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/* Copyright (c) 1991 Regents of the University of California */ |
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|
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#ifndef lint |
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< |
static char SCCSid[] = "$SunId$ LBL"; |
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> |
static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* psign.c - produce picture from text. |
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* |
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* 7/1/87 |
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*/ |
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#include "standard.h" |
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#include "copyright.h" |
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#include "color.h" |
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#include <string.h> |
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|
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#include "platform.h" |
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#include "standard.h" |
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#include "resolu.h" |
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#include "color.h" |
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#include "font.h" |
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|
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#ifndef SSS |
21 |
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#define SSS 3 /* super-sample size */ |
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#ifndef SSS |
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#define SSS 3 /* super-sample size */ |
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#endif |
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|
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#define MAXLINE 512 /* longest allowable line */ |
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#define MAXLINE 512 /* longest allowable line */ |
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|
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#ifndef DEFPATH |
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#define DEFPATH ":/usr/local/lib/ray" |
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#endif |
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#ifndef ULIBVAR |
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#define ULIBVAR "RAYPATH" |
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#endif |
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|
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char *fontfile = "helvet.fnt"; /* our font file */ |
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|
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COLOR bgcolor = WHTCOLOR; /* background color */ |
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int direct = 'r'; /* direction (right, up, left, down) */ |
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|
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int cheight = 32*SSS; /* character height */ |
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double aspect = 1.67; /* height/width character aspect */ |
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double aspect = 1.67; /* height/width character aspect */ |
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double spacing = 0.0; /* character spacing */ |
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int cwidth; /* computed character width */ |
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|
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unsigned char *ourbitmap; /* our output bitmap */ |
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int xsiz, ysiz; /* bitmap dimensions */ |
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int xdim; /* size of horizontal scan (bytes) */ |
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|
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#define bitop(x,y,op) (ourbitmap[(y)*xdim+((x)>>3)] op (1<<((x)&7))) |
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#define tstbit(x,y) bitop(x,y,&) |
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#define setbit(x,y) bitop(x,y,|=) |
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#define clrbit(x,y) bitop(x,y,&=~) |
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#define tglbit(x,y) bitop(x,y,^=) |
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/* conflicting def's in param.h */ |
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#undef tstbit |
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#undef setbit |
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#undef clrbit |
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#undef tglbit |
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|
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#define bitop(x,y,op) (ourbitmap[(y)*xdim+((x)>>3)] op (1<<((x)&7))) |
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#define tstbit(x,y) bitop(x,y,&) |
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#define setbit(x,y) bitop(x,y,|=) |
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#define clrbit(x,y) bitop(x,y,&=~) |
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#define tglbit(x,y) bitop(x,y,^=) |
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|
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FONT *ourfont; /* our font */ |
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|
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char *libpath; /* library search path */ |
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|
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typedef struct line { |
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char *s; /* line w/o LF */ |
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short *sp; /* character spacing */ |
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int nlines, maxline; /* text dimensions */ |
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int maxwidth; /* maximum line width (dvi) */ |
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|
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extern char *getenv(); |
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extern char *malloc(), *calloc(); |
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static void makemap(void); |
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static void get_text(FILE *fp); |
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static void arg_text(int ac, char *av[]); |
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static void maptext(void); |
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static void mapglyph(GLYPH *gl, int tx0, int ty0); |
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static void mapcoord(int p[2], int tx, int ty); |
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static void mapedge(int x, int y, int run, int rise); |
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static void writemap(FILE *fp); |
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|
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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int |
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main( |
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int argc, |
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char *argv[] |
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) |
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{ |
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int an; |
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|
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SET_FILE_BINARY(stdout); |
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for (an = 1; an < argc && argv[an][0] == '-'; an++) |
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switch (argv[an][1]) { |
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case 'c': /* color */ |
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goto unkopt; |
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} |
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break; |
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case 'x': /* x resolution */ |
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xsiz = atoi(argv[++an])*SSS; |
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break; |
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case 'y': |
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ysiz = atoi(argv[++an])*SSS; |
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break; |
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case 'h': /* height of characters */ |
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cheight = atoi(argv[++an])*SSS; |
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break; |
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case 'a': /* aspect ratio */ |
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aspect = atof(argv[++an]); |
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break; |
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case 's': /* spacing */ |
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spacing = atof(argv[++an]); |
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break; |
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default:; |
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unkopt: |
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fprintf(stderr, "%s: unknown option: %s\n", |
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exit(1); |
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} |
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/* load font file */ |
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if ((libpath = getenv(ULIBVAR)) == NULL) |
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libpath = DEFPATH; |
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ourfont = getfont(fontfile); |
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if (!ourfont) |
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exit(1); |
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/* get text */ |
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if (an == argc) |
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gettext(stdin); |
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get_text(stdin); |
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else |
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arg_text(argc-an, argv+an); |
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|
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/* convert text to bitmap */ |
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maptext(); |
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/* print header */ |
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newheader("RADIANCE", stdout); |
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printargs(argc, argv, stdout); |
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fputformat(COLRFMT, stdout); |
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putchar('\n'); |
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} |
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|
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|
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makemap() /* create the bit map */ |
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static void |
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makemap(void) /* create the bit map */ |
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{ |
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cwidth = cheight/aspect + 0.5; |
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> |
double pictaspect; |
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|
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if (direct == 'r' || direct == 'l') { |
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xsiz = (long)maxwidth*cwidth >> 8; |
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ysiz = nlines*cheight; |
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> |
if (xsiz <= 0) { |
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cwidth = cheight/aspect + 0.5; |
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> |
xsiz = (long)maxwidth*cwidth >> 8; |
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> |
ysiz = nlines*cheight; |
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} else if (aspect > FTINY) { |
177 |
> |
if (ysiz <= 0) |
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ysiz = cheight*nlines; |
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> |
pictaspect = 256*nlines*aspect/maxwidth; |
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> |
if (pictaspect*xsiz < ysiz) |
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ysiz = pictaspect*xsiz + 0.5; |
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else |
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xsiz = ysiz/pictaspect + 0.5; |
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> |
cheight = ysiz/nlines; |
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> |
cwidth = cheight/aspect; |
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} else { |
187 |
> |
if (ysiz <= 0) |
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> |
ysiz = cheight*nlines; |
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pictaspect = (double)ysiz/xsiz; |
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> |
aspect = pictaspect*maxwidth/(256*nlines); |
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> |
cheight = ysiz/nlines; |
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cwidth = cheight/aspect; |
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} |
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} else { /* reverse orientation */ |
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< |
xsiz = nlines*cheight; |
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< |
ysiz = (long)maxwidth*cwidth >> 8; |
195 |
> |
if (ysiz <= 0) { |
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cwidth = cheight/aspect + 0.5; |
197 |
> |
xsiz = nlines*cheight; |
198 |
> |
ysiz = (long)maxwidth*cwidth >> 8; |
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} else if (aspect > FTINY) { |
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> |
if (xsiz <= 0) |
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> |
xsiz = cheight*nlines; |
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pictaspect = maxwidth/(256*nlines*aspect); |
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if (pictaspect*xsiz < ysiz) |
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ysiz = pictaspect*xsiz + 0.5; |
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else |
206 |
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xsiz = ysiz/pictaspect + 0.5; |
207 |
> |
cheight = xsiz/nlines; |
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> |
cwidth = cheight/aspect; |
209 |
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} else { |
210 |
> |
if (xsiz <= 0) |
211 |
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xsiz = cheight*nlines; |
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pictaspect = (double)ysiz/xsiz; |
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aspect = maxwidth/(256*nlines*pictaspect); |
214 |
> |
cheight = xsiz/nlines; |
215 |
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cwidth = cheight/aspect; |
216 |
> |
} |
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} |
218 |
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if (xsiz % SSS) |
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xsiz += SSS - xsiz%SSS; |
220 |
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if (ysiz % SSS) |
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ysiz += SSS - ysiz%SSS; |
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xdim = (xsiz+7)/8; |
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< |
ourbitmap = (BYTE *)calloc(ysiz, xdim); |
223 |
> |
ourbitmap = (uby8 *)bmalloc(ysiz*xdim); |
224 |
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if (ourbitmap == NULL) |
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error(SYSTEM, "Out of memory in makemap"); |
226 |
+ |
memset((char *)ourbitmap, '\0', ysiz*xdim); |
227 |
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} |
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|
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|
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< |
gettext(fp) /* get text from a file */ |
231 |
< |
FILE *fp; |
230 |
> |
static void |
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> |
get_text( /* get text from a file */ |
232 |
> |
FILE *fp |
233 |
> |
) |
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{ |
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char *fgets(); |
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char buf[MAXLINE]; |
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register LINE *curl; |
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int len; |
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if (curl == NULL) |
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goto memerr; |
246 |
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len = strlen(buf); |
247 |
< |
curl->s = malloc(len); |
247 |
> |
curl->s = (char *)malloc(len); |
248 |
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curl->sp = (short *)malloc(sizeof(short)*len--); |
249 |
< |
if (curl->s == NULL | curl->sp == NULL) |
249 |
> |
if ((curl->s == NULL) | (curl->sp == NULL)) |
250 |
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goto memerr; |
251 |
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if (len > maxline) |
252 |
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maxline = len; |
253 |
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strncpy(curl->s, buf, len); |
254 |
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curl->s[len] = '\0'; |
255 |
< |
len = uniftext(curl->sp, curl->s, ourfont); |
255 |
> |
if (spacing < -1./256.) |
256 |
> |
len = squeeztext(curl->sp, curl->s, ourfont, |
257 |
> |
(int)(spacing*-256.)); |
258 |
> |
else if (spacing > 1./256.) |
259 |
> |
len = proptext(curl->sp, curl->s, ourfont, |
260 |
> |
(int)(spacing*256.), 3); |
261 |
> |
else |
262 |
> |
len = uniftext(curl->sp, curl->s, ourfont); |
263 |
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if (len > maxwidth) |
264 |
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maxwidth = len; |
265 |
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curl->next = ourtext; |
268 |
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} |
269 |
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return; |
270 |
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memerr: |
271 |
< |
error(SYSTEM, "Out of memory in gettext"); |
271 |
> |
error(SYSTEM, "Out of memory in get_text"); |
272 |
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} |
273 |
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|
274 |
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|
275 |
< |
arg_text(ac, av) /* get text from arguments */ |
276 |
< |
int ac; |
277 |
< |
char *av[]; |
275 |
> |
static void |
276 |
> |
arg_text( /* get text from arguments */ |
277 |
> |
int ac, |
278 |
> |
char *av[] |
279 |
> |
) |
280 |
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{ |
281 |
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register char *cp; |
282 |
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|
283 |
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ourtext = (LINE *)malloc(sizeof(LINE)); |
284 |
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if (ourtext == NULL) |
285 |
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goto memerr; |
286 |
< |
ourtext->s = malloc(MAXLINE); |
286 |
> |
ourtext->s = (char *)malloc(MAXLINE); |
287 |
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if (ourtext->s == NULL) |
288 |
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goto memerr; |
289 |
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for (cp = ourtext->s; ac-- > 0; av++) { |
297 |
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ourtext->sp = (short *)malloc(sizeof(short)*(maxline+1)); |
298 |
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if (ourtext->sp == NULL) |
299 |
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goto memerr; |
300 |
< |
maxwidth = squeeztext(ourtext->sp, ourtext->s, ourfont, 50); |
300 |
> |
if (spacing < -1./256.) |
301 |
> |
maxwidth = squeeztext(ourtext->sp, ourtext->s, ourfont, |
302 |
> |
(int)(spacing*-256.)); |
303 |
> |
else if (spacing > 1./256.) |
304 |
> |
maxwidth = proptext(ourtext->sp, ourtext->s, ourfont, |
305 |
> |
(int)(spacing*256.), 3); |
306 |
> |
else |
307 |
> |
maxwidth = uniftext(ourtext->sp, ourtext->s, ourfont); |
308 |
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nlines = 1; |
309 |
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return; |
310 |
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memerr: |
312 |
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} |
313 |
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|
314 |
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|
315 |
< |
maptext() /* map our text */ |
315 |
> |
static void |
316 |
> |
maptext(void) /* map our text */ |
317 |
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{ |
318 |
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register LINE *curl; |
319 |
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int l, len; |
329 |
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} |
330 |
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|
331 |
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|
332 |
< |
mapglyph(gl, tx0, ty0) /* convert a glyph */ |
333 |
< |
GLYPH *gl; |
334 |
< |
int tx0, ty0; |
332 |
> |
static void |
333 |
> |
mapglyph( /* convert a glyph */ |
334 |
> |
GLYPH *gl, |
335 |
> |
int tx0, |
336 |
> |
int ty0 |
337 |
> |
) |
338 |
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{ |
339 |
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int n; |
340 |
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register GORD *gp; |
355 |
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} |
356 |
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|
357 |
|
|
358 |
< |
mapcoord(p, tx, ty) /* map text to picture coordinates */ |
359 |
< |
int p[2], tx, ty; |
358 |
> |
static void |
359 |
> |
mapcoord( /* map text to picture coordinates */ |
360 |
> |
int p[2], |
361 |
> |
int tx, |
362 |
> |
int ty |
363 |
> |
) |
364 |
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{ |
365 |
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tx = (long)tx*cwidth >> 8; |
366 |
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ty = (long)ty*cheight >> 8; |
386 |
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} |
387 |
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|
388 |
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|
389 |
< |
mapedge(x, y, run, rise) /* map an edge */ |
390 |
< |
register int x, y; |
391 |
< |
int run, rise; |
389 |
> |
static void |
390 |
> |
mapedge( /* map an edge */ |
391 |
> |
register int x, |
392 |
> |
register int y, |
393 |
> |
int run, |
394 |
> |
int rise |
395 |
> |
) |
396 |
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{ |
397 |
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int xstep; |
398 |
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int rise2, run2; |
427 |
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} |
428 |
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|
429 |
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|
430 |
< |
writemap(fp) /* write out bitmap */ |
431 |
< |
FILE *fp; |
430 |
> |
static void |
431 |
> |
writemap( /* write out bitmap */ |
432 |
> |
FILE *fp |
433 |
> |
) |
434 |
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{ |
435 |
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COLR pixval[SSS*SSS+1]; /* possible pixel values */ |
436 |
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COLOR ctmp0, ctmp1; |
437 |
< |
double d; |
437 |
> |
double d; |
438 |
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COLR *scanout; |
439 |
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int x, y; |
440 |
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register int i, j; |
475 |
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exit(1); |
476 |
|
} |
477 |
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} |
478 |
< |
free((char *)scanout); |
478 |
> |
free((void *)scanout); |
479 |
|
} |