xbmc/pictures/PictureScalingAlgorithm.h

   1 /*
   2  *  Copyright (C) 2015-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include <map>
  12 #include <string>
  13
  14 class CPictureScalingAlgorithm
  15 {
  16 public:
  17   typedef enum Algorithm
  18   {
  19     NoAlgorithm,
  20     FastBilinear,
  21     Bilinear,
  22     Bicubic,
  23     Experimental,
  24     NearestNeighbor,
  25     AveragingArea,
  26     Bicublin,
  27     Gaussian,
  28     Sinc,
  29     Lanczos,
  30     BicubicSpline
  31   } Algorithm;
  32
  33   static Algorithm Default;
  34
  35   static Algorithm FromString(const std::string& scalingAlgorithm);
  36   static std::string ToString(Algorithm scalingAlgorithm);
  37   static int ToSwscale(const std::string& scalingAlgorithm);
  38   static int ToSwscale(Algorithm scalingAlgorithm);
  39
  40 private:
  41   CPictureScalingAlgorithm();
  42
  43   typedef struct ScalingAlgorithm
  44   {
  45     std::string name;
  46     int swscale;
  47   } ScalingAlgorithm;
  48
  49   typedef std::map<CPictureScalingAlgorithm::Algorithm, CPictureScalingAlgorithm::ScalingAlgorithm> AlgorithmMap;
  50   static AlgorithmMap m_algorithms;
  51 };