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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: wx/gtk/dcclient.h
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Copyright: (c) 1998 Robert Roebling
	6	// Licence: wxWindows licence
	7	/////////////////////////////////////////////////////////////////////////////
	8
	9	#ifndef _WX_GTKDCCLIENT_H_
	10	#define _WX_GTKDCCLIENT_H_
	11
	12	#include "wx/gtk/dc.h"
	13
	14	//-----------------------------------------------------------------------------
	15	// wxWindowDCImpl
	16	//-----------------------------------------------------------------------------
	17
	18	class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxGTKDCImpl
	19	{
	20	public:
	21	wxWindowDCImpl( wxDC *owner );
	22	wxWindowDCImpl( wxDC owner, wxWindow win );
	23
	24	virtual ~wxWindowDCImpl();
	25
	26	virtual bool CanDrawBitmap() const { return true; }
	27	virtual bool CanGetTextExtent() const { return true; }
	28
	29	virtual void DoGetSize(int width, int height) const;
	30	virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col,
	31	wxFloodFillStyle style=wxFLOOD_SURFACE );
	32	virtual bool DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const;
	33
	34	virtual void DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 );
	35	virtual void DoCrossHair( wxCoord x, wxCoord y );
	36	virtual void DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
	37	wxCoord xc, wxCoord yc );
	38	virtual void DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height,
	39	double sa, double ea );
	40	virtual void DoDrawPoint( wxCoord x, wxCoord y );
	41
	42	virtual void DoDrawLines(int n, const wxPoint points[],
	43	wxCoord xoffset, wxCoord yoffset);
	44	virtual void DoDrawPolygon(int n, const wxPoint points[],
	45	wxCoord xoffset, wxCoord yoffset,
	46	wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
	47
	48	virtual void DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
	49	virtual void DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0 );
	50	virtual void DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
	51
	52	virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
	53	virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
	54	bool useMask = false );
	55
	56	virtual bool DoBlit( wxCoord xdest, wxCoord ydest,
	57	wxCoord width, wxCoord height,
	58	wxDC *source, wxCoord xsrc, wxCoord ysrc,
	59	wxRasterOperationMode logical_func = wxCOPY,
	60	bool useMask = false,
	61	wxCoord xsrcMask = -1, wxCoord ysrcMask = -1 );
	62
	63	virtual void DoDrawText( const wxString &text, wxCoord x, wxCoord y );
	64	virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
	65	double angle);
	66	virtual void DoGetTextExtent( const wxString &string,
	67	wxCoord width, wxCoord height,
	68	wxCoord *descent = NULL,
	69	wxCoord *externalLeading = NULL,
	70	const wxFont *theFont = NULL) const;
	71	virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
	72	virtual void DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
	73	virtual void DoSetDeviceClippingRegion( const wxRegion &region );
	74
	75	virtual wxCoord GetCharWidth() const;
	76	virtual wxCoord GetCharHeight() const;
	77
	78	virtual void Clear();
	79
	80	virtual void SetFont( const wxFont &font );
	81	virtual void SetPen( const wxPen &pen );
	82	virtual void SetBrush( const wxBrush &brush );
	83	virtual void SetBackground( const wxBrush &brush );
	84	virtual void SetLogicalFunction( wxRasterOperationMode function );
	85	virtual void SetTextForeground( const wxColour &col );
	86	virtual void SetTextBackground( const wxColour &col );
	87	virtual void SetBackgroundMode( int mode );
	88	virtual void SetPalette( const wxPalette& palette );
	89
	90	virtual void DestroyClippingRegion();
	91
	92	// Resolution in pixels per logical inch
	93	virtual wxSize GetPPI() const;
	94	virtual int GetDepth() const;
	95
	96	// overrriden here for RTL
	97	virtual void SetDeviceOrigin( wxCoord x, wxCoord y );
	98	virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
	99
	100	// protected:
	101	// implementation
	102	// --------------
	103
	104	GdkWindow *m_gdkwindow;
	105	GdkGC *m_penGC;
	106	GdkGC *m_brushGC;
	107	GdkGC *m_textGC;
	108	GdkGC *m_bgGC;
	109	GdkColormap *m_cmap;
	110	bool m_isScreenDC;
	111	wxRegion m_currentClippingRegion;
	112	wxRegion m_paintClippingRegion;
	113
	114	// PangoContext stuff for GTK 2.0
	115	PangoContext *m_context;
	116	PangoLayout *m_layout;
	117	PangoFontDescription *m_fontdesc;
	118
	119	void SetUpDC( bool ismem = false );
	120	void Destroy();
	121
	122	virtual void ComputeScaleAndOrigin();
	123
	124	virtual GdkWindow *GetGDKWindow() const { return m_gdkwindow; }
	125
	126	private:
	127	void DrawingSetup(GdkGC*& gc, bool& originChanged);
	128	GdkPixmap* MonoToColor(GdkPixmap* monoPixmap, int x, int y, int w, int h) const;
	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_