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()); }