ccstruct: Replace BOOL8, TRUE, FALSE by bool, true, false and modernize code

Signed-off-by: Stefan Weil <sw@weilnetz.de>

src/ccstruct/blobbox.cpp

@@ -29,7 +29,7 @@
 #include "coutln.h"      // for C_OUTLINE_IT, C_OUTLINE, C_OUTLINE_LIST
 #include "environ.h"     // for l_uint32
 #include "helpers.h"     // for UpdateRange, IntCastRounded
-#include "host.h"        // for NearlyEqual, TRUE
+#include "host.h"        // for NearlyEqual
 #include "points.h"      // for operator+=, ICOORD::rotate
 
 struct Pix;
@@ -94,7 +94,7 @@ void BLOBNBOX::merge(                    //merge blobs
                     ) {
   box += nextblob->box;          //merge boxes
   set_diacritic_box(box);
-  nextblob->joined = TRUE;
+  nextblob->joined = true;
 }
 
 

src/ccstruct/blread.cpp

@@ -2,7 +2,6 @@
  * File:        blread.cpp  (Formerly pdread.c)
  * Description: Friend function of BLOCK to read the uscan pd file.
  * Author:      Ray Smith
- * Created:     Mon Mar 18 14:39:00 GMT 1991
  *
  * (C) Copyright 1991, Hewlett-Packard Ltd.
  ** Licensed under the Apache License, Version 2.0 (the "License");
@@ -19,7 +18,6 @@
 
 #include "blread.h"
 #include <cstdio>       // for fclose, fopen, FILE
-#include "host.h"       // for TRUE
 #include "ocrblock.h"   // for BLOCK_IT, BLOCK, BLOCK_LIST (ptr only)
 #include "scanutils.h"  // for tfscanf
 
@@ -51,7 +49,7 @@ bool read_unlv_file(                    //print list of sides
   } else {
     while (tfscanf(pdfp, "%d %d %d %d %*s", &x, &y, &width, &height) >= 4) {
                                  //make rect block
-      block = new BLOCK (name.string (), TRUE, 0, 0,
+      block = new BLOCK (name.string (), true, 0, 0,
                          (int16_t) x, (int16_t) (ysize - y - height),
                          (int16_t) (x + width), (int16_t) (ysize - y));
                                  //on end of list
@@ -64,6 +62,6 @@ bool read_unlv_file(                    //print list of sides
 
 void FullPageBlock(int width, int height, BLOCK_LIST *blocks) {
   BLOCK_IT block_it(blocks);
-  auto* block = new BLOCK("", TRUE, 0, 0, 0, 0, width, height);
+  auto* block = new BLOCK("", true, 0, 0, 0, 0, width, height);
   block_it.add_to_end(block);
 }

src/ccstruct/coutln.cpp

@@ -2,7 +2,6 @@
  * File:        coutln.cpp  (Formerly coutline.c)
  * Description: Code for the C_OUTLINE class.
  * Author:      Ray Smith
- * Created:     Mon Oct 07 16:01:57 BST 1991
  *
  * (C) Copyright 1991, Hewlett-Packard Ltd.
  ** Licensed under the Apache License, Version 2.0 (the "License");
@@ -460,7 +459,7 @@ int32_t C_OUTLINE::count_transitions(int32_t threshold) {
 /**
  * @name C_OUTLINE::operator<
  *
- * @return TRUE if the left operand is inside the right one.
+ * @return true if the left operand is inside the right one.
  * @param other other outline
  */
 

src/ccstruct/ocrblock.cpp

@@ -2,7 +2,6 @@
  * File:        ocrblock.cpp  (Formerly block.c)
  * Description: BLOCK member functions and iterator functions.
  * Author:      Ray Smith
- * Created:     Fri Mar 15 09:41:28 GMT 1991
  *
  * (C) Copyright 1991, Hewlett-Packard Ltd.
  ** Licensed under the Apache License, Version 2.0 (the "License");
@@ -32,7 +31,7 @@ ELISTIZE (BLOCK)
  * Constructor for a simple rectangular block.
  */
 BLOCK::BLOCK(const char *name,                ///< filename
-             BOOL8 prop,                      ///< proportional
+             bool prop,                       ///< proportional
              int16_t kern,                    ///< kerning
              int16_t space,                   ///< spacing
              int16_t xmin,                    ///< bottom left

src/ccstruct/ocrblock.h

@@ -2,7 +2,6 @@
  * File:        ocrblock.h  (Formerly block.h)
  * Description: Page block class definition.
  * Author:      Ray Smith
- * Created:     Thu Mar 14 17:32:01 GMT 1991
  *
  * (C) Copyright 1991, Hewlett-Packard Ltd.
  ** Licensed under the Apache License, Version 2.0 (the "License");
@@ -40,7 +39,7 @@ class BLOCK:public ELIST_LINK
     pdblk.hand_poly = nullptr;
   }
   BLOCK(const char *name,  ///< filename
-        BOOL8 prop,        ///< proportional
+        bool prop,         ///< proportional
         int16_t kern,      ///< kerning
         int16_t space,     ///< spacing
         int16_t xmin,      ///< bottom left
@@ -57,7 +56,7 @@ class BLOCK:public ELIST_LINK
    * @param space inter word size
    * @param ch_pitch pitch if fixed
    */
-  void set_stats(BOOL8 prop,
+  void set_stats(bool prop,
                  int16_t kern,
                  int16_t space,
                  int16_t ch_pitch) {
@@ -75,7 +74,7 @@ class BLOCK:public ELIST_LINK
     font_class = font;
   }
   /// return proportional
-  BOOL8 prop() const {
+  bool prop() const {
     return proportional;
   }
   bool right_to_left() const {
@@ -192,7 +191,7 @@ class BLOCK:public ELIST_LINK
   PDBLK pdblk;                 ///< Page Description Block
 
  private:
-  BOOL8 proportional;          ///< proportional
+  bool proportional;           ///< proportional
   bool right_to_left_;         ///< major script is right to left.
   int8_t kerning;              ///< inter blob gap
   int16_t spacing;             ///< inter word gap

src/ccstruct/ocrrow.cpp

@@ -2,7 +2,6 @@
  * File:        ocrrow.cpp  (Formerly row.c)
  * Description: Code for the ROW class.
  * Author:      Ray Smith
- * Created:     Tue Oct 08 15:58:04 BST 1991
  *
  * (C) Copyright 1991, Hewlett-Packard Ltd.
  ** Licensed under the Apache License, Version 2.0 (the "License");
@@ -124,15 +123,15 @@ void ROW::recalc_bounding_box() {  //recalculate BB
   for (it.mark_cycle_pt (); !it.cycled_list (); it.forward ()) {
     word = it.data ();
     if (it.at_first ())
-      word->set_flag (W_BOL, TRUE);
+      word->set_flag (W_BOL, true);
     else
                                  //not start of line
-      word->set_flag (W_BOL, FALSE);
+      word->set_flag (W_BOL, false);
     if (it.at_last ())
-      word->set_flag (W_EOL, TRUE);
+      word->set_flag(W_EOL, true);
     else
                                  //not end of line
-      word->set_flag (W_EOL, FALSE);
+      word->set_flag(W_EOL, false);
                                  //extend BB as reqd
     bound_box += word->bounding_box ();
   }

src/ccstruct/pageres.cpp

@@ -29,7 +29,6 @@
 #include "blobs.h"         // for TWERD, TBLOB
 #include "boxword.h"       // for BoxWord
 #include "errcode.h"       // for ASSERT_HOST
-#include "host.h"          // for TRUE, FALSE
 #include "ocrblock.h"      // for BLOCK_IT, BLOCK, BLOCK_LIST (ptr only)
 #include "ocrrow.h"        // for ROW, ROW_IT
 #include "pdblock.h"       // for PDBLK
@@ -141,7 +140,7 @@ ROW_RES::ROW_RES(bool merge_similar_words, ROW *the_row) {
     if (add_next_word) {
       ASSERT_HOST(combo != nullptr);
       // We are adding this word to the combination.
-      word_res->part_of_combo = TRUE;
+      word_res->part_of_combo = true;
       combo->copy_on(word_res);
     } else if (merge_similar_words) {
       union_box = word_res->word->bounding_box();
@@ -179,7 +178,7 @@ ROW_RES::ROW_RES(bool merge_similar_words, ROW *the_row) {
         combo->combination = true;
         word_res_it.add_to_end(combo);
       }
-      word_res->part_of_combo = TRUE;
+      word_res->part_of_combo = true;
     } else {
       combo = nullptr;
     }
@@ -1104,8 +1103,8 @@ void WERD_RES::InitNonPointers() {
   unlv_crunch_mode = CR_NONE;
   small_caps = false;
   odd_size = false;
-  italic = FALSE;
+  italic = false;
-  bold = FALSE;
+  bold = false;
   // The fontinfos and tesseract count as non-pointers as they point to
   // data owned elsewhere.
   fontinfo = nullptr;

src/ccstruct/pageres.h

@@ -2,7 +2,6 @@
  * File:        pageres.h  (Formerly page_res.h)
  * Description: Results classes used by control.c
  * Author:      Phil Cheatle
- * Created:     Tue Sep 22 08:42:49 BST 1992
  *
  * (C) Copyright 1992, Hewlett-Packard Ltd.
  ** Licensed under the Apache License, Version 2.0 (the "License");
@@ -292,7 +291,7 @@ class WERD_RES : public ELIST_LINK {
   REJMAP reject_map;           // best_choice rejects
   bool tess_failed;
   /*
-    If tess_failed is TRUE, one of the following tests failed when Tess
+    If tess_failed is true, one of the following tests failed when Tess
     returned:
     - The outword blob list was not the same length as the best_choice string;
     - The best_choice string contained ALL blanks;

src/ccstruct/pdblock.cpp

@@ -2,7 +2,6 @@
  * File:        pdblock.cpp
  * Description: PDBLK member functions and iterator functions.
  * Author:      Ray Smith
- * Created:     Fri Mar 15 09:41:28 GMT 1991
  *
  * (C) Copyright 1991, Hewlett-Packard Ltd.
  ** Licensed under the Apache License, Version 2.0 (the "License");
@@ -21,6 +20,7 @@
 #include <cstdlib>
 #include <memory>  // std::unique_ptr
 #include "allheaders.h"
+#include "host.h"  // for PRId32
 
 // Include automatically generated configuration file if running autoconf.
 #ifdef HAVE_CONFIG_H
@@ -83,7 +83,7 @@ void PDBLK::set_sides(                       //set vertex lists
 /**********************************************************************
  * PDBLK::contains
  *
- * Return TRUE if the given point is within the block.
+ * Return true if the given point is within the block.
  **********************************************************************/
 
 bool PDBLK::contains(           //test containment
@@ -354,7 +354,7 @@ int16_t BLOCK_LINE_IT::get_line(             //get a line
                                  //get block box
   block->bounding_box (bleft, tright);
   if (y < bleft.y () || y >= tright.y ()) {
-    //              block->print(stderr,FALSE);
+    //              block->print(stderr,false);
     BADBLOCKLINE.error ("BLOCK_LINE_IT::get_line", ABORT, "Y=%d", y);
   }
 

src/ccstruct/polyaprx.cpp

@@ -2,7 +2,6 @@
  * File:        polyaprx.cpp  (Formerly polygon.c)
  * Description: Code for polygonal approximation from old edgeprog.
  * Author:      Ray Smith
- * Created:     Thu Nov 25 11:42:04 GMT 1993
  *
  * (C) Copyright 1993, Hewlett-Packard Ltd.
  ** Licensed under the Apache License, Version 2.0 (the "License");
@@ -22,7 +21,6 @@
 #include "blobs.h"             // for EDGEPT, TPOINT, VECTOR, TESSLINE
 #include "coutln.h"            // for C_OUTLINE
 #include "errcode.h"           // for ASSERT_HOST
-#include "host.h"              // for FALSE, TRUE
 #include "mod128.h"            // for DIR128
 #include "params.h"            // for BoolParam, BOOL_VAR
 #include "points.h"            // for ICOORD
@@ -33,8 +31,8 @@
 #define EXTERN
 #define FASTEDGELENGTH    256
 
-EXTERN BOOL_VAR(poly_debug, FALSE, "Debug old poly");
+EXTERN BOOL_VAR(poly_debug, false, "Debug old poly");
-EXTERN BOOL_VAR(poly_wide_objects_better, TRUE,
+EXTERN BOOL_VAR(poly_wide_objects_better, true,
                 "More accurate approx on wide things");
 
 #define FIXED       4            /*OUTLINE point is fixed */

src/ccstruct/quspline.cpp

@@ -265,7 +265,7 @@ void QSPLINE::move(            // reposition spline
 /**********************************************************************
  * QSPLINE::overlap
  *
- * Return TRUE if spline2 overlaps this by no more than fraction less
+ * Return true if spline2 overlaps this by no more than fraction less
  * than the bounds of this.
  **********************************************************************/
 

src/ccstruct/statistc.cpp

@@ -1,8 +1,7 @@
 /**********************************************************************
  * File:        statistc.cpp  (Formerly stats.c)
  * Description: Simple statistical package for integer values.
- * Author:          Ray Smith
+ * Author:      Ray Smith
- * Created:         Mon Feb 04 16:56:05 GMT 1991
  *
  * (C) Copyright 1991, Hewlett-Packard Ltd.
  ** Licensed under the Apache License, Version 2.0 (the "License");
@@ -256,7 +255,7 @@ double STATS::median() const {  //get median
 /**********************************************************************
  * STATS::local_min
  *
- * Return TRUE if this point is a local min.
+ * Return true if this point is a local min.
  **********************************************************************/
 bool STATS::local_min(int32_t x) const {
   if (buckets_ == nullptr) {

src/ccstruct/stepblob.cpp

@@ -2,7 +2,6 @@
  * File:        stepblob.cpp  (Formerly cblob.c)
  * Description: Code for C_BLOB class.
  * Author:      Ray Smith
- * Created:     Tue Oct 08 10:41:13 BST 1991
  *
  * (C) Copyright 1991, Hewlett-Packard Ltd.
  ** Licensed under the Apache License, Version 2.0 (the "License");
@@ -25,7 +24,6 @@
 #include "stepblob.h"
 #include "allheaders.h"     // for pixCreate, pixGetDepth
 #include "genericvector.h"  // for GenericVector
-#include "host.h"           // for TRUE, FALSE
 #include "points.h"         // for operator+=, FCOORD, ICOORD
 
 class DENORM;
@@ -147,7 +145,7 @@ static void reverse_outline_list(C_OUTLINE_LIST *list) {
   for (it.mark_cycle_pt(); !it.cycled_list(); it.forward()) {
     C_OUTLINE* outline = it.data();
     outline->reverse();         // reverse it
-    outline->set_flag(COUT_INVERSE, TRUE);
+    outline->set_flag(COUT_INVERSE, true);
     if (!outline->child()->empty())
       reverse_outline_list(outline->child());
   }
@@ -230,9 +228,9 @@ void C_BLOB::CheckInverseFlagAndDirection() {
     if (outline->turn_direction() < 0) {
       outline->reverse();
       reverse_outline_list(outline->child());
-      outline->set_flag(COUT_INVERSE, TRUE);
+      outline->set_flag(COUT_INVERSE, true);
     } else {
-      outline->set_flag(COUT_INVERSE, FALSE);
+      outline->set_flag(COUT_INVERSE, false);
     }
   }
 }