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ROOTOpenGLView.h
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1 // @(#)root/graf2d:$Id$
2 // Author: Timur Pocheptsov 26/04/2012
3 
4 /*************************************************************************
5  * Copyright (C) 1995-2012, Rene Brun and Fons Rademakers. *
6  * All rights reserved. *
7  * *
8  * For the licensing terms see $ROOTSYS/LICENSE. *
9  * For the list of contributors see $ROOTSYS/README/CREDITS. *
10  *************************************************************************/
11 
12 #ifndef ROOT_ROOTOpenGLView
13 #define ROOT_ROOTOpenGLView
14 
15 #include "QuartzWindow.h"
16 
17 ///////////////////////////////////////////
18 // //
19 // OpenGL view's class. //
20 // //
21 ///////////////////////////////////////////
22 
23 @interface ROOTOpenGLView : QuartzView {
24 @private
25  // Explicit i-vars are required for 32-bit build.
26  NSOpenGLContext *fOpenGLContext;
27  BOOL fUpdateContext;
28  //
29  NSOpenGLPixelFormat *fPixelFormat;
30 }
31 
32 - (id) initWithFrame : (NSRect) frameRect pixelFormat : (NSOpenGLPixelFormat *) format;
33 - (void) dealloc;
34 
35 //GL-view does not own GL-context, different GL contexts can be attached to the same view
36 //(though ROOT never does this). View has to know about GL-context only to notify it about
37 //geometry changes (calls -update method) and to clear drawable in a -dealloc method.
38 
39 @property (nonatomic, retain) NSOpenGLContext *fOpenGLContext;
40 
41 //ROOT's GL uses pixel format (TGLFormat class) when TGLWidget is
42 //created, after that, pixel format never changed (though I can do
43 //this with ROOTOpenGLView, there is no interface in ROOT's GL code for this).
44 //So, pixel format is a property of ROOTOpenGLView. GL-view owns pixel format,
45 //it can also be reset externally (again, GL module never does this).
46 //Later, when creating GL-context, this pixel format is used (and
47 //ROOT creates GL-context per GL-widget, thus using pixel format from a widget.
48 
49 - (NSOpenGLPixelFormat *) pixelFormat;
50 - (void) setPixelFormat : (NSOpenGLPixelFormat *) pixelFormat;
51 
52 //View's geometry is updated by ROOT's GUI, but view
53 //can be hidden at the moment (for example, tab with GL-view is not active
54 //at the moment). If so, when view is visible again, context must
55 //be notified about changes in a drawable's geometry.
56 @property (nonatomic, assign) BOOL fUpdateContext;
57 
58 - (BOOL) fIsOpenGLWidget;
59 
60 //X11Window protocol.
61 
62 @property (nonatomic, retain) QuartzPixmap *fBackBuffer;//nil.
63 
64 - (void) mapWindow;
65 - (void) mapSubwindows;
66 - (void) configureNotifyTree;
67 - (BOOL) fIsOverlapped;
68 - (void) setOverlapped : (BOOL) overlap;
69 
70 @end
71 
72 namespace ROOT {
73 namespace MacOSX {
74 namespace OpenGL {
75 
77 
78 }
79 }
80 }
81 
82 #endif
QuartzWindow.h
id
XFontStruct * id
Definition: TGX11.cxx:109
QuartzPixmap
Definition: QuartzPixmap.h:31
ROOTOpenGLView::fUpdateContext
BOOL fUpdateContext
Definition: ROOTOpenGLView.h:33
ROOTOpenGLView::fPixelFormat
NSOpenGLPixelFormat * fPixelFormat
Definition: ROOTOpenGLView.h:35
QuartzView
Definition: QuartzWindow.h:183
ROOTOpenGLView::fOpenGLContext
NSOpenGLContext * fOpenGLContext
Definition: ROOTOpenGLView.h:32
void
typedef void((*Func_t)())
ROOTOpenGLView
Definition: ROOTOpenGLView.h:23
ROOT::MacOSX::OpenGL::GLViewIsValidDrawable
bool GLViewIsValidDrawable(ROOTOpenGLView *glView)
Definition: ROOTOpenGLView.mm:41
ROOT::MacOSX::OpenGL
Definition: ROOTOpenGLView.h:74
ROOT
VSD Structures.
Definition: StringConv.hxx:21