[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

#include "wx/graphics.h"

#else

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
    wxGraphicContext* GetGraphicContext() { 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
    wxGraphicContext                *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
24a7b718 SC	39	#if wxUSE_GRAPHICS_CONTEXT
	40
	41	#include "wx/graphics.h"
	42
	43	#else
	44
20b69855 SC	45	class WXDLLEXPORT wxGraphicPath
	46	{
	47	public :
f2b8291a	48	virtual ~wxGraphicPath() {}
e828c96a	49
f2b8291a	50	virtual void MoveToPoint( wxCoord x1, wxCoord y1 ) = 0;
20b69855	51
f2b8291a DS	52	virtual void AddLineToPoint( wxCoord x1, wxCoord y1 ) = 0;
	53
	54	virtual void AddQuadCurveToPoint( wxCoord cx1, wxCoord cy1, wxCoord x1, wxCoord y1 ) = 0;
	55
	56	virtual void AddRectangle( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) = 0;
4bef5a72	57
f2b8291a	58	virtual void AddCircle( wxCoord x, wxCoord y, wxCoord r ) = 0;
4bef5a72 SC	59
4bef5a72 SC	60	// 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	61	virtual void AddArcToPoint( wxCoord x1, wxCoord y1 , wxCoord x2, wxCoord y2, wxCoord r ) = 0 ;
4bef5a72 SC	62
4bef5a72 SC	63	virtual void AddArc( wxCoord x, wxCoord y, wxCoord r, double startAngle, double endAngle, bool clockwise ) = 0 ;
f2b8291a DS	64
	65	virtual void CloseSubpath() = 0;
	66	};
20b69855 SC	67
	68	class WXDLLEXPORT wxGraphicContext
	69	{
	70	public:
	71	virtual ~wxGraphicContext() {}
	72
4bef5a72 SC	73	virtual wxGraphicPath * CreatePath() = 0;
	74
	75	virtual void PushState() = 0 ;
	76
	77	virtual void PopState() = 0 ;
	78
f2b8291a DS	79	virtual void Clip( const wxRegion &region ) = 0;
f2b8291a DS	80
4bef5a72 SC	81	virtual void SetPen( const wxPen &pen ) = 0;
	82
	83	virtual void SetBrush( const wxBrush &brush ) = 0;
	84
	85	virtual void SetFont( const wxFont &font ) = 0 ;
	86
	87	virtual void SetTextColor( const wxColour &col ) = 0 ;
	88
f2b8291a DS	89	virtual void StrokePath( const wxGraphicPath *path ) = 0;
	90
	91	virtual void DrawPath( const wxGraphicPath *path, int fillStyle = wxWINDING_RULE ) = 0;
	92
	93	virtual void FillPath( const wxGraphicPath *path, const wxColor &fillColor, int fillStyle = wxWINDING_RULE ) = 0;
	94
4bef5a72 SC	95	virtual void DrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, wxCoord w, wxCoord h ) = 0 ;
	96
	97	virtual void DrawIcon( const wxIcon &icon, wxCoord x, wxCoord y, wxCoord w, wxCoord h ) = 0 ;
	98
	99	virtual void DrawText( const wxString &str, wxCoord x, wxCoord y, double angle ) = 0 ;
	100
	101	virtual void GetTextExtent( const wxString &text, wxCoord width, wxCoord height,
	102	wxCoord descent, wxCoord externalLeading ) const = 0 ;
	103
	104	virtual void GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const = 0 ;
	105
	106	virtual void Translate( wxCoord dx , wxCoord dy ) = 0 ;
	107
	108	virtual void Scale( wxCoord xScale , wxCoord yScale ) = 0 ;
f2b8291a	109	};
20b69855	110
8cf73271 SC	111	class WXDLLEXPORT wxDC: public wxDCBase
	112	{
	113	DECLARE_DYNAMIC_CLASS(wxDC)
	114	DECLARE_NO_COPY_CLASS(wxDC)
	115
ba4afb6b	116	public:
8cf73271	117	wxDC();
d3c7fc99	118	virtual ~wxDC();
c5789d15	119
8cf73271 SC	120	// implement base class pure virtuals
	121	// ----------------------------------
	122
	123	virtual void Clear();
	124
b1263dcf	125	virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return true; }
f2b8291a	126	virtual void EndDoc(void) {}
c5789d15	127
f2b8291a DS	128	virtual void StartPage(void) {}
f2b8291a DS	129	virtual void EndPage(void) {}
8cf73271 SC	130
	131	virtual void SetFont(const wxFont& font);
	132	virtual void SetPen(const wxPen& pen);
	133	virtual void SetBrush(const wxBrush& brush);
	134	virtual void SetBackground(const wxBrush& brush);
	135	virtual void SetBackgroundMode(int mode);
	136	virtual void SetPalette(const wxPalette& palette);
	137
	138	virtual void DestroyClippingRegion();
	139
	140	virtual wxCoord GetCharHeight() const;
	141	virtual wxCoord GetCharWidth() const;
8cf73271 SC	142
	143	virtual bool CanDrawBitmap() const;
	144	virtual bool CanGetTextExtent() const;
	145	virtual int GetDepth() const;
	146	virtual wxSize GetPPI() const;
	147
	148	virtual void SetMapMode(int mode);
	149	virtual void SetUserScale(double x, double y);
	150
	151	virtual void SetLogicalScale(double x, double y);
	152	virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
	153	virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
	154	virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
	155	virtual void SetLogicalFunction(int function);
	156
f2b8291a DS	157	virtual void SetTextForeground(const wxColour& colour);
f2b8291a DS	158	virtual void SetTextBackground(const wxColour& colour);
8cf73271	159
b1263dcf	160	virtual void ComputeScaleAndOrigin();
c5789d15	161
ba4afb6b	162	public:
8cf73271 SC	163	wxCoord XDEV2LOG(wxCoord x) const
8cf73271 SC	164	{
f2b8291a DS	165	long new_x = x - m_deviceOriginX;
	166	if (new_x > 0)
	167	return (wxCoord)((double)new_x / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
	168	else
	169	return (wxCoord)((double)new_x / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
8cf73271	170	}
ba4afb6b	171
8cf73271	172	wxCoord XDEV2LOGREL(wxCoord x) const
c5789d15	173	{
f2b8291a DS	174	if (x > 0)
	175	return (wxCoord)((double)x / m_scaleX + 0.5);
	176	else
	177	return (wxCoord)((double)x / m_scaleX - 0.5);
8cf73271	178	}
ba4afb6b	179
8cf73271 SC	180	wxCoord YDEV2LOG(wxCoord y) const
8cf73271 SC	181	{
f2b8291a DS	182	long new_y = y - m_deviceOriginY;
	183	if (new_y > 0)
	184	return (wxCoord)((double)new_y / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
	185	else
	186	return (wxCoord)((double)new_y / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
8cf73271	187	}
ba4afb6b	188
8cf73271	189	wxCoord YDEV2LOGREL(wxCoord y) const
c5789d15	190	{
f2b8291a DS	191	if (y > 0)
	192	return (wxCoord)((double)y / m_scaleY + 0.5);
	193	else
	194	return (wxCoord)((double)y / m_scaleY - 0.5);
8cf73271	195	}
ba4afb6b	196
8cf73271	197	wxCoord XLOG2DEV(wxCoord x) const
c5789d15	198	{
f2b8291a DS	199	long new_x = x - m_logicalOriginX;
	200	if (new_x > 0)
	201	return (wxCoord)((double)new_x * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
	202	else
	203	return (wxCoord)((double)new_x * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
8cf73271	204	}
ba4afb6b	205
8cf73271	206	wxCoord XLOG2DEVREL(wxCoord x) const
c5789d15	207	{
f2b8291a DS	208	if (x > 0)
	209	return (wxCoord)((double)x * m_scaleX + 0.5);
	210	else
	211	return (wxCoord)((double)x * m_scaleX - 0.5);
8cf73271	212	}
ba4afb6b	213
8cf73271 SC	214	wxCoord YLOG2DEV(wxCoord y) const
8cf73271 SC	215	{
f2b8291a DS	216	long new_y = y - m_logicalOriginY;
	217	if (new_y > 0)
	218	return (wxCoord)((double)new_y * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
	219	else
	220	return (wxCoord)((double)new_y * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
8cf73271	221	}
ba4afb6b	222
8cf73271	223	wxCoord YLOG2DEVREL(wxCoord y) const
c5789d15	224	{
f2b8291a DS	225	if (y > 0)
	226	return (wxCoord)((double)y * m_scaleY + 0.5);
	227	else
	228	return (wxCoord)((double)y * m_scaleY - 0.5);
8cf73271	229	}
ba4afb6b	230
8cf73271	231	wxCoord XLOG2DEVMAC(wxCoord x) const
c5789d15	232	{
f2b8291a DS	233	long new_x = x - m_logicalOriginX;
	234	if (new_x > 0)
	235	return (wxCoord)((double)new_x * m_scaleX + 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x;
	236	else
	237	return (wxCoord)((double)new_x * m_scaleX - 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x;
8cf73271	238	}
ba4afb6b	239
8cf73271 SC	240	wxCoord YLOG2DEVMAC(wxCoord y) const
8cf73271 SC	241	{
f2b8291a DS	242	long new_y = y - m_logicalOriginY;
	243	if (new_y > 0)
	244	return (wxCoord)((double)new_y * m_scaleY + 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y;
	245	else
	246	return (wxCoord)((double)new_y * m_scaleY - 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y;
8cf73271	247	}
ba4afb6b	248
71cc158e	249	#if wxMAC_USE_CORE_GRAPHICS
f2b8291a	250	wxGraphicContext* GetGraphicContext() { return m_graphicContext; }
71cc158e	251	#else
f2b8291a DS	252	WXHRGN MacGetCurrentClipRgn() { return m_macCurrentClipRgn; }
f2b8291a DS	253	static void MacSetupBackgroundForCurrentPort(const wxBrush& background );
20b69855	254	#endif
8cf73271 SC	255
8cf73271 SC	256	protected:
6f02a879 VZ	257	virtual void DoGetTextExtent(const wxString& string,
	258	wxCoord x, wxCoord y,
	259	wxCoord *descent = NULL,
	260	wxCoord *externalLeading = NULL,
	261	wxFont *theFont = NULL) const;
f2b8291a	262
6f02a879 VZ	263	virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
6f02a879 VZ	264
8cf73271 SC	265	virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
	266	int style = wxFLOOD_SURFACE);
	267
	268	virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
	269
	270	virtual void DoDrawPoint(wxCoord x, wxCoord y);
f2b8291a	271
e828c96a SC	272	#if wxMAC_USE_CORE_GRAPHICS && wxUSE_SPLINES
	273	virtual void DoDrawSpline(wxList *points);
	274	#endif
f2b8291a	275
8cf73271 SC	276	virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
	277
	278	virtual void DoDrawArc(wxCoord x1, wxCoord y1,
	279	wxCoord x2, wxCoord y2,
	280	wxCoord xc, wxCoord yc);
c5789d15	281
8cf73271 SC	282	virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
	283	double sa, double ea);
	284
	285	virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	286	virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
	287	wxCoord width, wxCoord height,
	288	double radius);
	289	virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	290
	291	virtual void DoCrossHair(wxCoord x, wxCoord y);
	292
	293	virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
	294	virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
b1263dcf	295	bool useMask = false);
8cf73271 SC	296
	297	virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
	298	virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
	299	double angle);
	300
	301	virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
	302	wxDC *source, wxCoord xsrc, wxCoord ysrc,
b1263dcf	303	int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
8cf73271 SC	304
	305	// this is gnarly - we can't even call this function DoSetClippingRegion()
	306	// because of virtual function hiding
f2b8291a	307
8cf73271 SC	308	virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
	309	virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
	310	wxCoord width, wxCoord height);
8cf73271	311
f2b8291a	312	virtual void DoGetSizeMM(int width, int height) const;
8cf73271 SC	313
	314	virtual void DoDrawLines(int n, wxPoint points[],
	315	wxCoord xoffset, wxCoord yoffset);
	316	virtual void DoDrawPolygon(int n, wxPoint points[],
	317	wxCoord xoffset, wxCoord yoffset,
	318	int fillStyle = wxODDEVEN_RULE);
	319
ba4afb6b DS	320	protected:
	321	// scaling variables
	322	double m_mm_to_pix_x, m_mm_to_pix_y;
	323
	324	// To be set using SetDeviceOrigin()
	325	// by external classes such as wxScrolledWindow
	326	long m_externalDeviceOriginX, m_externalDeviceOriginY;
	327
377a6b3e	328	#if !wxMAC_USE_CORE_GRAPHICS
8cf73271 SC	329	// If un-scrolled is non-zero or d.o. changes with scrolling.
8cf73271 SC	330	// Set using SetInternalDeviceOrigin().
ba4afb6b	331	long m_internalDeviceOriginX, m_internalDeviceOriginY;
c5789d15	332
f2b8291a	333	WXHBITMAP m_macMask;
20b69855	334	#endif
8cf73271	335
ba4afb6b DS	336	// not yet used
ba4afb6b DS	337	bool m_needComputeScaleX, m_needComputeScaleY;
8cf73271	338
ba4afb6b DS	339	public:
ba4afb6b DS	340	// implementation
f2b8291a	341	void MacInstallFont() const;
20b69855	342
ba4afb6b DS	343	// in order to preserve the const inheritance of the virtual functions,
ba4afb6b DS	344	// we have to use mutable variables starting from CWPro 5
f2b8291a DS	345	wxPoint m_macLocalOrigin;
f2b8291a DS	346	mutable void *m_macATSUIStyle;
8cf73271	347
f2b8291a	348	WXHDC m_macPort;
ba4afb6b	349
20b69855	350	#if wxMAC_USE_CORE_GRAPHICS
f2b8291a	351	wxGraphicContext *m_graphicContext;
20b69855	352	#else
f2b8291a DS	353	void MacInstallPen() const;
	354	void MacInstallBrush() const;
	355
	356	void MacSetupPort( wxMacPortStateHelper *ph ) const;
	357	void MacCleanupPort( wxMacPortStateHelper *ph ) const;
	358
	359	mutable wxMacPortStateHelper *m_macCurrentPortStateHelper;
	360
	361	mutable bool m_macFontInstalled;
	362	mutable bool m_macPenInstalled;
	363	mutable bool m_macBrushInstalled;
	364
	365	WXHRGN m_macBoundaryClipRgn;
	366	WXHRGN m_macCurrentClipRgn;
	367	mutable bool m_macFormerAliasState;
	368	mutable short m_macFormerAliasSize;
	369	mutable bool m_macAliasWasEnabled;
	370	mutable void *m_macForegroundPixMap;
	371	mutable void *m_macBackgroundPixMap;
20b69855	372	#endif
8cf73271 SC	373	};
8cf73271 SC	374
24a7b718 SC	375	#endif
24a7b718 SC	376
ba4afb6b	377	#endif // _WX_DC_H_