// Build a fake outline, given just a bounding box and append to the list.
void C_OUTLINE::FakeOutline(const TBOX& box, C_OUTLINE_LIST* outlines) {
C_OUTLINE_IT ol_it(outlines);
// Make a C_OUTLINE from the bounds. This is a bit of a hack,
// as there is no outline, just a bounding box, but it works nicely.
CRACKEDGE start;
start.pos = box.topleft();
C_OUTLINE* outline = new C_OUTLINE(&start, box.topleft(), box.botright(), 0);
ol_it.add_to_end(outline);
}
// Build a ragged TabVector by copying another's direction, shifting it
// to match the given blob, and making its initial extent the height
// of the blob, but its extended bounds from the bounds of the original.
TabVector::TabVector(const TabVector& src, TabAlignment alignment,
const ICOORD& vertical_skew, BLOBNBOX* blob)
: extended_ymin_(src.extended_ymin_), extended_ymax_(src.extended_ymax_),
sort_key_(0), percent_score_(0), mean_width_(0),
needs_refit_(true), needs_evaluation_(true), intersects_other_lines_(false),
alignment_(alignment),
top_constraints_(NULL), bottom_constraints_(NULL) {
BLOBNBOX_C_IT it(&boxes_);
it.add_to_end(blob);
TBOX box = blob->bounding_box();
if (IsLeftTab()) {
startpt_ = box.botleft();
endpt_ = box.topleft();
} else {
startpt_ = box.botright();
endpt_ = box.topright();
}
sort_key_ = SortKey(vertical_skew,
(startpt_.x() + endpt_.x()) / 2,
(startpt_.y() + endpt_.y()) / 2);
if (textord_debug_tabfind > 3)
Print("Constructed a new tab vector:");
}
/**********************************************************************
* blob_origin
*
* Compute the origin of a compound blob, define to be the centre
* of the bounding box.
**********************************************************************/
void blob_origin(TBLOB *blob, /*blob to compute on */
TPOINT *origin) { /*return value */
TBOX bbox = blob->bounding_box();
*origin = (bbox.topleft() + bbox.botright()) / 2;
}