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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	#ifdef __GNUG__
	16	#pragma interface "dcclient.h"
	17	#endif
	18
	19	#include "wx/dc.h"
	20
	21	// -----------------------------------------------------------------------------
	22	// fwd declarations
	23	// -----------------------------------------------------------------------------
	24
	25	class WXDLLEXPORT wxWindowDC;
	26	class WXDLLEXPORT wxWindow;
	27
	28	// Under Windows, wxClientDC, wxPaintDC and wxWindowDC are implemented
	29	// differently. On many platforms, however, they will be the same.
	30
	31	//-----------------------------------------------------------------------------
	32	// wxWindowDC
	33	//-----------------------------------------------------------------------------
	34
	35	class WXDLLEXPORT wxWindowDC : public wxDC
	36	{
	37	DECLARE_DYNAMIC_CLASS(wxWindowDC)
	38
	39	public:
	40	wxWindowDC();
	41	wxWindowDC( wxWindow *win );
	42
	43	~wxWindowDC();
	44
	45	// TODO this function is Motif-only for now - should it go into base class?
	46	void Clear(const wxRect& rect);
	47
	48	// implement base class pure virtuals
	49	// ----------------------------------
	50
	51	virtual void Clear();
	52
	53	virtual void SetFont(const wxFont& font);
	54	virtual void SetPen(const wxPen& pen);
	55	virtual void SetBrush(const wxBrush& brush);
	56	virtual void SetBackground(const wxBrush& brush);
	57	virtual void SetBackgroundMode(int mode);
	58	virtual void SetPalette(const wxPalette& palette);
	59	virtual void SetLogicalFunction( int function );
	60
	61	virtual void SetTextForeground(const wxColour& colour);
	62	virtual void SetTextBackground(const wxColour& colour);
	63
	64	virtual wxCoord GetCharHeight() const;
	65	virtual wxCoord GetCharWidth() const;
	66	virtual void DoGetTextExtent(const wxString& string,
	67	wxCoord x, wxCoord y,
	68	wxCoord *descent = NULL,
	69	wxCoord *externalLeading = NULL,
	70	wxFont *theFont = NULL) const;
	71
	72	virtual bool CanDrawBitmap() const;
	73	virtual bool CanGetTextExtent() const;
	74
	75	virtual int GetDepth() const;
	76	virtual wxSize GetPPI() const;
	77
	78	virtual void DestroyClippingRegion();
	79
	80	// Helper function for setting clipping
	81	void SetDCClipping();
	82
	83	// implementation from now on
	84	// --------------------------
	85
	86	WXGC GetGC() const { return m_gc; }
	87	WXGC GetBackingGC() const { return m_gcBacking; }
	88	WXDisplay* GetDisplay() const { return m_display; }
	89	bool GetAutoSetting() const { return m_autoSetting; }
	90	void SetAutoSetting(bool flag) { m_autoSetting = flag; }
	91
	92	protected:
	93	virtual void DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
	94	int style = wxFLOOD_SURFACE);
	95
	96	virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
	97
	98	virtual void DoDrawPoint(wxCoord x, wxCoord y);
	99	virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
	100
	101	virtual void DoDrawArc(wxCoord x1, wxCoord y1,
	102	wxCoord x2, wxCoord y2,
	103	wxCoord xc, wxCoord yc);
	104	virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
	105	double sa, double ea);
	106
	107	virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	108	virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
	109	wxCoord width, wxCoord height,
	110	double radius);
	111	virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	112
	113	virtual void DoCrossHair(wxCoord x, wxCoord y);
	114
	115	virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
	116
	117	virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
	118	wxDC *source, wxCoord xsrc, wxCoord ysrc,
	119	int rop = wxCOPY, bool useMask = FALSE);
	120
	121	virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
	122	virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
	123	wxCoord width, wxCoord height);
	124
	125	virtual void DoDrawLines(int n, wxPoint points[],
	126	wxCoord xoffset, wxCoord yoffset);
	127	virtual void DoDrawPolygon(int n, wxPoint points[],
	128	wxCoord xoffset, wxCoord yoffset,
	129	int fillStyle = wxODDEVEN_RULE);
	130
	131	#if wxUSE_SPLINES
	132	virtual void DoDrawSpline(wxList *points);
	133	#endif // wxUSE_SPLINES
	134
	135	WXGC m_gc;
	136	WXGC m_gcBacking;
	137	WXDisplay* m_display;
	138	wxWindow* m_window;
	139	WXRegion m_currentRegion; // Current clipping region (incl. paint clip region)
	140	WXRegion m_userRegion; // User-defined clipping region
	141	WXPixmap m_pixmap; // Pixmap for drawing on
	142
	143	// Not sure if we'll need all of these
	144	int m_backgroundPixel;
	145	wxColour m_currentColour;
	146	// int m_currentBkMode;
	147	int m_currentPenWidth ;
	148	int m_currentPenJoin ;
	149	int m_currentPenCap ;
	150	int m_currentPenDashCount ;
	151	char* m_currentPenDash ;
	152	wxBitmap m_currentStipple ;
	153	int m_currentStyle ;
	154	int m_currentFill ;
	155	int m_autoSetting ; // See comment in dcclient.cpp
	156	WXFont m_oldFont;
	157	};
	158
	159	class WXDLLEXPORT wxPaintDC: public wxWindowDC
	160	{
	161	DECLARE_DYNAMIC_CLASS(wxPaintDC)
	162
	163	public:
	164	wxPaintDC() { }
	165	wxPaintDC(wxWindow* win);
	166
	167	~wxPaintDC();
	168	};
	169
	170	class WXDLLEXPORT wxClientDC: public wxWindowDC
	171	{
	172	DECLARE_DYNAMIC_CLASS(wxClientDC)
	173
	174	public:
	175	wxClientDC() { }
	176	wxClientDC(wxWindow* win) : wxWindowDC(win) { }
	177	};
	178
	179	#endif
	180	// _WX_DCCLIENT_H_