COMMENT ⊗   VALID 00002 PAGES
C REC  PAGE   DESCRIPTION
C00001 00001
C00002 00002	require "pixlib.rel[vis,hpm]" library
C00005 ENDMK
C⊗;
require "pixlib.rel[vis,hpm]" library;
REQUIRE "PIXSUB.REL[VIS,HPM]" library;
REQUIRE "TVSIX.REL[1,PDQ]" library;

EXTERNAL PROCEDURE MAKTAB(REFERENCE INTEGER PICTURE);
EXTERNAL INTEGER PROCEDURE PIXEL(REFERENCE INTEGER PIX; INTEGER I,J);
EXTERNAL PROCEDURE PUTEL(REFERENCE INTEGER PIX; INTEGER I,J,VALUE);
external INTEGER PROCEDURE PFLDIM(STRING FILNAM);
external INTEGER PROCEDURE GETPFL(STRING FILNAM; REFERENCE INTEGER PICTURE);
external INTEGER PROCEDURE PIXDIM(INTEGER HEIGHT,WIDTH,BITS);
external INTEGER PROCEDURE MAKPIX(INTEGER HEIGHT,WIDTH,BITS; REFERENCE INTEGER PICTURE);
external INTEGER PROCEDURE PUTPFL(REFERENCE INTEGER PICTURE; STRING FILNAM);
external INTEGER PROCEDURE CAMPIX(INTEGER CAMRA,YEDGE,XEDGE,SUMS,CLPINC;
				  REFERENCE INTEGER PIC);
DEFINE PCLN=0;  comment index of word in a picture file containing
			number of scanlines in the picture;
DEFINE PCWD=1;	comment number of words in the picture;
DEFINE PCBY=2;	comment number of valid bytes in the picture;
DEFINE PCBYA=3;	comment no. of bytes including the nulls at the end of lines;
DEFINE LNWD=4;	comment no. of words per scanline;
DEFINE LNBY=5;	comment no. of valid bytes per scanline;
DEFINE LNBYA=6;	comment no. of bytes per scanline, including the nulls;
DEFINE WDBY=7;	comment no. of bytes per word;
DEFINE WDBI=8;	comment no. of bits containing data in a word;
DEFINE BYBI=9;	comment no. of bits per byte;
DEFINE BPTAB=10; comment address of second entry in byte pntr. table;
DEFINE LINTAB=11; comment actual address of the first entry in the row table;