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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 _WX_GTKDCCLIENT_H_
	11	#define _WX_GTKDCCLIENT_H_
	12
	13	#include "wx/gtk/dc.h"
	14	#include "wx/dcclient.h"
	15	#include "wx/region.h"
	16
	17	class WXDLLIMPEXP_FWD_CORE wxWindow;
	18
	19	//-----------------------------------------------------------------------------
	20	// wxWindowDCImpl
	21	//-----------------------------------------------------------------------------
	22
	23	class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxGTKDCImpl
	24	{
	25	public:
	26	wxWindowDCImpl( wxDC *owner );
	27	wxWindowDCImpl( wxDC owner, wxWindow win );
	28
	29	virtual ~wxWindowDCImpl();
	30
	31	virtual bool CanDrawBitmap() const { return true; }
	32	virtual bool CanGetTextExtent() const { return true; }
	33
	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	const 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 DoSetDeviceClippingRegion( const wxRegion &region );
	75
	76	virtual wxCoord GetCharWidth() const;
	77	virtual wxCoord GetCharHeight() const;
	78
	79	virtual void Clear();
	80
	81	virtual void SetFont( const wxFont &font );
	82	virtual void SetPen( const wxPen &pen );
	83	virtual void SetBrush( const wxBrush &brush );
	84	virtual void SetBackground( const wxBrush &brush );
	85	virtual void SetLogicalFunction( int function );
	86	virtual void SetTextForeground( const wxColour &col );
	87	virtual void SetTextBackground( const wxColour &col );
	88	virtual void SetBackgroundMode( int mode );
	89	virtual void SetPalette( const wxPalette& palette );
	90
	91	virtual void DestroyClippingRegion();
	92
	93	// Resolution in pixels per logical inch
	94	virtual wxSize GetPPI() const;
	95	virtual int GetDepth() const;
	96
	97	// overrriden here for RTL
	98	virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
	99	virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
	100
	101	// protected:
	102	// implementation
	103	// --------------
	104
	105	GdkWindow *m_gdkwindow;
	106	GdkGC *m_penGC;
	107	GdkGC *m_brushGC;
	108	GdkGC *m_textGC;
	109	GdkGC *m_bgGC;
	110	GdkColormap *m_cmap;
	111	bool m_isScreenDC;
	112	wxRegion m_currentClippingRegion;
	113	wxRegion m_paintClippingRegion;
	114
	115	// PangoContext stuff for GTK 2.0
	116	PangoContext *m_context;
	117	PangoLayout *m_layout;
	118	PangoFontDescription *m_fontdesc;
	119
	120	void SetUpDC( bool ismem = false );
	121	void Destroy();
	122
	123	virtual void ComputeScaleAndOrigin();
	124
	125	virtual GdkWindow *GetGDKWindow() const { return m_gdkwindow; }
	126
	127	private:
	128	void DrawingSetup(GdkGC*& gc, bool& originChanged);
	129
	130	DECLARE_ABSTRACT_CLASS(wxWindowDCImpl)
	131	};
	132
	133	//-----------------------------------------------------------------------------
	134	// wxClientDCImpl
	135	//-----------------------------------------------------------------------------
	136
	137	class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
	138	{
	139	public:
	140	wxClientDCImpl( wxDC *owner );
	141	wxClientDCImpl( wxDC owner, wxWindow win );
	142
	143	virtual void DoGetSize(int width, int height) const;
	144
	145	DECLARE_ABSTRACT_CLASS(wxClientDCImpl)
	146	};
	147
	148	//-----------------------------------------------------------------------------
	149	// wxPaintDCImpl
	150	//-----------------------------------------------------------------------------
	151
	152	class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
	153	{
	154	public:
	155	wxPaintDCImpl( wxDC *owner );
	156	wxPaintDCImpl( wxDC owner, wxWindow win );
	157
	158	DECLARE_ABSTRACT_CLASS(wxPaintDCImpl)
	159	};
	160
	161	#endif // _WX_GTKDCCLIENT_H_