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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: wx/dfb/dc.h
	3	// Purpose: wxDC class
	4	// Author: Vaclav Slavik
	5	// Created: 2006-08-07
	6	// RCS-ID: $Id$
	7	// Copyright: (c) 2006 REA Elektronik GmbH
	8	// Licence: wxWindows licence
	9	/////////////////////////////////////////////////////////////////////////////
	10
	11	#ifndef _WX_DFB_DC_H_
	12	#define _WX_DFB_DC_H_
	13
	14	#include "wx/defs.h"
	15	#include "wx/region.h"
	16	#include "wx/dc.h"
	17	#include "wx/dfb/dfbptr.h"
	18
	19	wxDFB_DECLARE_INTERFACE(IDirectFBSurface);
	20
	21	//-----------------------------------------------------------------------------
	22	// wxDFBDCImpl
	23	//-----------------------------------------------------------------------------
	24
	25	class WXDLLIMPEXP_CORE wxDFBDCImpl : public wxDCImpl
	26	{
	27	public:
	28	// ctors
	29	wxDFBDCImpl(wxDC *owner) : wxDCImpl(owner) { m_surface = NULL; }
	30	wxDFBDCImpl(wxDC *owner, const wxIDirectFBSurfacePtr& surface)
	31	: wxDCImpl(owner)
	32	{
	33	DFBInit(surface);
	34	}
	35
	36	bool IsOk() const { return m_surface != NULL; }
	37
	38	// implement base class pure virtuals
	39	// ----------------------------------
	40
	41	virtual void Clear();
	42
	43	virtual bool StartDoc(const wxString& message);
	44	virtual void EndDoc();
	45
	46	virtual void StartPage();
	47	virtual void EndPage();
	48
	49	virtual void SetFont(const wxFont& font);
	50	virtual void SetPen(const wxPen& pen);
	51	virtual void SetBrush(const wxBrush& brush);
	52	virtual void SetBackground(const wxBrush& brush);
	53	virtual void SetBackgroundMode(int mode);
	54	#if wxUSE_PALETTE
	55	virtual void SetPalette(const wxPalette& palette);
	56	#endif
	57
	58	virtual void SetLogicalFunction(int function);
	59
	60	virtual void DestroyClippingRegion();
	61
	62	virtual wxCoord GetCharHeight() const;
	63	virtual wxCoord GetCharWidth() const;
	64	virtual void DoGetTextExtent(const wxString& string,
	65	wxCoord x, wxCoord y,
	66	wxCoord *descent = NULL,
	67	wxCoord *externalLeading = NULL,
	68	const wxFont *theFont = NULL) const;
	69
	70	virtual bool CanDrawBitmap() const { return true; }
	71	virtual bool CanGetTextExtent() const { return true; }
	72	virtual int GetDepth() const;
	73	virtual wxSize GetPPI() const;
	74
	75	// Returns the surface (and increases its ref count)
	76	wxIDirectFBSurfacePtr GetDirectFBSurface() const { return m_surface; }
	77
	78	protected:
	79	// implementation
	80	wxCoord XDEV2LOG(wxCoord x) const { return DeviceToLogicalX(x); }
	81	wxCoord XDEV2LOGREL(wxCoord x) const { return DeviceToLogicalXRel(x); }
	82	wxCoord YDEV2LOG(wxCoord y) const { return DeviceToLogicalY(y); }
	83	wxCoord YDEV2LOGREL(wxCoord y) const { return DeviceToLogicalYRel(y); }
	84	wxCoord XLOG2DEV(wxCoord x) const { return LogicalToDeviceX(x); }
	85	wxCoord XLOG2DEVREL(wxCoord x) const { return LogicalToDeviceXRel(x); }
	86	wxCoord YLOG2DEV(wxCoord y) const { return LogicalToDeviceY(y); }
	87	wxCoord YLOG2DEVREL(wxCoord y) const { return LogicalToDeviceYRel(y); }
	88
	89	// initializes the DC from a surface, must be called if default ctor
	90	// was used
	91	void DFBInit(const wxIDirectFBSurfacePtr& surface);
	92
	93	virtual bool 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 DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
	116	virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
	117	bool useMask = false);
	118
	119	virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
	120	virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
	121	double angle);
	122
	123	virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
	124	wxDC *source, wxCoord xsrc, wxCoord ysrc,
	125	int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
	126
	127	virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
	128	wxCoord width, wxCoord height);
	129	virtual void DoSetDeviceClippingRegion(const wxRegion& region);
	130
	131	virtual void DoGetSize(int width, int height) const;
	132	virtual void DoGetSizeMM(int* width, int* height) const;
	133
	134	virtual void DoDrawLines(int n, wxPoint points[],
	135	wxCoord xoffset, wxCoord yoffset);
	136	virtual void DoDrawPolygon(int n, wxPoint points[],
	137	wxCoord xoffset, wxCoord yoffset,
	138	int fillStyle = wxODDEVEN_RULE);
	139
	140	// implementation from now on:
	141	protected:
	142	wxIDirectFBFontPtr GetCurrentFont() const;
	143
	144	private:
	145	// Unified implementation of DrawIcon, DrawBitmap and Blit:
	146	void DoDrawSubBitmap(const wxBitmap &bmp,
	147	wxCoord x, wxCoord y, wxCoord w, wxCoord h,
	148	wxCoord destx, wxCoord desty, int rop, bool useMask);
	149	bool DoBlitFromSurface(const wxIDirectFBSurfacePtr& src,
	150	wxCoord srcx, wxCoord srcy,
	151	wxCoord w, wxCoord h,
	152	wxCoord dstx, wxCoord dsty);
	153
	154	// selects colour into surface's state
	155	void SelectColour(const wxColour& clr);
	156
	157	protected:
	158	wxIDirectFBSurfacePtr m_surface;
	159
	160	double m_mm_to_pix_x, m_mm_to_pix_y;
	161
	162	friend class WXDLLIMPEXP_FWD_CORE wxOverlayImpl; // for Init
	163
	164	DECLARE_ABSTRACT_CLASS(wxDFBDCImpl)
	165	};
	166
	167	#endif // _WX_DFB_DC_H_