From 393070ae6c48886979e9947330ec5763a093152a Mon Sep 17 00:00:00 2001
From: Dane Springmeyer <dane@mapbox.com>
Date: Mon, 12 Oct 2015 10:10:08 -0700
Subject: [PATCH] remove unused code

---
 include/mapnik/grid/grid_util.hpp | 112 ------------------------------
 1 file changed, 112 deletions(-)
 delete mode 100644 include/mapnik/grid/grid_util.hpp

diff --git a/include/mapnik/grid/grid_util.hpp b/include/mapnik/grid/grid_util.hpp
deleted file mode 100644
index 826d2e15d..000000000
--- a/include/mapnik/grid/grid_util.hpp
+++ /dev/null
@@ -1,112 +0,0 @@
-/*****************************************************************************
- *
- * This file is part of Mapnik (c++ mapping toolkit)
- *
- * Copyright (C) 2015 Artem Pavlenko
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
- *****************************************************************************/
-
-#ifndef GRID_UTIL_HPP
-#define GRID_UTIL_HPP
-
-// mapnik
-#include <mapnik/grid/grid.hpp>
-
-namespace mapnik {
-
-/*
- * Nearest neighbor resampling for grids
- */
-
-static inline void scale_grid(mapnik::grid::data_type & target,
-                              const mapnik::grid::data_type & source,
-                              double x_off_f, double y_off_f)
-{
-
-    int source_width=source.width();
-    int source_height=source.height();
-
-    int target_width=target.width();
-    int target_height=target.height();
-
-    if (source_width<1 || source_height<1 ||
-        target_width<1 || target_height<1) return;
-    int x = 0;
-    int y = 0;
-    int xs = 0;
-    int ys = 0;
-    int tw2 = target_width/2;
-    int th2 = target_height/2;
-    int offs_x = rint((source_width-target_width-x_off_f*2*source_width)/2);
-    int offs_y = rint((source_height-target_height-y_off_f*2*source_height)/2);
-    unsigned yprt = 0;
-    unsigned yprt1 = 0;
-    unsigned xprt = 0;
-    unsigned xprt1 = 0;
-
-    //no scaling or subpixel offset
-    if (target_height == source_height && target_width == source_width && offs_x == 0 && offs_y == 0){
-        for (y=0;y<target_height;++y)
-            target.set_row(y,source.get_row(y),target_width);
-        return;
-    }
-
-    for (y=0;y<target_height;++y)
-    {
-        ys = (y*source_height+offs_y)/target_height;
-        int ys1 = ys+1;
-        if (ys1>=source_height)
-            ys1--;
-        if (ys<0)
-            ys=ys1=0;
-        if (source_height/2<target_height)
-            yprt = (y*source_height+offs_y)%target_height;
-        else
-            yprt = th2;
-        yprt1 = target_height-yprt;
-        for (x=0;x<target_width;++x)
-        {
-            xs = (x*source_width+offs_x)/target_width;
-            if (source_width/2<target_width)
-                xprt = (x*source_width+offs_x)%target_width;
-            else
-                xprt = tw2;
-            xprt1 = target_width-xprt;
-            int xs1 = xs+1;
-            if (xs1>=source_width)
-                xs1--;
-            if (xs<0)
-                xs=xs1=0;
-
-            mapnik::grid::value_type a = source(xs,ys);
-            mapnik::grid::value_type b = source(xs1,ys);
-            mapnik::grid::value_type c = source(xs,ys1);
-            mapnik::grid::value_type d = source(xs1,ys1);
-
-            if ((a > 0) && (b > 0))
-                target(x,y) = b;
-            else if ((c > 0) && (d > 0))
-                target(x,y) = d;
-            else
-                target(x,y) = a;
-        }
-    }
-}
-
-}
-
-#endif // GRID_UTIL_HPP