OpenGl_telem_util.hxx File Reference

#include <math.h>
#include <GL/gl.h>
#include <GL/glx.h>
#include <OpenGl_telem.hxx>

Data Structures
struct	Tmatrix3Struct
Defines
#define	IMP190100
#define	BUC60823
#define	shortreallast()   (3.e+38)
#define	shortrealfirst()   (-3.e+38)
#define	square(a)   ((a)*(a))
#define	vecadd(a, b, c)
#define	vecsub(a, b, c)
#define	vecdot(a, b)   ((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2])
#define	veccrs(a, b, c)
#define	vecscl(a, b)   { (b)[0] *= (a); (b)[1] *= (a); (b)[2] *= (a); }
#define	vecmg2(a)   (square((a)[0])+square((a)[1])+square((a)[2]))
#define	vecmag(a)   (sqrt((double)vecmg2(a)))
#define	vecnrmd(a, d)
#define	vecnrm(a)   { Tfloat d; vecnrmd(a,d); }
#define	vecang(a, b, d)
#define	vecgnd(a, b, c, d)
#define	veccpy(a, b)   ((a)[0]=(b)[0],(a)[1]=(b)[1],(a)[2]=(b)[2])
#define	matcpy(d, s)   { *((Tmatrix3Struct*)(d)) = *((Tmatrix3Struct*)(s)); }
#define	matdump(m)
Functions
Tint	TelRemdupnames (Tint *, Tint)
int	TelGetPolygonNormal (tel_point, Tint *, Tint, Tfloat *)
int	TelGetNormal (Tfloat *, Tfloat *, Tfloat *, Tfloat *)
Tint	TelIsBackFace (Tmatrix3, Tfloat *)
Tint	TelIsBackFacePerspective (Tmatrix3, Tfloat *, Tfloat *, Tfloat *)
void	TelMultiplymat3 (Tmatrix3, Tmatrix3, Tmatrix3)
void	TelTransposemat3 (Tmatrix3)
void	TelTranpt3 (Tfloat[4], Tfloat[4], Tmatrix3)
void	TelInitWS (Tint, Tint, Tint, Tfloat, Tfloat, Tfloat)
void	TelSwapBuffers (Tint)
void	TelCopyBuffers (Tint, GLenum, GLenum, Tfloat, Tfloat, Tfloat, Tfloat, Tfloat, Tfloat, Tint)
TStatus	TelProjectionRaster (Tint ws, Tfloat x, Tfloat y, Tfloat z, Tfloat *xr, Tfloat *yr)
TStatus	TelUnProjectionRaster (Tint ws, Tint xr, Tint yr, Tfloat *x, Tfloat *y, Tfloat *z)
TStatus	TelUnProjectionRasterWithRay (Tint ws, Tint xr, Tint yr, Tfloat *x, Tfloat *y, Tfloat *z, Tfloat *dx, Tfloat *dy, Tfloat *dz)
Tint	TelBackBufferRestored (void)
void	TelSetBackBufferRestored (Tint)
void	TelEnable (Tint)
void	TelDisable (Tint)
void	TelFlush (Tint)
void	TelSetFrontFaceAttri (Tint, Tint, Tint, Tint, Tint, Tint, Tint, Tint, tel_surf_prop, tel_surf_prop, tel_colour, tel_colour)
void	TelSetBackFaceAttri (Tint, Tint, Tint, Tint, Tint, Tint, Tint, Tint, tel_surf_prop, tel_surf_prop, tel_colour, tel_colour)
void	TelReadImage (Tint, GLenum, Tint, Tint, Tint, Tint, unsigned int *)
void	TelDrawImage (Tint, GLenum, Tint, Tint, Tint, Tint, unsigned int *)
void	TelReadDepths (Tint, Tint, Tint, Tint, Tint, float *)
void	TelMakeFrontBufCurrent (Tint)
void	TelMakeBackBufCurrent (Tint)
void	TelMakeFrontAndBackBufCurrent (Tint)
void	TelSetPixmapDBParams (Display *dpy, Window window, int width, int height, int depth, GC gc, Pixmap pixmap, GLXPixmap glxpixmap, GLXContext ctx)
GLXPixmap	TelGetGLXPixmap (void)
void	TelSetPixmapDB (int flag)
int	TelTestPixmapDB (void)
void	TelDrawBuffer (GLenum buf)

---

Define Documentation

#define BUC60823

#define IMP190100

#define matcpy	(		d,
			s
	)		{ *((Tmatrix3Struct*)(d)) = *((Tmatrix3Struct*)(s)); }

#define matdump

(

m

)

Value:

{ \
  int i, j; \
  for (i=0; i<4; i++) {\
  printf ("\t"); \
  for (j=0; j<4; j++) \
  printf ("%f ", m[i][j]); \
  printf ("\n"); \
  } \
}

#define shortrealfirst

(

)

(-3.e+38)

#define shortreallast

(

)

(3.e+38)

#define square

(

a

)

((a)*(a))

#define vecadd	(		a,
			b,
			c
	)

Value:

{ (a)[0]=(b)[0]+(c)[0]; \
  (a)[1]=(b)[1]+(c)[1]; \
  (a)[2]=(b)[2]+(c)[2]; }

#define vecang	(		a,
			b,
			d
	)

Value:

{ d = (Tfloat)(vecmag(a)*vecmag(b)); \
  d = vecdot(a,b)/d; \
  d = d < -1.0F ? -1.0F : d > 1.0F ? 1.0F : d; \
  d = ( Tfloat )acos(d); }

#define veccpy	(		a,
			b
	)		((a)[0]=(b)[0],(a)[1]=(b)[1],(a)[2]=(b)[2])

#define veccrs	(		a,
			b,
			c
	)

Value:

{ Tfloat x, y, z; \
  x = (b)[1]*(c)[2] - (b)[2]*(c)[1]; \
  y = (b)[2]*(c)[0] - (b)[0]*(c)[2]; \
  z = (b)[0]*(c)[1] - (b)[1]*(c)[0]; \
  (a)[0] = x; \
  (a)[1] = y; \
  (a)[2] = z; }

#define vecdot	(		a,
			b
	)		((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2])

#define vecgnd	(		a,
			b,
			c,
			d
	)

Value:

{ Tfloat w; w = d/vecmag(c); \
  (a)[0] = (b)[0]+(c)[0]*w;  \
  (a)[1] = (b)[1]+(c)[1]*w;  \
  (a)[2] = (b)[2]+(c)[2]*w;  }

#define vecmag

(

a

)

(sqrt((double)vecmg2(a)))

#define vecmg2

(

a

)

(square((a)[0])+square((a)[1])+square((a)[2]))

#define vecnrm

(

a

)

{ Tfloat d; vecnrmd(a,d); }

#define vecnrmd	(		a,
			d
	)

Value:

( d = (Tfloat)vecmag(a), \
  ( d > 1e-10 ? (a[0] /= d, a[1] /= d, a[2] /= d, d) : (Tfloat)0. ) )

#define vecscl	(		a,
			b
	)		{ (b)[0] *= (a); (b)[1] *= (a); (b)[2] *= (a); }

#define vecsub	(		a,
			b,
			c
	)

Value:

{ (a)[0]=(b)[0]-(c)[0]; \
  (a)[1]=(b)[1]-(c)[1]; \
  (a)[2]=(b)[2]-(c)[2]; }

---

Function Documentation

Tint TelBackBufferRestored

(

void

)

void TelCopyBuffers	(	Tint	,
		GLenum	,
		GLenum	,
		Tfloat	,
		Tfloat	,
		Tfloat	,
		Tfloat	,
		Tfloat	,
		Tfloat	,
		Tint
	)

void TelDisable

(

Tint

)

void TelDrawBuffer

(

GLenum

buf

)

void TelDrawImage	(	Tint	,
		GLenum	,
		Tint	,
		Tint	,
		Tint	,
		Tint	,
		unsigned int *
	)

void TelEnable

(

Tint

)

void TelFlush

(

Tint

)

GLXPixmap TelGetGLXPixmap

(

void

)

int TelGetNormal	(	Tfloat *	,
		Tfloat *	,
		Tfloat *	,
		Tfloat *
	)

int TelGetPolygonNormal	(	tel_point	,
		Tint *	,
		Tint	,
		Tfloat *
	)

void TelInitWS	(	Tint	,
		Tint	,
		Tint	,
		Tfloat	,
		Tfloat	,
		Tfloat
	)

Tint TelIsBackFace	(	Tmatrix3	,
		Tfloat *
	)

Tint TelIsBackFacePerspective	(	Tmatrix3	,
		Tfloat *	,
		Tfloat *	,
		Tfloat *
	)

void TelMakeBackBufCurrent

(

Tint

)

void TelMakeFrontAndBackBufCurrent

(

Tint

)

void TelMakeFrontBufCurrent

(

Tint

)

void TelMultiplymat3	(	Tmatrix3	,
		Tmatrix3	,
		Tmatrix3
	)

TStatus TelProjectionRaster	(	Tint	ws,
		Tfloat	x,
		Tfloat	y,
		Tfloat	z,
		Tfloat *	xr,
		Tfloat *	yr
	)

void TelReadDepths	(	Tint	,
		Tint	,
		Tint	,
		Tint	,
		Tint	,
		float *
	)

void TelReadImage	(	Tint	,
		GLenum	,
		Tint	,
		Tint	,
		Tint	,
		Tint	,
		unsigned int *
	)

Tint TelRemdupnames	(	Tint *	,
		Tint
	)

void TelSetBackBufferRestored

(

Tint

)

void TelSetBackFaceAttri	(	Tint	,
		Tint	,
		Tint	,
		Tint	,
		Tint	,
		Tint	,
		Tint	,
		Tint	,
		tel_surf_prop	,
		tel_surf_prop	,
		tel_colour	,
		tel_colour
	)

void TelSetFrontFaceAttri	(	Tint	,
		Tint	,
		Tint	,
		Tint	,
		Tint	,
		Tint	,
		Tint	,
		Tint	,
		tel_surf_prop	,
		tel_surf_prop	,
		tel_colour	,
		tel_colour
	)

void TelSetPixmapDB

(

int

flag

)

void TelSetPixmapDBParams	(	Display *	dpy,
		Window	window,
		int	width,
		int	height,
		int	depth,
		GC	gc,
		Pixmap	pixmap,
		GLXPixmap	glxpixmap,
		GLXContext	ctx
	)

void TelSwapBuffers

(

Tint

)

int TelTestPixmapDB

(

void

)

void TelTranpt3	(	Tfloat	[4],
		Tfloat	[4],
		Tmatrix3
	)

void TelTransposemat3

(

Tmatrix3

)

TStatus TelUnProjectionRaster	(	Tint	ws,
		Tint	xr,
		Tint	yr,
		Tfloat *	x,
		Tfloat *	y,
		Tfloat *	z
	)

TStatus TelUnProjectionRasterWithRay	(	Tint	ws,
		Tint	xr,
		Tint	yr,
		Tfloat *	x,
		Tfloat *	y,
		Tfloat *	z,
		Tfloat *	dx,
		Tfloat *	dy,
		Tfloat *	dz
	)