/* $Id: colors.h,v 1.3 2000-03-01 21:55:42 sandervl Exp $ */ /* File name : colors.h * Version : 2.3 * * Header file for display driver for Mesa 2.3 under * Windows95 and WindowsNT * This file defines macros and global variables needed * for converting color format * * Copyright (C) 1996- Li Wei * Address : Institute of Artificial Intelligence * : & Robotics * : Xi'an Jiaotong University * Email : liwei@aiar.xjtu.edu.cn * Web page : http://sun.aiar.xjtu.edu.cn * * This file and its associations are partially based on the * Windows NT driver for Mesa, written by Mark Leaming * (mark@rsinc.com). */ /* $Log: ddcolors.h 1997/6/14 by Li Wei(liwei@aiar.xjtu.edu.cn) * Macros for pixel format defined */ /* * $Log: colors.h,v $ * Revision 1.3 2000-03-01 21:55:42 sandervl * color conversion bugfix for 16 bpp * * Revision 1.2 2000/03/01 18:49:24 jeroen * *** empty log message *** * * Revision 1.1.1.1 1999/08/19 00:55:42 jtg * Imported sources * * Revision 1.2 1999/01/03 03:08:57 brianp * Ted Jump's changes * * Revision 1.1 1999/01/03 03:08:12 brianp * Initial revision * * Revision 2.0.2 1997/4/30 15:58:00 CST by Li Wei(liwei@aiar.xjtu.edu.cn) * Add LUTs need for dithering */ /* * $Log: colors.h,v $ * Revision 1.3 2000-03-01 21:55:42 sandervl * color conversion bugfix for 16 bpp * * Revision 1.2 2000/03/01 18:49:24 jeroen * *** empty log message *** * * Revision 1.1.1.1 1999/08/19 00:55:42 jtg * Imported sources * * Revision 1.2 1999/01/03 03:08:57 brianp * Ted Jump's changes * * Revision 1.1 1999/01/03 03:08:12 brianp * Initial revision * * Revision 2.0.1 1997/4/29 15:52:00 CST by Li Wei(liwei@aiar.xjtu.edu.cn) * Add BGR8 Macro */ /* * $Log: colors.h,v $ * Revision 1.3 2000-03-01 21:55:42 sandervl * color conversion bugfix for 16 bpp * * Revision 1.2 2000/03/01 18:49:24 jeroen * *** empty log message *** * * Revision 1.1.1.1 1999/08/19 00:55:42 jtg * Imported sources * * Revision 1.2 1999/01/03 03:08:57 brianp * Ted Jump's changes * * Revision 1.1 1999/01/03 03:08:12 brianp * Initial revision * * Revision 2.0 1996/11/15 10:55:00 CST by Li Wei(liwei@aiar.xjtu.edu.cn) * Initial revision */ /* Values for wmesa->pixelformat: */ #define PF_8A8B8G8R 3 /* 32-bit TrueColor: 8-A, 8-B, 8-G, 8-R */ #define PF_8R8G8B 4 /* 32-bit TrueColor: 8-R, 8-G, 8-B */ #define PF_5R6G5B 5 /* 16-bit TrueColor: 5-R, 6-G, 5-B bits */ #define PF_DITHER8 6 /* Dithered RGB using a lookup table */ #define PF_LOOKUP 7 /* Undithered RGB using a lookup table */ #define PF_GRAYSCALE 10 /* Grayscale or StaticGray */ #define PF_BADFORMAT 11 #define PF_INDEX8 12 static char ColorMap16[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01, 0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02, 0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03, 0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04, 0x05,0x05,0x05,0x05,0x05,0x05,0x05,0x05, 0x06,0x06,0x06,0x06,0x06,0x06,0x06,0x06, 0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07, 0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08, 0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x09, 0x0A,0x0A,0x0A,0x0A,0x0A,0x0A,0x0A,0x0A, 0x0B,0x0B,0x0B,0x0B,0x0B,0x0B,0x0B,0x0B, 0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C, 0x0D,0x0D,0x0D,0x0D,0x0D,0x0D,0x0D,0x0D, 0x0E,0x0E,0x0E,0x0E,0x0E,0x0E,0x0E,0x0E, 0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F, 0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10, 0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11, 0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, 0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13, 0x14,0x14,0x14,0x14,0x14,0x14,0x14,0x14, 0x15,0x15,0x15,0x15,0x15,0x15,0x15,0x15, 0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16, 0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x17, 0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18, 0x19,0x19,0x19,0x19,0x19,0x19,0x19,0x19, 0x1A,0x1A,0x1A,0x1A,0x1A,0x1A,0x1A,0x1A, 0x1B,0x1B,0x1B,0x1B,0x1B,0x1B,0x1B,0x1B, 0x1C,0x1C,0x1C,0x1C,0x1C,0x1C,0x1C,0x1C, 0x1D,0x1D,0x1D,0x1D,0x1D,0x1D,0x1D,0x1D, 0x1E,0x1E,0x1E,0x1E,0x1E,0x1E,0x1E,0x1E, 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F}; #define BGR8(r,g,b) (unsigned)(((BYTE)(b & 0xc0 | (g & 0xe0)>>2 | (r & 0xe0)>>5))) #ifdef DDRAW #define BGR16(r,g,b) ((WORD)(((BYTE)(ColorMap16[b]) | ((BYTE)(g&0xfc) << 3)) | (((WORD)(BYTE)(ColorMap16[r])) << 11))) #else #ifdef __WIN32OS2__ #define BGR16(r,g,b) ((WORD)(((BYTE)(ColorMap16[b]) | ((BYTE)(ColorMap16[g]*2) << 5)) | (((WORD)(BYTE)(ColorMap16[r])) << 11))) #else #define BGR16(r,g,b) ((WORD)(((BYTE)(ColorMap16[b]) | ((BYTE)(ColorMap16[g]) << 5)) | (((WORD)(BYTE)(ColorMap16[r])) << 10))) #endif #endif /* JvdH -- FIX! In BGR24 don't shift another 8 bits (was <<8) */ #define BGR24(r,g,b) (unsigned long)(((DWORD)(((BYTE)(b)|((WORD)((BYTE)(g))<<8))|(((DWORD)(BYTE)(r))<<16)))) #define BGR32(r,g,b) (unsigned long)((DWORD)(((BYTE)(b)|((WORD)((BYTE)(g))<<8))|(((DWORD)(BYTE)(r))<<16))) /* * If pixelformat==PF_8A8B8G8R: */ #define PACK_8A8B8G8R( R, G, B, A ) \ ( ((A) << 24) | ((B) << 16) | ((G) << 8) | (R) ) /* * If pixelformat==PF_8R8G8B: */ #define PACK_8R8G8B( R, G, B) ( ((R) << 16) | ((G) << 8) | (B) ) /* * If pixelformat==PF_5R6G5B: */ #ifdef DDRAW #define PACK_5R6G5B( R, G, B) ((WORD)(((BYTE)(ColorMap16[B]) | ((BYTE)(G&0xfc) << 3)) | (((WORD)(BYTE)(ColorMap16[R])) << 11))) #else #ifdef __WIN32OS2__ #define PACK_5R6G5B( R, G, B) ((WORD)(((BYTE)(ColorMap16[B]) | ((BYTE)(ColorMap16[G]*2) << 5)) | (((WORD)(BYTE)(ColorMap16[R])) << 11))) #else #define PACK_5R6G5B( R, G, B) ((WORD)(((BYTE)(ColorMap16[B]) | ((BYTE)(ColorMap16[G]) << 5)) | (((WORD)(BYTE)(ColorMap16[R])) << 10))) #endif #endif /*---------------------------------------------------------------------------- Division lookup tables. These tables compute 0-255 divided by 51 and modulo 51. These tables could approximate gamma correction. */ char unsigned const aDividedBy51Rounded[256] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, }; char unsigned const aDividedBy51[256] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, }; char unsigned const aModulo51[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 0, }; /*---------------------------------------------------------------------------- Multiplication LUTs. These compute 0-5 times 6 and 36. */ char unsigned const aTimes6[6] = { 0, 6, 12, 18, 24, 30 }; char unsigned const aTimes36[6] = { 0, 36, 72, 108, 144, 180 }; /*---------------------------------------------------------------------------- Dither matrices for 8 bit to 2.6 bit halftones. */ char unsigned const aHalftone16x16[256] = { 0, 44, 9, 41, 3, 46, 12, 43, 1, 44, 10, 41, 3, 46, 12, 43, 34, 16, 25, 19, 37, 18, 28, 21, 35, 16, 26, 19, 37, 18, 28, 21, 38, 6, 47, 3, 40, 9, 50, 6, 38, 7, 47, 4, 40, 9, 49, 6, 22, 28, 13, 31, 25, 31, 15, 34, 22, 29, 13, 32, 24, 31, 15, 34, 2, 46, 12, 43, 1, 45, 10, 42, 2, 45, 11, 42, 1, 45, 11, 42, 37, 18, 27, 21, 35, 17, 26, 20, 36, 17, 27, 20, 36, 17, 26, 20, 40, 8, 49, 5, 38, 7, 48, 4, 39, 8, 48, 5, 39, 7, 48, 4, 24, 30, 15, 33, 23, 29, 13, 32, 23, 30, 14, 33, 23, 29, 14, 32, 2, 46, 12, 43, 0, 44, 10, 41, 3, 47, 12, 44, 0, 44, 10, 41, 37, 18, 27, 21, 35, 16, 25, 19, 37, 19, 28, 22, 35, 16, 25, 19, 40, 9, 49, 5, 38, 7, 47, 4, 40, 9, 50, 6, 38, 6, 47, 3, 24, 30, 15, 34, 22, 29, 13, 32, 25, 31, 15, 34, 22, 28, 13, 31, 1, 45, 11, 42, 2, 46, 11, 42, 1, 45, 10, 41, 2, 46, 11, 43, 36, 17, 26, 20, 36, 17, 27, 21, 35, 16, 26, 20, 36, 18, 27, 21, 39, 8, 48, 4, 39, 8, 49, 5, 38, 7, 48, 4, 39, 8, 49, 5, 23, 29, 14, 33, 24, 30, 14, 33, 23, 29, 13, 32, 24, 30, 14, 33, }; char unsigned const aHalftone8x8[64] = { 0, 38, 9, 47, 2, 40, 11, 50, 25, 12, 35, 22, 27, 15, 37, 24, 6, 44, 3, 41, 8, 47, 5, 43, 31, 19, 28, 15, 34, 21, 31, 18, 1, 39, 11, 49, 0, 39, 10, 48, 27, 14, 36, 23, 26, 13, 35, 23, 7, 46, 4, 43, 7, 45, 3, 42, 33, 20, 30, 17, 32, 19, 29, 16, }; char unsigned const aHalftone4x4_1[16] = { 0, 25, 6, 31, 38, 12, 44, 19, 9, 35, 3, 28, 47, 22, 41, 15 }; char unsigned const aHalftone4x4_2[16] = { 41, 3, 9, 28, 35, 15, 22, 47, 6, 25, 38, 0, 19, 44, 31, 12 }; /*************************************************************************** aWinGHalftoneTranslation Translates a 2.6 bit-per-pixel halftoned representation into the slightly rearranged WinG Halftone Palette. */ char unsigned const aWinGHalftoneTranslation[216] = { 0, 29, 30, 31, 32, 249, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 250, 250, 57, 58, 59, 251, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 250, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 227, 112, 113, 114, 115, 116, 117, 118, 119, 151, 120, 121, 122, 123, 124, 228, 125, 126, 229, 133, 162, 135, 131, 132, 137, 166, 134, 140, 130, 136, 143, 138, 139, 174, 141, 142, 177, 129, 144, 145, 146, 147, 148, 149, 150, 157, 152, 153, 154, 155, 156, 192, 158, 159, 160, 161, 196, 163, 164, 165, 127, 199, 167, 168, 169, 170, 171, 172, 173, 207, 175, 176, 210, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 224, 193, 194, 195, 252, 252, 197, 198, 128, 253, 252, 200, 201, 202, 203, 204, 205, 206, 230, 208, 209, 231, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 254, 223, 232, 225, 226, 255, };