wxWidgets/include/wx/gtk/dcclient.h

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/////////////////////////////////////////////////////////////////////////////
// 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
{
public:
wxWindowDC();
wxWindowDC( wxWindow *win );
virtual ~wxWindowDC();
virtual bool CanDrawBitmap() const { return TRUE; }
virtual bool CanGetTextExtent() const { return TRUE; }
protected:
virtual void DoGetSize(int *width, int *height) const;
virtual void DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
virtual void DoCrossHair( wxCoord x, wxCoord y );
virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
wxCoord xc, wxCoord yc );
virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
double sa, double ea );
virtual void DoDrawPoint( wxCoord x, wxCoord y );
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);
virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
bool useMask = FALSE );
virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
wxDC *source, wxCoord xsrc, wxCoord ysrc,
int logical_func = wxCOPY, bool useMask = FALSE, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
double angle);
virtual void DoGetTextExtent( const wxString &string,
wxCoord *width, wxCoord *height,
wxCoord *descent = (wxCoord *) NULL,
wxCoord *externalLeading = (wxCoord *) NULL,
wxFont *theFont = (wxFont *) NULL) const;
public:
virtual wxCoord GetCharWidth() const;
virtual wxCoord GetCharHeight() const;
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 DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
virtual void DestroyClippingRegion();
virtual void DoSetClippingRegionAsRegion( const wxRegion &region );
// Resolution in pixels per logical inch
virtual wxSize GetPPI() const;
virtual int GetDepth() const;
// implementation
// --------------
GdkWindow *m_window;
GdkGC *m_penGC;
GdkGC *m_brushGC;
GdkGC *m_textGC;
GdkGC *m_bgGC;
GdkColormap *m_cmap;
bool m_isMemDC;
bool m_isScreenDC;
wxWindow *m_owner;
wxRegion m_currentClippingRegion;
wxRegion m_paintClippingRegion;
#ifdef __WXGTK20__
PangoContext *m_context;
PangoFontDescription *m_fontdesc;
#endif
void SetUpDC();
void Destroy();
void ComputeScaleAndOrigin();
GdkWindow *GetWindow() { return m_window; }
private:
DECLARE_DYNAMIC_CLASS(wxWindowDC)
};
//-----------------------------------------------------------------------------
// wxClientDC
//-----------------------------------------------------------------------------
class wxClientDC : public wxWindowDC
{
public:
wxClientDC() { }
wxClientDC( wxWindow *win );
protected:
virtual void DoGetSize(int *width, int *height) const;
private:
DECLARE_DYNAMIC_CLASS(wxClientDC)
};
//-----------------------------------------------------------------------------
// wxPaintDC
//-----------------------------------------------------------------------------
class wxPaintDC : public wxClientDC
{
public:
wxPaintDC() { }
wxPaintDC( wxWindow *win );
private:
DECLARE_DYNAMIC_CLASS(wxPaintDC)
};
#endif // __GTKDCCLIENTH__