src/Cockpit/hud_card.cxx

   1 #include <plib/sg.h>
   2 #include "hud.hxx"
   3
   4 #ifdef USE_HUD_TextList
   5 #define textString( x , y, text, font,digit)  TextString( text, x , y ,digit ) //suma
   6 #else
   7 #define textString( x , y, text, font,digit )  puDrawString ( guiFnt, text, x, y ); //suma
   8 #endif
   9
  10 //========== Top of hud_card class member definitions =============
  11 //begin suma
  12 #include<GL/glut.h>
  13 #include<math.h>
  14 #include <stdlib.h>
  15 #include <stdio.h>
  16 //end suma
  17
  18
  19 hud_card ::
  20 hud_card( int       x,
  21           int       y,
  22           UINT      width,
  23           UINT      height,
  24           FLTFNPTR  data_source,
  25           UINT      options,
  26           float     max_value, // 360
  27           float     min_value, // 0
  28           float     disp_scaling,
  29           UINT      major_divs,
  30           UINT      minor_divs,
  31           UINT      modulus,  // 360
  32           int       dp_showing,
  33           float     value_span,
  34           string    card_type,
  35           bool      tick_bottom,
  36           bool      tick_top,
  37           bool      tick_right,
  38           bool      tick_left,
  39           bool      cap_bottom,
  40           bool      cap_top,
  41           bool      cap_right,
  42           bool      cap_left,
  43           float     mark_offset,
  44           bool      pointer_enable,
  45           string    type_pointer,
  46           string    type_tick,//hud
  47           string    length_tick,//hud
  48           bool      working,
  49           float     rad,//suma
  50           int           divs, //suma
  51           int           zooms //suma
  52           ) :  //suma
  53     instr_scale( x,y,width,height,
  54                  data_source, options,
  55                  value_span,
  56                  max_value, min_value, disp_scaling,
  57                  major_divs, minor_divs, modulus,
  58                  working),
  59     val_span             ( value_span),
  60     type             ( card_type),
  61     draw_tick_bottom (tick_bottom),
  62     draw_tick_top    (tick_top),
  63     draw_tick_right  (tick_right),
  64     draw_tick_left   (tick_left),
  65     draw_cap_bottom  (cap_bottom),
  66     draw_cap_top     (cap_top),
  67     draw_cap_right   (cap_right),
  68     draw_cap_left    (cap_left),
  69     marker_offset    (mark_offset),
  70     pointer          (pointer_enable),
  71     pointer_type     (type_pointer),
  72     tick_type        (type_tick), //hud
  73     tick_length      (length_tick), //hud
  74     Maj_div          (major_divs), //suma
  75     Min_div          (minor_divs) //suma
  76
  77 {
  78     half_width_units = range_to_show() / 2.0;
  79     radius=rad; //suma
  80     maxValue=max_value; //suma
  81     minValue=min_value; //suma
  82     divisions=divs; //suma
  83     zoom = zooms; //suma
  84
  85     //  UINT options     = get_options();
  86     //  huds_both = (options & HUDS_BOTH) == HUDS_BOTH;
  87     //  huds_right = options & HUDS_RIGHT;
  88     //  huds_left = options & HUDS_LEFT;
  89     //  huds_vert = options & HUDS_VERT;
  90     //  huds_notext = options & HUDS_NOTEXT;
  91     //  huds_top = options & HUDS_TOP;
  92     //  huds_bottom = options & HUDS_BOTTOM;
  93 }
  94
  95 hud_card ::
  96 ~hud_card() { }
  97
  98 hud_card ::
  99 hud_card( const hud_card & image):
 100     instr_scale( (const instr_scale & ) image),
 101     val_span( image.val_span),
 102     type(image.type),
 103     half_width_units (image.half_width_units),
 104     draw_tick_bottom (image.draw_tick_bottom),
 105     draw_tick_top (image.draw_tick_top),
 106     draw_tick_right (image.draw_tick_right),
 107     draw_tick_left (image.draw_tick_left),
 108     draw_cap_bottom (image.draw_cap_bottom),
 109     draw_cap_top (image.draw_cap_top),
 110     draw_cap_right (image.draw_cap_right),
 111     draw_cap_left (image.draw_cap_left),
 112     marker_offset (image.marker_offset),
 113     pointer (image.pointer),
 114     pointer_type (image.pointer_type),
 115     tick_type(image.tick_type), //hud
 116     tick_length(image.tick_length), //hud
 117     Maj_div(image.Maj_div), //suma
 118     Min_div(image.Min_div)//suma
 119
 120 {
 121     //  UINT options     = get_options();
 122     //  huds_both = (options & HUDS_BOTH) == HUDS_BOTH;
 123     //  huds_right = options & HUDS_RIGHT;
 124     //  huds_left = options & HUDS_LEFT;
 125     //  huds_vert = options & HUDS_VERT;
 126     //  huds_notext = options & HUDS_NOTEXT;
 127     //  huds_top = options & HUDS_TOP;
 128     //  huds_bottom = options & HUDS_BOTTOM;
 129 }
 130
 131 hud_card & hud_card ::
 132 operator = (const hud_card & rhs )
 133 {
 134     if( !( this == &rhs)){
 135         instr_scale::operator = (rhs);
 136         val_span = rhs.val_span;
 137         half_width_units = rhs.half_width_units;
 138         draw_tick_bottom = rhs.draw_tick_bottom;
 139         draw_tick_top    = rhs.draw_tick_top;
 140         draw_tick_right  = rhs.draw_tick_right;
 141         draw_tick_left   = rhs.draw_tick_left;
 142         draw_cap_bottom  = rhs.draw_cap_bottom;
 143         draw_cap_top     = rhs.draw_cap_top;
 144         draw_cap_right   = rhs.draw_cap_right;
 145         draw_cap_left    = rhs.draw_cap_left;
 146         marker_offset    = rhs.marker_offset;
 147         type             = rhs.type;
 148         pointer                  = rhs.pointer;
 149         pointer_type     = rhs.pointer_type;
 150         tick_type                = rhs.tick_type;
 151         tick_length              = rhs.tick_length;
 152         Maj_div                  = rhs.Maj_div; //suma
 153         Min_div                  = rhs.Min_div; //suma
 154
 155     }
 156
 157     return *this;
 158 }
 159
 160 void hud_card ::
 161 draw( void ) //  (HUD_scale * pscale )
 162 {
 163
 164     float vmin = 0.0, vmax = 0.0;
 165     int marker_xs;
 166     int marker_xe;
 167     int marker_ys;
 168     int marker_ye;
 169     int text_x = 0, text_y = 0;
 170     int lenstr;
 171     int height, width;
 172     int i, last;
 173     char TextScale[80];
 174     bool condition;
 175     int disp_val = 0;
 176     int oddtype, k; //odd or even values for ticks
 177
 178     POINT mid_scr    = get_centroid();
 179     float cur_value  = get_value();
 180
 181     if (!((int)maxValue%2) )
 182         oddtype =0; //draw ticks at even values
 183     else
 184         oddtype = 1;//draw ticks at odd values
 185
 186     RECT   scrn_rect = get_location();
 187     UINT options     = get_options();
 188
 189     height = scrn_rect.top  + scrn_rect.bottom;
 190     width = scrn_rect.left + scrn_rect.right;
 191
 192     //begin suma
 193     // if type=gauge then display dial
 194     if(type=="gauge") {
 195         float x,y;
 196         float i;
 197         y=(float)(scrn_rect.top);
 198         x=(float)(scrn_rect.left);
 199         glEnable(GL_POINT_SMOOTH);
 200         glPointSize(3.0);
 201
 202         float incr= 360.0/divisions;
 203         for(i=0.0;i<360.0;i+=incr) {
 204             float i1=i*SGD_DEGREES_TO_RADIANS;
 205             float x1=x+radius*cos(i1);
 206             float y1=y+radius*sin(i1);
 207
 208             glBegin(GL_POINTS);
 209             glVertex2f(x1,y1);
 210             glEnd();
 211         }
 212         glPointSize(1.0);
 213         glDisable(GL_POINT_SMOOTH);
 214
 215
 216         if(data_available()) {
 217             float offset = 90.0*SGD_DEGREES_TO_RADIANS;
 218             float r1=10.0; //size of carrot
 219             float theta= get_value();
 220
 221             float theta1= -theta*SGD_DEGREES_TO_RADIANS+offset;
 222             float x1=x+radius*cos(theta1);
 223             float y1=y+radius*sin(theta1);
 224             float x2=x1-r1*cos(theta1-30.0*SGD_DEGREES_TO_RADIANS);
 225             float y2=y1-r1*sin(theta1-30.0*SGD_DEGREES_TO_RADIANS);
 226             float x3=x1-r1*cos(theta1+30.0*SGD_DEGREES_TO_RADIANS);
 227             float y3=y1-r1*sin(theta1+30.0*SGD_DEGREES_TO_RADIANS);
 228
 229             // draw carrot
 230             drawOneLine(x1,y1,x2,y2);
 231             drawOneLine(x1,y1,x3,y3);
 232             sprintf(TextScale,"%3.1f\n",theta);
 233
 234             // draw value
 235             int l = abs((int)theta);
 236             if (l) {
 237                 if( l<10)
 238                     textString (x,y,TextScale,GLUT_BITMAP_8_BY_13,0 );
 239                 else if(l<100)
 240                     textString (x-1.0,y,TextScale,GLUT_BITMAP_8_BY_13,0 );
 241                 else if( l<360 )
 242                     textString (x-2.0,y,TextScale,GLUT_BITMAP_8_BY_13,0 );
 243             }
 244
 245         }
 246
 247         //end type=gauge
 248     } else {
 249         // if its not explicitly a gauge default to tape
 250         if(pointer) {
 251             if(pointer_type=="moving") {
 252                 vmin = minValue;
 253                 vmax = maxValue;
 254             } else {
 255                 // default to fixed
 256                 vmin   = cur_value - half_width_units; // width units == needle travel
 257                 vmax   = cur_value + half_width_units; // or picture unit span.
 258                 text_x = mid_scr.x;
 259                 text_y = mid_scr.y;
 260             }
 261         } else {
 262             vmin   = cur_value - half_width_units; // width units == needle travel
 263             vmax   = cur_value + half_width_units; // or picture unit span.
 264             text_x = mid_scr.x;
 265             text_y = mid_scr.y;
 266         }
 267
 268         // Draw the basic markings for the scale...
 269
 270         if( huds_vert(options) ) { // Vertical scale
 271             if (draw_tick_bottom) {
 272                 drawOneLine( scrn_rect.left,     // Bottom tick bar
 273                              scrn_rect.top,
 274                              width,
 275                              scrn_rect.top);
 276             } // endif draw_tick_bottom
 277             if (draw_tick_top) {
 278                 drawOneLine( scrn_rect.left,    // Top tick bar
 279                              height,
 280                              width,
 281                              height );
 282             } // endif draw_tick_top
 283
 284             marker_xs = scrn_rect.left;  // x start
 285             marker_xe = width;  // x extent
 286             marker_ye = height;
 287
 288             //    glBegin(GL_LINES);
 289
 290             // Bottom tick bar
 291             //    glVertex2f( marker_xs, scrn_rect.top);
 292             //    glVertex2f( marker_xe, scrn_rect.top);
 293
 294             // Top tick bar
 295             //    glVertex2f( marker_xs, marker_ye);
 296             //    glVertex2f( marker_xe, marker_ye );
 297             //    glEnd();
 298
 299
 300             // We do not use else in the following so that combining the
 301             // two options produces a "caged" display with double
 302             // carrots. The same is done for horizontal card indicators.
 303
 304             // begin vertical/left
 305             //First draw capping lines and pointers
 306             if( huds_left(options) ) {    // Calculate x marker offset
 307
 308                 if (draw_cap_right) {
 309
 310                     drawOneLine( marker_xe, scrn_rect.top,
 311                                  marker_xe, marker_ye); // Cap right side
 312                 } //endif cap_right
 313
 314                 marker_xs  = marker_xe - scrn_rect.right / 3;   // Adjust tick xs
 315
 316                 // drawOneLine( marker_xs, mid_scr.y,
 317                 //              marker_xe, mid_scr.y + scrn_rect.right / 6);
 318                 // drawOneLine( marker_xs, mid_scr.y,
 319                 //              marker_xe, mid_scr.y - scrn_rect.right / 6);
 320
 321                 // draw pointer
 322                 if(pointer) {
 323                     if(pointer_type=="moving") {
 324                         if(zoom == 0) {
 325                             //Code for Moving Type Pointer included by suma.
 326                             float ycentre, ypoint,xpoint;
 327                             int range,wth;
 328                             if(cur_value > maxValue) cur_value = maxValue;
 329                             if(cur_value < minValue) cur_value = minValue;
 330                             if (minValue >= 0.0)
 331                                 ycentre = scrn_rect.top;
 332                             else if (maxValue + minValue == 0.0)
 333                                 ycentre = mid_scr.y;
 334                             else
 335                                 if (oddtype == 1)
 336                                     ycentre = scrn_rect.top + (1.0-minValue)*scrn_rect.bottom/(maxValue-minValue);
 337                                 else
 338                                     ycentre = scrn_rect.top + minValue*scrn_rect.bottom/(maxValue-minValue);
 339                             range = scrn_rect.bottom;
 340                             wth   = scrn_rect.left + scrn_rect.right;
 341                             if (oddtype == 1)
 342                                 ypoint = ycentre + ((cur_value-1.0) * range / val_span);
 343                             else
 344                                 ypoint = ycentre + (cur_value * range / val_span);
 345                             xpoint = wth + marker_offset;
 346                             drawOneLine(xpoint,ycentre,xpoint,ypoint);
 347                             drawOneLine(xpoint,ypoint,xpoint-marker_offset,ypoint);
 348                             drawOneLine(xpoint-marker_offset,ypoint,xpoint-5.0,ypoint+5.0);
 349                             drawOneLine(xpoint-marker_offset,ypoint,xpoint-5.0,ypoint-5.0);
 350                         }//zoom=0
 351                     } else {
 352                         // default to fixed
 353                         fixed(marker_offset+marker_xe, text_y + scrn_rect.right / 6,
 354                               marker_offset+marker_xs, text_y,marker_offset+marker_xe,
 355                               text_y - scrn_rect.right / 6);
 356                     }//end pointer type
 357
 358                 } //if pointer
 359             }  //end vertical/left
 360
 361             // begin vertical/right
 362             //First draw capping lines and pointers
 363             if( huds_right(options) ) {  // We'll default this for now.
 364                 if (draw_cap_left) {
 365                     drawOneLine( scrn_rect.left, scrn_rect.top,
 366                                  scrn_rect.left, marker_ye );  // Cap left side
 367                 } //endif cap_left
 368
 369                 marker_xe = scrn_rect.left + scrn_rect.right / 3;     // Adjust tick xe
 370                 // Indicator carrot
 371                 // drawOneLine( scrn_rect.left, mid_scr.y +  scrn_rect.right / 6,
 372                 //              marker_xe, mid_scr.y );
 373                 // drawOneLine( scrn_rect.left, mid_scr.y -  scrn_rect.right / 6,
 374                 //              marker_xe, mid_scr.y);
 375
 376                 // draw pointer
 377                 if(pointer) {
 378                     if(pointer_type=="moving") {
 379                         if(zoom == 0) {
 380                             //type-fixed & zoom=1, behaviour to be defined
 381                             // Code for Moving Type Pointer included by suma.
 382                             float ycentre, ypoint,xpoint;
 383                             int range;
 384
 385                             if(cur_value > maxValue)
 386                                 cur_value = maxValue;
 387                             if(cur_value < minValue)
 388                                 cur_value = minValue;
 389
 390                             if (minValue >= 0.0)
 391                                 ycentre = scrn_rect.top;
 392                             else if (maxValue + minValue == 0.0)
 393                                 ycentre = mid_scr.y;
 394                             else
 395                                 if (oddtype == 1)
 396                                     ycentre = scrn_rect.top + (1.0-minValue)*scrn_rect.bottom/(maxValue-minValue);
 397                                 else
 398                                     ycentre = scrn_rect.top + minValue*scrn_rect.bottom/(maxValue-minValue);
 399                             range = scrn_rect.bottom;
 400
 401                             if (oddtype == 1)
 402                                 ypoint = ycentre + ((cur_value-1.0) * range / val_span);
 403                             else
 404                                 ypoint = ycentre + (cur_value * range / val_span);
 405                             xpoint = scrn_rect.left - marker_offset;
 406                             drawOneLine(xpoint,ycentre,xpoint,ypoint);
 407                             drawOneLine(xpoint,ypoint,xpoint+marker_offset,ypoint);
 408                             drawOneLine(xpoint+marker_offset,ypoint,xpoint+5.0,ypoint+5.0);
 409                             drawOneLine(xpoint+marker_offset,ypoint,xpoint+5.0,ypoint-5.0);
 410                         }
 411                     } else {
 412                         // default to fixed
 413                         fixed( -marker_offset+scrn_rect.left, text_y +  scrn_rect.right / 6,
 414                                -marker_offset+marker_xe, text_y,-marker_offset+scrn_rect.left,
 415                                text_y -  scrn_rect.right / 6);
 416                     }
 417                 } //if pointer
 418             }  //end vertical/right
 419
 420             // At this point marker x_start and x_end values are transposed.
 421             // To keep this from confusing things they are now interchanged.
 422             if(huds_both(options)) {
 423                 marker_ye = marker_xs;
 424                 marker_xs = marker_xe;
 425                 marker_xe = marker_ye;
 426             }
 427
 428             // Work through from bottom to top of scale. Calculating where to put
 429             // minor and major ticks.
 430
 431             // draw scale or tape
 432
 433 //            last = FloatToInt(vmax)+1;
 434 //            i = FloatToInt(vmin);
 435             last = (int)vmax + 1; // N
 436             i = (int)vmin; // N
 437
 438             if(zoom ==1) {
 439                 zoomed_scale(vmin,vmax); //suma
 440             } else {
 441                 for( ; i <last ; i++ ) {
 442                     condition = true;
 443                     if( !modulo()) {
 444                         if( i < min_val()) {
 445                             condition = false;
 446                         }
 447                     }
 448
 449                     if( condition ) {  // Show a tick if necessary
 450                         // Calculate the location of this tick
 451                         marker_ys = scrn_rect.top + FloatToInt(((i - vmin) * factor()/*+.5f*/));
 452                         // marker_ys = scrn_rect.top + (int)((i - vmin) * factor() + .5);
 453                         // Block calculation artifact from drawing ticks below min coordinate.
 454                         // Calculation here accounts for text height.
 455
 456                         if(( marker_ys < (scrn_rect.top + 4)) |
 457                            ( marker_ys > (height - 4)))
 458                         {
 459                             // Magic numbers!!!
 460                             continue;
 461                         }
 462
 463                         if (oddtype == 1)
 464                             k = i+1; //enable ticks at odd values
 465                         else
 466                             k = i;
 467
 468                         // Minor ticks
 469                         if( div_min()) {
 470                             // if( (i%div_min()) == 0) {
 471                             if( !(k%(int)div_min())) {
 472                                 if((( marker_ys - 5) > scrn_rect.top ) &&
 473                                    (( marker_ys + 5) < (height))) {
 474
 475                                 //vertical/left OR vertical/right
 476                                 if( huds_both(options) ) {
 477                                     if(tick_type=="line") {
 478                                         if(tick_length=="variable") {
 479                                             drawOneLine( scrn_rect.left, marker_ys,
 480                                                          marker_xs,      marker_ys );
 481                                             drawOneLine( marker_xe,      marker_ys,
 482                                                          width,  marker_ys );
 483                                         } else {
 484                                             drawOneLine( scrn_rect.left, marker_ys,
 485                                                          marker_xs,      marker_ys );
 486                                             drawOneLine( marker_xe,      marker_ys,
 487                                                          width,  marker_ys );
 488                                         }
 489                                     } else if(tick_type=="circle") // begin suma  this func. is written below
 490                                         circles(scrn_rect.left,(float)marker_ys,3.0); //end suma
 491
 492                                     else {
 493                                         // if neither line nor circle draw default as line
 494                                         drawOneLine( scrn_rect.left, marker_ys,
 495                                                      marker_xs,      marker_ys );
 496                                         drawOneLine( marker_xe,      marker_ys,
 497                                                      width,  marker_ys );
 498                                     }
 499                                     // glBegin(GL_LINES);
 500                                     // glVertex2f( scrn_rect.left, marker_ys );
 501                                     // glVertex2f( marker_xs,      marker_ys );
 502                                     // glVertex2f( marker_xe,      marker_ys);
 503                                     // glVertex2f( scrn_rect.left + scrn_rect.right,  marker_ys );
 504                                     // glEnd();
 505                                     // anything other than huds_both
 506                                 } else {
 507                                     if( huds_left(options) ) {
 508                                         if(tick_type=="line") {
 509                                             if(tick_length=="variable") {
 510                                                 drawOneLine( marker_xs + 4, marker_ys,
 511                                                              marker_xe,     marker_ys );
 512                                             } else {
 513                                                 drawOneLine( marker_xs , marker_ys,
 514                                                              marker_xe,     marker_ys );
 515                                             }
 516                                         } else if(tick_type=="circle") // begin suma
 517                                             circles((float)marker_xs + 4, (float)marker_ys,3.0); //end suma
 518
 519                                         else {
 520                                             drawOneLine( marker_xs + 4, marker_ys,
 521                                                          marker_xe,     marker_ys );
 522                                         }
 523                                     }  else {
 524                                         if(tick_type=="line") {
 525                                             if(tick_length=="variable") {
 526                                                 drawOneLine( marker_xs,     marker_ys,
 527                                                              marker_xe - 4, marker_ys );
 528                                             } else {
 529                                                 drawOneLine( marker_xs,     marker_ys,
 530                                                              marker_xe , marker_ys );
 531                                             }
 532                                         } else if(tick_type=="circle") //begin suma
 533                                             circles((float)marker_xe - 4, (float)marker_ys,3.0);  //end suma
 534                                         else {
 535                                             drawOneLine( marker_xs,     marker_ys,
 536                                                          marker_xe - 4, marker_ys );
 537                                         }
 538                                     }
 539                                 } //end huds both
 540                               }
 541                             } //end draw minor ticks
 542                         }  //end minor ticks
 543
 544                         // Major ticks
 545                         if( div_max() ) {
 546
 547                             if( !(k%(int)div_max()) ) {
 548                                 if(modulo()) {
 549                                     disp_val = i % (int) modulo(); // ?????????
 550                                     if( disp_val < 0) {
 551                                         while(disp_val < 0)
 552                                             disp_val += modulo();
 553                                     }
 554                                 } else {
 555                                     disp_val = i;
 556                                 }
 557
 558                                 lenstr = sprintf( TextScale, "%d",
 559                                                   FloatToInt(disp_val * data_scaling()/*+.5*/));
 560                                 // (int)(disp_val  * data_scaling() +.5));
 561                                 /* if(( (marker_ys - 8 ) > scrn_rect.top ) &&
 562                                    ( (marker_ys + 8) < (height))){ */ //suma
 563                                 // huds_both
 564                                 if( huds_both(options) ) {
 565                                     // drawOneLine( scrn_rect.left, marker_ys,
 566                                     //              marker_xs,      marker_ys);
 567                                     // drawOneLine( marker_xs, marker_ys,
 568                                     //              scrn_rect.left + scrn_rect.right,
 569                                     //              marker_ys);
 570                                     if(tick_type=="line") {
 571                                         glBegin(GL_LINE_STRIP);
 572                                         glVertex2f( scrn_rect.left, marker_ys );
 573                                         glVertex2f( marker_xs, marker_ys);
 574                                         glVertex2f( width, marker_ys);
 575                                         glEnd();
 576                                     } else if(tick_type=="circle") //begin suma
 577                                         circles(scrn_rect.left, (float)marker_ys,5.0); //end suma
 578                                     else {
 579                                         glBegin(GL_LINE_STRIP);
 580                                         glVertex2f( scrn_rect.left, marker_ys );
 581                                         glVertex2f( marker_xs, marker_ys);
 582                                         glVertex2f( width, marker_ys);
 583                                         glEnd();
 584                                     }
 585
 586                                     if( !huds_notext(options)) {
 587                                         textString ( marker_xs + 2,  marker_ys,
 588                                                      TextScale,  GLUT_BITMAP_8_BY_13,0 );
 589                                     }
 590                                 } else {
 591                                     //begin suma
 592                                     /* Changes are made to draw a circle when tick_type="circle" */
 593                                     // anything other than huds_both
 594                                     if(tick_type=="line") {
 595                                         drawOneLine( marker_xs, marker_ys, marker_xe, marker_ys );
 596                                     } else if(tick_type=="circle")
 597                                         circles((float)marker_xs + 4, (float)marker_ys,5.0);//end suma
 598                                     else {
 599                                         drawOneLine( marker_xs, marker_ys, marker_xe, marker_ys );
 600                                     }
 601                                     if( !huds_notext(options) ) {
 602                                         if( huds_left(options) ) {
 603                                             textString( marker_xs -  8 * lenstr - 2,
 604                                                         marker_ys - 4,
 605                                                         TextScale, GLUT_BITMAP_8_BY_13,0 );
 606                                         } else {
 607                                             textString( marker_xe + 3 * lenstr,
 608                                                         marker_ys - 4,
 609                                                         TextScale, GLUT_BITMAP_8_BY_13,0 );
 610                                         } //End if huds_left
 611                                     } //End if !huds_notext
 612                                 }  //End if huds-both
 613                             }  // End if draw major ticks
 614                         }   // End if major ticks
 615                     }  // End condition
 616                 }  // End for
 617             }  //end of zoom
 618             // End if VERTICAL SCALE TYPE (tape loop yet to be closed)
 619         } else {
 620             // Horizontal scale by default
 621             // left tick bar
 622             if (draw_tick_left) {
 623                 drawOneLine( scrn_rect.left, scrn_rect.top,
 624                              scrn_rect.left, height);
 625             }  // endif draw_tick_left
 626             // right tick bar
 627             if (draw_tick_right) {
 628                 drawOneLine( width, scrn_rect.top,
 629                              width,
 630                              height );
 631             }  // endif draw_tick_right
 632
 633             marker_ys = scrn_rect.top;           // Starting point for
 634             marker_ye = height;                  // tick y location calcs
 635             marker_xe = width;
 636             marker_xs = scrn_rect.left + FloatToInt((cur_value - vmin) * factor() /*+ .5f*/);
 637
 638
 639             //    glBegin(GL_LINES);
 640             // left tick bar
 641             //    glVertex2f( scrn_rect.left, scrn_rect.top);
 642             //    glVertex2f( scrn_rect.left, marker_ye);
 643
 644             // right tick bar
 645             //    glVertex2f( marker_xe, scrn_rect.top);
 646             //    glVertex2f( marker_xe, marker_ye );
 647             //    glEnd();
 648
 649             if( huds_top(options) ) {
 650                 if (draw_cap_bottom) {
 651                     // Bottom box line
 652                     drawOneLine( scrn_rect.left,
 653                                  scrn_rect.top,
 654                                  width,
 655                                  scrn_rect.top);
 656                 }  //endif cap_bottom
 657
 658                 // Tick point adjust
 659                 marker_ye  = scrn_rect.top + scrn_rect.bottom / 2;
 660                 // Bottom arrow
 661                 // drawOneLine( mid_scr.x, marker_ye,
 662                 //              mid_scr.x - scrn_rect.bottom / 4, scrn_rect.top);
 663                 // drawOneLine( mid_scr.x, marker_ye,
 664                 //              mid_scr.x + scrn_rect.bottom / 4, scrn_rect.top);
 665                 // draw pointer
 666                 if(pointer) {
 667                     if(pointer_type=="moving") {
 668                         if (zoom ==0) {
 669                             //Code for Moving Type Pointer included by suma.
 670                             // static float xcentre,xpoint,ypoint;
 671                             // static int range;
 672                             if(cur_value > maxValue) cur_value = maxValue;
 673                             if(cur_value < minValue) cur_value = minValue;
 674                             float xcentre = mid_scr.x;
 675                             int range = scrn_rect.right;
 676                             float xpoint = xcentre + (cur_value * range / val_span);
 677                             float ypoint = scrn_rect.top - marker_offset;
 678                             drawOneLine(xcentre, ypoint,xpoint,ypoint);
 679                             drawOneLine(xpoint,ypoint,xpoint,ypoint+marker_offset);
 680                             drawOneLine(xpoint,ypoint+marker_offset,xpoint+5.0,ypoint+5.0);
 681                             drawOneLine(xpoint,ypoint+marker_offset,xpoint-5.0,ypoint+5.0);
 682                         }
 683                     } else {
 684                         //default to fixed
 685                         fixed( marker_xs - scrn_rect.bottom / 4, scrn_rect.top,
 686                                marker_xs, marker_ye, marker_xs + scrn_rect.bottom / 4,scrn_rect.top);
 687                     }
 688                 }  //if pointer
 689             } //End Horizontal scale/top
 690
 691             if( huds_bottom(options) ) {
 692                 // Top box line
 693                 if (draw_cap_top) {
 694                     drawOneLine( scrn_rect.left, height,
 695                                  width, height);
 696                 }  //endif cap_top
 697
 698                 // Tick point adjust
 699                 marker_ys = height - scrn_rect.bottom  / 2;
 700                 // Top arrow
 701                 //      drawOneLine( mid_scr.x + scrn_rect.bottom / 4,
 702                 //                   scrn_rect.top + scrn_rect.bottom,
 703                 //                   mid_scr.x, marker_ys );
 704                 //      drawOneLine( mid_scr.x - scrn_rect.bottom / 4,
 705                 //                   scrn_rect.top + scrn_rect.bottom,
 706                 //                   mid_scr.x , marker_ys );
 707
 708                 // draw pointer
 709                 if(pointer) {
 710                     if(pointer_type=="moving") {
 711                         if(zoom == 0) {
 712                             //Code for Moving Type Pointer included by suma.
 713                             // static float xcentre,xpoint,ypoint;
 714                             // static int range,hgt;
 715                             if(cur_value > maxValue) cur_value = maxValue;
 716                             if(cur_value < minValue) cur_value = minValue;
 717                             float xcentre = mid_scr.x ;
 718                             int range = scrn_rect.right;
 719                             int hgt   = scrn_rect.top + scrn_rect.bottom;
 720                             float xpoint = xcentre + (cur_value * range / val_span);
 721                             float ypoint = hgt + marker_offset;
 722                             drawOneLine(xcentre, ypoint,xpoint,ypoint);
 723                             drawOneLine(xpoint,ypoint,xpoint,ypoint-marker_offset);
 724                             drawOneLine(xpoint,ypoint-marker_offset,xpoint+5.0,ypoint-5.0);
 725                             drawOneLine(xpoint,ypoint-marker_offset,xpoint-5.0,ypoint-5.0);
 726                         }
 727                     } else {
 728                         fixed( marker_xs + scrn_rect.bottom / 4, height, marker_xs, marker_ys,
 729                                marker_xs - scrn_rect.bottom / 4, height);
 730                                 }
 731                 } //if pointer
 732             }  //end horizontal scale bottom
 733
 734             //    if(( options & HUDS_BOTTOM) == HUDS_BOTTOM ) {
 735             //      marker_xe = marker_ys;
 736             //      marker_ys = marker_ye;
 737             //      marker_ye = marker_xe;
 738             //      }
 739
 740             // printf("vmin = %d  vmax = %d\n", (int)vmin, (int)vmax);
 741
 742             //  last = FloatToInt(vmax)+1;
 743             //  i    = FloatToInt(vmin);
 744
 745             if(zoom ==1) {
 746                 zoomed_scale(vmin,vmax); //suma
 747             } else  {
 748                 //default to zoom=0
 749                 last = (int)vmax + 1;
 750                 i = (int)vmin;
 751                 for(; i <last ; i++ ) {
 752                     // for( i = (int)vmin; i <= (int)vmax; i++ )     {
 753                     // printf("<*> i = %d\n", i);
 754                     condition = true;
 755                     if( !modulo()) {
 756                         if( i < min_val()) {
 757                             condition = false;
 758                         }
 759                     }
 760                     // printf("<**> i = %d\n", i);
 761                     if( condition )        {
 762                         // marker_xs = scrn_rect.left + (int)((i - vmin) * factor() + .5);
 763                         marker_xs = scrn_rect.left + FloatToInt(((i - vmin) * factor()/*+ .5f*/));
 764
 765                         if (oddtype == 1)
 766                             k = i+1; //enable ticks at odd values
 767                         else
 768                             k = i;
 769
 770                         if( div_min()) {
 771                             //          if( (i%(int)div_min()) == 0 ) {
 772                             //draw minor ticks
 773                             if( !(k%(int)div_min() )) {
 774                                 // draw in ticks only if they aren't too close to the edge.
 775                                 if((( marker_xs - 5) > scrn_rect.left ) &&
 776                                   (( marker_xs + 5 )< (scrn_rect.left + scrn_rect.right))){
 777
 778                                 if( huds_both(options) ) {
 779                                     if(tick_length=="variable") {
 780                                         drawOneLine( marker_xs, scrn_rect.top,
 781                                                      marker_xs, marker_ys - 4);
 782                                         drawOneLine( marker_xs, marker_ye + 4,
 783                                                      marker_xs, height);
 784                                     } else {
 785                                         drawOneLine( marker_xs, scrn_rect.top,
 786                                                      marker_xs, marker_ys);
 787                                         drawOneLine( marker_xs, marker_ye,
 788                                                      marker_xs, height);
 789                                     }
 790                                     // glBegin(GL_LINES);
 791                                     // glVertex2f( marker_xs, scrn_rect.top);
 792                                     // glVertex2f( marker_xs, marker_ys - 4);
 793                                     // glVertex2f( marker_xs, marker_ye + 4);
 794                                                 // glVertex2f( marker_xs, scrn_rect.top + scrn_rect.bottom);
 795                                     // glEnd();
 796                                 }  else {
 797                                     if( huds_top(options)) {
 798                                         //draw minor ticks
 799                                         if(tick_length=="variable")
 800                                             drawOneLine(marker_xs,marker_ys,marker_xs,marker_ye-4);
 801                                         else
 802                                             drawOneLine(marker_xs,marker_ys,marker_xs,marker_ye);
 803                                     } else
 804                                         if(tick_length=="variable")
 805                                             drawOneLine(marker_xs,marker_ys+4,marker_xs,marker_ye);
 806                                         else
 807                                             drawOneLine(marker_xs,marker_ys,marker_xs,marker_ye);
 808                                 }
 809                               }
 810                             } //end draw minor ticks
 811                         } //end minor ticks
 812                         //major ticks
 813                         if( div_max()) {
 814                             // printf("i = %d\n", i);
 815                             //          if( (i%(int)div_max())==0 ) {
 816                             //draw major ticks
 817                             if( !(k%(int)div_max()) ) {
 818                                 if(modulo()) {
 819                                     disp_val = i % (int) modulo(); // ?????????
 820                                     if( disp_val < 0) {
 821                                         while(disp_val<0)
 822                                             disp_val += modulo();
 823                                     }
 824                                 } else {
 825                                     disp_val = i;
 826                                 }
 827                                 // printf("disp_val = %d\n", disp_val);
 828                                 // printf("%d\n", (int)(disp_val  * (double)data_scaling() + 0.5));
 829                                 lenstr = sprintf( TextScale, "%d",
 830                                                   // (int)(disp_val  * data_scaling() +.5));
 831                                                   FloatToInt(disp_val * data_scaling()/*+.5*/));
 832                                 // Draw major ticks and text only if far enough from the edge.
 833                                 if(( (marker_xs - 10)> scrn_rect.left ) &&
 834                                           ( (marker_xs + 10) < (scrn_rect.left + scrn_rect.right))){
 835                                 if( huds_both(options) ) {
 836                                     // drawOneLine( marker_xs, scrn_rect.top,
 837                                     //              marker_xs, marker_ys);
 838                                     // drawOneLine( marker_xs, marker_ye,
 839                                     //              marker_xs, scrn_rect.top + scrn_rect.bottom);
 840                                     glBegin(GL_LINE_STRIP);
 841                                     glVertex2f( marker_xs, scrn_rect.top);
 842                                     glVertex2f( marker_xs, marker_ye);
 843                                     glVertex2f( marker_xs, height);
 844                                     glEnd();
 845                                     if( !huds_notext(options) ) {
 846                                         textString ( marker_xs - 4 * lenstr,
 847                                                      marker_ys + 4,
 848                                                              TextScale,  GLUT_BITMAP_8_BY_13,0 ); //suma
 849                                     }
 850                                 } else {
 851                                     drawOneLine( marker_xs, marker_ys,
 852                                                  marker_xs, marker_ye );
 853                                     if( !huds_notext(options)) {
 854                                         if( huds_top(options) )              {
 855                                             textString ( marker_xs - 4 * lenstr,
 856                                                          height - 10,
 857                                                          TextScale, GLUT_BITMAP_8_BY_13,0 ); //suma
 858                                         }  else  {
 859                                             textString( marker_xs - 4 * lenstr,
 860                                                         scrn_rect.top,
 861                                                         TextScale, GLUT_BITMAP_8_BY_13,0 ); //suma
 862                                         }
 863                                     }
 864                                 }
 865                               }
 866                             }  //end draw major ticks
 867                         } //endif major ticks
 868                     }   //end condition
 869                 } //end for
 870             }  //end zoom
 871         } //end horizontal/vertical scale
 872     } // end of type tape
 873 } //draw
 874
 875
 876 //begin suma
 877
 878 void hud_card ::
 879 circles(float x,float y,float size)
 880 {
 881     glEnable(GL_POINT_SMOOTH);
 882     glPointSize(size);
 883
 884     glBegin(GL_POINTS);
 885     glVertex2f(x,y);
 886     glEnd();
 887
 888     glPointSize(1.0);
 889     glDisable(GL_POINT_SMOOTH);
 890 }
 891
 892 //end suma
 893
 894 void hud_card ::
 895 fixed(float x1, float y1, float x2, float y2, float x3, float y3)
 896 {
 897     glBegin(GL_LINE_STRIP);
 898     glVertex2f(x1, y1);
 899     glVertex2f(x2, y2);
 900     glVertex2f(x3, y3);
 901     glEnd();
 902 }
 903
 904
 905 void hud_card ::
 906 zoomed_scale(int first, int last)
 907 {
 908
 909     POINT mid_scr    = get_centroid();
 910     RECT   scrn_rect = get_location();
 911     UINT options     = get_options();
 912     char TextScale[80];
 913     int disp_val = 0;
 914     int data[80];
 915
 916     float x,y,w,h,bottom;
 917     float cur_value=get_value();
 918     if(cur_value > maxValue) cur_value = maxValue;
 919     if(cur_value < minValue) cur_value = minValue;
 920
 921     int a=0;
 922
 923     while(first <= last) {
 924         if((first % (int)Maj_div) == 0) {
 925             data[a] = first;
 926             a++ ;
 927         }
 928         first++;
 929     }
 930     int centre =a/2;
 931
 932
 933     if( huds_vert(options) ) {
 934
 935         x=scrn_rect.left;
 936         y=scrn_rect.top;
 937         w=scrn_rect.left+scrn_rect.right;
 938         h=scrn_rect.top+scrn_rect.bottom;
 939         bottom=scrn_rect.bottom;
 940
 941         float xstart, yfirst, ycentre, ysecond;
 942
 943         float hgt = bottom * 20.0 /100.0;  // 60% of height should be zoomed
 944         yfirst = mid_scr.y - hgt;
 945         ycentre = mid_scr.y;
 946         ysecond = mid_scr.y + hgt;
 947         float range = hgt * 2;
 948
 949         int i;
 950         float factor = range /10.0;
 951
 952         float hgt1 = bottom * 30.0 /100.0;
 953         int  incrs = ((int)val_span - (Maj_div * 2)) / Maj_div ;
 954         int  incr = incrs / 2;
 955         float factors = hgt1 / incr;
 956
 957
 958
 959         // begin
 960         //this is for moving type pointer
 961         static float ycent, ypoint,xpoint;
 962         static int wth;
 963
 964         ycent = mid_scr.y;
 965         wth=scrn_rect.left+scrn_rect.right;
 966
 967         if(cur_value <= data[centre+1])
 968             if(cur_value > data[centre]) {
 969                 ypoint = ycent + ((cur_value - data[centre]) * hgt/Maj_div);
 970             }
 971
 972         if(cur_value >= data[centre-1])
 973             if(cur_value <= data[centre]) {
 974                 ypoint = ycent - ((data[centre]-cur_value) * hgt/Maj_div);
 975             }
 976
 977         if(cur_value < data[centre-1])
 978             if(cur_value >= minValue) {
 979                 float diff  = minValue  - data[centre-1];
 980                 float diff1 = cur_value - data[centre-1];
 981                 float val = (diff1 * hgt1) / diff;
 982
 983                 ypoint = ycent - hgt -  val;
 984             }
 985
 986
 987         if(cur_value > data[centre+1])
 988             if(cur_value <= maxValue) {
 989                 float diff  = maxValue  - data[centre+1];
 990                 float diff1 = cur_value - data[centre+1];
 991                 float val = (diff1 * hgt1) / diff;
 992
 993                 ypoint = ycent + hgt +  val;
 994             }
 995
 996         if(huds_left(options)) {
 997             xstart = w;
 998
 999             drawOneLine( xstart, ycentre, xstart - 5.0, ycentre); //centre tick
1000
1001             sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling()));
1002
1003             if( !huds_notext(options)) {
1004                 textString (x, ycentre, TextScale, GLUT_BITMAP_8_BY_13,0 );
1005             }
1006
1007             for(i=1;i<5;i++) {
1008                 yfirst  += factor;
1009                 ycentre += factor;
1010                 circles(xstart-2.5,yfirst, 3.0);
1011                 circles(xstart-2.5,ycentre,3.0);
1012             }
1013
1014             yfirst = mid_scr.y - hgt;
1015
1016             for(i=0;i<=incr;i++) {
1017                 drawOneLine( xstart, yfirst, xstart - 5.0, yfirst);
1018                 drawOneLine( xstart,ysecond, xstart - 5.0,ysecond);
1019
1020                 sprintf(TextScale,"%3.0f\n",(float)(data[centre-i-1] * data_scaling()));
1021
1022                 if( !huds_notext(options))
1023                     textString (x, yfirst, TextScale, GLUT_BITMAP_8_BY_13,0 );
1024
1025                 sprintf(TextScale,"%3.0f\n",(float)(data[centre+i+1] * data_scaling()));
1026
1027                 if( !huds_notext(options))
1028                     textString (x, ysecond, TextScale, GLUT_BITMAP_8_BY_13,0 );
1029
1030
1031                 yfirst    -= factors;
1032                 ysecond   += factors;
1033
1034             }
1035             //to draw moving type pointer for left option
1036             //begin
1037             xpoint = wth + 10.0;
1038
1039             if(pointer_type == "moving") {
1040                 drawOneLine(xpoint,ycent,xpoint,ypoint);
1041                 drawOneLine(xpoint,ypoint,xpoint-10.0,ypoint);
1042                 drawOneLine(xpoint-10.0,ypoint,xpoint-5.0,ypoint+5.0);
1043                 drawOneLine(xpoint-10.0,ypoint,xpoint-5.0,ypoint-5.0);
1044             }
1045             //end
1046
1047         } else {
1048             //huds_right
1049             xstart = (x+w)/2;
1050
1051             drawOneLine( xstart, ycentre, xstart + 5.0, ycentre); //centre tick
1052
1053             sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling()));
1054
1055             if( !huds_notext(options)) {
1056                 textString (w, ycentre, TextScale, GLUT_BITMAP_8_BY_13,0 );
1057             }
1058
1059             for(i=1;i<5;i++) {
1060                 yfirst  += factor;
1061                 ycentre += factor;
1062                 circles(xstart+2.5,yfirst, 3.0);
1063                 circles(xstart+2.5,ycentre,3.0);
1064             }
1065
1066             yfirst = mid_scr.y - hgt;
1067
1068             for(i=0;i<=incr;i++) {
1069                 drawOneLine( xstart, yfirst, xstart + 5.0, yfirst);
1070                 drawOneLine( xstart,ysecond, xstart + 5.0,ysecond);
1071
1072                 sprintf(TextScale,"%3.0f\n",(float)(data[centre-i-1] * data_scaling()));
1073
1074                 if( !huds_notext(options))
1075                     textString (w, yfirst, TextScale, GLUT_BITMAP_8_BY_13,0 );
1076
1077                 sprintf(TextScale,"%3.0f\n",(float)(data[centre+i+1] * data_scaling()));
1078
1079                 if( !huds_notext(options))
1080                     textString (w, ysecond, TextScale, GLUT_BITMAP_8_BY_13,0 );
1081
1082                 yfirst -= factors;
1083                 ysecond   += factors;
1084
1085             }
1086
1087             // to draw moving type pointer for right option
1088             //begin
1089             xpoint = scrn_rect.left;
1090
1091             if(pointer_type == "moving") {
1092                 drawOneLine(xpoint,ycent,xpoint,ypoint);
1093                 drawOneLine(xpoint,ypoint,xpoint+10.0,ypoint);
1094                 drawOneLine(xpoint+10.0,ypoint,xpoint+5.0,ypoint+5.0);
1095                 drawOneLine(xpoint+10.0,ypoint,xpoint+5.0,ypoint-5.0);
1096             }
1097             //end
1098         }//end huds_right /left
1099         //end of vertical scale
1100     } else {
1101         //horizontal scale
1102         x=scrn_rect.left;
1103         y=scrn_rect.top;
1104         w=scrn_rect.left+scrn_rect.right;
1105         h=scrn_rect.top+scrn_rect.bottom;
1106         bottom=scrn_rect.right;
1107
1108         float ystart, xfirst, xcentre, xsecond;
1109
1110         float hgt = bottom * 20.0 /100.0;  // 60% of height should be zoomed
1111         xfirst = mid_scr.x - hgt;
1112         xcentre = mid_scr.x;
1113         xsecond = mid_scr.x + hgt;
1114         float range = hgt * 2;
1115
1116         int i;
1117         float factor = range /10.0;
1118
1119         float hgt1 = bottom * 30.0 /100.0;
1120         int  incrs = ((int)val_span - (Maj_div * 2)) / Maj_div ;
1121         int  incr = incrs / 2;
1122         float factors = hgt1 / incr;
1123
1124
1125         //Code for Moving Type Pointer
1126         //begin
1127         static float xcent,xpoint,ypoint;
1128
1129         xcent = mid_scr.x;
1130
1131         if(cur_value <= data[centre+1])
1132             if(cur_value > data[centre]) {
1133                 xpoint = xcent + ((cur_value - data[centre]) * hgt/Maj_div);
1134             }
1135
1136         if(cur_value >= data[centre-1])
1137             if(cur_value <= data[centre]) {
1138                 xpoint = xcent - ((data[centre]-cur_value) * hgt/Maj_div);
1139             }
1140
1141         if(cur_value < data[centre-1])
1142             if(cur_value >= minValue) {
1143                 float diff  = minValue  - data[centre-1];
1144                 float diff1 = cur_value - data[centre-1];
1145                 float val = (diff1 * hgt1) / diff;
1146
1147                 xpoint = xcent - hgt -  val;
1148             }
1149
1150
1151         if(cur_value > data[centre+1])
1152             if(cur_value <= maxValue) {
1153                 float diff  = maxValue  - data[centre+1];
1154                 float diff1 = cur_value - data[centre+1];
1155                 float val = (diff1 * hgt1) / diff;
1156
1157                 xpoint = xcent + hgt +  val;
1158             }
1159
1160         //end
1161         if(huds_top(options)) {
1162
1163             ystart =h;
1164
1165             drawOneLine( xcentre, ystart, xcentre, ystart - 5.0); //centre tick
1166
1167             sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling()));
1168
1169             if( !huds_notext(options)) {
1170                 textString (xcentre-10.0, y, TextScale, GLUT_BITMAP_8_BY_13,0 );
1171             }
1172
1173             for(i=1;i<5;i++) {
1174                 xfirst  += factor;
1175                 xcentre += factor;
1176                 circles(xfirst,  ystart-2.5, 3.0);
1177                 circles(xcentre, ystart-2.5, 3.0);
1178             }
1179
1180             xfirst = mid_scr.x - hgt;
1181
1182             for(i=0;i<=incr;i++) {
1183                 drawOneLine( xfirst,  ystart, xfirst,  ystart - 5.0);
1184                 drawOneLine( xsecond, ystart, xsecond, ystart - 5.0);
1185
1186                 sprintf(TextScale,"%3.0f\n",(float)(data[centre-i-1] * data_scaling()));
1187
1188                 if( !huds_notext(options))
1189                     textString (xfirst-10.0, y, TextScale, GLUT_BITMAP_8_BY_13,0 );
1190
1191                 sprintf(TextScale,"%3.0f\n",(float)(data[centre+i+1] * data_scaling()));
1192
1193                 if( !huds_notext(options))
1194                     textString (xsecond-10.0, y, TextScale, GLUT_BITMAP_8_BY_13,0 );
1195
1196
1197                 xfirst -= factors;
1198                 xsecond   += factors;
1199
1200             }
1201             //this is for moving pointer for top option
1202             //begin
1203
1204             ypoint = scrn_rect.top + scrn_rect.bottom + 10.0;
1205
1206             if(pointer_type == "moving") {
1207                 drawOneLine(xcent, ypoint,xpoint,ypoint);
1208                 drawOneLine(xpoint,ypoint,xpoint,ypoint-10.0);
1209                 drawOneLine(xpoint,ypoint-10.0,xpoint+5.0,ypoint-5.0);
1210                 drawOneLine(xpoint,ypoint-10.0,xpoint-5.0,ypoint-5.0);
1211             }
1212             //end of top option
1213         } else {
1214             //else huds_bottom
1215             ystart = (y+h)/2;
1216
1217             //drawOneLine( xstart, yfirst,  xstart - 5.0, yfirst );
1218             drawOneLine( xcentre, ystart, xcentre, ystart + 5.0); //centre tick
1219
1220             sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling()));
1221
1222             if( !huds_notext(options)) {
1223                 textString (xcentre-10.0, h, TextScale, GLUT_BITMAP_8_BY_13,0 );
1224             }
1225
1226             for(i=1;i<5;i++) {
1227                 xfirst  += factor;
1228                 xcentre += factor;
1229                 circles(xfirst,  ystart+2.5, 3.0);
1230                 circles(xcentre, ystart+2.5,3.0);
1231             }
1232
1233             xfirst = mid_scr.x - hgt;
1234
1235             for(i=0;i<=incr;i++) {
1236                 drawOneLine( xfirst, ystart, xfirst, ystart + 5.0);
1237                 drawOneLine( xsecond,ystart, xsecond,ystart + 5.0);
1238
1239                 sprintf(TextScale,"%3.0f\n",(float)(data[centre-i-1] * data_scaling()));
1240
1241                 if( !huds_notext(options))
1242                     textString (xfirst-10.0,h, TextScale, GLUT_BITMAP_8_BY_13,0 );
1243
1244                 sprintf(TextScale,"%3.0f\n",(float)(data[centre+i+1] * data_scaling()));
1245
1246                 if( !huds_notext(options))
1247                     textString (xsecond-10.0,h, TextScale, GLUT_BITMAP_8_BY_13,0 );
1248
1249
1250                 xfirst -= factors;
1251                 xsecond   += factors;
1252
1253             }
1254             //this is for movimg pointer for bottom option
1255             //begin
1256
1257             ypoint = scrn_rect.top - 10.0;
1258             if(pointer_type == "moving") {
1259                 drawOneLine(xcent, ypoint,xpoint,ypoint);
1260                 drawOneLine(xpoint,ypoint,xpoint,ypoint+10.0);
1261                 drawOneLine(xpoint,ypoint+10.0,xpoint+5.0,ypoint+5.0);
1262                 drawOneLine(xpoint,ypoint+10.0,xpoint-5.0,ypoint+5.0);
1263             }
1264
1265
1266             //end
1267         }//end hud_top or hud_bottom
1268
1269     }  //end of horizontal/vertical scales
1270
1271 }//end draw