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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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/* Copyright (c) 1999 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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#undef NOPROTO |
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#define NOPROTO 1 |
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#include "color.h" |
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#include "tonemap.h" |
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#include "view.h" |
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#include "x11raster.h" |
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#include "random.h" |
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#include "resolu.h" |
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|
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#ifndef int4 |
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#define int4 int /* most int's are 32-bit */ |
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#endif |
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|
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#define FONTNAME "8x13" /* text font we'll use */ |
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#define CTRL(c) ((c)-'@') |
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int xmax, ymax; /* picture dimensions */ |
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int width, height; /* window size */ |
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char *fname = NULL; /* input file name */ |
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FILE *fin = stdin; /* input file */ |
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FILE *fin = NULL; /* input file */ |
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long *scanpos = NULL; /* scan line positions in file */ |
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int cury = 0; /* current scan location */ |
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int pid; |
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progname = argv[0]; |
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fin = stdin; |
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for (i = 1; i < argc; i++) |
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if (argv[i][0] == '-') |
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} |
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int |
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headline(s) /* get relevant info from header */ |
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char *s; |
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{ |
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wrongformat = strcmp(fmt, COLRFMT); |
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else if (isview(s) && sscanview(&ourview, s) > 0) |
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gotview++; |
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return(0); |
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} |
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return(-1); |
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if (v1->depth == 32 && v2->depth == 24) |
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return(1); |
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return(0); |
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/* go for maximum depth otherwise */ |
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return(v2->depth - v1->depth); |
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} |
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/* don't be too greedy */ |
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if (maxcolors <= 1<<v1->depth && maxcolors <= 1<<v2->depth) |
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return(v1->depth - v2->depth); |
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return(v2->depth - v1->depth); |
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} |
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/* prefer Pseudo when < 24-bit */ |
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/* prefer Pseudo when < 15-bit */ |
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if ((v1->class == TrueColor || v1->class == DirectColor) && |
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v1->depth < 24) |
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v1->depth < 15) |
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bad1 = 1; |
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if ((v2->class == TrueColor || v2->class == DirectColor) && |
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v2->depth < 24) |
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v2->depth < 15) |
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bad2 = -1; |
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if (bad1 | bad2) |
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return(bad1+bad2); |
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goto fail; |
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getmono(); |
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} else if (ourvis.class == TrueColor | ourvis.class == DirectColor) { |
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ourdata = (unsigned char *)malloc(sizeof(int4)*xmax*ymax); |
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int datsiz = ourvis.depth>16 ? sizeof(int4) : sizeof(int2); |
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ourdata = (unsigned char *)malloc(datsiz*xmax*ymax); |
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if (ourdata == NULL) |
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goto fail; |
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ourras = make_raster(thedisplay, &ourvis, sizeof(int4)*8, |
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ourdata, xmax, ymax, 32); |
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ourras = make_raster(thedisplay, &ourvis, datsiz*8, |
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ourdata, xmax, ymax, datsiz*8); |
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if (ourras == NULL) |
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goto fail; |
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getfull(); |
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{ |
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int y; |
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register unsigned int4 *dp; |
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register unsigned int2 *dph; |
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register int x; |
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/* initialize tone mapping */ |
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make_tonemap(); |
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/* read and convert file */ |
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dp = (unsigned int4 *)ourdata; |
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dph = (unsigned int2 *)ourdata; |
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for (y = 0; y < ymax; y++) { |
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getscan(y); |
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add2icon(y, scanline); |
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tmap_colrs(scanline, xmax); |
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if (ourras->image->blue_mask & 1) |
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switch (ourras->image->blue_mask) { |
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case 0xff: /* 24-bit RGB */ |
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for (x = 0; x < xmax; x++) |
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*dp++ = (unsigned int4)scanline[x][RED] << 16 | |
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(unsigned int4)scanline[x][GRN] << 8 | |
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(unsigned int4)scanline[x][BLU] ; |
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else |
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break; |
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case 0xff0000: /* 24-bit BGR */ |
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for (x = 0; x < xmax; x++) |
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*dp++ = (unsigned int4)scanline[x][RED] | |
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(unsigned int4)scanline[x][GRN] << 8 | |
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(unsigned int4)scanline[x][BLU] << 16 ; |
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break; |
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#if 0 |
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case 0x1f: /* 15-bit RGB */ |
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for (x = 0; x < xmax; x++) |
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*dph++ = (scanline[x][RED] << 7 & 0x7c00) | |
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(scanline[x][GRN] << 2 & 0x3e0) | |
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(unsigned)scanline[x][BLU] >> 3 ; |
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break; |
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case 0x7c00: /* 15-bit BGR */ |
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for (x = 0; x < xmax; x++) |
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*dph++ = (unsigned)scanline[x][RED] >> 3 | |
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(scanline[x][GRN] << 2 & 0x3e0) | |
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(scanline[x][BLU] << 7 & 0x7c00) ; |
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break; |
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#endif |
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default: /* unknown */ |
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if (ourvis.depth > 16) |
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for (x = 0; x < xmax; x++) { |
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*dp = ourras->image->red_mask & |
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ourras->image->red_mask*scanline[x][RED]/255; |
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*dp |= ourras->image->green_mask & |
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ourras->image->green_mask*scanline[x][GRN]/255; |
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*dp++ |= ourras->image->blue_mask & |
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ourras->image->blue_mask*scanline[x][BLU]/255; |
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} |
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else |
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for (x = 0; x < xmax; x++) { |
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*dph = ourras->image->red_mask & |
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ourras->image->red_mask*scanline[x][RED]/255; |
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*dph |= ourras->image->green_mask & |
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ourras->image->green_mask*scanline[x][GRN]/255; |
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*dph++ |= ourras->image->blue_mask & |
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ourras->image->blue_mask*scanline[x][BLU]/255; |
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} |
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break; |
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} |
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} |
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} |
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