/*!
* pixaSort2dByIndex()
*
* Input: pixas
* naa (numaa that maps from the new pixaa to the input pixas)
* copyflag (L_CLONE or L_COPY)
* Return: pixaa (sorted), or null on error
*/
PIXAA *
pixaSort2dByIndex(PIXA *pixas,
NUMAA *naa,
l_int32 copyflag)
{
l_int32 pixtot, ntot, i, j, n, nn, index;
BOX *box;
NUMA *na;
PIX *pix;
PIXA *pixa;
PIXAA *pixaa;
PROCNAME("pixaSort2dByIndex");
if (!pixas)
return (PIXAA *)ERROR_PTR("pixas not defined", procName, NULL);
if (!naa)
return (PIXAA *)ERROR_PTR("naindex not defined", procName, NULL);
/* Check counts */
ntot = numaaGetNumberCount(naa);
pixtot = pixaGetCount(pixas);
if (ntot != pixtot)
return (PIXAA *)ERROR_PTR("element count mismatch", procName, NULL);
n = numaaGetCount(naa);
pixaa = pixaaCreate(n);
for (i = 0; i < n; i++) {
na = numaaGetNuma(naa, i, L_CLONE);
nn = numaGetCount(na);
pixa = pixaCreate(nn);
for (j = 0; j < nn; j++) {
numaGetIValue(na, j, &index);
pix = pixaGetPix(pixas, index, copyflag);
box = pixaGetBox(pixas, index, copyflag);
pixaAddPix(pixa, pix, L_INSERT);
pixaAddBox(pixa, box, L_INSERT);
}
pixaaAddPixa(pixaa, pixa, L_INSERT);
numaDestroy(&na);
}
return pixaa;
}
/*!
* boxaSort2dByIndex()
*
* Input: boxas
* naa (numaa that maps from the new baa to the input boxa)
* Return: baa (sorted boxaa), or null on error
*/
BOXAA *
boxaSort2dByIndex(BOXA *boxas,
NUMAA *naa)
{
l_int32 ntot, boxtot, i, j, n, nn, index;
BOX *box;
BOXA *boxa;
BOXAA *baa;
NUMA *na;
PROCNAME("boxaSort2dByIndex");
if (!boxas)
return (BOXAA *)ERROR_PTR("boxas not defined", procName, NULL);
if (!naa)
return (BOXAA *)ERROR_PTR("naindex not defined", procName, NULL);
/* Check counts */
ntot = numaaGetNumberCount(naa);
boxtot = boxaGetCount(boxas);
if (ntot != boxtot)
return (BOXAA *)ERROR_PTR("element count mismatch", procName, NULL);
n = numaaGetCount(naa);
baa = boxaaCreate(n);
for (i = 0; i < n; i++) {
na = numaaGetNuma(naa, i, L_CLONE);
nn = numaGetCount(na);
boxa = boxaCreate(nn);
for (j = 0; j < nn; j++) {
numaGetIValue(na, i, &index);
box = boxaGetBox(boxas, index, L_COPY);
boxaAddBox(boxa, box, L_INSERT);
}
boxaaAddBoxa(baa, boxa, L_INSERT);
numaDestroy(&na);
}
return baa;
}
