| 1 |
greg |
2.2 |
#ifndef lint |
| 2 |
greg |
2.7 |
static const char RCSid[] = "$Id: pictool.c,v 2.6 2019/07/19 17:37:56 greg Exp $"; |
| 3 |
greg |
2.2 |
#endif |
| 4 |
greg |
2.1 |
#include "pictool.h" |
| 5 |
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#include "g3sphere.h" |
| 6 |
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#include <math.h> |
| 7 |
greg |
2.6 |
#include "rtio.h" |
| 8 |
greg |
2.1 |
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| 9 |
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#define index strchr |
| 10 |
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| 11 |
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| 12 |
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| 13 |
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int pict_init(pict* p) |
| 14 |
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{ |
| 15 |
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p->pic = NULL; |
| 16 |
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p->use_lut = 0; |
| 17 |
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p->lut = NULL; |
| 18 |
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p->pjitter = 0; |
| 19 |
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p->comment[0] = '\0'; |
| 20 |
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#ifdef PICT_GLARE |
| 21 |
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p->pinfo = NULL; |
| 22 |
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p->glareinfo = g3fl_create(PICT_GLSIZE); |
| 23 |
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#endif |
| 24 |
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p->valid_view = 1; |
| 25 |
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p->view = stdview; |
| 26 |
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if (!pict_update_view(p)) |
| 27 |
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return 0; |
| 28 |
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p->resol.rt = PIXSTANDARD; |
| 29 |
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return pict_resize(p,512,512); |
| 30 |
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} |
| 31 |
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| 32 |
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void pict_new_gli(pict* p) |
| 33 |
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{ |
| 34 |
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int i; |
| 35 |
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| 36 |
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g3Float* gli; |
| 37 |
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gli = g3fl_append_new(p->glareinfo); |
| 38 |
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for(i=0;i<PICT_GLSIZE;i++) |
| 39 |
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gli[i] = 0.0; |
| 40 |
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} |
| 41 |
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| 42 |
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void pict_set_comment(pict* p,const char* c) |
| 43 |
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{ |
| 44 |
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strcpy(p->comment,c); |
| 45 |
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} |
| 46 |
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| 47 |
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pict* pict_get_copy(pict* p) |
| 48 |
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{ |
| 49 |
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pict* res; |
| 50 |
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| 51 |
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if (p->use_lut) { |
| 52 |
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fprintf(stderr,"pict_get_copy: can't copy in lut mode"); |
| 53 |
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return NULL; |
| 54 |
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} |
| 55 |
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res = pict_create(); |
| 56 |
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pict_resize(res,pict_get_xsize(p),pict_get_ysize(p)); |
| 57 |
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res->view = p->view; |
| 58 |
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res->resol = p->resol; |
| 59 |
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res->pjitter = p->pjitter; |
| 60 |
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return res; |
| 61 |
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} |
| 62 |
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| 63 |
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pict* pict_create() |
| 64 |
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{ |
| 65 |
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pict* p = (pict*) malloc(sizeof(pict)); |
| 66 |
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| 67 |
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if (!pict_init(p)) { |
| 68 |
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pict_free(p); |
| 69 |
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return NULL; |
| 70 |
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} |
| 71 |
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return p; |
| 72 |
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} |
| 73 |
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| 74 |
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void pict_free(pict* p) |
| 75 |
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{ |
| 76 |
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if (p->pic) |
| 77 |
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free(p->pic); |
| 78 |
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#ifdef PICT_GLARE |
| 79 |
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if (p->pinfo) |
| 80 |
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free(p->pinfo); |
| 81 |
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g3fl_free(p->glareinfo); |
| 82 |
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p->pinfo = NULL; |
| 83 |
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#endif |
| 84 |
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p->pic = NULL; |
| 85 |
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p->lut = NULL; |
| 86 |
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free(p); |
| 87 |
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} |
| 88 |
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static int exp_headline(char* s,void* exparg) { |
| 89 |
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double* exposure; |
| 90 |
greg |
2.3 |
if(strstr(s, EXPOSSTR) != NULL ) { |
| 91 |
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fprintf(stderr,"EXP AND tab\n"); |
| 92 |
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} |
| 93 |
greg |
2.1 |
|
| 94 |
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exposure = (double*) exparg; |
| 95 |
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if (isexpos(s)) { |
| 96 |
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(*exposure) *= exposval(s); |
| 97 |
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} |
| 98 |
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return 0; |
| 99 |
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} |
| 100 |
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| 101 |
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static double read_exposure(FILE* fp) |
| 102 |
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{ |
| 103 |
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double exposure = 1; |
| 104 |
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| 105 |
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| 106 |
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if ((getheader(fp, exp_headline, &exposure)) < 0) { |
| 107 |
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fprintf(stderr,"error reading header\n"); |
| 108 |
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return 0; |
| 109 |
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} |
| 110 |
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return exposure; |
| 111 |
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} |
| 112 |
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| 113 |
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int pict_update_view(pict* p) |
| 114 |
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{ |
| 115 |
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char* ret; |
| 116 |
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if ((ret = setview(&(p->view)))) { |
| 117 |
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fprintf(stderr,"pict_update_view: %s\n",ret); |
| 118 |
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return 0; |
| 119 |
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} |
| 120 |
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return 1; |
| 121 |
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} |
| 122 |
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| 123 |
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int pict_set_pj(pict* p,double pj) |
| 124 |
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{ |
| 125 |
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if ((pj < 0) || (pj > 1)) |
| 126 |
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fprintf(stderr,"pict_set_pj: warning jitter factor out of range\n"); |
| 127 |
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p->pjitter = pj; |
| 128 |
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return 1; |
| 129 |
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} |
| 130 |
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| 131 |
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int pict_setvup(pict* p,FVECT vup) |
| 132 |
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{ |
| 133 |
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VCOPY(p->view.vup,vup); |
| 134 |
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return pict_update_view(p); |
| 135 |
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} |
| 136 |
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| 137 |
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int pict_trans_cam(pict* p,g3ATrans t) |
| 138 |
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{ |
| 139 |
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g3Vec o = g3v_create(); |
| 140 |
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g3Vec d = g3v_create(); |
| 141 |
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g3Vec u = g3v_create(); |
| 142 |
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| 143 |
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fprintf(stderr,"vdpre %f %f %f\n",p->view.vdir[0],p->view.vdir[1],p->view.vdir[2]); |
| 144 |
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fprintf(stderr,"vupre %f %f %f\n",p->view.vup[0],p->view.vup[1],p->view.vup[2]); |
| 145 |
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g3v_fromrad(o,p->view.vp); |
| 146 |
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g3v_fromrad(d,p->view.vdir); |
| 147 |
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g3v_fromrad(u,p->view.vup); |
| 148 |
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| 149 |
|
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g3v_add(d,d,o); |
| 150 |
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g3v_add(u,u,o); |
| 151 |
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g3at_apply(t,o); |
| 152 |
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g3at_apply(t,u); |
| 153 |
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g3at_apply(t,d); |
| 154 |
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g3v_sub(d,d,o); |
| 155 |
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g3v_sub(u,u,o); |
| 156 |
|
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g3v_torad(p->view.vp,o); |
| 157 |
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g3v_torad(p->view.vdir,d); |
| 158 |
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g3v_torad(p->view.vup,u); |
| 159 |
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fprintf(stderr,"vd %f %f %f\n",p->view.vdir[0],p->view.vdir[1],p->view.vdir[2]); |
| 160 |
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fprintf(stderr,"vu %f %f %f\n",p->view.vup[0],p->view.vup[1],p->view.vup[2]); |
| 161 |
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| 162 |
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g3v_free(o); |
| 163 |
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g3v_free(d); |
| 164 |
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g3v_free(u); |
| 165 |
|
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return pict_update_view(p); |
| 166 |
|
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} |
| 167 |
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| 168 |
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int pict_resize(pict* p,int x,int y) |
| 169 |
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{ |
| 170 |
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p->resol.xr = x; |
| 171 |
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p->resol.yr = y; |
| 172 |
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| 173 |
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if (!(p->pic = (COLOR*) realloc(p->pic,(p->resol.xr)*(p->resol.yr)*sizeof(COLOR)))) { |
| 174 |
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fprintf(stderr,"Can't alloc picture\n"); |
| 175 |
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return 0; |
| 176 |
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} |
| 177 |
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if (pict_lut_used(p)) { |
| 178 |
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if (!(p->lut = (COLOR*) realloc(p->lut,(p->resol.xr)*(p->resol.yr)*sizeof(COLOR)))) { |
| 179 |
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fprintf(stderr,"Can't alloc LUT\n"); |
| 180 |
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return 0; |
| 181 |
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} |
| 182 |
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} |
| 183 |
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#ifdef PICT_GLARE |
| 184 |
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if (!(p->pinfo = (pixinfo*) |
| 185 |
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realloc(p->pinfo,(p->resol.xr)*p->resol.yr*sizeof(pixinfo)))) { |
| 186 |
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fprintf(stderr,"Can't alloc picture info\n"); |
| 187 |
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return 0; |
| 188 |
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} |
| 189 |
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/* fprintf(stderr,"resize %d %d %d\n",p->resol.xr,p->resol.yr,sizeof(pixinfo));*/ |
| 190 |
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#endif |
| 191 |
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return 1; |
| 192 |
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} |
| 193 |
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| 194 |
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| 195 |
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int pict_zero(pict* p) |
| 196 |
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{ |
| 197 |
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int x,y,i; |
| 198 |
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| 199 |
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for(x=0;x<pict_get_xsize(p);x++) |
| 200 |
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for(y=0;y<pict_get_ysize(p);y++) |
| 201 |
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for(i=0;i<3;i++) |
| 202 |
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pict_get_color(p,x,y)[i] = 0; |
| 203 |
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return 1; |
| 204 |
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} |
| 205 |
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| 206 |
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struct hinfo { |
| 207 |
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VIEW *hv; |
| 208 |
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int ok; |
| 209 |
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double exposure; |
| 210 |
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}; |
| 211 |
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| 212 |
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| 213 |
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static int |
| 214 |
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gethinfo( /* get view from header */ |
| 215 |
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char *s, |
| 216 |
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void *v |
| 217 |
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) |
| 218 |
|
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{ |
| 219 |
greg |
2.3 |
if(strstr(s, EXPOSSTR) != NULL && strstr(s, "\t") != NULL) { |
| 220 |
greg |
2.4 |
|
| 221 |
|
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fprintf(stderr,"error: header contains invalid exposure entry!!!!\n"); |
| 222 |
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fprintf(stderr,"check exposure and correct header setting !\n"); |
| 223 |
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| 224 |
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| 225 |
greg |
2.3 |
fprintf(stderr,"stopping !!!!\n"); |
| 226 |
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exit(1); |
| 227 |
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} |
| 228 |
greg |
2.1 |
if (isview(s) && sscanview(((struct hinfo*)v)->hv, s) > 0) { |
| 229 |
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((struct hinfo*)v)->ok++; |
| 230 |
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} else if (isexpos(s)) { |
| 231 |
|
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/*fprintf(stderr,"readexp %f %f\n",((struct hinfo*)v)->exposure,exposval(s));*/ |
| 232 |
|
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((struct hinfo*)v)->exposure *= exposval(s); |
| 233 |
|
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} |
| 234 |
|
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return(0); |
| 235 |
|
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} |
| 236 |
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| 237 |
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int pict_read_fp(pict* p,FILE* fp) |
| 238 |
|
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{ |
| 239 |
|
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struct hinfo hi; |
| 240 |
|
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int x,y,yy; |
| 241 |
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| 242 |
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| 243 |
|
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hi.hv = &(p->view); |
| 244 |
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hi.ok = 0; |
| 245 |
|
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hi.exposure = 1; |
| 246 |
|
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getheader(fp, gethinfo, &hi); |
| 247 |
|
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/*fprintf(stderr,"expscale %f\n",hi.exposure);*/ |
| 248 |
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| 249 |
|
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if (!(pict_update_view(p)) || !(hi.ok)) |
| 250 |
|
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p->valid_view = 0; |
| 251 |
|
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/* printf("dir %f %f %f\n",p->view.vdir[0],p->view.vdir[1],p->view.vdir[2]); */ |
| 252 |
|
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if (fgetsresolu(&(p->resol),fp) < 0) { |
| 253 |
|
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fprintf(stderr,"No resolution given\n"); |
| 254 |
|
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return 0; |
| 255 |
|
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} |
| 256 |
|
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if (!(p->resol.rt & YMAJOR)) { |
| 257 |
|
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x = p->resol.xr; |
| 258 |
|
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p->resol.xr = p->resol.yr; |
| 259 |
|
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p->resol.yr = x; |
| 260 |
|
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p->resol.rt |= YMAJOR; |
| 261 |
|
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} |
| 262 |
|
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if (!pict_resize(p,p->resol.xr,p->resol.yr)) |
| 263 |
|
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return 0; |
| 264 |
|
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for(yy=0;yy<p->resol.yr;yy++) { |
| 265 |
|
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y = (p->resol.rt & YDECR) ? p->resol.yr - 1 - yy : yy; |
| 266 |
|
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if (freadscan((p->pic + y*p->resol.xr),p->resol.xr,fp) < 0) { |
| 267 |
|
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fprintf(stderr,"error reading line %d\n",y); |
| 268 |
|
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return 0; |
| 269 |
|
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} |
| 270 |
|
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for(x=0;x<p->resol.xr;x++) { |
| 271 |
|
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scalecolor(pict_get_color(p,x,y),1.0/hi.exposure); |
| 272 |
|
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} |
| 273 |
|
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} |
| 274 |
|
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#ifdef PICT_GLARE |
| 275 |
|
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pict_update_evalglare_caches(p); |
| 276 |
|
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#endif |
| 277 |
|
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return 1; |
| 278 |
|
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} |
| 279 |
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| 280 |
|
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#ifdef PICT_GLARE |
| 281 |
|
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void pict_update_evalglare_caches(pict* p) |
| 282 |
|
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{ |
| 283 |
|
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int x,y,yy; |
| 284 |
|
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float lum; |
| 285 |
|
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for(yy=0;yy<p->resol.yr;yy++) { |
| 286 |
|
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y = (p->resol.rt & YDECR) ? p->resol.yr - 1 - yy : yy; |
| 287 |
|
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for(x=0;x<p->resol.xr;x++) { |
| 288 |
|
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pict_get_omega(p,x,y) = pict_get_sangle(p,x,y); |
| 289 |
|
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pict_get_dir(p,x,y,pict_get_cached_dir(p,x,y)); |
| 290 |
|
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pict_get_gsn(p,x,y) = 0; |
| 291 |
|
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pict_get_pgs(p,x,y) = 0; |
| 292 |
|
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/* make picture grey */ |
| 293 |
|
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lum=luminance(pict_get_color(p,x,y))/179.0; |
| 294 |
|
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pict_get_color(p,x,y)[RED]=lum; |
| 295 |
|
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pict_get_color(p,x,y)[GRN]=lum; |
| 296 |
|
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pict_get_color(p,x,y)[BLU]=lum; |
| 297 |
|
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} |
| 298 |
|
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} |
| 299 |
|
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} |
| 300 |
|
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| 301 |
|
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#endif |
| 302 |
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| 303 |
|
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int pict_read(pict* p,char* fn) |
| 304 |
|
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{ |
| 305 |
|
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FILE* fp; |
| 306 |
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|
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| 307 |
|
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if (!(fp = fopen(fn,"rb"))) { |
| 308 |
|
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fprintf(stderr,"Can't open %s\n",fn); |
| 309 |
|
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return 0; |
| 310 |
|
|
} |
| 311 |
|
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if (!(pict_read_fp(p,fp))) |
| 312 |
|
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return 0; |
| 313 |
|
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fclose(fp); |
| 314 |
|
|
return 1; |
| 315 |
|
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} |
| 316 |
|
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|
| 317 |
|
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static void ch_pct(char* line) |
| 318 |
|
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{ |
| 319 |
|
|
char* pct; |
| 320 |
|
|
|
| 321 |
|
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while ((pct = index(line,','))) |
| 322 |
|
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*pct = '.'; |
| 323 |
|
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} |
| 324 |
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|
| 325 |
|
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char* nextline(FILE* fp) |
| 326 |
|
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{ |
| 327 |
|
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static char* line = NULL; |
| 328 |
|
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static int lsize = 500; |
| 329 |
|
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int done; |
| 330 |
|
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long fpos; |
| 331 |
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|
|
| 332 |
|
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if (!line) { |
| 333 |
|
|
if (!(line = (char*) malloc((lsize + 1)*sizeof(char)))) { |
| 334 |
|
|
fprintf(stderr,"allocation problem in nextline\n"); |
| 335 |
|
|
return NULL; |
| 336 |
|
|
} |
| 337 |
|
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} |
| 338 |
|
|
done = 0; |
| 339 |
|
|
fpos = ftell(fp); |
| 340 |
|
|
while(!done) { |
| 341 |
|
|
if (!fgets(line,lsize,fp)) |
| 342 |
|
|
return NULL; |
| 343 |
|
|
if (!index(line,'\n')) { |
| 344 |
|
|
lsize *= 2; |
| 345 |
|
|
if (!(line = (char*) realloc(line,(lsize + 1)*sizeof(char)))) { |
| 346 |
|
|
fprintf(stderr,"allocation problem in nextline\n"); |
| 347 |
|
|
return NULL; |
| 348 |
|
|
} |
| 349 |
|
|
fseek(fp,fpos,SEEK_SET); |
| 350 |
|
|
} else { |
| 351 |
|
|
done = 1; |
| 352 |
|
|
} |
| 353 |
|
|
} |
| 354 |
|
|
return line; |
| 355 |
|
|
} |
| 356 |
|
|
|
| 357 |
|
|
static int read_tt_txt(pict* p,int bufsel,int channel,char* fn) |
| 358 |
|
|
{ |
| 359 |
|
|
FILE* fp; |
| 360 |
|
|
char* line = NULL; |
| 361 |
|
|
int x,y,vsize,hsize; |
| 362 |
|
|
float* col; |
| 363 |
|
|
float c; |
| 364 |
|
|
char* curr; |
| 365 |
|
|
char** endp; |
| 366 |
|
|
COLOR* picbuf; |
| 367 |
|
|
|
| 368 |
|
|
if (!(fp = fopen(fn,"r"))) { |
| 369 |
|
|
fprintf(stderr,"pict_read_tt_txt: Can't open file %s\n",fn); |
| 370 |
|
|
return 0; |
| 371 |
|
|
} |
| 372 |
|
|
if (!(line = nextline(fp))) { |
| 373 |
|
|
fprintf(stderr,"pict_read_tt_txt: reading from file failed\n"); |
| 374 |
|
|
return 0; |
| 375 |
|
|
} |
| 376 |
|
|
if (strncmp(line,"float",strlen("float"))) { |
| 377 |
|
|
fprintf(stderr,"pict_read_tt_txt: Unexpected format\n"); |
| 378 |
|
|
return 0; |
| 379 |
|
|
} |
| 380 |
|
|
if (!(line = nextline(fp))) { |
| 381 |
|
|
fprintf(stderr,"pict_read_tt_txt: reading from file failed\n"); |
| 382 |
|
|
return 0; |
| 383 |
|
|
} |
| 384 |
|
|
sscanf(line,"%d %d %d %d",&x,&vsize,&y,&hsize); |
| 385 |
|
|
vsize = vsize - x; |
| 386 |
|
|
hsize = hsize - y; |
| 387 |
|
|
if (!pict_resize(p,vsize,hsize)) |
| 388 |
|
|
return 0; |
| 389 |
|
|
endp = malloc(sizeof(char*)); |
| 390 |
|
|
picbuf = (bufsel == PICT_LUT) ? p->lut : p->pic; |
| 391 |
|
|
for(x=0;x<vsize;x++) { |
| 392 |
|
|
if (!(line = nextline(fp))) { |
| 393 |
|
|
fprintf(stderr,"pict_read_tt_txt: too few lines %d of %d\n",x,vsize); |
| 394 |
|
|
free(endp); |
| 395 |
|
|
return 0; |
| 396 |
|
|
} |
| 397 |
|
|
ch_pct(line); |
| 398 |
|
|
curr = line; |
| 399 |
|
|
for(y=0;y<hsize;y++) { |
| 400 |
|
|
col = pict_colbuf(p,picbuf,x,y); |
| 401 |
|
|
c = strtod(curr,endp); |
| 402 |
|
|
if (channel & PICT_CH1) |
| 403 |
|
|
col[0] = c; |
| 404 |
|
|
if (channel & PICT_CH2) |
| 405 |
|
|
col[1] = c; |
| 406 |
|
|
if (channel & PICT_CH3) |
| 407 |
|
|
col[2] = c; |
| 408 |
|
|
if (curr == (*endp)) { |
| 409 |
|
|
fprintf(stderr,"pict_read_tt_txt: too few values in line %d\n",x); |
| 410 |
|
|
free(endp); |
| 411 |
|
|
return 0; |
| 412 |
|
|
} |
| 413 |
|
|
curr = (*endp); |
| 414 |
|
|
} |
| 415 |
|
|
} |
| 416 |
|
|
free(endp); |
| 417 |
|
|
return 1; |
| 418 |
|
|
} |
| 419 |
|
|
|
| 420 |
|
|
int pict_read_tt_txt(pict* p,char* fn) |
| 421 |
|
|
{ |
| 422 |
|
|
return read_tt_txt(p,PICT_VIEW,PICT_ALLCH,fn); |
| 423 |
|
|
} |
| 424 |
|
|
|
| 425 |
|
|
int pict_setup_lut(pict* p,char* theta_fn,char* phi_fn,char* omega_fn) |
| 426 |
|
|
{ |
| 427 |
|
|
int xs,ys; |
| 428 |
|
|
|
| 429 |
|
|
p->use_lut = 1; |
| 430 |
|
|
if (!read_tt_txt(p,PICT_LUT,PICT_CH1,theta_fn)) { |
| 431 |
|
|
fprintf(stderr,"pict_setup_lut: error reading theta file\n"); |
| 432 |
|
|
p->use_lut = 0; |
| 433 |
|
|
return 0; |
| 434 |
|
|
} |
| 435 |
|
|
xs = pict_get_xsize(p); |
| 436 |
|
|
ys = pict_get_ysize(p); |
| 437 |
|
|
if (!read_tt_txt(p,PICT_LUT,PICT_CH2,phi_fn)) { |
| 438 |
|
|
fprintf(stderr,"pict_setup_lut: error reading phi file\n"); |
| 439 |
|
|
p->use_lut = 0; |
| 440 |
|
|
return 0; |
| 441 |
|
|
} |
| 442 |
|
|
if ((xs != pict_get_xsize(p)) || (ys != pict_get_ysize(p))) { |
| 443 |
|
|
fprintf(stderr,"pict_setup_lut: different resolutions for lut files\n"); |
| 444 |
|
|
p->use_lut = 0; |
| 445 |
|
|
return 0; |
| 446 |
|
|
} |
| 447 |
|
|
if (!read_tt_txt(p,PICT_LUT,PICT_CH3,omega_fn)) { |
| 448 |
|
|
fprintf(stderr,"pict_setup_lut: error reading omega file\n"); |
| 449 |
|
|
p->use_lut = 0; |
| 450 |
|
|
return 0; |
| 451 |
|
|
} |
| 452 |
|
|
if ((xs != pict_get_xsize(p)) || (ys != pict_get_ysize(p))) { |
| 453 |
|
|
fprintf(stderr,"pict_setup_lut: different resolutions for lut files\n"); |
| 454 |
|
|
p->use_lut = 0; |
| 455 |
|
|
return 0; |
| 456 |
|
|
} |
| 457 |
|
|
return 1; |
| 458 |
|
|
} |
| 459 |
|
|
|
| 460 |
|
|
int pict_update_lut(pict* p) |
| 461 |
|
|
{ |
| 462 |
|
|
g3ATrans transf; |
| 463 |
|
|
g3Vec d; |
| 464 |
|
|
g3Vec u; |
| 465 |
|
|
int x,y; |
| 466 |
|
|
|
| 467 |
|
|
d = g3v_fromrad(g3v_create(),p->view.vdir); |
| 468 |
|
|
u = g3v_fromrad(g3v_create(),p->view.vup); |
| 469 |
|
|
g3at_ctrans(transf,d,u); |
| 470 |
|
|
for(x=0;x<p->resol.xr;x++) { |
| 471 |
|
|
for(y=0;y<p->resol.yr;y++) { |
| 472 |
|
|
d[G3S_RAD] = 1.0; |
| 473 |
|
|
d[G3S_THETA] = DEG2RAD(pict_colbuf(p,p->lut,x,y)[0]); |
| 474 |
|
|
d[G3S_PHI] = DEG2RAD(pict_colbuf(p,p->lut,x,y)[1]); |
| 475 |
|
|
g3s_sphtocc(d,d); |
| 476 |
|
|
g3at_apply(transf,d); |
| 477 |
|
|
g3s_cctosph(d,d); |
| 478 |
|
|
pict_colbuf(p,p->lut,x,y)[0] = RAD2DEG(d[G3S_THETA]); |
| 479 |
|
|
pict_colbuf(p,p->lut,x,y)[1] = RAD2DEG(d[G3S_PHI]); |
| 480 |
|
|
} |
| 481 |
|
|
} |
| 482 |
|
|
g3v_free(d); |
| 483 |
|
|
g3v_free(u); |
| 484 |
|
|
return 1; |
| 485 |
|
|
} |
| 486 |
|
|
|
| 487 |
|
|
|
| 488 |
|
|
int pict_write_dir(pict* p,FILE* fp) |
| 489 |
|
|
{ |
| 490 |
|
|
int x,y; |
| 491 |
|
|
FVECT dir,orig; |
| 492 |
|
|
|
| 493 |
|
|
for(y=0;y<p->resol.yr;y++) { |
| 494 |
|
|
for(x=0;x<p->resol.xr;x++) { |
| 495 |
|
|
if (!(pict_get_ray(p,x,y,orig,dir))) { |
| 496 |
|
|
fprintf(fp,"%f %f %f 0.0 0.0 0.0\n",orig[0],orig[1],orig[2]); |
| 497 |
|
|
} else { |
| 498 |
|
|
fprintf(fp,"%f %f %f %f %f %f\n",orig[0],orig[1],orig[2],dir[0],dir[1],dir[2]); |
| 499 |
|
|
} |
| 500 |
|
|
} |
| 501 |
|
|
} |
| 502 |
|
|
return 1; |
| 503 |
|
|
} |
| 504 |
|
|
|
| 505 |
|
|
int pict_read_from_list(pict* p,FILE* fp) |
| 506 |
|
|
{ |
| 507 |
|
|
int x,y,sz; |
| 508 |
|
|
char ln[1024]; |
| 509 |
|
|
double val; |
| 510 |
|
|
|
| 511 |
|
|
sz = 0; |
| 512 |
|
|
for(y=0;y<p->resol.yr;y++) { |
| 513 |
|
|
for(x=0;x<p->resol.xr;x++) { |
| 514 |
|
|
if (!(fgets(ln,1023,fp))) { |
| 515 |
|
|
fprintf(stderr,"pict_read_from_list: Read only %d values\n",sz); |
| 516 |
|
|
return 0; |
| 517 |
|
|
} |
| 518 |
|
|
if (sscanf(ln,"%lg",&val) != 1) { |
| 519 |
|
|
fprintf(stderr,"pict_read_from_list: errline %d\n",sz); |
| 520 |
|
|
} else { |
| 521 |
|
|
sz++; |
| 522 |
|
|
setcolor(pict_get_color(p,x,y),val,val,val); |
| 523 |
|
|
} |
| 524 |
|
|
} |
| 525 |
|
|
} |
| 526 |
|
|
return 1; |
| 527 |
|
|
} |
| 528 |
|
|
|
| 529 |
|
|
int pict_write(pict* p,char* fn) |
| 530 |
|
|
{ |
| 531 |
|
|
FILE* fp; |
| 532 |
|
|
|
| 533 |
|
|
if (!(fp = fopen(fn,"wb"))) { |
| 534 |
|
|
fprintf(stderr,"Can't open %s for writing\n",fn); |
| 535 |
|
|
return 0; |
| 536 |
|
|
} |
| 537 |
|
|
if (!(pict_write_fp(p,fp))) { |
| 538 |
|
|
fclose(fp); |
| 539 |
|
|
return 0; |
| 540 |
|
|
} |
| 541 |
|
|
fclose(fp); |
| 542 |
|
|
return 1; |
| 543 |
|
|
} |
| 544 |
|
|
|
| 545 |
|
|
int pict_write_fp(pict* p,FILE* fp) |
| 546 |
|
|
{ |
| 547 |
|
|
char res[100]; |
| 548 |
|
|
int y,yy; |
| 549 |
|
|
newheader("RADIANCE",fp); |
| 550 |
|
|
fputnow(fp); |
| 551 |
|
|
if (strlen(p->comment) > 0) |
| 552 |
|
|
fputs(p->comment,fp); |
| 553 |
|
|
fputs(VIEWSTR, fp); |
| 554 |
|
|
fprintview(&(p->view), fp); |
| 555 |
|
|
fprintf(fp,"\n"); |
| 556 |
|
|
fputformat(COLRFMT,fp); |
| 557 |
|
|
fprintf(fp,"\n"); |
| 558 |
|
|
|
| 559 |
|
|
resolu2str(res,&(p->resol)); |
| 560 |
|
|
fprintf(fp,"%s",res); |
| 561 |
|
|
for(y=0;y<p->resol.yr;y++) { |
| 562 |
|
|
yy = (p->resol.rt & YDECR) ? p->resol.yr - 1 - y : y; |
| 563 |
|
|
if (fwritescan((p->pic + yy*p->resol.xr),p->resol.xr,fp) < 0) { |
| 564 |
|
|
fprintf(stderr,"writing pic-file failed\n"); |
| 565 |
|
|
return 0; |
| 566 |
|
|
} |
| 567 |
|
|
} |
| 568 |
|
|
return 1; |
| 569 |
|
|
} |
| 570 |
|
|
|
| 571 |
|
|
int pict_get_dir(pict* p,int x,int y,FVECT dir) |
| 572 |
|
|
{ |
| 573 |
|
|
FVECT orig; |
| 574 |
|
|
if (pict_lut_used(p)) { |
| 575 |
|
|
if (!(p->lut)) { |
| 576 |
|
|
fprintf(stderr,"pict_get_dir: no lut defined\n"); |
| 577 |
|
|
return 0; |
| 578 |
|
|
} |
| 579 |
|
|
dir[G3S_RAD] = 1.0; |
| 580 |
|
|
dir[G3S_THETA] = DEG2RAD(pict_colbuf(p,p->lut,x,y)[0]); |
| 581 |
|
|
dir[G3S_PHI] = DEG2RAD(pict_colbuf(p,p->lut,x,y)[1]); |
| 582 |
|
|
g3s_sphtocc(dir,dir); |
| 583 |
|
|
return 1; |
| 584 |
|
|
} |
| 585 |
|
|
return pict_get_ray(p,x,y,orig,dir); |
| 586 |
|
|
} |
| 587 |
|
|
|
| 588 |
|
|
int pict_get_dir_ic(pict* p,double x,double y,FVECT dir) |
| 589 |
|
|
{ |
| 590 |
|
|
FVECT orig; |
| 591 |
|
|
if (pict_lut_used(p)) { |
| 592 |
|
|
int res[2]; |
| 593 |
|
|
loc2pix(res,&(p->resol),x,y); |
| 594 |
|
|
return pict_get_dir(p,res[0],res[1],dir); |
| 595 |
|
|
} |
| 596 |
|
|
return pict_get_ray_ic(p,x,y,orig,dir); |
| 597 |
|
|
} |
| 598 |
|
|
|
| 599 |
|
|
int pict_get_ray(pict* p,int x,int y,FVECT orig,FVECT dir) |
| 600 |
|
|
{ |
| 601 |
|
|
RREAL pc[2]; |
| 602 |
|
|
|
| 603 |
|
|
pix2loc(pc,&(p->resol),x,p->resol.yr - 1 - y); |
| 604 |
|
|
if (pict_lut_used(p)) { |
| 605 |
|
|
if (viewray(orig,dir,&(p->view),pc[0],pc[1]) <= 0) |
| 606 |
|
|
return 0; |
| 607 |
|
|
return pict_get_dir(p,x,y,dir); |
| 608 |
|
|
} |
| 609 |
|
|
return pict_get_ray_ic(p,pc[0],pc[1],orig,dir); |
| 610 |
|
|
} |
| 611 |
|
|
|
| 612 |
|
|
int pict_get_ray_ic(pict* p,double x,double y,FVECT orig,FVECT dir) |
| 613 |
|
|
{ |
| 614 |
|
|
if (pict_lut_used(p)) { |
| 615 |
|
|
int res[2]; |
| 616 |
|
|
loc2pix(res,&(p->resol),x,y); |
| 617 |
|
|
return pict_get_ray(p,res[0],res[1],orig,dir); |
| 618 |
|
|
} |
| 619 |
|
|
x = (x + (0.5*p->pjitter)*(0.5-gb_random())/p->resol.xr); |
| 620 |
|
|
y = (y + (0.5*p->pjitter)*(0.5-gb_random())/p->resol.yr); |
| 621 |
|
|
if (viewray(orig,dir,&(p->view),x,y) < 0) |
| 622 |
|
|
return 0; |
| 623 |
|
|
return 1; |
| 624 |
|
|
} |
| 625 |
|
|
|
| 626 |
|
|
|
| 627 |
|
|
static int splane_normal(pict* p,double e1x,double e1y, |
| 628 |
|
|
double e2x,double e2y,FVECT n) |
| 629 |
|
|
{ |
| 630 |
|
|
FVECT e1 = {0,0,0}; |
| 631 |
|
|
FVECT e2 = {0,0,0}; |
| 632 |
|
|
|
| 633 |
|
|
pict_get_dir_ic(p,e1x,e1y,e1); |
| 634 |
|
|
pict_get_dir_ic(p,e2x,e2y,n); |
| 635 |
|
|
VSUB(e2,n,e1); |
| 636 |
|
|
VCROSS(n,e1,e2); |
| 637 |
|
|
if (normalize(n) == 0.0) { |
| 638 |
|
|
return 0; |
| 639 |
|
|
} |
| 640 |
|
|
return 1; |
| 641 |
|
|
} |
| 642 |
|
|
|
| 643 |
|
|
double pict_get_sangle(pict* p,int x,int y) |
| 644 |
|
|
{ |
| 645 |
|
|
int i; |
| 646 |
|
|
double ang,a,hpx,hpy; |
| 647 |
|
|
RREAL pc[2]; |
| 648 |
|
|
FVECT n[4] = {{0,0,0},{0,0,0},{0,0,0},{0,0,0}}; |
| 649 |
|
|
|
| 650 |
|
|
if (pict_lut_used(p)) { |
| 651 |
|
|
return pict_colbuf(p,p->lut,x,y)[2]; |
| 652 |
|
|
} |
| 653 |
|
|
pix2loc(pc,&(p->resol),x,y); |
| 654 |
|
|
hpx = (0.5/p->resol.xr); |
| 655 |
|
|
hpy = (0.5/p->resol.yr); |
| 656 |
|
|
pc[0] -= hpx; |
| 657 |
|
|
pc[1] -= hpy; |
| 658 |
|
|
|
| 659 |
|
|
i = splane_normal(p,pc[0],pc[1],pc[0],(pc[1]+2.0*hpy),n[0]); |
| 660 |
|
|
i &= splane_normal(p,pc[0],(pc[1]+2.0*hpy),(pc[0]+2.0*hpx),(pc[1]+2.0*hpy),n[1]); |
| 661 |
|
|
i &= splane_normal(p,(pc[0]+2.0*hpx),(pc[1]+2.0*hpy),(pc[0]+2.0*hpx),pc[1],n[2]); |
| 662 |
|
|
i &= splane_normal(p,(pc[0]+2.0*hpx),pc[1],pc[0],pc[1],n[3]); |
| 663 |
|
|
|
| 664 |
|
|
if (!i) { |
| 665 |
|
|
return 0; |
| 666 |
|
|
} |
| 667 |
|
|
ang = 0; |
| 668 |
|
|
for(i=0;i<4;i++) { |
| 669 |
|
|
a = DOT(n[i],n[(i+1)%4]); |
| 670 |
|
|
a = acos(a); |
| 671 |
|
|
a = fabs(a); |
| 672 |
|
|
ang += M_PI - a; |
| 673 |
|
|
} |
| 674 |
|
|
ang = ang - 2.0*M_PI; |
| 675 |
|
|
if ((ang > (2.0*M_PI)) || ang < 0) { |
| 676 |
|
|
fprintf(stderr,"Normal error in pict_get_sangle %f %d %d\n",ang,x,y); |
| 677 |
|
|
return -1.0; |
| 678 |
|
|
} |
| 679 |
|
|
return ang; |
| 680 |
|
|
} |
| 681 |
|
|
|
| 682 |
|
|
int pict_locate(pict* p,FVECT pt,int* x,int* y) |
| 683 |
|
|
{ |
| 684 |
|
|
FVECT pp; |
| 685 |
|
|
int res[2]; |
| 686 |
|
|
|
| 687 |
|
|
if (pict_lut_used(p)) { |
| 688 |
|
|
fprintf(stderr,"pict_locate: Not implemented for lut mode\n"); |
| 689 |
|
|
return 0; |
| 690 |
|
|
} |
| 691 |
|
|
|
| 692 |
greg |
2.7 |
if (viewloc(pp,&(p->view),pt) != VL_GOOD) |
| 693 |
greg |
2.1 |
return 0; |
| 694 |
|
|
loc2pix(res,&(p->resol),pp[0],pp[1]); |
| 695 |
|
|
*x = res[0]; |
| 696 |
|
|
*y = res[1]; |
| 697 |
|
|
return 1; |
| 698 |
|
|
} |
| 699 |
|
|
|
| 700 |
|
|
int pict_get_sigma(pict* p,double x,double y,FVECT vdir,FVECT vup,double* s) |
| 701 |
|
|
{ |
| 702 |
|
|
FVECT pvdir; |
| 703 |
|
|
|
| 704 |
|
|
if (!pict_get_dir(p,x,y,pvdir)) |
| 705 |
|
|
return 0; |
| 706 |
|
|
if (normalize(vdir) == 0.0) { |
| 707 |
|
|
fprintf(stderr,"get_sigma: view dir is zero\n"); |
| 708 |
|
|
return 0; |
| 709 |
|
|
} |
| 710 |
|
|
if (normalize(vup) == 0.0) { |
| 711 |
|
|
fprintf(stderr,"get_sigma: view up is zero\n"); |
| 712 |
|
|
return 0; |
| 713 |
|
|
} |
| 714 |
|
|
*s = acos(DOT(vdir,pvdir)); |
| 715 |
|
|
return 1; |
| 716 |
|
|
} |
| 717 |
|
|
|
| 718 |
|
|
int pict_get_tau(pict* p,double x,double y,FVECT vdir,FVECT vup,double* t) |
| 719 |
|
|
{ |
| 720 |
|
|
FVECT hv,pvdir; |
| 721 |
|
|
double s; |
| 722 |
|
|
int i; |
| 723 |
|
|
if (!pict_get_sigma(p,x,y,vdir,vup,&s)) |
| 724 |
|
|
return 0; |
| 725 |
|
|
if (!pict_get_dir(p,x,y,pvdir)) |
| 726 |
|
|
return 0; |
| 727 |
|
|
VCOPY(hv,pvdir); |
| 728 |
|
|
normalize(hv); |
| 729 |
|
|
for(i=0;i<3;i++){ |
| 730 |
|
|
hv[i] /= cos(s); |
| 731 |
|
|
} |
| 732 |
|
|
VSUB(hv,hv,vdir); |
| 733 |
|
|
normalize(hv); |
| 734 |
|
|
*t = acos(fdot(vup,hv)); |
| 735 |
|
|
return 1; |
| 736 |
|
|
} |
| 737 |
|
|
|
| 738 |
|
|
static int ortho_coord(FVECT vdir,FVECT vup,FVECT vv,FVECT hv) |
| 739 |
|
|
{ |
| 740 |
|
|
if (normalize(vdir) == 0.0) { |
| 741 |
|
|
fprintf(stderr,"ortho_coord: view direction is zero\n"); |
| 742 |
|
|
return 0; |
| 743 |
|
|
} |
| 744 |
|
|
if (normalize(vup) == 0.0) { |
| 745 |
|
|
fprintf(stderr,"ortho_coord: view direction is zero\n"); |
| 746 |
|
|
return 0; |
| 747 |
|
|
} |
| 748 |
|
|
fcross(hv,vdir,vup); |
| 749 |
|
|
fcross(vv,vdir,hv); |
| 750 |
|
|
return 1; |
| 751 |
|
|
} |
| 752 |
|
|
|
| 753 |
|
|
int pict_get_vangle(pict* p,double x,double y,FVECT vdir,FVECT vup,double* a) |
| 754 |
|
|
{ |
| 755 |
|
|
FVECT hv,vv,pvdir; |
| 756 |
|
|
if (!ortho_coord(vdir,vup,vv,hv)) { |
| 757 |
|
|
return 0; |
| 758 |
|
|
} |
| 759 |
|
|
if (!pict_get_dir(p,x,y,pvdir)) |
| 760 |
|
|
return 0; |
| 761 |
|
|
*a = acos(fdot(vv,pvdir)) - (M_PI/2.0) ; |
| 762 |
|
|
return 1; |
| 763 |
|
|
} |
| 764 |
|
|
|
| 765 |
|
|
int pict_get_hangle(pict* p,double x,double y,FVECT vdir,FVECT vup,double* a) |
| 766 |
|
|
{ |
| 767 |
|
|
FVECT hv,vv,pvdir; |
| 768 |
|
|
if (!ortho_coord(vdir,vup,vv,hv)) { |
| 769 |
|
|
return 0; |
| 770 |
|
|
} |
| 771 |
|
|
if (!pict_get_dir(p,x,y,pvdir)) { |
| 772 |
|
|
return 0; |
| 773 |
|
|
} |
| 774 |
|
|
*a = ((M_PI/2.0) - acos(fdot(hv,pvdir))); |
| 775 |
|
|
return 1; |
| 776 |
|
|
} |
| 777 |
|
|
|
| 778 |
|
|
int pict_setorigin(pict* p,FVECT orig) |
| 779 |
|
|
{ |
| 780 |
|
|
VCOPY(p->view.vp,orig); |
| 781 |
|
|
return pict_update_view(p); |
| 782 |
|
|
} |
| 783 |
|
|
|
| 784 |
|
|
int pict_setdir(pict* p,FVECT dir) |
| 785 |
|
|
{ |
| 786 |
|
|
VCOPY(p->view.vdir,dir); |
| 787 |
|
|
return pict_update_view(p); |
| 788 |
|
|
} |
| 789 |
|
|
|
| 790 |
|
|
int pict_sethview(pict* p,double ha) |
| 791 |
|
|
{ |
| 792 |
|
|
p->view.horiz = ha; |
| 793 |
|
|
return pict_update_view(p); |
| 794 |
|
|
} |
| 795 |
|
|
|
| 796 |
|
|
int pict_setvview(pict* p,double va) |
| 797 |
|
|
{ |
| 798 |
|
|
p->view.vert = va; |
| 799 |
|
|
return pict_update_view(p); |
| 800 |
|
|
} |
| 801 |
|
|
|
| 802 |
|
|
int pict_setvtype(pict* p,char vt) |
| 803 |
|
|
{ |
| 804 |
|
|
p->view.type = vt; |
| 805 |
|
|
return pict_update_view(p); |
| 806 |
|
|
} |
| 807 |
|
|
|
| 808 |
|
|
#ifdef TEST_PICTTOOL |
| 809 |
|
|
|
| 810 |
|
|
char* progname = "pictool"; |
| 811 |
|
|
|
| 812 |
|
|
int main(int argc,char** argv) |
| 813 |
|
|
{ |
| 814 |
|
|
pict* p = pict_create(); |
| 815 |
|
|
FVECT dir = {0,-1,0}; |
| 816 |
|
|
FVECT vdir,edir; |
| 817 |
|
|
FVECT up = {0,0,1}; |
| 818 |
|
|
int x,y,i; |
| 819 |
|
|
double sang,h,v; |
| 820 |
|
|
|
| 821 |
|
|
if (argc < 2) { |
| 822 |
|
|
fprintf(stderr,"usage: %s <pic-file>\n",argv[0]); |
| 823 |
|
|
return EXIT_FAILURE; |
| 824 |
|
|
} |
| 825 |
|
|
fprintf(stderr,"readdd\n"); |
| 826 |
|
|
pict_read(p,argv[1]); |
| 827 |
|
|
pict_set_comment(p,"pictool test output\n"); |
| 828 |
|
|
/* |
| 829 |
|
|
pict_get_dir(p,100,100,edir); // YDECR |
| 830 |
|
|
for(y=0;y<p->resol.yr;y++) { |
| 831 |
|
|
for(x=0;x<p->resol.xr;x++) { |
| 832 |
|
|
pict_get_hangle(p,x,y,dir,up,&h); |
| 833 |
|
|
pict_get_vangle(p,x,y,dir,up,&v); |
| 834 |
|
|
pict_get_dir(p,x,y,vdir); |
| 835 |
|
|
if (acos(DOT(vdir,edir)) < DEG2RAD(3)) |
| 836 |
|
|
setcolor(pict_get_color(p,x,y),h+M_PI/2,v+M_PI/2,1); |
| 837 |
|
|
else |
| 838 |
|
|
setcolor(pict_get_color(p,x,y),h+M_PI/2,v+M_PI/2,0); |
| 839 |
|
|
} |
| 840 |
|
|
} |
| 841 |
|
|
*/ |
| 842 |
|
|
printf("resolution: %dx%d\n",pict_get_xsize(p),pict_get_ysize(p)); |
| 843 |
|
|
sang = 0.0; |
| 844 |
|
|
|
| 845 |
|
|
pict_new_gli(p); |
| 846 |
|
|
for(x=0;x<pict_get_xsize(p);x++) |
| 847 |
|
|
for(y=0;y<pict_get_ysize(p);y++) { |
| 848 |
|
|
pict_get_dir(p,x,y,dir); |
| 849 |
|
|
if (DOT(dir,p->view.vdir) >= 0.0) { |
| 850 |
|
|
pict_get_av_omega(p,0) += pict_get_omega(p,x,y); |
| 851 |
|
|
} |
| 852 |
|
|
sang = pict_get_sangle(p,x,y); |
| 853 |
|
|
for(i=0;i<3;i++) |
| 854 |
|
|
if (sang <= 0 && pict_is_validpixel(p,x,y)) { |
| 855 |
|
|
pict_get_color(p,x,y)[i] = 1; |
| 856 |
|
|
} else { |
| 857 |
|
|
pict_get_color(p,x,y)[i] =0; |
| 858 |
|
|
} |
| 859 |
|
|
} |
| 860 |
|
|
printf("s %f\n",pict_get_av_omega(p,0)); |
| 861 |
|
|
pict_write(p,"test.pic"); |
| 862 |
|
|
while(1) { |
| 863 |
|
|
printf("pos\n"); |
| 864 |
|
|
if (scanf("%d %d",&x,&y) != 2) |
| 865 |
|
|
continue; |
| 866 |
|
|
pict_get_dir(p,x,y,dir); |
| 867 |
|
|
printf("dir: \t\t %f %f %f\n",dir[0],dir[1],dir[2]); |
| 868 |
|
|
printf("solid angle: \t %f \n",pict_get_sangle(p,x,y)); |
| 869 |
|
|
} |
| 870 |
|
|
return EXIT_SUCCESS; |
| 871 |
|
|
} |
| 872 |
|
|
|
| 873 |
|
|
#endif |
