PostGIS  2.5.0dev-r@@SVN_REVISION@@
mvt_agg_context* mvt_ctx_combine ( mvt_agg_context ctx1,
mvt_agg_context ctx2 
)

Definition at line 1092 of file mvt.c.

References mvt_agg_context::tile, and vectortile_tile_combine().

Referenced by pgis_asmvt_combinefn().

1093 {
1094  if (ctx1 || ctx2)
1095  {
1096  if (ctx1 && ! ctx2) return ctx1;
1097  if (ctx2 && ! ctx1) return ctx2;
1098  if (ctx1 && ctx2 && ctx1->tile && ctx2->tile)
1099  {
1100  mvt_agg_context *ctxnew = palloc(sizeof(mvt_agg_context));
1101  memset(ctxnew, 0, sizeof(mvt_agg_context));
1102  ctxnew->tile = vectortile_tile_combine(ctx1->tile, ctx2->tile);
1103  return ctxnew;
1104  }
1105  else
1106  {
1107  elog(DEBUG2, "ctx1->tile = %p", ctx1->tile);
1108  elog(DEBUG2, "ctx2->tile = %p", ctx2->tile);
1109  elog(ERROR, "%s: unable to combine contexts where tile attribute is null", __func__);
1110  return NULL;
1111  }
1112  }
1113  else
1114  {
1115  return NULL;
1116  }
1117 }
VectorTile__Tile * tile
Definition: mvt.h:57
static VectorTile__Tile * vectortile_tile_combine(VectorTile__Tile *tile1, VectorTile__Tile *tile2)
Definition: mvt.c:1054

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