Fossil

  db_finalize(&q);
  if( pGraph ){
    graph_finish(pGraph, 1);
    if( pGraph->nErr ){
      graph_free(pGraph);
      pGraph = 0;
    }else{
      int w = pGraph->mxRail*pGraph->iRailPitch + 28;
      @ <tr><td></td><td>
      @ <div id="grbtm" style="width:%d(w)px;"></div>
      @     </td><td></td></tr>
    }
  }
  @ </table>
  timeline_output_graph_javascript(pGraph, 0, 1);

      graph_free(pGraph);
      pGraph = 0;
    }else{
      int w;
      /* style is not moved to css, because this is
      ** a technical div for the timeline graph
      */
      w = pGraph->mxRail*pGraph->iRailPitch + 28;
      @ <tr><td></td><td>
      @ <div id="grbtm" style="width:%d(w)px;"></div>
      @ </td><td></td></tr>
    }
  }
  @ </table>
  if( fchngQueryInit ) db_finalize(&fchngQuery);

  int omitDescenders,       /* True to omit descenders */
  int fileDiff              /* True for file diff.  False for check-in diff */
){
  if( pGraph && pGraph->nErr==0 && pGraph->nRow>0 ){
    GraphRow *pRow;
    int i;
    char cSep;
    int mergeOffset;     /* Pixel offset from rail to merge riser */
    int iRailPitch;      /* Pixels between consecutive rails */
    iRailPitch = pGraph->iRailPitch;

    /* Number of pixels that the thin merge lines are offset from the
    ** the center of the think rail lines.  If zero, then the vertical
    ** merge lines overlap with the thicker rail lines.
    */
    mergeOffset = iRailPitch>=14 ? 4 : iRailPitch>=13 ? 3 : 0;
    if( PB("nomo") ) mergeOffset = 0;

    @ <script>
    @ var railPitch=%d(iRailPitch);

    /* the rowinfo[] array contains all the information needed to generate
    ** the graph.  Each entry contains information for a single row:
    **
    **   id:  The id of the <div> element for the row. This is an integer.
    **        to get an actual id, prepend "m" to the integer.  The top node
    **        is 1 and numbers increase moving down the timeline.

    */
    cgi_printf("var rowinfo = [\n");
    for(pRow=pGraph->pFirst; pRow; pRow=pRow->pNext){
      int mo = pRow->mergeOut;
      if( mo<0 ){
        mo = 0;
      }else{
        int x = (mo/4)*iRailPitch;
        switch( mo&3 ){
          case 0: x -= mergeOffset-2;  break;
          case 1: x += 1;              break;
          case 2: x += mergeOffset+1;  break;
        }
        mo = x;
      }

      }
      if( cSep=='[' ) cgi_printf("[");
      cgi_printf("],mi:");
      /* mi */
      cSep = '[';
      for(i=0; i<GR_MAX_RAIL; i++){
        if( pRow->mergeIn[i] ){
          int mi = i*iRailPitch;
          if( pRow->mergeIn[i]==1 ) mi -= mergeOffset-1;
          if( pRow->mergeIn[i]==3 ) mi += mergeOffset;
          if( pRow->mergeDown & (1<<i) ) mi = -mi;
          cgi_printf("%c%d", cSep, mi);
          cSep = ',';
        }
      }
      if( cSep=='[' ) cgi_printf("[");
      cgi_printf("],h:\"%s\"}%s", pRow->zUuid, pRow->pNext ? ",\n" : "];\n");

    @     var u = rowinfo[p.mu-1];
    @     var y0 = u.y+5;
    @     if( x1>=p.x-5 && x1<=p.x+5 ){
    @       y1 = p.y-5;
    @     }else{
    @       drawThinLine(x0,y1,x1,y1);
    @     }
    if( mergeOffset>0 ) cgi_printf("if( p.mo!=p.u-1 ) ");
    @     drawThinLine(x1,y0,x1,y1);
    @   }
    @   var n = p.au.length;
    @   for(var i=0; i<n; i+=2){
    @     var x1 = p.au[i]*railPitch + left;
    @     var x0 = x1>p.x ? p.x+7 : p.x-6;
    @     var u = rowinfo[p.au[i+1]-1];

     Common ancestor path of e663bac6f7 to a298a0e2f9.</a>
  *  <a href="../../../timeline?f=65dd90fb95a2af55" target="testwindow">
     Merge on the same branch does not result in a leaf.
     </a>
  *  <a href="../../../timeline?c=20015206bc"
     target="testwindow">
     This timeline has a hidden commit.</a> Click Unhide to reveal.
  *  <a href="../../../timeline?y=ci&n=15&b=2a4e4cf03e"
     target="testwindow">Isolated check-ins.</a>

External:

  *  <a href="http://www.sqlite.org/src/timeline?c=2010-09-29&nd"
     target="testwindow">Timewarp due to a mis-configured system clock.</a>
  *  <a href="http://core.tcl.tk/tk/finfo?name=tests/id.test"
     target="testwindow">Show all three separate deletions of "id.test".
     (Scroll down for the third deletion.)
  *  <a href='http://core.tcl.tk/tk/timeline?y=ci&b=2015-03-07'
     target='testwindow'>Merge arrows to the left and to the right</a>
  *  <a href='http://core.tcl.tk/tk/timeline?y=ci&b=2015-03-07&railpitch=13'
     target='testwindow'>Previous, with a scrunched graph</a>
  *  <a href='http://core.tcl.tk/tk/timeline?y=ci&b=2015-03-07&railpitch=11'
     target='testwindow'>Previous, with a severely scrunched graph</a>