static void
TestMapIterator3(L_AMAP *m,
l_int32 print) /* forward iterator; delete the tree */
{
l_int32 count, npix, ival;
l_uint32 ukey;
L_AMAP_NODE *n, *nn;
n = l_amapGetFirst(m);
count = 0;
npix = 0;
fprintf(stderr, "\n ------ Begin forward iter; delete tree ---------\n");
while (n) {
nn = l_amapGetNext(n);
count++;
ukey = n->key.utype;
ival = n->value.itype;
npix += ival;
if (print)
fprintf(stderr, "key = %x, val = %d\n", ukey, ival);
l_amapDelete(m, n->key);
n = nn;
}
fprintf(stderr, "Count from iterator: %d\n", count);
fprintf(stderr, "Number of pixels: %d\n", npix);
fprintf(stderr, " ------ End forward iter; delete tree ---------\n");
return;
}
static void
DisplayMapRGBHistogram(L_AMAP *m,
const char *rootname)
{
char buf[128];
l_int32 ncolors, npix, ival, maxn, maxn2;
l_uint32 val32, maxcolor;
L_AMAP_NODE *n;
NUMA *na;
fprintf(stderr, "\n --------------- Display RGB histogram ------------\n");
na = numaCreate(0);
ncolors = npix = 0;
maxn = 0;
maxcolor = 0;
n = l_amapGetFirst(m);
while (n) {
ncolors++;
ival = n->value.itype;
if (ival > maxn) {
maxn = ival;
maxcolor = n->key.utype;
}
numaAddNumber(na, ival);
npix += ival;
n = l_amapGetNext(n);
}
fprintf(stderr, " Num colors = %d, Num pixels = %d\n", ncolors, npix);
fprintf(stderr, " Color %x has count %d\n", maxcolor, maxn);
maxn2 = amapGetCountForColor(m, maxcolor);
if (maxn != maxn2)
fprintf(stderr, " Error: maxn2 = %d; not equal to %d\n", maxn, maxn2);
gplotSimple1(na, GPLOT_PNG, rootname, NULL);
snprintf(buf, sizeof(buf), "%s.png", rootname);
l_fileDisplay(buf, 1400, 0, 1.0);
numaDestroy(&na);
return;
}
