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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/region.h"
	15
	16	class WXDLLIMPEXP_FWD_CORE wxWindow;
	17
	18	//-----------------------------------------------------------------------------
	19	// wxWindowDC
	20	//-----------------------------------------------------------------------------
	21
	22	#if wxUSE_NEW_DC
	23	class WXDLLIMPEXP_CORE wxGTKWindowImplDC : public wxGTKImplDC
	24	#else
	25	#define wxGTKWindowImplDC wxWindowDC
	26	class WXDLLIMPEXP_CORE wxWindowDC : public wxDC
	27	#endif
	28	{
	29	public:
	30	wxGTKWindowImplDC();
	31	wxGTKWindowImplDC( wxWindow *win );
	32
	33	virtual ~wxGTKWindowImplDC();
	34
	35	virtual bool CanDrawBitmap() const { return true; }
	36	virtual bool CanGetTextExtent() const { return true; }
	37
	38	protected:
	39	virtual void DoGetSize(int width, int height) const;
	40	virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
	41	virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
	42
	43	virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
	44	virtual void DoCrossHair( wxCoord x, wxCoord y );
	45	virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
	46	wxCoord xc, wxCoord yc );
	47	virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
	48	double sa, double ea );
	49	virtual void DoDrawPoint( wxCoord x, wxCoord y );
	50
	51	virtual void DoDrawLines(int n, wxPoint points[],
	52	wxCoord xoffset, wxCoord yoffset);
	53	virtual void DoDrawPolygon(int n, wxPoint points[],
	54	wxCoord xoffset, wxCoord yoffset,
	55	int fillStyle = wxODDEVEN_RULE);
	56
	57	virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
	58	virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
	59	virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
	60
	61	virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
	62	virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
	63	bool useMask = false );
	64
	65	virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
	66	wxDC *source, wxCoord xsrc, wxCoord ysrc,
	67	int logical_func = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
	68
	69	virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
	70	virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
	71	double angle);
	72	virtual void DoGetTextExtent( const wxString &string,
	73	wxCoord width, wxCoord height,
	74	wxCoord descent = (wxCoord ) NULL,
	75	wxCoord externalLeading = (wxCoord ) NULL,
	76	const wxFont theFont = (wxFont ) NULL) const;
	77	virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
	78	virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
	79	virtual void DoSetClippingRegionAsRegion( const wxRegion &region );
	80
	81
	82	public:
	83	virtual wxCoord GetCharWidth() const;
	84	virtual wxCoord GetCharHeight() const;
	85
	86	virtual void Clear();
	87
	88	virtual void SetFont( const wxFont &font );
	89	virtual void SetPen( const wxPen &pen );
	90	virtual void SetBrush( const wxBrush &brush );
	91	virtual void SetBackground( const wxBrush &brush );
	92	virtual void SetLogicalFunction( int function );
	93	virtual void SetTextForeground( const wxColour &col );
	94	virtual void SetTextBackground( const wxColour &col );
	95	virtual void SetBackgroundMode( int mode );
	96	virtual void SetPalette( const wxPalette& palette );
	97
	98	virtual void DestroyClippingRegion();
	99
	100	// Resolution in pixels per logical inch
	101	virtual wxSize GetPPI() const;
	102	virtual int GetDepth() const;
	103
	104	// overrriden here for RTL
	105	virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
	106	virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
	107
	108	// protected:
	109	// implementation
	110	// --------------
	111
	112	GdkWindow *m_window;
	113	GdkGC *m_penGC;
	114	GdkGC *m_brushGC;
	115	GdkGC *m_textGC;
	116	GdkGC *m_bgGC;
	117	GdkColormap *m_cmap;
	118	bool m_isMemDC;
	119	bool m_isScreenDC;
	120	wxWindow *m_owner;
	121	wxRegion m_currentClippingRegion;
	122	wxRegion m_paintClippingRegion;
	123
	124	// PangoContext stuff for GTK 2.0
	125	PangoContext *m_context;
	126	PangoLayout *m_layout;
	127	PangoFontDescription *m_fontdesc;
	128
	129	void SetUpDC();
	130	void Destroy();
	131
	132	virtual void ComputeScaleAndOrigin();
	133
	134	virtual GdkWindow *GetGDKWindow() const { return m_window; }
	135
	136	private:
	137	DECLARE_DYNAMIC_CLASS(wxGTKWindowImplDC)
	138	};
	139
	140	//-----------------------------------------------------------------------------
	141	// wxClientDC
	142	//-----------------------------------------------------------------------------
	143
	144	#if wxUSE_NEW_DC
	145	class WXDLLIMPEXP_CORE wxGTKClientImplDC : public wxGTKWindowImplDC
	146	#else
	147	#define wxGTKClientImplDC wxClientDC
	148	class WXDLLIMPEXP_CORE wxClientDC : public wxWindowDC
	149	#endif
	150	{
	151	public:
	152	wxGTKClientImplDC() { }
	153	wxGTKClientImplDC( wxWindow *win );
	154
	155	protected:
	156	virtual void DoGetSize(int width, int height) const;
	157
	158	private:
	159	DECLARE_DYNAMIC_CLASS(wxGTKClientImplDC)
	160	};
	161
	162	//-----------------------------------------------------------------------------
	163	// wxPaintDC
	164	//-----------------------------------------------------------------------------
	165
	166	#if wxUSE_NEW_DC
	167	class WXDLLIMPEXP_CORE wxGTKPaintImplDC : public wxGTKClientImplDC
	168	#else
	169	#define wxGTKPaintImplDC wxPaintDC
	170	class WXDLLIMPEXP_CORE wxPaintDC : public wxClientDC
	171	#endif
	172	{
	173	public:
	174	wxGTKPaintImplDC() { }
	175	wxGTKPaintImplDC( wxWindow *win );
	176
	177	private:
	178	DECLARE_DYNAMIC_CLASS(wxGTKPaintImplDC)
	179	};
	180
	181	#endif // __GTKDCCLIENTH__