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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: wx/graphdc.h
	3	// Purpose: graphics context device bridge header
	4	// Author: Stefan Csomor
	5	// Modified by:
	6	// Created:
	7	// Copyright: (c) Stefan Csomor
	8	// RCS-ID: $Id$
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _WX_GRAPHICS_DC_H_
	13	#define _WX_GRAPHICS_DC_H_
	14
	15	#if wxUSE_GRAPHICS_CONTEXT
	16
	17	#include "wx/geometry.h"
	18	#include "wx/dynarray.h"
	19
	20	class WXDLLEXPORT wxGraphicsContext;
	21	class WXDLLEXPORT wxWindowDC;
	22
	23
	24	#ifdef __WXMAC__
	25	#define wxGCDC wxDC
	26	#endif
	27
	28	class WXDLLEXPORT wxGCDC:
	29	#ifdef __WXMAC__
	30	public wxDCBase
	31	#else
	32	public wxDC
	33	#endif
	34	{
	35	DECLARE_DYNAMIC_CLASS(wxGCDC)
	36	DECLARE_NO_COPY_CLASS(wxGCDC)
	37
	38	public:
	39	wxGCDC(const wxWindowDC& dc);
	40	wxGCDC();
	41	virtual ~wxGCDC();
	42
	43	void Init();
	44
	45
	46	// implement base class pure virtuals
	47	// ----------------------------------
	48
	49	virtual void Clear();
	50
	51	virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return true; }
	52	virtual void EndDoc(void) {}
	53
	54	virtual void StartPage(void) {}
	55	virtual void EndPage(void) {}
	56
	57	virtual void SetFont(const wxFont& font);
	58	virtual void SetPen(const wxPen& pen);
	59	virtual void SetBrush(const wxBrush& brush);
	60	virtual void SetBackground(const wxBrush& brush);
	61	virtual void SetBackgroundMode(int mode);
	62	virtual void SetPalette(const wxPalette& palette);
	63
	64	virtual void DestroyClippingRegion();
	65
	66	virtual wxCoord GetCharHeight() const;
	67	virtual wxCoord GetCharWidth() const;
	68
	69	virtual bool CanDrawBitmap() const;
	70	virtual bool CanGetTextExtent() const;
	71	virtual int GetDepth() const;
	72	virtual wxSize GetPPI() const;
	73
	74	virtual void SetMapMode(int mode);
	75	virtual void SetUserScale(double x, double y);
	76
	77	virtual void SetLogicalScale(double x, double y);
	78	virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
	79	virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
	80	virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
	81	virtual void SetLogicalFunction(int function);
	82
	83	virtual void SetTextForeground(const wxColour& colour);
	84	virtual void SetTextBackground(const wxColour& colour);
	85
	86	virtual void ComputeScaleAndOrigin();
	87
	88	wxGraphicsContext* GetGraphicsContext() { return m_graphicContext; }
	89	virtual void SetGraphicsContext( wxGraphicsContext* ctx );
	90
	91	protected:
	92	// the true implementations
	93	virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
	94	int style = wxFLOOD_SURFACE);
	95
	96	virtual void DoGradientFillLinear(const wxRect& rect,
	97	const wxColour& initialColour,
	98	const wxColour& destColour,
	99	wxDirection nDirection = wxEAST);
	100
	101	virtual void DoGradientFillConcentric(const wxRect& rect,
	102	const wxColour& initialColour,
	103	const wxColour& destColour,
	104	const wxPoint& circleCenter);
	105
	106	virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
	107
	108	virtual void DoDrawPoint(wxCoord x, wxCoord y);
	109
	110	#if wxUSE_SPLINES
	111	virtual void DoDrawSpline(wxList *points);
	112	#endif
	113
	114	virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
	115
	116	virtual void DoDrawArc(wxCoord x1, wxCoord y1,
	117	wxCoord x2, wxCoord y2,
	118	wxCoord xc, wxCoord yc);
	119
	120	virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
	121	wxCoord width, wxCoord height);
	122
	123	virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
	124	double sa, double ea);
	125
	126	virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	127	virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
	128	wxCoord width, wxCoord height,
	129	double radius);
	130	virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	131
	132	virtual void DoCrossHair(wxCoord x, wxCoord y);
	133
	134	virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
	135	virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
	136	bool useMask = false);
	137
	138	virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
	139	virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
	140	double angle);
	141
	142	virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
	143	wxDC *source, wxCoord xsrc, wxCoord ysrc,
	144	int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
	145
	146	virtual void DoGetSize(int ,int ) const;
	147	virtual void DoGetSizeMM(int* width, int* height) const;
	148
	149	virtual void DoDrawLines(int n, wxPoint points[],
	150	wxCoord xoffset, wxCoord yoffset);
	151	virtual void DoDrawPolygon(int n, wxPoint points[],
	152	wxCoord xoffset, wxCoord yoffset,
	153	int fillStyle = wxODDEVEN_RULE);
	154	virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[],
	155	wxCoord xoffset, wxCoord yoffset,
	156	int fillStyle);
	157
	158	virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
	159	virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
	160	wxCoord width, wxCoord height);
	161
	162	virtual void DoGetTextExtent(const wxString& string,
	163	wxCoord x, wxCoord y,
	164	wxCoord *descent = NULL,
	165	wxCoord *externalLeading = NULL,
	166	wxFont *theFont = NULL) const;
	167
	168	virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
	169
	170	protected:
	171	// scaling variables
	172	double m_mm_to_pix_x, m_mm_to_pix_y;
	173
	174	double m_formerScaleX, m_formerScaleY;
	175
	176	wxGraphicsContext* m_graphicContext;
	177	};
	178
	179	#endif
	180
	181	#endif // _WX_GRAPHICS_DC_H_