Tesseract: ccstruct/pageblk.cpp File Reference

00431                                                                 { 
00432   PAGE_BLOCK_IT c;
00433   INT16 i, pnum;
00434 
00435   c.set_to_list (pblock->child ());
00436   pnum = pblock->child ()->length ();
00437   for (i = 0; i < pnum; i++, c.forward ()) {
00438     if (delete_area->contains (c.data ()))
00439       c.extract ()->pb_delete ();
00440     else if (delete_area->overlap (c.data ()))
00441       delete_all_in (c.data (), delete_area);
00442   }
00443 }

void delete_all_tr_in	(	TEXT_BLOCK *	tblock,
		POLY_BLOCK *	delete_area
	)

FIX: ??

Text regions

Definition at line 635 of file pageblk.cpp.

References POLY_BLOCK::contains(), POLY_BLOCK::overlap(), and TEXT_BLOCK::regions().

00635                                                                    { 
00636   TEXT_REGION_IT t, tc;
00637   INT16 i, tnum, j, ttnum;
00638 
00639   t.set_to_list (tblock->regions ());
00640   tnum = tblock->regions ()->length ();
00641   for (i = 0; i < tnum; i++, t.forward ()) {
00642     if (delete_area->contains (t.data ()))
00643       delete (t.extract ());
00644     else if (delete_area->overlap (t.data ())) {
00645       tc.set_to_list (t.data ()->regions ());
00646       ttnum = t.data ()->regions ()->length ();
00647       for (j = 0; j < ttnum; j++, tc.forward ())
00648         if (delete_area->contains (tc.data ()))
00649           delete (tc.extract ());
00650     }
00651   }
00652 }

ELISTIZE_S ( PAGE_BLOCK )

Destroy a list of this type.

Needed due to the awful switched nature of the PAGE_BLOCK class.

Definition at line 26 of file pageblk.cpp.

References PB_GRAPHICS, PB_IMAGE, PB_RULES, PB_SCRIBBLE, PB_TEXT, and PB_WEIRD.

00032                            { 
00033   switch (pb_type) {
00034     case PB_TEXT:
00035       delete ((TEXT_BLOCK *) this);
00036       break;
00037     case PB_GRAPHICS:
00038       delete ((GRAPHICS_BLOCK *) this);
00039       break;
00040     case PB_IMAGE:
00041       delete ((IMAGE_BLOCK *) this);
00042       break;
00043     case PB_RULES:
00044       delete ((RULE_BLOCK *) this);
00045       break;
00046     case PB_SCRIBBLE:
00047       delete ((SCRIBBLE_BLOCK *) this);
00048       break;
00049     case PB_WEIRD:
00050       delete ((WEIRD_BLOCK *) this);
00051       break;
00052     default:
00053       break;
00054   }
00055 }

void print_background	(	DEBUG_WIN *	f,
		BITS16	background
	)

Print info on background.

What's this doing here?

Definition at line 941 of file pageblk.cpp.

References backlabel, BITS16::bit(), f, and NUM_BACKGROUNDS.

Referenced by SCRIBBLE_BLOCK::show_attrs(), GRAPHICS_BLOCK::show_attrs(), and TEXT_BLOCK::show_attrs().

00941                                                        { 
00942   int i;
00943 
00944   f->dprintf ("Background is \n");
00945   for (i = 0; i < NUM_BACKGROUNDS; i++) {
00946     if (background.bit (i))
00947       f->dprintf ("%s, ", backlabel[i]);
00948   }
00949 
00950   f->dprintf ("\n");
00951 
00952 }

void show_all_in	(	PAGE_BLOCK *	pblock,
		POLY_BLOCK *	show_area,
		DEBUG_WIN *	f
	)

FIX: Recursively dig into blocks and show info about them (??).

Definition at line 413 of file pageblk.cpp.

References POLY_BLOCK::contains(), f, POLY_BLOCK::overlap(), and show_all_in().

Referenced by show_all_in().

00413                                                                           { 
00414   PAGE_BLOCK_IT c;
00415   INT16 i, pnum;
00416 
00417   c.set_to_list (pblock->child ());
00418   pnum = pblock->child ()->length ();
00419   for (i = 0; i < pnum; i++, c.forward ()) {
00420     if (show_area->contains (c.data ()))
00421       c.data ()->show_attrs (f);
00422     else if (show_area->overlap (c.data ()))
00423       show_all_in (c.data (), show_area, f);
00424   }
00425 }

DLLSYM void show_all_tr_in	(	TEXT_BLOCK *	tblock,
		POLY_BLOCK *	show_area,
		DEBUG_WIN *	f
	)

FIX: ??

Text regions

Definition at line 608 of file pageblk.cpp.

References POLY_BLOCK::contains(), f, POLY_BLOCK::overlap(), and TEXT_BLOCK::regions().

00610                                          {
00611   TEXT_REGION_IT t, tc;
00612   INT16 i, tnum, j, ttnum;
00613 
00614   t.set_to_list (tblock->regions ());
00615   tnum = tblock->regions ()->length ();
00616   for (i = 0; i < tnum; i++, t.forward ()) {
00617     if (show_area->contains (t.data ()))
00618       t.data ()->show_attrs (f);
00619     else if (show_area->overlap (t.data ())) {
00620       tc.set_to_list (t.data ()->regions ());
00621       ttnum = t.data ()->regions ()->length ();
00622       for (j = 0; j < ttnum; j++, tc.forward ())
00623         if (show_area->contains (tc.data ()))
00624           tc.data ()->show_attrs (f);
00625     }
00626   }
00627 }

PAGE_BLOCK* smallest_containing	(	PAGE_BLOCK *	pblock,
		POLY_BLOCK *	other
	)

FIX: recursively (??) find smallest block (??).

Definition at line 449 of file pageblk.cpp.

References smallest_containing().

Referenced by smallest_containing().

00449                                                                        { 
00450   PAGE_BLOCK_IT c;
00451 
00452   c.set_to_list (pblock->child ());
00453   if (c.empty ())
00454     return (pblock);
00455 
00456   for (c.mark_cycle_pt (); !c.cycled_list (); c.forward ())
00457     if (c.data ()->contains (other))
00458       return (smallest_containing (c.data (), other));
00459 
00460   return (pblock);
00461 }

char backlabel[NUM_BACKGROUNDS][MAXLENGTH]

FIX: no idea.

Definition at line 203 of file labls.cpp.

Referenced by print_background().

char blabel[NUM_BLOCK_ATTR][4][MAXLENGTH]

FIX: no idea.

Definition at line 136 of file labls.cpp.

Referenced by RULE_BLOCK::show_attrs(), GRAPHICS_BLOCK::show_attrs(), IMAGE_BLOCK::show_attrs(), and SCRIBBLE_BLOCK::show_attrs().

ccstruct/pageblk.cpp File Reference

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Functions

Variables

Define Documentation

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Variable Documentation