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C/C++ Source or Header  |  1993-04-07  |  4.1 KB  |  92 lines
  1. /*
  2.  *  BCC2GRX  -  Interfacing Borland based graphics programs to LIBGRX
  3.  *  Copyright (C) 1993  Hartmut Schirmer
  4.  *
  5.  *  see bccgrx.c for details
  6.  */
  7.  
  8. #ifdef __TURBOC__
  9. #  include <graphics.h>
  10. #endif
  11. #ifdef __GNUC__
  12. #  include "../include/libbcc.h"
  13. #endif
  14.  
  15. #include "../include/bgiext.h"
  16.  
  17. unsigned char _dac_g256[256][3] = {
  18.      { 0, 0, 0},   { 1, 0, 0},   { 1, 0, 2},   { 0, 1, 1},
  19.      { 1, 1, 1},   { 2, 1, 1},   { 2, 1, 3},   { 1, 2, 2},
  20.      { 2, 2, 2},   { 3, 2, 2},   { 3, 2, 4},   { 2, 3, 3},
  21.      { 3, 3, 3},   { 4, 3, 3},   { 4, 3, 5},   { 3, 4, 4},
  22.      { 4, 4, 4},   { 5, 4, 4},   { 5, 4, 6},   { 4, 5, 5},
  23.      { 5, 5, 5},   { 6, 5, 5},   { 6, 5, 7},   { 5, 6, 6},
  24.      { 6, 6, 6},   { 7, 6, 6},   { 7, 6, 8},   { 6, 7, 7},
  25.      { 7, 7, 7},   { 8, 7, 7},   { 8, 7, 9},   { 7, 8, 8},
  26.      { 8, 8, 8},   { 9, 8, 8},   { 9, 8,10},   { 8, 9, 9},
  27.      { 9, 9, 9},   {10, 9, 9},   {10, 9,11},   { 9,10,10},
  28.      {10,10,10},   {11,10,10},   {11,10,12},   {10,11,11},
  29.      {11,11,11},   {12,11,11},   {12,11,13},   {11,12,12},
  30.      {12,12,12},   {13,12,12},   {13,12,14},   {12,13,13},
  31.      {13,13,13},   {14,13,13},   {14,13,15},   {13,14,14},
  32.      {14,14,14},   {15,14,14},   {15,14,16},   {14,15,15},
  33.      {15,15,15},   {16,15,15},   {16,15,17},   {15,16,16},
  34.      {16,16,16},   {17,16,16},   {17,16,18},   {16,17,17},
  35.      {17,17,17},   {18,17,17},   {18,17,19},   {17,18,18},
  36.      {18,18,18},   {19,18,18},   {19,18,20},   {18,19,19},
  37.      {19,19,19},   {20,19,19},   {20,19,21},   {19,20,20},
  38.      {20,20,20},   {21,20,20},   {21,20,22},   {20,21,21},
  39.      {21,21,21},   {22,21,21},   {22,21,23},   {21,22,22},
  40.      {22,22,22},   {23,22,22},   {23,22,24},   {22,23,23},
  41.      {23,23,23},   {24,23,23},   {24,23,25},   {23,24,24},
  42.      {24,24,24},   {25,24,24},   {25,24,26},   {24,25,25},
  43.      {25,25,25},   {26,25,25},   {26,25,27},   {25,26,26},
  44.      {26,26,26},   {27,26,26},   {27,26,28},   {26,27,27},
  45.      {27,27,27},   {28,27,27},   {28,27,29},   {27,28,28},
  46.      {28,28,28},   {29,28,28},   {29,28,30},   {28,29,29},
  47.      {29,29,29},   {30,29,29},   {30,29,31},   {29,30,30},
  48.      {30,30,30},   {31,30,30},   {31,30,32},   {30,31,31},
  49.      {31,31,31},   {32,31,31},   {32,31,33},   {31,32,32},
  50.      {32,32,32},   {33,32,32},   {33,32,34},   {32,33,33},
  51.      {33,33,33},   {34,33,33},   {34,33,35},   {33,34,34},
  52.      {34,34,34},   {35,34,34},   {35,34,36},   {34,35,35},
  53.      {35,35,35},   {36,35,35},   {36,35,37},   {35,36,36},
  54.      {36,36,36},   {37,36,36},   {37,36,38},   {36,37,37},
  55.      {37,37,37},   {38,37,37},   {38,37,39},   {37,38,38},
  56.      {38,38,38},   {39,38,38},   {39,38,40},   {38,39,39},
  57.      {39,39,39},   {40,39,39},   {40,39,41},   {39,40,40},
  58.      {40,40,40},   {41,40,40},   {41,40,42},   {40,41,41},
  59.      {41,41,41},   {42,41,41},   {42,41,43},   {41,42,42},
  60.      {42,42,42},   {43,42,42},   {43,42,44},   {42,43,43},
  61.      {43,43,43},   {44,43,43},   {44,43,45},   {43,44,44},
  62.      {44,44,44},   {45,44,44},   {45,44,46},   {44,45,45},
  63.      {45,45,45},   {46,45,45},   {46,45,47},   {45,46,46},
  64.      {46,46,46},   {47,46,46},   {47,46,48},   {46,47,47},
  65.      {47,47,47},   {48,47,47},   {48,47,49},   {47,48,48},
  66.      {48,48,48},   {49,48,48},   {49,48,50},   {48,49,49},
  67.      {49,49,49},   {50,49,49},   {50,49,51},   {49,50,50},
  68.      {50,50,50},   {51,50,50},   {51,50,52},   {50,51,51},
  69.      {51,51,51},   {52,51,51},   {52,51,53},   {51,52,52},
  70.      {52,52,52},   {53,52,52},   {53,52,54},   {52,53,53},
  71.      {53,53,53},   {54,53,53},   {54,53,55},   {53,54,54},
  72.      {54,54,54},   {55,54,54},   {55,54,56},   {54,55,55},
  73.      {55,55,55},   {56,55,55},   {56,55,57},   {55,56,56},
  74.      {56,56,56},   {57,56,56},   {57,56,58},   {56,57,57},
  75.      {57,57,57},   {58,57,57},   {58,57,59},   {57,58,58},
  76.      {58,58,58},   {59,58,58},   {59,58,60},   {58,59,59},
  77.      {59,59,59},   {60,59,59},   {60,59,61},   {59,60,60},
  78.      {60,60,60},   {61,60,60},   {61,60,62},   {60,61,61},
  79.      {61,61,61},   {62,61,61},   {62,61,63},   {61,62,62},
  80.      {62,62,62},   {63,62,62},   {63,62,63},   {62,63,63},
  81.      {63,63,63},   {63,63,63},   {63,63,63},   {63,63,63}
  82. };
  83.  
  84. void setrgbgray256(void)
  85. {
  86.   int ci;
  87.  
  88.   for (ci = 0; ci < 256; ++ci)
  89.     setrgbpalette( ci, _dac_g256[ci][0], _dac_g256[ci][1], _dac_g256[ci][2]);
  90. }
  91.  
  92.