	133
	134	virtual void DestroyClippingRegion();
	135
	136	virtual wxCoord GetCharHeight() const;
	137	virtual wxCoord GetCharWidth() const;
8cf73271 SC	138
	139	virtual bool CanDrawBitmap() const;
	140	virtual bool CanGetTextExtent() const;
	141	virtual int GetDepth() const;
	142	virtual wxSize GetPPI() const;
	143
	144	virtual void SetMapMode(int mode);
	145	virtual void SetUserScale(double x, double y);
	146
	147	virtual void SetLogicalScale(double x, double y);
	148	virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
	149	virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
	150	virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
	151	virtual void SetLogicalFunction(int function);
	152
f2b8291a DS	153	virtual void SetTextForeground(const wxColour& colour);
f2b8291a DS	154	virtual void SetTextBackground(const wxColour& colour);
8cf73271	155
b1263dcf	156	virtual void ComputeScaleAndOrigin();
c5789d15	157
ba4afb6b	158	public:
8cf73271 SC	159	wxCoord XDEV2LOG(wxCoord x) const
8cf73271 SC	160	{
f2b8291a DS	161	long new_x = x - m_deviceOriginX;
	162	if (new_x > 0)
	163	return (wxCoord)((double)new_x / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
	164	else
	165	return (wxCoord)((double)new_x / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
8cf73271	166	}
ba4afb6b	167
8cf73271	168	wxCoord XDEV2LOGREL(wxCoord x) const
c5789d15	169	{
f2b8291a DS	170	if (x > 0)
	171	return (wxCoord)((double)x / m_scaleX + 0.5);
	172	else
	173	return (wxCoord)((double)x / m_scaleX - 0.5);
8cf73271	174	}
ba4afb6b	175
8cf73271 SC	176	wxCoord YDEV2LOG(wxCoord y) const
8cf73271 SC	177	{
f2b8291a DS	178	long new_y = y - m_deviceOriginY;
	179	if (new_y > 0)
	180	return (wxCoord)((double)new_y / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
	181	else
	182	return (wxCoord)((double)new_y / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
8cf73271	183	}
ba4afb6b	184
8cf73271	185	wxCoord YDEV2LOGREL(wxCoord y) const
c5789d15	186	{
f2b8291a DS	187	if (y > 0)
	188	return (wxCoord)((double)y / m_scaleY + 0.5);
	189	else
	190	return (wxCoord)((double)y / m_scaleY - 0.5);
8cf73271	191	}
ba4afb6b	192
8cf73271	193	wxCoord XLOG2DEV(wxCoord x) const
c5789d15	194	{
f2b8291a DS	195	long new_x = x - m_logicalOriginX;
	196	if (new_x > 0)
	197	return (wxCoord)((double)new_x * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
	198	else
	199	return (wxCoord)((double)new_x * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
8cf73271	200	}
ba4afb6b	201
8cf73271	202	wxCoord XLOG2DEVREL(wxCoord x) const
c5789d15	203	{
f2b8291a DS	204	if (x > 0)
	205	return (wxCoord)((double)x * m_scaleX + 0.5);
	206	else
	207	return (wxCoord)((double)x * m_scaleX - 0.5);
8cf73271	208	}
ba4afb6b	209
8cf73271 SC	210	wxCoord YLOG2DEV(wxCoord y) const
8cf73271 SC	211	{
f2b8291a DS	212	long new_y = y - m_logicalOriginY;
	213	if (new_y > 0)
	214	return (wxCoord)((double)new_y * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
	215	else
	216	return (wxCoord)((double)new_y * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
8cf73271	217	}
ba4afb6b	218
8cf73271	219	wxCoord YLOG2DEVREL(wxCoord y) const
c5789d15	220	{
f2b8291a DS	221	if (y > 0)
	222	return (wxCoord)((double)y * m_scaleY + 0.5);
	223	else
	224	return (wxCoord)((double)y * m_scaleY - 0.5);
8cf73271	225	}
ba4afb6b	226
8cf73271	227	wxCoord XLOG2DEVMAC(wxCoord x) const
c5789d15	228	{
f2b8291a DS	229	long new_x = x - m_logicalOriginX;
	230	if (new_x > 0)
	231	return (wxCoord)((double)new_x * m_scaleX + 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x;
	232	else
	233	return (wxCoord)((double)new_x * m_scaleX - 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x;
8cf73271	234	}
ba4afb6b	235
8cf73271 SC	236	wxCoord YLOG2DEVMAC(wxCoord y) const
8cf73271 SC	237	{
f2b8291a DS	238	long new_y = y - m_logicalOriginY;
	239	if (new_y > 0)
	240	return (wxCoord)((double)new_y * m_scaleY + 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y;
	241	else
	242	return (wxCoord)((double)new_y * m_scaleY - 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y;
8cf73271	243	}
ba4afb6b	244
71cc158e	245	#if wxMAC_USE_CORE_GRAPHICS
fd8bb466	246	wxGraphicsContext* GetGraphicsContext() { return m_graphicContext; }
71cc158e	247	#else
f2b8291a DS	248	WXHRGN MacGetCurrentClipRgn() { return m_macCurrentClipRgn; }
f2b8291a DS	249	static void MacSetupBackgroundForCurrentPort(const wxBrush& background );
20b69855	250	#endif
8cf73271 SC	251
8cf73271 SC	252	protected:
6f02a879 VZ	253	virtual void DoGetTextExtent(const wxString& string,
	254	wxCoord x, wxCoord y,
	255	wxCoord *descent = NULL,
	256	wxCoord *externalLeading = NULL,
	257	wxFont *theFont = NULL) const;
f2b8291a	258
6f02a879 VZ	259	virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
6f02a879 VZ	260
8cf73271 SC	261	virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
	262	int style = wxFLOOD_SURFACE);
	263
	264	virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
	265
	266	virtual void DoDrawPoint(wxCoord x, wxCoord y);
f2b8291a	267
e828c96a SC	268	#if wxMAC_USE_CORE_GRAPHICS && wxUSE_SPLINES
	269	virtual void DoDrawSpline(wxList *points);
	270	#endif
f2b8291a	271
8cf73271 SC	272	virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
	273
	274	virtual void DoDrawArc(wxCoord x1, wxCoord y1,
	275	wxCoord x2, wxCoord y2,
	276	wxCoord xc, wxCoord yc);
c5789d15	277
8cf73271 SC	278	virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
	279	double sa, double ea);
	280
	281	virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	282	virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
	283	wxCoord width, wxCoord height,
	284	double radius);
	285	virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	286
	287	virtual void DoCrossHair(wxCoord x, wxCoord y);
	288
	289	virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
	290	virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
b1263dcf	291	bool useMask = false);
8cf73271 SC	292
	293	virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
	294	virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
	295	double angle);
	296
	297	virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
	298	wxDC *source, wxCoord xsrc, wxCoord ysrc,
b1263dcf	299	int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
8cf73271 SC	300
	301	// this is gnarly - we can't even call this function DoSetClippingRegion()
	302	// because of virtual function hiding
f2b8291a	303
8cf73271 SC	304	virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
	305	virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
	306	wxCoord width, wxCoord height);
8cf73271	307
f2b8291a	308	virtual void DoGetSizeMM(int width, int height) const;
8cf73271 SC	309
	310	virtual void DoDrawLines(int n, wxPoint points[],
	311	wxCoord xoffset, wxCoord yoffset);
	312	virtual void DoDrawPolygon(int n, wxPoint points[],
	313	wxCoord xoffset, wxCoord yoffset,
	314	int fillStyle = wxODDEVEN_RULE);
	315
ba4afb6b DS	316	protected:
	317	// scaling variables
	318	double m_mm_to_pix_x, m_mm_to_pix_y;
	319
	320	// To be set using SetDeviceOrigin()
	321	// by external classes such as wxScrolledWindow
	322	long m_externalDeviceOriginX, m_externalDeviceOriginY;
	323
377a6b3e	324	#if !wxMAC_USE_CORE_GRAPHICS
8cf73271 SC	325	// If un-scrolled is non-zero or d.o. changes with scrolling.
8cf73271 SC	326	// Set using SetInternalDeviceOrigin().
ba4afb6b	327	long m_internalDeviceOriginX, m_internalDeviceOriginY;
c5789d15	328
f2b8291a	329	WXHBITMAP m_macMask;
20b69855	330	#endif
8cf73271	331
ba4afb6b DS	332	// not yet used
ba4afb6b DS	333	bool m_needComputeScaleX, m_needComputeScaleY;
8cf73271	334
ba4afb6b DS	335	public:
ba4afb6b DS	336	// implementation
f2b8291a	337	void MacInstallFont() const;
20b69855	338
ba4afb6b DS	339	// in order to preserve the const inheritance of the virtual functions,
ba4afb6b DS	340	// we have to use mutable variables starting from CWPro 5
f2b8291a DS	341	wxPoint m_macLocalOrigin;
f2b8291a DS	342	mutable void *m_macATSUIStyle;
8cf73271	343
f2b8291a	344	WXHDC m_macPort;
ba4afb6b	345
20b69855	346	#if wxMAC_USE_CORE_GRAPHICS
fd8bb466	347	wxGraphicsContext *m_graphicContext;
20b69855	348	#else
f2b8291a DS	349	void MacInstallPen() const;
	350	void MacInstallBrush() const;
	351
	352	void MacSetupPort( wxMacPortStateHelper *ph ) const;
	353	void MacCleanupPort( wxMacPortStateHelper *ph ) const;
	354
	355	mutable wxMacPortStateHelper *m_macCurrentPortStateHelper;
	356
	357	mutable bool m_macFontInstalled;
	358	mutable bool m_macPenInstalled;
	359	mutable bool m_macBrushInstalled;
	360
	361	WXHRGN m_macBoundaryClipRgn;
	362	WXHRGN m_macCurrentClipRgn;
	363	mutable bool m_macFormerAliasState;
	364	mutable short m_macFormerAliasSize;
	365	mutable bool m_macAliasWasEnabled;
	366	mutable void *m_macForegroundPixMap;
	367	mutable void *m_macBackgroundPixMap;
20b69855	368	#endif
8cf73271 SC	369	};
8cf73271 SC	370
24a7b718 SC	371	#endif
24a7b718 SC	372
ba4afb6b	373	#endif // _WX_DC_H_