d9789d4225
incorporated into the master sources, so it is unnecessary to resolve all the conflicts that would occur if we let CVS "merge" the versions.
354 lines
8.5 KiB
C
354 lines
8.5 KiB
C
/*
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* Copyright (c) 1992, 1993, 1994 by Hellmuth Michaelis
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Hellmuth Michaelis.
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* 4. The name of the developer may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPER ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* misc.c, 3.00, last edit-date: [Sun Jan 2 20:09:21 1994]
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*/
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/*---------------------------------------------------------------------------
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*
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* misc.c font editor misc routines
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* -----------------------------------------
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*
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* written by Hellmuth Michaelis, hm@hcshh.hcs.de
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*
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* -hm first public release
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* -hm writefont routine
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*
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*---------------------------------------------------------------------------*/
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#include "fed.h"
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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static unsigned char *fonttab; /* ptr to font in core memory */
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static char *bitmask[] = {
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"....", /* 0 */
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"...*", /* 1 */
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"..*.", /* 2 */
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"..**", /* 3 */
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".*..", /* 4 */
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".*.*", /* 5 */
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".**.", /* 6 */
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".***", /* 7 */
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"*...", /* 8 */
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"*..*", /* 9 */
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"*.*.", /* A */
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"*.**", /* B */
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"**..", /* C */
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"**.*", /* D */
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"***.", /* E */
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"****", /* F */
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NULL };
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static char lfilename[1024]; /* current filename */
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static unsigned int lfilesize; /* current filename's size */
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/*---------------------------------------------------------------------------*
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* read fontfile into memory
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*---------------------------------------------------------------------------*/
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void readfont(char *filename)
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{
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FILE *in;
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struct stat sbuf, *sbp;
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int ret;
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char buffer[1024];
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sbp = &sbuf;
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if((in = fopen(filename, "r")) == NULL)
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{
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sprintf(buffer, "cannot open file %s for reading", filename);
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perror(buffer);
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exit(1);
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}
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if((fstat(fileno(in), sbp)) != 0)
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{
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sprintf(buffer, "cannot fstat file %s", filename);
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perror(buffer);
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exit(1);
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}
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switch(sbp->st_size)
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{
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case FONT8X8:
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ch_height = HEIGHT8X8;
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ch_width = WIDTH8;
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break;
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case FONT8X10:
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ch_height = HEIGHT8X10;
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ch_width = WIDTH8;
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break;
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case FONT8X14:
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ch_height = HEIGHT8X14;
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ch_width = WIDTH8;
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break;
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case FONT8X16:
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ch_height = HEIGHT8X16;
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ch_width = WIDTH8;
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break;
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case FONT16X16:
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ch_height = HEIGHT16X16;
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ch_width = WIDTH16;
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break;
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default:
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fprintf(stderr,"error, file %s is no valid font file, size=%d\n",filename,sbp->st_size);
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exit(1);
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}
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if((fonttab = (unsigned char *)malloc((size_t)sbp->st_size)) == NULL)
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{
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fprintf(stderr,"error, malloc failed\n");
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exit(1);
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}
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strcpy(lfilename, filename); /* save for write */
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lfilesize = sbp->st_size; /* save for write */
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if((ret = fread(fonttab, sizeof(*fonttab), sbp->st_size, in)) != sbp->st_size)
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{
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sprintf(buffer,"error reading file %s, size = %d, ret = %d\n",filename,sbp->st_size, ret);
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perror(buffer);
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exit(1);
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}
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}
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/*---------------------------------------------------------------------------*
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* write fontfile to disk
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*---------------------------------------------------------------------------*/
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void writefont()
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{
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FILE *in, *out;
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int ret;
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char buffer[1024];
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if((in = fopen(lfilename, "r")) != NULL)
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{
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int c;
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char wfn[1024];
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strcpy(wfn, lfilename);
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strcat(wfn, ".BAK");
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if((out = fopen(wfn, "w")) == NULL)
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{
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sprintf(buffer, "cannot open file %s for writing", wfn);
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perror(buffer);
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exit(1);
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}
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while(( c = fgetc(in) ) != EOF )
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fputc(c, out);
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fclose(out);
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fclose(in);
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}
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if((out = fopen(lfilename, "w")) == NULL)
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{
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sprintf(buffer, "cannot open file %s for writing", lfilename);
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perror(buffer);
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exit(1);
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}
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if((ret = fwrite(fonttab, sizeof(*fonttab), lfilesize, out)) != lfilesize)
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{
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sprintf(buffer,"error writing file %s, size=%d, ret=%d\n",lfilename,lfilesize, ret);
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perror(buffer);
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exit(1);
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}
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}
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/*---------------------------------------------------------------------------*
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* display a string
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*---------------------------------------------------------------------------*/
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void dis_cmd(char *strg)
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{
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move(22,0);
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clrtoeol();
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mvaddstr(22,0,strg);
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refresh();
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}
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/*---------------------------------------------------------------------------*
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* clear a command string
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*---------------------------------------------------------------------------*/
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void clr_cmd(void)
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{
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move(22,0);
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clrtoeol();
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refresh();
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}
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/*---------------------------------------------------------------------------*
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* move char from src to dest
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*---------------------------------------------------------------------------*/
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void move_ch(int src, int dst)
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{
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unsigned char *s, *d;
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int offset = 0;
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if(ch_width == WIDTH16)
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offset = 2;
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else
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offset = 1;
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s = &(fonttab[ch_height * offset * src]);
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d = &(fonttab[ch_height * offset * dst]);
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bcopy(s, d, (ch_height*offset)); /* src -> dst */
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}
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/*---------------------------------------------------------------------------*
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* exchange char's src and dest
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*---------------------------------------------------------------------------*/
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void xchg_ch(int src, int dst)
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{
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unsigned char *s, *d;
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unsigned char buf[32];
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int offset = 0;
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if(ch_width == WIDTH16)
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offset = 2;
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else
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offset = 1;
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s = &(fonttab[ch_height * offset * src]);
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d = &(fonttab[ch_height * offset * dst]);
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bcopy(s, buf, (ch_height*offset)); /* src -> tmp */
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bcopy(d, s, (ch_height*offset)); /* dst -> src */
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bcopy(buf, d, (ch_height*offset)); /* tmp -> dst */
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}
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/*---------------------------------------------------------------------------*
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* display the current selected character
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*---------------------------------------------------------------------------*/
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void display(int no)
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{
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unsigned char *fontchar;
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char line[32];
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int ln_no;
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unsigned char hibyte;
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unsigned char lobyte;
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int offset;
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int r;
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offset = 0;
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r = 1;
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lobyte = 0;
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if(ch_width == WIDTH16)
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fontchar = &(fonttab[ch_height * 2 * no]);
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else
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fontchar = &(fonttab[ch_height * no]);
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for (ln_no = 0; ln_no < ch_height; ln_no++)
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{
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hibyte = *(fontchar + (offset++));
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if(ch_width == WIDTH16)
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{
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lobyte = *(fontchar + offset++);
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}
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strcpy(line,bitmask[(int)((hibyte >> 4) & 0x0f)]);
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strcat(line,bitmask[(int)(hibyte & 0x0f)]);
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if(ch_width == WIDTH16)
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{
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strcat(line,bitmask[(int)((lobyte >> 4) & 0x0f)]);
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strcat(line,bitmask[(int)(lobyte & 0x0f)]);
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mvwprintw(ch_win, r, 1, "%16.16s", line);
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}
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else
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{
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mvwprintw(ch_win, r, 1, "%8.8s", line);
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}
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r++;
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}
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wmove(ch_win, 1, 1);
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wrefresh(ch_win);
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}
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/*---------------------------------------------------------------------------*
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* save character
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*---------------------------------------------------------------------------*/
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void save_ch(void)
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{
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unsigned char *s;
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int offset = 0;
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int r, c;
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unsigned short byte;
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unsigned short shift;
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if(ch_width == WIDTH16)
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offset = 2;
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else
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offset = 1;
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s = &(fonttab[ch_height * offset * curchar]);
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r = 1;
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while(r <= ch_height)
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{
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c = 1;
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byte = 0;
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if(offset == 2)
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shift = 0x8000;
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else
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shift = 0x80;
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while(c <= ch_width)
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{
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if(mvwinch(ch_win, r, c) == BLACK)
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byte |= shift;
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shift = (shift >> 1);
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c++;
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}
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*s++ = byte;
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r++;
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}
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}
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/*---------------------------------- E O F ----------------------------------*/
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