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         int  decimal, sign;
 198         y=(float)(scrn_rect.top);
 199         x=(float)(scrn_rect.left);
 200         glEnable(GL_POINT_SMOOTH);
 201         glPointSize(3.0);
 202
 203         float incr= 360.0/divisions;
 204         for(i=0.0;i<360.0;i+=incr) {
 205             float i1=i*SGD_DEGREES_TO_RADIANS;
 206             float x1=x+radius*cos(i1);
 207             float y1=y+radius*sin(i1);
 208
 209             glBegin(GL_POINTS);
 210             glVertex2f(x1,y1);
 211             glEnd();
 212         }
 213         glPointSize(1.0);
 214         glDisable(GL_POINT_SMOOTH);
 215
 216
 217         if(data_available()) {
 218             float offset = 90.0*SGD_DEGREES_TO_RADIANS;
 219             float r1=10.0; //size of carrot
 220             float theta= get_value();
 221
 222             float theta1= -theta*SGD_DEGREES_TO_RADIANS+offset;
 223             float x1=x+radius*cos(theta1);
 224             float y1=y+radius*sin(theta1);
 225             float x2=x1-r1*cos(theta1-30.0*SGD_DEGREES_TO_RADIANS);
 226             float y2=y1-r1*sin(theta1-30.0*SGD_DEGREES_TO_RADIANS);
 227             float x3=x1-r1*cos(theta1+30.0*SGD_DEGREES_TO_RADIANS);
 228             float y3=y1-r1*sin(theta1+30.0*SGD_DEGREES_TO_RADIANS);
 229
 230             // draw carrot
 231             drawOneLine(x1,y1,x2,y2);
 232             drawOneLine(x1,y1,x3,y3);
 233             sprintf(TextScale,"%3.1f\n",theta);
 234
 235             // draw value
 236             int l = abs((int)theta);
 237             if (l) {
 238                 if( l<10)
 239                     textString (x,y,TextScale,GLUT_BITMAP_8_BY_13,0 );
 240                 else if(l<100)
 241                     textString (x-1.0,y,TextScale,GLUT_BITMAP_8_BY_13,0 );
 242                 else if( l<360 )
 243                     textString (x-2.0,y,TextScale,GLUT_BITMAP_8_BY_13,0 );
 244             }
 245
 246         }
 247
 248         //end type=gauge
 249     } else {
 250         // if its not explicitly a gauge default to tape
 251         if(pointer) {
 252             if(pointer_type=="moving") {
 253                 vmin = minValue;
 254                 vmax = maxValue;
 255             } else {
 256                 // default to fixed
 257                 vmin   = cur_value - half_width_units; // width units == needle travel
 258                 vmax   = cur_value + half_width_units; // or picture unit span.
 259                 text_x = mid_scr.x;
 260                 text_y = mid_scr.y;
 261             }
 262         } else {
 263             vmin   = cur_value - half_width_units; // width units == needle travel
 264             vmax   = cur_value + half_width_units; // or picture unit span.
 265             text_x = mid_scr.x;
 266             text_y = mid_scr.y;
 267         }
 268
 269         // Draw the basic markings for the scale...
 270
 271         if( huds_vert(options) ) { // Vertical scale
 272             if (draw_tick_bottom) {
 273                 drawOneLine( scrn_rect.left,     // Bottom tick bar
 274                              scrn_rect.top,
 275                              width,
 276                              scrn_rect.top);
 277             } // endif draw_tick_bottom
 278             if (draw_tick_top) {
 279                 drawOneLine( scrn_rect.left,    // Top tick bar
 280                              height,
 281                              width,
 282                              height );
 283             } // endif draw_tick_top
 284
 285             marker_xs = scrn_rect.left;  // x start
 286             marker_xe = width;  // x extent
 287             marker_ye = height;
 288
 289             //    glBegin(GL_LINES);
 290
 291             // Bottom tick bar
 292             //    glVertex2f( marker_xs, scrn_rect.top);
 293             //    glVertex2f( marker_xe, scrn_rect.top);
 294
 295             // Top tick bar
 296             //    glVertex2f( marker_xs, marker_ye);
 297             //    glVertex2f( marker_xe, marker_ye );
 298             //    glEnd();
 299
 300
 301             // We do not use else in the following so that combining the
 302             // two options produces a "caged" display with double
 303             // carrots. The same is done for horizontal card indicators.
 304
 305             // begin vertical/left
 306             //First draw capping lines and pointers
 307             if( huds_left(options) ) {    // Calculate x marker offset
 308
 309                 if (draw_cap_right) {
 310
 311                     drawOneLine( marker_xe, scrn_rect.top,
 312                                  marker_xe, marker_ye); // Cap right side
 313                 } //endif cap_right
 314
 315                 marker_xs  = marker_xe - scrn_rect.right / 3;   // Adjust tick xs
 316
 317                 // drawOneLine( marker_xs, mid_scr.y,
 318                 //              marker_xe, mid_scr.y + scrn_rect.right / 6);
 319                 // drawOneLine( marker_xs, mid_scr.y,
 320                 //              marker_xe, mid_scr.y - scrn_rect.right / 6);
 321
 322                 // draw pointer
 323                 if(pointer) {
 324                     if(pointer_type=="moving") {
 325                         if(zoom == 0) {
 326                             //Code for Moving Type Pointer included by suma.
 327                             float ycentre, ypoint,xpoint;
 328                             int range,wth;
 329                             if(cur_value > maxValue) cur_value = maxValue;
 330                             if(cur_value < minValue) cur_value = minValue;
 331                             if (minValue >= 0.0)
 332                                 ycentre = scrn_rect.top;
 333                             else if (maxValue + minValue == 0.0)
 334                                 ycentre = mid_scr.y;
 335                             else
 336                                 if (oddtype == 1)
 337                                     ycentre = scrn_rect.top + (1.0-minValue)*scrn_rect.bottom/(maxValue-minValue);
 338                                 else
 339                                     ycentre = scrn_rect.top + minValue*scrn_rect.bottom/(maxValue-minValue);
 340                             range = scrn_rect.bottom;
 341                             wth   = scrn_rect.left + scrn_rect.right;
 342                             if (oddtype == 1)
 343                                 ypoint = ycentre + ((cur_value-1.0) * range / val_span);
 344                             else
 345                                 ypoint = ycentre + (cur_value * range / val_span);
 346                             xpoint = wth + marker_offset;
 347                             drawOneLine(xpoint,ycentre,xpoint,ypoint);
 348                             drawOneLine(xpoint,ypoint,xpoint-marker_offset,ypoint);
 349                             drawOneLine(xpoint-marker_offset,ypoint,xpoint-5.0,ypoint+5.0);
 350                             drawOneLine(xpoint-marker_offset,ypoint,xpoint-5.0,ypoint-5.0);
 351                         }//zoom=0
 352                     } else {
 353                         // default to fixed
 354                         fixed(marker_offset+marker_xe, text_y + scrn_rect.right / 6,
 355                               marker_offset+marker_xs, text_y,marker_offset+marker_xe,
 356                               text_y - scrn_rect.right / 6);
 357                     }//end pointer type
 358
 359                 } //if pointer
 360             }  //end vertical/left
 361
 362             // begin vertical/right
 363             //First draw capping lines and pointers
 364             if( huds_right(options) ) {  // We'll default this for now.
 365                 if (draw_cap_left) {
 366                     drawOneLine( scrn_rect.left, scrn_rect.top,
 367                                  scrn_rect.left, marker_ye );  // Cap left side
 368                 } //endif cap_left
 369
 370                 marker_xe = scrn_rect.left + scrn_rect.right / 3;     // Adjust tick xe
 371                 // Indicator carrot
 372                 // drawOneLine( scrn_rect.left, mid_scr.y +  scrn_rect.right / 6,
 373                 //              marker_xe, mid_scr.y );
 374                 // drawOneLine( scrn_rect.left, mid_scr.y -  scrn_rect.right / 6,
 375                 //              marker_xe, mid_scr.y);
 376
 377                 // draw pointer
 378                 if(pointer) {
 379                     if(pointer_type=="moving") {
 380                         if(zoom == 0) {
 381                             //type-fixed & zoom=1, behaviour to be defined
 382                             // Code for Moving Type Pointer included by suma.
 383                             float ycentre, ypoint,xpoint;
 384                             int range,wth;
 385
 386                             if(cur_value > maxValue)
 387                                 cur_value = maxValue;
 388                             if(cur_value < minValue)
 389                                 cur_value = minValue;
 390
 391                             if (minValue >= 0.0)
 392                                 ycentre = scrn_rect.top;
 393                             else if (maxValue + minValue == 0.0)
 394                                 ycentre = mid_scr.y;
 395                             else
 396                                 if (oddtype == 1)
 397                                     ycentre = scrn_rect.top + (1.0-minValue)*scrn_rect.bottom/(maxValue-minValue);
 398                                 else
 399                                     ycentre = scrn_rect.top + minValue*scrn_rect.bottom/(maxValue-minValue);
 400                             range = scrn_rect.bottom;
 401
 402                             if (oddtype == 1)
 403                                 ypoint = ycentre + ((cur_value-1.0) * range / val_span);
 404                             else
 405                                 ypoint = ycentre + (cur_value * range / val_span);
 406                             xpoint = scrn_rect.left - marker_offset;
 407                             drawOneLine(xpoint,ycentre,xpoint,ypoint);
 408                             drawOneLine(xpoint,ypoint,xpoint+marker_offset,ypoint);
 409                             drawOneLine(xpoint+marker_offset,ypoint,xpoint+5.0,ypoint+5.0);
 410                             drawOneLine(xpoint+marker_offset,ypoint,xpoint+5.0,ypoint-5.0);
 411                         }
 412                     } else {
 413                         // default to fixed
 414                         fixed( -marker_offset+scrn_rect.left, text_y +  scrn_rect.right / 6,
 415                                -marker_offset+marker_xe, text_y,-marker_offset+scrn_rect.left,
 416                                text_y -  scrn_rect.right / 6);
 417                     }
 418                 } //if pointer
 419             }  //end vertical/right
 420
 421             // At this point marker x_start and x_end values are transposed.
 422             // To keep this from confusing things they are now interchanged.
 423             if(huds_both(options)) {
 424                 marker_ye = marker_xs;
 425                 marker_xs = marker_xe;
 426                 marker_xe = marker_ye;
 427             }
 428
 429             // Work through from bottom to top of scale. Calculating where to put
 430             // minor and major ticks.
 431
 432             // draw scale or tape
 433
 434 //            last = FloatToInt(vmax)+1;
 435 //            i = FloatToInt(vmin);
 436             last = (int)vmax + 1; // N
 437             i = (int)vmin; // N
 438
 439             if(zoom ==1) {
 440                 zoomed_scale(vmin,vmax); //suma
 441             } else {
 442                 for( ; i <last ; i++ ) {
 443                     condition = true;
 444                     if( !modulo()) {
 445                         if( i < min_val()) {
 446                             condition = false;
 447                         }
 448                     }
 449
 450                     if( condition ) {  // Show a tick if necessary
 451                         // Calculate the location of this tick
 452                         marker_ys = scrn_rect.top + FloatToInt(((i - vmin) * factor()/*+.5f*/));
 453                         // marker_ys = scrn_rect.top + (int)((i - vmin) * factor() + .5);
 454                         // Block calculation artifact from drawing ticks below min coordinate.
 455                         // Calculation here accounts for text height.
 456
 457                         if(( marker_ys < (scrn_rect.top + 4)) |
 458                            ( marker_ys > (height - 4)))
 459                         {
 460                             // Magic numbers!!!
 461                             continue;
 462                         }
 463
 464                         if (oddtype == 1)
 465                             k = i+1; //enable ticks at odd values
 466                         else
 467                             k = i;
 468
 469                         // Minor ticks
 470                         if( div_min()) {
 471                             // if( (i%div_min()) == 0) {
 472                             if( !(k%(int)div_min())) {
 473                                 if((( marker_ys - 5) > scrn_rect.top ) &&
 474                                    (( marker_ys + 5) < (height))) {
 475
 476                                 //vertical/left OR vertical/right
 477                                 if( huds_both(options) ) {
 478                                     if(tick_type=="line") {
 479                                         if(tick_length=="variable") {
 480                                             drawOneLine( scrn_rect.left, marker_ys,
 481                                                          marker_xs,      marker_ys );
 482                                             drawOneLine( marker_xe,      marker_ys,
 483                                                          width,  marker_ys );
 484                                         } else {
 485                                             drawOneLine( scrn_rect.left, marker_ys,
 486                                                          marker_xs,      marker_ys );
 487                                             drawOneLine( marker_xe,      marker_ys,
 488                                                          width,  marker_ys );
 489                                         }
 490                                     } else if(tick_type=="circle") // begin suma  this func. is written below
 491                                         circles(scrn_rect.left,(float)marker_ys,3.0); //end suma
 492
 493                                     else {
 494                                         // if neither line nor circle draw default as line
 495                                         drawOneLine( scrn_rect.left, marker_ys,
 496                                                      marker_xs,      marker_ys );
 497                                         drawOneLine( marker_xe,      marker_ys,
 498                                                      width,  marker_ys );
 499                                     }
 500                                     // glBegin(GL_LINES);
 501                                     // glVertex2f( scrn_rect.left, marker_ys );
 502                                     // glVertex2f( marker_xs,      marker_ys );
 503                                     // glVertex2f( marker_xe,      marker_ys);
 504                                     // glVertex2f( scrn_rect.left + scrn_rect.right,  marker_ys );
 505                                     // glEnd();
 506                                     // anything other than huds_both
 507                                 } else {
 508                                     if( huds_left(options) ) {
 509                                         if(tick_type=="line") {
 510                                             if(tick_length=="variable") {
 511                                                 drawOneLine( marker_xs + 4, marker_ys,
 512                                                              marker_xe,     marker_ys );
 513                                             } else {
 514                                                 drawOneLine( marker_xs , marker_ys,
 515                                                              marker_xe,     marker_ys );
 516                                             }
 517                                         } else if(tick_type=="circle") // begin suma
 518                                             circles((float)marker_xs + 4, (float)marker_ys,3.0); //end suma
 519
 520                                         else {
 521                                             drawOneLine( marker_xs + 4, marker_ys,
 522                                                          marker_xe,     marker_ys );
 523                                         }
 524                                     }  else {
 525                                         if(tick_type=="line") {
 526                                             if(tick_length=="variable") {
 527                                                 drawOneLine( marker_xs,     marker_ys,
 528                                                              marker_xe - 4, marker_ys );
 529                                             } else {
 530                                                 drawOneLine( marker_xs,     marker_ys,
 531                                                              marker_xe , marker_ys );
 532                                             }
 533                                         } else if(tick_type=="circle") //begin suma
 534                                             circles((float)marker_xe - 4, (float)marker_ys,3.0);  //end suma
 535                                         else {
 536                                             drawOneLine( marker_xs,     marker_ys,
 537                                                          marker_xe - 4, marker_ys );
 538                                         }
 539                                     }
 540                                 } //end huds both
 541                               }
 542                             } //end draw minor ticks
 543                         }  //end minor ticks
 544
 545                         // Major ticks
 546                         if( div_max() ) {
 547
 548                             if( !(k%(int)div_max()) ) {
 549                                 if(modulo()) {
 550                                     disp_val = i % (int) modulo(); // ?????????
 551                                     if( disp_val < 0) {
 552                                         while(disp_val < 0)
 553                                             disp_val += modulo();
 554                                     }
 555                                 } else {
 556                                     disp_val = i;
 557                                 }
 558
 559                                 lenstr = sprintf( TextScale, "%d",
 560                                                   FloatToInt(disp_val * data_scaling()/*+.5*/));
 561                                 // (int)(disp_val  * data_scaling() +.5));
 562                                 /* if(( (marker_ys - 8 ) > scrn_rect.top ) &&
 563                                    ( (marker_ys + 8) < (height))){ */ //suma
 564                                 // huds_both
 565                                 if( huds_both(options) ) {
 566                                     // drawOneLine( scrn_rect.left, marker_ys,
 567                                     //              marker_xs,      marker_ys);
 568                                     // drawOneLine( marker_xs, marker_ys,
 569                                     //              scrn_rect.left + scrn_rect.right,
 570                                     //              marker_ys);
 571                                     if(tick_type=="line") {
 572                                         glBegin(GL_LINE_STRIP);
 573                                         glVertex2f( scrn_rect.left, marker_ys );
 574                                         glVertex2f( marker_xs, marker_ys);
 575                                         glVertex2f( width, marker_ys);
 576                                         glEnd();
 577                                     } else if(tick_type=="circle") //begin suma
 578                                         circles(scrn_rect.left, (float)marker_ys,5.0); //end suma
 579                                     else {
 580                                         glBegin(GL_LINE_STRIP);
 581                                         glVertex2f( scrn_rect.left, marker_ys );
 582                                         glVertex2f( marker_xs, marker_ys);
 583                                         glVertex2f( width, marker_ys);
 584                                         glEnd();
 585                                     }
 586
 587                                     if( !huds_notext(options)) {
 588                                         textString ( marker_xs + 2,  marker_ys,
 589                                                      TextScale,  GLUT_BITMAP_8_BY_13,0 );
 590                                     }
 591                                 } else {
 592                                     //begin suma
 593                                     /* Changes are made to draw a circle when tick_type="circle" */
 594                                     // anything other than huds_both
 595                                     if(tick_type=="line") {
 596                                         drawOneLine( marker_xs, marker_ys, marker_xe, marker_ys );
 597                                     } else if(tick_type=="circle")
 598                                         circles((float)marker_xs + 4, (float)marker_ys,5.0);//end suma
 599                                     else {
 600                                         drawOneLine( marker_xs, marker_ys, marker_xe, marker_ys );
 601                                     }
 602                                     if( !huds_notext(options) ) {
 603                                         if( huds_left(options) ) {
 604                                             textString( marker_xs -  8 * lenstr - 2,
 605                                                         marker_ys - 4,
 606                                                         TextScale, GLUT_BITMAP_8_BY_13,0 );
 607                                         } else {
 608                                             textString( marker_xe + 3 * lenstr,
 609                                                         marker_ys - 4,
 610                                                         TextScale, GLUT_BITMAP_8_BY_13,0 );
 611                                         } //End if huds_left
 612                                     } //End if !huds_notext
 613                                 }  //End if huds-both
 614                             }  // End if draw major ticks
 615                         }   // End if major ticks
 616                     }  // End condition
 617                 }  // End for
 618             }  //end of zoom
 619             // End if VERTICAL SCALE TYPE (tape loop yet to be closed)
 620         } else {
 621             // Horizontal scale by default
 622             // left tick bar
 623             if (draw_tick_left) {
 624                 drawOneLine( scrn_rect.left, scrn_rect.top,
 625                              scrn_rect.left, height);
 626             }  // endif draw_tick_left
 627             // right tick bar
 628             if (draw_tick_right) {
 629                 drawOneLine( width, scrn_rect.top,
 630                              width,
 631                              height );
 632             }  // endif draw_tick_right
 633
 634             marker_ys = scrn_rect.top;           // Starting point for
 635             marker_ye = height;                  // tick y location calcs
 636             marker_xe = width;
 637             marker_xs = scrn_rect.left + FloatToInt((cur_value - vmin) * factor() /*+ .5f*/);
 638
 639
 640             //    glBegin(GL_LINES);
 641             // left tick bar
 642             //    glVertex2f( scrn_rect.left, scrn_rect.top);
 643             //    glVertex2f( scrn_rect.left, marker_ye);
 644
 645             // right tick bar
 646             //    glVertex2f( marker_xe, scrn_rect.top);
 647             //    glVertex2f( marker_xe, marker_ye );
 648             //    glEnd();
 649
 650             if( huds_top(options) ) {
 651                 if (draw_cap_bottom) {
 652                     // Bottom box line
 653                     drawOneLine( scrn_rect.left,
 654                                  scrn_rect.top,
 655                                  width,
 656                                  scrn_rect.top);
 657                 }  //endif cap_bottom
 658
 659                 // Tick point adjust
 660                 marker_ye  = scrn_rect.top + scrn_rect.bottom / 2;
 661                 // Bottom arrow
 662                 // drawOneLine( mid_scr.x, marker_ye,
 663                 //              mid_scr.x - scrn_rect.bottom / 4, scrn_rect.top);
 664                 // drawOneLine( mid_scr.x, marker_ye,
 665                 //              mid_scr.x + scrn_rect.bottom / 4, scrn_rect.top);
 666                 // draw pointer
 667                 if(pointer) {
 668                     if(pointer_type=="moving") {
 669                         if (zoom ==0) {
 670                             //Code for Moving Type Pointer included by suma.
 671                             // static float xcentre,xpoint,ypoint;
 672                             // static int range;
 673                             if(cur_value > maxValue) cur_value = maxValue;
 674                             if(cur_value < minValue) cur_value = minValue;
 675                             float xcentre = mid_scr.x;
 676                             int range = scrn_rect.right;
 677                             float xpoint = xcentre + (cur_value * range / val_span);
 678                             float ypoint = scrn_rect.top - marker_offset;
 679                             drawOneLine(xcentre, ypoint,xpoint,ypoint);
 680                             drawOneLine(xpoint,ypoint,xpoint,ypoint+marker_offset);
 681                             drawOneLine(xpoint,ypoint+marker_offset,xpoint+5.0,ypoint+5.0);
 682                             drawOneLine(xpoint,ypoint+marker_offset,xpoint-5.0,ypoint+5.0);
 683                         }
 684                     } else {
 685                         //default to fixed
 686                         fixed( marker_xs - scrn_rect.bottom / 4, scrn_rect.top,
 687                                marker_xs, marker_ye, marker_xs + scrn_rect.bottom / 4,scrn_rect.top);
 688                     }
 689                 }  //if pointer
 690             } //End Horizontal scale/top
 691
 692             if( huds_bottom(options) ) {
 693                 // Top box line
 694                 if (draw_cap_top) {
 695                     drawOneLine( scrn_rect.left, height,
 696                                  width, height);
 697                 }  //endif cap_top
 698
 699                 // Tick point adjust
 700                 marker_ys = height - scrn_rect.bottom  / 2;
 701                 // Top arrow
 702                 //      drawOneLine( mid_scr.x + scrn_rect.bottom / 4,
 703                 //                   scrn_rect.top + scrn_rect.bottom,
 704                 //                   mid_scr.x, marker_ys );
 705                 //      drawOneLine( mid_scr.x - scrn_rect.bottom / 4,
 706                 //                   scrn_rect.top + scrn_rect.bottom,
 707                 //                   mid_scr.x , marker_ys );
 708
 709                 // draw pointer
 710                 if(pointer) {
 711                     if(pointer_type=="moving") {
 712                         if(zoom == 0) {
 713                             //Code for Moving Type Pointer included by suma.
 714                             // static float xcentre,xpoint,ypoint;
 715                             // static int range,hgt;
 716                             if(cur_value > maxValue) cur_value = maxValue;
 717                             if(cur_value < minValue) cur_value = minValue;
 718                             float xcentre = mid_scr.x ;
 719                             int range = scrn_rect.right;
 720                             int hgt   = scrn_rect.top + scrn_rect.bottom;
 721                             float xpoint = xcentre + (cur_value * range / val_span);
 722                             float ypoint = hgt + marker_offset;
 723                             drawOneLine(xcentre, ypoint,xpoint,ypoint);
 724                             drawOneLine(xpoint,ypoint,xpoint,ypoint-marker_offset);
 725                             drawOneLine(xpoint,ypoint-marker_offset,xpoint+5.0,ypoint-5.0);
 726                             drawOneLine(xpoint,ypoint-marker_offset,xpoint-5.0,ypoint-5.0);
 727                         }
 728                     } else {
 729                         fixed( marker_xs + scrn_rect.bottom / 4, height, marker_xs, marker_ys,
 730                                marker_xs - scrn_rect.bottom / 4, height);
 731                                 }
 732                 } //if pointer
 733             }  //end horizontal scale bottom
 734
 735             //    if(( options & HUDS_BOTTOM) == HUDS_BOTTOM ) {
 736             //      marker_xe = marker_ys;
 737             //      marker_ys = marker_ye;
 738             //      marker_ye = marker_xe;
 739             //      }
 740
 741             // printf("vmin = %d  vmax = %d\n", (int)vmin, (int)vmax);
 742
 743             //  last = FloatToInt(vmax)+1;
 744             //  i    = FloatToInt(vmin);
 745
 746             if(zoom ==1) {
 747                 zoomed_scale(vmin,vmax); //suma
 748             } else  {
 749                 //default to zoom=0
 750                 last = (int)vmax + 1;
 751                 i = (int)vmin;
 752                 for(; i <last ; i++ ) {
 753                     // for( i = (int)vmin; i <= (int)vmax; i++ )     {
 754                     // printf("<*> i = %d\n", i);
 755                     condition = true;
 756                     if( !modulo()) {
 757                         if( i < min_val()) {
 758                             condition = false;
 759                         }
 760                     }
 761                     // printf("<**> i = %d\n", i);
 762                     if( condition )        {
 763                         // marker_xs = scrn_rect.left + (int)((i - vmin) * factor() + .5);
 764                         marker_xs = scrn_rect.left + FloatToInt(((i - vmin) * factor()/*+ .5f*/));
 765
 766                         if (oddtype == 1)
 767                             k = i+1; //enable ticks at odd values
 768                         else
 769                             k = i;
 770
 771                         if( div_min()) {
 772                             //          if( (i%(int)div_min()) == 0 ) {
 773                             //draw minor ticks
 774                             if( !(k%(int)div_min() )) {
 775                                 // draw in ticks only if they aren't too close to the edge.
 776                                 if((( marker_xs - 5) > scrn_rect.left ) &&
 777                                   (( marker_xs + 5 )< (scrn_rect.left + scrn_rect.right))){
 778
 779                                 if( huds_both(options) ) {
 780                                     if(tick_length=="variable") {
 781                                         drawOneLine( marker_xs, scrn_rect.top,
 782                                                      marker_xs, marker_ys - 4);
 783                                         drawOneLine( marker_xs, marker_ye + 4,
 784                                                      marker_xs, height);
 785                                     } else {
 786                                         drawOneLine( marker_xs, scrn_rect.top,
 787                                                      marker_xs, marker_ys);
 788                                         drawOneLine( marker_xs, marker_ye,
 789                                                      marker_xs, height);
 790                                     }
 791                                     // glBegin(GL_LINES);
 792                                     // glVertex2f( marker_xs, scrn_rect.top);
 793                                     // glVertex2f( marker_xs, marker_ys - 4);
 794                                     // glVertex2f( marker_xs, marker_ye + 4);
 795                                                 // glVertex2f( marker_xs, scrn_rect.top + scrn_rect.bottom);
 796                                     // glEnd();
 797                                 }  else {
 798                                     if( huds_top(options)) {
 799                                         //draw minor ticks
 800                                         if(tick_length=="variable")
 801                                             drawOneLine(marker_xs,marker_ys,marker_xs,marker_ye-4);
 802                                         else
 803                                             drawOneLine(marker_xs,marker_ys,marker_xs,marker_ye);
 804                                     } else
 805                                         if(tick_length=="variable")
 806                                             drawOneLine(marker_xs,marker_ys+4,marker_xs,marker_ye);
 807                                         else
 808                                             drawOneLine(marker_xs,marker_ys,marker_xs,marker_ye);
 809                                 }
 810                               }
 811                             } //end draw minor ticks
 812                         } //end minor ticks
 813                         //major ticks
 814                         if( div_max()) {
 815                             // printf("i = %d\n", i);
 816                             //          if( (i%(int)div_max())==0 ) {
 817                             //draw major ticks
 818                             if( !(k%(int)div_max()) ) {
 819                                 if(modulo()) {
 820                                     disp_val = i % (int) modulo(); // ?????????
 821                                     if( disp_val < 0) {
 822                                         while(disp_val<0)
 823                                             disp_val += modulo();
 824                                     }
 825                                 } else {
 826                                     disp_val = i;
 827                                 }
 828                                 // printf("disp_val = %d\n", disp_val);
 829                                 // printf("%d\n", (int)(disp_val  * (double)data_scaling() + 0.5));
 830                                 lenstr = sprintf( TextScale, "%d",
 831                                                   // (int)(disp_val  * data_scaling() +.5));
 832                                                   FloatToInt(disp_val * data_scaling()/*+.5*/));
 833                                 // Draw major ticks and text only if far enough from the edge.
 834                                 if(( (marker_xs - 10)> scrn_rect.left ) &&
 835                                           ( (marker_xs + 10) < (scrn_rect.left + scrn_rect.right))){
 836                                 if( huds_both(options) ) {
 837                                     // drawOneLine( marker_xs, scrn_rect.top,
 838                                     //              marker_xs, marker_ys);
 839                                     // drawOneLine( marker_xs, marker_ye,
 840                                     //              marker_xs, scrn_rect.top + scrn_rect.bottom);
 841                                     glBegin(GL_LINE_STRIP);
 842                                     glVertex2f( marker_xs, scrn_rect.top);
 843                                     glVertex2f( marker_xs, marker_ye);
 844                                     glVertex2f( marker_xs, height);
 845                                     glEnd();
 846                                     if( !huds_notext(options) ) {
 847                                         textString ( marker_xs - 4 * lenstr,
 848                                                      marker_ys + 4,
 849                                                              TextScale,  GLUT_BITMAP_8_BY_13,0 ); //suma
 850                                     }
 851                                 } else {
 852                                     drawOneLine( marker_xs, marker_ys,
 853                                                  marker_xs, marker_ye );
 854                                     if( !huds_notext(options)) {
 855                                         if( huds_top(options) )              {
 856                                             textString ( marker_xs - 4 * lenstr,
 857                                                          height - 10,
 858                                                          TextScale, GLUT_BITMAP_8_BY_13,0 ); //suma
 859                                         }  else  {
 860                                             textString( marker_xs - 4 * lenstr,
 861                                                         scrn_rect.top,
 862                                                         TextScale, GLUT_BITMAP_8_BY_13,0 ); //suma
 863                                         }
 864                                     }
 865                                 }
 866                               }
 867                             }  //end draw major ticks
 868                         } //endif major ticks
 869                     }   //end condition
 870                 } //end for
 871             }  //end zoom
 872         } //end horizontal/vertical scale
 873     } // end of type tape
 874 } //draw
 875
 876
 877 //begin suma
 878
 879 void hud_card ::
 880 circles(float x,float y,float size)
 881 {
 882     glEnable(GL_POINT_SMOOTH);
 883     glPointSize(size);
 884
 885     glBegin(GL_POINTS);
 886     glVertex2f(x,y);
 887     glEnd();
 888
 889     glPointSize(1.0);
 890     glDisable(GL_POINT_SMOOTH);
 891 }
 892
 893 //end suma
 894
 895 void hud_card ::
 896 fixed(float x1, float y1, float x2, float y2, float x3, float y3)
 897 {
 898     glBegin(GL_LINE_STRIP);
 899     glVertex2f(x1, y1);
 900     glVertex2f(x2, y2);
 901     glVertex2f(x3, y3);
 902     glEnd();
 903 }
 904
 905
 906 void hud_card ::
 907 zoomed_scale(int first, int last)
 908 {
 909
 910     POINT mid_scr    = get_centroid();
 911     RECT   scrn_rect = get_location();
 912     UINT options     = get_options();
 913     char TextScale[80];
 914     int disp_val = 0;
 915     int data[80];
 916
 917     float x,y,w,h,bottom;
 918     float cur_value=get_value();
 919     if(cur_value > maxValue) cur_value = maxValue;
 920     if(cur_value < minValue) cur_value = minValue;
 921
 922     int a=0;
 923
 924     while(first <= last) {
 925         if((first % (int)Maj_div) == 0) {
 926             data[a] = first;
 927             a++ ;
 928         }
 929         first++;
 930     }
 931     int centre =a/2;
 932
 933
 934     if( huds_vert(options) ) {
 935
 936         x=scrn_rect.left;
 937         y=scrn_rect.top;
 938         w=scrn_rect.left+scrn_rect.right;
 939         h=scrn_rect.top+scrn_rect.bottom;
 940         bottom=scrn_rect.bottom;
 941
 942         float xstart, yfirst, ycentre, ysecond;
 943
 944         float hgt = bottom * 20.0 /100.0;  // 60% of height should be zoomed
 945         yfirst = mid_scr.y - hgt;
 946         ycentre = mid_scr.y;
 947         ysecond = mid_scr.y + hgt;
 948         float range = hgt * 2;
 949
 950         int i;
 951         float factor = range /10.0;
 952
 953         float hgt1 = bottom * 30.0 /100.0;
 954         int  incrs = ((int)val_span - (Maj_div * 2)) / Maj_div ;
 955         int  incr = incrs / 2;
 956         float factors = hgt1 / incr;
 957
 958
 959
 960         // begin
 961         //this is for moving type pointer
 962         static float ycent, ypoint,xpoint;
 963         static int wth;
 964
 965         ycent = mid_scr.y;
 966         wth=scrn_rect.left+scrn_rect.right;
 967
 968         if(cur_value <= data[centre+1])
 969             if(cur_value > data[centre]) {
 970                 ypoint = ycent + ((cur_value - data[centre]) * hgt/Maj_div);
 971             }
 972
 973         if(cur_value >= data[centre-1])
 974             if(cur_value <= data[centre]) {
 975                 ypoint = ycent - ((data[centre]-cur_value) * hgt/Maj_div);
 976             }
 977
 978         if(cur_value < data[centre-1])
 979             if(cur_value >= minValue) {
 980                 float diff  = minValue  - data[centre-1];
 981                 float diff1 = cur_value - data[centre-1];
 982                 float val = (diff1 * hgt1) / diff;
 983
 984                 ypoint = ycent - hgt -  val;
 985             }
 986
 987
 988         if(cur_value > data[centre+1])
 989             if(cur_value <= maxValue) {
 990                 float diff  = maxValue  - data[centre+1];
 991                 float diff1 = cur_value - data[centre+1];
 992                 float val = (diff1 * hgt1) / diff;
 993
 994                 ypoint = ycent + hgt +  val;
 995             }
 996
 997         if(huds_left(options)) {
 998             xstart = w;
 999
1000             drawOneLine( xstart, ycentre, xstart - 5.0, ycentre); //centre tick
1001
1002             sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling()));
1003
1004             if( !huds_notext(options)) {
1005                 textString (x, ycentre, TextScale, GLUT_BITMAP_8_BY_13,0 );
1006             }
1007
1008             for(i=1;i<5;i++) {
1009                 yfirst  += factor;
1010                 ycentre += factor;
1011                 circles(xstart-2.5,yfirst, 3.0);
1012                 circles(xstart-2.5,ycentre,3.0);
1013             }
1014
1015             yfirst = mid_scr.y - hgt;
1016
1017             for(i=0;i<=incr;i++) {
1018                 drawOneLine( xstart, yfirst, xstart - 5.0, yfirst);
1019                 drawOneLine( xstart,ysecond, xstart - 5.0,ysecond);
1020
1021                 sprintf(TextScale,"%3.0f\n",(float)(data[centre-i-1] * data_scaling()));
1022
1023                 if( !huds_notext(options))
1024                     textString (x, yfirst, TextScale, GLUT_BITMAP_8_BY_13,0 );
1025
1026                 sprintf(TextScale,"%3.0f\n",(float)(data[centre+i+1] * data_scaling()));
1027
1028                 if( !huds_notext(options))
1029                     textString (x, ysecond, TextScale, GLUT_BITMAP_8_BY_13,0 );
1030
1031
1032                 yfirst    -= factors;
1033                 ysecond   += factors;
1034
1035             }
1036             //to draw moving type pointer for left option
1037             //begin
1038             xpoint = wth + 10.0;
1039
1040             if(pointer_type == "moving") {
1041                 drawOneLine(xpoint,ycent,xpoint,ypoint);
1042                 drawOneLine(xpoint,ypoint,xpoint-10.0,ypoint);
1043                 drawOneLine(xpoint-10.0,ypoint,xpoint-5.0,ypoint+5.0);
1044                 drawOneLine(xpoint-10.0,ypoint,xpoint-5.0,ypoint-5.0);
1045             }
1046             //end
1047
1048         } else {
1049             //huds_right
1050             xstart = (x+w)/2;
1051
1052             drawOneLine( xstart, ycentre, xstart + 5.0, ycentre); //centre tick
1053
1054             sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling()));
1055
1056             if( !huds_notext(options)) {
1057                 textString (w, ycentre, TextScale, GLUT_BITMAP_8_BY_13,0 );
1058             }
1059
1060             for(i=1;i<5;i++) {
1061                 yfirst  += factor;
1062                 ycentre += factor;
1063                 circles(xstart+2.5,yfirst, 3.0);
1064                 circles(xstart+2.5,ycentre,3.0);
1065             }
1066
1067             yfirst = mid_scr.y - hgt;
1068
1069             for(i=0;i<=incr;i++) {
1070                 drawOneLine( xstart, yfirst, xstart + 5.0, yfirst);
1071                 drawOneLine( xstart,ysecond, xstart + 5.0,ysecond);
1072
1073                 sprintf(TextScale,"%3.0f\n",(float)(data[centre-i-1] * data_scaling()));
1074
1075                 if( !huds_notext(options))
1076                     textString (w, yfirst, TextScale, GLUT_BITMAP_8_BY_13,0 );
1077
1078                 sprintf(TextScale,"%3.0f\n",(float)(data[centre+i+1] * data_scaling()));
1079
1080                 if( !huds_notext(options))
1081                     textString (w, ysecond, TextScale, GLUT_BITMAP_8_BY_13,0 );
1082
1083                 yfirst -= factors;
1084                 ysecond   += factors;
1085
1086             }
1087
1088             // to draw moving type pointer for right option
1089             //begin
1090             xpoint = scrn_rect.left;
1091
1092             if(pointer_type == "moving") {
1093                 drawOneLine(xpoint,ycent,xpoint,ypoint);
1094                 drawOneLine(xpoint,ypoint,xpoint+10.0,ypoint);
1095                 drawOneLine(xpoint+10.0,ypoint,xpoint+5.0,ypoint+5.0);
1096                 drawOneLine(xpoint+10.0,ypoint,xpoint+5.0,ypoint-5.0);
1097             }
1098             //end
1099         }//end huds_right /left
1100         //end of vertical scale
1101     } else {
1102         //horizontal scale
1103         x=scrn_rect.left;
1104         y=scrn_rect.top;
1105         w=scrn_rect.left+scrn_rect.right;
1106         h=scrn_rect.top+scrn_rect.bottom;
1107         bottom=scrn_rect.right;
1108
1109         float ystart, xfirst, xcentre, xsecond;
1110
1111         float hgt = bottom * 20.0 /100.0;  // 60% of height should be zoomed
1112         xfirst = mid_scr.x - hgt;
1113         xcentre = mid_scr.x;
1114         xsecond = mid_scr.x + hgt;
1115         float range = hgt * 2;
1116
1117         int i;
1118         float factor = range /10.0;
1119
1120         float hgt1 = bottom * 30.0 /100.0;
1121         int  incrs = ((int)val_span - (Maj_div * 2)) / Maj_div ;
1122         int  incr = incrs / 2;
1123         float factors = hgt1 / incr;
1124
1125
1126         //Code for Moving Type Pointer
1127         //begin
1128         static float xcent,xpoint,ypoint;
1129
1130         xcent = mid_scr.x;
1131
1132         if(cur_value <= data[centre+1])
1133             if(cur_value > data[centre]) {
1134                 xpoint = xcent + ((cur_value - data[centre]) * hgt/Maj_div);
1135             }
1136
1137         if(cur_value >= data[centre-1])
1138             if(cur_value <= data[centre]) {
1139                 xpoint = xcent - ((data[centre]-cur_value) * hgt/Maj_div);
1140             }
1141
1142         if(cur_value < data[centre-1])
1143             if(cur_value >= minValue) {
1144                 float diff  = minValue  - data[centre-1];
1145                 float diff1 = cur_value - data[centre-1];
1146                 float val = (diff1 * hgt1) / diff;
1147
1148                 xpoint = xcent - hgt -  val;
1149             }
1150
1151
1152         if(cur_value > data[centre+1])
1153             if(cur_value <= maxValue) {
1154                 float diff  = maxValue  - data[centre+1];
1155                 float diff1 = cur_value - data[centre+1];
1156                 float val = (diff1 * hgt1) / diff;
1157
1158                 xpoint = xcent + hgt +  val;
1159             }
1160
1161         //end
1162         if(huds_top(options)) {
1163
1164             ystart =h;
1165
1166             drawOneLine( xcentre, ystart, xcentre, ystart - 5.0); //centre tick
1167
1168             sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling()));
1169
1170             if( !huds_notext(options)) {
1171                 textString (xcentre-10.0, y, TextScale, GLUT_BITMAP_8_BY_13,0 );
1172             }
1173
1174             for(i=1;i<5;i++) {
1175                 xfirst  += factor;
1176                 xcentre += factor;
1177                 circles(xfirst,  ystart-2.5, 3.0);
1178                 circles(xcentre, ystart-2.5, 3.0);
1179             }
1180
1181             xfirst = mid_scr.x - hgt;
1182
1183             for(i=0;i<=incr;i++) {
1184                 drawOneLine( xfirst,  ystart, xfirst,  ystart - 5.0);
1185                 drawOneLine( xsecond, ystart, xsecond, ystart - 5.0);
1186
1187                 sprintf(TextScale,"%3.0f\n",(float)(data[centre-i-1] * data_scaling()));
1188
1189                 if( !huds_notext(options))
1190                     textString (xfirst-10.0, y, TextScale, GLUT_BITMAP_8_BY_13,0 );
1191
1192                 sprintf(TextScale,"%3.0f\n",(float)(data[centre+i+1] * data_scaling()));
1193
1194                 if( !huds_notext(options))
1195                     textString (xsecond-10.0, y, TextScale, GLUT_BITMAP_8_BY_13,0 );
1196
1197
1198                 xfirst -= factors;
1199                 xsecond   += factors;
1200
1201             }
1202             //this is for moving pointer for top option
1203             //begin
1204
1205             ypoint = scrn_rect.top + scrn_rect.bottom + 10.0;
1206
1207             if(pointer_type == "moving") {
1208                 drawOneLine(xcent, ypoint,xpoint,ypoint);
1209                 drawOneLine(xpoint,ypoint,xpoint,ypoint-10.0);
1210                 drawOneLine(xpoint,ypoint-10.0,xpoint+5.0,ypoint-5.0);
1211                 drawOneLine(xpoint,ypoint-10.0,xpoint-5.0,ypoint-5.0);
1212             }
1213             //end of top option
1214         } else {
1215             //else huds_bottom
1216             ystart = (y+h)/2;
1217
1218             //drawOneLine( xstart, yfirst,  xstart - 5.0, yfirst );
1219             drawOneLine( xcentre, ystart, xcentre, ystart + 5.0); //centre tick
1220
1221             sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling()));
1222
1223             if( !huds_notext(options)) {
1224                 textString (xcentre-10.0, h, TextScale, GLUT_BITMAP_8_BY_13,0 );
1225             }
1226
1227             for(i=1;i<5;i++) {
1228                 xfirst  += factor;
1229                 xcentre += factor;
1230                 circles(xfirst,  ystart+2.5, 3.0);
1231                 circles(xcentre, ystart+2.5,3.0);
1232             }
1233
1234             xfirst = mid_scr.x - hgt;
1235
1236             for(i=0;i<=incr;i++) {
1237                 drawOneLine( xfirst, ystart, xfirst, ystart + 5.0);
1238                 drawOneLine( xsecond,ystart, xsecond,ystart + 5.0);
1239
1240                 sprintf(TextScale,"%3.0f\n",(float)(data[centre-i-1] * data_scaling()));
1241
1242                 if( !huds_notext(options))
1243                     textString (xfirst-10.0,h, TextScale, GLUT_BITMAP_8_BY_13,0 );
1244
1245                 sprintf(TextScale,"%3.0f\n",(float)(data[centre+i+1] * data_scaling()));
1246
1247                 if( !huds_notext(options))
1248                     textString (xsecond-10.0,h, TextScale, GLUT_BITMAP_8_BY_13,0 );
1249
1250
1251                 xfirst -= factors;
1252                 xsecond   += factors;
1253
1254             }
1255             //this is for movimg pointer for bottom option
1256             //begin
1257
1258             ypoint = scrn_rect.top - 10.0;
1259             if(pointer_type == "moving") {
1260                 drawOneLine(xcent, ypoint,xpoint,ypoint);
1261                 drawOneLine(xpoint,ypoint,xpoint,ypoint+10.0);
1262                 drawOneLine(xpoint,ypoint+10.0,xpoint+5.0,ypoint+5.0);
1263                 drawOneLine(xpoint,ypoint+10.0,xpoint-5.0,ypoint+5.0);
1264             }
1265
1266
1267             //end
1268         }//end hud_top or hud_bottom
1269
1270     }  //end of horizontal/vertical scales
1271
1272 }//end draw