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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_CORE wxWindow;
	17
	18	//-----------------------------------------------------------------------------
	19	// wxWindowDC
	20	//-----------------------------------------------------------------------------
	21
	22	class WXDLLIMPEXP_CORE wxWindowDC : public wxDC
	23	{
	24	public:
	25	wxWindowDC();
	26	wxWindowDC( wxWindow *win );
	27
	28	virtual ~wxWindowDC();
	29
	30	virtual bool CanDrawBitmap() const { return true; }
	31	virtual bool CanGetTextExtent() const { return true; }
	32
	33	protected:
	34	virtual void DoGetSize(int width, int height) const;
	35	virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style=wxFLOOD_SURFACE );
	36	virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
	37
	38	virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
	39	virtual void DoCrossHair( wxCoord x, wxCoord y );
	40	virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
	41	wxCoord xc, wxCoord yc );
	42	virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
	43	double sa, double ea );
	44	virtual void DoDrawPoint( wxCoord x, wxCoord y );
	45
	46	virtual void DoDrawLines(int n, wxPoint points[],
	47	wxCoord xoffset, wxCoord yoffset);
	48	virtual void DoDrawPolygon(int n, wxPoint points[],
	49	wxCoord xoffset, wxCoord yoffset,
	50	int fillStyle = wxODDEVEN_RULE);
	51
	52	virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
	53	virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
	54	virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
	55
	56	virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
	57	virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
	58	bool useMask = false );
	59
	60	virtual bool DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
	61	wxDC *source, wxCoord xsrc, wxCoord ysrc,
	62	int logical_func = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
	63
	64	virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
	65	virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
	66	double angle);
	67	virtual void DoGetTextExtent( const wxString &string,
	68	wxCoord width, wxCoord height,
	69	wxCoord descent = (wxCoord ) NULL,
	70	wxCoord externalLeading = (wxCoord ) NULL,
	71	wxFont theFont = (wxFont ) NULL) const;
	72	virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
	73	virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
	74	virtual void DoSetClippingRegionAsRegion( const wxRegion &region );
	75
	76
	77	public:
	78	virtual wxCoord GetCharWidth() const;
	79	virtual wxCoord GetCharHeight() const;
	80
	81	virtual void Clear();
	82
	83	virtual void SetFont( const wxFont &font );
	84	virtual void SetPen( const wxPen &pen );
	85	virtual void SetBrush( const wxBrush &brush );
	86	virtual void SetBackground( const wxBrush &brush );
	87	virtual void SetLogicalFunction( int function );
	88	virtual void SetTextForeground( const wxColour &col );
	89	virtual void SetTextBackground( const wxColour &col );
	90	virtual void SetBackgroundMode( int mode );
	91	virtual void SetPalette( const wxPalette& palette );
	92
	93	virtual void DestroyClippingRegion();
	94
	95	// Resolution in pixels per logical inch
	96	virtual wxSize GetPPI() const;
	97	virtual int GetDepth() const;
	98
	99	// overrriden here for RTL
	100	virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
	101	virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
	102
	103	// protected:
	104	// implementation
	105	// --------------
	106
	107	GdkWindow *m_window;
	108	GdkGC *m_penGC;
	109	GdkGC *m_brushGC;
	110	GdkGC *m_textGC;
	111	GdkGC *m_bgGC;
	112	GdkColormap *m_cmap;
	113	bool m_isMemDC;
	114	bool m_isScreenDC;
	115	wxWindow *m_owner;
	116	wxRegion m_currentClippingRegion;
	117	wxRegion m_paintClippingRegion;
	118
	119	// PangoContext stuff for GTK 2.0
	120	PangoContext *m_context;
	121	PangoLayout *m_layout;
	122	PangoFontDescription *m_fontdesc;
	123
	124	void SetUpDC();
	125	void Destroy();
	126
	127	virtual void ComputeScaleAndOrigin();
	128
	129	virtual GdkWindow *GetGDKWindow() const { 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__