10 |
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|
11 |
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#include "standard.h" |
12 |
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#include "rhd_qtree.h" |
13 |
+ |
/* quantity of leaves to free at a time */ |
14 |
+ |
#ifndef LFREEPCT |
15 |
+ |
#define LFREEPCT 25 |
16 |
+ |
#endif |
17 |
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|
18 |
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RTREE qtrunk; /* our quadtree trunk */ |
19 |
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double qtDepthEps = .02; /* epsilon to compare depths (z fraction) */ |
20 |
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int qtMinNodesiz = 2; /* minimum node dimension (pixels) */ |
21 |
+ |
struct rleaves qtL; /* our pile of leaves */ |
22 |
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|
18 |
– |
static RLEAF *leafpile; /* our collection of leaf values */ |
19 |
– |
static int nleaves; /* count of leaves in our pile */ |
20 |
– |
static int bleaf, tleaf; /* bottom and top (next) leaf index (ring) */ |
21 |
– |
|
23 |
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#define TBUNDLESIZ 409 /* number of twigs in a bundle */ |
24 |
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|
25 |
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static RTREE **twigbundle; /* free twig blocks (NULL term.) */ |
26 |
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static int nexttwig; /* next free twig */ |
27 |
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|
27 |
– |
static RTREE emptytree; /* empty tree for test below */ |
28 |
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|
29 |
– |
#define is_stump(t) (!bcmp((char *)(t), (char *)&emptytree, sizeof(RTREE))) |
30 |
– |
|
31 |
– |
|
29 |
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static RTREE * |
30 |
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newtwig() /* allocate a twig */ |
31 |
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{ |
60 |
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{ |
61 |
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register int i; |
62 |
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|
63 |
< |
tmClearHisto(); |
67 |
< |
bzero((char *)&qtrunk, sizeof(RTREE)); |
68 |
< |
nexttwig = 0; |
63 |
> |
qtrunk.flgs = CH_ANY; /* chop down tree */ |
64 |
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if (twigbundle == NULL) |
65 |
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return; |
66 |
+ |
i = (TBUNDLESIZ-1+nexttwig)/TBUNDLESIZ; |
67 |
+ |
nexttwig = 0; |
68 |
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if (!really) { /* just clear allocated blocks */ |
69 |
< |
for (i = 0; twigbundle[i] != NULL; i++) |
69 |
> |
while (i--) |
70 |
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bzero((char *)twigbundle[i], TBUNDLESIZ*sizeof(RTREE)); |
71 |
|
return; |
72 |
|
} |
78 |
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} |
79 |
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|
80 |
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|
81 |
< |
static RLEAF * |
81 |
> |
static int |
82 |
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newleaf() /* allocate a leaf from our pile */ |
83 |
|
{ |
84 |
< |
RLEAF *lp; |
84 |
> |
int li; |
85 |
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|
86 |
< |
lp = leafpile + tleaf++; |
87 |
< |
if (tleaf >= nleaves) /* get next leaf in ring */ |
88 |
< |
tleaf = 0; |
89 |
< |
if (tleaf == bleaf) /* need to shake some free */ |
86 |
> |
li = qtL.tl++; |
87 |
> |
if (qtL.tl >= qtL.nl) /* get next leaf in ring */ |
88 |
> |
qtL.tl = 0; |
89 |
> |
if (qtL.tl == qtL.bl) /* need to shake some free */ |
90 |
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qtCompost(LFREEPCT); |
91 |
< |
return(lp); |
91 |
> |
return(li); |
92 |
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} |
93 |
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|
94 |
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|
95 |
+ |
#define LEAFSIZ (3*sizeof(float)+sizeof(TMbright)+6*sizeof(BYTE)) |
96 |
+ |
|
97 |
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int |
98 |
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qtAllocLeaves(n) /* allocate space for n leaves */ |
99 |
< |
int n; |
99 |
> |
register int n; |
100 |
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{ |
101 |
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unsigned nbytes; |
102 |
|
register unsigned i; |
104 |
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qtFreeTree(0); /* make sure tree is empty */ |
105 |
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if (n <= 0) |
106 |
|
return(0); |
107 |
< |
if (nleaves >= n) |
108 |
< |
return(nleaves); |
109 |
< |
else if (nleaves > 0) |
110 |
< |
free((char *)leafpile); |
107 |
> |
if (qtL.nl >= n) |
108 |
> |
return(qtL.nl); |
109 |
> |
else if (qtL.nl > 0) |
110 |
> |
free(qtL.base); |
111 |
|
/* round space up to nearest power of 2 */ |
112 |
< |
nbytes = n*sizeof(RLEAF) + 8; |
112 |
> |
nbytes = n*LEAFSIZ + 8; |
113 |
|
for (i = 1024; nbytes > i; i <<= 1) |
114 |
|
; |
115 |
< |
n = (i - 8) / sizeof(RLEAF); |
116 |
< |
leafpile = (RLEAF *)malloc(n*sizeof(RLEAF)); |
117 |
< |
if (leafpile == NULL) |
118 |
< |
return(-1); |
119 |
< |
nleaves = n; |
120 |
< |
bleaf = tleaf = 0; |
121 |
< |
return(nleaves); |
115 |
> |
n = (i - 8) / LEAFSIZ; /* should we make sure n is even? */ |
116 |
> |
qtL.base = (char *)malloc(n*LEAFSIZ); |
117 |
> |
if (qtL.base == NULL) |
118 |
> |
return(0); |
119 |
> |
/* assign larger alignment types earlier */ |
120 |
> |
qtL.wp = (float (*)[3])qtL.base; |
121 |
> |
qtL.brt = (TMbright *)(qtL.wp + n); |
122 |
> |
qtL.chr = (BYTE (*)[3])(qtL.brt + n); |
123 |
> |
qtL.rgb = (BYTE (*)[3])(qtL.chr + n); |
124 |
> |
qtL.nl = n; |
125 |
> |
qtL.tml = qtL.bl = qtL.tl = 0; |
126 |
> |
return(n); |
127 |
|
} |
128 |
|
|
129 |
+ |
#undef LEAFSIZ |
130 |
|
|
131 |
+ |
|
132 |
|
qtFreeLeaves() /* free our allocated leaves and twigs */ |
133 |
|
{ |
134 |
|
qtFreeTree(1); /* free tree also */ |
135 |
< |
if (nleaves <= 0) |
135 |
> |
if (qtL.nl <= 0) |
136 |
|
return; |
137 |
< |
free((char *)leafpile); |
138 |
< |
leafpile = NULL; |
139 |
< |
nleaves = 0; |
137 |
> |
free(qtL.base); |
138 |
> |
qtL.base = NULL; |
139 |
> |
qtL.nl = 0; |
140 |
|
} |
141 |
|
|
142 |
|
|
147 |
|
register int i, li; |
148 |
|
|
149 |
|
for (i = 0; i < 4; i++) |
150 |
< |
if (tp->flgs & BRF(i)) |
150 |
> |
if (tp->flgs & BRF(i)) { |
151 |
|
shaketree(tp->k[i].b); |
152 |
< |
else if (tp->k[i].l != NULL) { |
153 |
< |
li = tp->k[i].l - leafpile; |
154 |
< |
if (bleaf < tleaf ? (li < bleaf || li >= tleaf) : |
155 |
< |
(li < bleaf && li >= tleaf)) { |
156 |
< |
tmAddHisto(&tp->k[i].l->brt, 1, -1); |
157 |
< |
tp->k[i].l = NULL; |
158 |
< |
} |
152 |
> |
if (is_stump(tp->k[i].b)) |
153 |
> |
tp->flgs &= ~BRF(i); |
154 |
> |
} else if (tp->flgs & LFF(i)) { |
155 |
> |
li = tp->k[i].li; |
156 |
> |
if (qtL.bl < qtL.tl ? |
157 |
> |
(li < qtL.bl || li >= qtL.tl) : |
158 |
> |
(li < qtL.bl && li >= qtL.tl)) |
159 |
> |
tp->flgs &= ~LFF(i); |
160 |
|
} |
161 |
|
} |
162 |
|
|
165 |
|
qtCompost(pct) /* free up some leaves */ |
166 |
|
int pct; |
167 |
|
{ |
168 |
< |
int nused, nclear; |
168 |
> |
int nused, nclear, nmapped; |
169 |
|
|
163 |
– |
if (is_stump(&qtrunk)) |
164 |
– |
return(0); |
170 |
|
/* figure out how many leaves to clear */ |
171 |
< |
nclear = nleaves * pct / 100; |
172 |
< |
nused = tleaf > bleaf ? tleaf-bleaf : tleaf+nleaves-bleaf; |
173 |
< |
nclear -= nleaves - nused; /* less what's already free */ |
171 |
> |
nclear = qtL.nl * pct / 100; |
172 |
> |
nused = qtL.tl - qtL.bl; |
173 |
> |
if (nused <= 0) nused += qtL.nl; |
174 |
> |
nclear -= qtL.nl - nused; |
175 |
|
if (nclear <= 0) |
176 |
|
return(0); |
177 |
|
if (nclear >= nused) { /* clear them all */ |
178 |
|
qtFreeTree(0); |
179 |
< |
bleaf = tleaf = 0; |
179 |
> |
qtL.tml = qtL.bl = qtL.tl = 0; |
180 |
|
return(nused); |
181 |
|
} |
182 |
|
/* else clear leaves from bottom */ |
183 |
< |
bleaf += nclear; |
184 |
< |
if (bleaf >= nleaves) bleaf -= nleaves; |
183 |
> |
nmapped = qtL.tml - qtL.bl; |
184 |
> |
if (nmapped < 0) nmapped += qtL.nl; |
185 |
> |
qtL.bl += nclear; |
186 |
> |
if (qtL.bl >= qtL.nl) qtL.bl -= qtL.nl; |
187 |
> |
if (nmapped <= nclear) qtL.tml = qtL.bl; |
188 |
|
shaketree(&qtrunk); |
189 |
|
return(nclear); |
190 |
|
} |
191 |
|
|
192 |
|
|
193 |
< |
RLEAF * |
193 |
> |
int |
194 |
|
qtFindLeaf(x, y) /* find closest leaf to (x,y) */ |
195 |
|
int x, y; |
196 |
|
{ |
197 |
|
register RTREE *tp = &qtrunk; |
198 |
< |
RLEAF *lp = NULL; |
198 |
> |
int li = -1; |
199 |
|
int x0=0, y0=0, x1=odev.hres, y1=odev.vres; |
200 |
|
int mx, my; |
201 |
|
register int q; |
202 |
|
/* check limits */ |
203 |
|
if (x < 0 || x >= odev.hres || y < 0 || y >= odev.vres) |
204 |
< |
return(NULL); |
204 |
> |
return(-1); |
205 |
|
/* find nearby leaf in our tree */ |
206 |
|
for ( ; ; ) { |
207 |
|
for (q = 0; q < 4; q++) /* find any leaf this level */ |
208 |
< |
if (!(tp->flgs & BRF(q)) && tp->k[q].l != NULL) { |
209 |
< |
lp = tp->k[q].l; |
208 |
> |
if (tp->flgs & LFF(q)) { |
209 |
> |
li = tp->k[q].li; |
210 |
|
break; |
211 |
|
} |
212 |
|
q = 0; /* which quadrant are we? */ |
220 |
|
tp = tp->k[q].b; |
221 |
|
continue; |
222 |
|
} |
223 |
< |
if (tp->k[q].l != NULL) /* good shot! */ |
224 |
< |
return(tp->k[q].l); |
225 |
< |
return(lp); /* else return what we have */ |
223 |
> |
if (tp->flgs & LFF(q)) /* good shot! */ |
224 |
> |
return(tp->k[q].li); |
225 |
> |
return(li); /* else return what we have */ |
226 |
|
} |
227 |
|
} |
228 |
|
|
229 |
|
|
230 |
|
static |
231 |
< |
addleaf(lp) /* add a leaf to our tree */ |
232 |
< |
RLEAF *lp; |
231 |
> |
addleaf(li) /* add a leaf to our tree */ |
232 |
> |
int li; |
233 |
|
{ |
234 |
|
register RTREE *tp = &qtrunk; |
235 |
|
int x0=0, y0=0, x1=odev.hres, y1=odev.vres; |
236 |
< |
RLEAF *lo = NULL; |
236 |
> |
int lo = -1; |
237 |
|
int x, y, mx, my; |
238 |
|
double z; |
239 |
|
FVECT ip, wp; |
240 |
|
register int q; |
241 |
|
/* compute leaf location */ |
242 |
< |
VCOPY(wp, lp->wp); |
242 |
> |
VCOPY(wp, qtL.wp[li]); |
243 |
|
viewloc(ip, &odev.v, wp); |
244 |
|
if (ip[2] <= 0. || ip[0] < 0. || ip[0] >= 1. |
245 |
|
|| ip[1] < 0. || ip[1] >= 1.) |
261 |
|
tp = tp->k[q].b; |
262 |
|
continue; |
263 |
|
} |
264 |
< |
if (tp->k[q].l == NULL) { /* found stem for leaf */ |
265 |
< |
tp->k[q].l = lp; |
266 |
< |
tp->flgs |= CHF(q); |
264 |
> |
if (!(tp->flgs & LFF(q))) { /* found stem for leaf */ |
265 |
> |
tp->k[q].li = li; |
266 |
> |
tp->flgs |= CHLFF(q); |
267 |
|
break; |
268 |
|
} |
269 |
|
/* check existing leaf */ |
270 |
< |
if (lo != tp->k[q].l) { |
271 |
< |
lo = tp->k[q].l; |
272 |
< |
VCOPY(wp, lo->wp); |
270 |
> |
if (lo != tp->k[q].li) { |
271 |
> |
lo = tp->k[q].li; |
272 |
> |
VCOPY(wp, qtL.wp[lo]); |
273 |
|
viewloc(ip, &odev.v, wp); |
274 |
|
} |
275 |
|
/* is node minimum size? */ |
276 |
|
if (x1-x0 <= qtMinNodesiz || y1-y0 <= qtMinNodesiz) { |
277 |
|
if (z > (1.-qtDepthEps)*ip[2]) /* who is closer? */ |
278 |
|
return; /* old one is */ |
279 |
< |
tp->k[q].l = lp; /* new one is */ |
279 |
> |
tp->k[q].li = li; /* new one is */ |
280 |
|
tp->flgs |= CHF(q); |
272 |
– |
tmAddHisto(&lo->brt, 1, -1); /* drop old one */ |
281 |
|
break; |
282 |
|
} |
283 |
< |
tp->flgs |= CHBRF(q); /* else grow tree */ |
283 |
> |
tp->flgs &= ~LFF(q); /* else grow tree */ |
284 |
> |
tp->flgs |= CHBRF(q); |
285 |
|
tp = tp->k[q].b = newtwig(); |
277 |
– |
tp->flgs |= CH_ANY; /* all new */ |
286 |
|
q = 0; /* old leaf -> new branch */ |
287 |
|
mx = ip[0] * odev.hres; |
288 |
|
my = ip[1] * odev.vres; |
289 |
|
if (mx >= (x0 + x1) >> 1) q |= 01; |
290 |
|
if (my >= (y0 + y1) >> 1) q |= 02; |
291 |
< |
tp->k[q].l = lo; |
291 |
> |
tp->k[q].li = lo; |
292 |
> |
tp->flgs |= LFF(q)|CH_ANY; /* all new */ |
293 |
|
} |
285 |
– |
tmAddHisto(&lp->brt, 1, 1); /* add leaf to histogram */ |
294 |
|
} |
295 |
|
|
296 |
|
|
297 |
< |
dev_value(c, p) /* add a pixel value to our output queue */ |
297 |
> |
dev_value(c, p) /* add a pixel value to our quadtree */ |
298 |
|
COLR c; |
299 |
|
FVECT p; |
300 |
|
{ |
301 |
< |
register RLEAF *lp; |
301 |
> |
register int li; |
302 |
|
|
303 |
< |
lp = newleaf(); |
304 |
< |
VCOPY(lp->wp, p); |
305 |
< |
tmCvColrs(&lp->brt, lp->chr, c, 1); |
306 |
< |
addleaf(lp); |
303 |
> |
li = newleaf(); |
304 |
> |
VCOPY(qtL.wp[li], p); |
305 |
> |
tmCvColrs(&qtL.brt[li], qtL.chr[li], c, 1); |
306 |
> |
addleaf(li); |
307 |
|
} |
308 |
|
|
309 |
|
|
310 |
|
qtReplant() /* replant our tree using new view */ |
311 |
|
{ |
312 |
|
register int i; |
313 |
< |
|
314 |
< |
if (bleaf == tleaf) /* anything to replant? */ |
313 |
> |
/* anything to replant? */ |
314 |
> |
if (qtL.bl == qtL.tl) |
315 |
|
return; |
316 |
< |
qtFreeTree(0); /* blow the tree away */ |
317 |
< |
/* now rebuild it */ |
318 |
< |
for (i = bleaf; i != tleaf; ) { |
319 |
< |
addleaf(leafpile+i); |
320 |
< |
if (++i >= nleaves) i = 0; |
316 |
> |
qtFreeTree(0); /* blow the old tree away */ |
317 |
> |
/* regrow it in new place */ |
318 |
> |
for (i = qtL.bl; i != qtL.tl; ) { |
319 |
> |
addleaf(i); |
320 |
> |
if (++i >= qtL.nl) i = 0; |
321 |
|
} |
314 |
– |
tmComputeMapping(0., 0., 0.); /* update the display */ |
315 |
– |
qtUpdate(); |
322 |
|
} |
323 |
|
|
324 |
|
|
325 |
< |
static |
326 |
< |
redraw(ca, tp, x0, y0, x1, y1, l) /* redraw portion of a tree */ |
321 |
< |
BYTE ca[3]; /* returned average color */ |
322 |
< |
register RTREE *tp; |
323 |
< |
int x0, y0, x1, y1; |
324 |
< |
int l[2][2]; |
325 |
> |
qtMapLeaves(redo) /* map our leaves to RGB */ |
326 |
> |
int redo; |
327 |
|
{ |
328 |
< |
int csm[3], nc; |
329 |
< |
BYTE rgb[3]; |
330 |
< |
int quads = CH_ANY; |
331 |
< |
int mx, my; |
332 |
< |
register int i; |
333 |
< |
/* compute midpoint */ |
334 |
< |
mx = (x0 + x1) >> 1; |
335 |
< |
my = (y0 + y1) >> 1; |
336 |
< |
/* see what to do */ |
337 |
< |
if (l[0][0] >= mx) |
338 |
< |
quads &= ~(CHF(2)|CHF(0)); |
339 |
< |
else if (l[0][1] <= mx) |
338 |
< |
quads &= ~(CHF(3)|CHF(1)); |
339 |
< |
if (l[1][0] >= my) |
340 |
< |
quads &= ~(CHF(1)|CHF(0)); |
341 |
< |
else if (l[1][1] <= my) |
342 |
< |
quads &= ~(CHF(3)|CHF(2)); |
343 |
< |
tp->flgs &= ~quads; /* mark them done */ |
344 |
< |
csm[0] = csm[1] = csm[2] = nc = 0; |
345 |
< |
/* do leaves first */ |
346 |
< |
for (i = 0; i < 4; i++) |
347 |
< |
if (quads & CHF(i) && !(tp->flgs & BRF(i)) && |
348 |
< |
tp->k[i].l != NULL) { |
349 |
< |
tmMapPixels(rgb, &tp->k[i].l->brt, tp->k[i].l->chr, 1); |
350 |
< |
dev_paintr(rgb, i&01 ? mx : x0, i&02 ? my : y0, |
351 |
< |
i&01 ? x1 : mx, i&02 ? y1 : my); |
352 |
< |
csm[0] += rgb[0]; csm[1] += rgb[1]; csm[2] += rgb[2]; |
353 |
< |
nc++; |
354 |
< |
quads &= ~CHF(i); |
355 |
< |
} |
356 |
< |
/* now do branches */ |
357 |
< |
for (i = 0; i < 4; i++) |
358 |
< |
if (quads & CHF(i) && tp->flgs & BRF(i)) { |
359 |
< |
redraw(rgb, tp->k[i].b, i&01 ? mx : x0, i&02 ? my : y0, |
360 |
< |
i&01 ? x1 : mx, i&02 ? y1 : my, l); |
361 |
< |
csm[0] += rgb[0]; csm[1] += rgb[1]; csm[2] += rgb[2]; |
362 |
< |
nc++; |
363 |
< |
quads &= ~CHF(i); |
364 |
< |
} |
365 |
< |
if (nc > 1) { |
366 |
< |
ca[0] = csm[0]/nc; ca[1] = csm[1]/nc; ca[2] = csm[2]/nc; |
328 |
> |
int aorg, alen, borg, blen; |
329 |
> |
/* recompute mapping? */ |
330 |
> |
if (redo) |
331 |
> |
qtL.tml = qtL.bl; |
332 |
> |
/* already done? */ |
333 |
> |
if (qtL.tml == qtL.tl) |
334 |
> |
return(1); |
335 |
> |
/* compute segments */ |
336 |
> |
aorg = qtL.tml; |
337 |
> |
if (qtL.tl >= aorg) { |
338 |
> |
alen = qtL.tl - aorg; |
339 |
> |
blen = 0; |
340 |
|
} else { |
341 |
< |
ca[0] = csm[0]; ca[1] = csm[1]; ca[2] = csm[2]; |
341 |
> |
alen = qtL.nl - aorg; |
342 |
> |
borg = 0; |
343 |
> |
blen = qtL.tl; |
344 |
|
} |
345 |
< |
if (!quads) return; |
346 |
< |
/* fill in gaps with average */ |
347 |
< |
for (i = 0; i < 4; i++) |
348 |
< |
if (quads & CHF(i)) |
349 |
< |
dev_paintr(ca, i&01 ? mx : x0, i&02 ? my : y0, |
350 |
< |
i&01 ? x1 : mx, i&02 ? y1 : my); |
376 |
< |
} |
377 |
< |
|
378 |
< |
|
379 |
< |
static |
380 |
< |
update(ca, tp, x0, y0, x1, y1) /* update tree display as needed */ |
381 |
< |
BYTE ca[3]; /* returned average color */ |
382 |
< |
register RTREE *tp; |
383 |
< |
int x0, y0, x1, y1; |
384 |
< |
{ |
385 |
< |
int csm[3], nc; |
386 |
< |
BYTE rgb[3]; |
387 |
< |
int gaps = 0; |
388 |
< |
int mx, my; |
389 |
< |
register int i; |
390 |
< |
/* compute midpoint */ |
391 |
< |
mx = (x0 + x1) >> 1; |
392 |
< |
my = (y0 + y1) >> 1; |
393 |
< |
csm[0] = csm[1] = csm[2] = nc = 0; |
394 |
< |
/* do leaves first */ |
395 |
< |
for (i = 0; i < 4; i++) |
396 |
< |
if ((tp->flgs & CHBRF(i)) == CHF(i)) { |
397 |
< |
if (tp->k[i].l == NULL) { |
398 |
< |
gaps |= 1<<i; /* empty stem */ |
399 |
< |
continue; |
400 |
< |
} |
401 |
< |
tmMapPixels(rgb, &tp->k[i].l->brt, tp->k[i].l->chr, 1); |
402 |
< |
dev_paintr(rgb, i&01 ? mx : x0, i&02 ? my : y0, |
403 |
< |
i&01 ? x1 : mx, i&02 ? y1 : my); |
404 |
< |
csm[0] += rgb[0]; csm[1] += rgb[1]; csm[2] += rgb[2]; |
405 |
< |
nc++; |
406 |
< |
} |
407 |
< |
/* now do branches */ |
408 |
< |
for (i = 0; i < 4; i++) |
409 |
< |
if ((tp->flgs & CHBRF(i)) == CHBRF(i)) { |
410 |
< |
update(rgb, tp->k[i].b, i&01 ? mx : x0, i&02 ? my : y0, |
411 |
< |
i&01 ? x1 : mx, i&02 ? y1 : my); |
412 |
< |
csm[0] += rgb[0]; csm[1] += rgb[1]; csm[2] += rgb[2]; |
413 |
< |
nc++; |
414 |
< |
} |
415 |
< |
if (nc > 1) { |
416 |
< |
ca[0] = csm[0]/nc; ca[1] = csm[1]/nc; ca[2] = csm[2]/nc; |
417 |
< |
} else { |
418 |
< |
ca[0] = csm[0]; ca[1] = csm[1]; ca[2] = csm[2]; |
419 |
< |
} |
420 |
< |
/* fill in gaps with average */ |
421 |
< |
for (i = 0; gaps && i < 4; gaps >>= 1, i++) |
422 |
< |
if (gaps & 01) |
423 |
< |
dev_paintr(ca, i&01 ? mx : x0, i&02 ? my : y0, |
424 |
< |
i&01 ? x1 : mx, i&02 ? y1 : my); |
425 |
< |
tp->flgs &= ~CH_ANY; /* all done */ |
426 |
< |
} |
427 |
< |
|
428 |
< |
|
429 |
< |
qtRedraw(x0, y0, x1, y1) /* redraw part of our screen */ |
430 |
< |
int x0, y0, x1, y1; |
431 |
< |
{ |
432 |
< |
int lim[2][2]; |
433 |
< |
BYTE ca[3]; |
434 |
< |
|
435 |
< |
if (is_stump(&qtrunk)) |
436 |
< |
return; |
437 |
< |
if ((lim[0][0]=x0) <= 0 & (lim[1][0]=y0) <= 0 & |
438 |
< |
(lim[0][1]=x1) >= odev.hres-1 & (lim[1][1]=y1) >= odev.vres-1 |
439 |
< |
|| tmTop->lumap == NULL) |
345 |
> |
/* (re)compute tone mapping? */ |
346 |
> |
if (qtL.tml == qtL.bl) { |
347 |
> |
tmClearHisto(); |
348 |
> |
tmAddHisto(qtL.brt+aorg, alen, 1); |
349 |
> |
if (blen > 0) |
350 |
> |
tmAddHisto(qtL.brt+borg, blen, 1); |
351 |
|
if (tmComputeMapping(0., 0., 0.) != TM_E_OK) |
352 |
< |
return; |
353 |
< |
redraw(ca, &qtrunk, 0, 0, odev.hres, odev.vres, lim); |
354 |
< |
} |
355 |
< |
|
356 |
< |
|
357 |
< |
qtUpdate() /* update our tree display */ |
358 |
< |
{ |
359 |
< |
BYTE ca[3]; |
360 |
< |
|
361 |
< |
if (is_stump(&qtrunk)) |
451 |
< |
return; |
452 |
< |
if (tmTop->lumap == NULL) |
453 |
< |
tmComputeMapping(0., 0., 0.); |
454 |
< |
update(ca, &qtrunk, 0, 0, odev.hres, odev.vres); |
352 |
> |
return(0); |
353 |
> |
} |
354 |
> |
if (tmMapPixels(qtL.rgb+aorg, qtL.brt+aorg, |
355 |
> |
qtL.chr+aorg, alen) != TM_E_OK) |
356 |
> |
return(0); |
357 |
> |
if (blen > 0) |
358 |
> |
tmMapPixels(qtL.rgb+borg, qtL.brt+borg, |
359 |
> |
qtL.chr+borg, blen); |
360 |
> |
qtL.tml = qtL.tl; |
361 |
> |
return(1); |
362 |
|
} |