void plot_to_row( //draw a row
TO_ROW *row, //row to draw
ScrollView::Color colour, //colour to draw in
FCOORD rotation //rotation for line
) {
FCOORD plot_pt; //point to plot
//blobs
BLOBNBOX_IT it = row->blob_list();
float left, right; //end of row
if (it.empty()) {
tprintf("No blobs in row at %g\n", row->parallel_c());
return;
}
left = it.data()->bounding_box().left();
it.move_to_last();
right = it.data()->bounding_box().right();
plot_blob_list(to_win, row->blob_list(), colour, ScrollView::BROWN);
to_win->Pen(colour);
plot_pt = FCOORD(left, row->line_m() * left + row->line_c());
plot_pt.rotate(rotation);
to_win->SetCursor(plot_pt.x(), plot_pt.y());
plot_pt = FCOORD(right, row->line_m() * right + row->line_c());
plot_pt.rotate(rotation);
to_win->DrawTo(plot_pt.x(), plot_pt.y());
}
void plot_parallel_row( //draw a row
TO_ROW *row, //row to draw
float gradient, //gradients of lines
inT32 left, //edge of block
ScrollView::Color colour, //colour to draw in
FCOORD rotation //rotation for line
) {
FCOORD plot_pt; //point to plot
//blobs
BLOBNBOX_IT it = row->blob_list();
float fleft = (float) left; //floating version
float right; //end of row
// left=it.data()->bounding_box().left();
it.move_to_last();
right = it.data()->bounding_box().right();
plot_blob_list(to_win, row->blob_list(), colour, ScrollView::BROWN);
to_win->Pen(colour);
plot_pt = FCOORD(fleft, gradient * left + row->max_y());
plot_pt.rotate(rotation);
to_win->SetCursor(plot_pt.x(), plot_pt.y());
plot_pt = FCOORD(fleft, gradient * left + row->min_y());
plot_pt.rotate(rotation);
to_win->DrawTo(plot_pt.x(), plot_pt.y());
plot_pt = FCOORD(fleft, gradient * left + row->parallel_c());
plot_pt.rotate(rotation);
to_win->SetCursor(plot_pt.x(), plot_pt.y());
plot_pt = FCOORD(right, gradient * right + row->parallel_c());
plot_pt.rotate(rotation);
to_win->DrawTo(plot_pt.x(), plot_pt.y());
}
