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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: dcclient.h
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	#ifndef __GTKDCCLIENTH__
	11	#define __GTKDCCLIENTH__
	12
	13	#include "wx/dc.h"
	14	#include "wx/window.h"
	15
	16	//-----------------------------------------------------------------------------
	17	// classes
	18	//-----------------------------------------------------------------------------
	19
	20	class WXDLLIMPEXP_CORE wxWindowDC;
	21	class WXDLLIMPEXP_CORE wxPaintDC;
	22	class WXDLLIMPEXP_CORE wxClientDC;
	23
	24	//-----------------------------------------------------------------------------
	25	// wxWindowDC
	26	//-----------------------------------------------------------------------------
	27
	28	class WXDLLIMPEXP_CORE wxWindowDC : public wxDC
	29	{
	30	public:
	31	wxWindowDC();
	32	wxWindowDC( wxWindow *win );
	33
	34	virtual ~wxWindowDC();
	35
	36	virtual bool CanDrawBitmap() const { return true; }
	37	virtual bool CanGetTextExtent() const { return true; }
	38
	39	protected:
	40	virtual void DoGetSize(int width, int height) const;
	41	virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
	42	virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
	43
	44	virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
	45	virtual void DoCrossHair( wxCoord x, wxCoord y );
	46	virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
	47	wxCoord xc, wxCoord yc );
	48	virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
	49	double sa, double ea );
	50	virtual void DoDrawPoint( wxCoord x, wxCoord y );
	51
	52	virtual void DoDrawLines(int n, wxPoint points[],
	53	wxCoord xoffset, wxCoord yoffset);
	54	virtual void DoDrawPolygon(int n, wxPoint points[],
	55	wxCoord xoffset, wxCoord yoffset,
	56	int fillStyle = wxODDEVEN_RULE);
	57
	58	virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
	59	virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
	60	virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
	61
	62	virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
	63	virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
	64	bool useMask = false );
	65
	66	virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
	67	wxDC *source, wxCoord xsrc, wxCoord ysrc,
	68	int logical_func = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
	69
	70	virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
	71	virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
	72	double angle);
	73	virtual void DoGetTextExtent( const wxString &string,
	74	wxCoord width, wxCoord height,
	75	wxCoord descent = (wxCoord ) NULL,
	76	wxCoord externalLeading = (wxCoord ) NULL,
	77	wxFont theFont = (wxFont ) NULL) const;
	78
	79	public:
	80	virtual wxCoord GetCharWidth() const;
	81	virtual wxCoord GetCharHeight() const;
	82
	83	virtual void Clear();
	84
	85	virtual void SetFont( const wxFont &font );
	86	virtual void SetPen( const wxPen &pen );
	87	virtual void SetBrush( const wxBrush &brush );
	88	virtual void SetBackground( const wxBrush &brush );
	89	virtual void SetLogicalFunction( int function );
	90	virtual void SetTextForeground( const wxColour &col );
	91	virtual void SetTextBackground( const wxColour &col );
	92	virtual void SetBackgroundMode( int mode );
	93	virtual void SetPalette( const wxPalette& palette );
	94
	95	virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
	96	virtual void DestroyClippingRegion();
	97	virtual void DoSetClippingRegionAsRegion( const wxRegion &region );
	98
	99	// Resolution in pixels per logical inch
	100	virtual wxSize GetPPI() const;
	101	virtual int GetDepth() const;
	102
	103	// implementation
	104	// --------------
	105
	106	GdkWindow *m_window;
	107	GdkGC *m_penGC;
	108	GdkGC *m_brushGC;
	109	GdkGC *m_textGC;
	110	GdkGC *m_bgGC;
	111	GdkColormap *m_cmap;
	112	bool m_isMemDC;
	113	bool m_isScreenDC;
	114	wxWindow *m_owner;
	115	wxRegion m_currentClippingRegion;
	116	wxRegion m_paintClippingRegion;
	117
	118	// PangoContext stuff for GTK 2.0
	119	#ifdef __WXGTK20__
	120	PangoContext *m_context;
	121	PangoLayout *m_layout;
	122	PangoFontDescription *m_fontdesc;
	123	#endif
	124
	125	void SetUpDC();
	126	void Destroy();
	127	virtual void ComputeScaleAndOrigin();
	128
	129	GdkWindow *GetWindow() { return m_window; }
	130
	131	private:
	132	DECLARE_DYNAMIC_CLASS(wxWindowDC)
	133	};
	134
	135	//-----------------------------------------------------------------------------
	136	// wxClientDC
	137	//-----------------------------------------------------------------------------
	138
	139	class WXDLLIMPEXP_CORE wxClientDC : public wxWindowDC
	140	{
	141	public:
	142	wxClientDC() { }
	143	wxClientDC( wxWindow *win );
	144
	145	protected:
	146	virtual void DoGetSize(int width, int height) const;
	147
	148	private:
	149	DECLARE_DYNAMIC_CLASS(wxClientDC)
	150	};
	151
	152	//-----------------------------------------------------------------------------
	153	// wxPaintDC
	154	//-----------------------------------------------------------------------------
	155
	156	class WXDLLIMPEXP_CORE wxPaintDC : public wxClientDC
	157	{
	158	public:
	159	wxPaintDC() { }
	160	wxPaintDC( wxWindow *win );
	161
	162	private:
	163	DECLARE_DYNAMIC_CLASS(wxPaintDC)
	164	};
	165
	166	#endif // __GTKDCCLIENTH__