FreeBSD/Linux Kernel Cross Reference
sys/dev/hpc/hpccmap_gen.c

     /*      $NetBSD: hpccmap_gen.c,v 1.5 2005/12/11 12:21:22 christos Exp $ */
     
     /*-
      * Copyright (c) 1999
      *         Shin Takemura and PocketBSD Project. All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the PocketBSD project
     *      and its contributors.
     * 4. Neither the name of the project nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     */
    
    #include <sys/cdefs.h>
    __RCSID("$NetBSD: hpccmap_gen.c,v 1.5 2005/12/11 12:21:22 christos Exp $");
    
    typedef unsigned char u_char;
    typedef void (*output_func)(void*, int, u_char,  u_char, u_char);
    
    void main(int ac, char *av[]);
    void rgb_separate_out(void*, int, u_char, u_char, u_char);
    void cmap_gen(output_func, void *);
    
    unsigned char compo6[6] = {   0,  51, 102, 153, 204, 255 };
    unsigned char compo7[7] = {   0,  42,  85, 127, 170, 212, 255 };
    
    void
    main(int ac, char *av[])
    {
            int i;
            char *rgb = "rgb";
    
            printf("/*\n");
            printf(" *  Do not edit.\n");
            printf(" *  This file is automatically generated by hpccmap_gen.\n");
            printf(" */\n");
            printf("#include <dev/hpc/hpccmapar.h>\n");
            for (i = 0; i < 3; i++) {
                    printf("unsigned char bivideo_cmap_%c[256] = {\n", rgb[i]);
                    cmap_gen(rgb_separate_out, (void*)i);
                    printf("};\n");
            }
    }
    
    void
    rgb_separate_out(void *ctxx, int idx, unsigned char r, unsigned char g,
        unsigned char b)
    {
            int rgb = (int)ctxx;
    
            if ((idx % 16) == 0)
                    printf("\t");
            switch(rgb) {
            case 0:
                    printf("%3d,", r);
                    break;
            case 1:
                    printf("%3d,", g);
                    break;
            case 2:
                    printf("%3d,", b);
                    break;
            }
            if ((idx % 16) == 15)
                    printf("\n");
    }
    
    void
    cmap_gen(output_func func, void *ctx)
    {
            int i, r, g, b;
    
            i = 0;
    
            /*
             * 0 - 15, for ANSI escape sequence
            * (see sys/dev/rasops/rasops.c)
            */
           (*func)(ctx, i++, 0x00, 0x00, 0x00); /* black   */
           (*func)(ctx, i++, 0x7f, 0x00, 0x00); /* red     */
           (*func)(ctx, i++, 0x00, 0x7f, 0x00); /* green   */
           (*func)(ctx, i++, 0x7f, 0x7f, 0x00); /* brown   */
           (*func)(ctx, i++, 0x00, 0x00, 0x7f); /* blue    */
           (*func)(ctx, i++, 0x7f, 0x00, 0x7f); /* magenta */
           (*func)(ctx, i++, 0x00, 0x7f, 0x7f); /* cyan    */
           (*func)(ctx, i++, 0xc7, 0xc7, 0xc7); /* white   */
   
           (*func)(ctx, i++, 0x7f, 0x7f, 0x7f); /* black   */
           (*func)(ctx, i++, 0xff, 0x00, 0x00); /* red     */
           (*func)(ctx, i++, 0x00, 0xff, 0x00); /* green   */
           (*func)(ctx, i++, 0xff, 0xff, 0x00); /* brown   */
           (*func)(ctx, i++, 0x00, 0x00, 0xff); /* blue    */
           (*func)(ctx, i++, 0xff, 0x00, 0xff); /* magenta */
           (*func)(ctx, i++, 0x00, 0xff, 0xff); /* cyan    */
           (*func)(ctx, i++, 0xff, 0xff, 0xff); /* white   */
   
           /*
            * 16 - 31, gray scale
            */
           for (; i < 32; i++) {
                   (*func)(ctx, i, (i - 16) * 17, (i - 16) * 17, (i - 16) * 17);
           }
   
           /*
            * 32 - 247, RGB color
            */
           for (r = 0; r < 6; r++) {
                   for (g = 0; g < 6; g++) {
                           for (b = 0; b < 6; b++) {
                                   (*func)(ctx, i,
                                       compo6[r], compo6[g], compo6[b]);
                                   i++;
                           }
                   }
           }
   
           /*
            * 248 - 255, just white
            */
           for ( ; i < 256; i++) {
                   (*func)(ctx, i, 255, 255, 255);
           }
   }

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