[wxWidgets.git] / include / wx / gtk / dc.h

/////////////////////////////////////////////////////////////////////////////
// Name:        dc.h
// Purpose:
// Author:      Robert Roebling
// Id:          $Id$
// Copyright:   (c) 1998 Robert Roebling
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////


#ifndef __GTKDCH__
#define __GTKDCH__

#ifdef __GNUG__
#pragma interface
#endif

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

//-----------------------------------------------------------------------------
// classes
//-----------------------------------------------------------------------------

class wxDC;

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

#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

//-----------------------------------------------------------------------------
// global variables
//-----------------------------------------------------------------------------

extern int wxPageNumber;

//-----------------------------------------------------------------------------
// wxDC
//-----------------------------------------------------------------------------

class wxDC: public wxObject
{
  DECLARE_ABSTRACT_CLASS(wxDC)

public:

  wxDC();
  ~wxDC();

  virtual void BeginDrawing() {}
  virtual void EndDrawing() {}

  virtual bool Ok() const;

  virtual void FloodFill( long x, long y, const wxColour& col, int style=wxFLOOD_SURFACE ) = 0;
  inline void FloodFill(const wxPoint& pt, const wxColour& col, int style=wxFLOOD_SURFACE)
  {
      FloodFill(pt.x, pt.y, col, style);
  }
  virtual bool GetPixel( long x, long y, wxColour *col ) const = 0;
  inline bool GetPixel(const wxPoint& pt, wxColour *col) const
  {
      return GetPixel(pt.x, pt.y, col);
  }

  virtual void DrawLine( long x1, long y1, long x2, long y2 ) = 0;
  inline void DrawLine(const wxPoint& pt1, const wxPoint& pt2)
  {
      DrawLine(pt1.x, pt1.y, pt2.x, pt2.y);
  }
  virtual void CrossHair( long x, long y ) = 0;
  inline void CrossHair(const wxPoint& pt)
  {
      CrossHair(pt.x, pt.y);
  }
  virtual void DrawArc( long x1, long y1, long x2, long y2, double xc, double yc );
  inline void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
  {
      DrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y);
  }
  virtual void DrawEllipticArc( long x, long y, long width, long height, double sa, double ea ) = 0;
  virtual void DrawEllipticArc (const wxPoint& pt, const wxSize& sz, double sa, double ea)
  {
      DrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea);
  }
  virtual void DrawPoint( long x, long y ) = 0;
  inline void DrawPoint(const wxPoint& pt)
  {
      DrawPoint(pt.x, pt.y);
  }
  virtual void DrawPoint( wxPoint& point );

  virtual void DrawLines( int n, wxPoint points[], long xoffset = 0, long yoffset = 0 ) = 0;
  virtual void DrawLines( wxList *points, long xoffset = 0, long yoffset = 0 );
  virtual void DrawPolygon( int n, wxPoint points[], long xoffset = 0, long yoffset = 0,
                              int fillStyle=wxODDEVEN_RULE ) = 0;
  virtual void DrawPolygon( wxList *lines, long xoffset = 0, long yoffset = 0,
                              int fillStyle=wxODDEVEN_RULE );

  virtual void DrawRectangle( long x, long y, long width, long height ) = 0;
  inline void DrawRectangle(const wxPoint& pt, const wxSize& sz)
  {
      DrawRectangle(pt.x, pt.y, sz.x, sz.y);
  }
  inline void DrawRectangle(const wxRect& rect)
  {
      DrawRectangle(rect.x, rect.y, rect.width, rect.height);
  }
  virtual void DrawRoundedRectangle( long x, long y, long width, long height, double radius = 20.0 ) = 0;
  inline void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz, double radius = 20.0)
  {
      DrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius);
  }
  inline void DrawRoundedRectangle(const wxRect& rect, double radius = 20.0)
  {
      DrawRoundedRectangle(rect.x, rect.y, rect.width, rect.height, radius);
  }
  virtual void DrawEllipse( long x, long y, long width, long height ) = 0;
  inline void DrawEllipse(const wxPoint& pt, const wxSize& sz)
  {
      DrawEllipse(pt.x, pt.y, sz.x, sz.y);
  }
  inline void DrawEllipse(const wxRect& rect)
  {
      DrawEllipse(rect.x, rect.y, rect.width, rect.height);
  }

  virtual void DrawSpline( long x1, long y1, long x2, long y2, long x3, long y3 );
  virtual void DrawSpline( wxList *points ) = 0;
  virtual void DrawSpline( int n, wxPoint points[] );

  virtual bool CanDrawBitmap(void) const = 0;
  virtual void DrawIcon( const wxIcon &icon, long x, long y ) = 0;
  inline void DrawIcon( const wxIcon& icon, const wxPoint& pt )
  {
      DrawIcon(icon, pt.x, pt.y);
  }
  virtual void DrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask=FALSE ) = 0;
  inline void DrawBitmap( const wxBitmap& bitmap, const wxPoint& pt, bool useMask=FALSE )
  {
      DrawBitmap(bitmap, pt.x, pt.y, useMask );
  }
  virtual bool Blit( long xdest, long ydest,
                     long width, long height,
                     wxDC *source,
         long xsrc, long ysrc,
         int logical_func=wxCOPY,
         bool useMask=FALSE ) = 0;
  inline bool Blit( const wxPoint& destPt,
                    const wxSize& sz,
                    wxDC *source,
        const wxPoint& srcPt,
        int rop = wxCOPY,
        bool useMask=FALSE)
  {
    return Blit(destPt.x, destPt.y, sz.x, sz.y, source, srcPt.x, srcPt.y, rop, useMask);
  }

  virtual void DrawText( const wxString &text, long x, long y, bool use16 = FALSE ) = 0;
  inline void DrawText(const wxString& text, const wxPoint& pt, bool use16bit = FALSE )
  {
      DrawText(text, pt.x, pt.y, use16bit);
  }
  virtual bool CanGetTextExtent(void) const = 0;
  virtual void GetTextExtent( const wxString &string,
                              long *width, long *height,
                              long *descent = (long *) NULL,
            long *externalLeading = (long *) NULL,
                              wxFont *theFont = (wxFont *) NULL,
            bool use16 = FALSE ) = 0;
  virtual long GetCharWidth(void) = 0;
  virtual long GetCharHeight(void) = 0;

  virtual void Clear() = 0;

  virtual void SetFont( const wxFont &font ) = 0;
  virtual wxFont& GetFont() const { return (wxFont&)m_font; };

  virtual void SetPen( const wxPen &pen ) = 0;
  virtual wxPen& GetPen() const { return (wxPen&)m_pen; };

  virtual void SetBrush( const wxBrush &brush ) = 0;
  virtual wxBrush& GetBrush() const { return (wxBrush&)m_brush; };

  virtual void SetBackground( const wxBrush &brush ) = 0;
  virtual wxBrush& GetBackground() const { return (wxBrush&)m_backgroundBrush; };

  virtual void SetLogicalFunction( int function ) = 0;
  virtual int GetLogicalFunction() { return m_logicalFunction; };

  virtual void SetTextForeground( const wxColour &col );
  virtual void SetTextBackground( const wxColour &col );
  virtual wxColour& GetTextBackground() const { return (wxColour&)m_textBackgroundColour; };
  virtual wxColour& GetTextForeground() const { return (wxColour&)m_textForegroundColour; };

  virtual void SetBackgroundMode( int mode ) = 0;
  virtual int GetBackgroundMode() { return m_backgroundMode; };

  virtual void SetPalette( const wxPalette& palette ) = 0;
  void SetColourMap( const wxPalette& palette ) { SetPalette(palette); };

    // the first two must be overridden and called
  virtual void DestroyClippingRegion(void);
  virtual void SetClippingRegion( long x, long y, long width, long height );
  virtual void GetClippingBox( long *x, long *y, long *width, long *height ) const;
  virtual void SetClippingRegion( const wxRegion &region  ) = 0;

  virtual long MinX() const { return m_minX; }
  virtual long MaxX() const { return m_maxX; }
  virtual long MinY() const { return m_minY; }
  virtual long MaxY() const { return m_maxY; }

  // Size in device units
  virtual void GetSize( int* width, int* height ) const;
  inline wxSize GetSize(void) const { int w, h; GetSize(&w, &h); return wxSize(w, h); }

  // Size in millimetres
  virtual void GetSizeMM( int* width, int* height ) const;
  inline wxSize GetSizeMM(void) const { int w, h; GetSizeMM(&w, &h); return wxSize(w, h); }

  // Resolution in pixels per logical inch
  virtual wxSize GetPPI(void) const;

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

  virtual void SetMapMode( int mode );
  virtual int GetMapMode(void) const { return m_mappingMode; };

  virtual void SetUserScale( double x, double y );
  virtual void GetUserScale( double *x, double *y );
  virtual void SetLogicalScale( double x, double y );
  virtual void GetLogicalScale( double *x, double *y );

  virtual void SetLogicalOrigin( long x, long y );
  virtual void GetLogicalOrigin( long *x, long *y );
  virtual void SetDeviceOrigin( long x, long y );
  virtual void GetDeviceOrigin( long *x, long *y );

  virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );

  virtual void SetOptimization( bool WXUNUSED(optimize) ) {}
  virtual bool GetOptimization() { return m_optimize; }

  virtual long DeviceToLogicalX(long x) const;
  virtual long DeviceToLogicalY(long y) const;
  virtual long DeviceToLogicalXRel(long x) const;
  virtual long DeviceToLogicalYRel(long y) const;
  virtual long LogicalToDeviceX(long x) const;
  virtual long LogicalToDeviceY(long y) const;
  virtual long LogicalToDeviceXRel(long x) const;
  virtual long LogicalToDeviceYRel(long y) const;

  // implementation

    void CalcBoundingBox( long x, long y );
    void ComputeScaleAndOrigin();

    long XDEV2LOG(long x) const
  {
    long new_x = x - m_deviceOriginX;
    if (new_x > 0)
      return (long)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
    else
      return (long)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
  }
    long XDEV2LOGREL(long x) const
  {
    if (x > 0)
      return (long)((double)(x) / m_scaleX + 0.5);
    else
      return (long)((double)(x) / m_scaleX - 0.5);
  }
    long YDEV2LOG(long y) const
  {
    long new_y = y - m_deviceOriginY;
    if (new_y > 0)
      return (long)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
    else
      return (long)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
  }
    long YDEV2LOGREL(long y) const
  {
    if (y > 0)
      return (long)((double)(y) / m_scaleY + 0.5);
    else
      return (long)((double)(y) / m_scaleY - 0.5);
  }
    long XLOG2DEV(long x) const
  {
    long new_x = x - m_logicalOriginX;
    if (new_x > 0)
      return (long)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
    else
      return (long)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
  }
    long XLOG2DEVREL(long x) const
  {
    if (x > 0)
      return (long)((double)(x) * m_scaleX + 0.5);
    else
      return (long)((double)(x) * m_scaleX - 0.5);
  }
    long YLOG2DEV(long y) const
  {
    long new_y = y - m_logicalOriginY;
    if (new_y > 0)
      return (long)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
    else
      return (long)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
  }
    long YLOG2DEVREL(long y) const
  {
    if (y > 0)
      return (long)((double)(y) * m_scaleY + 0.5);
    else
      return (long)((double)(y) * m_scaleY - 0.5);
  }


  public:

    bool         m_ok;
    bool         m_colour;

    // not sure, what these mean
    bool         m_clipping;      // Is clipping on right now ?
    bool         m_isInteractive; // Is GetPixel possible ?
    bool         m_autoSetting;   // wxMSW only ?
    bool         m_dontDelete;    // wxMSW only ?
    bool         m_optimize;      // wxMSW only ?

    wxPen        m_pen;
    wxBrush      m_brush;
    wxBrush      m_backgroundBrush;
    wxColour     m_textForegroundColour;
    wxColour     m_textBackgroundColour;
    wxFont       m_font;

    int          m_logicalFunction;
    int          m_backgroundMode;
    int          m_textAlignment;    // gone in wxWin 2.0 ?

    int          m_mappingMode;

    // not sure what for, but what is a mm on a screen you don't know the size of?
    double       m_mm_to_pix_x,m_mm_to_pix_y;

    long         m_deviceOriginX,m_deviceOriginY;

    long         m_logicalOriginX,m_logicalOriginY;                 // User defined.

    double       m_scaleX,m_scaleY;
    double       m_logicalScaleX,m_logicalScaleY;
    double       m_userScaleX,m_userScaleY;
    long         m_signX,m_signY;

    bool         m_needComputeScaleX,m_needComputeScaleY;         // not yet used

    float        m_scaleFactor;  // wxPSDC wants to have this. Will disappear.

    long         m_clipX1,m_clipY1,m_clipX2,m_clipY2;
    long         m_minX,m_maxX,m_minY,m_maxY;
};

#endif // __GTKDCH__
Commit	Line	Data
c801d85f KB	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: dc.h
	3	// Purpose:
	4	// Author: Robert Roebling
dbf858b5 RR	5	// Id: $Id$
dbf858b5 RR	6	// Copyright: (c) 1998 Robert Roebling
8bbe427f	7	// Licence: wxWindows licence
c801d85f KB	8	/////////////////////////////////////////////////////////////////////////////
	9
	10
	11	#ifndef __GTKDCH__
	12	#define __GTKDCH__
	13
	14	#ifdef __GNUG__
	15	#pragma interface
	16	#endif
	17
	18	#include "wx/defs.h"
	19	#include "wx/object.h"
	20	#include "wx/gdicmn.h"
	21	#include "wx/pen.h"
	22	#include "wx/brush.h"
	23	#include "wx/icon.h"
	24	#include "wx/font.h"
	25	#include "wx/gdicmn.h"
	26
	27	//-----------------------------------------------------------------------------
	28	// classes
	29	//-----------------------------------------------------------------------------
	30
	31	class wxDC;
	32
	33	//-----------------------------------------------------------------------------
	34	// constants
	35	//-----------------------------------------------------------------------------
	36
8bbe427f VZ	37	#define MM_TEXT 0
	38	#define MM_ISOTROPIC 1
	39	#define MM_ANISOTROPIC 2
	40	#define MM_LOMETRIC 3
	41	#define MM_HIMETRIC 4
	42	#define MM_TWIPS 5
	43	#define MM_POINTS 6
	44	#define MM_METRIC 7
c801d85f KB	45
	46	//-----------------------------------------------------------------------------
	47	// global variables
	48	//-----------------------------------------------------------------------------
	49
	50	extern int wxPageNumber;
	51
	52	//-----------------------------------------------------------------------------
	53	// wxDC
	54	//-----------------------------------------------------------------------------
	55
	56	class wxDC: public wxObject
	57	{
	58	DECLARE_ABSTRACT_CLASS(wxDC)
	59
463c1fa1	60	public:
c801d85f	61
4bc67cc5 RR	62	wxDC();
4bc67cc5 RR	63	~wxDC();
8bbe427f	64
4bc67cc5 RR	65	virtual void BeginDrawing() {}
4bc67cc5 RR	66	virtual void EndDrawing() {}
8bbe427f	67
4bc67cc5	68	virtual bool Ok() const;
c801d85f	69
463c1fa1 RR	70	virtual void FloodFill( long x, long y, const wxColour& col, int style=wxFLOOD_SURFACE ) = 0;
	71	inline void FloodFill(const wxPoint& pt, const wxColour& col, int style=wxFLOOD_SURFACE)
	72	{
	73	FloodFill(pt.x, pt.y, col, style);
	74	}
	75	virtual bool GetPixel( long x, long y, wxColour *col ) const = 0;
	76	inline bool GetPixel(const wxPoint& pt, wxColour *col) const
	77	{
	78	return GetPixel(pt.x, pt.y, col);
	79	}
c801d85f	80
463c1fa1 RR	81	virtual void DrawLine( long x1, long y1, long x2, long y2 ) = 0;
	82	inline void DrawLine(const wxPoint& pt1, const wxPoint& pt2)
	83	{
	84	DrawLine(pt1.x, pt1.y, pt2.x, pt2.y);
	85	}
	86	virtual void CrossHair( long x, long y ) = 0;
	87	inline void CrossHair(const wxPoint& pt)
	88	{
	89	CrossHair(pt.x, pt.y);
	90	}
	91	virtual void DrawArc( long x1, long y1, long x2, long y2, double xc, double yc );
	92	inline void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
	93	{
	94	DrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y);
	95	}
	96	virtual void DrawEllipticArc( long x, long y, long width, long height, double sa, double ea ) = 0;
	97	virtual void DrawEllipticArc (const wxPoint& pt, const wxSize& sz, double sa, double ea)
	98	{
	99	DrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea);
	100	}
	101	virtual void DrawPoint( long x, long y ) = 0;
	102	inline void DrawPoint(const wxPoint& pt)
	103	{
	104	DrawPoint(pt.x, pt.y);
	105	}
	106	virtual void DrawPoint( wxPoint& point );
8bbe427f	107
463c1fa1 RR	108	virtual void DrawLines( int n, wxPoint points[], long xoffset = 0, long yoffset = 0 ) = 0;
463c1fa1 RR	109	virtual void DrawLines( wxList *points, long xoffset = 0, long yoffset = 0 );
8bbe427f	110	virtual void DrawPolygon( int n, wxPoint points[], long xoffset = 0, long yoffset = 0,
c801d85f	111	int fillStyle=wxODDEVEN_RULE ) = 0;
8bbe427f	112	virtual void DrawPolygon( wxList *lines, long xoffset = 0, long yoffset = 0,
c801d85f	113	int fillStyle=wxODDEVEN_RULE );
8bbe427f	114
463c1fa1 RR	115	virtual void DrawRectangle( long x, long y, long width, long height ) = 0;
	116	inline void DrawRectangle(const wxPoint& pt, const wxSize& sz)
	117	{
	118	DrawRectangle(pt.x, pt.y, sz.x, sz.y);
	119	}
	120	inline void DrawRectangle(const wxRect& rect)
	121	{
	122	DrawRectangle(rect.x, rect.y, rect.width, rect.height);
	123	}
	124	virtual void DrawRoundedRectangle( long x, long y, long width, long height, double radius = 20.0 ) = 0;
	125	inline void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz, double radius = 20.0)
	126	{
	127	DrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius);
	128	}
	129	inline void DrawRoundedRectangle(const wxRect& rect, double radius = 20.0)
	130	{
	131	DrawRoundedRectangle(rect.x, rect.y, rect.width, rect.height, radius);
	132	}
	133	virtual void DrawEllipse( long x, long y, long width, long height ) = 0;
	134	inline void DrawEllipse(const wxPoint& pt, const wxSize& sz)
	135	{
	136	DrawEllipse(pt.x, pt.y, sz.x, sz.y);
	137	}
	138	inline void DrawEllipse(const wxRect& rect)
	139	{
	140	DrawEllipse(rect.x, rect.y, rect.width, rect.height);
	141	}
8bbe427f	142
463c1fa1 RR	143	virtual void DrawSpline( long x1, long y1, long x2, long y2, long x3, long y3 );
	144	virtual void DrawSpline( wxList *points ) = 0;
	145	virtual void DrawSpline( int n, wxPoint points[] );
8bbe427f	146
463c1fa1 RR	147	virtual bool CanDrawBitmap(void) const = 0;
	148	virtual void DrawIcon( const wxIcon &icon, long x, long y ) = 0;
	149	inline void DrawIcon( const wxIcon& icon, const wxPoint& pt )
	150	{
	151	DrawIcon(icon, pt.x, pt.y);
	152	}
	153	virtual void DrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask=FALSE ) = 0;
	154	inline void DrawBitmap( const wxBitmap& bitmap, const wxPoint& pt, bool useMask=FALSE )
	155	{
	156	DrawBitmap(bitmap, pt.x, pt.y, useMask );
	157	}
8bbe427f	158	virtual bool Blit( long xdest, long ydest,
463c1fa1	159	long width, long height,
8bbe427f VZ	160	wxDC *source,
	161	long xsrc, long ysrc,
	162	int logical_func=wxCOPY,
	163	bool useMask=FALSE ) = 0;
	164	inline bool Blit( const wxPoint& destPt,
463c1fa1	165	const wxSize& sz,
8bbe427f VZ	166	wxDC *source,
	167	const wxPoint& srcPt,
	168	int rop = wxCOPY,
	169	bool useMask=FALSE)
463c1fa1 RR	170	{
	171	return Blit(destPt.x, destPt.y, sz.x, sz.y, source, srcPt.x, srcPt.y, rop, useMask);
	172	}
c801d85f	173
463c1fa1 RR	174	virtual void DrawText( const wxString &text, long x, long y, bool use16 = FALSE ) = 0;
	175	inline void DrawText(const wxString& text, const wxPoint& pt, bool use16bit = FALSE )
	176	{
	177	DrawText(text, pt.x, pt.y, use16bit);
	178	}
	179	virtual bool CanGetTextExtent(void) const = 0;
8bbe427f	180	virtual void GetTextExtent( const wxString &string,
463c1fa1	181	long width, long height,
8bbe427f VZ	182	long descent = (long ) NULL,
	183	long externalLeading = (long ) NULL,
	184	wxFont theFont = (wxFont ) NULL,
	185	bool use16 = FALSE ) = 0;
463c1fa1 RR	186	virtual long GetCharWidth(void) = 0;
463c1fa1 RR	187	virtual long GetCharHeight(void) = 0;
8bbe427f	188
4bc67cc5	189	virtual void Clear() = 0;
8bbe427f	190
463c1fa1	191	virtual void SetFont( const wxFont &font ) = 0;
4f22cf8d	192	virtual wxFont& GetFont() const { return (wxFont&)m_font; };
8bbe427f	193
463c1fa1	194	virtual void SetPen( const wxPen &pen ) = 0;
4f22cf8d	195	virtual wxPen& GetPen() const { return (wxPen&)m_pen; };
8bbe427f	196
463c1fa1	197	virtual void SetBrush( const wxBrush &brush ) = 0;
4f22cf8d	198	virtual wxBrush& GetBrush() const { return (wxBrush&)m_brush; };
c801d85f	199
463c1fa1	200	virtual void SetBackground( const wxBrush &brush ) = 0;
4f22cf8d	201	virtual wxBrush& GetBackground() const { return (wxBrush&)m_backgroundBrush; };
46dc76ba	202
463c1fa1	203	virtual void SetLogicalFunction( int function ) = 0;
4bc67cc5	204	virtual int GetLogicalFunction() { return m_logicalFunction; };
8bbe427f	205
463c1fa1 RR	206	virtual void SetTextForeground( const wxColour &col );
463c1fa1 RR	207	virtual void SetTextBackground( const wxColour &col );
4bc67cc5 RR	208	virtual wxColour& GetTextBackground() const { return (wxColour&)m_textBackgroundColour; };
4bc67cc5 RR	209	virtual wxColour& GetTextForeground() const { return (wxColour&)m_textForegroundColour; };
8bbe427f	210
463c1fa1	211	virtual void SetBackgroundMode( int mode ) = 0;
4bc67cc5	212	virtual int GetBackgroundMode() { return m_backgroundMode; };
8bbe427f	213
463c1fa1 RR	214	virtual void SetPalette( const wxPalette& palette ) = 0;
463c1fa1 RR	215	void SetColourMap( const wxPalette& palette ) { SetPalette(palette); };
8bbe427f	216
c801d85f	217	// the first two must be overridden and called
463c1fa1 RR	218	virtual void DestroyClippingRegion(void);
	219	virtual void SetClippingRegion( long x, long y, long width, long height );
	220	virtual void GetClippingBox( long x, long y, long width, long height ) const;
	221	virtual void SetClippingRegion( const wxRegion &region ) = 0;
8bbe427f	222
4bc67cc5 RR	223	virtual long MinX() const { return m_minX; }
	224	virtual long MaxX() const { return m_maxX; }
	225	virtual long MinY() const { return m_minY; }
	226	virtual long MaxY() const { return m_maxY; }
c801d85f	227
7bcb11d3	228	// Size in device units
463c1fa1 RR	229	virtual void GetSize( int* width, int* height ) const;
463c1fa1 RR	230	inline wxSize GetSize(void) const { int w, h; GetSize(&w, &h); return wxSize(w, h); }
7bcb11d3 JS	231
	232	// Size in millimetres
	233	virtual void GetSizeMM( int* width, int* height ) const;
	234	inline wxSize GetSizeMM(void) const { int w, h; GetSizeMM(&w, &h); return wxSize(w, h); }
	235
	236	// Resolution in pixels per logical inch
	237	virtual wxSize GetPPI(void) const;
8bbe427f	238
4bc67cc5 RR	239	virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; }
	240	virtual void EndDoc() {}
	241	virtual void StartPage() {}
	242	virtual void EndPage() {}
8bbe427f	243
463c1fa1 RR	244	virtual void SetMapMode( int mode );
463c1fa1 RR	245	virtual int GetMapMode(void) const { return m_mappingMode; };
8bbe427f	246
463c1fa1 RR	247	virtual void SetUserScale( double x, double y );
	248	virtual void GetUserScale( double x, double y );
	249	virtual void SetLogicalScale( double x, double y );
	250	virtual void GetLogicalScale( double x, double y );
8bbe427f	251
463c1fa1 RR	252	virtual void SetLogicalOrigin( long x, long y );
	253	virtual void GetLogicalOrigin( long x, long y );
	254	virtual void SetDeviceOrigin( long x, long y );
	255	virtual void GetDeviceOrigin( long x, long y );
c801d85f	256
463c1fa1	257	virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
8bbe427f	258
4bc67cc5 RR	259	virtual void SetOptimization( bool WXUNUSED(optimize) ) {}
4bc67cc5 RR	260	virtual bool GetOptimization() { return m_optimize; }
8bbe427f	261
463c1fa1 RR	262	virtual long DeviceToLogicalX(long x) const;
	263	virtual long DeviceToLogicalY(long y) const;
	264	virtual long DeviceToLogicalXRel(long x) const;
	265	virtual long DeviceToLogicalYRel(long y) const;
	266	virtual long LogicalToDeviceX(long x) const;
	267	virtual long LogicalToDeviceY(long y) const;
	268	virtual long LogicalToDeviceXRel(long x) const;
	269	virtual long LogicalToDeviceYRel(long y) const;
c801d85f	270
463c1fa1	271	// implementation
8bbe427f	272
c801d85f	273	void CalcBoundingBox( long x, long y );
4bc67cc5	274	void ComputeScaleAndOrigin();
8bbe427f	275
c801d85f	276	long XDEV2LOG(long x) const
8bbe427f VZ	277	{
	278	long new_x = x - m_deviceOriginX;
	279	if (new_x > 0)
	280	return (long)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
	281	else
	282	return (long)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
	283	}
c801d85f	284	long XDEV2LOGREL(long x) const
8bbe427f VZ	285	{
	286	if (x > 0)
	287	return (long)((double)(x) / m_scaleX + 0.5);
	288	else
	289	return (long)((double)(x) / m_scaleX - 0.5);
	290	}
c801d85f	291	long YDEV2LOG(long y) const
8bbe427f VZ	292	{
	293	long new_y = y - m_deviceOriginY;
	294	if (new_y > 0)
	295	return (long)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
	296	else
	297	return (long)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
	298	}
c801d85f	299	long YDEV2LOGREL(long y) const
8bbe427f VZ	300	{
	301	if (y > 0)
	302	return (long)((double)(y) / m_scaleY + 0.5);
	303	else
	304	return (long)((double)(y) / m_scaleY - 0.5);
	305	}
c801d85f	306	long XLOG2DEV(long x) const
8bbe427f VZ	307	{
	308	long new_x = x - m_logicalOriginX;
	309	if (new_x > 0)
	310	return (long)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
	311	else
	312	return (long)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
	313	}
c801d85f	314	long XLOG2DEVREL(long x) const
8bbe427f VZ	315	{
	316	if (x > 0)
	317	return (long)((double)(x) * m_scaleX + 0.5);
	318	else
	319	return (long)((double)(x) * m_scaleX - 0.5);
	320	}
c801d85f	321	long YLOG2DEV(long y) const
8bbe427f VZ	322	{
	323	long new_y = y - m_logicalOriginY;
	324	if (new_y > 0)
	325	return (long)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
	326	else
	327	return (long)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
	328	}
c801d85f	329	long YLOG2DEVREL(long y) const
8bbe427f VZ	330	{
	331	if (y > 0)
	332	return (long)((double)(y) * m_scaleY + 0.5);
	333	else
	334	return (long)((double)(y) * m_scaleY - 0.5);
	335	}
	336
	337
c801d85f	338	public:
8bbe427f	339
c801d85f KB	340	bool m_ok;
c801d85f KB	341	bool m_colour;
8bbe427f	342
c801d85f KB	343	// not sure, what these mean
	344	bool m_clipping; // Is clipping on right now ?
	345	bool m_isInteractive; // Is GetPixel possible ?
	346	bool m_autoSetting; // wxMSW only ?
	347	bool m_dontDelete; // wxMSW only ?
	348	bool m_optimize; // wxMSW only ?
8bbe427f	349
c801d85f KB	350	wxPen m_pen;
	351	wxBrush m_brush;
	352	wxBrush m_backgroundBrush;
	353	wxColour m_textForegroundColour;
	354	wxColour m_textBackgroundColour;
	355	wxFont m_font;
8bbe427f	356
c801d85f KB	357	int m_logicalFunction;
	358	int m_backgroundMode;
	359	int m_textAlignment; // gone in wxWin 2.0 ?
8bbe427f	360
c801d85f	361	int m_mappingMode;
8bbe427f	362
c801d85f	363	// not sure what for, but what is a mm on a screen you don't know the size of?
8bbe427f VZ	364	double m_mm_to_pix_x,m_mm_to_pix_y;
	365
	366	long m_deviceOriginX,m_deviceOriginY;
	367
c801d85f KB	368	long m_logicalOriginX,m_logicalOriginY; // User defined.
	369
	370	double m_scaleX,m_scaleY;
	371	double m_logicalScaleX,m_logicalScaleY;
	372	double m_userScaleX,m_userScaleY;
	373	long m_signX,m_signY;
8bbe427f	374
c801d85f	375	bool m_needComputeScaleX,m_needComputeScaleY; // not yet used
8bbe427f	376
c801d85f	377	float m_scaleFactor; // wxPSDC wants to have this. Will disappear.
8bbe427f	378
c801d85f KB	379	long m_clipX1,m_clipY1,m_clipX2,m_clipY2;
	380	long m_minX,m_maxX,m_minY,m_maxY;
	381	};
	382
	383	#endif // __GTKDCH__