| | 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 | // this is gnarly - we can't even call this function DoSetClippingRegion() |
| | 128 | // because of virtual function hiding |
| | 129 | virtual void DoSetClippingRegionAsRegion(const wxRegion& region); |
| | 130 | virtual void DoSetClippingRegion(wxCoord x, wxCoord y, |
| | 131 | wxCoord width, wxCoord height); |
| | 132 | |
| | 133 | virtual void DoGetSize(int *width, int *height) const; |
| | 134 | virtual void DoGetSizeMM(int* width, int* height) const; |
| | 135 | |
| | 136 | virtual void DoDrawLines(int n, wxPoint points[], |
| | 137 | wxCoord xoffset, wxCoord yoffset); |
| | 138 | virtual void DoDrawPolygon(int n, wxPoint points[], |
| | 139 | wxCoord xoffset, wxCoord yoffset, |
| | 140 | int fillStyle = wxODDEVEN_RULE); |
| | 141 | |
| | 142 | // implementation from now on: |
| | 143 | protected: |
| | 144 | wxIDirectFBFontPtr GetCurrentFont() const; |
| | 145 | |
| | 146 | private: |
| | 147 | // Unified implementation of DrawIcon, DrawBitmap and Blit: |
| | 148 | void DoDrawSubBitmap(const wxBitmap &bmp, |
| | 149 | wxCoord x, wxCoord y, wxCoord w, wxCoord h, |
| | 150 | wxCoord destx, wxCoord desty, int rop, bool useMask); |
| | 151 | bool DoBlitFromSurface(const wxIDirectFBSurfacePtr& src, |
| | 152 | wxCoord srcx, wxCoord srcy, |
| | 153 | wxCoord w, wxCoord h, |
| | 154 | wxCoord dstx, wxCoord dsty); |
| | 155 | |
| | 156 | // selects colour into surface's state |
| | 157 | void SelectColour(const wxColour& clr); |
| | 158 | |
| | 159 | protected: |
| | 160 | wxIDirectFBSurfacePtr m_surface; |
| | 161 | |
| | 162 | double m_mm_to_pix_x, m_mm_to_pix_y; |
| | 163 | |
| | 164 | friend class WXDLLIMPEXP_FWD_CORE wxOverlayImpl; // for Init |
| | 165 | |
| | 166 | DECLARE_ABSTRACT_CLASS(wxDFBDCImpl) |
| | 167 | }; |
| | 168 | |
| | 169 | #endif // _WX_DFB_DC_H_ |
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