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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__ |