make vdef time part available in the data_calc stage so that the legend printer

can decide properly

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2@832 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/program/src/rrd_graph.c b/program/src/rrd_graph.c
index e8a07b644e39dd7dd4714dbfdb0f184f29281b5d..9a0c46063222dc78c6fef81547a0e03901f47720 100644 (file)
--- a/program/src/rrd_graph.c
+++ b/program/src/rrd_graph.c
@@ -1358,8 +1358,18 @@ print_calc(image_desc_t *im, char ***prdata)
        case GF_LINE:
        case GF_AREA:
        case GF_TICK:
+           graphelement = 1;
+           break;
        case GF_HRULE:
+            if(isnan(im->gdes[i].yrule)) { /* we must set this here or the legend printer can not decide to print the legend */
+               im->gdes[i].yrule=im->gdes[im->gdes[i].vidx].vf.val;
+            };
+           graphelement = 1;
+           break;
        case GF_VRULE:
+            if(im->gdes[i].xrule == 0) { /* again ... the legend printer needs it*/
+              im->gdes[i].xrule = im->gdes[im->gdes[i].vidx].vf.when;
+            };
            graphelement = 1;
            break;
         case GF_COMMENT:
@@ -2858,9 +2868,6 @@ graph_paint(image_desc_t *im, char ***calcpr)
     
     switch(im->gdes[i].gf){
     case GF_HRULE:
-      if(isnan(im->gdes[i].yrule)) { /* fetch variable */
-        im->gdes[i].yrule = im->gdes[im->gdes[i].vidx].vf.val;
-      };
       if(im->gdes[i].yrule >= im->minval
          && im->gdes[i].yrule <= im->maxval)
         gfx_new_line(im->canvas,
@@ -2869,9 +2876,6 @@ graph_paint(image_desc_t *im, char ***calcpr)
                      1.0,im->gdes[i].col); 
       break;
     case GF_VRULE:
-      if(im->gdes[i].xrule == 0) { /* fetch variable */
-        im->gdes[i].xrule = im->gdes[im->gdes[i].vidx].vf.when;
-      };
       if(im->gdes[i].xrule >= im->start
          && im->gdes[i].xrule <= im->end)
         gfx_new_line(im->canvas,
@@ -3800,7 +3804,7 @@ printf("DEBUG: %3li:%10.2f %c\n",step,array[step],step==field?'*':' ');
            if (cnt) {
                if (dst->vf.op == VDEF_TOTAL) {
                    dst->vf.val  = sum*src->step;
-                   dst->vf.when = cnt*src->step;       /* not really "when" */
+                   dst->vf.when = 0;   /* no time component */
                } else {
                    dst->vf.val = sum/cnt;
                    dst->vf.when = 0;   /* no time component */
@@ -3888,21 +3892,21 @@ printf("DEBUG: %3li:%10.2f %c\n",step,array[step],step==field?'*':' ');
            if (cnt) {
                    if (dst->vf.op == VDEF_LSLSLOPE) {
                        dst->vf.val  = slope;
-                       dst->vf.when = cnt*src->step;
+                       dst->vf.when = 0;
                    } else if (dst->vf.op == VDEF_LSLINT)  {
                        dst->vf.val = y_intercept;
-                       dst->vf.when = cnt*src->step;
+                       dst->vf.when = 0;
                    } else if (dst->vf.op == VDEF_LSLCORREL)  {
                        dst->vf.val = correl;
-                       dst->vf.when = cnt*src->step;
+                       dst->vf.when = 0;
                    };
                
            } else {
                dst->vf.val  = DNAN;
                dst->vf.when = 0;
            }
-           }
-           break;
+       }
+       break;
     }
     return 0;
 }