Replace agg with skia

core/src/fxge/agg/agg23/agg_shorten_path.h

Index: core/src/fxge/agg/agg23/agg_shorten_path.h
diff --git a/core/src/fxge/agg/agg23/agg_shorten_path.h b/core/src/fxge/agg/agg23/agg_shorten_path.h
deleted file mode 100644
index d7eb4be018ca52a16e45191b224567c2de76b28d..0000000000000000000000000000000000000000
--- a/core/src/fxge/agg/agg23/agg_shorten_path.h
+++ /dev/null
@@ -1,57 +0,0 @@
-
-//----------------------------------------------------------------------------
-// Anti-Grain Geometry - Version 2.3
-// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
-//
-// Permission to copy, use, modify, sell and distribute this software
-// is granted provided this copyright notice appears in all copies.
-// This software is provided "as is" without express or implied
-// warranty, and with no claim as to its suitability for any purpose.
-//
-//----------------------------------------------------------------------------
-// Contact: mcseem@antigrain.com
-//          mcseemagg@yahoo.com
-//          http://www.antigrain.com
-//----------------------------------------------------------------------------
-#ifndef AGG_SHORTEN_PATH_INCLUDED
-#define AGG_SHORTEN_PATH_INCLUDED
-#include "agg_basics.h"
-#include "agg_vertex_sequence.h"
-namespace agg
-{
-template<class VertexSequence>
-void shorten_path(VertexSequence& vs, FX_FLOAT s, unsigned closed = 0)
-{
-    typedef typename VertexSequence::value_type vertex_type;
-    if(s > 0 && vs.size() > 1) {
-        FX_FLOAT d;
-        int n = int(vs.size() - 2);
-        while(n) {
-            d = vs[n].dist;
-            if(d > s) {
-                break;
-            }
-            vs.remove_last();
-            s -= d;
-            --n;
-        }
-        if(vs.size() < 2) {
-            vs.remove_all();
-        } else {
-            n = vs.size() - 1;
-            vertex_type& prev = vs[n - 1];
-            vertex_type& last = vs[n];
-            d = (prev.dist - s) / prev.dist;
-            FX_FLOAT x = prev.x + (last.x - prev.x) * d;
-            FX_FLOAT y = prev.y + (last.y - prev.y) * d;
-            last.x = x;
-            last.y = y;
-            if(!prev(last)) {
-                vs.remove_last();
-            }
-            vs.close(closed != 0);
-        }
-    }
-}
-}
-#endif