void WERD::copy_on(WERD* other) {
bool reversed = other->bounding_box().left() < bounding_box().left();
C_BLOB_IT c_blob_it(&cblobs);
C_BLOB_LIST c_blobs;
c_blobs.deep_copy(&other->cblobs, &C_BLOB::deep_copy);
if (reversed) {
c_blob_it.add_list_before(&c_blobs);
} else {
c_blob_it.move_to_last();
c_blob_it.add_list_after(&c_blobs);
}
if (!other->rej_cblobs.empty()) {
C_BLOB_IT rej_c_blob_it(&rej_cblobs);
C_BLOB_LIST new_rej_c_blobs;
new_rej_c_blobs.deep_copy(&other->rej_cblobs, &C_BLOB::deep_copy);
if (reversed) {
rej_c_blob_it.add_list_before(&new_rej_c_blobs);
} else {
rej_c_blob_it.move_to_last();
rej_c_blob_it.add_list_after(&new_rej_c_blobs);
}
}
}
/// Return a TBLOB * from the whole page_image.
/// To be freed later with free_blob().
TBLOB *make_tesseract_blob(float baseline, float xheight, float descender, float ascender) {
BLOCK *block = new BLOCK ("a character",
TRUE,
0, 0,
0, 0,
page_image.get_xsize(),
page_image.get_ysize());
// Create C_BLOBs from the page
extract_edges(
#ifndef GRAPHICS_DISABLED
NULL,
#endif
&page_image, &page_image,
ICOORD(page_image.get_xsize(), page_image.get_ysize()),
block);
// Create one PBLOB from all C_BLOBs
C_BLOB_LIST *list = block->blob_list();
C_BLOB_IT c_blob_it(list);
PBLOB *pblob = new PBLOB; // will be (hopefully) deleted by the pblob_list
for (c_blob_it.mark_cycle_pt();
!c_blob_it.cycled_list();
c_blob_it.forward()) {
C_BLOB *c_blob = c_blob_it.data();
PBLOB c_as_p(c_blob, baseline + xheight);
merge_blobs(pblob, &c_as_p);
}
PBLOB_LIST *pblob_list = new PBLOB_LIST; // will be deleted by the word
PBLOB_IT pblob_it(pblob_list);
pblob_it.add_after_then_move(pblob);
// Normalize PBLOB
WERD word(pblob_list, 0, " ");
ROW *row = make_tess_ocrrow(baseline, xheight, descender, ascender);
word.baseline_normalise(row);
delete row;
// Create a TBLOB from PBLOB
return make_tess_blob(pblob, /* flatten: */ TRUE);
}
