drawtord.cpp File Reference

#include "pithsync.h"
#include "topitch.h"
#include "drawtord.h"

Go to the source code of this file.

Macros
#define	TO_WIN_XPOS   0
#define	TO_WIN_YPOS   0
#define	TO_WIN_NAME   "Textord"
#define	EXTERN

Functions
ScrollView *	create_to_win (ICOORD page_tr)
void	close_to_win ()
void	plot_box_list (ScrollView *win, BLOBNBOX_LIST *list, ScrollView::Color body_colour)
void	plot_to_row (TO_ROW *row, ScrollView::Color colour, FCOORD rotation)
void	plot_parallel_row (TO_ROW *row, float gradient, inT32 left, ScrollView::Color colour, FCOORD rotation)
void	draw_occupation (inT32 xleft, inT32 ybottom, inT32 min_y, inT32 max_y, inT32 occupation[], inT32 thresholds[])
void	draw_meanlines (TO_BLOCK *block, float gradient, inT32 left, ScrollView::Color colour, FCOORD rotation)
void	plot_word_decisions (ScrollView *win, inT16 pitch, TO_ROW *row)
void	plot_fp_cells (ScrollView *win, ScrollView::Color colour, BLOBNBOX_IT *blob_it, inT16 pitch, inT16 blob_count, STATS *projection, inT16 projection_left, inT16 projection_right, float projection_scale)
void	plot_fp_cells2 (ScrollView *win, ScrollView::Color colour, TO_ROW *row, FPSEGPT_LIST *seg_list)
void	plot_row_cells (ScrollView *win, ScrollView::Color colour, TO_ROW *row, float xshift, ICOORDELT_LIST *cells)

Variables
EXTERN bool	textord_show_fixed_cuts = FALSE
EXTERN ScrollView *	to_win = NULL

Macro Definition Documentation

#define EXTERN

Definition at line 33 of file drawtord.cpp.

#define TO_WIN_NAME   "Textord"

Definition at line 30 of file drawtord.cpp.

#define TO_WIN_XPOS   0

Definition at line 28 of file drawtord.cpp.

#define TO_WIN_YPOS   0

Definition at line 29 of file drawtord.cpp.

Function Documentation

void close_to_win

(

)

Definition at line 56 of file drawtord.cpp.

                    {
  // to_win is leaked, but this enables the user to view the contents.
  if (to_win != NULL) {
    to_win->Update();
  }
}

ScrollView* create_to_win

(

ICOORD

page_tr

)

Definition at line 47 of file drawtord.cpp.

                                          {
  if (to_win != NULL) return to_win;
  to_win = new ScrollView(TO_WIN_NAME, TO_WIN_XPOS, TO_WIN_YPOS,
                          page_tr.x() + 1, page_tr.y() + 1,
                          page_tr.x(), page_tr.y(), true);
  return to_win;
}

void draw_meanlines	(	TO_BLOCK *	block,
		float	gradient,
		inT32	left,
		ScrollView::Color	colour,
		FCOORD	rotation
	)

Definition at line 210 of file drawtord.cpp.

                     {
  FCOORD plot_pt;                //point to plot
                                 //rows
  TO_ROW_IT row_it = block->get_rows ();
  TO_ROW *row;                   //current row
  BLOBNBOX_IT blob_it;           //blobs
  float right;                   //end of row
  to_win->Pen(colour);
  for (row_it.mark_cycle_pt (); !row_it.cycled_list (); row_it.forward ()) {
    row = row_it.data ();
    blob_it.set_to_list (row->blob_list ());
    blob_it.move_to_last ();
    right = blob_it.data ()->bounding_box ().right ();
    plot_pt =
      FCOORD ((float) left,
      gradient * left + row->parallel_c () + row->xheight);
    plot_pt.rotate (rotation);
  to_win->SetCursor(plot_pt.x (), plot_pt.y ());
    plot_pt =
      FCOORD ((float) right,
      gradient * right + row->parallel_c () + row->xheight);
    plot_pt.rotate (rotation);
    to_win->DrawTo (plot_pt.x (), plot_pt.y ());
  }
}

void draw_occupation	(	inT32	xleft,
		inT32	ybottom,
		inT32	min_y,
		inT32	max_y,
		inT32	occupation[],
		inT32	thresholds[]
	)

Definition at line 166 of file drawtord.cpp.

  {
  inT32 line_index;              //pixel coord
  ScrollView::Color colour;                 //of histogram
  float fleft = (float) xleft;   //float version

  colour = ScrollView::WHITE;
  to_win->Pen(colour);
  to_win->SetCursor(fleft, (float) ybottom);
  for (line_index = min_y; line_index <= max_y; line_index++) {
    if (occupation[line_index - min_y] < thresholds[line_index - min_y]) {
      if (colour != ScrollView::BLUE) {
        colour = ScrollView::BLUE;
        to_win->Pen(colour);
      }
    }
    else {
      if (colour != ScrollView::WHITE) {
        colour = ScrollView::WHITE;
        to_win->Pen(colour);
      }
    }
  to_win->DrawTo(fleft + occupation[line_index - min_y] / 10.0,      (float) line_index);
  }
  colour=ScrollView::STEEL_BLUE;
  to_win->Pen(colour);
  to_win->SetCursor(fleft, (float) ybottom);
  for (line_index = min_y; line_index <= max_y; line_index++) {
     to_win->DrawTo(fleft + thresholds[line_index - min_y] / 10.0,      (float) line_index);
  }
}

void plot_box_list	(	ScrollView *	win,
		BLOBNBOX_LIST *	list,
		ScrollView::Color	body_colour
	)

Definition at line 70 of file drawtord.cpp.

                    {
  BLOBNBOX_IT it = list;         //iterator

  win->Pen(body_colour);
  win->Brush(ScrollView::NONE);
  for (it.mark_cycle_pt (); !it.cycled_list (); it.forward ()) {
    it.data ()->bounding_box ().plot (win);
  }
}

void plot_fp_cells	(	ScrollView *	win,
		ScrollView::Color	colour,
		BLOBNBOX_IT *	blob_it,
		inT16	pitch,
		inT16	blob_count,
		STATS *	projection,
		inT16	projection_left,
		inT16	projection_right,
		float	projection_scale
	)

Definition at line 320 of file drawtord.cpp.

                                           {
  inT16 occupation;              //occupied cells
  TBOX word_box;                  //bounding box
  FPSEGPT_LIST seg_list;         //list of cuts
  FPSEGPT_IT seg_it;
  FPSEGPT *segpt;                //current point

  if (pitsync_linear_version)
    check_pitch_sync2 (blob_it, blob_count, pitch, 2, projection,
      projection_left, projection_right,
      projection_scale, occupation, &seg_list, 0, 0);
  else
    check_pitch_sync (blob_it, blob_count, pitch, 2, projection, &seg_list);
  word_box = blob_it->data ()->bounding_box ();
  for (; blob_count > 0; blob_count--)
    word_box += box_next (blob_it);
  seg_it.set_to_list (&seg_list);
  for (seg_it.mark_cycle_pt (); !seg_it.cycled_list (); seg_it.forward ()) {
    segpt = seg_it.data ();
    if (segpt->faked) {
         colour = ScrollView::WHITE;
         win->Pen(colour);  }
    else {
      win->Pen(colour); }
    win->Line(segpt->position (), word_box.bottom (),segpt->position (), word_box.top ());
  }
}

void plot_fp_cells2	(	ScrollView *	win,
		ScrollView::Color	colour,
		TO_ROW *	row,
		FPSEGPT_LIST *	seg_list
	)

Definition at line 364 of file drawtord.cpp.

                     {
  TBOX word_box;                  //bounding box
  FPSEGPT_IT seg_it = seg_list;
                                 //blobs in row
  BLOBNBOX_IT blob_it = row->blob_list ();
  FPSEGPT *segpt;                //current point

  word_box = blob_it.data ()->bounding_box ();
  for (blob_it.mark_cycle_pt (); !blob_it.cycled_list ();)
    word_box += box_next (&blob_it);
  for (seg_it.mark_cycle_pt (); !seg_it.cycled_list (); seg_it.forward ()) {
    segpt = seg_it.data ();
    if (segpt->faked) {
         colour = ScrollView::WHITE;
         win->Pen(colour); }
    else {
     win->Pen(colour); }
     win->Line(segpt->position (), word_box.bottom (),segpt->position (), word_box.top ());
  }
}

void plot_parallel_row	(	TO_ROW *	row,
		float	gradient,
		inT32	left,
		ScrollView::Color	colour,
		FCOORD	rotation
	)

Definition at line 125 of file drawtord.cpp.

                        {
  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 ());
}

void plot_row_cells	(	ScrollView *	win,
		ScrollView::Color	colour,
		TO_ROW *	row,
		float	xshift,
		ICOORDELT_LIST *	cells
	)

Definition at line 397 of file drawtord.cpp.

                     {
  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 ());
  }
}

void plot_to_row	(	TO_ROW *	row,
		ScrollView::Color	colour,
		FCOORD	rotation
	)

Definition at line 91 of file drawtord.cpp.

                  {
  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_word_decisions	(	ScrollView *	win,
		inT16	pitch,
		TO_ROW *	row
	)

Definition at line 250 of file drawtord.cpp.

                          {
  ScrollView::Color colour = ScrollView::MAGENTA;       //current colour
  ScrollView::Color rect_colour;            //fuzzy colour
  inT32 prev_x;                  //end of prev blob
  inT16 blob_count;              //blobs in word
  BLOBNBOX *blob;                //current blob
  TBOX blob_box;                  //bounding box
                                 //iterator
  BLOBNBOX_IT blob_it = row->blob_list ();
  BLOBNBOX_IT start_it = blob_it;//word start

  rect_colour = ScrollView::BLACK;
  prev_x = -MAX_INT16;
  blob_count = 0;
  for (blob_it.mark_cycle_pt (); !blob_it.cycled_list (); blob_it.forward ()) {
    blob = blob_it.data ();
    blob_box = blob->bounding_box ();
    if (!blob->joined_to_prev ()
    && blob_box.left () - prev_x > row->max_nonspace) {
      if ((blob_box.left () - prev_x >= row->min_space
        || blob_box.left () - prev_x > row->space_threshold)
      && blob_count > 0) {
        if (pitch > 0 && textord_show_fixed_cuts)
          plot_fp_cells (win, colour, &start_it, pitch, blob_count,
            &row->projection, row->projection_left,
            row->projection_right,
            row->xheight * textord_projection_scale);
        blob_count = 0;
        start_it = blob_it;
      }
      if (colour == ScrollView::MAGENTA)
        colour = ScrollView::RED;
      else
        colour = (ScrollView::Color) (colour + 1);
      if (blob_box.left () - prev_x < row->min_space) {
        if (blob_box.left () - prev_x > row->space_threshold)
          rect_colour = ScrollView::GOLDENROD;
        else
          rect_colour = ScrollView::CORAL;
        //fill_color_index(win, rect_colour);
        win->Brush(rect_colour);
        win->Rectangle (prev_x, blob_box.bottom (),
          blob_box.left (), blob_box.top ());
      }
    }
    if (!blob->joined_to_prev())
      prev_x = blob_box.right();
    if (blob->cblob () != NULL)
      blob->cblob ()->plot (win, colour, colour);
    if (!blob->joined_to_prev() && blob->cblob() != NULL)
      blob_count++;
  }
  if (pitch > 0 && textord_show_fixed_cuts && blob_count > 0)
    plot_fp_cells (win, colour, &start_it, pitch, blob_count,
      &row->projection, row->projection_left,
      row->projection_right,
      row->xheight * textord_projection_scale);
}

Variable Documentation

EXTERN bool textord_show_fixed_cuts = FALSE

"Draw fixed pitch cell boundaries"

Definition at line 36 of file drawtord.cpp.

EXTERN ScrollView* to_win = NULL

Definition at line 38 of file drawtord.cpp.