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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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*/ |
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#include "standard.h" |
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|
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#include "platform.h" |
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#include "color.h" |
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|
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#include "font.h" |
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|
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#define SSS 2 /* super-sample size */ |
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|
21 |
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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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#ifndef SSS |
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#define SSS 3 /* super-sample size */ |
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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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#define MAXLINE 512 /* longest allowable line */ |
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|
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char *fontfile = "helvet.fnt"; /* our font file */ |
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|
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COLR bgcolr = WHTCOLR; /* background color */ |
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COLR fgcolr = BLKCOLR; /* foreground color */ |
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COLOR bgcolor = WHTCOLOR; /* background color */ |
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COLOR fgcolor = BLKCOLOR; /* foreground color */ |
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|
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int direct = 'r'; /* direction (right, up, left, down) */ |
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|
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int cheight = 32; /* character height */ |
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double aspect = 1.67; /* height/width character aspect */ |
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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 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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#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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|
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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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{ |
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int an; |
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|
61 |
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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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switch (argv[an][2]) { |
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case 'f': /* foreground */ |
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setcolr(fgcolr, atof(argv[an+1]), |
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setcolor(fgcolor, atof(argv[an+1]), |
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atof(argv[an+2]), |
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atof(argv[an+3])); |
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an += 3; |
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break; |
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case 'b': /* background */ |
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setcolr(bgcolr, atof(argv[an+1]), |
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setcolor(bgcolor, atof(argv[an+1]), |
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atof(argv[an+2]), |
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atof(argv[an+3])); |
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an += 3; |
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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]); |
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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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/* get text */ |
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if (an == argc) |
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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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makemap() /* 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 = maxline*cwidth; |
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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) { |
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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 { |
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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 = maxline*cwidth; |
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if (ysiz <= 0) { |
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cwidth = cheight/aspect + 0.5; |
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xsiz = nlines*cheight; |
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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 |
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xsiz = ysiz/pictaspect + 0.5; |
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cheight = xsiz/nlines; |
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cwidth = cheight/aspect; |
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} else { |
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if (xsiz <= 0) |
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xsiz = cheight*nlines; |
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pictaspect = (double)ysiz/xsiz; |
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aspect = maxwidth/(256*nlines*pictaspect); |
189 |
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cheight = xsiz/nlines; |
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cwidth = cheight/aspect; |
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} |
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} |
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if (xsiz % SSS) |
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xsiz += SSS - xsiz%SSS; |
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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); |
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< |
if (ourbitmap == NULL) { |
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fprintf(stderr, "out of memory in makemap\n"); |
201 |
< |
exit(1); |
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< |
} |
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> |
ourbitmap = (BYTE *)bmalloc(ysiz*xdim); |
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> |
if (ourbitmap == NULL) |
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error(SYSTEM, "Out of memory in makemap"); |
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bzero((char *)ourbitmap, ysiz*xdim); |
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} |
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|
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|
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gettext(fp) /* get text from a file */ |
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FILE *fp; |
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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; |
217 |
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if (curl == NULL) |
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goto memerr; |
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len = strlen(buf); |
220 |
< |
curl->s = malloc(len); |
220 |
> |
curl->s = (char *)malloc(len); |
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curl->sp = (short *)malloc(sizeof(short)*len--); |
222 |
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if (curl->s == NULL | curl->sp == NULL) |
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goto memerr; |
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maxline = len; |
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strncpy(curl->s, buf, len); |
227 |
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curl->s[len] = '\0'; |
228 |
< |
len = uniftext(curl->sp, curl->s, ourfont); |
228 |
> |
if (spacing < -1./256.) |
229 |
> |
len = squeeztext(curl->sp, curl->s, ourfont, |
230 |
> |
(int)(spacing*-256.)); |
231 |
> |
else if (spacing > 1./256.) |
232 |
> |
len = proptext(curl->sp, curl->s, ourfont, |
233 |
> |
(int)(spacing*256.), 3); |
234 |
> |
else |
235 |
> |
len = uniftext(curl->sp, curl->s, ourfont); |
236 |
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if (len > maxwidth) |
237 |
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maxwidth = len; |
238 |
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curl->next = ourtext; |
241 |
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} |
242 |
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return; |
243 |
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memerr: |
244 |
< |
fprintf(stderr, "out of memory in gettext\n"); |
200 |
< |
exit(1); |
244 |
> |
error(SYSTEM, "Out of memory in gettext"); |
245 |
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} |
246 |
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|
247 |
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|
254 |
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ourtext = (LINE *)malloc(sizeof(LINE)); |
255 |
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if (ourtext == NULL) |
256 |
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goto memerr; |
257 |
< |
ourtext->s = malloc(MAXLINE); |
257 |
> |
ourtext->s = (char *)malloc(MAXLINE); |
258 |
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if (ourtext->s == NULL) |
259 |
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goto memerr; |
260 |
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for (cp = ourtext->s; ac-- > 0; av++) { |
268 |
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ourtext->sp = (short *)malloc(sizeof(short)*(maxline+1)); |
269 |
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if (ourtext->sp == NULL) |
270 |
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goto memerr; |
271 |
< |
maxwidth = uniftext(ourtext->sp, ourtext->s, ourfont); |
271 |
> |
if (spacing < -1./256.) |
272 |
> |
maxwidth = squeeztext(ourtext->sp, ourtext->s, ourfont, |
273 |
> |
(int)(spacing*-256.)); |
274 |
> |
else if (spacing > 1./256.) |
275 |
> |
maxwidth = proptext(ourtext->sp, ourtext->s, ourfont, |
276 |
> |
(int)(spacing*256.), 3); |
277 |
> |
else |
278 |
> |
maxwidth = uniftext(ourtext->sp, ourtext->s, ourfont); |
279 |
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nlines = 1; |
280 |
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return; |
281 |
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memerr: |
282 |
< |
fprintf(stderr, "out of memory in arg_text\n"); |
232 |
< |
exit(1); |
282 |
> |
error(SYSTEM, "Out of memory in arg_text"); |
283 |
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} |
284 |
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|
285 |
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|
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writemap(fp) /* write out bitmap */ |
390 |
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FILE *fp; |
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{ |
392 |
+ |
COLR pixval[SSS*SSS+1]; /* possible pixel values */ |
393 |
+ |
COLOR ctmp0, ctmp1; |
394 |
+ |
double d; |
395 |
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COLR *scanout; |
396 |
< |
int y; |
397 |
< |
register int x; |
396 |
> |
int x, y; |
397 |
> |
register int i, j; |
398 |
> |
int cnt; |
399 |
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register int inglyph; |
400 |
|
|
401 |
< |
fprintf(fp, "-Y %d +X %d\n", ysiz, xsiz); |
401 |
> |
fprintf(fp, "-Y %d +X %d\n", ysiz/SSS, xsiz/SSS); |
402 |
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|
403 |
< |
scanout = (COLR *)malloc(xsiz*sizeof(COLR)); |
404 |
< |
if (scanout == NULL) { |
405 |
< |
fprintf(stderr, "out of memory in writemap\n"); |
406 |
< |
exit(1); |
403 |
> |
scanout = (COLR *)malloc(xsiz/SSS*sizeof(COLR)); |
404 |
> |
if (scanout == NULL) |
405 |
> |
error(SYSTEM, "Out of memory in writemap"); |
406 |
> |
for (i = 0; i <= SSS*SSS; i++) { /* compute possible values */ |
407 |
> |
copycolor(ctmp0, fgcolor); |
408 |
> |
d = (double)i/(SSS*SSS); |
409 |
> |
scalecolor(ctmp0, d); |
410 |
> |
copycolor(ctmp1, bgcolor); |
411 |
> |
d = 1.0 - d; |
412 |
> |
scalecolor(ctmp1, d); |
413 |
> |
addcolor(ctmp0, ctmp1); |
414 |
> |
setcolr(pixval[i], colval(ctmp0,RED), |
415 |
> |
colval(ctmp0,GRN), colval(ctmp0,BLU)); |
416 |
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} |
417 |
< |
for (y = ysiz-1; y >= 0; y--) { |
417 |
> |
for (y = ysiz/SSS-1; y >= 0; y--) { |
418 |
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inglyph = 0; |
419 |
< |
for (x = 0; x < xsiz; x++) { |
420 |
< |
if (tstbit(x, y)) |
421 |
< |
inglyph ^= 1; |
422 |
< |
if (inglyph) |
423 |
< |
copycolr(scanout[x], fgcolr); |
424 |
< |
else |
425 |
< |
copycolr(scanout[x], bgcolr); |
419 |
> |
for (x = 0; x < xsiz/SSS; x++) { |
420 |
> |
cnt = 0; |
421 |
> |
for (j = 0; j < SSS; j++) |
422 |
> |
for (i = 0; i < SSS; i++) { |
423 |
> |
if (tstbit(x*SSS+i, y*SSS+j)) |
424 |
> |
inglyph ^= 1<<j; |
425 |
> |
if (inglyph & 1<<j) |
426 |
> |
cnt++; |
427 |
> |
} |
428 |
> |
copycolr(scanout[x], pixval[cnt]); |
429 |
|
} |
430 |
< |
if (fwritecolrs(scanout, xsiz, fp) < 0) { |
430 |
> |
if (fwritecolrs(scanout, xsiz/SSS, fp) < 0) { |
431 |
|
fprintf(stderr, "write error in writemap\n"); |
432 |
|
exit(1); |
433 |
|
} |
434 |
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} |
435 |
< |
free((char *)scanout); |
435 |
> |
free((void *)scanout); |
436 |
|
} |