Replace agg with skia

core/src/fxge/agg/agg23/fx_agg_curves.cpp

Index: core/src/fxge/agg/agg23/fx_agg_curves.cpp
diff --git a/core/src/fxge/agg/agg23/fx_agg_curves.cpp b/core/src/fxge/agg/agg23/fx_agg_curves.cpp
deleted file mode 100644
index 861320ee70131a04e146a74a9cddbb419d5d49d1..0000000000000000000000000000000000000000
--- a/core/src/fxge/agg/agg23/fx_agg_curves.cpp
+++ /dev/null
@@ -1,109 +0,0 @@
-
-//----------------------------------------------------------------------------
-// XYQ: 2006-01-22 Copied from AGG project.
-// TODO: This file uses intensive floating point operations, so it's NOT suitable
-// for platforms like Symbian OS. We need to change to FIX format.
-//----------------------------------------------------------------------------
-//----------------------------------------------------------------------------
-// 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
-//----------------------------------------------------------------------------
-#include "../../../../include/fxcrt/fx_basic.h"
-#include "agg_curves.h"
-#include "agg_math.h"
-namespace agg
-{
-const FX_FLOAT curve_collinearity_epsilon              = 1e-30f;
-enum curve_recursion_limit_e { curve_recursion_limit = 16 };
-void curve4_div::init(FX_FLOAT x1, FX_FLOAT y1,
-                      FX_FLOAT x2, FX_FLOAT y2,
-                      FX_FLOAT x3, FX_FLOAT y3,
-                      FX_FLOAT x4, FX_FLOAT y4)
-{
-    m_points.remove_all();
-    m_distance_tolerance_square = 1.0f / 4;
-    m_distance_tolerance_manhattan = 1.0f * 4;
-    bezier(x1, y1, x2, y2, x3, y3, x4, y4);
-    m_count = 0;
-}
-void curve4_div::recursive_bezier(FX_FLOAT x1, FX_FLOAT y1,
-                                  FX_FLOAT x2, FX_FLOAT y2,
-                                  FX_FLOAT x3, FX_FLOAT y3,
-                                  FX_FLOAT x4, FX_FLOAT y4,
-                                  unsigned level)
-{
-    if(level > curve_recursion_limit) {
-        return;
-    }
-    FX_FLOAT x12   = (x1 + x2) / 2;
-    FX_FLOAT y12   = (y1 + y2) / 2;
-    FX_FLOAT x23   = (x2 + x3) / 2;
-    FX_FLOAT y23   = (y2 + y3) / 2;
-    FX_FLOAT x34   = (x3 + x4) / 2;
-    FX_FLOAT y34   = (y3 + y4) / 2;
-    FX_FLOAT x123  = (x12 + x23) / 2;
-    FX_FLOAT y123  = (y12 + y23) / 2;
-    FX_FLOAT x234  = (x23 + x34) / 2;
-    FX_FLOAT y234  = (y23 + y34) / 2;
-    FX_FLOAT x1234 = (x123 + x234) / 2;
-    FX_FLOAT y1234 = (y123 + y234) / 2;
-    FX_FLOAT dx = x4 - x1;
-    FX_FLOAT dy = y4 - y1;
-    FX_FLOAT d2 = FXSYS_fabs(FXSYS_Mul(x2 - x4, dy) - FXSYS_Mul(y2 - y4, dx));
-    FX_FLOAT d3 = FXSYS_fabs(FXSYS_Mul(x3 - x4, dy) - FXSYS_Mul(y3 - y4, dx));
-    switch((int(d2 > curve_collinearity_epsilon) << 1) +
-            int(d3 > curve_collinearity_epsilon)) {
-        case 0:
-            if(FXSYS_fabs(x1 + x3 - x2 - x2) +
-                    FXSYS_fabs(y1 + y3 - y2 - y2) +
-                    FXSYS_fabs(x2 + x4 - x3 - x3) +
-                    FXSYS_fabs(y2 + y4 - y3 - y3) <= m_distance_tolerance_manhattan) {
-                m_points.add(point_type(x1234, y1234, path_flags_jr));
-                return;
-            }
-            break;
-        case 1:
-            if(FXSYS_Mul(d3, d3) <= FXSYS_Mul(m_distance_tolerance_square,
-                                              FXSYS_Mul(dx, dx) + FXSYS_Mul(dy, dy))) {
-                m_points.add(point_type(x23, y23, path_flags_jr));
-                return;
-            }
-            break;
-        case 2:
-            if(FXSYS_Mul(d2, d2) <= FXSYS_Mul(m_distance_tolerance_square,
-                                              FXSYS_Mul(dx, dx) + FXSYS_Mul(dy, dy))) {
-                m_points.add(point_type(x23, y23, path_flags_jr));
-                return;
-            }
-            break;
-        case 3:
-            if(FXSYS_Mul(d2 + d3, d2 + d3) <= FXSYS_Mul(m_distance_tolerance_square,
-                    FXSYS_Mul(dx, dx) + FXSYS_Mul(dy, dy))) {
-                m_points.add(point_type(x23, y23, path_flags_jr));
-                return;
-            }
-            break;
-    }
-    recursive_bezier(x1, y1, x12, y12, x123, y123, x1234, y1234, level + 1);
-    recursive_bezier(x1234, y1234, x234, y234, x34, y34, x4, y4, level + 1);
-}
-void curve4_div::bezier(FX_FLOAT x1, FX_FLOAT y1,
-                        FX_FLOAT x2, FX_FLOAT y2,
-                        FX_FLOAT x3, FX_FLOAT y3,
-                        FX_FLOAT x4, FX_FLOAT y4)
-{
-    m_points.add(point_type(x1, y1));
-    recursive_bezier(x1, y1, x2, y2, x3, y3, x4, y4, 0);
-    m_points.add(point_type(x4, y4));
-}
-}