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/* Copyright (c) 1991 Regents of the University of California */ |
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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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* prot.c - program to rotate picture file 90 degrees clockwise. |
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* |
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* 2/26/88 |
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*/ |
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#include "platform.h" |
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#include "standard.h" |
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#include "color.h" |
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#include <time.h> |
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#include "resolu.h" |
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int order; /* input scanline order */ |
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int correctorder = 0; /* order correction? */ |
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int ccw = 0; /* rotate CCW? */ |
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#ifdef BIGMEM |
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char buf[1<<22]; /* output buffer */ |
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#else |
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#ifdef SMLMEM |
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char buf[1<<20]; /* output buffer */ |
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#else |
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char buf[1<<22]; /* output buffer */ |
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#endif |
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int nrows; /* number of rows output at once */ |
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char *progname; |
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short ordertab[4][2] = { |
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{0,XDECR}, {XDECR,XDECR|YDECR}, {XDECR|YDECR,YDECR}, {YDECR,0} |
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{0,0}, {XDECR,XDECR|YDECR}, {XDECR|YDECR,YDECR}, {YDECR,XDECR} |
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}; |
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int |
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neworder() /* return corrected order */ |
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static int neworder(void); |
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static void rotatecw(FILE *fp); |
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static void rotateccw(FILE *fp); |
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static int |
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neworder(void) /* return corrected order */ |
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{ |
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static short ordercw[8]; |
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register int i; |
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if (correctorder) |
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return(order); |
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for (i = 4; i--; ) |
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if ((order&~YMAJOR) == ordertab[i][ccw]) |
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return(ordertab[i][1-ccw] | ((order&YMAJOR)^YMAJOR)); |
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if (!ordercw[0]) { |
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ordercw[YMAJOR|YDECR] = 0; |
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ordercw[0] = YMAJOR|XDECR; |
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ordercw[YMAJOR|XDECR] = XDECR|YDECR; |
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ordercw[XDECR|YDECR] = YMAJOR|YDECR; |
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ordercw[YMAJOR|XDECR|YDECR] = XDECR; |
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ordercw[XDECR] = YMAJOR; |
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ordercw[YMAJOR] = YDECR; |
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ordercw[YDECR] = YMAJOR|XDECR|YDECR; |
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} |
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if (!ccw) |
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return(ordercw[order]); |
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for (i = 8; i--; ) |
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if (ordercw[i] == order) |
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return(i); |
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fputs("Order botch!\n", stderr); |
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exit(2); |
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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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static char picfmt[LPICFMT+1] = PICFMT; |
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static char picfmt[MAXFMTLEN] = PICFMT; |
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int rval; |
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FILE *fin; |
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SET_DEFAULT_BINARY(); |
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SET_FILE_BINARY(stdout); |
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progname = argv[0]; |
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while (argc > 2 && argv[1][0] == '-') { |
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} |
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rotatecw(fp) /* rotate picture clockwise */ |
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FILE *fp; |
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static void |
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rotatecw( /* rotate picture clockwise */ |
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FILE *fp |
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) |
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{ |
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register COLR *inln; |
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register int xoff, inx, iny; |
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exit(1); |
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} |
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for (inx = 0; inx < nrows && xoff+inx < xres; inx++) |
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bcopy((char *)inln[xoff+inx], |
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(char *)scanbar[inx*yres+iny], |
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sizeof(COLR)); |
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copycolr(scanbar[inx*yres+iny], |
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inln[xoff+inx]); |
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} |
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for (inx = 0; inx < nrows && xoff+inx < xres; inx++) |
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if (fwritecolrs(scanbar+inx*yres, yres, stdout) < 0) { |
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exit(1); |
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} |
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} |
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free((char *)inln); |
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free((void *)inln); |
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} |
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rotateccw(fp) /* rotate picture counter-clockwise */ |
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FILE *fp; |
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static void |
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rotateccw( /* rotate picture counter-clockwise */ |
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FILE *fp |
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) |
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{ |
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register COLR *inln; |
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register int xoff, inx, iny; |
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exit(1); |
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} |
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for (inx = 0; inx < nrows && xoff-inx >= 0; inx++) |
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bcopy((char *)inln[xoff-inx], |
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(char *)scanbar[inx*yres+iny], |
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sizeof(COLR)); |
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copycolr(scanbar[inx*yres+iny], |
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inln[xoff-inx]); |
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} |
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for (inx = 0; inx < nrows && xoff-inx >= 0; inx++) |
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if (fwritecolrs(scanbar+inx*yres, yres, stdout) < 0) { |
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exit(1); |
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} |
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} |
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free((char *)inln); |
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free((void *)inln); |
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} |
