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/* Copyright (c) 1986 Regents of the University of California */ |
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/* Copyright (c) 1994 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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#include "standard.h" |
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#include "color.h" |
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#include "view.h" |
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|
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VIEW stdview = STDVIEW(512); /* default view parameters */ |
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#include "resolu.h" |
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#include "paths.h" |
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|
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bigdiff(c1, c2, md) /* c1 delta c2 > md? */ |
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register COLOR c1, c2; |
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double md; |
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{ |
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register int i; |
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VIEW stdview = STDVIEW; /* default view parameters */ |
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|
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for (i = 0; i < 3; i++) |
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if (colval(c1,i)-colval(c2,i) > md*colval(c2,i) || |
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colval(c2,i)-colval(c1,i) > md*colval(c1,i)) |
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return(1); |
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return(0); |
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} |
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|
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|
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char * |
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setview(v) /* set vhinc and vvinc, return message on error */ |
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setview(v) /* set hvec and vvec, return message on error */ |
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register VIEW *v; |
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{ |
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double tan(), dt; |
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static char ill_horiz[] = "illegal horizontal view size"; |
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static char ill_vert[] = "illegal vertical view size"; |
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|
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if (v->vfore < -FTINY || v->vaft < -FTINY || |
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(v->vaft > FTINY && v->vaft <= v->vfore)) |
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return("illegal fore/aft clipping plane"); |
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|
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if (normalize(v->vdir) == 0.0) /* normalize direction */ |
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return("zero view direction"); |
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|
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fcross(v->vhinc, v->vdir, v->vup); /* compute horiz dir */ |
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|
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if (normalize(v->vhinc) == 0.0) |
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return("illegal view up vector"); |
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|
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fcross(v->vvinc, v->vhinc, v->vdir); /* compute vert dir */ |
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if (normalize(v->vup) == 0.0) /* normalize view up */ |
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return("zero view up vector"); |
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|
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if (v->type == VT_PAR) |
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dt = v->horiz; |
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else if (v->type == VT_PER) |
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dt = 2.0 * tan(v->horiz*(PI/180.0/2.0)); |
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else |
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return("unknown view type"); |
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fcross(v->hvec, v->vdir, v->vup); /* compute horiz dir */ |
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|
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if (dt <= FTINY || dt >= FHUGE) |
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return("illegal horizontal view size"); |
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if (normalize(v->hvec) == 0.0) |
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return("view up parallel to view direction"); |
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|
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if (v->hresolu <= 0) |
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return("illegal horizontal resolution"); |
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fcross(v->vvec, v->hvec, v->vdir); /* compute vert dir */ |
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|
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dt /= (double)v->hresolu; |
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v->vhinc[0] *= dt; |
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v->vhinc[1] *= dt; |
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v->vhinc[2] *= dt; |
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if (v->horiz <= FTINY) |
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return(ill_horiz); |
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if (v->vert <= FTINY) |
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return(ill_vert); |
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|
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if (v->type == VT_PAR) |
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dt = v->vert; |
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else |
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dt = 2.0 * tan(v->vert*(PI/180.0/2.0)); |
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switch (v->type) { |
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case VT_PAR: /* parallel view */ |
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v->hn2 = v->horiz; |
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v->vn2 = v->vert; |
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break; |
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case VT_PER: /* perspective view */ |
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if (v->horiz >= 180.0-FTINY) |
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return(ill_horiz); |
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if (v->vert >= 180.0-FTINY) |
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return(ill_vert); |
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v->hn2 = 2.0 * tan(v->horiz*(PI/180.0/2.0)); |
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v->vn2 = 2.0 * tan(v->vert*(PI/180.0/2.0)); |
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break; |
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case VT_ANG: /* angular fisheye */ |
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if (v->horiz > 360.0+FTINY) |
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return(ill_horiz); |
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if (v->vert > 360.0+FTINY) |
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return(ill_vert); |
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v->hn2 = v->horiz / 90.0; |
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v->vn2 = v->vert / 90.0; |
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break; |
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case VT_HEM: /* hemispherical fisheye */ |
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if (v->horiz > 180.0+FTINY) |
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return(ill_horiz); |
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if (v->vert > 180.0+FTINY) |
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return(ill_vert); |
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v->hn2 = 2.0 * sin(v->horiz*(PI/180.0/2.0)); |
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v->vn2 = 2.0 * sin(v->vert*(PI/180.0/2.0)); |
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break; |
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default: |
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return("unknown view type"); |
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} |
85 |
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if (v->type != VT_ANG) { |
86 |
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v->hvec[0] *= v->hn2; |
87 |
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v->hvec[1] *= v->hn2; |
88 |
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v->hvec[2] *= v->hn2; |
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v->vvec[0] *= v->vn2; |
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v->vvec[1] *= v->vn2; |
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v->vvec[2] *= v->vn2; |
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} |
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v->hn2 *= v->hn2; |
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v->vn2 *= v->vn2; |
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|
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if (dt <= FTINY || dt >= FHUGE) |
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return("illegal vertical view size"); |
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return(NULL); |
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} |
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|
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if (v->vresolu <= 0) |
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return("illegal vertical resolution"); |
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|
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dt /= (double)v->vresolu; |
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v->vvinc[0] *= dt; |
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v->vvinc[1] *= dt; |
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v->vvinc[2] *= dt; |
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|
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return(NULL); |
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normaspect(va, ap, xp, yp) /* fix pixel aspect or resolution */ |
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double va; /* view aspect ratio */ |
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double *ap; /* pixel aspect in (or out if 0) */ |
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int *xp, *yp; /* x and y resolution in (or out if *ap!=0) */ |
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{ |
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if (*ap <= FTINY) |
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*ap = va * *xp / *yp; /* compute pixel aspect */ |
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else if (va * *xp > *ap * *yp) |
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*xp = *yp / va * *ap + .5; /* reduce x resolution */ |
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else |
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*yp = *xp * va / *ap + .5; /* reduce y resolution */ |
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} |
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rayview(orig, direc, v, x, y) /* compute ray origin and direction */ |
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double |
115 |
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viewray(orig, direc, v, x, y) /* compute ray origin and direction */ |
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FVECT orig, direc; |
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register VIEW *v; |
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double x, y; |
119 |
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{ |
120 |
< |
register int i; |
120 |
> |
double d, z; |
121 |
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|
122 |
> |
x += v->hoff - 0.5; |
123 |
> |
y += v->voff - 0.5; |
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|
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< |
x -= 0.5 * v->hresolu; |
126 |
< |
y -= 0.5 * v->vresolu; |
127 |
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|
128 |
< |
if (v->type == VT_PAR) { /* parallel view */ |
129 |
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for (i = 0; i < 3; i++) |
130 |
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orig[i] = v->vp[i] + x*v->vhinc[i] + y*v->vvinc[i]; |
125 |
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switch(v->type) { |
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case VT_PAR: /* parallel view */ |
127 |
> |
orig[0] = v->vp[0] + v->vfore*v->vdir[0] |
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> |
+ x*v->hvec[0] + y*v->vvec[0]; |
129 |
> |
orig[1] = v->vp[1] + v->vfore*v->vdir[1] |
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+ x*v->hvec[1] + y*v->vvec[1]; |
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> |
orig[2] = v->vp[2] + v->vfore*v->vdir[2] |
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+ x*v->hvec[2] + y*v->vvec[2]; |
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VCOPY(direc, v->vdir); |
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} else { /* perspective view */ |
135 |
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VCOPY(orig, v->vp); |
136 |
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for (i = 0; i < 3; i++) |
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direc[i] = v->vdir[i] + x*v->vhinc[i] + y*v->vvinc[i]; |
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< |
normalize(direc); |
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return(v->vaft - v->vfore); |
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case VT_PER: /* perspective view */ |
136 |
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direc[0] = v->vdir[0] + x*v->hvec[0] + y*v->vvec[0]; |
137 |
> |
direc[1] = v->vdir[1] + x*v->hvec[1] + y*v->vvec[1]; |
138 |
> |
direc[2] = v->vdir[2] + x*v->hvec[2] + y*v->vvec[2]; |
139 |
> |
orig[0] = v->vp[0] + v->vfore*direc[0]; |
140 |
> |
orig[1] = v->vp[1] + v->vfore*direc[1]; |
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orig[2] = v->vp[2] + v->vfore*direc[2]; |
142 |
> |
d = normalize(direc); |
143 |
> |
return((v->vaft - v->vfore)*d); |
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> |
case VT_HEM: /* hemispherical fisheye */ |
145 |
> |
z = 1.0 - x*x*v->hn2 - y*y*v->vn2; |
146 |
> |
if (z < 0.0) |
147 |
> |
return(-1.0); |
148 |
> |
z = sqrt(z); |
149 |
> |
direc[0] = z*v->vdir[0] + x*v->hvec[0] + y*v->vvec[0]; |
150 |
> |
direc[1] = z*v->vdir[1] + x*v->hvec[1] + y*v->vvec[1]; |
151 |
> |
direc[2] = z*v->vdir[2] + x*v->hvec[2] + y*v->vvec[2]; |
152 |
> |
orig[0] = v->vp[0] + v->vfore*direc[0]; |
153 |
> |
orig[1] = v->vp[1] + v->vfore*direc[1]; |
154 |
> |
orig[2] = v->vp[2] + v->vfore*direc[2]; |
155 |
> |
return(v->vaft - v->vfore); |
156 |
> |
case VT_ANG: /* angular fisheye */ |
157 |
> |
x *= v->horiz/180.0; |
158 |
> |
y *= v->vert/180.0; |
159 |
> |
d = x*x + y*y; |
160 |
> |
if (d > 1.0) |
161 |
> |
return(-1.0); |
162 |
> |
d = sqrt(d); |
163 |
> |
z = cos(PI*d); |
164 |
> |
d = d <= FTINY ? PI : sqrt(1 - z*z)/d; |
165 |
> |
x *= d; |
166 |
> |
y *= d; |
167 |
> |
direc[0] = z*v->vdir[0] + x*v->hvec[0] + y*v->vvec[0]; |
168 |
> |
direc[1] = z*v->vdir[1] + x*v->hvec[1] + y*v->vvec[1]; |
169 |
> |
direc[2] = z*v->vdir[2] + x*v->hvec[2] + y*v->vvec[2]; |
170 |
> |
orig[0] = v->vp[0] + v->vfore*direc[0]; |
171 |
> |
orig[1] = v->vp[1] + v->vfore*direc[1]; |
172 |
> |
orig[2] = v->vp[2] + v->vfore*direc[2]; |
173 |
> |
return(v->vaft - v->vfore); |
174 |
|
} |
175 |
+ |
return(-1.0); |
176 |
|
} |
177 |
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|
178 |
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|
179 |
< |
sscanview(vp, s) /* get view parameters */ |
180 |
< |
register VIEW *vp; |
181 |
< |
register char *s; |
179 |
> |
viewloc(ip, v, p) /* find image location for point */ |
180 |
> |
FVECT ip; |
181 |
> |
register VIEW *v; |
182 |
> |
FVECT p; |
183 |
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{ |
184 |
< |
for ( ; ; ) |
185 |
< |
switch (*s++) { |
186 |
< |
case '\0': |
187 |
< |
case '\n': |
188 |
< |
return(0); |
189 |
< |
case '-': |
190 |
< |
switch (*s++) { |
191 |
< |
case '\0': |
192 |
< |
return(-1); |
193 |
< |
case 'x': |
194 |
< |
if (sscanf(s, "%d", &vp->hresolu) != 1) |
195 |
< |
return(-1); |
196 |
< |
s = sskip(s); |
197 |
< |
continue; |
198 |
< |
case 'y': |
199 |
< |
if (sscanf(s, "%d", &vp->vresolu) != 1) |
200 |
< |
return(-1); |
134 |
< |
s = sskip(s); |
135 |
< |
continue; |
136 |
< |
case 'v': |
137 |
< |
switch (*s++) { |
138 |
< |
case '\0': |
139 |
< |
return(-1); |
140 |
< |
case 't': |
141 |
< |
vp->type = *s++; |
142 |
< |
continue; |
143 |
< |
case 'p': |
144 |
< |
if (sscanf(s, "%lf %lf %lf", |
145 |
< |
&vp->vp[0], |
146 |
< |
&vp->vp[1], |
147 |
< |
&vp->vp[2]) != 3) |
148 |
< |
return(-1); |
149 |
< |
s = sskip(sskip(sskip(s))); |
150 |
< |
continue; |
151 |
< |
case 'd': |
152 |
< |
if (sscanf(s, "%lf %lf %lf", |
153 |
< |
&vp->vdir[0], |
154 |
< |
&vp->vdir[1], |
155 |
< |
&vp->vdir[2]) != 3) |
156 |
< |
return(-1); |
157 |
< |
s = sskip(sskip(sskip(s))); |
158 |
< |
continue; |
159 |
< |
case 'u': |
160 |
< |
if (sscanf(s, "%lf %lf %lf", |
161 |
< |
&vp->vup[0], |
162 |
< |
&vp->vup[1], |
163 |
< |
&vp->vup[2]) != 3) |
164 |
< |
return(-1); |
165 |
< |
s = sskip(sskip(sskip(s))); |
166 |
< |
continue; |
167 |
< |
case 'h': |
168 |
< |
if (sscanf(s, "%lf", |
169 |
< |
&vp->horiz) != 1) |
170 |
< |
return(-1); |
171 |
< |
s = sskip(s); |
172 |
< |
continue; |
173 |
< |
case 'v': |
174 |
< |
if (sscanf(s, "%lf", |
175 |
< |
&vp->vert) != 1) |
176 |
< |
return(-1); |
177 |
< |
s = sskip(s); |
178 |
< |
continue; |
179 |
< |
} |
180 |
< |
continue; |
181 |
< |
} |
182 |
< |
continue; |
184 |
> |
double d; |
185 |
> |
FVECT disp; |
186 |
> |
|
187 |
> |
disp[0] = p[0] - v->vp[0]; |
188 |
> |
disp[1] = p[1] - v->vp[1]; |
189 |
> |
disp[2] = p[2] - v->vp[2]; |
190 |
> |
|
191 |
> |
switch (v->type) { |
192 |
> |
case VT_PAR: /* parallel view */ |
193 |
> |
ip[2] = DOT(disp,v->vdir) - v->vfore; |
194 |
> |
break; |
195 |
> |
case VT_PER: /* perspective view */ |
196 |
> |
d = DOT(disp,v->vdir); |
197 |
> |
ip[2] = sqrt(DOT(disp,disp)); |
198 |
> |
if (d < 0.0) { /* fold pyramid */ |
199 |
> |
ip[2] = -ip[2]; |
200 |
> |
d = -d; |
201 |
|
} |
202 |
+ |
if (d > FTINY) { |
203 |
+ |
d = 1.0/d; |
204 |
+ |
disp[0] *= d; |
205 |
+ |
disp[1] *= d; |
206 |
+ |
disp[2] *= d; |
207 |
+ |
} |
208 |
+ |
ip[2] *= (1.0 - v->vfore*d); |
209 |
+ |
break; |
210 |
+ |
case VT_HEM: /* hemispherical fisheye */ |
211 |
+ |
d = normalize(disp); |
212 |
+ |
if (DOT(disp,v->vdir) < 0.0) |
213 |
+ |
ip[2] = -d; |
214 |
+ |
else |
215 |
+ |
ip[2] = d; |
216 |
+ |
ip[2] -= v->vfore; |
217 |
+ |
break; |
218 |
+ |
case VT_ANG: /* angular fisheye */ |
219 |
+ |
ip[0] = 0.5 - v->hoff; |
220 |
+ |
ip[1] = 0.5 - v->voff; |
221 |
+ |
ip[2] = normalize(disp) - v->vfore; |
222 |
+ |
d = DOT(disp,v->vdir); |
223 |
+ |
if (d >= 1.0-FTINY) |
224 |
+ |
return; |
225 |
+ |
if (d <= -(1.0-FTINY)) { |
226 |
+ |
ip[0] += 180.0/v->horiz; |
227 |
+ |
ip[1] += 180.0/v->vert; |
228 |
+ |
return; |
229 |
+ |
} |
230 |
+ |
d = acos(d)/PI / sqrt(1.0 - d*d); |
231 |
+ |
ip[0] += DOT(disp,v->hvec)*d*180.0/v->horiz; |
232 |
+ |
ip[1] += DOT(disp,v->vvec)*d*180.0/v->vert; |
233 |
+ |
return; |
234 |
+ |
} |
235 |
+ |
ip[0] = DOT(disp,v->hvec)/v->hn2 + 0.5 - v->hoff; |
236 |
+ |
ip[1] = DOT(disp,v->vvec)/v->vn2 + 0.5 - v->voff; |
237 |
|
} |
238 |
|
|
239 |
|
|
240 |
+ |
pix2loc(loc, rp, px, py) /* compute image location from pixel pos. */ |
241 |
+ |
FLOAT loc[2]; |
242 |
+ |
register RESOLU *rp; |
243 |
+ |
int px, py; |
244 |
+ |
{ |
245 |
+ |
register int x, y; |
246 |
+ |
|
247 |
+ |
if (rp->or & YMAJOR) { |
248 |
+ |
x = px; |
249 |
+ |
y = py; |
250 |
+ |
} else { |
251 |
+ |
x = py; |
252 |
+ |
y = px; |
253 |
+ |
} |
254 |
+ |
if (rp->or & XDECR) |
255 |
+ |
x = rp->xr-1 - x; |
256 |
+ |
if (rp->or & YDECR) |
257 |
+ |
y = rp->yr-1 - y; |
258 |
+ |
loc[0] = (x+.5)/rp->xr; |
259 |
+ |
loc[1] = (y+.5)/rp->yr; |
260 |
+ |
} |
261 |
+ |
|
262 |
+ |
|
263 |
+ |
loc2pix(pp, rp, lx, ly) /* compute pixel pos. from image location */ |
264 |
+ |
int pp[2]; |
265 |
+ |
register RESOLU *rp; |
266 |
+ |
double lx, ly; |
267 |
+ |
{ |
268 |
+ |
register int x, y; |
269 |
+ |
|
270 |
+ |
x = lx * rp->xr; |
271 |
+ |
y = ly * rp->yr; |
272 |
+ |
if (rp->or & XDECR) |
273 |
+ |
x = rp->xr-1 - x; |
274 |
+ |
if (rp->or & YDECR) |
275 |
+ |
y = rp->yr-1 - y; |
276 |
+ |
if (rp->or & YMAJOR) { |
277 |
+ |
pp[0] = x; |
278 |
+ |
pp[1] = y; |
279 |
+ |
} else { |
280 |
+ |
pp[0] = y; |
281 |
+ |
pp[1] = x; |
282 |
+ |
} |
283 |
+ |
} |
284 |
+ |
|
285 |
+ |
|
286 |
+ |
int |
287 |
+ |
getviewopt(v, ac, av) /* process view argument */ |
288 |
+ |
register VIEW *v; |
289 |
+ |
int ac; |
290 |
+ |
register char *av[]; |
291 |
+ |
{ |
292 |
+ |
#define check(c,l) if ((av[0][c]&&av[0][c]!=' ') || \ |
293 |
+ |
badarg(ac-1,av+1,l)) return(-1) |
294 |
+ |
|
295 |
+ |
if (ac <= 0 || av[0][0] != '-' || av[0][1] != 'v') |
296 |
+ |
return(-1); |
297 |
+ |
switch (av[0][2]) { |
298 |
+ |
case 't': /* type */ |
299 |
+ |
if (!av[0][3] || av[0][3]==' ') |
300 |
+ |
return(-1); |
301 |
+ |
check(4,""); |
302 |
+ |
v->type = av[0][3]; |
303 |
+ |
return(0); |
304 |
+ |
case 'p': /* point */ |
305 |
+ |
check(3,"fff"); |
306 |
+ |
v->vp[0] = atof(av[1]); |
307 |
+ |
v->vp[1] = atof(av[2]); |
308 |
+ |
v->vp[2] = atof(av[3]); |
309 |
+ |
return(3); |
310 |
+ |
case 'd': /* direction */ |
311 |
+ |
check(3,"fff"); |
312 |
+ |
v->vdir[0] = atof(av[1]); |
313 |
+ |
v->vdir[1] = atof(av[2]); |
314 |
+ |
v->vdir[2] = atof(av[3]); |
315 |
+ |
return(3); |
316 |
+ |
case 'u': /* up */ |
317 |
+ |
check(3,"fff"); |
318 |
+ |
v->vup[0] = atof(av[1]); |
319 |
+ |
v->vup[1] = atof(av[2]); |
320 |
+ |
v->vup[2] = atof(av[3]); |
321 |
+ |
return(3); |
322 |
+ |
case 'h': /* horizontal size */ |
323 |
+ |
check(3,"f"); |
324 |
+ |
v->horiz = atof(av[1]); |
325 |
+ |
return(1); |
326 |
+ |
case 'v': /* vertical size */ |
327 |
+ |
check(3,"f"); |
328 |
+ |
v->vert = atof(av[1]); |
329 |
+ |
return(1); |
330 |
+ |
case 'o': /* fore clipping plane */ |
331 |
+ |
check(3,"f"); |
332 |
+ |
v->vfore = atof(av[1]); |
333 |
+ |
return(1); |
334 |
+ |
case 'a': /* aft clipping plane */ |
335 |
+ |
check(3,"f"); |
336 |
+ |
v->vaft = atof(av[1]); |
337 |
+ |
return(1); |
338 |
+ |
case 's': /* shift */ |
339 |
+ |
check(3,"f"); |
340 |
+ |
v->hoff = atof(av[1]); |
341 |
+ |
return(1); |
342 |
+ |
case 'l': /* lift */ |
343 |
+ |
check(3,"f"); |
344 |
+ |
v->voff = atof(av[1]); |
345 |
+ |
return(1); |
346 |
+ |
default: |
347 |
+ |
return(-1); |
348 |
+ |
} |
349 |
+ |
#undef check |
350 |
+ |
} |
351 |
+ |
|
352 |
+ |
|
353 |
+ |
int |
354 |
+ |
sscanview(vp, s) /* get view parameters from string */ |
355 |
+ |
VIEW *vp; |
356 |
+ |
register char *s; |
357 |
+ |
{ |
358 |
+ |
int ac; |
359 |
+ |
char *av[4]; |
360 |
+ |
int na; |
361 |
+ |
int nvopts = 0; |
362 |
+ |
|
363 |
+ |
if (*s != '-') |
364 |
+ |
s = sskip(s); |
365 |
+ |
while (*s) { |
366 |
+ |
ac = 0; |
367 |
+ |
do { |
368 |
+ |
av[ac++] = s; |
369 |
+ |
while (*s && *s != ' ') |
370 |
+ |
s++; |
371 |
+ |
while (*s == ' ') |
372 |
+ |
s++; |
373 |
+ |
} while (*s && ac < 4); |
374 |
+ |
if ((na = getviewopt(vp, ac, av)) >= 0) { |
375 |
+ |
if (na+1 < ac) |
376 |
+ |
s = av[na+1]; |
377 |
+ |
nvopts++; |
378 |
+ |
} else if (ac > 1) |
379 |
+ |
s = av[1]; |
380 |
+ |
} |
381 |
+ |
return(nvopts); |
382 |
+ |
} |
383 |
+ |
|
384 |
+ |
|
385 |
|
fprintview(vp, fp) /* write out view parameters */ |
386 |
|
register VIEW *vp; |
387 |
|
FILE *fp; |
391 |
|
fprintf(fp, " -vd %.6g %.6g %.6g", vp->vdir[0], vp->vdir[1], vp->vdir[2]); |
392 |
|
fprintf(fp, " -vu %.6g %.6g %.6g", vp->vup[0], vp->vup[1], vp->vup[2]); |
393 |
|
fprintf(fp, " -vh %.6g -vv %.6g", vp->horiz, vp->vert); |
394 |
< |
fprintf(fp, " -x %d -y %d", vp->hresolu, vp->vresolu); |
394 |
> |
fprintf(fp, " -vo %.6g -va %.6g", vp->vfore, vp->vaft); |
395 |
> |
fprintf(fp, " -vs %.6g -vl %.6g", vp->hoff, vp->voff); |
396 |
|
} |
397 |
|
|
398 |
|
|
399 |
< |
static VIEW *hview; /* view from header */ |
400 |
< |
static int gothview; /* success indicator */ |
401 |
< |
static char *altname[] = {NULL,"rpict","rview",VIEWSTR,NULL}; |
399 |
> |
int |
400 |
> |
isview(s) /* is this a view string? */ |
401 |
> |
char *s; |
402 |
> |
{ |
403 |
> |
static char *altname[]={NULL,VIEWSTR,"rpict","rview","pinterp",NULL}; |
404 |
> |
extern char *progname; |
405 |
> |
register char *cp; |
406 |
> |
register char **an; |
407 |
> |
/* add program name to list */ |
408 |
> |
if (altname[0] == NULL) { |
409 |
> |
for (cp = progname; *cp; cp++) |
410 |
> |
; |
411 |
> |
while (cp > progname && !ISDIRSEP(cp[-1])) |
412 |
> |
cp--; |
413 |
> |
altname[0] = cp; |
414 |
> |
} |
415 |
> |
/* skip leading path */ |
416 |
> |
cp = s; |
417 |
> |
while (*cp && *cp != ' ') |
418 |
> |
cp++; |
419 |
> |
while (cp > s && !ISDIRSEP(cp[-1])) |
420 |
> |
cp--; |
421 |
> |
for (an = altname; *an != NULL; an++) |
422 |
> |
if (!strncmp(*an, cp, strlen(*an))) |
423 |
> |
return(1); |
424 |
> |
return(0); |
425 |
> |
} |
426 |
|
|
427 |
|
|
428 |
+ |
struct myview { |
429 |
+ |
VIEW *hv; |
430 |
+ |
int ok; |
431 |
+ |
}; |
432 |
+ |
|
433 |
+ |
|
434 |
|
static |
435 |
< |
gethview(s) /* get view from header */ |
435 |
> |
gethview(s, v) /* get view from header */ |
436 |
|
char *s; |
437 |
+ |
register struct myview *v; |
438 |
|
{ |
439 |
< |
register char **an; |
440 |
< |
|
211 |
< |
for (an = altname; *an != NULL; an++) |
212 |
< |
if (!strncmp(*an, s, strlen(*an))) { |
213 |
< |
if (sscanview(hview, s+strlen(*an)) == 0) |
214 |
< |
gothview++; |
215 |
< |
return; |
216 |
< |
} |
439 |
> |
if (isview(s) && sscanview(v->hv, s) > 0) |
440 |
> |
v->ok++; |
441 |
|
} |
442 |
|
|
443 |
|
|
444 |
|
int |
445 |
< |
viewfile(fname, vp) /* get view from file */ |
445 |
> |
viewfile(fname, vp, rp) /* get view from file */ |
446 |
|
char *fname; |
447 |
|
VIEW *vp; |
448 |
+ |
RESOLU *rp; |
449 |
|
{ |
450 |
< |
extern char *progname; |
450 |
> |
struct myview mvs; |
451 |
|
FILE *fp; |
452 |
|
|
453 |
|
if ((fp = fopen(fname, "r")) == NULL) |
454 |
|
return(-1); |
455 |
|
|
456 |
< |
altname[0] = progname; |
457 |
< |
hview = vp; |
233 |
< |
gothview = 0; |
456 |
> |
mvs.hv = vp; |
457 |
> |
mvs.ok = 0; |
458 |
|
|
459 |
< |
getheader(fp, gethview); |
459 |
> |
getheader(fp, gethview, &mvs); |
460 |
|
|
461 |
+ |
if (rp != NULL && !fgetsresolu(rp, fp)) |
462 |
+ |
mvs.ok = 0; |
463 |
+ |
|
464 |
|
fclose(fp); |
465 |
|
|
466 |
< |
return(gothview); |
466 |
> |
return(mvs.ok); |
467 |
|
} |