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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/region.h"
	17
	18	// -----------------------------------------------------------------------------
	19	// fwd declarations
	20	// -----------------------------------------------------------------------------
	21
	22	class WXDLLIMPEXP_FWD_CORE wxWindow;
	23
	24	class WXDLLIMPEXP_FWD_CORE wxWindowDC;
	25	class WXDLLIMPEXP_FWD_CORE wxPaintDC;
	26	class WXDLLIMPEXP_FWD_CORE wxClientDC;
	27
	28	//-----------------------------------------------------------------------------
	29	// wxWindowDC
	30	//-----------------------------------------------------------------------------
	31
	32	class WXDLLIMPEXP_CORE wxWindowDC : public wxDC
	33	{
	34	public:
	35	wxWindowDC() { Init(); }
	36	wxWindowDC( wxWindow *win );
	37
	38	virtual ~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 bool DoFloodFill( wxCoord x, wxCoord y, const wxColour& col, int style = wxFLOOD_SURFACE );
	46	virtual bool DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const;
	47
	48	virtual void DoDrawPoint(wxCoord x, wxCoord y);
	49	virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
	50
	51	virtual void DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y );
	52	virtual void DoDrawBitmap( const wxBitmap &bitmap, wxCoord x, wxCoord y,
	53	bool useMask = false );
	54
	55	virtual void DoDrawArc(wxCoord x1, wxCoord y1,
	56	wxCoord x2, wxCoord y2,
	57	wxCoord xc, wxCoord yc);
	58	virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
	59	double sa, double ea);
	60
	61	virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	62	virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
	63	wxCoord width, wxCoord height,
	64	double radius);
	65	virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	66
	67	virtual void DoCrossHair(wxCoord x, wxCoord y);
	68
	69	virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
	70	virtual void DoDrawRotatedText(const wxString &text, wxCoord x, wxCoord y, double angle);
	71
	72	virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
	73	wxDC *source, wxCoord xsrc, wxCoord ysrc,
	74	int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
	75
	76	virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
	77	virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
	78	wxCoord width, wxCoord height);
	79
	80	virtual void DoDrawLines(int n, wxPoint points[],
	81	wxCoord xoffset, wxCoord yoffset);
	82	virtual void DoDrawPolygon(int n, wxPoint points[],
	83	wxCoord xoffset, wxCoord yoffset,
	84	int fillStyle = wxODDEVEN_RULE);
	85
	86
	87	public:
	88	virtual void Clear();
	89
	90	virtual void SetFont(const wxFont& font);
	91	virtual void SetPen(const wxPen& pen);
	92	virtual void SetBrush(const wxBrush& brush);
	93	virtual void SetBackground(const wxBrush& brush);
	94	virtual void SetBackgroundMode(int mode);
	95	virtual void SetPalette(const wxPalette& palette);
	96	virtual void SetLogicalFunction( int function );
	97
	98	virtual void SetTextForeground(const wxColour& colour);
	99	virtual void SetTextBackground(const wxColour& colour);
	100
	101	virtual wxCoord GetCharHeight() const;
	102	virtual wxCoord GetCharWidth() const;
	103
	104	virtual int GetDepth() const;
	105	virtual wxSize GetPPI() const;
	106
	107	virtual void DestroyClippingRegion();
	108	WXWindow GetWindow() const { return m_window; }
	109
	110	virtual void ComputeScaleAndOrigin();
	111
	112	protected:
	113	// implementation
	114	// --------------
	115	virtual void DoGetTextExtent(const wxString& string,
	116	wxCoord x, wxCoord y,
	117	wxCoord *descent = NULL,
	118	wxCoord *externalLeading = NULL,
	119	const wxFont *theFont = NULL) const;
	120
	121	void Init();
	122
	123	WXDisplay *m_display;
	124	WXWindow m_window;
	125	WXGC m_penGC;
	126	WXGC m_brushGC;
	127	WXGC m_textGC;
	128	WXGC m_bgGC;
	129	WXColormap m_cmap;
	130	bool m_isMemDC;
	131	bool m_isScreenDC;
	132	wxWindow *m_owner;
	133	wxRegion m_currentClippingRegion;
	134	wxRegion m_paintClippingRegion;
	135
	136	#if wxUSE_UNICODE
	137	PangoContext *m_context;
	138	PangoFontDescription *m_fontdesc;
	139	#endif
	140
	141	void SetUpDC();
	142	void Destroy();
	143
	144	private:
	145	DECLARE_DYNAMIC_CLASS(wxWindowDC)
	146	};
	147
	148	//-----------------------------------------------------------------------------
	149	// wxClientDC
	150	//-----------------------------------------------------------------------------
	151
	152	class WXDLLIMPEXP_CORE wxClientDC : public wxWindowDC
	153	{
	154	public:
	155	wxClientDC() { }
	156	wxClientDC( wxWindow *win );
	157
	158	protected:
	159	virtual void DoGetSize(int width, int height) const;
	160
	161	private:
	162	DECLARE_DYNAMIC_CLASS(wxClientDC)
	163	};
	164
	165	//-----------------------------------------------------------------------------
	166	// wxPaintDC
	167	//-----------------------------------------------------------------------------
	168
	169	class WXDLLIMPEXP_CORE wxPaintDC : public wxClientDC
	170	{
	171	public:
	172	wxPaintDC() { }
	173	wxPaintDC( wxWindow *win );
	174
	175	private:
	176	DECLARE_DYNAMIC_CLASS(wxPaintDC)
	177	};
	178
	179	#endif
	180	// _WX_DCCLIENT_H_