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ShellGraphicsContext.h
1 //========================================================================================
2 //
3 // $File$
4 //
5 // Owner: Brendan O'Shea
6 //
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15 // Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
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22 //========================================================================================
23 
24 #ifndef __ShellGraphicsContext__
25 #define __ShellGraphicsContext__
26 
27 #include "IGraphicsContext.h"
28 #include "K2Assert.h"
29 #include "PMMatrix.h"
30 
31 class IControlView;
32 class IViewPort;
33 class ITransform;
34 
35 #ifdef PUBLIC_BUILD
36 #endif
37 
38 
39 //========================================================================================
40 // CLASS ShellGraphicsContext - A shell around an IGraphicsContext, holds the passed in
41 // constructor parameters & returns them when asked. Most useful
42 // for taking an existing AGMGraphicsContext & applying some
43 // transformation to it (e.g. master pages).
44 //========================================================================================
45 
46 class ShellGraphicsContext : public IGraphicsContext
47 {
48 public:
49 
50  // ----- Initialization -----
51 
52  ShellGraphicsContext(SysRgn clipRgn, SysRgn originAdjustedClip,
53  SysPort sysPort, IViewPort* viewPort,
54  ITransform* xform, IControlView *controlView);
55 
56  ShellGraphicsContext(SysRgn clipRgn, SysRgn originAdjustedClip,
57  SysPort sysPort, IViewPort* viewPort,
58  const PMMatrix& theMatrix, IControlView *controlView);
59 
60  // ----- Clipping -----
61 
62  virtual SysRgn GetClip() const;
63  virtual SysRgn GetOriginAdjustedClip() const;
64 
65  // ----- Accessors -----
66 
67  virtual SysPort GetSysPort() const;
68  virtual IViewPort* GetViewPort() const;
69  virtual const PMMatrix& GetContentToViewTransform() const;
70  virtual const PMMatrix& GetViewToContentTransform() const;
71  virtual IControlView* GetView() const;
72 
73  virtual bool16 IsCurrent() const;
74 
75  virtual dvaui::drawbot::Drawbot* GetDrawbot() const
76  {
77  return NULL;
78  }
79 
80 private:
81 
82  // ----- Data fields -----
83  SysPort fSysPort;
84  IViewPort* fViewPort;
85  PMMatrix fTransform;
86  PMMatrix fInvTransform;
87  bool16 fInverseValid;
88  IControlView* fControlView;
89  SysRgn fClipRgn;
90  SysRgn fOriginAdjustedClip;
91 };
92 
93 
94 #endif