/********************************************************************** * 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 #include #include "blread.h" #include "control.h" #include "paramsd.h" #include "pageres.h" #include "tordmain.h" #include "scrollview.h" #include "svmnode.h" #include "statistc.h" #include "tesseractclass.h" #include "werdit.h" #ifndef GRAPHICS_DISABLED #define ASC_HEIGHT (2 * kBlnBaselineOffset + kBlnXHeight) #define X_HEIGHT (kBlnBaselineOffset + kBlnXHeight) #define BL_HEIGHT kBlnBaselineOffset #define DESC_HEIGHT 0 #define MAXSPACING 128 /*max expected spacing in pix */ const ERRCODE EMPTYBLOCKLIST = "No blocks to edit"; enum CMD_EVENTS { NULL_CMD_EVENT, CHANGE_DISP_CMD_EVENT, DUMP_WERD_CMD_EVENT, SHOW_POINT_CMD_EVENT, SHOW_BLN_WERD_CMD_EVENT, DEBUG_WERD_CMD_EVENT, BLAMER_CMD_EVENT, BOUNDING_BOX_CMD_EVENT, CORRECT_TEXT_CMD_EVENT, POLYGONAL_CMD_EVENT, BL_NORM_CMD_EVENT, BITMAP_CMD_EVENT, IMAGE_CMD_EVENT, BLOCKS_CMD_EVENT, BASELINES_CMD_EVENT, UNIFORM_DISP_CMD_EVENT, REFRESH_CMD_EVENT, QUIT_CMD_EVENT, RECOG_WERDS, RECOG_PSEUDO, SHOW_BLOB_FEATURES, SHOW_SUBSCRIPT_CMD_EVENT, SHOW_SUPERSCRIPT_CMD_EVENT, SHOW_ITALIC_CMD_EVENT, SHOW_BOLD_CMD_EVENT, SHOW_UNDERLINE_CMD_EVENT, SHOW_FIXEDPITCH_CMD_EVENT, SHOW_SERIF_CMD_EVENT, SHOW_SMALLCAPS_CMD_EVENT, SHOW_DROPCAPS_CMD_EVENT, }; enum ColorationMode { CM_RAINBOW, CM_SUBSCRIPT, CM_SUPERSCRIPT, CM_ITALIC, CM_BOLD, CM_UNDERLINE, CM_FIXEDPITCH, CM_SERIF, CM_SMALLCAPS, CM_DROPCAPS }; /* * * Some global data * */ ScrollView* image_win; ParamsEditor* pe; bool stillRunning = false; #ifdef __UNIX__ FILE *debug_window = NULL; // opened on demand #endif ScrollView* bln_word_window = NULL; // baseline norm words CMD_EVENTS mode = CHANGE_DISP_CMD_EVENT; // selected words op bool recog_done = false; // recog_all_words was called // These variables should remain global, since they are only used for the // debug mode (in which only a single Tesseract thread/instance will be exist). BITS16 word_display_mode; static ColorationMode color_mode = CM_RAINBOW; BOOL8 display_image = FALSE; BOOL8 display_blocks = FALSE; BOOL8 display_baselines = FALSE; PAGE_RES *current_page_res = NULL; STRING_VAR(editor_image_win_name, "EditorImage", "Editor image window name"); INT_VAR(editor_image_xpos, 590, "Editor image X Pos"); INT_VAR(editor_image_ypos, 10, "Editor image Y Pos"); INT_VAR(editor_image_menuheight, 50, "Add to image height for menu bar"); INT_VAR(editor_image_word_bb_color, ScrollView::BLUE, "Word bounding box colour"); INT_VAR(editor_image_blob_bb_color, ScrollView::YELLOW, "Blob bounding box colour"); INT_VAR(editor_image_text_color, ScrollView::WHITE, "Correct text colour"); STRING_VAR(editor_dbwin_name, "EditorDBWin", "Editor debug window name"); INT_VAR(editor_dbwin_xpos, 50, "Editor debug window X Pos"); INT_VAR(editor_dbwin_ypos, 500, "Editor debug window Y Pos"); INT_VAR(editor_dbwin_height, 24, "Editor debug window height"); INT_VAR(editor_dbwin_width, 80, "Editor debug window width"); STRING_VAR(editor_word_name, "BlnWords", "BL normalized word window"); INT_VAR(editor_word_xpos, 60, "Word window X Pos"); INT_VAR(editor_word_ypos, 510, "Word window Y Pos"); INT_VAR(editor_word_height, 240, "Word window height"); INT_VAR(editor_word_width, 655, "Word window width"); STRING_VAR(editor_debug_config_file, "", "Config file to apply to single words"); 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_page_res, 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(int width, int height) { delete image_win; image_win = new ScrollView(editor_image_win_name.string(), editor_image_xpos, editor_image_ypos, width + 1, height + editor_image_menuheight + 1, width, height, true); } /** * display_bln_lines() * * Display normalized 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); } /** * 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) { pe->Notify(event); } // These are handled by ParamsEditor 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); } } /** * 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("Dump Word", DUMP_WERD_CMD_EVENT); modes_menu_item->AddChild("Show Point", SHOW_POINT_CMD_EVENT); modes_menu_item->AddChild("Show BL Norm Word", SHOW_BLN_WERD_CMD_EVENT); modes_menu_item->AddChild("Config Words", DEBUG_WERD_CMD_EVENT); modes_menu_item->AddChild("Recog Words", RECOG_WERDS); modes_menu_item->AddChild("Recog Blobs", RECOG_PSEUDO); modes_menu_item->AddChild("Show Blob Features", SHOW_BLOB_FEATURES); parent_menu = root_menu_item->AddChild("DISPLAY"); parent_menu->AddChild("Blamer", BLAMER_CMD_EVENT, FALSE); 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 Normalized", BL_NORM_CMD_EVENT, FALSE); parent_menu->AddChild("Edge Steps", BITMAP_CMD_EVENT, TRUE); parent_menu->AddChild("Subscripts", SHOW_SUBSCRIPT_CMD_EVENT); parent_menu->AddChild("Superscripts", SHOW_SUPERSCRIPT_CMD_EVENT); parent_menu->AddChild("Italics", SHOW_ITALIC_CMD_EVENT); parent_menu->AddChild("Bold", SHOW_BOLD_CMD_EVENT); parent_menu->AddChild("Underline", SHOW_UNDERLINE_CMD_EVENT); parent_menu->AddChild("FixedPitch", SHOW_FIXEDPITCH_CMD_EVENT); parent_menu->AddChild("Serifs", SHOW_SERIF_CMD_EVENT); parent_menu->AddChild("SmallCaps", SHOW_SMALLCAPS_CMD_EVENT); parent_menu->AddChild("DropCaps", SHOW_DROPCAPS_CMD_EVENT); parent_menu = root_menu_item->AddChild("OTHER"); parent_menu->AddChild("Quit", QUIT_CMD_EVENT); 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("Uniform Display", UNIFORM_DISP_CMD_EVENT); parent_menu->AddChild("Refresh Display", REFRESH_CMD_EVENT); return root_menu_item; } /** * do_re_display() * * Redisplay page */ void Tesseract::do_re_display( BOOL8(tesseract::Tesseract::*word_painter)(PAGE_RES_IT* pr_it)) { int block_count = 1; image_win->Clear(); if (display_image != 0) { image_win->Image(pix_binary_, 0, 0); } image_win->Brush(ScrollView::NONE); PAGE_RES_IT pr_it(current_page_res); for (WERD_RES* word = pr_it.word(); word != NULL; word = pr_it.forward()) { (this->*word_painter)(&pr_it); if (display_baselines && pr_it.row() != pr_it.prev_row()) pr_it.row()->row->plot_baseline(image_win, ScrollView::GREEN); if (display_blocks && pr_it.block() != pr_it.prev_block()) pr_it.block()->block->plot(image_win, block_count++, ScrollView::RED); } image_win->Update(); } /** * pgeditor_main() * * Top level editor operation: * Setup a new window and an according event handler * */ void Tesseract::pgeditor_main(int width, int height, PAGE_RES *page_res) { current_page_res = page_res; if (current_page_res->block_res_list.empty()) return; recog_done = false; stillRunning = true; build_image_window(width, height); word_display_mode.turn_on_bit(DF_EDGE_STEP); do_re_display(&tesseract::Tesseract::word_set_display); #ifndef GRAPHICS_DISABLED pe = new ParamsEditor(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_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); } /** * 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; color_mode = CM_RAINBOW; // Run recognition on the full page if needed. switch (cmd_event) { case BLAMER_CMD_EVENT: case SHOW_SUBSCRIPT_CMD_EVENT: case SHOW_SUPERSCRIPT_CMD_EVENT: case SHOW_ITALIC_CMD_EVENT: case SHOW_BOLD_CMD_EVENT: case SHOW_UNDERLINE_CMD_EVENT: case SHOW_FIXEDPITCH_CMD_EVENT: case SHOW_SERIF_CMD_EVENT: case SHOW_SMALLCAPS_CMD_EVENT: case SHOW_DROPCAPS_CMD_EVENT: if (!recog_done) { recog_all_words(current_page_res, NULL, NULL, NULL, 0); recog_done = true; } break; default: break; } switch (cmd_event) { case NULL_CMD_EVENT: break; case CHANGE_DISP_CMD_EVENT: case DUMP_WERD_CMD_EVENT: case SHOW_POINT_CMD_EVENT: case SHOW_BLN_WERD_CMD_EVENT: case RECOG_WERDS: case RECOG_PSEUDO: case SHOW_BLOB_FEATURES: mode = (CMD_EVENTS)cmd_event; break; case DEBUG_WERD_CMD_EVENT: mode = DEBUG_WERD_CMD_EVENT; word_config_ = image_win->ShowInputDialog("Config File Name"); 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 BLAMER_CMD_EVENT: if (new_value[0] == 'T') word_display_mode.turn_on_bit(DF_BLAMER); else word_display_mode.turn_off_bit(DF_BLAMER); do_re_display(&tesseract::Tesseract::word_display); 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(&tesseract::Tesseract::word_set_display); break; case IMAGE_CMD_EVENT: display_image = (new_value[0] == 'T'); do_re_display(&tesseract::Tesseract::word_display); break; case BLOCKS_CMD_EVENT: display_blocks = (new_value[0] == 'T'); do_re_display(&tesseract::Tesseract::word_display); break; case BASELINES_CMD_EVENT: display_baselines = (new_value[0] == 'T'); do_re_display(&tesseract::Tesseract::word_display); break; case SHOW_SUBSCRIPT_CMD_EVENT: color_mode = CM_SUBSCRIPT; do_re_display(&tesseract::Tesseract::word_display); break; case SHOW_SUPERSCRIPT_CMD_EVENT: color_mode = CM_SUPERSCRIPT; do_re_display(&tesseract::Tesseract::word_display); break; case SHOW_ITALIC_CMD_EVENT: color_mode = CM_ITALIC; do_re_display(&tesseract::Tesseract::word_display); break; case SHOW_BOLD_CMD_EVENT: color_mode = CM_BOLD; do_re_display(&tesseract::Tesseract::word_display); break; case SHOW_UNDERLINE_CMD_EVENT: color_mode = CM_UNDERLINE; do_re_display(&tesseract::Tesseract::word_display); break; case SHOW_FIXEDPITCH_CMD_EVENT: color_mode = CM_FIXEDPITCH; do_re_display(&tesseract::Tesseract::word_display); break; case SHOW_SERIF_CMD_EVENT: color_mode = CM_SERIF; do_re_display(&tesseract::Tesseract::word_display); break; case SHOW_SMALLCAPS_CMD_EVENT: color_mode = CM_SMALLCAPS; do_re_display(&tesseract::Tesseract::word_display); break; case SHOW_DROPCAPS_CMD_EVENT: color_mode = CM_DROPCAPS; do_re_display(&tesseract::Tesseract::word_display); break; case REFRESH_CMD_EVENT: do_re_display(&tesseract::Tesseract::word_display); break; case QUIT_CMD_EVENT: exit = TRUE; ScrollView::Exit(); 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) { // The following variable should remain static, since it is used by // debug editor, which uses a single Tesseract instance. 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_page_res, 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_page_res, selection_box, &tesseract::Tesseract::word_blank_and_set_display); break; case DUMP_WERD_CMD_EVENT: process_selected_words(current_page_res, selection_box, &tesseract::Tesseract::word_dumper); break; case SHOW_BLN_WERD_CMD_EVENT: process_selected_words(current_page_res, selection_box, &tesseract::Tesseract::word_bln_display); break; case DEBUG_WERD_CMD_EVENT: debug_word(current_page_res, 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_page_res, selection_box, &Tesseract::recog_interactive); break; case RECOG_PSEUDO: image_win->AddMessage("Recogging selected blobs"); recog_pseudo_word(current_page_res, selection_box); break; case SHOW_BLOB_FEATURES: blob_feature_display(current_page_res, selection_box); break; default: sprintf(msg, "Mode %d not yet implemented", mode); image_win->AddMessage(msg); break; } default: break; } } /** * debug_word * * Process the whole image, but load word_config_ for the selected word(s). */ void Tesseract::debug_word(PAGE_RES* page_res, const TBOX &selection_box) { ResetAdaptiveClassifier(); recog_all_words(page_res, NULL, &selection_box, word_config_.string(), 0); } } // namespace tesseract /** * show_point() * * Show coords of point, blob bounding box, word bounding box and offset from * row baseline */ void show_point(PAGE_RES* page_res, float x, float y) { FCOORD pt(x, y); PAGE_RES_IT pr_it(page_res); const int kBufsize = 512; char msg[kBufsize]; char *msg_ptr = msg; msg_ptr += sprintf(msg_ptr, "Pt:(%0.3f, %0.3f) ", x, y); for (WERD_RES* word = pr_it.word(); word != NULL; word = pr_it.forward()) { if (pr_it.row() != pr_it.prev_row() && pr_it.row()->row->bounding_box().contains(pt)) { msg_ptr += sprintf(msg_ptr, "BL(x)=%0.3f ", pr_it.row()->row->base_line(x)); } if (word->word->bounding_box().contains(pt)) { TBOX box = word->word->bounding_box(); msg_ptr += sprintf(msg_ptr, "Wd(%d, %d)/(%d, %d) ", box.left(), box.bottom(), box.right(), box.top()); C_BLOB_IT cblob_it(word->word->cblob_list()); for (cblob_it.mark_cycle_pt(); !cblob_it.cycled_list(); cblob_it.forward()) { C_BLOB* 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 */ #endif // GRAPHICS_DISABLED namespace tesseract { #ifndef GRAPHICS_DISABLED BOOL8 Tesseract::word_blank_and_set_display(PAGE_RES_IT* pr_it) { pr_it->word()->word->bounding_box().plot(image_win, ScrollView::BLACK, ScrollView::BLACK); return word_set_display(pr_it); } /** * word_bln_display() * * Normalize word and display in word window */ BOOL8 Tesseract::word_bln_display(PAGE_RES_IT* pr_it) { WERD_RES* word_res = pr_it->word(); if (word_res->chopped_word == NULL) { // Setup word normalization parameters. word_res->SetupForRecognition(unicharset, this, BestPix(), tessedit_ocr_engine_mode, NULL, classify_bln_numeric_mode, textord_use_cjk_fp_model, poly_allow_detailed_fx, pr_it->row()->row, pr_it->block()->block); } bln_word_window_handle()->Clear(); display_bln_lines(bln_word_window_handle(), ScrollView::CYAN, 1.0, 0.0f, -1000.0f, 1000.0f); C_BLOB_IT it(word_res->word->cblob_list()); ScrollView::Color color = WERD::NextColor(ScrollView::BLACK); for (it.mark_cycle_pt(); !it.cycled_list(); it.forward()) { it.data()->plot_normed(word_res->denorm, color, ScrollView::BROWN, bln_word_window_handle()); color = WERD::NextColor(color); } bln_word_window_handle()->Update(); return TRUE; } /** * word_display() Word Processor * * Display a word according to its display modes */ BOOL8 Tesseract::word_display(PAGE_RES_IT* pr_it) { WERD_RES* word_res = pr_it->word(); WERD* word = word_res->word; TBOX word_bb; // word bounding box int word_height; // ht of word BB BOOL8 displayed_something = FALSE; float shift; // from bot left C_BLOB_IT c_it; // cblob iterator if (color_mode != CM_RAINBOW && word_res->box_word != NULL) { BoxWord* box_word = word_res->box_word; WERD_CHOICE* best_choice = word_res->best_choice; int length = box_word->length(); if (word_res->fontinfo == NULL) return false; const FontInfo& font_info = *word_res->fontinfo; for (int i = 0; i < length; ++i) { ScrollView::Color color = ScrollView::GREEN; switch (color_mode) { case CM_SUBSCRIPT: if (best_choice->BlobPosition(i) == SP_SUBSCRIPT) color = ScrollView::RED; break; case CM_SUPERSCRIPT: if (best_choice->BlobPosition(i) == SP_SUPERSCRIPT) color = ScrollView::RED; break; case CM_ITALIC: if (font_info.is_italic()) color = ScrollView::RED; break; case CM_BOLD: if (font_info.is_bold()) color = ScrollView::RED; break; case CM_FIXEDPITCH: if (font_info.is_fixed_pitch()) color = ScrollView::RED; break; case CM_SERIF: if (font_info.is_serif()) color = ScrollView::RED; break; case CM_SMALLCAPS: if (word_res->small_caps) color = ScrollView::RED; break; case CM_DROPCAPS: if (best_choice->BlobPosition(i) == SP_DROPCAP) color = ScrollView::RED; break; // TODO(rays) underline is currently completely unsupported. case CM_UNDERLINE: default: break; } image_win->Pen(color); TBOX box = box_word->BlobBox(i); image_win->Rectangle(box.left(), box.bottom(), box.right(), box.top()); } return true; } /* 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); 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)) { // edgesteps available word->plot(image_win); // rainbow colors displayed_something = TRUE; } // display poly approx if (word->display_flag(DF_POLYGONAL)) { // need to convert TWERD* tword = TWERD::PolygonalCopy(poly_allow_detailed_fx, word); tword->plot(image_win); delete tword; displayed_something = TRUE; } // Display correct text and blamer information. STRING text; STRING blame; if (word->display_flag(DF_TEXT) && word->text() != NULL) { text = word->text(); } if (word->display_flag(DF_BLAMER) && !(word_res->blamer_bundle != NULL && word_res->blamer_bundle->incorrect_result_reason() == IRR_CORRECT)) { text = ""; const BlamerBundle *blamer_bundle = word_res->blamer_bundle; if (blamer_bundle == NULL) { text += "NULL"; } else { text = blamer_bundle->TruthString(); } text += " -> "; STRING best_choice_str; if (word_res->best_choice == NULL) { best_choice_str = "NULL"; } else { word_res->best_choice->string_and_lengths(&best_choice_str, NULL); } text += best_choice_str; IncorrectResultReason reason = (blamer_bundle == NULL) ? IRR_PAGE_LAYOUT : blamer_bundle->incorrect_result_reason(); ASSERT_HOST(reason < IRR_NUM_REASONS) blame += " ["; blame += BlamerBundle::IncorrectReasonName(reason); blame += "]"; } if (text.length() > 0) { word_bb = word->bounding_box(); image_win->Pen(ScrollView::RED); word_height = word_bb.height(); int text_height = 0.50 * word_height; if (text_height > 20) text_height = 20; image_win->TextAttributes("Arial", text_height, false, false, false); shift = (word_height < word_bb.width()) ? 0.25 * word_height : 0.0f; image_win->Text(word_bb.left() + shift, word_bb.bottom() + 0.25 * word_height, text.string()); if (blame.length() > 0) { image_win->Text(word_bb.left() + shift, word_bb.bottom() + 0.25 * word_height - text_height, blame.string()); } 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; } #endif // GRAPHICS_DISABLED /** * word_dumper() * * Dump members to the debug window */ BOOL8 Tesseract::word_dumper(PAGE_RES_IT* pr_it) { if (pr_it->block()->block != NULL) { tprintf("\nBlock data...\n"); pr_it->block()->block->print(NULL, FALSE); } tprintf("\nRow data...\n"); pr_it->row()->row->print(NULL); tprintf("\nWord data...\n"); WERD_RES* word_res = pr_it->word(); word_res->word->print(); if (word_res->blamer_bundle != NULL && wordrec_debug_blamer && word_res->blamer_bundle->incorrect_result_reason() != IRR_CORRECT) { tprintf("Current blamer debug: %s\n", word_res->blamer_bundle->debug().string()); } return TRUE; } #ifndef GRAPHICS_DISABLED /** * word_set_display() Word processor * * Display word according to current display mode settings */ BOOL8 Tesseract::word_set_display(PAGE_RES_IT* pr_it) { WERD* word = pr_it->word()->word; 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)); word->set_display_flag(DF_BLAMER, word_display_mode.bit(DF_BLAMER)); return word_display(pr_it); } // page_res is non-const because the iterator doesn't know if you are going // to change the items it points to! Really a const here though. void Tesseract::blob_feature_display(PAGE_RES* page_res, const TBOX& selection_box) { PAGE_RES_IT* it = make_pseudo_word(page_res, selection_box); if (it != NULL) { WERD_RES* word_res = it->word(); word_res->x_height = it->row()->row->x_height(); word_res->SetupForRecognition(unicharset, this, BestPix(), tessedit_ocr_engine_mode, NULL, classify_bln_numeric_mode, textord_use_cjk_fp_model, poly_allow_detailed_fx, it->row()->row, it->block()->block); TWERD* bln_word = word_res->chopped_word; TBLOB* bln_blob = bln_word->blobs[0]; INT_FX_RESULT_STRUCT fx_info; GenericVector bl_features; GenericVector cn_features; Classify::ExtractFeatures(*bln_blob, classify_nonlinear_norm, &bl_features, &cn_features, &fx_info, NULL); // Display baseline features. ScrollView* bl_win = CreateFeatureSpaceWindow("BL Features", 512, 0); ClearFeatureSpaceWindow(baseline, bl_win); for (int f = 0; f < bl_features.size(); ++f) RenderIntFeature(bl_win, &bl_features[f], ScrollView::GREEN); bl_win->Update(); // Display cn features. ScrollView* cn_win = CreateFeatureSpaceWindow("CN Features", 512, 0); ClearFeatureSpaceWindow(character, cn_win); for (int f = 0; f < cn_features.size(); ++f) RenderIntFeature(cn_win, &cn_features[f], ScrollView::GREEN); cn_win->Update(); it->DeleteCurrentWord(); delete it; } } #endif // GRAPHICS_DISABLED } // namespace tesseract