Gabriele Cosmo
146 lines
5.4 KiB
C++
146 lines
5.4 KiB
C++
// This code implementation is the intellectual property of
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// the RD44 GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4OpenGLXView.hh,v 2.5 1998/10/29 09:37:23 barrand Exp $
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// GEANT4 tag $Name: geant4-00 $
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//
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//
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// Andrew Walkden 7th February 1997
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// G4OpenGLXView : Class to provide XWindows specific
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// functionality for OpenGL in GEANT4
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#ifdef G4VIS_BUILD_OPENGLX_DRIVER
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#ifndef G4OPENGLXVIEW_HH
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#define G4OPENGLXVIEW_HH
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#include "G4VView.hh"
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#include "G4OpenGLScene.hh"
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#include "globals.hh"
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#include <rw/tvordvec.h>
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#include <X11/Xlib.h>
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#include <X11/Intrinsic.h>
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#include <X11/Xmu/StdCmap.h>
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#include <GL/gl.h>
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#include <GL/glx.h>
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#include <GL/glu.h>
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class G4OpenGLScene;
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class G4OpenGLXView: virtual public G4OpenGLView {
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public:
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G4OpenGLXView (G4OpenGLScene& scene);
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~G4OpenGLXView ();
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void FinishView ();
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void print();
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protected:
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void GetXConnection ();
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void CreateGLXContext (XVisualInfo* vi);
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virtual void CreateMainWindow ();
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char print_string[50];
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G4bool print_colour,
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vectored_ps;
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//////////////////////////////Vectored PostScript production functions//////////////////////////////
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void printBuffer(GLint, GLfloat*);
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GLfloat* spewPrimitiveEPS (FILE*, GLfloat*);
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void spewSortedFeedback (FILE*, GLint, GLfloat*);
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void spewWireframeEPS (FILE*, GLint, GLfloat*, char*);
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void print3DcolorVertex(GLint, GLint*, GLfloat*);
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G4float pointSize;
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//////////////////////////////Pixmap (screen dump) production functions//////////////////////////////
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GLubyte* grabPixels (int inColor,
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unsigned int width,
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unsigned int height);
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int generateEPS (char* filnam,
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int inColour,
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unsigned int width,
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unsigned int height);
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GLXContext create_GL_print_context (XVisualInfo*& pvi, G4bool& db);
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XWindowAttributes xwa;
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Display *dpy;
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XVisualInfo *vi_immediate,
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*vi_stored,
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*vi;
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Colormap cmap;
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XSetWindowAttributes swa;
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GLXDrawable win;
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GLXContext cx;
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XEvent event;
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G4int *attributeList,
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errorBase,
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eventBase,
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major,
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minor,
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x_origin,
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y_origin;
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XSizeHints *norm_hints;
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XWMHints *wm_hints;
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XClassHint *class_hints;
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Pixmap icon_pixmap;
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XSizeHints *size_hints;
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G4int WinSize_x,
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WinSize_y;
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Atom Xatom;
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XTextProperty windowName,
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iconName;
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char charViewName [100];
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};
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static const char* gouraudtriangleEPS[] =
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{
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"/bd{bind def}bind def /triangle { aload pop setrgbcolor aload pop 5 3",
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"roll 4 2 roll 3 2 roll exch moveto lineto lineto closepath fill } bd",
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"/computediff1 { 2 copy sub abs threshold ge {pop pop pop true} { exch 2",
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"index sub abs threshold ge { pop pop true} { sub abs threshold ge } ifelse",
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"} ifelse } bd /computediff3 { 3 copy 0 get 3 1 roll 0 get 3 1 roll 0 get",
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"computediff1 {true} { 3 copy 1 get 3 1 roll 1 get 3 1 roll 1 get",
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"computediff1 {true} { 3 copy 2 get 3 1 roll 2 get 3 1 roll 2 get",
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"computediff1 } ifelse } ifelse } bd /middlecolor { aload pop 4 -1 roll",
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"aload pop 4 -1 roll add 2 div 5 1 roll 3 -1 roll add 2 div 3 1 roll add 2",
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"div 3 1 roll exch 3 array astore } bd /gouraudtriangle { computediff3 { 4",
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"-1 roll aload 7 1 roll 6 -1 roll pop 3 -1 roll pop add 2 div 3 1 roll add",
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"2 div exch 3 -1 roll aload 7 1 roll exch pop 4 -1 roll pop add 2 div 3 1",
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"roll add 2 div exch 3 -1 roll aload 7 1 roll pop 3 -1 roll pop add 2 div 3",
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"1 roll add 2 div exch 7 3 roll 10 -3 roll dup 3 index middlecolor 4 1 roll",
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"2 copy middlecolor 4 1 roll 3 copy pop middlecolor 4 1 roll 13 -1 roll",
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"aload pop 17 index 6 index 15 index 19 index 6 index 17 index 6 array",
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"astore 10 index 10 index 14 index gouraudtriangle 17 index 5 index 17",
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"index 19 index 5 index 19 index 6 array astore 10 index 9 index 13 index",
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"gouraudtriangle 13 index 16 index 5 index 15 index 18 index 5 index 6",
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"array astore 12 index 12 index 9 index gouraudtriangle 17 index 16 index",
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"15 index 19 index 18 index 17 index 6 array astore 10 index 12 index 14",
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"index gouraudtriangle 18 {pop} repeat } { aload pop 5 3 roll aload pop 7 3",
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"roll aload pop 9 3 roll 4 index 6 index 4 index add add 3 div 10 1 roll 7",
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"index 5 index 3 index add add 3 div 10 1 roll 6 index 4 index 2 index add",
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"add 3 div 10 1 roll 9 {pop} repeat 3 array astore triangle } ifelse } bd",
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NULL
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};
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typedef struct _Feedback3Dcolor {
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GLfloat x;
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GLfloat y;
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GLfloat z;
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GLfloat red;
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GLfloat green;
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GLfloat blue;
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GLfloat alpha;
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} Feedback3Dcolor;
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#endif
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#endif
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