KIKIMR-19287: add task_stats_drawing script

1 files changed, 305 insertions, 0 deletions

diff --git a/contrib/python/matplotlib/py2/extern/agg24-svn/include/agg_gamma_lut.h b/contrib/python/matplotlib/py2/extern/agg24-svn/include/agg_gamma_lut.h
new file mode 100644
index 0000000000..ef1e38d809
--- /dev/null
+++ b/contrib/python/matplotlib/py2/extern/agg24-svn/include/agg_gamma_lut.h
@@ -0,0 +1,305 @@
+//----------------------------------------------------------------------------
+// Anti-Grain Geometry - Version 2.4
+// 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_GAMMA_LUT_INCLUDED
+#define AGG_GAMMA_LUT_INCLUDED
+
+#include <math.h>
+#include "agg_basics.h"
+#include "agg_gamma_functions.h"
+
+namespace agg
+{
+    template<class LoResT=int8u, 
+             class HiResT=int8u, 
+             unsigned GammaShift=8, 
+             unsigned HiResShift=8> class gamma_lut
+    {
+    public:
+        typedef gamma_lut<LoResT, HiResT, GammaShift, HiResShift> self_type;
+
+        enum gamma_scale_e
+        {
+            gamma_shift = GammaShift,
+            gamma_size  = 1 << gamma_shift,
+            gamma_mask  = gamma_size - 1
+        };
+
+        enum hi_res_scale_e
+        {
+            hi_res_shift = HiResShift,
+            hi_res_size  = 1 << hi_res_shift,
+            hi_res_mask  = hi_res_size - 1
+        };
+
+        ~gamma_lut()
+        {
+            pod_allocator<LoResT>::deallocate(m_inv_gamma, hi_res_size);
+            pod_allocator<HiResT>::deallocate(m_dir_gamma, gamma_size);
+        }
+
+        gamma_lut() : 
+            m_gamma(1.0), 
+            m_dir_gamma(pod_allocator<HiResT>::allocate(gamma_size)),
+            m_inv_gamma(pod_allocator<LoResT>::allocate(hi_res_size))
+        {
+            unsigned i;
+            for(i = 0; i < gamma_size; i++)
+            {
+                m_dir_gamma[i] = HiResT(i << (hi_res_shift - gamma_shift));
+            }
+
+            for(i = 0; i < hi_res_size; i++)
+            {
+                m_inv_gamma[i] = LoResT(i >> (hi_res_shift - gamma_shift));
+            }
+        }
+
+        gamma_lut(double g) :
+            m_gamma(1.0), 
+            m_dir_gamma(pod_allocator<HiResT>::allocate(gamma_size)),
+            m_inv_gamma(pod_allocator<LoResT>::allocate(hi_res_size))
+        {
+            gamma(g);
+        }
+
+        void gamma(double g) 
+        {
+            m_gamma = g;
+
+            unsigned i;
+            for(i = 0; i < gamma_size; i++)
+            {
+                m_dir_gamma[i] = (HiResT)
+                    uround(pow(i / double(gamma_mask), m_gamma) * double(hi_res_mask));
+            }
+
+            double inv_g = 1.0 / g;
+            for(i = 0; i < hi_res_size; i++)
+            {
+                m_inv_gamma[i] = (LoResT)
+                    uround(pow(i / double(hi_res_mask), inv_g) * double(gamma_mask));
+            }
+        }
+
+        double gamma() const
+        {
+            return m_gamma;
+        }
+
+        HiResT dir(LoResT v) const 
+        { 
+            return m_dir_gamma[unsigned(v)]; 
+        }
+
+        LoResT inv(HiResT v) const 
+        { 
+            return m_inv_gamma[unsigned(v)];
+        }
+
+    private:
+        gamma_lut(const self_type&);
+        const self_type& operator = (const self_type&);
+
+        double m_gamma;
+        HiResT* m_dir_gamma;
+        LoResT* m_inv_gamma;
+    };
+
+    //
+    // sRGB support classes
+    //
+
+    // Optimized sRGB lookup table. The direct conversion (sRGB to linear) 
+    // is a straightforward lookup. The inverse conversion (linear to sRGB) 
+    // is implemented using binary search.
+    template<class LinearType>
+    class sRGB_lut_base
+    {
+    public:
+        LinearType dir(int8u v) const
+        {
+            return m_dir_table[v];
+        }
+
+        int8u inv(LinearType v) const
+        {
+            // Unrolled binary search.
+            int8u x = 0;
+            if (v > m_inv_table[128]) x = 128;
+            if (v > m_inv_table[x + 64]) x += 64;
+            if (v > m_inv_table[x + 32]) x += 32;
+            if (v > m_inv_table[x + 16]) x += 16;
+            if (v > m_inv_table[x + 8]) x += 8;
+            if (v > m_inv_table[x + 4]) x += 4;
+            if (v > m_inv_table[x + 2]) x += 2;
+            if (v > m_inv_table[x + 1]) x += 1;
+            return x;
+        }
+
+    protected:
+        LinearType m_dir_table[256];
+        LinearType m_inv_table[256];
+
+        // Only derived classes may instantiate.
+        sRGB_lut_base() 
+        {
+        }
+    };
+
+    // sRGB_lut - implements sRGB conversion for the various types.
+    // Base template is undefined, specializations are provided below.
+    template<class LinearType>
+    class sRGB_lut;
+
+    template<>
+    class sRGB_lut<float> : public sRGB_lut_base<float>
+    {
+    public:
+        sRGB_lut()
+        {
+            // Generate lookup tables.
+            m_dir_table[0] = 0;
+            m_inv_table[0] = 0;
+            for (unsigned i = 1; i <= 255; ++i)
+            {
+                // Floating-point RGB is in range [0,1].
+                m_dir_table[i] = float(sRGB_to_linear(i / 255.0));
+                m_inv_table[i] = float(sRGB_to_linear((i - 0.5) / 255.0));
+            }
+        }
+    };
+
+    template<>
+    class sRGB_lut<int16u> : public sRGB_lut_base<int16u>
+    {
+    public:
+        sRGB_lut()
+        {
+            // Generate lookup tables.
+            m_dir_table[0] = 0;
+            m_inv_table[0] = 0;
+            for (unsigned i = 1; i <= 255; ++i)
+            {
+                // 16-bit RGB is in range [0,65535].
+                m_dir_table[i] = uround(65535.0 * sRGB_to_linear(i / 255.0));
+                m_inv_table[i] = uround(65535.0 * sRGB_to_linear((i - 0.5) / 255.0));
+            }
+        }
+    };
+
+    template<>
+    class sRGB_lut<int8u> : public sRGB_lut_base<int8u>
+    {
+    public:
+        sRGB_lut()
+        {
+            // Generate lookup tables. 
+            m_dir_table[0] = 0;
+            m_inv_table[0] = 0;
+            for (unsigned i = 1; i <= 255; ++i)
+            {
+                // 8-bit RGB is handled with simple bidirectional lookup tables.
+                m_dir_table[i] = uround(255.0 * sRGB_to_linear(i / 255.0));
+                m_inv_table[i] = uround(255.0 * linear_to_sRGB(i / 255.0));
+            }
+        }
+
+        int8u inv(int8u v) const
+        {
+            // In this case, the inverse transform is a simple lookup.
+            return m_inv_table[v];
+        }
+    };
+
+    // Common base class for sRGB_conv objects. Defines an internal 
+    // sRGB_lut object so that users don't have to.
+    template<class T>
+    class sRGB_conv_base
+    {
+    public:
+        static T rgb_from_sRGB(int8u x)
+        {
+            return lut.dir(x);
+        }
+
+        static int8u rgb_to_sRGB(T x)
+        {
+            return lut.inv(x);
+        }
+
+    private:
+        static sRGB_lut<T> lut;
+    };
+
+    // Definition of sRGB_conv_base::lut. Due to the fact that this a template, 
+    // we don't need to place the definition in a cpp file. Hurrah.
+    template<class T>
+    sRGB_lut<T> sRGB_conv_base<T>::lut;
+
+    // Wrapper for sRGB-linear conversion. 
+    // Base template is undefined, specializations are provided below.
+    template<class T>
+    class sRGB_conv;
+
+    template<>
+    class sRGB_conv<float> : public sRGB_conv_base<float>
+    {
+    public:
+        static float alpha_from_sRGB(int8u x)
+        {
+            return float(x / 255.0);
+        }
+
+        static int8u alpha_to_sRGB(float x)
+        {
+            if (x <= 0) return 0;
+            else if (x >= 1) return 255;
+            else return int8u(0.5 + x * 255);
+        }
+    };
+
+    template<>
+    class sRGB_conv<int16u> : public sRGB_conv_base<int16u>
+    {
+    public:
+        static int16u alpha_from_sRGB(int8u x)
+        {
+            return (x << 8) | x;
+        }
+
+        static int8u alpha_to_sRGB(int16u x)
+        {
+            return x >> 8;
+        }
+    };
+
+    template<>
+    class sRGB_conv<int8u> : public sRGB_conv_base<int8u>
+    {
+    public:
+        static int8u alpha_from_sRGB(int8u x)
+        {
+            return x;
+        }
+
+        static int8u alpha_to_sRGB(int8u x)
+        {
+            return x;
+        }
+    };
+}
+
+#endif