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tesseract/ccmain/pgedit.cpp
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git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@442 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2010-07-27 14:58:33 +00:00

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/**********************************************************************
* File: pgedit.cpp (Formerly pgeditor.c)
* Description: Page structure file editor
* Author: Phil Cheatle
* Created: Thu Oct 10 16:25:24 BST 1991
*
*(C) Copyright 1991, Hewlett-Packard Ltd.
** Licensed under the Apache License, Version 2.0(the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http:// www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
**********************************************************************/
#ifdef _MSC_VER
#pragma warning(disable:4244) // Conversion warnings
#endif
// Include automatically generated configuration file if running autoconf.
#ifdef HAVE_CONFIG_H
#include "config_auto.h"
#endif
#include "pgedit.h"
#include <ctype.h>
#include <math.h>
#include "genblob.h"
#include "tessio.h"
#include "tessout.h"
#include "tordmain.h"
#include "statistc.h"
#include "debugwin.h"
#include "svshowim.h"
#include "mainblk.h"
#include "varabled.h"
#include "string.h"
#include "scrollview.h"
#include "svmnode.h"
#include "control.h"
#include "tesseractclass.h"
#include "blread.h"
#ifndef GRAPHICS_DISABLED
#define ASC_HEIGHT (2 * bln_baseline_offset + bln_x_height)
#define X_HEIGHT (bln_baseline_offset + bln_x_height)
#define BL_HEIGHT bln_baseline_offset
#define DESC_HEIGHT 0
#define MAXSPACING 128 /*max expected spacing in pix */
const ERRCODE EMPTYBLOCKLIST = "No blocks to edit";
extern IMAGE page_image;
enum CMD_EVENTS
{
NULL_CMD_EVENT,
DELETE_CMD_EVENT,
COPY_CMD_EVENT,
CHANGE_DISP_CMD_EVENT,
CHANGE_TEXT_CMD_EVENT,
TOGGLE_SEG_CMD_EVENT,
DUMP_WERD_CMD_EVENT,
SHOW_POINT_CMD_EVENT,
ROW_SPACE_STAT_CMD_EVENT,
BLOCK_SPACE_STAT_CMD_EVENT,
SHOW_BLN_WERD_CMD_EVENT,
SEGMENT_WERD_CMD_EVENT,
BOUNDING_BOX_CMD_EVENT,
CORRECT_TEXT_CMD_EVENT,
POLYGONAL_CMD_EVENT,
BL_NORM_CMD_EVENT,
BITMAP_CMD_EVENT,
TIDY_CMD_EVENT,
VIEW_CMD_EVENT,
IMAGE_CMD_EVENT,
BLOCKS_CMD_EVENT,
BASELINES_CMD_EVENT,
WRITE_CMD_EVENT,
NEW_SOURCE_CMD_EVENT,
UNIFORM_DISP_CMD_EVENT,
REFRESH_CMD_EVENT,
QUIT_CMD_EVENT,
RECOG_WERDS,
RECOG_PSEUDO
};
/*
*
* Some global data
*
*/
ScrollView* image_win;
VariablesEditor* ve;
bool stillRunning = false;
#ifdef __UNIX__
FILE *debug_window = NULL; // opened on demand
#endif
// baseline norm words
ScrollView* bln_word_window = NULL;
CMD_EVENTS mode = CHANGE_DISP_CMD_EVENT;
// Selected words op
BITS16 word_display_mode;
BOOL8 display_image = FALSE;
BOOL8 display_blocks = FALSE;
BOOL8 display_baselines = FALSE;
BOOL8 viewing_source = TRUE;
BLOCK_LIST *source_block_list = NULL; // image blocks
BLOCK_LIST target_block_list; // target blocks
BLOCK_LIST *other_block_list = &target_block_list;
BOOL8 source_changed = FALSE; // Changes not saved
BOOL8 target_changed = FALSE; // Changes not saved
BOOL8 *other_image_changed = &target_changed;
/* Public globals */
#define EXTERN
EXTERN BLOCK_LIST *current_block_list = NULL;
EXTERN BOOL8 *current_image_changed = &source_changed;
/* Variables */
EXTERN STRING_VAR(editor_image_win_name, "EditorImage",
"Editor image window name");
EXTERN INT_VAR(editor_image_xpos, 590, "Editor image X Pos");
EXTERN INT_VAR(editor_image_ypos, 10, "Editor image Y Pos");
EXTERN INT_VAR(editor_image_menuheight, 50, "Add to image height for menu bar");
EXTERN INT_VAR(editor_image_word_bb_color, ScrollView::BLUE,
"Word bounding box colour");
EXTERN INT_VAR(editor_image_blob_bb_color, ScrollView::YELLOW,
"Blob bounding box colour");
EXTERN INT_VAR(editor_image_text_color, ScrollView::WHITE,
"Correct text colour");
EXTERN STRING_VAR(editor_dbwin_name, "EditorDBWin",
"Editor debug window name");
EXTERN INT_VAR(editor_dbwin_xpos, 50, "Editor debug window X Pos");
EXTERN INT_VAR(editor_dbwin_ypos, 500, "Editor debug window Y Pos");
EXTERN INT_VAR(editor_dbwin_height, 24, "Editor debug window height");
EXTERN INT_VAR(editor_dbwin_width, 80, "Editor debug window width");
EXTERN STRING_VAR(editor_word_name, "BlnWords", "BL normalised word window");
EXTERN INT_VAR(editor_word_xpos, 60, "Word window X Pos");
EXTERN INT_VAR(editor_word_ypos, 510, "Word window Y Pos");
EXTERN INT_VAR(editor_word_height, 240, "Word window height");
EXTERN INT_VAR(editor_word_width, 655, "Word window width");
EXTERN double_VAR(editor_smd_scale_factor, 1.0, "Scaling for smd image");
/**
* add_word()
*
* Inserts the a word into a specified block list. The list is searched for a
* block and row of the same file as those of the word to be added, which
* contain the bounding box of the word. If such a row is found, the new
* word is inserted into the row in the correct X order. If the
* block is found, but not the row, a copy of the word's old row is added to
* the block in the correct Y order, and the word is put in that row.
* If neither the row nor the block are found, then the word's old block is
* copied with only the word's row. It is added to the block list in the
* correct Y order.
*/
void add_word( // to block list
WERD *word, //< word to be added
ROW *src_row, //< source row
BLOCK *src_block, //< source block
BLOCK_LIST *dest_block_list //< add to this
) {
BLOCK_IT block_it(dest_block_list);
BLOCK *block; // current block
BLOCK *dest_block = NULL; // destination block
ROW_IT row_it;
ROW *row; // destination row
ROW *dest_row = NULL; // destination row
WERD_IT word_it;
TBOX word_box = word->bounding_box();
TBOX insert_point_word_box;
BOOL8 seen_blocks_for_current_file = FALSE;
block_it.mark_cycle_pt();
while(!block_it.cycled_list() &&(dest_block == NULL)) {
block = block_it.data();
if ((block->bounding_box().contains(word_box)) &&
(strcmp(block->name(), src_block->name()) == 0)) {
dest_block = block; // found dest block
row_it.set_to_list(block->row_list());
row_it.mark_cycle_pt();
while((!row_it.cycled_list()) &&(dest_row == NULL)) {
row = row_it.data();
if (row->bounding_box().contains(word_box))
dest_row = row; // found dest row
else
row_it.forward();
}
}
else
block_it.forward();
}
if (dest_block == NULL) { // make a new one
dest_block = new BLOCK;
*dest_block = *src_block;
block_it.set_to_list(dest_block_list);
for (block_it.mark_cycle_pt();
!block_it.cycled_list(); block_it.forward()) {
block = block_it.data();
if (!seen_blocks_for_current_file &&
(strcmp(block->name(), dest_block->name()) == 0))
seen_blocks_for_current_file = TRUE;
if (seen_blocks_for_current_file &&
((strcmp(block->name(), dest_block->name()) != 0) ||
(block->bounding_box().top() <
dest_block->bounding_box().top())))
break;
}
if (block_it.cycled_list())
// didn't find insrt pt
block_it.add_to_end(dest_block);
else
// did find insert pt
block_it.add_before_stay_put(dest_block);
}
if (dest_row == NULL) { // make a new one
dest_row = new ROW;
*dest_row = *src_row;
row_it.set_to_list(dest_block->row_list());
for (row_it.mark_cycle_pt(); !row_it.cycled_list(); row_it.forward()) {
if (row_it.data()->bounding_box().top() <
dest_row->bounding_box().top())
break;
}
if (row_it.cycled_list())
// didn't find insrt pt
row_it.add_to_end(dest_row);
else
// did find insert pt
row_it.add_before_stay_put(dest_row);
}
/* dest_block and dest_row are now found or built and inserted as necessesary
so add the word to dest row */
word_it.set_to_list(dest_row->word_list());
for (word_it.mark_cycle_pt(); !word_it.cycled_list(); word_it.forward()) {
if (word_it.data()->bounding_box().right() >= word_box.left())
break;
}
if (word_it.cycled_list())
word_it.add_to_end(word); // didn't find insrt pt
else { // did find insert pt
insert_point_word_box = word_it.data()->bounding_box();
if (insert_point_word_box.contains(word_box) ||
word_box.contains(insert_point_word_box))
image_win->AddMessage("Refusing to add words which obliterate,"
" or are obliterated by, others");
else {
if (word_it.data()->bounding_box().left() >
word->bounding_box().left())
// infront of insert pt
word_it.add_before_stay_put(word);
else
// behind insert pt
word_it.add_after_stay_put(word);
}
}
}
class BlnEventHandler : public SVEventHandler {
public:
void Notify(const SVEvent* sv_event) {
if (sv_event->type == SVET_DESTROY)
bln_word_window = NULL;
else if (sv_event->type == SVET_CLICK)
show_point(current_block_list, sv_event->x, sv_event->y);
}
};
/**
* bln_word_window_handle()
*
* @return a WINDOW for the word window, creating it if necessary
*/
ScrollView* bln_word_window_handle() { // return handle
// not opened yet
if (bln_word_window == NULL) {
pgeditor_msg("Creating BLN word window...");
bln_word_window = new ScrollView(editor_word_name.string(),
editor_word_xpos, editor_word_ypos, editor_word_width,
editor_word_height, 4000, 4000, true);
BlnEventHandler* a = new BlnEventHandler();
bln_word_window->AddEventHandler(a);
pgeditor_msg("Creating BLN word window...Done");
}
return bln_word_window;
}
/**
* build_image_window()
*
* Destroy the existing image window if there is one. Work out how big the
* new window needs to be. Create it and re-display.
*/
void build_image_window(TBOX page_bounding_box) {
if (image_win != NULL) { delete image_win; }
image_win = new ScrollView(editor_image_win_name.string(),
editor_image_xpos, editor_image_ypos,
page_bounding_box.right() + 1,
page_bounding_box.top() +
editor_image_menuheight + 1,
page_bounding_box.right() + 1,
page_bounding_box.top() + 1,
true);
}
/**
* build_menu()
*
* Construct the menu tree used by the command window
*/
namespace tesseract {
SVMenuNode *Tesseract::build_menu_new() {
SVMenuNode* parent_menu;
SVMenuNode* root_menu_item = new SVMenuNode();
SVMenuNode* modes_menu_item = root_menu_item->AddChild("MODES");
modes_menu_item->AddChild("Change Display",
CHANGE_DISP_CMD_EVENT);
modes_menu_item->AddChild("Delete",
DELETE_CMD_EVENT);
modes_menu_item->AddChild("Copy to TARGET",
COPY_CMD_EVENT);
modes_menu_item->AddChild("Change Text",
CHANGE_TEXT_CMD_EVENT);
modes_menu_item->AddChild("Toggle Correct Seg Flg",
TOGGLE_SEG_CMD_EVENT);
modes_menu_item->AddChild("Dump Word",
DUMP_WERD_CMD_EVENT);
modes_menu_item->AddChild("Show Point",
SHOW_POINT_CMD_EVENT);
modes_menu_item->AddChild("Row gaps hist",
ROW_SPACE_STAT_CMD_EVENT);
modes_menu_item->AddChild("Block gaps hist",
BLOCK_SPACE_STAT_CMD_EVENT);
modes_menu_item->AddChild("Show BL Norm Word",
SHOW_BLN_WERD_CMD_EVENT);
modes_menu_item->AddChild("Re-Segment Word",
SEGMENT_WERD_CMD_EVENT);
modes_menu_item->AddChild("Recog Words",
RECOG_WERDS);
modes_menu_item->AddChild("Recog Blobs",
RECOG_PSEUDO);
parent_menu = root_menu_item->AddChild("DISPLAY");
parent_menu->AddChild("Bounding Boxes",
BOUNDING_BOX_CMD_EVENT, FALSE);
parent_menu->AddChild("Correct Text",
CORRECT_TEXT_CMD_EVENT, FALSE);
parent_menu->AddChild("Polygonal Approx",
POLYGONAL_CMD_EVENT, FALSE);
parent_menu->AddChild("Baseline Normalised",
BL_NORM_CMD_EVENT, FALSE);
parent_menu->AddChild("Edge Steps",
BITMAP_CMD_EVENT, TRUE);
parent_menu = root_menu_item->AddChild("OTHER");
parent_menu->AddChild("Quit",
QUIT_CMD_EVENT);
parent_menu->AddChild("Tidy Target",
TIDY_CMD_EVENT);
parent_menu->AddChild("View TARGET",
VIEW_CMD_EVENT, FALSE);
parent_menu->AddChild("Show Image",
IMAGE_CMD_EVENT, FALSE);
parent_menu->AddChild("ShowBlock Outlines",
BLOCKS_CMD_EVENT, FALSE);
parent_menu->AddChild("Show Baselines",
BASELINES_CMD_EVENT, FALSE);
parent_menu->AddChild("Write File",
WRITE_CMD_EVENT, imagebasename.string());
parent_menu->AddChild("New Source File",
NEW_SOURCE_CMD_EVENT, imagebasename.string());
parent_menu->AddChild("Uniform Display",
UNIFORM_DISP_CMD_EVENT);
parent_menu->AddChild("Refresh Display",
REFRESH_CMD_EVENT);
return root_menu_item;
}
} // namespace tesseract
/**
* display_bln_lines()
*
* Display normalised baseline, x-height, ascender limit and descender limit
*/
void display_bln_lines(ScrollView* window,
ScrollView::Color colour,
float scale_factor,
float y_offset,
float minx,
float maxx) {
window->Pen(colour);
window->Line(minx, y_offset + scale_factor * DESC_HEIGHT,
maxx, y_offset + scale_factor * DESC_HEIGHT);
window->Line(minx, y_offset + scale_factor * BL_HEIGHT,
maxx, y_offset + scale_factor * BL_HEIGHT);
window->Line(minx, y_offset + scale_factor * X_HEIGHT,
maxx, y_offset + scale_factor * X_HEIGHT);
window->Line(minx, y_offset + scale_factor * ASC_HEIGHT,
maxx, y_offset + scale_factor * ASC_HEIGHT);
}
/**
* do_new_source()
*
* Change to another source file. Automatically tidy page first
*
*/
namespace tesseract {
void Tesseract::do_new_source( // serialise
) {
FILE *infp; // input file
char* name = image_win->ShowInputDialog("New Source File name");
STRING name_str(name);
delete[] name;
if (source_changed) {
int a = image_win->ShowYesNoDialog(
"Source changes will be LOST. Continue?(Y/N)");
if (a != 'y') { image_win->AddMessage("Write cancelled"); return; }
}
// if not file exists
if (!(infp = fopen(name_str.string(), "r"))) {
image_win->AddMessage("Cant open file " "%s" "", name_str.string());
return;
}
fclose(infp);
image_win->AddMessage("Reading file " "%s" "...", name_str.string());
source_block_list->clear();
// appends to SOURCE
pgeditor_read_file(name_str, source_block_list);
source_changed = FALSE;
image_win->AddMessage("Doing automatic Tidy Target...");
viewing_source = FALSE; // Force viewing source
do_tidy_cmd();
image_win->AddMessage("Doing automatic Tidy Target...Done");
}
} // namespace tesseract
/**
* do_re_display()
*
* Redisplay page
*/
void
// function to call
do_re_display(BOOL8 word_painter(
BLOCK *, ROW *, WERD *)) {
BLOCK_IT block_it(current_block_list);
BLOCK *block;
int block_count = 1;
ROW_IT row_it;
ROW *row;
WERD_IT word_it;
WERD *word;
image_win->Clear();
if (display_image != 0) {
sv_show_sub_image(&page_image, 0, 0,
page_image.get_xsize(), page_image.get_ysize(),
image_win, 0, 0);
}
for (block_it.mark_cycle_pt();
!block_it.cycled_list(); block_it.forward()) {
block = block_it.data();
row_it.set_to_list(block->row_list());
for (row_it.mark_cycle_pt(); !row_it.cycled_list(); row_it.forward()) {
row = row_it.data();
word_it.set_to_list(row->word_list());
for (word_it.mark_cycle_pt();
!word_it.cycled_list(); word_it.forward()) {
word = word_it.data();
word_painter(block, row, word);
}
if (display_baselines)
row->plot_baseline(image_win, ScrollView::GREEN);
}
if (display_blocks)
block->plot(image_win, block_count++, ScrollView::RED);
}
image_win->Update();
}
/**
* do_tidy_cmd()
*
* Tidy TARGET page
*/
const TBOX do_tidy_cmd() { // tidy
ICOORD shift_vector;
TBOX tidy_box; // Just the tidy area
TBOX source_box; // source file area
source_box = block_list_bounding_box(source_block_list);
// find src area
if (!target_block_list.empty()) {
tidy_box = block_list_compress(&target_block_list);
/* Shift tidied target above the source image area. */
shift_vector = ICOORD(0, source_box.top() + BLOCK_SPACING)
- tidy_box.botleft();
block_list_move(&target_block_list, shift_vector);
tidy_box.move(shift_vector);
}
source_box += tidy_box;
// big enough for both
build_image_window(source_box);
do_view_cmd();
return tidy_box;
}
/**
* do_view_cmd()
*
* View TARGET/View SOURCE command
*/
void do_view_cmd() {
viewing_source = !viewing_source;
image_win->Clear();
if (viewing_source) {
current_block_list = source_block_list;
current_image_changed = &source_changed;
other_block_list = &target_block_list;
other_image_changed = &target_changed;
do_re_display(&word_display);
}
else {
current_block_list = &target_block_list;
current_image_changed = &target_changed;
other_block_list = source_block_list;
other_image_changed = &source_changed;
do_re_display(&word_display);
}
}
/**
* do_write_file()
*
* Serialise a block list to file
*
* If writing image, tidy page and move to(0,0) first
*/
void do_write_file( // serialise
) {
char* name = image_win->ShowInputDialog("File Name");
FILE *infp; // input file
char msg_str[80];
TBOX enclosing_box;
// if file exists
if ((infp = fopen(name, "r")) != NULL) {
fclose(infp);
sprintf(msg_str, "Overwrite file " "%s" "?(Y/N)", name);
int a = image_win->ShowYesNoDialog(msg_str);
if (a != 'y') { image_win->AddMessage("Write cancelled"); delete[] name; return; }
}
infp = fopen(name, "w"); // can we write to it?
if (infp == NULL) {
image_win->AddMessage("Cant write to file " "%s" "", name);
delete[] name;
return;
}
fclose(infp);
delete [] name;
if (!viewing_source && !target_block_list.empty()) {
// Tidy & move to(0,0)
image_win->AddMessage("Automatic tidy...");
viewing_source = TRUE; // Stay viewing target!
enclosing_box = do_tidy_cmd();
block_list_move(&target_block_list, -enclosing_box.botleft());
image_win->AddMessage("Writing file...");
pgeditor_write_file(name, &target_block_list);
// move back
block_list_move(&target_block_list,
enclosing_box.botleft());
}
else {
image_win->AddMessage("Writing file...");
pgeditor_write_file(name, current_block_list);
}
image_win->AddMessage("Writing file...Done");
*current_image_changed = FALSE;
}
/**
* notify()
*
* Event handler that processes incoming events, either forwarding
* them to process_cmd_win_event or process_image_event.
*
*/
void PGEventHandler::Notify(const SVEvent* event) {
char myval = '0';
if (event->type == SVET_POPUP) {
ve->Notify(event);
} // These are handled by Var. Editor
else if (event->type == SVET_EXIT) { stillRunning = false; }
else if (event->type == SVET_MENU) {
if (strcmp(event->parameter, "true") == 0) { myval = 'T'; }
else if (strcmp(event->parameter, "false") == 0) { myval = 'F'; }
tess_->process_cmd_win_event(event->command_id, &myval);
}
else {
tess_->process_image_event(*event);
// else pgeditor_show_point(*event);
}
current_word_quit.set_value(FALSE);
selection_quit.set_value(FALSE);
// replot all var wins
}
/**
* pgeditor_main()
*
* Top level editor operation:
* Setup a new window and an according event handler
*
*/
namespace tesseract {
void Tesseract::pgeditor_main(BLOCK_LIST *blocks) {
source_block_list = blocks;
current_block_list = blocks;
if (current_block_list->empty())
return;
stillRunning = true;
build_image_window(block_list_bounding_box(source_block_list));
word_display_mode.turn_on_bit(DF_EDGE_STEP);
do_re_display(&word_set_display);
#ifndef GRAPHICS_DISABLED
ve = new VariablesEditor(this, image_win);
#endif
PGEventHandler pgEventHandler(this);
image_win->AddEventHandler(&pgEventHandler);
image_win->AddMessageBox();
SVMenuNode* svMenuRoot = build_menu_new();
svMenuRoot->BuildMenu(image_win);
image_win->SetVisible(true);
image_win->AwaitEvent(SVET_DESTROY);
image_win->AddEventHandler(NULL);
}
} // namespace tesseract
/**
* pgeditor_msg()
*
* Display a message - in the command window if there is one, or to stdout
*/
void pgeditor_msg( // message display
const char *msg) {
image_win->AddMessage(msg);
}
/**
* pgeditor_read_file()
*
* Deserialise source file
*/
namespace tesseract {
void Tesseract::pgeditor_read_file( // of serialised file
STRING &filename,
BLOCK_LIST *blocks // block list to add to
) {
STRING name = filename; //truncated name
const char *lastdot; //of name
TO_BLOCK_LIST land_blocks, port_blocks;
TBOX page_box;
lastdot = strrchr (name.string (), '.');
if (lastdot != NULL)
name[lastdot-name.string()] = '\0';
if (!read_unlv_file(name, page_image.get_xsize(), page_image.get_ysize(),
blocks))
FullPageBlock(page_image.get_xsize(), page_image.get_ysize(), blocks);
find_components(blocks, &land_blocks, &port_blocks, &page_box);
textord_page(page_box.topright(), blocks, &land_blocks, &port_blocks, this);
}
} // namespace tesseract
/**
* pgeditor_show_point()
*
* Display the coordinates of a point in the command window
*/
void pgeditor_show_point( // display coords
SVEvent *event) {
image_win->AddMessage("Pointing at(%d, %d)", event->x, event->y);
}
/**
* pgeditor_write_file()
*
* Serialise a block list to file
*
*/
void pgeditor_write_file( // serialise
char *name, // file name
BLOCK_LIST *blocks // block list to write
) {
FILE *infp; // input file
BLOCK_IT block_it(blocks); // block iterator
BLOCK *block; // current block
ROW_IT row_it; // row iterator
infp = fopen(name, "w"); // create output file
if (infp == NULL)
CANTCREATEFILE.error("pgeditor_write_file", EXIT, name);
for (block_it.mark_cycle_pt();
!block_it.cycled_list(); block_it.forward()) {
block = block_it.extract();
row_it.set_to_list(block->row_list());
for (row_it.mark_cycle_pt(); !row_it.cycled_list(); row_it.forward())
// ensure correct
row_it.data()->recalc_bounding_box();
block->serialise(infp); // serialize non-empty
block_it.add_after_then_move(block);
}
fclose(infp);
}
/**
* process_cmd_win_event()
*
* Process a command returned from the command window
* (Just call the appropriate command handler)
*/
namespace tesseract {
BOOL8 Tesseract::process_cmd_win_event( // UI command semantics
inT32 cmd_event, // which menu item?
char *new_value // any prompt data
) {
char msg[160];
BOOL8 exit = FALSE;
switch(cmd_event) {
case NULL_CMD_EVENT:
break;
case VIEW_CMD_EVENT:
do_view_cmd();
break;
case CHANGE_DISP_CMD_EVENT:
case DELETE_CMD_EVENT:
case CHANGE_TEXT_CMD_EVENT:
case TOGGLE_SEG_CMD_EVENT:
case DUMP_WERD_CMD_EVENT:
case SHOW_POINT_CMD_EVENT:
case ROW_SPACE_STAT_CMD_EVENT:
case BLOCK_SPACE_STAT_CMD_EVENT:
case SHOW_BLN_WERD_CMD_EVENT:
case SEGMENT_WERD_CMD_EVENT:
mode =(CMD_EVENTS) cmd_event;
break;
case COPY_CMD_EVENT:
mode =(CMD_EVENTS) cmd_event;
if (!viewing_source)
image_win->AddMessage("Can't COPY while viewing target!");
break;
case BOUNDING_BOX_CMD_EVENT:
if (new_value[0] == 'T')
word_display_mode.turn_on_bit(DF_BOX);
else
word_display_mode.turn_off_bit(DF_BOX);
mode = CHANGE_DISP_CMD_EVENT;
break;
case CORRECT_TEXT_CMD_EVENT:
if (new_value[0] == 'T')
word_display_mode.turn_on_bit(DF_TEXT);
else
word_display_mode.turn_off_bit(DF_TEXT);
mode = CHANGE_DISP_CMD_EVENT;
break;
case POLYGONAL_CMD_EVENT:
if (new_value[0] == 'T')
word_display_mode.turn_on_bit(DF_POLYGONAL);
else
word_display_mode.turn_off_bit(DF_POLYGONAL);
mode = CHANGE_DISP_CMD_EVENT;
break;
case BL_NORM_CMD_EVENT:
if (new_value[0] == 'T')
word_display_mode.turn_on_bit(DF_BN_POLYGONAL);
else
word_display_mode.turn_off_bit(DF_BN_POLYGONAL);
mode = CHANGE_DISP_CMD_EVENT;
break;
case BITMAP_CMD_EVENT:
if (new_value[0] == 'T')
word_display_mode.turn_on_bit(DF_EDGE_STEP);
else
word_display_mode.turn_off_bit(DF_EDGE_STEP);
mode = CHANGE_DISP_CMD_EVENT;
break;
case UNIFORM_DISP_CMD_EVENT:
do_re_display(&word_set_display);
*current_image_changed = TRUE;
break;
case WRITE_CMD_EVENT:
do_write_file();
break;
case TIDY_CMD_EVENT:
if (!target_block_list.empty()) {
viewing_source = TRUE; // Force viewing target
do_tidy_cmd();
}
break;
case NEW_SOURCE_CMD_EVENT:
do_new_source();
break;
case IMAGE_CMD_EVENT:
display_image =(new_value[0] == 'T');
do_re_display(&word_display);
break;
case BLOCKS_CMD_EVENT:
display_blocks =(new_value[0] == 'T');
do_re_display(&word_display);
break;
case BASELINES_CMD_EVENT:
display_baselines =(new_value[0] == 'T');
do_re_display(&word_display);
break;
case REFRESH_CMD_EVENT:
do_re_display(&word_display);
break;
case QUIT_CMD_EVENT:
if (source_changed || target_changed) {
int a = image_win->ShowYesNoDialog(
"Changes not saved. Exit anyway?(Y/N)");
if (a == 'y') { exit = TRUE; ScrollView::Exit(); }
}
else {
exit = TRUE;
ScrollView::Exit();
}
break;
case RECOG_WERDS:
mode = RECOG_WERDS;
break;
case RECOG_PSEUDO:
mode = RECOG_PSEUDO;
break;
default:
sprintf(msg, "Unrecognised event " INT32FORMAT "(%s)",
cmd_event, new_value);
image_win->AddMessage(msg);
break;
}
return exit;
}
/**
* process_image_event()
*
* User has done something in the image window - mouse down or up. Work out
* what it is and do something with it.
* If DOWN - just remember where it was.
* If UP - for each word in the selected area do the operation defined by
* the current mode.
*/
void Tesseract::process_image_event( // action in image win
const SVEvent &event) {
static ICOORD down;
ICOORD up;
TBOX selection_box;
char msg[80];
switch(event.type) {
case SVET_SELECTION:
if (event.type == SVET_SELECTION) {
down.set_x(event.x - event.x_size);
down.set_y(event.y + event.y_size);
if (mode == SHOW_POINT_CMD_EVENT)
show_point(current_block_list, event.x, event.y);
}
up.set_x(event.x);
up.set_y(event.y);
selection_box = TBOX(down, up);
switch(mode) {
case CHANGE_DISP_CMD_EVENT:
::process_selected_words(current_block_list,
selection_box,
&word_blank_and_set_display);
break;
case COPY_CMD_EVENT:
if (!viewing_source)
image_win->AddMessage("Can't COPY while viewing target!");
else
::process_selected_words(current_block_list,
selection_box,
&word_copy);
break;
case DELETE_CMD_EVENT:
::process_selected_words_it(current_block_list,
selection_box,
&word_delete);
break;
case CHANGE_TEXT_CMD_EVENT:
::process_selected_words(current_block_list,
selection_box,
&word_change_text);
break;
case TOGGLE_SEG_CMD_EVENT:
::process_selected_words(current_block_list,
selection_box,
&word_toggle_seg);
break;
case DUMP_WERD_CMD_EVENT:
::process_selected_words(current_block_list,
selection_box,
&word_dumper);
break;
case SHOW_BLN_WERD_CMD_EVENT:
::process_selected_words(current_block_list,
selection_box,
&word_bln_display);
break;
case SEGMENT_WERD_CMD_EVENT:
re_segment_word(current_block_list, selection_box);
break;
case ROW_SPACE_STAT_CMD_EVENT:
row_space_stat(current_block_list, selection_box);
break;
case BLOCK_SPACE_STAT_CMD_EVENT:
block_space_stat(current_block_list, selection_box);
break;
case SHOW_POINT_CMD_EVENT:
break; // ignore up event
case RECOG_WERDS:
image_win->AddMessage("Recogging selected words");
this->process_selected_words(current_block_list,
selection_box,
&Tesseract::recog_interactive);
break;
case RECOG_PSEUDO:
image_win->AddMessage("Recogging selected blobs");
recog_pseudo_word(current_block_list, selection_box);
break;
default:
sprintf(msg, "Mode %d not yet implemented", mode);
image_win->AddMessage(msg);
break;
}
default:
break;
}
}
} // namespace tesseract
/**
* re_scale_and_move_bln_word()
*
* Scale and move a bln word so that it fits in a specified bounding box.
* Scale by width or height to generate the largest image
*/
float re_scale_and_move_bln_word( // put bln word in box
WERD *norm_word, //< BL normalised word
const TBOX &box //< destination box
) {
TBOX norm_box = norm_word->bounding_box();
float width_scale_factor;
float height_scale_factor;
float selected_scale_factor;
width_scale_factor = box.width() /(float) norm_box.width();
height_scale_factor = box.height() /(float) ASC_HEIGHT;
if ((ASC_HEIGHT * width_scale_factor) <= box.height())
selected_scale_factor = width_scale_factor;
else
selected_scale_factor = height_scale_factor;
norm_word->scale(selected_scale_factor);
norm_word->move(ICOORD((box.left() + box.width() / 2), box.bottom()));
return selected_scale_factor;
}
/**
* re_segment_word()
*
* If all selected blobs are in the same row, remove them from their current
* word(s) and put them in a new word. Insert the new word in the row at the
* appropriate point. Delete any empty words.
*
*/
void re_segment_word( // break/join words
BLOCK_LIST *block_list, // blocks to check
TBOX &selection_box) {
BLOCK_IT block_it(block_list);
BLOCK *block;
BLOCK *block_to_process = NULL;
ROW_IT row_it;
ROW *row;
ROW *row_to_process = NULL;
WERD_IT word_it;
WERD *word;
WERD *new_word = NULL;
BOOL8 polyg = false;
PBLOB_IT blob_it;
PBLOB_LIST dummy; // Just to initialize new_blob_it.
PBLOB_IT new_blob_it = &dummy;
PBLOB *blob;
/* Find row to process - error if selections from more than one row */
for (block_it.mark_cycle_pt();
!block_it.cycled_list(); block_it.forward()) {
block = block_it.data();
if (block->bounding_box().overlap(selection_box)) {
row_it.set_to_list(block->row_list());
for (row_it.mark_cycle_pt();
!row_it.cycled_list(); row_it.forward()) {
row = row_it.data();
if (row->bounding_box().overlap(selection_box)) {
if (row_to_process == NULL) {
block_to_process = block;
row_to_process = row;
}
else {
image_win->AddMessage("Cant resegment words "
"in more than one row");
return;
}
}
}
}
}
/* Continue with row_to_process */
word_it.set_to_list(row_to_process->word_list());
for (word_it.mark_cycle_pt(); !word_it.cycled_list(); word_it.forward()) {
word = word_it.data();
polyg = word->flag(W_POLYGON);
if (word->bounding_box().overlap(selection_box)) {
blob_it.set_to_list(word->gblob_list());
for (blob_it.mark_cycle_pt();
!blob_it.cycled_list(); blob_it.forward()) {
blob = blob_it.data();
if (gblob_bounding_box(blob, polyg).overlap(selection_box)) {
if (new_word == NULL) {
new_word = word->shallow_copy();
new_blob_it.set_to_list(new_word->gblob_list());
}
new_blob_it.add_to_end(blob_it.extract());
// move blob
}
}
if (blob_it.empty()) { // no blobs in word
// so delete word
delete word_it.extract();
}
}
}
if (new_word != NULL) {
gblob_sort_list(new_word->gblob_list(), polyg);
word_it.add_to_end(new_word);
word_it.sort(word_comparator);
row_to_process->bounding_box().plot(image_win,
ScrollView::BLACK, ScrollView::BLACK);
word_it.set_to_list(row_to_process->word_list());
for (word_it.mark_cycle_pt();
!word_it.cycled_list(); word_it.forward())
word_display(block_to_process, row_to_process, word_it.data());
*current_image_changed = TRUE;
}
}
/// show space stats
void block_space_stat(BLOCK_LIST *block_list, // blocks to check
TBOX &selection_box) {
BLOCK_IT block_it(block_list);
BLOCK *block;
ROW_IT row_it;
ROW *row;
int block_idx = 0;
STATS all_gap_stats(0, MAXSPACING);
WERD_IT word_it;
WERD *word;
PBLOB_IT blob_it;
PBLOB *blob;
C_BLOB_IT cblob_it;
C_BLOB *cblob;
TBOX box;
inT16 prev_box_right;
inT16 gap_width;
inT16 min_inter_word_gap;
inT16 max_inter_char_gap;
/* Find blocks to process */
for (block_it.mark_cycle_pt();
!block_it.cycled_list(); block_it.forward()) {
block_idx++;
block = block_it.data();
if (block->bounding_box().overlap(selection_box)) {
/* Process a block */
tprintf("\nBlock %d\n", block_idx);
min_inter_word_gap = 3000;
max_inter_char_gap = 0;
all_gap_stats.clear();
row_it.set_to_list(block->row_list());
for (row_it.mark_cycle_pt();
!row_it.cycled_list(); row_it.forward()) {
row = row_it.data();
prev_box_right = -1;
word_it.set_to_list(row->word_list());
for (word_it.mark_cycle_pt();
!word_it.cycled_list(); word_it.forward()) {
word = word_it.data();
if (word->flag(W_POLYGON)) {
blob_it.set_to_list(word->blob_list());
for (blob_it.mark_cycle_pt();
!blob_it.cycled_list(); blob_it.forward()) {
blob = blob_it.data();
box = blob->bounding_box();
if (prev_box_right > -1) {
gap_width = box.left() - prev_box_right;
all_gap_stats.add(gap_width, 1);
if (blob_it.at_first()) {
if (gap_width < min_inter_word_gap)
min_inter_word_gap = gap_width;
}
else {
if (gap_width > max_inter_char_gap)
max_inter_char_gap = gap_width;
}
}
prev_box_right = box.right();
}
}
else {
cblob_it.set_to_list(word->cblob_list());
for (cblob_it.mark_cycle_pt();
!cblob_it.cycled_list(); cblob_it.forward()) {
cblob = cblob_it.data();
box = cblob->bounding_box();
if (prev_box_right > -1) {
gap_width = box.left() - prev_box_right;
all_gap_stats.add(gap_width, 1);
if (cblob_it.at_first()) {
if (gap_width < min_inter_word_gap)
min_inter_word_gap = gap_width;
}
else {
if (gap_width > max_inter_char_gap)
max_inter_char_gap = gap_width;
}
}
prev_box_right = box.right();
}
}
}
}
tprintf("Max inter char gap = %d.\nMin inter word gap = %d.\n",
max_inter_char_gap, min_inter_word_gap);
all_gap_stats.short_print(NULL, TRUE);
all_gap_stats.smooth(2);
tprintf("SMOOTHED DATA...\n");
all_gap_stats.short_print(NULL, TRUE);
}
}
}
/// show space stats
void row_space_stat(BLOCK_LIST *block_list, // blocks to check
TBOX &selection_box) {
BLOCK_IT block_it(block_list);
BLOCK *block;
ROW_IT row_it;
ROW *row;
int block_idx = 0;
int row_idx;
STATS all_gap_stats(0, MAXSPACING);
WERD_IT word_it;
WERD *word;
PBLOB_IT blob_it;
PBLOB *blob;
C_BLOB_IT cblob_it;
C_BLOB *cblob;
TBOX box;
inT16 prev_box_right;
inT16 gap_width;
inT16 min_inter_word_gap;
inT16 max_inter_char_gap;
/* Find rows to process */
for (block_it.mark_cycle_pt();
!block_it.cycled_list(); block_it.forward()) {
block_idx++;
block = block_it.data();
if (block->bounding_box().overlap(selection_box)) {
row_it.set_to_list(block->row_list());
row_idx = 0;
for (row_it.mark_cycle_pt();
!row_it.cycled_list(); row_it.forward()) {
row_idx++;
row = row_it.data();
if (row->bounding_box().overlap(selection_box)) {
/* Process a row */
tprintf("\nBlock %d Row %d\n", block_idx, row_idx);
min_inter_word_gap = 3000;
max_inter_char_gap = 0;
prev_box_right = -1;
all_gap_stats.clear();
word_it.set_to_list(row->word_list());
for (word_it.mark_cycle_pt();
!word_it.cycled_list(); word_it.forward()) {
word = word_it.data();
if (word->flag(W_POLYGON)) {
blob_it.set_to_list(word->blob_list());
for (blob_it.mark_cycle_pt();
!blob_it.cycled_list(); blob_it.forward()) {
blob = blob_it.data();
box = blob->bounding_box();
if (prev_box_right > -1) {
gap_width = box.left() - prev_box_right;
all_gap_stats.add(gap_width, 1);
if (blob_it.at_first()) {
if (gap_width < min_inter_word_gap)
min_inter_word_gap = gap_width;
}
else {
if (gap_width > max_inter_char_gap)
max_inter_char_gap = gap_width;
}
}
prev_box_right = box.right();
}
}
else {
cblob_it.set_to_list(word->cblob_list());
for (cblob_it.mark_cycle_pt();
!cblob_it.cycled_list(); cblob_it.forward()) {
cblob = cblob_it.data();
box = cblob->bounding_box();
if (prev_box_right > -1) {
gap_width = box.left() - prev_box_right;
all_gap_stats.add(gap_width, 1);
if (cblob_it.at_first()) {
if (gap_width < min_inter_word_gap)
min_inter_word_gap = gap_width;
}
else {
if (gap_width > max_inter_char_gap)
max_inter_char_gap = gap_width;
}
}
prev_box_right = box.right();
}
}
}
tprintf
("Max inter char gap = %d.\nMin inter word gap = %d.\n",
max_inter_char_gap, min_inter_word_gap);
all_gap_stats.short_print(NULL, TRUE);
all_gap_stats.smooth(2);
tprintf("SMOOTHED DATA...\n");
all_gap_stats.short_print(NULL, TRUE);
}
}
}
}
}
/**
* show_point()
*
* Show coords of point, blob bounding box, word bounding box and offset from
* row baseline
*/
void show_point( // display posn of bloba word
BLOCK_LIST *block_list, // blocks to check
float x,
float y) {
FCOORD pt(x, y);
TBOX box;
BLOCK_IT block_it(block_list);
BLOCK *block;
ROW_IT row_it;
ROW *row;
WERD_IT word_it;
WERD *word;
PBLOB_IT blob_it;
PBLOB *blob;
C_BLOB_IT cblob_it;
C_BLOB *cblob;
char msg[160];
char *msg_ptr = msg;
msg_ptr += sprintf(msg_ptr, "Pt:(%0.3f, %0.3f) ", x, y);
for (block_it.mark_cycle_pt();
!block_it.cycled_list(); block_it.forward()) {
block = block_it.data();
if (block->bounding_box().contains(pt)) {
row_it.set_to_list(block->row_list());
for (row_it.mark_cycle_pt();
!row_it.cycled_list(); row_it.forward()) {
row = row_it.data();
if (row->bounding_box().contains(pt)) {
msg_ptr += sprintf(msg_ptr, "BL(x)=%0.3f ",
row->base_line(x));
word_it.set_to_list(row->word_list());
for (word_it.mark_cycle_pt();
!word_it.cycled_list(); word_it.forward()) {
word = word_it.data();
box = word->bounding_box();
if (box.contains(pt)) {
msg_ptr += sprintf(msg_ptr,
"Wd(%d, %d)/(%d, %d) ",
box.left(), box.bottom(),
box.right(), box.top());
if (word->flag(W_POLYGON)) {
blob_it.set_to_list(word->blob_list());
for (blob_it.mark_cycle_pt();
!blob_it.cycled_list();
blob_it.forward()) {
blob = blob_it.data();
box = blob->bounding_box();
if (box.contains(pt)) {
msg_ptr += sprintf(msg_ptr,
"Blb(%d, %d)/(%d, %d) ",
box.left(),
box.bottom(),
box.right(),
box.top());
}
}
}
else {
cblob_it.set_to_list(word->cblob_list());
for (cblob_it.mark_cycle_pt();
!cblob_it.cycled_list();
cblob_it.forward()) {
cblob = cblob_it.data();
box = cblob->bounding_box();
if (box.contains(pt)) {
msg_ptr += sprintf(msg_ptr,
"CBlb(%d, %d)/(%d, %d) ",
box.left(),
box.bottom(),
box.right(),
box.top());
}
}
}
}
}
}
}
}
}
image_win->AddMessage(msg);
}
/**********************************************************************
* WERD PROCESSOR FUNCTIONS
* ========================
*
* These routines are invoked by one or more of:
* process_all_words()
* process_selected_words()
* or
* process_all_words_it()
* process_selected_words_it()
* for each word to be processed
**********************************************************************/
/**
* word_blank_and_set_display() Word processor
*
* Blank display of word then redisplay word according to current display mode
* settings
*/
BOOL8 word_blank_and_set_display( // display a word
BLOCK *block, // block holding word
ROW *row, // row holding word
WERD *word // word to be processed
) {
word->bounding_box().plot(image_win, ScrollView::BLACK, ScrollView::BLACK);
return word_set_display(block, row, word);
}
/**
* word_bln_display()
*
* Normalise word and display in word window
*/
BOOL8 word_bln_display( // bln & display
BLOCK *, // block holding word
ROW *row, // row holding word
WERD *word // word to be processed
) {
WERD *bln_word;
bln_word = word->poly_copy(row->x_height());
bln_word->baseline_normalise(row);
bln_word_window_handle()->Clear();
display_bln_lines(bln_word_window_handle(), ScrollView::CYAN,
1.0, 0.0f, -1000.0f, 1000.0f);
bln_word->plot(bln_word_window_handle(), ScrollView::RED);
delete bln_word;
return TRUE;
}
/**
* word_change_text()
*
* Change the correct text of a word
*/
BOOL8 word_change_text( // change correct text
BLOCK *block, // block holding word
ROW *row, // row holding word
WERD *word // word to be processed
) {
char* cp = image_win->ShowInputDialog(
"Enter/edit the correct text and press <<RETURN>>");
word->set_text(cp);
delete[] cp;
if (word_display_mode.bit(DF_TEXT) || word->display_flag(DF_TEXT)) {
word_blank_and_set_display(block, row, word);
ScrollView::Update();
}
*current_image_changed = TRUE;
return TRUE;
}
/**
* word_copy()
*
* Copy a word to other display list
*/
BOOL8 word_copy( // copy a word
BLOCK *block, // block holding word
ROW *row, // row holding word
WERD *word // word to be processed
) {
WERD *copy_word = new WERD;
*copy_word = *word;
add_word(copy_word, row, block, other_block_list);
*other_image_changed = TRUE;
return TRUE;
}
/**
* word_delete()
*
* Delete a word
*/
BOOL8 word_delete( // delete a word
BLOCK *block, // block holding word
ROW *row, // row holding word
WERD *word, // word to be processed
BLOCK_IT &block_it, // block list iterator
ROW_IT &row_it, // row list iterator
WERD_IT &word_it // word list iterator
) {
word_it.extract();
word->bounding_box().plot(image_win, ScrollView::BLACK, ScrollView::BLACK);
delete(word);
if (word_it.empty()) { // no words left in row
// so delete row
row_it.extract();
row->bounding_box().plot(image_win, ScrollView::BLACK, ScrollView::BLACK);
delete(row);
if (row_it.empty()) { // no rows left in blk
// so delete block
block_it.extract();
block->bounding_box().plot(image_win, ScrollView::BLACK, ScrollView::BLACK);
delete(block);
}
}
*current_image_changed = TRUE;
return TRUE;
}
/**
* word_display() Word Processor
*
* Display a word according to its display modes
*/
BOOL8 word_display( // display a word
BLOCK *, // block holding word
ROW *row, // row holding word
WERD *word // word to be processed
) {
TBOX word_bb; // word bounding box
int word_height; // ht of word BB
BOOL8 displayed_something = FALSE;
BOOL8 displayed_rainbow = FALSE;
float shift; // from bot left
PBLOB_IT it; // blob iterator
C_BLOB_IT c_it; // cblob iterator
WERD *word_ptr; // poly copy
WERD temp_word;
float scale_factor; // for BN_POLYGON
/*
Note the double coercions of(COLOUR)((inT32)editor_image_word_bb_color)
etc. are to keep the compiler happy.
*/
// display bounding box
if (word->display_flag(DF_BOX)) {
word->bounding_box().plot(image_win,
(ScrollView::Color)((inT32)
editor_image_word_bb_color),
(ScrollView::Color)((inT32)
editor_image_word_bb_color));
ScrollView::Color c = (ScrollView::Color)
((inT32) editor_image_blob_bb_color);
image_win->Pen(c);
if (word->flag(W_POLYGON)) {
it.set_to_list(word->blob_list());
for (it.mark_cycle_pt(); !it.cycled_list(); it.forward())
it.data()->bounding_box().plot(image_win);
}
else {
c_it.set_to_list(word->cblob_list());
for (c_it.mark_cycle_pt(); !c_it.cycled_list(); c_it.forward())
c_it.data()->bounding_box().plot(image_win);
}
displayed_something = TRUE;
}
// display edge steps
if (word->display_flag(DF_EDGE_STEP) &&
!word->flag(W_POLYGON)) { // edgesteps available
word->plot(image_win); // rainbow colors
displayed_something = TRUE;
displayed_rainbow = TRUE;
}
// display poly approx
if (word->display_flag(DF_POLYGONAL)) {
// need to convert
if (!word->flag(W_POLYGON)) {
word_ptr = word->poly_copy(row->x_height());
/* CALL POLYGONAL APPROXIMATOR WHEN AVAILABLE - on a temp_word */
if (displayed_rainbow)
// ensure its visible
word_ptr->plot(image_win, ScrollView::WHITE);
else
// rainbow colors
word_ptr->plot(image_win);
delete word_ptr;
}
else {
if (displayed_rainbow)
// ensure its visible
word->plot(image_win, ScrollView::WHITE);
else
word->plot(image_win); // rainbow colors
}
displayed_rainbow = TRUE;
displayed_something = TRUE;
}
// disp BN poly approx
if (word->display_flag(DF_BN_POLYGONAL)) {
// need to convert
if (!word->flag(W_POLYGON)) {
word_ptr = word->poly_copy(row->x_height());
temp_word = *word_ptr;
delete word_ptr;
/* CALL POLYGONAL APPROXIMATOR WHEN AVAILABLE - on a temp_word */
}
else
temp_word = *word; // copy word
word_bb = word->bounding_box();
if (!temp_word.flag(W_NORMALIZED))
temp_word.baseline_normalise(row);
scale_factor = re_scale_and_move_bln_word(&temp_word, word_bb);
display_bln_lines(image_win, ScrollView::CYAN, scale_factor,
word_bb.bottom(), word_bb.left(), word_bb.right());
if (displayed_rainbow)
// ensure its visible
temp_word.plot(image_win, ScrollView::WHITE);
else
temp_word.plot(image_win); // rainbow colors
displayed_rainbow = TRUE;
displayed_something = TRUE;
}
// display correct text
if (word->display_flag(DF_TEXT)) {
word_bb = word->bounding_box();
ScrollView::Color c =(ScrollView::Color)
((inT32) editor_image_blob_bb_color);
image_win->Pen(c);
word_height = word_bb.height();
image_win->TextAttributes("Times", 0.75 * word_height,
false, false, false);
if (word_height < word_bb.width())
shift = 0.25 * word_height;
else
shift = 0.0f;
image_win->Text(word_bb.left() + shift,
word_bb.bottom() + 0.25 * word_height, word->text());
if (strlen(word->text()) > 0)
displayed_something = TRUE;
}
if (!displayed_something) // display BBox anyway
word->bounding_box().plot(image_win,
(ScrollView::Color)((inT32) editor_image_word_bb_color),
(ScrollView::Color)((inT32)
editor_image_word_bb_color));
return TRUE;
}
/**
* word_dumper()
*
* Dump members to the debug window
*/
BOOL8 word_dumper( // dump word
BLOCK *block, //< block holding word
ROW *row, //< row holding word
WERD *word //< word to be processed
) {
if (block != NULL) {
tprintf("\nBlock data...\n");
block->print(NULL, FALSE);
}
tprintf("\nRow data...\n");
row->print(NULL);
tprintf("\nWord data...\n");
word->print(NULL);
return TRUE;
}
/**
* word_set_display() Word processor
*
* Display word according to current display mode settings
*/
BOOL8 word_set_display( // display a word
BLOCK *block, //< block holding word
ROW *row, //< row holding word
WERD *word //< word to be processed
) {
TBOX word_bb; // word bounding box
word->set_display_flag(DF_BOX, word_display_mode.bit(DF_BOX));
word->set_display_flag(DF_TEXT, word_display_mode.bit(DF_TEXT));
word->set_display_flag(DF_POLYGONAL, word_display_mode.bit(DF_POLYGONAL));
word->set_display_flag(DF_EDGE_STEP, word_display_mode.bit(DF_EDGE_STEP));
word->set_display_flag(DF_BN_POLYGONAL,
word_display_mode.bit(DF_BN_POLYGONAL));
*current_image_changed = TRUE;
return word_display(block, row, word);
}
/**
* word_toggle_seg()
*
* Toggle the correct segmentation flag
*/
BOOL8 word_toggle_seg( // toggle seg flag
BLOCK *, //< block holding word
ROW *, //< row holding word
WERD *word //< word to be processed
) {
word->set_flag(W_SEGMENTED, !word->flag(W_SEGMENTED));
*current_image_changed = TRUE;
return TRUE;
}
#endif // GRAPHICS_DISABLED
/* DEBUG ONLY */
void do_check_mem( // do it
inT32 level) {
check_mem("Doing it", level);
}
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