nsdfont/src/ColorBlender.cpp

   1 /*\r
   2  *      Kimikage NScripter Plugins Project\r
   3  *\r
   4  *      This software is distributed under a MIT-style license.\r
   5  *      See license.txt for more information.\r
   6  */\r
   7 \r
   8 #include "ColorBlender.h"\r
   9 \r
  10 namespace nsdfont\r
  11 {\r
  12         ColorBlender::ColorBlender( void )\r
  13         {\r
  14         }\r
  15 \r
  16         ColorBlender::~ColorBlender( void )\r
  17         {\r
  18         }\r
  19 \r
  20         ColorBlender::MulTable::MulTable( void )\r
  21         {\r
  22                 size_t i = 0;\r
  23                 for( int y = 0; y < 256; ++y )\r
  24                 {\r
  25                         int acc = 0;\r
  26                         for(;;)\r
  27                         {\r
  28                                 table[i++] = static_cast<unsigned char>( (acc + 255) / 510 );\r
  29                                 if ( (i & 0xFF) == 0 ) break;\r
  30                                 acc += y + y;\r
  31                         }\r
  32                 }\r
  33         }\r
  34 \r
  35         ColorBlender::DivTable::DivTable( void )\r
  36         {\r
  37                 size_t i = 0x100;\r
  38                 for( int divider = 1; divider < 256; ++divider )\r
  39                 {\r
  40                         const int divider2 = divider << 1;\r
  41                         for( int x = 0; x < 256 * 510; x += 510 )\r
  42                         {\r
  43                                 // x <= divider2 \82Å\83I\81[\83o\81[\83t\83\8d\81[\r
  44                                 table[i++] = static_cast<unsigned char>( (x + divider) / divider2 );\r
  45                         }\r
  46                 }\r
  47         }\r
  48         \r
  49         const ColorBlender::MulTable ColorBlender::mulTable;\r
  50         const ColorBlender::DivTable ColorBlender::divTable;\r
  51 }