1 /**
2  ** BCC2GRX  -  Interfacing Borland based graphics programs to LIBGRX
3  ** Copyright (C) 1993-97 by Hartmut Schirmer
4  **
5  **
6  ** Contact :                Hartmut Schirmer
7  **                          Feldstrasse 118
8  **                  D-24105 Kiel
9  **                          Germany
10  **
11  ** e-mail : hsc@techfak.uni-kiel.de
12  **
13  ** This file is part of the GRX graphics library.
14  **
15  ** The GRX graphics library is free software; you can redistribute it
16  ** and/or modify it under some conditions; see the "copying.grx" file
17  ** for details.
18  **
19  ** This library is distributed in the hope that it will be useful,
20  ** but WITHOUT ANY WARRANTY; without even the implied warranty of
21  ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
22  **
23  **/
24 
25 #include "libbcc.h"
26 #include "bgiext.h"
27 
28 unsigned char _dac_g256[256][3] = {
29 	 { 0, 0, 0},   { 1, 0, 0},   { 1, 0, 2},   { 0, 1, 1},
30 	 { 1, 1, 1},   { 2, 1, 1},   { 2, 1, 3},   { 1, 2, 2},
31 	 { 2, 2, 2},   { 3, 2, 2},   { 3, 2, 4},   { 2, 3, 3},
32 	 { 3, 3, 3},   { 4, 3, 3},   { 4, 3, 5},   { 3, 4, 4},
33 	 { 4, 4, 4},   { 5, 4, 4},   { 5, 4, 6},   { 4, 5, 5},
34 	 { 5, 5, 5},   { 6, 5, 5},   { 6, 5, 7},   { 5, 6, 6},
35 	 { 6, 6, 6},   { 7, 6, 6},   { 7, 6, 8},   { 6, 7, 7},
36 	 { 7, 7, 7},   { 8, 7, 7},   { 8, 7, 9},   { 7, 8, 8},
37 	 { 8, 8, 8},   { 9, 8, 8},   { 9, 8,10},   { 8, 9, 9},
38 	 { 9, 9, 9},   {10, 9, 9},   {10, 9,11},   { 9,10,10},
39 	 {10,10,10},   {11,10,10},   {11,10,12},   {10,11,11},
40 	 {11,11,11},   {12,11,11},   {12,11,13},   {11,12,12},
41 	 {12,12,12},   {13,12,12},   {13,12,14},   {12,13,13},
42 	 {13,13,13},   {14,13,13},   {14,13,15},   {13,14,14},
43 	 {14,14,14},   {15,14,14},   {15,14,16},   {14,15,15},
44 	 {15,15,15},   {16,15,15},   {16,15,17},   {15,16,16},
45 	 {16,16,16},   {17,16,16},   {17,16,18},   {16,17,17},
46 	 {17,17,17},   {18,17,17},   {18,17,19},   {17,18,18},
47 	 {18,18,18},   {19,18,18},   {19,18,20},   {18,19,19},
48 	 {19,19,19},   {20,19,19},   {20,19,21},   {19,20,20},
49 	 {20,20,20},   {21,20,20},   {21,20,22},   {20,21,21},
50 	 {21,21,21},   {22,21,21},   {22,21,23},   {21,22,22},
51 	 {22,22,22},   {23,22,22},   {23,22,24},   {22,23,23},
52 	 {23,23,23},   {24,23,23},   {24,23,25},   {23,24,24},
53 	 {24,24,24},   {25,24,24},   {25,24,26},   {24,25,25},
54 	 {25,25,25},   {26,25,25},   {26,25,27},   {25,26,26},
55 	 {26,26,26},   {27,26,26},   {27,26,28},   {26,27,27},
56 	 {27,27,27},   {28,27,27},   {28,27,29},   {27,28,28},
57 	 {28,28,28},   {29,28,28},   {29,28,30},   {28,29,29},
58 	 {29,29,29},   {30,29,29},   {30,29,31},   {29,30,30},
59 	 {30,30,30},   {31,30,30},   {31,30,32},   {30,31,31},
60 	 {31,31,31},   {32,31,31},   {32,31,33},   {31,32,32},
61 	 {32,32,32},   {33,32,32},   {33,32,34},   {32,33,33},
62 	 {33,33,33},   {34,33,33},   {34,33,35},   {33,34,34},
63 	 {34,34,34},   {35,34,34},   {35,34,36},   {34,35,35},
64 	 {35,35,35},   {36,35,35},   {36,35,37},   {35,36,36},
65 	 {36,36,36},   {37,36,36},   {37,36,38},   {36,37,37},
66 	 {37,37,37},   {38,37,37},   {38,37,39},   {37,38,38},
67 	 {38,38,38},   {39,38,38},   {39,38,40},   {38,39,39},
68 	 {39,39,39},   {40,39,39},   {40,39,41},   {39,40,40},
69 	 {40,40,40},   {41,40,40},   {41,40,42},   {40,41,41},
70 	 {41,41,41},   {42,41,41},   {42,41,43},   {41,42,42},
71 	 {42,42,42},   {43,42,42},   {43,42,44},   {42,43,43},
72 	 {43,43,43},   {44,43,43},   {44,43,45},   {43,44,44},
73 	 {44,44,44},   {45,44,44},   {45,44,46},   {44,45,45},
74 	 {45,45,45},   {46,45,45},   {46,45,47},   {45,46,46},
75 	 {46,46,46},   {47,46,46},   {47,46,48},   {46,47,47},
76 	 {47,47,47},   {48,47,47},   {48,47,49},   {47,48,48},
77 	 {48,48,48},   {49,48,48},   {49,48,50},   {48,49,49},
78 	 {49,49,49},   {50,49,49},   {50,49,51},   {49,50,50},
79 	 {50,50,50},   {51,50,50},   {51,50,52},   {50,51,51},
80 	 {51,51,51},   {52,51,51},   {52,51,53},   {51,52,52},
81 	 {52,52,52},   {53,52,52},   {53,52,54},   {52,53,53},
82 	 {53,53,53},   {54,53,53},   {54,53,55},   {53,54,54},
83 	 {54,54,54},   {55,54,54},   {55,54,56},   {54,55,55},
84 	 {55,55,55},   {56,55,55},   {56,55,57},   {55,56,56},
85 	 {56,56,56},   {57,56,56},   {57,56,58},   {56,57,57},
86 	 {57,57,57},   {58,57,57},   {58,57,59},   {57,58,58},
87 	 {58,58,58},   {59,58,58},   {59,58,60},   {58,59,59},
88 	 {59,59,59},   {60,59,59},   {60,59,61},   {59,60,60},
89 	 {60,60,60},   {61,60,60},   {61,60,62},   {60,61,61},
90 	 {61,61,61},   {62,61,61},   {62,61,63},   {61,62,62},
91 	 {62,62,62},   {63,62,62},   {63,62,63},   {62,63,63},
92 	 {63,63,63},   {63,63,63},   {63,63,63},   {63,63,63}
93 };
94 
setrgbgray256(void)95 void setrgbgray256(void)
96 {
97   int ci;
98 
99   for (ci = 0; ci < 256; ++ci)
100     setrgbpalette( ci, _dac_g256[ci][0], _dac_g256[ci][1], _dac_g256[ci][2]);
101 }
102 
103