initial (not yet working) code for DirectFB port
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40865 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
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include/wx/dfb/dc.h
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include/wx/dfb/dc.h
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/////////////////////////////////////////////////////////////////////////////
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// Name: wx/dfb/dc.h
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// Purpose: wxDC class
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// Author: Vaclav Slavik
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// Created: 2006-08-07
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// RCS-ID: $Id$
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// Copyright: (c) 2006 REA Elektronik GmbH
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DFB_DC_H_
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#define _WX_DFB_DC_H_
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#include "wx/defs.h"
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#include "wx/region.h"
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#include "wx/dfb/ifacehelpers.h"
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wxDFB_DECLARE_INTERFACE(IDirectFBSurface);
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//-----------------------------------------------------------------------------
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// wxDC
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//-----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxDC : public wxDCBase
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{
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public:
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wxDC();
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// Ctor.
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// Takes ownership of the surface, i.e. does not call AddRef() on it
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// but calls Release() on it from dtor.
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wxDC(const IDirectFBSurfacePtr& surface);
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public:
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// implement base class pure virtuals
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// ----------------------------------
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virtual void Clear();
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virtual bool StartDoc(const wxString& message);
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virtual void EndDoc();
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virtual void StartPage();
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virtual void EndPage();
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virtual void SetFont(const wxFont& font);
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virtual void SetPen(const wxPen& pen);
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virtual void SetBrush(const wxBrush& brush);
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virtual void SetBackground(const wxBrush& brush);
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virtual void SetBackgroundMode(int mode);
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#if wxUSE_PALETTE
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virtual void SetPalette(const wxPalette& palette);
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#endif
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virtual void DestroyClippingRegion();
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virtual wxCoord GetCharHeight() const;
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virtual wxCoord GetCharWidth() const;
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virtual void DoGetTextExtent(const wxString& string,
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wxCoord *x, wxCoord *y,
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wxCoord *descent = NULL,
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wxCoord *externalLeading = NULL,
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wxFont *theFont = NULL) const;
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virtual bool CanDrawBitmap() const { return true; }
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virtual bool CanGetTextExtent() const { return true; }
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virtual int GetDepth() const;
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virtual wxSize GetPPI() const;
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virtual void SetMapMode(int mode);
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virtual void SetUserScale(double x, double y);
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virtual void SetLogicalScale(double x, double y);
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virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
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virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
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virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
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virtual void SetLogicalFunction(int function);
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// implementation from now on
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// --------------------------
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virtual void ComputeScaleAndOrigin();
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wxCoord XDEV2LOG(wxCoord x) const
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{
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wxCoord new_x = x - m_deviceOriginX;
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if (new_x > 0)
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return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
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else
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return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
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}
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wxCoord XDEV2LOGREL(wxCoord x) const
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{
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if (x > 0)
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return (wxCoord)((double)(x) / m_scaleX + 0.5);
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else
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return (wxCoord)((double)(x) / m_scaleX - 0.5);
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}
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wxCoord YDEV2LOG(wxCoord y) const
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{
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wxCoord new_y = y - m_deviceOriginY;
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if (new_y > 0)
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return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
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else
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return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
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}
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wxCoord YDEV2LOGREL(wxCoord y) const
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{
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if (y > 0)
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return (wxCoord)((double)(y) / m_scaleY + 0.5);
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else
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return (wxCoord)((double)(y) / m_scaleY - 0.5);
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}
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wxCoord XLOG2DEV(wxCoord x) const
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{
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wxCoord new_x = x - m_logicalOriginX;
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if (new_x > 0)
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return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
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else
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return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
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}
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wxCoord XLOG2DEVREL(wxCoord x) const
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{
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if (x > 0)
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return (wxCoord)((double)(x) * m_scaleX + 0.5);
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else
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return (wxCoord)((double)(x) * m_scaleX - 0.5);
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}
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wxCoord YLOG2DEV(wxCoord y) const
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{
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wxCoord new_y = y - m_logicalOriginY;
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if (new_y > 0)
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return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
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else
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return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
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}
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wxCoord YLOG2DEVREL(wxCoord y) const
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{
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if (y > 0)
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return (wxCoord)((double)(y) * m_scaleY + 0.5);
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else
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return (wxCoord)((double)(y) * m_scaleY - 0.5);
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}
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// Returns the surface (and increases its ref count)
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IDirectFBSurfacePtr GetDirectFBSurface() const { return m_surface; }
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protected:
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// initializes the DC from a surface, must be called if default ctor
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// was used
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void Init(const IDirectFBSurfacePtr& surface);
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virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
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int style = wxFLOOD_SURFACE);
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virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
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virtual void DoDrawPoint(wxCoord x, wxCoord y);
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virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
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virtual void DoDrawArc(wxCoord x1, wxCoord y1,
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wxCoord x2, wxCoord y2,
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wxCoord xc, wxCoord yc);
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virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
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double sa, double ea);
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virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
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virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
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wxCoord width, wxCoord height,
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double radius);
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virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
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virtual void DoCrossHair(wxCoord x, wxCoord y);
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virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
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virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
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bool useMask = false);
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virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
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virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
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double angle);
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virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
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wxDC *source, wxCoord xsrc, wxCoord ysrc,
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int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
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// this is gnarly - we can't even call this function DoSetClippingRegion()
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// because of virtual function hiding
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virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
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virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
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wxCoord width, wxCoord height);
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virtual void DoGetSize(int *width, int *height) const;
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virtual void DoGetSizeMM(int* width, int* height) const;
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virtual void DoDrawLines(int n, wxPoint points[],
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wxCoord xoffset, wxCoord yoffset);
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virtual void DoDrawPolygon(int n, wxPoint points[],
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wxCoord xoffset, wxCoord yoffset,
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int fillStyle = wxODDEVEN_RULE);
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// implementation from now on:
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private:
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// Unified implementation of DrawIcon, DrawBitmap and Blit:
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void DoDrawSubBitmap(const wxBitmap &bmp,
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wxCoord x, wxCoord y, wxCoord w, wxCoord h,
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wxCoord destx, wxCoord desty, int rop, bool useMask);
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// selects colour into surface's state
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void SelectColour(const wxColour& clr);
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protected:
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IDirectFBSurfacePtr m_surface;
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double m_mm_to_pix_x, m_mm_to_pix_y;
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DECLARE_DYNAMIC_CLASS(wxDC)
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};
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#endif // _WX_DFB_DC_H_
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