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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: dcclient.h
	3	// Purpose: wxClientDC, wxPaintDC and wxWindowDC classes
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 17/09/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _WX_DCCLIENT_H_
	13	#define _WX_DCCLIENT_H_
	14
	15	#include "wx/dc.h"
	16	#include "wx/dcclient.h"
	17	#include "wx/x11/dc.h"
	18	#include "wx/region.h"
	19
	20	// -----------------------------------------------------------------------------
	21	// fwd declarations
	22	// -----------------------------------------------------------------------------
	23
	24	class WXDLLIMPEXP_FWD_CORE wxWindow;
	25
	26	//-----------------------------------------------------------------------------
	27	// wxWindowDCImpl
	28	//-----------------------------------------------------------------------------
	29
	30	class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxX11DCImpl
	31	{
	32	public:
	33	wxWindowDCImpl( wxDC *owner );
	34	wxWindowDCImpl( wxDC owner, wxWindow win );
	35
	36	virtual ~wxWindowDCImpl();
	37
	38	virtual bool CanDrawBitmap() const { return true; }
	39	virtual bool CanGetTextExtent() const { return true; }
	40
	41	protected:
	42	virtual void DoGetSize(int width, int height) const;
	43	virtual bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style = wxFLOOD_SURFACE );
	44	virtual bool DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const;
	45
	46	virtual void DoDrawPoint(wxCoord x, wxCoord y);
	47	virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
	48
	49	virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
	50	virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
	51	bool useMask = false );
	52
	53	virtual void DoDrawArc(wxCoord x1, wxCoord y1,
	54	wxCoord x2, wxCoord y2,
	55	wxCoord xc, wxCoord yc);
	56	virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
	57	double sa, double ea);
	58
	59	virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	60	virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
	61	wxCoord width, wxCoord height,
	62	double radius);
	63	virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	64
	65	virtual void DoCrossHair(wxCoord x, wxCoord y);
	66
	67	virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
	68	virtual void DoDrawRotatedText(const wxString &text, wxCoord x, wxCoord y, double angle);
	69
	70	virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
	71	wxDC *source, wxCoord xsrc, wxCoord ysrc,
	72	int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
	73
	74	virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
	75	wxCoord width, wxCoord height);
	76	virtual void DoSetDeviceClippingRegion(const wxRegion& region);
	77
	78	virtual void DoDrawLines(int n, wxPoint points[],
	79	wxCoord xoffset, wxCoord yoffset);
	80	virtual void DoDrawPolygon(int n, wxPoint points[],
	81	wxCoord xoffset, wxCoord yoffset,
	82	int fillStyle = wxODDEVEN_RULE);
	83
	84
	85	public:
	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 SetBackgroundMode(int mode);
	93	virtual void SetPalette(const wxPalette& palette);
	94	virtual void SetLogicalFunction( int function );
	95
	96	virtual void SetTextForeground(const wxColour& colour);
	97	virtual void SetTextBackground(const wxColour& colour);
	98
	99	virtual wxCoord GetCharHeight() const;
	100	virtual wxCoord GetCharWidth() const;
	101
	102	virtual int GetDepth() const;
	103	virtual wxSize GetPPI() const;
	104
	105	virtual void DestroyClippingRegion();
	106	WXWindow GetX11Window() const { return m_x11window; }
	107
	108	virtual void ComputeScaleAndOrigin();
	109
	110	protected:
	111	// implementation
	112	// --------------
	113	virtual void DoGetTextExtent(const wxString& string,
	114	wxCoord x, wxCoord y,
	115	wxCoord *descent = NULL,
	116	wxCoord *externalLeading = NULL,
	117	const wxFont *theFont = NULL) const;
	118
	119	void Init();
	120
	121	WXDisplay *m_display;
	122	WXWindow m_x11window;
	123	WXGC m_penGC;
	124	WXGC m_brushGC;
	125	WXGC m_textGC;
	126	WXGC m_bgGC;
	127	WXColormap m_cmap;
	128	bool m_isMemDC;
	129	bool m_isScreenDC;
	130	wxRegion m_currentClippingRegion;
	131	wxRegion m_paintClippingRegion;
	132
	133	#if wxUSE_UNICODE
	134	PangoContext *m_context;
	135	PangoFontDescription *m_fontdesc;
	136	#endif
	137
	138	void SetUpDC();
	139	void Destroy();
	140
	141	private:
	142	DECLARE_CLASS(wxWindowDCImpl)
	143	};
	144
	145	//-----------------------------------------------------------------------------
	146	// wxClientDC
	147	//-----------------------------------------------------------------------------
	148
	149	class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
	150	{
	151	public:
	152	wxClientDCImpl( wxDC *owner ) : wxWindowDCImpl( owner ) { }
	153	wxClientDCImpl( wxDC owner, wxWindow win );
	154
	155	protected:
	156	virtual void DoGetSize(int width, int height) const;
	157
	158	private:
	159	DECLARE_CLASS(wxClientDCImpl)
	160	};
	161
	162	//-----------------------------------------------------------------------------
	163	// wxPaintDC
	164	//-----------------------------------------------------------------------------
	165
	166	class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
	167	{
	168	public:
	169	wxPaintDCImpl( wxDC *owner ) : wxClientDCImpl( owner ) { }
	170	wxPaintDCImpl( wxDC owner, wxWindow win );
	171
	172	private:
	173	DECLARE_CLASS(wxPaintDCImpl)
	174	};
	175
	176	#endif
	177	// _WX_DCCLIENT_H_