| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wx/cocoa/dc.h |
| 3 | // Purpose: wxDC |
| 4 | // Author: David Elliott |
| 5 | // Modified by: |
| 6 | // Created: 2003/04/01 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2003 David Elliott |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifndef __WX_COCOA_DC_H__ |
| 13 | #define __WX_COCOA_DC_H__ |
| 14 | |
| 15 | DECLARE_WXCOCOA_OBJC_CLASS(NSAffineTransform); |
| 16 | |
| 17 | #include "wx/dc.h" |
| 18 | |
| 19 | class WXDLLIMPEXP_FWD_CORE wxCocoaDCImpl; |
| 20 | WX_DECLARE_LIST(wxCocoaDCImpl, wxCocoaDCStack); |
| 21 | |
| 22 | //========================================================================= |
| 23 | // wxDC |
| 24 | //========================================================================= |
| 25 | class WXDLLIMPEXP_CORE wxCocoaDCImpl: public wxDCImpl |
| 26 | { |
| 27 | DECLARE_ABSTRACT_CLASS(wxCocoaDCImpl) |
| 28 | wxDECLARE_NO_COPY_CLASS(wxCocoaDCImpl); |
| 29 | //------------------------------------------------------------------------- |
| 30 | // Initialization |
| 31 | //------------------------------------------------------------------------- |
| 32 | public: |
| 33 | wxCocoaDCImpl(wxDC *owner); |
| 34 | virtual ~wxCocoaDCImpl(); |
| 35 | |
| 36 | //------------------------------------------------------------------------- |
| 37 | // wxCocoa specifics |
| 38 | //------------------------------------------------------------------------- |
| 39 | public: |
| 40 | static void CocoaInitializeTextSystem(); |
| 41 | static void CocoaShutdownTextSystem(); |
| 42 | static WX_NSTextStorage sm_cocoaNSTextStorage; |
| 43 | static WX_NSLayoutManager sm_cocoaNSLayoutManager; |
| 44 | static WX_NSTextContainer sm_cocoaNSTextContainer; |
| 45 | // Create a simple Wx to Bounds transform (just flip the coordinate system) |
| 46 | static WX_NSAffineTransform CocoaGetWxToBoundsTransform(bool isFlipped, float height); |
| 47 | protected: |
| 48 | // DC stack |
| 49 | static wxCocoaDCStack sm_cocoaDCStack; |
| 50 | virtual bool CocoaLockFocus(); |
| 51 | virtual bool CocoaUnlockFocus(); |
| 52 | bool CocoaUnwindStackAndTakeFocus(); |
| 53 | inline bool CocoaTakeFocus() |
| 54 | { |
| 55 | wxCocoaDCStack::compatibility_iterator node = sm_cocoaDCStack.GetFirst(); |
| 56 | if(node && (node->GetData() == this)) |
| 57 | return true; |
| 58 | return CocoaUnwindStackAndTakeFocus(); |
| 59 | } |
| 60 | void CocoaUnwindStackAndLoseFocus(); |
| 61 | // DC flipping/transformation |
| 62 | void CocoaApplyTransformations(); |
| 63 | void CocoaUnapplyTransformations(); |
| 64 | WX_NSAffineTransform m_cocoaWxToBoundsTransform; |
| 65 | // Get bounds rect (for Clear()) |
| 66 | // note: we use void * to mean NSRect * so that we can avoid |
| 67 | // putting NSRect in the headers. |
| 68 | virtual bool CocoaGetBounds(void *rectData); |
| 69 | // Blitting |
| 70 | virtual bool CocoaDoBlitOnFocusedDC(wxCoord xdest, wxCoord ydest, |
| 71 | wxCoord width, wxCoord height, wxCoord xsrc, wxCoord ysrc, |
| 72 | wxRasterOperationMode logicalFunc, bool useMask, wxCoord xsrcMask, wxCoord ysrcMask); |
| 73 | //------------------------------------------------------------------------- |
| 74 | // Implementation |
| 75 | //------------------------------------------------------------------------- |
| 76 | public: |
| 77 | // implement base class pure virtuals |
| 78 | // ---------------------------------- |
| 79 | |
| 80 | virtual void Clear(); |
| 81 | |
| 82 | virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return true; } |
| 83 | virtual void EndDoc(void) {} |
| 84 | |
| 85 | virtual void StartPage(void) {} |
| 86 | virtual void EndPage(void) {} |
| 87 | |
| 88 | virtual void SetFont(const wxFont& font); |
| 89 | virtual void SetPen(const wxPen& pen); |
| 90 | virtual void SetBrush(const wxBrush& brush); |
| 91 | virtual void SetBackground(const wxBrush& brush); |
| 92 | virtual void SetBackgroundMode(int mode) { m_backgroundMode = mode; } |
| 93 | virtual void SetPalette(const wxPalette& palette); |
| 94 | |
| 95 | virtual void DestroyClippingRegion(); |
| 96 | |
| 97 | virtual wxCoord GetCharHeight() const; |
| 98 | virtual wxCoord GetCharWidth() const; |
| 99 | virtual void DoGetTextExtent(const wxString& string, |
| 100 | wxCoord *x, wxCoord *y, |
| 101 | wxCoord *descent = NULL, |
| 102 | wxCoord *externalLeading = NULL, |
| 103 | const wxFont *theFont = NULL) const; |
| 104 | |
| 105 | virtual bool CanDrawBitmap() const; |
| 106 | virtual bool CanGetTextExtent() const; |
| 107 | virtual int GetDepth() const; |
| 108 | virtual wxSize GetPPI() const; |
| 109 | |
| 110 | virtual void SetMapMode(wxMappingMode mode); |
| 111 | virtual void SetUserScale(double x, double y); |
| 112 | |
| 113 | virtual void SetLogicalScale(double x, double y); |
| 114 | virtual void SetLogicalOrigin(wxCoord x, wxCoord y); |
| 115 | virtual void SetDeviceOrigin(wxCoord x, wxCoord y); |
| 116 | virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp); |
| 117 | virtual void SetLogicalFunction(wxRasterOperationMode function); |
| 118 | |
| 119 | virtual void SetTextForeground(const wxColour& colour) ; |
| 120 | virtual void SetTextBackground(const wxColour& colour) ; |
| 121 | |
| 122 | virtual void ComputeScaleAndOrigin(); |
| 123 | protected: |
| 124 | virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, |
| 125 | wxFloodFillStyle style = wxFLOOD_SURFACE); |
| 126 | |
| 127 | virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const; |
| 128 | |
| 129 | virtual void DoDrawPoint(wxCoord x, wxCoord y); |
| 130 | virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2); |
| 131 | |
| 132 | virtual void DoDrawArc(wxCoord x1, wxCoord y1, |
| 133 | wxCoord x2, wxCoord y2, |
| 134 | wxCoord xc, wxCoord yc); |
| 135 | |
| 136 | virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, |
| 137 | double sa, double ea); |
| 138 | |
| 139 | virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height); |
| 140 | virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y, |
| 141 | wxCoord width, wxCoord height, |
| 142 | double radius); |
| 143 | virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height); |
| 144 | |
| 145 | virtual void DoCrossHair(wxCoord x, wxCoord y); |
| 146 | |
| 147 | virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y); |
| 148 | virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, |
| 149 | bool useMask = false); |
| 150 | |
| 151 | virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y); |
| 152 | virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, |
| 153 | double angle); |
| 154 | |
| 155 | virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, |
| 156 | wxDC *source, wxCoord xsrc, wxCoord ysrc, |
| 157 | int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1); |
| 158 | |
| 159 | // this is gnarly - we can't even call this function DoSetClippingRegion() |
| 160 | // because of virtual function hiding |
| 161 | virtual void DoSetDeviceClippingRegion(const wxRegion& region); |
| 162 | virtual void DoSetClippingRegion(wxCoord x, wxCoord y, |
| 163 | wxCoord width, wxCoord height); |
| 164 | |
| 165 | virtual void DoGetSize(int *width, int *height) const; |
| 166 | virtual void DoGetSizeMM(int* width, int* height) const; |
| 167 | |
| 168 | virtual void DoDrawLines(int n, wxPoint points[], |
| 169 | wxCoord xoffset, wxCoord yoffset); |
| 170 | virtual void DoDrawPolygon(int n, wxPoint points[], |
| 171 | wxCoord xoffset, wxCoord yoffset, |
| 172 | wxPolygonFillMode fillStyle = wxODDEVEN_RULE); |
| 173 | }; |
| 174 | |
| 175 | #endif // __WX_COCOA_DC_H__ |