/*! * pixaInsertPix() * * Input: pixa * index (at which pix is to be inserted) * pixs (new pix to be inserted) * box (<optional> new box to be inserted) * Return: 0 if OK, 1 on error * * Notes: * (1) This shifts pixa[i] --> pixa[i + 1] for all i >= index, * and then inserts at pixa[index]. * (2) To insert at the beginning of the array, set index = 0. * (3) It should not be used repeatedly on large arrays, * because the function is O(n). * (4) To append a pix to a pixa, it's easier to use pixaAddPix(). */ l_int32 pixaInsertPix(PIXA *pixa, l_int32 index, PIX *pixs, BOX *box) { l_int32 i, n; PROCNAME("pixaInsertPix"); if (!pixa) return ERROR_INT("pixa not defined", procName, 1); n = pixaGetCount(pixa); if (index < 0 || index > n) return ERROR_INT("index not in {0...n}", procName, 1); if (!pixs) return ERROR_INT("pixs not defined", procName, 1); if (n >= pixa->nalloc) { /* extend both ptr arrays */ pixaExtendArray(pixa); boxaExtendArray(pixa->boxa); } pixa->n++; for (i = n; i > index; i--) pixa->pix[i] = pixa->pix[i - 1]; pixa->pix[index] = pixs; /* Optionally, insert the box */ if (box) boxaInsertBox(pixa->boxa, index, box); return 0; }
int main(int argc, char **argv) { l_int32 i, n; l_float32 pi, angle, val; BOX *box; BOXA *boxa, *boxa1, *boxa2; NUMA *na1, *na2; PIX *pix, *pix1, *pix2; PIXA *pixa1, *pixa2, *pixa3, *pixa4; L_REGPARAMS *rp; if (regTestSetup(argc, argv, &rp)) return 1; lept_rmfile("/tmp/regout/insert3.ba"); lept_rmfile("/tmp/regout/insert4.ba"); lept_rmfile("/tmp/regout/insert6.pa"); lept_rmfile("/tmp/regout/insert7.pa"); lept_rmfile("/tmp/regout/insert9.pa"); lept_rmfile("/tmp/regout/insert10.pa"); /* ----------------- Test numa operations -------------------- */ pi = 3.1415926535; na1 = numaCreate(500); for (i = 0; i < 500; i++) { angle = 0.02293 * i * pi; val = (l_float32)sin(angle); numaAddNumber(na1, val); } numaWrite("/tmp/regout/insert0.na", na1); na2 = numaCopy(na1); n = numaGetCount(na2); for (i = 0; i < n; i++) { numaGetFValue(na2, i, &val); numaRemoveNumber(na2, i); numaInsertNumber(na2, i, val); } numaWrite("/tmp/regout/insert1.na", na2); regTestCheckFile(rp, "/tmp/regout/insert0.na"); /* 0 */ regTestCheckFile(rp, "/tmp/regout/insert1.na"); /* 1 */ regTestCompareFiles(rp, 0, 1); /* 2 */ numaDestroy(&na1); numaDestroy(&na2); /* ----------------- Test boxa operations -------------------- */ pix1 = pixRead("feyn.tif"); box = boxCreate(1138, 1666, 1070, 380); pix2 = pixClipRectangle(pix1, box, NULL); boxDestroy(&box); boxa1 = pixConnComp(pix2, NULL, 8); boxaWrite("/tmp/regout/insert3.ba", boxa1); boxa2 = boxaCopy(boxa1, L_COPY); n = boxaGetCount(boxa2); for (i = 0; i < n; i++) { boxaRemoveBoxAndSave(boxa2, i, &box); boxaInsertBox(boxa2, i, box); } boxaWrite("/tmp/regout/insert4.ba", boxa2); regTestCheckFile(rp, "/tmp/regout/insert3.ba"); /* 3 */ regTestCheckFile(rp, "/tmp/regout/insert4.ba"); /* 4 */ regTestCompareFiles(rp, 3, 4); /* 5 */ pixDestroy(&pix1); pixDestroy(&pix2); boxaDestroy(&boxa1); boxaDestroy(&boxa2); /* ----------------- Test pixa operations -------------------- */ pix1 = pixRead("feyn.tif"); box = boxCreate(1138, 1666, 1070, 380); pix2 = pixClipRectangle(pix1, box, NULL); boxDestroy(&box); boxa = pixConnComp(pix2, &pixa1, 8); boxaDestroy(&boxa); pixaWrite("/tmp/regout/insert6.pa", pixa1); regTestCheckFile(rp, "/tmp/regout/insert6.pa"); /* 6 */ pixDestroy(&pix1); pixDestroy(&pix2); /* Remove and insert each one */ pixa2 = pixaCopy(pixa1, L_COPY); n = pixaGetCount(pixa2); for (i = 0; i < n; i++) { pixaRemovePixAndSave(pixa2, i, &pix, &box); pixaInsertPix(pixa2, i, pix, box); } pixaWrite("/tmp/regout/insert7.pa", pixa2); regTestCheckFile(rp, "/tmp/regout/insert7.pa"); /* 7 */ regTestCompareFiles(rp, 6, 7); /* 8 */ /* Move the last to the beginning; do it n times */ pixa3 = pixaCopy(pixa2, L_COPY); for (i = 0; i < n; i++) { pix = pixaGetPix(pixa3, n - 1, L_CLONE); box = pixaGetBox(pixa3, n - 1, L_CLONE); pixaInsertPix(pixa3, 0, pix, box); pixaRemovePix(pixa3, n); } pixaWrite("/tmp/regout/insert9.pa", pixa3); regTestCheckFile(rp, "/tmp/regout/insert9.pa"); /* 9 */ /* Move the first one to the end; do it n times */ pixa4 = pixaCopy(pixa3, L_COPY); for (i = 0; i < n; i++) { pix = pixaGetPix(pixa4, 0, L_CLONE); box = pixaGetBox(pixa4, 0, L_CLONE); pixaInsertPix(pixa4, n, pix, box); /* make sure insert works at end */ pixaRemovePix(pixa4, 0); } pixaWrite("/tmp/regout/insert10.pa", pixa4); regTestCheckFile(rp, "/tmp/regout/insert10.pa"); /* 10 */ regTestCompareFiles(rp, 9, 10); /* 11 */ pixaDestroy(&pixa1); pixaDestroy(&pixa2); pixaDestroy(&pixa3); pixaDestroy(&pixa4); return regTestCleanup(rp); }
main(int argc, char **argv) { l_int32 i, n; l_float32 pi, angle, val; BOX *box; BOXA *boxa, *boxa1, *boxa2; NUMA *na1, *na2; PIX *pix, *pix1, *pix2, *pix3, *pixd; PIXA *pixa1, *pixa2, *pixa3, *pixa4; static char mainName[] = "inserttest"; #if 1 pi = 3.1415926535; na1 = numaCreate(500); for (i = 0; i < 500; i++) { angle = 0.02293 * i * pi; val = (l_float32)sin(angle); numaAddNumber(na1, val); } numaWrite("/tmp/junknuma1", na1); na2 = numaCopy(na1); n = numaGetCount(na2); for (i = 0; i < n; i++) { numaGetFValue(na2, i, &val); numaRemoveNumber(na2, i); numaInsertNumber(na2, i, val); } numaWrite("/tmp/junknuma2", na2); numaDestroy(&na1); numaDestroy(&na2); #endif #if 1 pix1 = pixRead("feyn.tif"); box = boxCreate(1138, 1666, 1070, 380); pix2 = pixClipRectangle(pix1, box, NULL); boxDestroy(&box); boxa1 = pixConnComp(pix2, NULL, 8); boxaWrite("/tmp/junkboxa1", boxa1); boxa2 = boxaCopy(boxa1, L_COPY); n = boxaGetCount(boxa2); for (i = 0; i < n; i++) { box = boxaGetBox(boxa2, i, L_COPY); boxaRemoveBox(boxa2, i); boxaInsertBox(boxa2, i, box); } boxaWrite("/tmp/junkboxa2", boxa2); pixDestroy(&pix1); pixDestroy(&pix2); boxaDestroy(&boxa1); boxaDestroy(&boxa2); #endif #if 1 pix1 = pixRead("feyn.tif"); box = boxCreate(1138, 1666, 1070, 380); pix2 = pixClipRectangle(pix1, box, NULL); boxDestroy(&box); boxa = pixConnComp(pix2, &pixa1, 8); boxaDestroy(&boxa); pixaWrite("/tmp/junkpixa1", pixa1); pixa2 = pixaCopy(pixa1, L_COPY); n = pixaGetCount(pixa2); /* Remove and insert each one */ for (i = 0; i < n; i++) { pix = pixaGetPix(pixa2, i, L_COPY); box = pixaGetBox(pixa2, i, L_COPY); pixaRemovePix(pixa2, i); pixaInsertPix(pixa2, i, pix, box); } pixaWrite("/tmp/junkpixa2", pixa2); /* Move the last to the beginning; do it n times */ pixa3 = pixaCopy(pixa2, L_COPY); for (i = 0; i < n; i++) { pix = pixaGetPix(pixa3, n - 1, L_CLONE); box = pixaGetBox(pixa3, n - 1, L_CLONE); pixaInsertPix(pixa3, 0, pix, box); pixaRemovePix(pixa3, n); } pixaWrite("/tmp/junkpixa3", pixa3); /* Move the first one to the end; do it n times */ pixa4 = pixaCopy(pixa3, L_COPY); for (i = 0; i < n; i++) { pix = pixaGetPix(pixa4, 0, L_CLONE); box = pixaGetBox(pixa4, 0, L_CLONE); pixaInsertPix(pixa4, n, pix, box); /* make sure insert works at end */ pixaRemovePix(pixa4, 0); } pixaWrite("/tmp/junkpixa4", pixa4); pixDestroy(&pix1); pixDestroy(&pix2); pixaDestroy(&pixa1); pixaDestroy(&pixa2); pixaDestroy(&pixa3); pixaDestroy(&pixa4); #endif return 0; }