void POLY_BLOCK::reflect_in_y_axis() {
ICOORDELT *pt; // current point
ICOORDELT_IT pts = &vertices; // Iterator.
do {
pt = pts.data();
pt->set_x(-pt->x());
pts.forward();
}
while (!pts.at_first());
compute_bb();
}
void POLY_BLOCK::rotate(FCOORD rotation) {
FCOORD pos; //current pos;
ICOORDELT *pt; //current point
ICOORDELT_IT pts = &vertices; //iterator
do {
pt = pts.data ();
pos.set_x (pt->x ());
pos.set_y (pt->y ());
pos.rotate (rotation);
pt->set_x ((inT16) (floor (pos.x () + 0.5)));
pt->set_y ((inT16) (floor (pos.y () + 0.5)));
pts.forward ();
}
while (!pts.at_first ());
compute_bb();
}
void plot_row_cells( //draw words
ScrollView *win, //window tro draw in
ScrollView::Color colour, //colour of lines
TO_ROW *row, //for location
float xshift, //amount of shift
ICOORDELT_LIST *cells //cells to draw
) {
TBOX word_box; //bounding box
ICOORDELT_IT cell_it = cells;
//blobs in row
BLOBNBOX_IT blob_it = row->blob_list();
ICOORDELT *cell; //current cell
word_box = blob_it.data()->bounding_box();
for (blob_it.mark_cycle_pt(); !blob_it.cycled_list();)
word_box += box_next(&blob_it);
win->Pen(colour);
for (cell_it.mark_cycle_pt(); !cell_it.cycled_list(); cell_it.forward()) {
cell = cell_it.data();
win->Line(cell->x() + xshift, word_box.bottom(), cell->x() + xshift, word_box.top());
}
}
