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      1 /*	$NetBSD: hpccmap_gen.c,v 1.5 2005/12/11 12:21:22 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999
      5  *         Shin Takemura and PocketBSD Project. All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the PocketBSD project
     18  *	and its contributors.
     19  * 4. Neither the name of the project nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  */
     36 
     37 #include <sys/cdefs.h>
     38 __RCSID("$NetBSD: hpccmap_gen.c,v 1.5 2005/12/11 12:21:22 christos Exp $");
     39 
     40 typedef unsigned char u_char;
     41 typedef void (*output_func)(void*, int, u_char,  u_char, u_char);
     42 
     43 void main(int ac, char *av[]);
     44 void rgb_separate_out(void*, int, u_char, u_char, u_char);
     45 void cmap_gen(output_func, void *);
     46 
     47 unsigned char compo6[6] = {   0,  51, 102, 153, 204, 255 };
     48 unsigned char compo7[7] = {   0,  42,  85, 127, 170, 212, 255 };
     49 
     50 void
     51 main(int ac, char *av[])
     52 {
     53 	int i;
     54 	char *rgb = "rgb";
     55 
     56 	printf("/*\n");
     57 	printf(" *  Do not edit.\n");
     58 	printf(" *  This file is automatically generated by hpccmap_gen.\n");
     59 	printf(" */\n");
     60 	printf("#include <dev/hpc/hpccmapar.h>\n");
     61 	for (i = 0; i < 3; i++) {
     62 		printf("unsigned char bivideo_cmap_%c[256] = {\n", rgb[i]);
     63 		cmap_gen(rgb_separate_out, (void*)i);
     64 		printf("};\n");
     65 	}
     66 }
     67 
     68 void
     69 rgb_separate_out(void *ctxx, int idx, unsigned char r, unsigned char g,
     70     unsigned char b)
     71 {
     72 	int rgb = (int)ctxx;
     73 
     74 	if ((idx % 16) == 0)
     75 		printf("\t");
     76 	switch(rgb) {
     77 	case 0:
     78 		printf("%3d,", r);
     79 		break;
     80 	case 1:
     81 		printf("%3d,", g);
     82 		break;
     83 	case 2:
     84 		printf("%3d,", b);
     85 		break;
     86 	}
     87 	if ((idx % 16) == 15)
     88 		printf("\n");
     89 }
     90 
     91 void
     92 cmap_gen(output_func func, void *ctx)
     93 {
     94 	int i, r, g, b;
     95 
     96 	i = 0;
     97 
     98 	/*
     99 	 * 0 - 15, for ANSI escape sequence
    100 	 * (see sys/dev/rasops/rasops.c)
    101 	 */
    102 	(*func)(ctx, i++, 0x00, 0x00, 0x00); /* black	*/
    103 	(*func)(ctx, i++, 0x7f, 0x00, 0x00); /* red	*/
    104 	(*func)(ctx, i++, 0x00, 0x7f, 0x00); /* green	*/
    105 	(*func)(ctx, i++, 0x7f, 0x7f, 0x00); /* brown	*/
    106 	(*func)(ctx, i++, 0x00, 0x00, 0x7f); /* blue	*/
    107 	(*func)(ctx, i++, 0x7f, 0x00, 0x7f); /* magenta	*/
    108 	(*func)(ctx, i++, 0x00, 0x7f, 0x7f); /* cyan	*/
    109 	(*func)(ctx, i++, 0xc7, 0xc7, 0xc7); /* white	*/
    110 
    111 	(*func)(ctx, i++, 0x7f, 0x7f, 0x7f); /* black	*/
    112 	(*func)(ctx, i++, 0xff, 0x00, 0x00); /* red	*/
    113 	(*func)(ctx, i++, 0x00, 0xff, 0x00); /* green	*/
    114 	(*func)(ctx, i++, 0xff, 0xff, 0x00); /* brown	*/
    115 	(*func)(ctx, i++, 0x00, 0x00, 0xff); /* blue	*/
    116 	(*func)(ctx, i++, 0xff, 0x00, 0xff); /* magenta	*/
    117 	(*func)(ctx, i++, 0x00, 0xff, 0xff); /* cyan	*/
    118 	(*func)(ctx, i++, 0xff, 0xff, 0xff); /* white	*/
    119 
    120 	/*
    121 	 * 16 - 31, gray scale
    122 	 */
    123 	for (; i < 32; i++) {
    124 		(*func)(ctx, i, (i - 16) * 17, (i - 16) * 17, (i - 16) * 17);
    125 	}
    126 
    127 	/*
    128 	 * 32 - 247, RGB color
    129 	 */
    130 	for (r = 0; r < 6; r++) {
    131 		for (g = 0; g < 6; g++) {
    132 			for (b = 0; b < 6; b++) {
    133 				(*func)(ctx, i,
    134 				    compo6[r], compo6[g], compo6[b]);
    135 				i++;
    136 			}
    137 		}
    138 	}
    139 
    140 	/*
    141 	 * 248 - 255, just white
    142 	 */
    143 	for ( ; i < 256; i++) {
    144 		(*func)(ctx, i, 255, 255, 255);
    145 	}
    146 }
    147