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Side by Side Diff: third_party/agg23/agg_curves.cpp

Issue 2382723003: Move core/fxcrt/include to core/fxcrt (Closed)
Patch Set: Rebase to master Created 4 years, 2 months ago
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1 1
2 //---------------------------------------------------------------------------- 2 //----------------------------------------------------------------------------
3 // XYQ: 2006-01-22 Copied from AGG project. 3 // XYQ: 2006-01-22 Copied from AGG project.
4 // TODO: This file uses intensive floating point operations, so it's NOT suitabl e 4 // TODO: This file uses intensive floating point operations, so it's NOT suitabl e
5 // for platforms like Symbian OS. We need to change to FIX format. 5 // for platforms like Symbian OS. We need to change to FIX format.
6 //---------------------------------------------------------------------------- 6 //----------------------------------------------------------------------------
7 //---------------------------------------------------------------------------- 7 //----------------------------------------------------------------------------
8 // Anti-Grain Geometry - Version 2.3 8 // Anti-Grain Geometry - Version 2.3
9 // Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com) 9 // Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
10 // 10 //
11 // Permission to copy, use, modify, sell and distribute this software 11 // Permission to copy, use, modify, sell and distribute this software
12 // is granted provided this copyright notice appears in all copies. 12 // is granted provided this copyright notice appears in all copies.
13 // This software is provided "as is" without express or implied 13 // This software is provided "as is" without express or implied
14 // warranty, and with no claim as to its suitability for any purpose. 14 // warranty, and with no claim as to its suitability for any purpose.
15 // 15 //
16 //---------------------------------------------------------------------------- 16 //----------------------------------------------------------------------------
17 // Contact: mcseem@antigrain.com 17 // Contact: mcseem@antigrain.com
18 // mcseemagg@yahoo.com 18 // mcseemagg@yahoo.com
19 // http://www.antigrain.com 19 // http://www.antigrain.com
20 //---------------------------------------------------------------------------- 20 //----------------------------------------------------------------------------
21 21
22 #include "agg_curves.h" 22 #include "agg_curves.h"
23 #include "agg_math.h" 23 #include "agg_math.h"
24 #include "core/fxcrt/include/fx_basic.h" 24 #include "core/fxcrt/fx_basic.h"
25 25
26 namespace agg 26 namespace agg
27 { 27 {
28 const FX_FLOAT curve_collinearity_epsilon = 1e-30f; 28 const FX_FLOAT curve_collinearity_epsilon = 1e-30f;
29 enum curve_recursion_limit_e { curve_recursion_limit = 16 }; 29 enum curve_recursion_limit_e { curve_recursion_limit = 16 };
30 void curve4_div::init(FX_FLOAT x1, FX_FLOAT y1, 30 void curve4_div::init(FX_FLOAT x1, FX_FLOAT y1,
31 FX_FLOAT x2, FX_FLOAT y2, 31 FX_FLOAT x2, FX_FLOAT y2,
32 FX_FLOAT x3, FX_FLOAT y3, 32 FX_FLOAT x3, FX_FLOAT y3,
33 FX_FLOAT x4, FX_FLOAT y4) 33 FX_FLOAT x4, FX_FLOAT y4)
34 { 34 {
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102 void curve4_div::bezier(FX_FLOAT x1, FX_FLOAT y1, 102 void curve4_div::bezier(FX_FLOAT x1, FX_FLOAT y1,
103 FX_FLOAT x2, FX_FLOAT y2, 103 FX_FLOAT x2, FX_FLOAT y2,
104 FX_FLOAT x3, FX_FLOAT y3, 104 FX_FLOAT x3, FX_FLOAT y3,
105 FX_FLOAT x4, FX_FLOAT y4) 105 FX_FLOAT x4, FX_FLOAT y4)
106 { 106 {
107 m_points.add(point_type(x1, y1)); 107 m_points.add(point_type(x1, y1));
108 recursive_bezier(x1, y1, x2, y2, x3, y3, x4, y4, 0); 108 recursive_bezier(x1, y1, x2, y2, x3, y3, x4, y4, 0);
109 m_points.add(point_type(x4, y4)); 109 m_points.add(point_type(x4, y4));
110 } 110 }
111 } 111 }
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