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