src/Cockpit/hud_labl.cxx

   1
   2 #include "hud.hxx"
   3
   4
   5 #ifdef USE_HUD_TextList
   6 #define textString( x , y, text, digit )  TextString( text, x , y,digit ) //suma
   7 #else
   8 #define textString( x , y, text, digit )  puDrawString ( guiFnt, text, x, y ); //suma
   9 #endif
  10
  11 //======================= Top of instr_label class =========================
  12 instr_label ::
  13          instr_label( int           x,
  14                       int           y,
  15                       UINT          width,
  16                       UINT          height,
  17                       FLTFNPTR      data_source,
  18                       const char   *label_format,
  19                       const char   *pre_label_string,
  20                       const char   *post_label_string,
  21                       float        scale_data,
  22                       UINT          options,
  23                       fgLabelJust   justification,
  24                       int           font_size,
  25                       int           blinking,
  26                                       bool                      latitude,
  27                                       bool                      longitude,
  28                                           bool                  label_box,//hud
  29                       bool          working,
  30                                           int                   digit):  //suma
  31                            instr_item( x, y, width, height,
  32                                        data_source,scale_data,options, working, digit), //suma
  33                            pformat  ( label_format      ),
  34                            pre_str  ( pre_label_string  ),
  35                            post_str ( post_label_string ),
  36                            justify  ( justification     ),
  37                            fontSize ( font_size         ),
  38                            blink    ( blinking          ),
  39                                                    lat          ( latitude                      ),
  40                                                    lon          ( longitude                     ),
  41                                                    lbox         ( label_box                     ) //hud
  42
  43 {
  44   if( pre_str != NULL) {
  45     if( post_str != NULL ) {
  46       sprintf( format_buffer, "%s%s%s", pre_str, pformat, post_str );
  47       }
  48     else {
  49       sprintf( format_buffer, "%s%s",   pre_str, pformat );
  50       }
  51     }
  52   else {
  53     if( post_str != NULL ) {
  54       sprintf( format_buffer, "%s%s",   pformat, post_str );
  55       }
  56     } // else do nothing if both pre and post strings are nulls. Interesting.
  57
  58 }
  59
  60 // I put this in to make it easy to construct a class member using the current
  61 // C code.
  62
  63
  64 instr_label :: ~instr_label()
  65 {
  66 }
  67
  68 // Copy constructor
  69 instr_label :: instr_label( const instr_label & image) :
  70                               instr_item((const instr_item &)image),
  71                               pformat    ( image.pformat    ),
  72                               pre_str  ( image.pre_str  ),
  73                               post_str ( image.post_str ),
  74                               blink    ( image.blink    ),
  75                                                           lat      ( image.lat          ),
  76                                                           lon      ( image.lon          ),
  77                                                           lbox     (image.lbox          ) //hud
  78
  79 {
  80   if( pre_str != NULL) {
  81     if( post_str != NULL ) {
  82       sprintf( format_buffer, "%s%s%s", pre_str, pformat, post_str );
  83       }
  84     else {
  85       sprintf( format_buffer, "%s%s",   pre_str, pformat );
  86       }
  87     }
  88   else {
  89     if( post_str != NULL ) {
  90       sprintf( format_buffer, "%s%s",   pformat, post_str );
  91       }
  92     } // else do nothing if both pre and post strings are nulls. Interesting.
  93
  94 }
  95
  96
  97 //
  98 // draw                    Draws a label anywhere in the HUD
  99 //
 100 //
 101 void instr_label ::
 102 draw( void )       // Required method in base class
 103 {
 104 //  char format_buffer[80];
 105   char label_buffer[80];
 106   int posincr;
 107   int lenstr;
 108   RECT  scrn_rect = get_location();
 109
 110   if( data_available() ) {
 111         if(lat)
 112                 sprintf( label_buffer, format_buffer, coord_format_lat(get_value()) );
 113         else
 114         if(lon)
 115                 sprintf( label_buffer, format_buffer, coord_format_lon(get_value()) );
 116         else
 117         {
 118                 if(lbox)//hud
 119                         {// Box for label
 120                                 float x = scrn_rect.left;
 121                                 float y = scrn_rect.top;
 122                                 float w = scrn_rect.right;
 123                         float h = HUD_TextSize;
 124
 125                                 glPushMatrix();
 126                                 glLoadIdentity();
 127                                 glBegin(GL_LINES);
 128                                         glVertex2f( x - 2.0,  y - 2.0);
 129                                         glVertex2f( x + w + 2.0, y - 2.0);
 130                                         glVertex2f( x + w + 2.0, y + h + 2.0);
 131                                         glVertex2f( x - 2.0,  y + h + 2.0);
 132                                 glEnd();
 133                         glEnable(GL_LINE_STIPPLE);
 134                                 glLineStipple( 1, 0xAAAA );
 135                                 glBegin(GL_LINES);
 136                                         glVertex2f( x + w + 2.0, y - 2.0);
 137                                         glVertex2f( x + w + 2.0, y + h + 2.0);
 138                                         glVertex2f( x - 2.0,  y + h + 2.0);
 139                                         glVertex2f( x - 2.0,  y - 2.0);
 140                                 glEnd();
 141                         glDisable(GL_LINE_STIPPLE);
 142                                 glPopMatrix();
 143                         }//hud
 144                 sprintf( label_buffer, format_buffer, get_value()*data_scaling() );
 145         }
 146   }
 147   else {
 148 //    sprintf( label_buffer, format_buffer );
 149   }
 150
 151   lenstr = getStringWidth( label_buffer );
 152
 153
 154 #ifdef DEBUGHUD
 155   fgPrintf( SG_COCKPIT, SG_DEBUG,  format_buffer );
 156   fgPrintf( SG_COCKPIT, SG_DEBUG,  "\n" );
 157   fgPrintf( SG_COCKPIT, SG_DEBUG, label_buffer );
 158   fgPrintf( SG_COCKPIT, SG_DEBUG, "\n" );
 159 #endif
 160   lenstr = strlen( label_buffer );
 161
 162   if( justify == RIGHT_JUST ) {
 163           posincr = scrn_rect.right - lenstr;
 164   }else if( justify == CENTER_JUST ) {
 165           posincr = get_span() - (lenstr/2); //  -lenstr*4;
 166   }  else {
 167       //  justify == LEFT_JUST
 168       posincr = 0;  // 0;
 169   }
 170
 171   if( fontSize == HUD_FONT_SMALL ) {
 172     textString( scrn_rect.left + posincr, scrn_rect.top,
 173                 label_buffer, get_digits()); //suma
 174     }
 175   else  {
 176     if( fontSize == HUD_FONT_LARGE ) {
 177       textString( scrn_rect.left + posincr, scrn_rect.top,
 178                   label_buffer, get_digits()); //suma
 179       }
 180     }
 181 }
 182