wxWidgets/include/wx/gtk1/dcclient.h

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


#ifndef __GTKDCCLIENTH__
#define __GTKDCCLIENTH__

#ifdef __GNUG__
#pragma interface
#endif

#include "wx/dc.h"
#include "wx/window.h"

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

class wxWindowDC;
class wxPaintDC;
class wxClientDC;

//-----------------------------------------------------------------------------
// wxWindowDC
//-----------------------------------------------------------------------------

class wxWindowDC: public wxDC
{
  DECLARE_DYNAMIC_CLASS(wxWindowDC)

public:
  wxWindowDC();
  wxWindowDC( wxWindow *win );

  ~wxWindowDC();

  virtual void FloodFill( long x, long y, const wxColour& col, int style=wxFLOOD_SURFACE );
  virtual bool GetPixel( long x1, long y1, wxColour *col ) const;

  virtual void DrawLine( long x1, long y1, long x2, long y2 );
  virtual void CrossHair( long x, long y );
  virtual void DrawArc( long x1, long y1, long x2, long y2, double xc, double yc );
  virtual void DrawEllipticArc( long x, long y, long width, long height, double sa, double ea );
  virtual void DrawPoint( long x, long y );

  virtual void DrawLines( int n, wxPoint points[], long xoffset = 0, long yoffset = 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 );
  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 );
  virtual void DrawRoundedRectangle( long x, long y, long width, long height, double radius = 20.0 );
  virtual void DrawEllipse( long x, long y, long width, long height );

  virtual bool CanDrawBitmap() const;
  virtual void DrawIcon( const wxIcon &icon, long x, long y );
  virtual void DrawBitmap( const wxBitmap &bitmap, long x, long y, bool useMask=FALSE );
  virtual bool Blit( long xdest, long ydest, long width, long height,
                      wxDC *source, long xsrc, long ysrc, int logical_func = wxCOPY, bool useMask=FALSE );

  virtual void DrawText( const wxString &text, long x, long y, bool use16 = FALSE );
  virtual bool CanGetTextExtent() const;
  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 );
  virtual long GetCharWidth();
  virtual long GetCharHeight();

  virtual void Clear();

  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 SetLogicalFunction( int function );
  virtual void SetTextForeground( const wxColour &col );
  virtual void SetTextBackground( const wxColour &col );
  virtual void SetBackgroundMode( int mode );
  virtual void SetPalette( const wxPalette& palette );

  virtual void SetClippingRegion( long x, long y, long width, long height );
  virtual void DestroyClippingRegion();
  virtual void SetClippingRegion( const wxRegion &region  );

  virtual void DrawSpline( wxList *points );

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

  // implementation

  GdkWindow    *m_window;
  GdkGC        *m_penGC;
  GdkGC        *m_brushGC;
  GdkGC        *m_textGC;
  GdkGC        *m_bgGC;
  GdkColormap  *m_cmap;
  bool          m_isMemDC;
  wxWindow     *m_owner;

  void SetUpDC();
  void Destroy();
  GdkWindow *GetWindow();
};

//-----------------------------------------------------------------------------
// wxPaintDC
//-----------------------------------------------------------------------------

class wxPaintDC : public wxWindowDC
{
  DECLARE_DYNAMIC_CLASS(wxPaintDC)

public:
  wxPaintDC();
  wxPaintDC( wxWindow *win );
};

//-----------------------------------------------------------------------------
// wxClientDC
//-----------------------------------------------------------------------------

class wxClientDC : public wxWindowDC
{
  DECLARE_DYNAMIC_CLASS(wxClientDC)

public:
  wxClientDC();
  wxClientDC( wxWindow *win );
};


#endif // __GTKDCCLIENTH__