%!PS-Adobe-2.0
%%Version: 0.1
%%DocumentFonts: (atend)
%%Pages: (atend)
%%EndComments
%
% Version 3.3.2 prologue for troff files.
%

/#copies 1 store
/aspectratio 1 def
/formsperpage 1 def
/landscape false def
/linewidth .3 def
/magnification 1 def
/margin 0 def
/orientation 0 def
/resolution 720 def
/rotation 1 def
/xoffset 0 def
/yoffset 0 def

/roundpage true def
/useclippath true def
/pagebbox [0 0 612 792] def

/R  /Times-Roman def
/I  /Times-Italic def
/B  /Times-Bold def
/BI /Times-BoldItalic def
/H  /Helvetica def
/HI /Helvetica-Oblique def
/HB /Helvetica-Bold def
/HX /Helvetica-BoldOblique def
/CW /Courier def
/CO /Courier def
/CI /Courier-Oblique def
/CB /Courier-Bold def
/CX /Courier-BoldOblique def
/PA /Palatino-Roman def
/PI /Palatino-Italic def
/PB /Palatino-Bold def
/PX /Palatino-BoldItalic def
/Hr /Helvetica-Narrow def
/Hi /Helvetica-Narrow-Oblique def
/Hb /Helvetica-Narrow-Bold def
/Hx /Helvetica-Narrow-BoldOblique def
/KR /Bookman-Light def
/KI /Bookman-LightItalic def
/KB /Bookman-Demi def
/KX /Bookman-DemiItalic def
/AR /AvantGarde-Book def
/AI /AvantGarde-BookOblique def
/AB /AvantGarde-Demi def
/AX /AvantGarde-DemiOblique def
/NR /NewCenturySchlbk-Roman def
/NI /NewCenturySchlbk-Italic def
/NB /NewCenturySchlbk-Bold def
/NX /NewCenturySchlbk-BoldItalic def
/ZD /ZapfDingbats def
/ZI /ZapfChancery-MediumItalic def
/S  /S def
/S1 /S1 def
/GR /Symbol def

/inch {72 mul} bind def
/min {2 copy gt {exch} if pop} bind def

/setup {
	counttomark 2 idiv {def} repeat pop

	landscape {/orientation 90 orientation add def} if
	/scaling 72 resolution div def
	linewidth setlinewidth
	1 setlinecap

	pagedimensions
	xcenter ycenter translate
	orientation rotation mul rotate
	width 2 div neg height 2 div translate
	xoffset inch yoffset inch neg translate
	margin 2 div dup neg translate
	magnification dup aspectratio mul scale
	scaling scaling scale

	addmetrics
	0 0 moveto
} def

/pagedimensions {
	useclippath userdict /gotpagebbox known not and {
		/pagebbox [clippath pathbbox newpath] def
		roundpage currentdict /roundpagebbox known and {roundpagebbox} if
	} if
	pagebbox aload pop
	4 -1 roll exch 4 1 roll 4 copy
	landscape {4 2 roll} if
	sub /width exch def
	sub /height exch def
	add 2 div /xcenter exch def
	add 2 div /ycenter exch def
	userdict /gotpagebbox true put
} def

/addmetrics {
	/Symbol /S null Sdefs cf
	/Times-Roman /S1 StandardEncoding dup length array copy S1defs cf
} def

/pagesetup {
	/page exch def
	currentdict /pagedict known currentdict page known and {
		page load pagedict exch get cvx exec
	} if
} def

/decodingdefs [
	{counttomark 2 idiv {y moveto show} repeat}
	{neg /y exch def counttomark 2 idiv {y moveto show} repeat}
	{neg moveto {2 index stringwidth pop sub exch div 0 32 4 -1 roll widthshow} repeat}
	{neg moveto {spacewidth sub 0.0 32 4 -1 roll widthshow} repeat}
	{counttomark 2 idiv {y moveto show} repeat}
	{neg setfunnytext}
] def

/setdecoding {/t decodingdefs 3 -1 roll get bind def} bind def

/w {neg moveto show} bind def
/m {neg dup /y exch def moveto} bind def
/done {/lastpage where {pop lastpage} if} def

/f {
	dup /font exch def findfont exch
	dup /ptsize exch def scaling div dup /size exch def scalefont setfont
	linewidth ptsize mul scaling 10 mul div setlinewidth
	/spacewidth ( ) stringwidth pop def
} bind def

/changefont {
	/fontheight exch def
	/fontslant exch def
	currentfont [
		1 0
		fontheight ptsize div fontslant sin mul fontslant cos div
		fontheight ptsize div
		0 0
	] makefont setfont
} bind def

/sf {f} bind def

/cf {
	dup length 2 idiv
	/entries exch def
	/chtab exch def
	/newencoding exch def
	/newfont exch def

	findfont dup length 1 add dict
	/newdict exch def
	{1 index /FID ne {newdict 3 1 roll put}{pop pop} ifelse} forall

	newencoding type /arraytype eq {newdict /Encoding newencoding put} if

	newdict /Metrics entries dict put
	newdict /Metrics get
	begin
		chtab aload pop
		1 1 entries {pop def} for
		newfont newdict definefont pop
	end
} bind def

%
% A few arrays used to adjust reference points and character widths in some
% of the printer resident fonts. If square roots are too high try changing
% the lines describing /radical and /radicalex to,
%
%	/radical	[0 -75 550 0]
%	/radicalex	[-50 -75 500 0]
%
% Move braceleftbt a bit - default PostScript character is off a bit.
%

/Sdefs [
	/bracketlefttp		[201 500]
	/bracketleftbt		[201 500]
	/bracketrighttp		[-81 380]
	/bracketrightbt		[-83 380]
	/braceleftbt		[203 490]
	/bracketrightex		[220 -125 500 0]
	/radical		[0 0 550 0]
	/radicalex		[-50 0 500 0]
	/parenleftex		[-20 -170 0 0]
	/integral		[100 -50 500 0]
	/infinity		[10 -75 730 0]
] def

/S1defs [
	/underscore		[0 80 500 0]
	/endash			[7 90 650 0]
] def
%
% Tries to round clipping path dimensions, as stored in array pagebbox, so they
% match one of the known sizes in the papersizes array. Lower left coordinates
% are always set to 0.
%

/roundpagebbox {
    7 dict begin
	/papersizes [8.5 inch 11 inch 14 inch 17 inch] def

	/mappapersize {
		/val exch def
		/slop .5 inch def
		/diff slop def
		/j 0 def
		0 1 papersizes length 1 sub {
			/i exch def
			papersizes i get val sub abs
			dup diff le {/diff exch def /j i def} {pop} ifelse
		} for
		diff slop lt {papersizes j get} {val} ifelse
	} def

	pagebbox 0 0 put
	pagebbox 1 0 put
	pagebbox dup 2 get mappapersize 2 exch put
	pagebbox dup 3 get mappapersize 3 exch put
    end
} bind def

%%EndProlog
%%BeginSetup
mark
%
% Encoding vector and redefinition of findfont for the ISO Latin1 standard.
% The 18 characters missing from ROM based fonts on older printers are noted
% below.
%

/ISOLatin1Encoding [
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/space
	/exclam
	/quotedbl
	/numbersign
	/dollar
	/percent
	/ampersand
	/quoteright
	/parenleft
	/parenright
	/asterisk
	/plus
	/comma
	/minus
	/period
	/slash
	/zero
	/one
	/two
	/three
	/four
	/five
	/six
	/seven
	/eight
	/nine
	/colon
	/semicolon
	/less
	/equal
	/greater
	/question
	/at
	/A
	/B
	/C
	/D
	/E
	/F
	/G
	/H
	/I
	/J
	/K
	/L
	/M
	/N
	/O
	/P
	/Q
	/R
	/S
	/T
	/U
	/V
	/W
	/X
	/Y
	/Z
	/bracketleft
	/backslash
	/bracketright
	/asciicircum
	/underscore
	/quoteleft
	/a
	/b
	/c
	/d
	/e
	/f
	/g
	/h
	/i
	/j
	/k
	/l
	/m
	/n
	/o
	/p
	/q
	/r
	/s
	/t
	/u
	/v
	/w
	/x
	/y
	/z
	/braceleft
	/bar
	/braceright
	/asciitilde
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/.notdef
	/dotlessi
	/grave
	/acute
	/circumflex
	/tilde
	/macron
	/breve
	/dotaccent
	/dieresis
	/.notdef
	/ring
	/cedilla
	/.notdef
	/hungarumlaut
	/ogonek
	/caron
	/space
	/exclamdown
	/cent
	/sterling
	/currency
	/yen
	/brokenbar		% missing
	/section
	/dieresis
	/copyright
	/ordfeminine
	/guillemotleft
	/logicalnot
	/hyphen
	/registered
	/macron
	/degree			% missing
	/plusminus		% missing
	/twosuperior		% missing
	/threesuperior		% missing
	/acute
	/mu			% missing
	/paragraph
	/periodcentered
	/cedilla
	/onesuperior		% missing
	/ordmasculine
	/guillemotright
	/onequarter		% missing
	/onehalf		% missing
	/threequarters		% missing
	/questiondown
	/Agrave
	/Aacute
	/Acircumflex
	/Atilde
	/Adieresis
	/Aring
	/AE
	/Ccedilla
	/Egrave
	/Eacute
	/Ecircumflex
	/Edieresis
	/Igrave
	/Iacute
	/Icircumflex
	/Idieresis
	/Eth			% missing
	/Ntilde
	/Ograve
	/Oacute
	/Ocircumflex
	/Otilde
	/Odieresis
	/multiply		% missing
	/Oslash
	/Ugrave
	/Uacute
	/Ucircumflex
	/Udieresis
	/Yacute			% missing
	/Thorn			% missing
	/germandbls
	/agrave
	/aacute
	/acircumflex
	/atilde
	/adieresis
	/aring
	/ae
	/ccedilla
	/egrave
	/eacute
	/ecircumflex
	/edieresis
	/igrave
	/iacute
	/icircumflex
	/idieresis
	/eth			% missing
	/ntilde
	/ograve
	/oacute
	/ocircumflex
	/otilde
	/odieresis
	/divide			% missing
	/oslash
	/ugrave
	/uacute
	/ucircumflex
	/udieresis
	/yacute			% missing
	/thorn			% missing
	/ydieresis
] def

/NewFontDirectory FontDirectory maxlength dict def

%
% Apparently no guarantee findfont is defined in systemdict so the obvious
%
%	systemdict /findfont get exec
%
% can generate an error. So far the only exception is a VT600 (version 48.0).
%

userdict /@RealFindfont known not {
	userdict begin
		/@RealFindfont systemdict begin /findfont load end def
	end
} if

/findfont {
	dup NewFontDirectory exch known not {
		dup
		%dup systemdict /findfont get exec	% not always in systemdict
		dup userdict /@RealFindfont get exec
		dup /Encoding get StandardEncoding eq {
			dup length dict begin
				{1 index /FID ne {def}{pop pop} ifelse} forall
				/Encoding ISOLatin1Encoding def
				currentdict
			end
			/DummyFontName exch definefont
		} if
		NewFontDirectory 3 1 roll put
	} if
	NewFontDirectory exch get
} bind def

setup
%%EndSetup
%%Page: 1 1
/saveobj save def
mark
1 pagesetup
12 /Times-Bold f
(User) 1980 1230 w
(manual) 2249 1230 w
(for) 2667 1230 w
(old ppm) 2850 1230 w
(functions) 3305 1230 w
10 /Times-Bold f
(libppm) 720 1920 w
10 /Times-Roman f
(Updated: 22 July 2004) 720 2076 w
(Table Of Contents) 720 2196 w
10 /Times-Bold f
(NAME) 720 2436 w
10 /Times-Roman f
(libppm \255 functions for PPM programs) 720 2592 w
10 /Times-Bold f
(SYNOPSIS) 720 2832 w
(#include ) 720 2988 w
10 /S f
(<) 1107 2988 w
10 /Times-Bold f
(ppm.h) 1162 2988 w
10 /S f
(>) 1438 2988 w
10 /Times-Bold f
(void ppm) 720 3144 w
10 /S f
(_) 1124 3144 w
10 /Times-Bold f
(init\(int *) 1174 3144 w
10 /Times-Italic f
(argcP) 1569 3144 w
10 /Times-Bold f
(, char *) 1813 3144 w
10 /Times-Italic f
(argv) 2157 3144 w
10 /Times-Bold f
([]\);) 2340 3144 w
(pixel ** ppm) 720 3300 w
10 /S f
(_) 1271 3300 w
10 /Times-Bold f
(allocarray\( int) 1321 3300 w
10 /Times-Italic f
(cols) 1959 3300 w
10 /Times-Bold f
(,int) 2120 3300 w
10 /Times-Italic f
(rows) 2287 3300 w
10 /Times-Bold f
(\);) 2482 3300 w
(pixel * ppm) 720 3456 w
10 /S f
(_) 1221 3456 w
10 /Times-Bold f
(allocrow\(int) 1271 3456 w
10 /Times-Italic f
(cols) 1812 3456 w
10 /Times-Bold f
(\);) 1973 3456 w
(void ppm) 720 3612 w
10 /S f
(_) 1124 3612 w
10 /Times-Bold f
(freearray\(pixel **) 1174 3612 w
10 /Times-Italic f
(pixels) 1966 3612 w
10 /Times-Bold f
(, int) 2199 3612 w
10 /Times-Italic f
(rows) 2391 3612 w
10 /Times-Bold f
(\);) 2586 3612 w
(void ppm) 720 3768 w
10 /S f
(_) 1124 3768 w
10 /Times-Bold f
(freerow\(pixel *) 1174 3768 w
10 /Times-Italic f
(pixelrow) 1844 3768 w
10 /Times-Bold f
(\);) 2194 3768 w
(void ppm) 720 3924 w
10 /S f
(_) 1124 3924 w
10 /Times-Bold f
(readppminit\(FILE *) 1174 3924 w
10 /Times-Italic f
(fp) 2075 3924 w
10 /Times-Bold f
(, int *) 2153 3924 w
10 /Times-Italic f
(colsP) 2420 3924 w
10 /Times-Bold f
(, int *) 2642 3924 w
10 /Times-Italic f
(rowsP) 2909 3924 w
10 /Times-Bold f
(, pixval *) 3165 3924 w
10 /Times-Italic f
(maxvalP) 3577 3924 w
10 /Times-Bold f
(,int *) 3926 3924 w
10 /Times-Italic f
(formatP) 4168 3924 w
10 /Times-Bold f
(\);) 4521 3924 w
(void ppm) 720 4080 w
10 /S f
(_) 1124 4080 w
10 /Times-Bold f
(readppmrow\(FILE *) 1174 4080 w
10 /Times-Italic f
(fp) 2071 4080 w
10 /Times-Bold f
(, pixel *) 2149 4080 w
10 /Times-Italic f
(pixelrow) 2505 4080 w
10 /Times-Bold f
(, int) 2855 4080 w
10 /Times-Italic f
(cols) 3047 4080 w
10 /Times-Bold f
(, pixval) 3208 4080 w
10 /Times-Italic f
(maxval) 3545 4080 w
10 /Times-Bold f
(, int) 3833 4080 w
10 /Times-Italic f
(format) 4025 4080 w
10 /Times-Bold f
(\);) 4292 4080 w
(pixel ** ppm) 720 4236 w
10 /S f
(_) 1271 4236 w
10 /Times-Bold f
(readppm\(FILE *) 1321 4236 w
10 /Times-Italic f
(fp) 2077 4236 w
10 /Times-Bold f
(, int *) 2155 4236 w
10 /Times-Italic f
(colsP) 2422 4236 w
10 /Times-Bold f
(, int *) 2644 4236 w
10 /Times-Italic f
(rowsP) 2911 4236 w
10 /Times-Bold f
(, pixvalP *) 3167 4236 w
10 /Times-Italic f
(maxvalP) 3640 4236 w
10 /Times-Bold f
(\);) 3989 4236 w
(void ppm) 720 4392 w
10 /S f
(_) 1124 4392 w
10 /Times-Bold f
(writeppminit\(FILE *) 1174 4392 w
10 /Times-Italic f
(fp) 2102 4392 w
10 /Times-Bold f
(, int) 2180 4392 w
10 /Times-Italic f
(cols) 2372 4392 w
10 /Times-Bold f
(, int) 2533 4392 w
10 /Times-Italic f
(rows) 2725 4392 w
10 /Times-Bold f
(, pixval) 2920 4392 w
10 /Times-Italic f
(maxval) 3257 4392 w
10 /Times-Bold f
(, int) 3545 4392 w
10 /Times-Italic f
(forceplain) 3737 4392 w
10 /Times-Bold f
(\);) 4148 4392 w
(void ppm) 720 4548 w
10 /S f
(_) 1124 4548 w
10 /Times-Bold f
(writeppmrow\(FILE *) 1174 4548 w
10 /Times-Italic f
(fp) 2123 4548 w
10 /Times-Bold f
(, pixel *) 2201 4548 w
10 /Times-Italic f
(pixelrow) 2557 4548 w
10 /Times-Bold f
(, int) 2907 4548 w
10 /Times-Italic f
(cols) 3099 4548 w
10 /Times-Bold f
(, pixval) 3260 4548 w
10 /Times-Italic f
(maxval) 3597 4548 w
10 /Times-Bold f
(, int) 3885 4548 w
10 /Times-Italic f
(forceplain) 4077 4548 w
10 /Times-Bold f
(\);) 4488 4548 w
(void ppm) 720 4704 w
10 /S f
(_) 1124 4704 w
10 /Times-Bold f
(writeppm\(FILE *) 1174 4704 w
10 /Times-Italic f
(fp) 1957 4704 w
10 /Times-Bold f
(, pixel **) 2035 4704 w
10 /Times-Italic f
(pixels) 2441 4704 w
10 /Times-Bold f
(, int) 2674 4704 w
10 /Times-Italic f
(cols) 2866 4704 w
10 /Times-Bold f
(, int) 3027 4704 w
10 /Times-Italic f
(rows) 3219 4704 w
10 /Times-Bold f
(, pixval) 3414 4704 w
10 /Times-Italic f
(maxval) 3751 4704 w
10 /Times-Bold f
(, int) 4039 4704 w
10 /Times-Italic f
(forceplain) 4231 4704 w
10 /Times-Bold f
(\);) 4642 4704 w
(void ppm) 720 4860 w
10 /S f
(_) 1124 4860 w
10 /Times-Bold f
(writeppm\(FILE *) 1174 4860 w
10 /Times-Italic f
(fp) 1957 4860 w
10 /Times-Bold f
(, pixel **) 2035 4860 w
10 /Times-Italic f
(pixels) 2441 4860 w
10 /Times-Bold f
(, int) 2674 4860 w
10 /Times-Italic f
(cols) 2866 4860 w
10 /Times-Bold f
(, int) 3027 4860 w
10 /Times-Italic f
(rows) 3219 4860 w
10 /Times-Bold f
(, pixval) 3414 4860 w
10 /Times-Italic f
(maxval) 3751 4860 w
10 /Times-Bold f
(, int) 4039 4860 w
10 /Times-Italic f
(forceplain) 4231 4860 w
10 /Times-Bold f
(\);) 4642 4860 w
(void ppm) 720 5016 w
10 /S f
(_) 1124 5016 w
10 /Times-Bold f
(nextimage\(FILE *) 1174 5016 w
10 /Times-Italic f
(file) 1979 5016 w
10 /Times-Bold f
(, int * const) 2107 5016 w
10 /Times-Italic f
(eofP) 2621 5016 w
10 /Times-Bold f
(\);) 2804 5016 w
(void) 720 5172 w
(ppm) 936 5172 w
10 /S f
(_) 1131 5172 w
10 /Times-Bold f
(check\(FILE) 1181 5172 w
(*) 1724 5172 w
10 /Times-Italic f
(file) 1807 5172 w
10 /Times-Bold f
(,) 1935 5172 w
(const) 1993 5172 w
(enum) 2248 5172 w
(pm) 2520 5172 w
10 /S f
(_) 2659 5172 w
10 /Times-Bold f
(check) 2709 5172 w
10 /S f
(_) 2953 5172 w
10 /Times-Bold f
(type) 3003 5172 w
10 /Times-Italic f
(check) 3219 5172 w
10 /S f
(_) 3445 5172 w
10 /Times-Italic f
(type) 3495 5172 w
10 /Times-Bold f
(,) 3661 5172 w
(const) 3719 5172 w
(int) 3974 5172 w
10 /Times-Italic f
(format) 4124 5172 w
10 /Times-Bold f
(,) 4391 5172 w
(const) 4449 5172 w
(int) 4704 5172 w
10 /Times-Italic f
(cols) 4854 5172 w
10 /Times-Bold f
(,) 5015 5172 w
(const int) 720 5292 w
10 /Times-Italic f
(rows) 1109 5292 w
10 /Times-Bold f
(, const int) 1304 5292 w
10 /Times-Italic f
(maxval) 1743 5292 w
10 /Times-Bold f
(,) 2031 5292 w
(enum pm) 720 5412 w
10 /S f
(_) 1123 5412 w
10 /Times-Bold f
(check) 1173 5412 w
10 /S f
(_) 1417 5412 w
10 /Times-Bold f
(code * const) 1467 5412 w
10 /Times-Italic f
(retval) 2008 5412 w
10 /Times-Bold f
(\);) 2241 5412 w
(typedef ... pixel; typedef ... pixval;) 720 5568 w
(#define PPM) 720 5724 w
10 /S f
(_) 1272 5724 w
10 /Times-Bold f
(MAXMAXVAL ...) 1322 5724 w
(#define PPM) 720 5880 w
10 /S f
(_) 1272 5880 w
10 /Times-Bold f
(OVERALLMAXVAL ...) 1322 5880 w
(#define PPM) 720 6036 w
10 /S f
(_) 1272 6036 w
10 /Times-Bold f
(FORMAT ...) 1322 6036 w
(#define RPPM) 720 6192 w
10 /S f
(_) 1344 6192 w
10 /Times-Bold f
(FORMAT ...) 1394 6192 w
(#define PPM) 720 6348 w
10 /S f
(_) 1272 6348 w
10 /Times-Bold f
(TYPE PPM) 1322 6348 w
10 /S f
(_) 1830 6348 w
10 /Times-Bold f
(FORMAT) 1880 6348 w
(#define PPM) 720 6504 w
10 /S f
(_) 1272 6504 w
10 /Times-Bold f
(FORMAT) 1322 6504 w
10 /S f
(_) 1766 6504 w
10 /Times-Bold f
(TYPE\() 1816 6504 w
10 /Times-Italic f
(format) 2116 6504 w
10 /Times-Bold f
(\) ...) 2383 6504 w
(extern pixval ppm) 720 6660 w
10 /S f
(_) 1498 6660 w
10 /Times-Bold f
(pbmmaxval;) 1548 6660 w
(pixval PPM) 720 6816 w
10 /S f
(_) 1223 6816 w
10 /Times-Bold f
(GETR\(pixel) 1273 6816 w
10 /Times-Italic f
(p) 1821 6816 w
10 /Times-Bold f
(\)) 1871 6816 w
(pixval PPM) 720 6972 w
10 /S f
(_) 1223 6972 w
10 /Times-Bold f
(GETG\(pixel) 1273 6972 w
10 /Times-Italic f
(p) 1827 6972 w
10 /Times-Bold f
(\)) 1877 6972 w
(pixval PPM) 720 7128 w
10 /S f
(_) 1223 7128 w
10 /Times-Bold f
(GETB\(pixel) 1273 7128 w
10 /Times-Italic f
(p) 1816 7128 w
10 /Times-Bold f
(\)) 1866 7128 w
(void PPM) 720 7284 w
10 /S f
(_) 1145 7284 w
10 /Times-Bold f
(ASSIGN\(pixel) 1195 7284 w
10 /Times-Italic f
(p) 1832 7284 w
10 /Times-Bold f
(, pixval) 1882 7284 w
10 /Times-Italic f
(red) 2219 7284 w
10 /Times-Bold f
(, pixval) 2352 7284 w
10 /Times-Italic f
(grn) 2689 7284 w
10 /Times-Bold f
(, pixval) 2828 7284 w
10 /Times-Italic f
(blu) 3165 7284 w
10 /Times-Bold f
(\)) 3293 7284 w
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10 /Times-Roman f
(\255 2 \255) 2797 480 w
10 /Times-Bold f
(int PPM) 720 840 w
10 /S f
(_) 1078 840 w
10 /Times-Bold f
(EQUAL\(pixel) 1128 840 w
10 /Times-Italic f
(p) 1748 840 w
10 /Times-Bold f
(, pixel) 1798 840 w
10 /Times-Italic f
(q) 2079 840 w
10 /Times-Bold f
(\)) 2129 840 w
(int PPM) 720 996 w
10 /S f
(_) 1078 996 w
10 /Times-Bold f
(ISGRAY\(pixel) 1128 996 w
10 /Times-Italic f
(p) 1781 996 w
10 /Times-Bold f
(\)) 1831 996 w
(void PPM) 720 1152 w
10 /S f
(_) 1145 1152 w
10 /Times-Bold f
(DEPTH\(pixel) 1195 1152 w
10 /Times-Italic f
(newp) 1804 1152 w
10 /Times-Bold f
(, pixel) 2015 1152 w
10 /Times-Italic f
(p) 2296 1152 w
10 /Times-Bold f
(, pixval) 2346 1152 w
10 /Times-Italic f
(oldmaxval) 2683 1152 w
10 /Times-Bold f
(, pixval) 3099 1152 w
10 /Times-Italic f
(newmaxval) 3436 1152 w
10 /Times-Bold f
(\)) 3885 1152 w
(pixel ppm) 720 1308 w
10 /S f
(_) 1146 1308 w
10 /Times-Bold f
(parsecolor\(char *) 1196 1308 w
10 /Times-Italic f
(colorname) 1972 1308 w
10 /Times-Bold f
(, pixval) 2399 1308 w
10 /Times-Italic f
(maxval) 2736 1308 w
10 /Times-Bold f
(\)) 3024 1308 w
(char * ppm) 720 1464 w
10 /S f
(_) 1209 1464 w
10 /Times-Bold f
(colorname\(pixel *) 1259 1464 w
10 /Times-Italic f
(colorP) 2047 1464 w
10 /Times-Bold f
(, pixval) 2319 1464 w
10 /Times-Italic f
(maxval) 2656 1464 w
10 /Times-Bold f
(, int) 2944 1464 w
10 /Times-Italic f
(hexok) 3136 1464 w
10 /Times-Bold f
(\)) 3368 1464 w
(void) 720 1620 w
(ppm) 934 1620 w
10 /S f
(_) 1129 1620 w
10 /Times-Bold f
(readcolornamefile\() 1179 1620 w
(const) 2018 1620 w
(char) 2270 1620 w
(*) 2494 1620 w
10 /Times-Italic f
(fileName) 2544 1620 w
10 /Times-Roman f
(,) 2905 1620 w
10 /Times-Bold f
(int) 2960 1620 w
10 /Times-Italic f
(mustOpen) 3107 1620 w
10 /Times-Roman f
(,) 3512 1620 w
10 /Times-Bold f
(colorhash) 3567 1620 w
10 /S f
(_) 3984 1620 w
10 /Times-Bold f
(table) 4034 1620 w
(*) 4275 1620 w
10 /Times-Italic f
(chtP) 4355 1620 w
10 /Times-Roman f
(,) 4538 1620 w
10 /Times-Bold f
(const) 4593 1620 w
(char) 4846 1620 w
(***) 720 1740 w
10 /Times-Italic f
(colornamesP) 895 1740 w
10 /Times-Bold f
(\)) 1447 1740 w
(DESCRIPTION) 720 1980 w
10 /Times-Roman f
(These library functions are part of Netpbm.) 720 2172 w
10 /Times-Bold f
(TYPES AND CONSTANTS) 720 2412 w
10 /Times-Roman f
(Each) 720 2568 w
10 /Times-Bold f
(pixel) 979 2568 w
10 /Times-Roman f
(contains) 1245 2568 w
(three) 1638 2568 w
10 /Times-Bold f
(pixval) 1897 2568 w
10 /Times-Roman f
(s,) 2159 2568 w
(each) 2283 2568 w
(of) 2525 2568 w
(which) 2668 2568 w
(should) 2972 2568 w
(contain) 3299 2568 w
(only) 3654 2568 w
(the) 3893 2568 w
(values) 4076 2568 w
(between) 4392 2568 w
10 /Times-Bold f
(0) 4785 2568 w
10 /Times-Roman f
(and) 4896 2568 w
10 /Times-Bold f
(PPM) 720 2688 w
10 /S f
(_) 936 2688 w
10 /Times-Bold f
(MAXMAXVAL) 986 2688 w
10 /Times-Roman f
(.) 1673 2688 w
10 /Times-Bold f
(ppm) 1760 2688 w
10 /S f
(_) 1955 2688 w
10 /Times-Bold f
(pbmmaxval) 2005 2688 w
10 /Times-Roman f
(is) 2548 2688 w
(the) 2652 2688 w
(maxval) 2811 2688 w
(used) 3142 2688 w
(when) 3362 2688 w
(a) 3615 2688 w
(PPM) 3696 2688 w
(program) 3934 2688 w
(reads) 4308 2688 w
(a) 4554 2688 w
(PBM) 4634 2688 w
(file.) 4882 2688 w
(Normally it is 1; however, for some programs, a larger value gives better results.) 720 2808 w
10 /Times-Bold f
(MANIPULATING PIXELS) 720 3048 w
10 /Times-Roman f
(The) 720 3240 w
(macros) 902 3240 w
10 /Times-Bold f
(PPM) 1217 3240 w
10 /S f
(_) 1433 3240 w
10 /Times-Bold f
(GETR) 1483 3240 w
10 /Times-Roman f
(,) 1767 3240 w
10 /Times-Bold f
(PPM) 1819 3240 w
10 /S f
(_) 2035 3240 w
10 /Times-Bold f
(GETG) 2085 3240 w
10 /Times-Roman f
(,) 2375 3240 w
(and) 2427 3240 w
10 /Times-Bold f
(PPM) 2598 3240 w
10 /S f
(_) 2814 3240 w
10 /Times-Bold f
(GETB) 2864 3240 w
10 /Times-Roman f
(retrieve) 3170 3240 w
(the) 3502 3240 w
(red,) 3652 3240 w
(green,) 3832 3240 w
(or) 4106 3240 w
(blue) 4217 3240 w
(sample,) 4417 3240 w
(respec\255) 4753 3240 w
(tively, from the given pixel.) 720 3360 w
(The) 720 3516 w
10 /Times-Bold f
(PPM) 900 3516 w
10 /S f
(_) 1116 3516 w
10 /Times-Bold f
(ASSIGN) 1166 3516 w
10 /Times-Roman f
(macro assigns the given values to the red, green, and blue samples of the given pixel.) 1564 3516 w
(The) 720 3672 w
10 /Times-Bold f
(PPM) 900 3672 w
10 /S f
(_) 1116 3672 w
10 /Times-Bold f
(EQUAL) 1166 3672 w
10 /Times-Roman f
(macro tests two pixels for equality.) 1547 3672 w
(The) 720 3828 w
10 /Times-Bold f
(PPM) 904 3828 w
10 /S f
(_) 1120 3828 w
10 /Times-Bold f
(ISGRAY) 1170 3828 w
10 /Times-Roman f
(macro) 1588 3828 w
(tests) 1866 3828 w
(a) 2073 3828 w
(pixel) 2146 3828 w
(for) 2375 3828 w
(being) 2520 3828 w
(gray.) 2771 3828 w
(It) 3027 3828 w
(returns) 3117 3828 w
(true) 3423 3828 w
(if) 3607 3828 w
(and) 3697 3828 w
(only) 3870 3828 w
(if) 4077 3828 w
(the) 4167 3828 w
(color) 4318 3828 w
(of) 4552 3828 w
(pixel) 4664 3828 w
10 /Times-Italic f
(p) 4893 3828 w
10 /Times-Roman f
(is) 4973 3828 w
(black, white, or gray.) 720 3948 w
(The) 720 4104 w
10 /Times-Bold f
(PPM) 906 4104 w
10 /S f
(_) 1122 4104 w
10 /Times-Bold f
(DEPTH) 1172 4104 w
10 /Times-Roman f
(macro) 1548 4104 w
(scales) 1828 4104 w
(the) 2097 4104 w
(colors) 2250 4104 w
(of) 2525 4104 w
(pixel) 2639 4104 w
10 /Times-Italic f
(p) 2870 4104 w
10 /Times-Roman f
(according) 2951 4104 w
(the) 3375 4104 w
(old) 3528 4104 w
(and) 3687 4104 w
(new) 3862 4104 w
(maxvals) 4059 4104 w
(and) 4423 4104 w
(assigns) 4598 4104 w
(the) 4918 4104 w
(new values to) 720 4224 w
10 /Times-Italic f
(newp) 1294 4224 w
10 /Times-Roman f
(.) 1505 4224 w
(It is intended to make writing ppmtowhatever easier.) 1580 4224 w
(The) 720 4380 w
10 /Times-Bold f
(PPM) 922 4380 w
10 /S f
(_) 1138 4380 w
10 /Times-Bold f
(LUMIN) 1188 4380 w
10 /Times-Roman f
(,) 1532 4380 w
10 /Times-Bold f
(PPM) 1604 4380 w
10 /S f
(_) 1820 4380 w
10 /Times-Bold f
(CHROM) 1870 4380 w
10 /S f
(_) 2264 4380 w
10 /Times-Bold f
(R) 2314 4380 w
10 /Times-Roman f
(,) 2386 4380 w
(and) 2458 4380 w
10 /Times-Bold f
(PPM) 2649 4380 w
10 /S f
(_) 2865 4380 w
10 /Times-Bold f
(CHROM) 2915 4380 w
10 /S f
(_) 3309 4380 w
10 /Times-Bold f
(B) 3359 4380 w
10 /Times-Roman f
(macros) 3473 4380 w
(determine) 3808 4380 w
(the) 4254 4380 w
(luminance,) 4424 4380 w
(red) 4913 4380 w
(chrominance,) 720 4500 w
(and) 1291 4500 w
(blue) 1466 4500 w
(chrominance,) 1669 4500 w
(respectively,) 2240 4500 w
(of) 2778 4500 w
(the) 2892 4500 w
(pixel) 3045 4500 w
10 /Times-Italic f
(p) 3276 4500 w
10 /Times-Roman f
(.) 3326 4500 w
(The) 3407 4500 w
(scale) 3593 4500 w
(of) 3823 4500 w
(all) 3936 4500 w
(these) 4066 4500 w
(values) 4301 4500 w
(is) 4586 4500 w
(the) 4683 4500 w
(same) 4835 4500 w
(as the scale of the input samples \(i.e. 0 to maxval for luminance, \255maxval/2 to maxval/2 for chrominance\).) 720 4620 w
(Note that the macros do it by floating point multiplication.) 720 4776 w
(If) 3109 4776 w
(you) 3201 4776 w
(are) 3377 4776 w
(computing) 3524 4776 w
(these) 3978 4776 w
(values) 4209 4776 w
(over) 4490 4776 w
(an) 4693 4776 w
(entire) 4813 4776 w
(image,) 720 4896 w
(it) 1024 4896 w
(may) 1115 4896 w
(be) 1322 4896 w
(significantly) 1451 4896 w
(faster) 1986 4896 w
(to) 2242 4896 w
(do) 2355 4896 w
(it) 2489 4896 w
(with) 2579 4896 w
(multiplication) 2791 4896 w
(tables) 3387 4896 w
(instead.) 3654 4896 w
(Compute) 4021 4896 w
(all) 4422 4896 w
(the) 4556 4896 w
(possible) 4712 4896 w
(products once up front, then for each pixel, just look up the products in the tables.) 720 5016 w
10 /Times-Bold f
(INITIALIZATION) 720 5256 w
(ppm) 720 5448 w
10 /S f
(_) 915 5448 w
10 /Times-Bold f
(init\(\)) 965 5448 w
10 /Times-Roman f
(is identical to) 1201 5448 w
10 /Times-Bold f
(pm) 1765 5448 w
10 /S f
(_) 1904 5448 w
10 /Times-Bold f
(init) 1954 5448 w
10 /Times-Roman f
(.) 2099 5448 w
10 /Times-Bold f
(MEMORY MANAGEMENT) 720 5688 w
(ppm) 720 5844 w
10 /S f
(_) 915 5844 w
10 /Times-Bold f
(allocarray\(\)) 965 5844 w
10 /Times-Roman f
(allocates an array of pixels.) 1494 5844 w
10 /Times-Bold f
(ppm) 720 6000 w
10 /S f
(_) 915 6000 w
10 /Times-Bold f
(allocrow\(\)) 965 6000 w
10 /Times-Roman f
(allocates a row of the given number of pixels.) 1422 6000 w
10 /Times-Bold f
(ppm) 720 6156 w
10 /S f
(_) 915 6156 w
10 /Times-Bold f
(freearray\(\)) 965 6156 w
10 /Times-Roman f
(frees the array allocated with) 1459 6156 w
10 /Times-Bold f
(ppm) 2641 6156 w
10 /S f
(_) 2836 6156 w
10 /Times-Bold f
(allocarray\(\)) 2886 6156 w
10 /Times-Roman f
(containing the given number of rows.) 3415 6156 w
10 /Times-Bold f
(ppm) 720 6312 w
10 /S f
(_) 915 6312 w
10 /Times-Bold f
(freerow\(\)) 965 6312 w
10 /Times-Roman f
(frees a row of pixelss allocated with) 1387 6312 w
10 /Times-Bold f
(ppm) 2853 6312 w
10 /S f
(_) 3048 6312 w
10 /Times-Bold f
(allocrow\(\)) 3098 6312 w
10 /Times-Roman f
(.) 3530 6312 w
10 /Times-Bold f
(READING FILES) 720 6552 w
10 /Times-Roman f
(If a function in this section is called on a PBM or PGM) 720 6744 w
(format) 2956 6744 w
(file,) 3248 6744 w
(it) 3432 6744 w
(translates) 3514 6744 w
(the) 3917 6744 w
(PBM) 4065 6744 w
(or) 4303 6744 w
(PGM) 4412 6744 w
(file) 4655 6744 w
(into) 4814 6744 w
(a) 4996 6744 w
(PPM) 720 6864 w
(file) 947 6864 w
(on) 1106 6864 w
(the) 1232 6864 w
(fly) 1380 6864 w
(and) 1517 6864 w
(functions) 1687 6864 w
(as) 2085 6864 w
(if) 2194 6864 w
(it) 2281 6864 w
(were) 2363 6864 w
(called) 2582 6864 w
(on) 2846 6864 w
(the) 2972 6864 w
(equivalent PPM file.) 3120 6864 w
(The) 3995 6864 w
10 /Times-Italic f
(format) 4175 6864 w
10 /Times-Roman f
(value returned) 4467 6864 w
(by) 720 6984 w
10 /Times-Bold f
(ppm) 856 6984 w
10 /S f
(_) 1051 6984 w
10 /Times-Bold f
(readppminit\(\)) 1101 6984 w
10 /Times-Roman f
(is,) 1737 6984 w
(however,) 1865 6984 w
(not) 2269 6984 w
(translated.) 2433 6984 w
(It) 2907 6984 w
(represents) 3004 6984 w
(the) 3444 6984 w
(actual) 3602 6984 w
(format) 3876 6984 w
(of) 4178 6984 w
(the) 4297 6984 w
(PBM) 4455 6984 w
(or) 4703 6984 w
(PGM) 4823 6984 w
(file.) 720 7104 w
10 /Times-Bold f
(ppm) 720 7260 w
10 /S f
(_) 915 7260 w
10 /Times-Bold f
(readppminit\(\)) 965 7260 w
10 /Times-Roman f
(reads) 1605 7260 w
(the) 1855 7260 w
(header) 2017 7260 w
(of) 2322 7260 w
(a) 2445 7260 w
(PPM) 2529 7260 w
(file,) 2770 7260 w
(returning) 2968 7260 w
(all) 3375 7260 w
(the) 3516 7260 w
(information) 3679 7260 w
(from) 4192 7260 w
(the) 4427 7260 w
(header) 4590 7260 w
(and) 4896 7260 w
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10 /Times-Roman f
(\255 3 \255) 2797 480 w
(leaving the file positioned just after the header.) 720 840 w
10 /Times-Bold f
(ppm) 720 996 w
10 /S f
(_) 915 996 w
10 /Times-Bold f
(readppmrow\(\)) 965 996 w
10 /Times-Roman f
(reads) 1613 996 w
(a) 1850 996 w
(row) 1921 996 w
(of) 2103 996 w
(pixels) 2213 996 w
(into) 2479 996 w
(the) 2662 996 w
10 /Times-Italic f
(pixelrow) 2811 996 w
10 /Times-Roman f
(array.) 3188 996 w
10 /Times-Italic f
(format) 3469 996 w
10 /Times-Roman f
(,) 3736 996 w
10 /Times-Italic f
(cols) 3788 996 w
10 /Times-Roman f
(,) 3949 996 w
(and) 4001 996 w
10 /Times-Italic f
(maxval) 4172 996 w
10 /Times-Roman f
(are) 4487 996 w
(the) 4635 996 w
(values) 4785 996 w
(returned by) 720 1116 w
10 /Times-Bold f
(ppm) 1202 1116 w
10 /S f
(_) 1397 1116 w
10 /Times-Bold f
(readppminit\(\)) 1447 1116 w
10 /Times-Roman f
(.) 2047 1116 w
10 /Times-Bold f
(ppm) 720 1272 w
10 /S f
(_) 915 1272 w
10 /Times-Bold f
(readppm\(\)) 965 1272 w
10 /Times-Roman f
(reads) 1449 1272 w
(an) 1688 1272 w
(entire) 1811 1272 w
(PPM) 2067 1272 w
(image) 2298 1272 w
(into) 2572 1272 w
(memory,) 2758 1272 w
(returning) 3146 1272 w
(the) 3542 1272 w
(allocated) 3694 1272 w
(array) 4084 1272 w
(as) 4318 1272 w
(its) 4431 1272 w
(return) 4556 1272 w
(value) 4824 1272 w
(and) 720 1392 w
(returning) 919 1392 w
(the) 1340 1392 w
(information) 1517 1392 w
(from) 2044 1392 w
(the) 2293 1392 w
(header) 2470 1392 w
(as) 2790 1392 w
10 /Times-Italic f
(rows) 2928 1392 w
10 /Times-Roman f
(,) 3123 1392 w
10 /Times-Italic f
(cols) 3203 1392 w
10 /Times-Roman f
(,) 3364 1392 w
(and) 3444 1392 w
10 /Times-Italic f
(maxval) 3643 1392 w
10 /Times-Roman f
(.) 3931 1392 w
(This) 4036 1392 w
(function) 4269 1392 w
(combines) 4657 1392 w
10 /Times-Bold f
(ppm) 720 1512 w
10 /S f
(_) 915 1512 w
10 /Times-Bold f
(readppminit\(\)) 965 1512 w
10 /Times-Roman f
(,) 1565 1512 w
10 /Times-Bold f
(ppm) 1615 1512 w
10 /S f
(_) 1810 1512 w
10 /Times-Bold f
(allocarray\(\)) 1860 1512 w
10 /Times-Roman f
(, and) 2364 1512 w
10 /Times-Bold f
(ppm) 2583 1512 w
10 /S f
(_) 2778 1512 w
10 /Times-Bold f
(readppmrow\(\)) 2828 1512 w
10 /Times-Roman f
(.) 3449 1512 w
10 /Times-Bold f
(WRITING FILES) 720 1752 w
(ppm) 720 1908 w
10 /S f
(_) 915 1908 w
10 /Times-Bold f
(writeppminit\(\)) 965 1908 w
10 /Times-Roman f
(writes the header for a PPM file and leaves it positioned just after the header.) 1617 1908 w
10 /Times-Italic f
(forceplain) 720 2064 w
10 /Times-Roman f
(is) 1161 2064 w
(a) 1258 2064 w
(logical) 1332 2064 w
(value) 1634 2064 w
(that) 1880 2064 w
(tells) 2060 2064 w
10 /Times-Bold f
(ppm) 2257 2064 w
10 /S f
(_) 2452 2064 w
10 /Times-Bold f
(writeppminit\(\)) 2502 2064 w
10 /Times-Roman f
(to) 3184 2064 w
(write) 3293 2064 w
(a) 3529 2064 w
(header) 3604 2064 w
(for) 3900 2064 w
(a) 4047 2064 w
(plain) 4122 2064 w
(PPM) 4353 2064 w
(format) 4585 2064 w
(file,) 4882 2064 w
(as opposed to a raw PPM format file.) 720 2184 w
10 /Times-Bold f
(ppm) 720 2340 w
10 /S f
(_) 915 2340 w
10 /Times-Bold f
(writeppmrow\(\)) 965 2340 w
10 /Times-Roman f
(writes the row) 1638 2340 w
10 /Times-Italic f
(pixelrow) 2234 2340 w
10 /Times-Roman f
(to a PPM file.) 2609 2340 w
(For meaningful results,) 3215 2340 w
10 /Times-Italic f
(cols) 4170 2340 w
10 /Times-Roman f
(,) 4331 2340 w
10 /Times-Italic f
(maxval) 4381 2340 w
10 /Times-Roman f
(,) 4669 2340 w
(and) 4720 2340 w
10 /Times-Italic f
(for\255) 4890 2340 w
(ceplain) 720 2460 w
10 /Times-Roman f
(must be the same as was used with) 1039 2460 w
10 /Times-Bold f
(ppm) 2454 2460 w
10 /S f
(_) 2649 2460 w
10 /Times-Bold f
(writeppminit\(\)) 2699 2460 w
10 /Times-Roman f
(.) 3326 2460 w
10 /Times-Bold f
(ppm) 720 2616 w
10 /S f
(_) 915 2616 w
10 /Times-Bold f
(writeppm\(\)) 965 2616 w
10 /Times-Roman f
(write) 1527 2616 w
(the) 1812 2616 w
(header) 2014 2616 w
(and) 2359 2616 w
(all) 2583 2616 w
(data) 2763 2616 w
(for) 3009 2616 w
(a) 3205 2616 w
(PPM) 3329 2616 w
(image.) 3610 2616 w
(This) 3984 2616 w
(function) 4243 2616 w
(combines) 4657 2616 w
10 /Times-Bold f
(ppm) 720 2736 w
10 /S f
(_) 915 2736 w
10 /Times-Bold f
(writeppminit\(\)) 965 2736 w
10 /Times-Roman f
(and) 1617 2736 w
10 /Times-Bold f
(ppm) 1786 2736 w
10 /S f
(_) 1981 2736 w
10 /Times-Bold f
(writeppmrow\(\)) 2031 2736 w
10 /Times-Roman f
(.) 2679 2736 w
10 /Times-Bold f
(MISCELLANEOUS) 720 2976 w
(ppm) 720 3168 w
10 /S f
(_) 915 3168 w
10 /Times-Bold f
(nextimage\(\)) 965 3168 w
10 /Times-Roman f
(positions) 1543 3168 w
(a) 1979 3168 w
(PPM) 2097 3168 w
(input) 2372 3168 w
(file) 2652 3168 w
(to) 2859 3168 w
(the) 3011 3168 w
(next) 3207 3168 w
(image) 3453 3168 w
(in) 3771 3168 w
(it) 3924 3168 w
(\(so) 4055 3168 w
(that) 4252 3168 w
(a) 4477 3168 w
(subsequent) 4596 3168 w
10 /Times-Bold f
(ppm) 720 3288 w
10 /S f
(_) 915 3288 w
10 /Times-Bold f
(readppminit\(\)) 965 3288 w
10 /Times-Roman f
(reads its header\).) 1590 3288 w
10 /Times-Bold f
(ppm) 720 3444 w
10 /S f
(_) 915 3444 w
10 /Times-Bold f
(nextimage\(\)) 965 3444 w
10 /Times-Roman f
(is analogous to) 1494 3444 w
10 /Times-Bold f
(pbm) 2119 3444 w
10 /S f
(_) 2314 3444 w
10 /Times-Bold f
(nextimage\(\)) 2364 3444 w
10 /Times-Roman f
(, but works on PPM, PGM, and PBM files.) 2868 3444 w
10 /Times-Bold f
(ppm) 720 3600 w
10 /S f
(_) 915 3600 w
10 /Times-Bold f
(check\(\)) 965 3600 w
10 /Times-Roman f
(checks) 1329 3600 w
(for) 1629 3600 w
(the) 1774 3600 w
(common) 1925 3600 w
(file) 2304 3600 w
(integrity) 2466 3600 w
(error) 2834 3600 w
(where) 3056 3600 w
(the) 3328 3600 w
(file) 3479 3600 w
(is) 3641 3600 w
(the) 3737 3600 w
(wrong) 3888 3600 w
(size) 4172 3600 w
(to) 4356 3600 w
(contain) 4464 3600 w
(all) 4788 3600 w
(the) 4918 3600 w
(image data.) 720 3720 w
10 /Times-Bold f
(ppm) 720 3876 w
10 /S f
(_) 915 3876 w
10 /Times-Bold f
(check\(\)) 965 3876 w
10 /Times-Roman f
(is analogous to) 1325 3876 w
10 /Times-Bold f
(pbm) 1950 3876 w
10 /S f
(_) 2145 3876 w
10 /Times-Bold f
(check\(\)) 2195 3876 w
10 /Times-Roman f
(, but works on PPM, PGM, and PBM files.) 2505 3876 w
10 /Times-Bold f
(COLOR) 720 4116 w
(Luminance, Chrominance \(YcbCr\)) 720 4392 w
10 /Times-Roman f
(float PPM) 820 4608 w
10 /S f
(_) 1229 4608 w
10 /Times-Roman f
(LUMIN\(pixel p\);) 1279 4608 w
(float PPM) 820 4728 w
10 /S f
(_) 1229 4728 w
10 /Times-Roman f
(CHROM) 1279 4728 w
10 /S f
(_) 1646 4728 w
10 /Times-Roman f
(B\(pixel p\);) 1696 4728 w
(float PPM) 820 4848 w
10 /S f
(_) 1229 4848 w
10 /Times-Roman f
(CHROM) 1279 4848 w
10 /S f
(_) 1646 4848 w
10 /Times-Roman f
(R\(pixel p\);) 1696 4848 w
10 /Times-Bold f
(PPM) 720 5064 w
10 /S f
(_) 936 5064 w
10 /Times-Bold f
(LUMIN) 986 5064 w
10 /Times-Roman f
(takes) 1358 5064 w
(a) 1591 5064 w
10 /Times-Bold f
(pixel) 1663 5064 w
10 /Times-Roman f
(as) 1897 5064 w
(an) 2008 5064 w
(argument) 2130 5064 w
(and) 2535 5064 w
(returns) 2707 5064 w
(the) 3013 5064 w
(luminance) 3164 5064 w
(of) 3609 5064 w
(that) 3721 5064 w
(pixel,) 3900 5064 w
(with) 4154 5064 w
(the) 4361 5064 w
(same) 4512 5064 w
(maxval) 4746 5064 w
(as the pixel \(e.g. if the pixel's maxval is 255, a) 720 5184 w
10 /Times-Bold f
(PPM) 2612 5184 w
10 /S f
(_) 2828 5184 w
10 /Times-Bold f
(LUMIN) 2878 5184 w
10 /Times-Roman f
(value of 255 means fully luminant\).) 3247 5184 w
10 /Times-Bold f
(PPM) 720 5340 w
10 /S f
(_) 936 5340 w
10 /Times-Bold f
(CHROM) 986 5340 w
10 /S f
(_) 1380 5340 w
10 /Times-Bold f
(B) 1430 5340 w
10 /Times-Roman f
(and) 1522 5340 w
10 /Times-Bold f
(PPM) 1691 5340 w
10 /S f
(_) 1907 5340 w
10 /Times-Bold f
(CHROM) 1957 5340 w
10 /S f
(_) 2351 5340 w
10 /Times-Bold f
(R) 2401 5340 w
10 /Times-Roman f
(are similar, for the red and blue chrominance values.) 2498 5340 w
(pixel) 820 5520 w
(ppm) 820 5640 w
10 /S f
(_) 998 5640 w
10 /Times-Roman f
(color) 1048 5640 w
10 /S f
(_) 1253 5640 w
10 /Times-Roman f
(from) 1303 5640 w
10 /S f
(_) 1497 5640 w
10 /Times-Roman f
(ycbcr\(unsigned int y,) 1547 5640 w
(int) 1345 5760 w
(cb,) 1701 5760 w
(int) 1345 5880 w
(cr\);) 1701 5880 w
10 /Times-Bold f
(ppm) 720 6096 w
10 /S f
(_) 915 6096 w
10 /Times-Bold f
(color) 965 6096 w
10 /S f
(_) 1181 6096 w
10 /Times-Bold f
(from) 1231 6096 w
10 /S f
(_) 1441 6096 w
10 /Times-Bold f
(ycbcr\(\)) 1491 6096 w
10 /Times-Roman f
(converts) 1826 6096 w
(in) 2195 6096 w
(the) 2304 6096 w
(other) 2457 6096 w
(direction.) 2693 6096 w
(Given) 3129 6096 w
(luminance) 3404 6096 w
(and) 3851 6096 w
(chrominance,) 4027 6096 w
(it) 4599 6096 w
(returns) 4687 6096 w
(a) 4996 6096 w
(pixel value.) 720 6216 w
10 /Times-Bold f
(Hue, Saturation, Value \(HSV\)) 720 6456 w
10 /Times-Roman f
(struct hsv {) 820 6672 w
(double h;) 920 6792 w
(/* hue \(degrees\)) 1345 6792 w
(0..360 */) 2037 6792 w
(double s;) 920 6912 w
(/* saturation \(0\2551\) */) 1334 6912 w
(double v;) 920 7032 w
(/* value \(0\2551\) */) 1345 7032 w
(};) 820 7152 w
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10 /Times-Roman f
(\255 4 \255) 2797 480 w
(pixel) 820 900 w
(ppm) 820 1020 w
10 /S f
(_) 998 1020 w
10 /Times-Roman f
(color) 1048 1020 w
10 /S f
(_) 1253 1020 w
10 /Times-Roman f
(from) 1303 1020 w
10 /S f
(_) 1497 1020 w
10 /Times-Roman f
(hsv\(struct hsv const hsv,) 1547 1020 w
(pixval) 1295 1140 w
(const maxval\);) 1670 1140 w
(struct hsv) 820 1380 w
(ppm) 820 1500 w
10 /S f
(_) 998 1500 w
10 /Times-Roman f
(hsv) 1048 1500 w
10 /S f
(_) 1187 1500 w
10 /Times-Roman f
(from) 1237 1500 w
10 /S f
(_) 1431 1500 w
10 /Times-Roman f
(color\(pixel) 1481 1500 w
(const color,) 1969 1500 w
(pixval const maxval\);) 1295 1620 w
(These convert a color between from) 720 1836 w
10 /Times-Bold f
(pixel) 2182 1836 w
10 /Times-Roman f
(\(RGB\) form and HSV.) 2413 1836 w
(pixval) 820 2016 w
(ppm) 820 2136 w
10 /S f
(_) 998 2136 w
10 /Times-Roman f
(saturation\(pixel) 1048 2136 w
(const p,) 1725 2136 w
(pixval const maxval\);) 1195 2256 w
(This) 720 2472 w
(gives) 928 2472 w
(you) 1169 2472 w
(the) 1349 2472 w
(saturation) 1501 2472 w
(of) 1925 2472 w
(a) 2038 2472 w
(color,) 2112 2472 w
(as) 2372 2472 w
(a) 2485 2472 w
(pixval.) 2559 2472 w
(\(e.g.) 2889 2472 w
(if) 3096 2472 w
(the) 3188 2472 w
(saturation) 3341 2472 w
(of) 3766 2472 w
10 /Times-Italic f
(p) 3880 2472 w
10 /Times-Roman f
(is) 3961 2472 w
(50%) 4059 2472 w
(and) 4273 2472 w
10 /Times-Italic f
(maxval) 4448 2472 w
10 /Times-Roman f
(is) 4767 2472 w
(100,) 4865 2472 w
10 /Times-Bold f
(ppm) 720 2592 w
10 /S f
(_) 915 2592 w
10 /Times-Bold f
(saturation\(\)) 965 2592 w
10 /Times-Roman f
(returns 50\).) 1495 2592 w
10 /Times-Bold f
(Berlin\255Kay Color) 720 2832 w
10 /Times-Roman f
(Brent) 720 3024 w
(Berlin) 971 3024 w
(and) 1251 3024 w
(Paul) 1425 3024 w
(Kay) 1633 3024 w
(in) 1829 3024 w
(1969) 1937 3024 w
(did) 2167 3024 w
(a) 2325 3024 w
(study) 2399 3024 w
(which) 2646 3024 w
(identified) 2920 3024 w
(a) 3333 3024 w
(set) 3407 3024 w
(of) 3548 3024 w
(11) 3661 3024 w
(basic) 3791 3024 w
(colors) 4026 3024 w
(people) 4300 3024 w
(universally) 4596 3024 w
(recognize.) 720 3144 w
(They are:) 1182 3144 w
10 /LucidaSansUnicode22 f
(\031) 720 3300 w
10 /Times-Roman f
(black) 970 3300 w
10 /LucidaSansUnicode22 f
(\031) 720 3456 w
10 /Times-Roman f
(gray) 970 3456 w
10 /LucidaSansUnicode22 f
(\031) 720 3612 w
10 /Times-Roman f
(white) 970 3612 w
10 /LucidaSansUnicode22 f
(\031) 720 3768 w
10 /Times-Roman f
(red) 970 3768 w
10 /LucidaSansUnicode22 f
(\031) 720 3924 w
10 /Times-Roman f
(orange) 970 3924 w
10 /LucidaSansUnicode22 f
(\031) 720 4080 w
10 /Times-Roman f
(yellow) 970 4080 w
10 /LucidaSansUnicode22 f
(\031) 720 4236 w
10 /Times-Roman f
(green) 970 4236 w
10 /LucidaSansUnicode22 f
(\031) 720 4392 w
10 /Times-Roman f
(blue) 970 4392 w
10 /LucidaSansUnicode22 f
(\031) 720 4548 w
10 /Times-Roman f
(violet) 970 4548 w
10 /LucidaSansUnicode22 f
(\031) 720 4704 w
10 /Times-Roman f
(purple) 970 4704 w
10 /LucidaSansUnicode22 f
(\031) 720 4860 w
10 /Times-Roman f
(brown) 970 4860 w
(The) 720 5052 w
10 /Times-Bold f
(bk) 900 5052 w
10 /S f
(_) 1012 5052 w
10 /Times-Bold f
(color) 1062 5052 w
10 /Times-Roman f
(type represents a color from this set:) 1303 5052 w
(typedef enum {) 820 5232 w
(BKCOLOR) 920 5352 w
10 /S f
(_) 1398 5352 w
10 /Times-Roman f
(BLACK = 0,) 1448 5352 w
(BKCOLOR) 920 5472 w
10 /S f
(_) 1398 5472 w
10 /Times-Roman f
(GRAY,) 1448 5472 w
(BKCOLOR) 920 5592 w
10 /S f
(_) 1398 5592 w
10 /Times-Roman f
(WHITE,) 1448 5592 w
(BKCOLOR) 920 5712 w
10 /S f
(_) 1398 5712 w
10 /Times-Roman f
(RED,) 1448 5712 w
(BKCOLOR) 920 5832 w
10 /S f
(_) 1398 5832 w
10 /Times-Roman f
(ORANGE,) 1448 5832 w
(BKCOLOR) 920 5952 w
10 /S f
(_) 1398 5952 w
10 /Times-Roman f
(YELLOW,) 1448 5952 w
(BKCOLOR) 920 6072 w
10 /S f
(_) 1398 6072 w
10 /Times-Roman f
(GREEN,) 1448 6072 w
(BKCOLOR) 920 6192 w
10 /S f
(_) 1398 6192 w
10 /Times-Roman f
(BLUE,) 1448 6192 w
(BKCOLOR) 920 6312 w
10 /S f
(_) 1398 6312 w
10 /Times-Roman f
(VIOLET,) 1448 6312 w
(BKCOLOR) 920 6432 w
10 /S f
(_) 1398 6432 w
10 /Times-Roman f
(PURPLE,) 1448 6432 w
(BKCOLOR) 920 6552 w
10 /S f
(_) 1398 6552 w
10 /Times-Roman f
(BROWN) 1448 6552 w
(} bk) 820 6672 w
10 /S f
(_) 993 6672 w
10 /Times-Roman f
(color;) 1043 6672 w
(You) 720 6888 w
(can) 919 6888 w
(use) 1084 6888 w
(this) 1244 6888 w
(as) 1416 6888 w
(an) 1526 6888 w
(index) 1647 6888 w
(of) 1897 6888 w
(an) 2008 6888 w
(array,) 2130 6888 w
(in) 2387 6888 w
(which) 2493 6888 w
(case) 2765 6888 w
(you) 2964 6888 w
(might) 3142 6888 w
(also) 3404 6888 w
(want) 3593 6888 w
(macro) 3815 6888 w
10 /Times-Bold f
(BKCOLOR) 4092 6888 w
10 /S f
(_) 4604 6888 w
10 /Times-Bold f
(COUNT) 4654 6888 w
10 /Times-Roman f
(,) 5015 6888 w
(which is the number of colors in the set \(11\).) 720 7008 w
(To) 720 7164 w
(translate) 941 7164 w
(between) 1389 7164 w
(the) 1831 7164 w
10 /Times-Bold f
(bk) 2063 7164 w
10 /S f
(_) 2175 7164 w
10 /Times-Bold f
(color) 2225 7164 w
10 /Times-Roman f
(type) 2551 7164 w
(and) 2833 7164 w
(the) 3087 7164 w
(English) 3319 7164 w
(names) 3735 7164 w
(of) 4100 7164 w
(the) 4294 7164 w
(colors,) 4527 7164 w
(use) 4907 7164 w
10 /Times-Bold f
(ppm) 720 7284 w
10 /S f
(_) 915 7284 w
10 /Times-Bold f
(bk) 965 7284 w
10 /S f
(_) 1077 7284 w
10 /Times-Bold f
(color) 1127 7284 w
10 /S f
(_) 1343 7284 w
10 /Times-Bold f
(from) 1393 7284 w
10 /S f
(_) 1603 7284 w
10 /Times-Bold f
(name\(\)) 1653 7284 w
10 /Times-Roman f
(and) 1977 7284 w
10 /Times-Bold f
(ppm) 2146 7284 w
10 /S f
(_) 2341 7284 w
10 /Times-Bold f
(name) 2391 7284 w
10 /S f
(_) 2624 7284 w
10 /Times-Bold f
(from) 2674 7284 w
10 /S f
(_) 2884 7284 w
10 /Times-Bold f
(bk) 2934 7284 w
10 /S f
(_) 3046 7284 w
10 /Times-Bold f
(color\(\)) 3096 7284 w
10 /Times-Roman f
(:) 3378 7284 w
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10 /Times-Roman f
(\255 5 \255) 2797 480 w
(bk) 820 900 w
10 /S f
(_) 920 900 w
10 /Times-Roman f
(color) 970 900 w
(ppm) 820 1020 w
10 /S f
(_) 998 1020 w
10 /Times-Roman f
(bk) 1048 1020 w
10 /S f
(_) 1148 1020 w
10 /Times-Roman f
(color) 1198 1020 w
10 /S f
(_) 1403 1020 w
10 /Times-Roman f
(from) 1453 1020 w
10 /S f
(_) 1647 1020 w
10 /Times-Roman f
(name\(const char * name\);) 1697 1020 w
(const char *) 820 1260 w
(ppm) 820 1380 w
10 /S f
(_) 998 1380 w
10 /Times-Roman f
(name) 1048 1380 w
10 /S f
(_) 1264 1380 w
10 /Times-Roman f
(from) 1314 1380 w
10 /S f
(_) 1508 1380 w
10 /Times-Roman f
(bk) 1558 1380 w
10 /S f
(_) 1658 1380 w
10 /Times-Roman f
(color\(bk) 1708 1380 w
10 /S f
(_) 2046 1380 w
10 /Times-Roman f
(color bkColor\);) 2096 1380 w
10 /Times-Bold f
(ppm) 720 1596 w
10 /S f
(_) 915 1596 w
10 /Times-Bold f
(bk) 965 1596 w
10 /S f
(_) 1077 1596 w
10 /Times-Bold f
(color) 1127 1596 w
10 /S f
(_) 1343 1596 w
10 /Times-Bold f
(from) 1393 1596 w
10 /S f
(_) 1603 1596 w
10 /Times-Bold f
(color\(\)) 1653 1596 w
10 /Times-Roman f
(tells) 1970 1596 w
(you) 2172 1596 w
(to) 2357 1596 w
(which) 2470 1596 w
(Berlin\255Kay) 2749 1596 w
(color) 3234 1596 w
(a) 3475 1596 w
(certain) 3555 1596 w
(color) 3862 1596 w
(is) 4103 1596 w
(closest,) 4206 1596 w
(by) 4539 1596 w
(way) 4675 1596 w
(of) 4877 1596 w
(a) 4996 1596 w
(fuzzy color matching algorithm:) 720 1716 w
(bk) 820 1896 w
10 /S f
(_) 920 1896 w
10 /Times-Roman f
(color) 970 1896 w
(ppm) 820 2016 w
10 /S f
(_) 998 2016 w
10 /Times-Roman f
(bk) 1048 2016 w
10 /S f
(_) 1148 2016 w
10 /Times-Roman f
(color) 1198 2016 w
10 /S f
(_) 1403 2016 w
10 /Times-Roman f
(from) 1453 2016 w
10 /S f
(_) 1647 2016 w
10 /Times-Roman f
(color\(pixel) 1697 2016 w
(color,) 2185 2016 w
(pixval maxval\);) 1420 2136 w
10 /Times-Italic f
(maxval) 720 2352 w
10 /Times-Roman f
(is the maxval on which) 1033 2352 w
10 /Times-Italic f
(color) 1985 2352 w
10 /Times-Roman f
(is based.) 2221 2352 w
10 /Times-Bold f
(ppm) 720 2508 w
10 /S f
(_) 915 2508 w
10 /Times-Bold f
(color) 965 2508 w
10 /S f
(_) 1181 2508 w
10 /Times-Bold f
(from) 1231 2508 w
10 /S f
(_) 1441 2508 w
10 /Times-Bold f
(bk) 1491 2508 w
10 /S f
(_) 1603 2508 w
10 /Times-Bold f
(color\(\)) 1653 2508 w
10 /Times-Roman f
(converts) 1971 2508 w
(the) 2345 2508 w
(opposite) 2503 2508 w
(way:) 2878 2508 w
(given) 3108 2508 w
(a) 3366 2508 w
(Berlin\255Kay) 3446 2508 w
(color,) 3931 2508 w
(it) 4197 2508 w
(gives) 4289 2508 w
(the) 4536 2508 w
(color,) 4695 2508 w
(in) 4962 2508 w
10 /Times-Bold f
(pixel) 720 2628 w
10 /Times-Roman f
(form, that best represents it.) 951 2628 w
(pixel) 820 2808 w
(ppm) 820 2928 w
10 /S f
(_) 998 2928 w
10 /Times-Roman f
(color) 1048 2928 w
10 /S f
(_) 1253 2928 w
10 /Times-Roman f
(from) 1303 2928 w
10 /S f
(_) 1497 2928 w
10 /Times-Roman f
(bk) 1547 2928 w
10 /S f
(_) 1647 2928 w
10 /Times-Roman f
(color\(bk) 1697 2928 w
10 /S f
(_) 2035 2928 w
10 /Times-Roman f
(color bkColor,) 2085 2928 w
(pixval) 1420 3048 w
(maxval\);) 1745 3048 w
10 /Times-Italic f
(maxval) 720 3264 w
10 /Times-Roman f
(is the maxval on which the returned color is based.) 1033 3264 w
(All of the facilities in this section were new in Netpbm 10.34 \(June 2006\).) 720 3420 w
10 /Times-Bold f
(COLOR NAMES) 720 3660 w
(System Color Dictionary) 720 3936 w
10 /Times-Roman f
(Netpbm) 720 4128 w
(uses) 1071 4128 w
(the) 1272 4128 w
(system's) 1423 4128 w
(X11) 1802 4128 w
(color) 2003 4128 w
(dictionary) 2237 4128 w
(\(usually) 2671 4128 w
(in) 3022 4128 w
10 /Times-Bold f
(/usr/lib/X11/rgb.txt) 3129 4128 w
10 /Times-Roman f
(\).) 3955 4128 w
(This) 4067 4128 w
(is) 4274 4128 w
(the) 4370 4128 w
(same) 4521 4128 w
(file) 4755 4128 w
(the) 4918 4128 w
(X Window System typically uses to associate colors with their names.) 720 4248 w
(The) 720 4404 w
(color) 903 4404 w
(dictionary) 1136 4404 w
(that) 1569 4404 w
(Netpbm) 1747 4404 w
(uses) 2097 4404 w
(is) 2297 4404 w
(in) 2392 4404 w
(the) 2498 4404 w
(file) 2648 4404 w
(whose) 2809 4404 w
(name) 3092 4404 w
(is) 3336 4404 w
(the) 3431 4404 w
(value) 3581 4404 w
(of) 3826 4404 w
(the) 3938 4404 w
10 /Times-Bold f
(RGBDEF) 4089 4404 w
10 /Times-Roman f
(environment) 4535 4404 w
(variable.) 720 4524 w
(If) 1116 4524 w
10 /Times-Bold f
(RGBDEF) 1207 4524 w
10 /Times-Roman f
(is not set, Netpbm defaults to the first existing file from this list:) 1649 4524 w
(1) 720 4680 w
10 /Times-Bold f
(/usr/lib/X11/rgb.txt) 970 4680 w
10 /Times-Roman f
(2) 720 4836 w
10 /Times-Bold f
(/usr/openwinlib/rgb.txt) 970 4836 w
10 /Times-Roman f
(3) 720 4992 w
10 /Times-Bold f
(/usr/X11R6/lib/X11/rgb.txt) 970 4992 w
10 /Times-Roman f
(You) 720 5184 w
(can) 923 5184 w
(see) 1092 5184 w
(the) 1250 5184 w
(color) 1403 5184 w
(names) 1639 5184 w
(from) 1925 5184 w
(a) 2150 5184 w
(typical) 2225 5184 w
(X11) 2528 5184 w
(color) 2731 5184 w
(dictionary,) 2967 5184 w
(which) 3429 5184 w
(is) 3705 5184 w
(probably) 3804 5184 w
(very) 4191 5184 w
(close) 4400 5184 w
(to) 4637 5184 w
(what) 4747 5184 w
(is) 4973 5184 w
(on your system, along with the colors, here.) 720 5304 w
(This website shows a bunch of other versions you could use.) 2518 5304 w
(Netpbm) 720 5460 w
(is) 1102 5460 w
(packaged) 1229 5460 w
(with) 1665 5460 w
(a) 1904 5460 w
(color) 2009 5460 w
(dictionary.) 2275 5460 w
(A) 2791 5460 w
(standard) 2924 5460 w
(Netpbm) 3323 5460 w
(installation) 3706 5460 w
(installs) 4212 5460 w
(this) 4557 5460 w
(file) 4763 5460 w
(as) 4957 5460 w
("misc/rgb.txt") 720 5580 w
(in) 1326 5580 w
(the) 1447 5580 w
(Netpbm) 1612 5580 w
(directory.) 1977 5580 w
(This) 2430 5580 w
(color) 2651 5580 w
(dictionary) 2899 5580 w
(has) 3347 5580 w
(colors) 3523 5580 w
(from) 3810 5580 w
(everywhere) 4047 5580 w
(the) 4554 5580 w
(Netpbm) 4718 5580 w
(maintainer could find them, and is a superset of XFree 86's color dictionary.) 720 5700 w
10 /Times-Bold f
(ppm) 720 5940 w
10 /S f
(_) 915 5940 w
10 /Times-Bold f
(parsecolor) 965 5940 w
(ppm) 720 6132 w
10 /S f
(_) 915 6132 w
10 /Times-Bold f
(parsecolor\(\)) 965 6132 w
10 /Times-Roman f
(interprets) 1518 6132 w
(a) 1933 6132 w
(color) 2016 6132 w
(specification) 2260 6132 w
(and) 2809 6132 w
(returns) 2992 6132 w
(a) 3308 6132 w
(pixel) 3391 6132 w
(of) 3630 6132 w
(the) 3752 6132 w
(color) 3913 6132 w
(that) 4157 6132 w
(it) 4346 6132 w
(indicates.) 4441 6132 w
(The) 4885 6132 w
(color specification is ASCII text, in one of these formats:) 720 6252 w
10 /LucidaSansUnicode22 f
(\031) 720 6408 w
10 /Times-Roman f
(a name, as defined in the system color dictionary) 970 6408 w
10 /LucidaSansUnicode22 f
(\031) 720 6564 w
10 /Times-Roman f
(An) 996 6564 w
(X11\255style) 1144 6564 w
(hexadecimal) 1564 6564 w
(specifier:) 2094 6564 w
10 /Courier f
(rgb:) 2526 6564 w
10 /Times-Italic f
(r) 2766 6564 w
10 /Courier f
(/) 2805 6564 w
10 /Times-Italic f
(g) 2865 6564 w
10 /Courier f
(/) 2915 6564 w
10 /Times-Italic f
(b) 2975 6564 w
10 /Times-Roman f
(,) 3025 6564 w
(where) 3076 6564 w
10 /Times-Italic f
(r) 3346 6564 w
10 /Times-Roman f
(,) 3385 6564 w
10 /Times-Italic f
(g) 3437 6564 w
10 /Times-Roman f
(,) 3487 6564 w
(and) 3539 6564 w
10 /Times-Italic f
(b) 3710 6564 w
10 /Times-Roman f
(are) 3787 6564 w
(each) 3935 6564 w
(1\255) 4144 6564 w
(to) 4254 6564 w
(4\255digit) 4359 6564 w
(hexadeci\255) 4653 6564 w
(mal) 970 6684 w
(numbers.) 1146 6684 w
(For) 1566 6684 w
(each,) 1731 6684 w
(the) 1964 6684 w
(maxval) 2112 6684 w
(is) 2432 6684 w
(the) 2525 6684 w
(maximum) 2673 6684 w
(number) 3105 6684 w
(that can be represented in the number of) 3436 6684 w
(hexadecimal) 970 6804 w
(digits) 1514 6804 w
(given.) 1778 6804 w
(Example:) 2091 6804 w
10 /Courier f
(rgb:01/ff/8000) 2515 6804 w
10 /Times-Roman f
(specifies) 3396 6804 w
(1/255) 3786 6804 w
(red) 4055 6804 w
(intensity,) 4223 6804 w
(maximum) 4634 6804 w
(green intensity, and about half blue intensity.) 970 6924 w
10 /LucidaSansUnicode22 f
(\031) 720 7080 w
10 /Times-Roman f
(An) 997 7080 w
(X11\255style) 1146 7080 w
(decimal) 1568 7080 w
(specifier:) 1912 7080 w
10 /Courier f
(rgbi:) 2346 7080 w
10 /Times-Italic f
(r) 2646 7080 w
10 /Courier f
(/) 2685 7080 w
10 /Times-Italic f
(g) 2745 7080 w
10 /Courier f
(/) 2795 7080 w
10 /Times-Italic f
(b) 2855 7080 w
10 /Times-Roman f
(,) 2905 7080 w
(where) 2958 7080 w
10 /Times-Italic f
(r) 3229 7080 w
10 /Times-Roman f
(,) 3268 7080 w
10 /Times-Italic f
(g) 3321 7080 w
10 /Times-Roman f
(,) 3371 7080 w
(and) 3424 7080 w
10 /Times-Italic f
(b) 3596 7080 w
10 /Times-Roman f
(are) 3674 7080 w
(floating) 3823 7080 w
(point) 4162 7080 w
(numbers) 4396 7080 w
(from) 4768 7080 w
(0) 4990 7080 w
(to 1.) 970 7200 w
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10 /Times-Roman f
(\255 6 \255) 2797 480 w
10 /LucidaSansUnicode22 f
(\031) 720 840 w
10 /Times-Roman f
(an old\255X11\255style hexadecimal triple:) 970 840 w
10 /Courier f
(#rgb) 2462 840 w
10 /Times-Roman f
(,) 2702 840 w
10 /Courier f
(#rrggbb) 2752 840 w
10 /Times-Roman f
(,) 3172 840 w
10 /Courier f
(#rrrgggbbb) 3257 840 w
10 /Times-Roman f
(, or) 3857 840 w
10 /Courier f
(#rrrrggggbbbb) 4015 840 w
10 /Times-Roman f
(.) 4795 840 w
10 /LucidaSansUnicode22 f
(\031) 720 996 w
10 /Times-Roman f
(A) 970 996 w
(triplet) 1069 996 w
(of) 1335 996 w
(decimal) 1445 996 w
(floating) 1789 996 w
(point) 2128 996 w
(numbers) 2362 996 w
(from) 2734 996 w
(0.0) 2956 996 w
(to) 3109 996 w
(1.0,) 3215 996 w
(representing) 3393 996 w
(red,) 3914 996 w
(green,) 4094 996 w
(and) 4368 996 w
(blue) 4540 996 w
(intensi\255) 4740 996 w
(ties) 970 1116 w
(respectively,) 1141 1116 w
(separated) 1680 1116 w
(by) 2088 1116 w
(commas.) 2220 1116 w
(E.g.) 2634 1116 w
10 /Courier f
(1.0,0.5,.25) 2826 1116 w
10 /Times-Roman f
(.) 3486 1116 w
(This) 3567 1116 w
(is) 3776 1116 w
(for) 3874 1116 w
(backwards) 4021 1116 w
(compatibility;) 4478 1116 w
(it was in use before MIT came up with the similar and preferred rgbi style\).) 970 1236 w
(If) 720 1428 w
(the) 814 1428 w
(color) 964 1428 w
(specification) 1197 1428 w
(does) 1735 1428 w
(not) 1946 1428 w
(conform) 2102 1428 w
(to) 2468 1428 w
(any) 2574 1428 w
(of) 2746 1428 w
(these) 2858 1428 w
(formats,) 3092 1428 w
(including) 3451 1428 w
(the) 3858 1428 w
(case) 4009 1428 w
(that) 4209 1428 w
(it) 4388 1428 w
(is) 4473 1428 w
(a) 4569 1428 w
(name,) 4642 1428 w
(but) 4912 1428 w
(is not in the system color dictionary,) 720 1548 w
10 /Times-Bold f
(ppm) 2203 1548 w
10 /S f
(_) 2398 1548 w
10 /Times-Bold f
(parsecolor\(\)) 2448 1548 w
10 /Times-Roman f
(throws an error.) 2988 1548 w
10 /Times-Bold f
(ppm) 720 1788 w
10 /S f
(_) 915 1788 w
10 /Times-Bold f
(colorname) 965 1788 w
(ppm) 720 1980 w
10 /S f
(_) 915 1980 w
10 /Times-Bold f
(colorname\(\)) 965 1980 w
10 /Times-Roman f
(returns) 1510 1980 w
(a) 1817 1980 w
(string) 1891 1980 w
(that) 2149 1980 w
(describes) 2329 1980 w
(the) 2730 1980 w
(color) 2882 1980 w
(of) 3117 1980 w
(the) 3231 1980 w
(given) 3384 1980 w
(pixel.) 3637 1980 w
(If) 3918 1980 w
(a) 4015 1980 w
(system) 4090 1980 w
(color) 4399 1980 w
(dictionary) 4635 1980 w
(is) 720 2100 w
(available) 813 2100 w
(and) 1199 2100 w
(the) 1369 2100 w
(color) 1517 2100 w
(appears) 1748 2100 w
(in) 2078 2100 w
(it,) 2182 2100 w
10 /Times-Bold f
(ppm) 2289 2100 w
10 /S f
(_) 2484 2100 w
10 /Times-Bold f
(colorname\(\)) 2534 2100 w
10 /Times-Roman f
(returns) 3075 2100 w
(the) 3378 2100 w
(name) 3526 2100 w
(of the color from the file.) 3768 2100 w
(If the) 4827 2100 w
(color) 720 2220 w
(does) 952 2220 w
(not) 1162 2220 w
(appear) 1317 2220 w
(in) 1609 2220 w
(a) 1714 2220 w
(system) 1785 2220 w
(color) 2090 2220 w
(dictionary) 2322 2220 w
(and) 2754 2220 w
10 /Times-Italic f
(hexok) 2925 2220 w
10 /Times-Roman f
(is) 3185 2220 w
(true,) 3280 2220 w
10 /Times-Bold f
(ppm) 3488 2220 w
10 /S f
(_) 3683 2220 w
10 /Times-Bold f
(colorname\(\)) 3733 2220 w
10 /Times-Roman f
(returns) 4276 2220 w
(a) 4581 2220 w
(hexadeci\255) 4653 2220 w
(mal) 720 2340 w
(color) 909 2340 w
(specification) 1153 2340 w
(triple) 1702 2340 w
(\(#rrggbb\).) 1952 2340 w
(If) 2423 2340 w
(a) 2528 2340 w
(system) 2611 2340 w
(color) 2928 2340 w
(dictionary) 3172 2340 w
(is) 3616 2340 w
(available) 3722 2340 w
(but) 4121 2340 w
(the) 4288 2340 w
(color) 4448 2340 w
(does) 4691 2340 w
(not) 4912 2340 w
(appear) 720 2460 w
(in) 1022 2460 w
(it) 1137 2460 w
(and) 1230 2460 w
10 /Times-Italic f
(hexok) 1411 2460 w
10 /Times-Roman f
(is) 1680 2460 w
(false,) 1784 2460 w
10 /Times-Bold f
(ppm) 2034 2460 w
10 /S f
(_) 2229 2460 w
10 /Times-Bold f
(colorname\(\)) 2279 2460 w
10 /Times-Roman f
(returns) 2831 2460 w
(the) 3145 2460 w
(name) 3304 2460 w
(of) 3558 2460 w
(the) 3679 2460 w
(closest) 3839 2460 w
(matching) 4149 2460 w
(color) 4559 2460 w
(in) 4802 2460 w
(the) 4918 2460 w
(color) 720 2580 w
(file.) 961 2580 w
(Finally,) 1180 2580 w
(if) 1525 2580 w
(there) 1622 2580 w
(is) 1857 2580 w
(no) 1960 2580 w
(system) 2096 2580 w
(color) 2409 2580 w
(dictionary) 2649 2580 w
(available) 3089 2580 w
(and) 3484 2580 w
10 /Times-Italic f
(hexok) 3663 2580 w
10 /Times-Roman f
(is) 3930 2580 w
(false,) 4032 2580 w
10 /Times-Bold f
(ppm) 4280 2580 w
10 /S f
(_) 4475 2580 w
10 /Times-Bold f
(colorname\(\)) 4525 2580 w
10 /Times-Roman f
(fails and exits the program with an error message.) 720 2700 w
(The) 720 2856 w
(string) 948 2856 w
(returned) 1249 2856 w
(is) 1654 2856 w
(in) 1794 2856 w
(static) 1945 2856 w
(libppm) 2229 2856 w
(library) 2586 2856 w
(storage) 2925 2856 w
(which) 3286 2856 w
(is) 3603 2856 w
(overwritten) 3743 2856 w
(by) 4276 2856 w
(every) 4449 2856 w
(call) 4744 2856 w
(to) 4962 2856 w
10 /Times-Bold f
(ppm) 720 2976 w
10 /S f
(_) 915 2976 w
10 /Times-Bold f
(colorname\(\)) 965 2976 w
10 /Times-Roman f
(.) 1480 2976 w
10 /Times-Bold f
(ppm) 720 3216 w
10 /S f
(_) 915 3216 w
10 /Times-Bold f
(readcolornamefile) 965 3216 w
(ppm) 720 3408 w
10 /S f
(_) 915 3408 w
10 /Times-Bold f
(readcolornamefile\(\)) 965 3408 w
10 /Times-Roman f
(reads) 1836 3408 w
(the) 2075 3408 w
(entire) 2226 3408 w
(contents) 2482 3408 w
(of) 2844 3408 w
(the) 2956 3408 w
(color) 3107 3408 w
(dictionary) 3341 3408 w
(in) 3775 3408 w
(the) 3882 3408 w
(file) 4034 3408 w
(named) 4197 3408 w
10 /Times-Italic f
(fileName) 4493 3408 w
10 /Times-Roman f
(into) 4884 3408 w
(data structures you can use to access it easily.) 720 3528 w
(The) 720 3684 w
(function) 902 3684 w
(returns) 1262 3684 w
(all) 1566 3684 w
(the) 1693 3684 w
(color) 1843 3684 w
(names) 2076 3684 w
(as) 2359 3684 w
(an) 2470 3684 w
(array) 2592 3684 w
(of) 2824 3684 w
(null\255terminated) 2935 3684 w
(strings.) 3579 3684 w
(It) 3924 3684 w
(mallocs) 4013 3684 w
(the) 4352 3684 w
(space) 4502 3684 w
(for) 4751 3684 w
(this) 4895 3684 w
(array) 720 3804 w
(and) 954 3804 w
(returns) 1128 3804 w
(its) 1435 3804 w
(address) 1560 3804 w
(at) 1889 3804 w
10 /Times-Italic f
(colornamesP) 1991 3804 w
10 /Times-Roman f
(.) 2518 3804 w
10 /Times-Bold f
(\(*colornamesP\)[) 2598 3804 w
10 /Times-Italic f
(i) 3296 3804 w
10 /Times-Bold f
(]) 3324 3804 w
10 /Times-Roman f
(is) 3387 3804 w
(the) 3484 3804 w
(address) 3636 3804 w
(of) 3965 3804 w
(the) 4077 3804 w
(first) 4228 3804 w
(character) 4418 3804 w
(in) 4811 3804 w
(the) 4918 3804 w
(null\255terminated string that is the name of the) 720 3924 w
10 /Times-Italic f
(i) 2524 3924 w
10 /Times-Roman f
(th color in the dictionary.) 2552 3924 w
(The) 720 4080 w
(function) 904 4080 w
(also) 1266 4080 w
(returns) 1456 4080 w
(a) 1762 4080 w
10 /Times-Bold f
(colorhash) 1835 4080 w
10 /S f
(_) 2252 4080 w
10 /Times-Bold f
(table) 2302 4080 w
10 /Times-Roman f
(\(see) 2542 4080 w
(COLOR) 2731 4080 w
(INDEXING\)) 3099 4080 w
(that) 3648 4080 w
(matches) 3828 4080 w
(all) 4185 4080 w
(these) 4315 4080 w
(color) 4550 4080 w
(names) 4785 4080 w
(up) 720 4200 w
(to) 846 4200 w
(the) 950 4200 w
(colors) 1098 4200 w
(they) 1368 4200 w
(represent.) 1566 4200 w
(It) 2007 4200 w
(mallocs) 2094 4200 w
(the) 2431 4200 w
(space) 2579 4200 w
(for) 2826 4200 w
(the) 2968 4200 w
10 /Times-Bold f
(colorhash) 3116 4200 w
10 /S f
(_) 3533 4200 w
10 /Times-Bold f
(table) 3583 4200 w
10 /Times-Roman f
(and returns its address at) 3820 4200 w
10 /Times-Italic f
(chtP) 4832 4200 w
10 /Times-Roman f
(.) 5015 4200 w
(The) 720 4320 w
(number) 914 4320 w
(that) 1258 4320 w
(the) 1447 4320 w
10 /Times-Bold f
(colorhash) 1608 4320 w
10 /S f
(_) 2025 4320 w
10 /Times-Bold f
(table) 2075 4320 w
10 /Times-Roman f
(associates) 2325 4320 w
(with) 2763 4320 w
(each) 2980 4320 w
(color) 3201 4320 w
(is) 3446 4320 w
(the) 3553 4320 w
(index) 3715 4320 w
(into) 3977 4320 w
(the) 4173 4320 w
(color) 4335 4320 w
(name) 4580 4320 w
(array) 4836 4320 w
(described above of the name of that color.) 720 4440 w
(You may specify a null pointer for) 720 4596 w
10 /Times-Italic f
(fileName) 2126 4596 w
10 /Times-Roman f
(to indicate the default color dictionary.) 2512 4596 w
10 /Times-Italic f
(mustOpen) 720 4752 w
10 /Times-Roman f
(is) 1152 4752 w
(a) 1246 4752 w
(boolean.) 1317 4752 w
(If) 1710 4752 w
(it) 1804 4752 w
(is) 1888 4752 w
(nonzero,) 1983 4752 w
(the) 2357 4752 w
(function) 2507 4752 w
(fails) 2868 4752 w
(and) 3068 4752 w
(aborts) 3240 4752 w
(the) 3512 4752 w
(program) 3662 4752 w
(if) 4028 4752 w
(it) 4117 4752 w
(is) 4201 4752 w
(unable) 4296 4752 w
(to) 4590 4752 w
(open) 4696 4752 w
(the) 4918 4752 w
(specified) 720 4872 w
(color) 1115 4872 w
(dictionary) 1355 4872 w
(file.) 1795 4872 w
(If) 2013 4872 w
(it) 2114 4872 w
(is) 2205 4872 w
(zero,) 2307 4872 w
(though,) 2538 4872 w
(it) 2876 4872 w
(simply) 2967 4872 w
(treats) 3275 4872 w
(an) 3526 4872 w
(unopenable) 3655 4872 w
(color) 4150 4872 w
(dictionary) 4390 4872 w
(as) 4829 4872 w
(an) 4946 4872 w
(empty one.) 720 4992 w
(The colorhash and color name array it returns contain no colors or names.) 1214 4992 w
10 /Times-Bold f
(ppm) 720 5148 w
10 /S f
(_) 915 5148 w
10 /Times-Bold f
(readcolornamefile\(\)) 965 5148 w
10 /Times-Roman f
(was new in Netpbm 10.15 \(April 2003\).) 1832 5148 w
10 /Times-Bold f
(COLOR INDEXING) 720 5388 w
10 /Times-Roman f
(Sometimes) 720 5580 w
(in) 1196 5580 w
(processing) 1305 5580 w
(images,) 1763 5580 w
(you) 2102 5580 w
(want) 2283 5580 w
(to) 2508 5580 w
(associate) 2617 5580 w
(a) 3008 5580 w
(value) 3083 5580 w
(with) 3331 5580 w
(a) 3541 5580 w
(particular) 3617 5580 w
(color.) 4031 5580 w
(Most) 4318 5580 w
(often,) 4556 5580 w
(that's) 4818 5580 w
(because) 720 5700 w
(you're) 1068 5700 w
(generating) 1361 5700 w
(a) 1815 5700 w
(color) 1892 5700 w
(mapped) 2130 5700 w
(graphics) 2478 5700 w
(format.) 2848 5700 w
(In) 3196 5700 w
(a) 3311 5700 w
(color) 3387 5700 w
(mapped) 3624 5700 w
(graphics) 3972 5700 w
(format,) 4342 5700 w
(the) 4665 5700 w
(raster) 4819 5700 w
(contains) 720 5820 w
(small) 1080 5820 w
(numbers,) 1324 5820 w
(and) 1720 5820 w
(the) 1891 5820 w
(file) 2040 5820 w
(contains) 2200 5820 w
(a) 2560 5820 w
(color) 2631 5820 w
(map) 2863 5820 w
(that) 3063 5820 w
(tells) 3241 5820 w
(what) 3436 5820 w
(color) 3658 5820 w
(each) 3891 5820 w
(of) 4101 5820 w
(those) 4212 5820 w
(small) 4451 5820 w
(numbers) 4696 5820 w
(refers) 720 5940 w
(to.) 980 5940 w
(If) 1141 5940 w
(your) 1240 5940 w
(image) 1456 5940 w
(has) 1733 5940 w
(only) 1899 5940 w
(256) 2110 5940 w
(colors,) 2293 5940 w
(but) 2595 5940 w
(each) 2756 5940 w
(color) 2971 5940 w
(takes) 3209 5940 w
(24) 3447 5940 w
(bits) 3580 5940 w
(to) 3758 5940 w
(describe,) 3869 5940 w
(this) 4259 5940 w
(can) 4437 5940 w
(make) 4608 5940 w
(your) 4857 5940 w
(output file much smaller than a straightforward RGB raster would.) 720 6060 w
(So, continuing the above example, say you) 720 6216 w
(have) 2461 6216 w
(a) 2675 6216 w
10 /Times-Bold f
(pixel) 2745 6216 w
10 /Times-Roman f
(value) 2977 6216 w
(for) 3219 6216 w
(chartreuse) 3361 6216 w
(and) 3796 6216 w
(in) 3966 6216 w
(your) 4070 6216 w
(output) 4279 6216 w
(file) 4561 6216 w
(and) 4720 6216 w
(you) 4890 6216 w
(are) 720 6336 w
(going) 876 6336 w
(to) 1139 6336 w
(represent) 1252 6336 w
(chartreuse) 1652 6336 w
(by) 2096 6336 w
(the) 2231 6336 w
(number) 2388 6336 w
(12.) 2728 6336 w
(You) 2913 6336 w
(need) 3120 6336 w
(a) 3343 6336 w
(data) 3422 6336 w
(structure) 3623 6336 w
(that) 4006 6336 w
(allows) 4190 6336 w
(your) 4485 6336 w
(program) 4702 6336 w
(quickly) 720 6456 w
(to) 1054 6456 w
(find) 1166 6456 w
(out) 1361 6456 w
(that) 1523 6456 w
(the) 1707 6456 w
(number) 1863 6456 w
(for) 2202 6456 w
(a) 2352 6456 w
(chartreuse) 2430 6456 w
10 /Times-Bold f
(pixel) 2873 6456 w
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(is) 3113 6456 w
(12.) 3214 6456 w
(Netpbm's) 3398 6456 w
(color) 3826 6456 w
(indexing) 4065 6456 w
(data) 4449 6456 w
(types) 4650 6456 w
(and) 4896 6456 w
(functions give you that.) 720 6576 w
10 /Times-Bold f
(colorhash) 720 6732 w
10 /S f
(_) 1137 6732 w
10 /Times-Bold f
(table) 1187 6732 w
10 /Times-Roman f
(is) 1425 6732 w
(a) 1519 6732 w
(C) 1590 6732 w
(data) 1684 6732 w
(type) 1877 6732 w
(that) 2076 6732 w
(associates) 2253 6732 w
(an) 2679 6732 w
(integer) 2800 6732 w
(with) 3104 6732 w
(each) 3309 6732 w
(of) 3518 6732 w
(an) 3628 6732 w
(arbitrary) 3749 6732 w
(number) 4119 6732 w
(of) 4451 6732 w
(colors.) 4562 6732 w
(It) 4884 6732 w
(is) 4973 6732 w
(a hash table, so it uses far less space than an array indexed by the color's RGB values would.) 720 6852 w
(The) 720 7008 w
(problem) 901 7008 w
(with) 1260 7008 w
(a) 1464 7008 w
10 /Times-Bold f
(colorhash) 1534 7008 w
10 /S f
(_) 1951 7008 w
10 /Times-Bold f
(table) 2001 7008 w
10 /Times-Roman f
(is) 2238 7008 w
(that) 2331 7008 w
(you) 2507 7008 w
(can) 2684 7008 w
(only) 2849 7008 w
(look) 3054 7008 w
(things) 3259 7008 w
(up) 3531 7008 w
(in) 3658 7008 w
(it.) 3763 7008 w
(You) 3896 7008 w
(can't) 4095 7008 w
(find) 4321 7008 w
(out) 4509 7008 w
(what) 4664 7008 w
(col\255) 4885 7008 w
(ors) 720 7128 w
(are) 868 7128 w
(in) 1015 7128 w
(it.) 1119 7128 w
(So) 1251 7128 w
(Netpbm) 1383 7128 w
(has) 1731 7128 w
(another) 1890 7128 w
(data) 2215 7128 w
(type) 2407 7128 w
(for) 2605 7128 w
(representing) 2747 7128 w
(the same information, the poorly but histori\255) 3266 7128 w
(cally) 720 7248 w
(named) 957 7248 w
10 /Times-Bold f
(colorhist) 1266 7248 w
10 /S f
(_) 1638 7248 w
10 /Times-Bold f
(vector) 1688 7248 w
10 /Times-Roman f
(.) 1953 7248 w
(A) 2046 7248 w
10 /Times-Bold f
(colorhist) 2161 7248 w
10 /S f
(_) 2533 7248 w
10 /Times-Bold f
(vector) 2583 7248 w
10 /Times-Roman f
(is) 2891 7248 w
(just) 3001 7248 w
(an) 3189 7248 w
(array.) 3326 7248 w
(Each) 3623 7248 w
(entry) 3865 7248 w
(represents) 4113 7248 w
(a) 4560 7248 w
(color) 4647 7248 w
(and) 4896 7248 w
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(\255 7 \255) 2797 480 w
(contains) 720 840 w
(the) 1079 840 w
(color's) 1227 840 w
(value) 1530 840 w
(\(as) 1772 840 w
(a) 1914 840 w
10 /Times-Bold f
(pixel) 1984 840 w
10 /Times-Roman f
(\)) 2190 840 w
(and) 2249 840 w
(the) 2419 840 w
(integer value associated with it.) 2567 840 w
(The entries are filled in start\255) 3879 840 w
(ing with subscript 0 and going consecutively up for the number of colors in the histogram.) 720 960 w
(\(The) 720 1116 w
(reason) 938 1116 w
(the) 1228 1116 w
(name) 1380 1116 w
(is) 1626 1116 w
(poor) 1723 1116 w
(is) 1936 1116 w
(because) 2033 1116 w
(a) 2378 1116 w
(color) 2452 1116 w
(histogram) 2688 1116 w
(is) 3119 1116 w
(only) 3217 1116 w
(one) 3426 1116 w
(of) 3601 1116 w
(many) 3715 1116 w
(things) 3968 1116 w
(that) 4244 1116 w
(could) 4425 1116 w
(be) 4678 1116 w
(repre\255) 4803 1116 w
(sented by it\).) 720 1236 w
10 /Times-Bold f
(colorhash) 720 1392 w
10 /S f
(_) 1137 1392 w
10 /Times-Bold f
(table ppm) 1187 1392 w
10 /S f
(_) 1618 1392 w
10 /Times-Bold f
(alloccolorhash\(\)) 1668 1392 w
10 /Times-Roman f
(This) 720 1548 w
(creates) 930 1548 w
(a) 1238 1548 w
10 /Times-Bold f
(colorhash) 1314 1548 w
10 /S f
(_) 1731 1548 w
10 /Times-Bold f
(table) 1781 1548 w
10 /Times-Roman f
(using) 2024 1548 w
(dynamically) 2273 1548 w
(allocated) 2799 1548 w
(storage.) 3192 1548 w
(There) 3563 1548 w
(are) 3828 1548 w
(no) 3982 1548 w
(colors) 4115 1548 w
(in) 4392 1548 w
(it.) 4503 1548 w
(If) 4642 1548 w
(there) 4741 1548 w
(is) 4973 1548 w
(not enough storage, it exits the program with an error message.) 720 1668 w
10 /Times-Bold f
(void ppm) 720 1824 w
10 /S f
(_) 1124 1824 w
10 /Times-Bold f
(freecolorhash\(\)) 1174 1824 w
10 /Times-Roman f
(This destroys a) 720 1980 w
10 /Times-Bold f
(ppm) 1350 1980 w
10 /S f
(_) 1545 1980 w
10 /Times-Bold f
(freecolorhash) 1595 1980 w
10 /Times-Roman f
(and frees all the storage associated with it.) 2227 1980 w
10 /Times-Bold f
(int ppm) 720 2136 w
10 /S f
(_) 1057 2136 w
10 /Times-Bold f
(addtocolorhash\( colorhash) 1107 2136 w
10 /S f
(_) 2244 2136 w
10 /Times-Bold f
(table cht, const pixel * const colorP, const int value\)) 2294 2136 w
10 /Times-Roman f
(This adds the specified color to the specified) 720 2292 w
10 /Times-Bold f
(colorhash) 2528 2292 w
10 /S f
(_) 2945 2292 w
10 /Times-Bold f
(table) 2995 2292 w
10 /Times-Roman f
(and associates the specified value with it.) 745 2412 w
(You must ensure that the color you are adding isn't already present in the) 720 2568 w
10 /Times-Bold f
(colorhash) 3676 2568 w
10 /S f
(_) 4093 2568 w
10 /Times-Bold f
(table) 4143 2568 w
10 /Times-Roman f
(.) 4354 2568 w
(There is no way to update an entry or delete an entry from a) 720 2724 w
10 /Times-Bold f
(colorhash) 3136 2724 w
10 /S f
(_) 3553 2724 w
10 /Times-Bold f
(table) 3603 2724 w
10 /Times-Roman f
(.) 3814 2724 w
10 /Times-Bold f
(int ppm) 720 2880 w
10 /S f
(_) 1057 2880 w
10 /Times-Bold f
(lookupcolor\( const colorhash) 1107 2880 w
10 /S f
(_) 2341 2880 w
10 /Times-Bold f
(table cht, const pixel * const colorP \)) 2391 2880 w
10 /Times-Roman f
(This) 720 3036 w
(looks) 930 3036 w
(up) 1179 3036 w
(the) 1311 3036 w
(specified) 1465 3036 w
(color) 1857 3036 w
(in) 2094 3036 w
(the) 2204 3036 w
(specified) 2358 3036 w
10 /Times-Bold f
(colorhash) 2751 3036 w
10 /S f
(_) 3168 3036 w
10 /Times-Bold f
(table) 3218 3036 w
10 /Times-Roman f
(.) 3429 3036 w
(It) 3512 3036 w
(returns) 3606 3036 w
(the) 3916 3036 w
(integer) 4071 3036 w
(value) 4381 3036 w
(associated) 4630 3036 w
(with that color.) 720 3156 w
(If) 720 3312 w
(the) 820 3312 w
(specified) 976 3312 w
(color) 1370 3312 w
(is) 1609 3312 w
(not) 1710 3312 w
(in) 1872 3312 w
(the) 1984 3312 w
(hash) 2140 3312 w
(table,) 2358 3312 w
(the) 2612 3312 w
(function) 2769 3312 w
(returns) 3137 3312 w
(\2551.) 3449 3312 w
(\(So) 3617 3312 w
(if) 3791 3312 w
(you) 3887 3312 w
(assign) 4072 3312 w
(the) 4357 3312 w
(value) 4514 3312 w
(\2551) 4765 3312 w
(to) 4883 3312 w
(a) 4996 3312 w
(color, the return value is ambiguous\).) 720 3432 w
10 /Times-Bold f
(colorhist) 720 3588 w
10 /S f
(_) 1092 3588 w
10 /Times-Bold f
(vector ppm) 1142 3588 w
10 /S f
(_) 1627 3588 w
10 /Times-Bold f
(colorhashtocolorhist\( const colorhash) 1677 3588 w
10 /S f
(_) 3271 3588 w
10 /Times-Bold f
(table cht, const int ncolors \)) 3321 3588 w
10 /Times-Roman f
(This) 720 3744 w
(converts) 927 3744 w
(a) 1294 3744 w
10 /Times-Bold f
(colorhash) 1367 3744 w
10 /S f
(_) 1784 3744 w
10 /Times-Bold f
(table) 1834 3744 w
10 /Times-Roman f
(to) 2074 3744 w
(a) 2181 3744 w
10 /Times-Bold f
(colorhist) 2254 3744 w
10 /S f
(_) 2626 3744 w
10 /Times-Bold f
(vector) 2676 3744 w
10 /Times-Roman f
(.) 2941 3744 w
(The) 3020 3744 w
(return) 3204 3744 w
(value) 3471 3744 w
(is) 3716 3744 w
(a) 3812 3744 w
(new) 3885 3744 w
10 /Times-Bold f
(colorhist) 4080 3744 w
10 /S f
(_) 4452 3744 w
10 /Times-Bold f
(vector) 4502 3744 w
10 /Times-Roman f
(which) 4796 3744 w
(you must eventually free with) 720 3864 w
10 /Times-Bold f
(ppm) 1938 3864 w
10 /S f
(_) 2133 3864 w
10 /Times-Bold f
(freecolorhist\(\)) 2183 3864 w
10 /Times-Roman f
(.) 2786 3864 w
10 /Times-Bold f
(ncolors) 720 4020 w
10 /Times-Roman f
(is) 1057 4020 w
(the) 1150 4020 w
(number) 1298 4020 w
(of) 1629 4020 w
(colors) 1738 4020 w
(in) 2008 4020 w
10 /Times-Bold f
(cht) 2112 4020 w
10 /Times-Roman f
(.) 2245 4020 w
(If) 2321 4020 w
(it) 2413 4020 w
(has) 2495 4020 w
(more) 2654 4020 w
(colors) 2886 4020 w
(than) 3157 4020 w
(that,) 3356 4020 w
10 /Times-Bold f
(ppm) 3558 4020 w
10 /S f
(_) 3753 4020 w
10 /Times-Bold f
(colorhashtocolorhist) 3803 4020 w
10 /Times-Roman f
(does) 4702 4020 w
(not) 4912 4020 w
(create a) 720 4140 w
10 /Times-Bold f
(colorhist) 1051 4140 w
10 /S f
(_) 1423 4140 w
10 /Times-Bold f
(vector) 1473 4140 w
10 /Times-Roman f
(and returns NULL.) 1763 4140 w
10 /Times-Bold f
(colorhash) 720 4296 w
10 /S f
(_) 1137 4296 w
10 /Times-Bold f
(table ppm) 1187 4296 w
10 /S f
(_) 1618 4296 w
10 /Times-Bold f
(colorhisttocolorhash\( const colorhist) 1668 4296 w
10 /S f
(_) 3217 4296 w
10 /Times-Bold f
(vector chv, const int ncolors \)) 3267 4296 w
10 /Times-Roman f
(This poorly named function does not convert from a) 720 4452 w
10 /Times-Bold f
(colorhist) 2831 4452 w
10 /S f
(_) 3203 4452 w
10 /Times-Bold f
(vector) 3253 4452 w
10 /Times-Roman f
(to a) 3543 4452 w
10 /Times-Bold f
(colorhash) 3715 4452 w
10 /S f
(_) 4132 4452 w
10 /Times-Bold f
(table) 4182 4452 w
10 /Times-Roman f
(.) 4393 4452 w
(It) 720 4608 w
(does) 810 4608 w
(create) 1022 4608 w
(a) 1288 4608 w
10 /Times-Bold f
(colorhash) 1361 4608 w
10 /S f
(_) 1778 4608 w
10 /Times-Bold f
(table) 1828 4608 w
10 /Times-Roman f
(based) 2068 4608 w
(on) 2324 4608 w
(a) 2453 4608 w
10 /Times-Bold f
(colorhist) 2526 4608 w
10 /S f
(_) 2898 4608 w
10 /Times-Bold f
(vector) 2948 4608 w
10 /Times-Roman f
(input,) 3242 4608 w
(but) 3502 4608 w
(the) 3659 4608 w
(integer) 3810 4608 w
(value) 4117 4608 w
(for) 4363 4608 w
(a) 4509 4608 w
(given) 4583 4608 w
(color) 4835 4608 w
(in) 720 4728 w
(the) 889 4728 w
(output) 1102 4728 w
(is) 1449 4728 w
(not) 1607 4728 w
(the) 1826 4728 w
(same) 2039 4728 w
(as) 2335 4728 w
(the) 2508 4728 w
(integer) 2720 4728 w
(value) 3087 4728 w
(for) 3393 4728 w
(that) 3599 4728 w
(same) 3839 4728 w
(color) 4134 4728 w
(in) 4429 4728 w
(the) 4597 4728 w
(input.) 4809 4728 w
10 /Times-Bold f
(ppm) 720 4848 w
10 /S f
(_) 915 4848 w
10 /Times-Bold f
(colorhisttocolorhash\(\)) 965 4848 w
10 /Times-Roman f
(ignores) 1934 4848 w
(the) 2259 4848 w
(integer) 2412 4848 w
(values) 2720 4848 w
(in) 3006 4848 w
(the) 3115 4848 w
(input.) 3268 4848 w
(In) 3555 4848 w
(the) 3670 4848 w
(output,) 3824 4848 w
(the) 4137 4848 w
(integer) 4291 4848 w
(value) 4600 4848 w
(for) 4848 4848 w
(a) 4996 4848 w
(color is the index in the input) 720 4968 w
10 /Times-Bold f
(colorhist) 1917 4968 w
10 /S f
(_) 2289 4968 w
10 /Times-Bold f
(vector) 2339 4968 w
10 /Times-Roman f
(for that color.) 2629 4968 w
(You) 720 5124 w
(can) 919 5124 w
(easily) 1084 5124 w
(create) 1344 5124 w
(a) 1608 5124 w
(color) 1679 5124 w
(map) 1911 5124 w
(for) 2110 5124 w
(an) 2253 5124 w
(image) 2375 5124 w
(by) 2647 5124 w
(running) 2775 5124 w
10 /Times-Bold f
(ppm) 3114 5124 w
10 /S f
(_) 3309 5124 w
10 /Times-Bold f
(computecolorhist\(\)) 3359 5124 w
10 /Times-Roman f
(over) 4216 5124 w
(the) 4421 5124 w
(image,) 4571 5124 w
(then) 4868 5124 w
10 /Times-Bold f
(ppm) 720 5244 w
10 /S f
(_) 915 5244 w
10 /Times-Bold f
(colorhisttocolorhash\(\)) 965 5244 w
10 /Times-Roman f
(over) 1932 5244 w
(the) 2138 5244 w
(result.) 2289 5244 w
(Now) 2590 5244 w
(you) 2812 5244 w
(can) 2990 5244 w
(use) 3156 5244 w
10 /Times-Bold f
(ppm) 3317 5244 w
10 /S f
(_) 3512 5244 w
10 /Times-Bold f
(lookupcolor\(\)) 3562 5244 w
10 /Times-Roman f
(to) 4168 5244 w
(find) 4274 5244 w
(a) 4463 5244 w
(unique) 4535 5244 w
(color) 4835 5244 w
(index for any pixel in the input.) 720 5364 w
(If) 720 5520 w
(the) 818 5520 w
(same) 972 5520 w
(color) 1209 5520 w
(appears) 1446 5520 w
(twice) 1782 5520 w
(in) 2030 5520 w
(the) 2140 5520 w
(input,) 2295 5520 w
10 /Times-Bold f
(ppm) 2559 5520 w
10 /S f
(_) 2754 5520 w
10 /Times-Bold f
(colorhisttocolorhash\(\)) 2804 5520 w
10 /Times-Roman f
(exit) 3800 5520 w
(the) 3983 5520 w
(program) 4138 5520 w
(with) 4509 5520 w
(an) 4720 5520 w
(error) 4847 5520 w
(message.) 720 5640 w
10 /Times-Bold f
(ncolors) 720 5796 w
10 /Times-Roman f
(is the number of colors in) 1056 5796 w
10 /Times-Bold f
(chv) 2105 5796 w
10 /Times-Roman f
(.) 2255 5796 w
(The return value is a new) 720 5952 w
10 /Times-Bold f
(colorhash) 1756 5952 w
10 /S f
(_) 2173 5952 w
10 /Times-Bold f
(table) 2223 5952 w
10 /Times-Roman f
(which you must eventually free with) 2459 5952 w
10 /Times-Bold f
(ppm) 3946 5952 w
10 /S f
(_) 4141 5952 w
10 /Times-Bold f
(freecolorhash\(\)) 4191 5952 w
10 /Times-Roman f
(.) 4839 5952 w
10 /Times-Bold f
(COLOR HISTOGRAMS) 720 6192 w
10 /Times-Roman f
(The) 720 6384 w
(Netpbm) 907 6384 w
(libraries) 1262 6384 w
(give) 1622 6384 w
(you) 1827 6384 w
(functions) 2010 6384 w
(to) 2415 6384 w
(examine) 2526 6384 w
(a) 2897 6384 w
(Netpbm) 2974 6384 w
(image) 3329 6384 w
(and) 3606 6384 w
(determine) 3783 6384 w
(what) 4215 6384 w
(colors) 4442 6384 w
(are) 4719 6384 w
(in) 4873 6384 w
(it) 4984 6384 w
(and) 720 6504 w
(how) 891 6504 w
(many) 1090 6504 w
(pixels) 1339 6504 w
(of) 1605 6504 w
(each) 1715 6504 w
(color) 1924 6504 w
(are) 2156 6504 w
(in) 2304 6504 w
(it.) 2409 6504 w
(This) 2541 6504 w
(information) 2745 6504 w
(is) 3243 6504 w
(known) 3336 6504 w
(as) 3634 6504 w
(a) 3743 6504 w
(color) 3813 6504 w
(histogram.) 4044 6504 w
(Netpbm) 4520 6504 w
(uses) 4868 6504 w
(its) 720 6624 w
10 /Times-Bold f
(colorhash) 840 6624 w
10 /S f
(_) 1257 6624 w
10 /Times-Bold f
(table) 1307 6624 w
10 /Times-Roman f
(data type to represent a color histogram.) 1543 6624 w
10 /Times-Bold f
(colorhash) 720 6780 w
10 /S f
(_) 1137 6780 w
10 /Times-Bold f
(table) 1187 6780 w
(ppm) 1424 6780 w
10 /S f
(_) 1619 6780 w
10 /Times-Bold f
(computecolorhash\() 1669 6780 w
(pixel) 2512 6780 w
(**) 2745 6780 w
(const) 2872 6780 w
(pixels,) 3121 6780 w
(const) 3418 6780 w
(int) 3667 6780 w
(cols,) 3811 6780 w
(const) 4024 6780 w
(int) 4273 6780 w
(rows,) 4417 6780 w
(const) 4674 6780 w
(int) 4923 6780 w
(maxcolors, int* const colorsP \)) 720 6900 w
10 /Times-Roman f
(This) 720 7056 w
(poorly) 927 7056 w
(but) 1217 7056 w
(historically) 1374 7056 w
(named) 1853 7056 w
(function) 2148 7056 w
(generates) 2510 7056 w
(a) 2915 7056 w
10 /Times-Bold f
(colorhash) 2989 7056 w
10 /S f
(_) 3406 7056 w
10 /Times-Bold f
(table) 3456 7056 w
10 /Times-Roman f
(whose) 3697 7056 w
(value) 3982 7056 w
(for) 4228 7056 w
(each) 4374 7056 w
(color) 4586 7056 w
(is) 4821 7056 w
(the) 4918 7056 w
(number) 720 7176 w
(of) 1056 7176 w
(pixels) 1170 7176 w
(in) 1440 7176 w
(a) 1549 7176 w
(specified) 1624 7176 w
(image) 2015 7176 w
(that) 2290 7176 w
(have) 2471 7176 w
(that) 2690 7176 w
(color.) 2871 7176 w
(\(I.e.) 3156 7176 w
(a) 3346 7176 w
(color) 3420 7176 w
(histogram\).) 3655 7176 w
(As) 4168 7176 w
(a) 4309 7176 w
(bonus,) 4383 7176 w
(it) 4677 7176 w
(returns) 4763 7176 w
(the number of colors in the image.) 720 7296 w
cleartomark
showpage
saveobj restore
%%EndPage: 7 7
%%Page: 8 8
/saveobj save def
mark
8 pagesetup
10 /Times-Roman f
(\255 8 \255) 2797 480 w
(\(It's poorly named because not all) 720 840 w
10 /Times-Bold f
(colorhash) 2106 840 w
10 /S f
(_) 2523 840 w
10 /Times-Bold f
(table) 2573 840 w
10 /Times-Roman f
(s are color histograms, but that's all it generates\).) 2784 840 w
10 /Times-Bold f
(pixels) 720 996 w
10 /Times-Roman f
(,) 965 996 w
10 /Times-Bold f
(cols) 1015 996 w
10 /Times-Roman f
(, and) 1176 996 w
10 /Times-Bold f
(rows) 1395 996 w
10 /Times-Roman f
(describe the input image.) 1625 996 w
10 /Times-Bold f
(maxcolors) 720 1152 w
10 /Times-Roman f
(is) 1187 1152 w
(the) 1283 1152 w
(maximum) 1434 1152 w
(number) 1869 1152 w
(of) 2203 1152 w
(colors) 2315 1152 w
(you) 2588 1152 w
(want) 2768 1152 w
(processed.) 2992 1152 w
(If) 3465 1152 w
(there) 3561 1152 w
(are) 3790 1152 w
(more) 3941 1152 w
(colors) 4176 1152 w
(that) 4450 1152 w
(that) 4630 1152 w
(in) 4810 1152 w
(the) 4918 1152 w
(input) 720 1272 w
(image,) 952 1272 w
10 /Times-Bold f
(ppm) 1247 1272 w
10 /S f
(_) 1442 1272 w
10 /Times-Bold f
(computecolorhash\(\)) 1492 1272 w
10 /Times-Roman f
(returns) 2367 1272 w
(NULL) 2670 1272 w
(as) 2962 1272 w
(its) 3071 1272 w
(return) 3192 1272 w
(value) 3456 1272 w
(and) 3698 1272 w
(stops) 3868 1272 w
(processing) 4100 1272 w
(as) 4553 1272 w
(soon as it) 4662 1272 w
(discovers) 720 1392 w
(this.) 1133 1392 w
(This) 1364 1392 w
(makes) 1579 1392 w
(it) 1871 1392 w
(run) 1964 1392 w
(faster) 2134 1392 w
(and) 2392 1392 w
(use) 2573 1392 w
(less) 2743 1392 w
(memory.) 2930 1392 w
(One) 3350 1392 w
(use) 3553 1392 w
(for) 3723 1392 w
10 /Times-Bold f
(maxcolors) 3876 1392 w
10 /Times-Roman f
(is) 4351 1392 w
(when) 4455 1392 w
(you) 4708 1392 w
(just) 4895 1392 w
(want) 720 1512 w
(to) 941 1512 w
(find) 1046 1512 w
(out) 1234 1512 w
(whether) 1389 1512 w
(or) 1737 1512 w
(not) 1847 1512 w
(the) 2002 1512 w
(image) 2151 1512 w
(has) 2422 1512 w
(more) 2582 1512 w
(than) 2814 1512 w
(N) 3012 1512 w
(colors) 3110 1512 w
(and) 3380 1512 w
(don't) 3550 1512 w
(want) 3787 1512 w
(to) 4007 1512 w
(wait) 4111 1512 w
(to) 4309 1512 w
(generate) 4413 1512 w
(a) 4776 1512 w
(huge) 4846 1512 w
(color table if so.) 720 1632 w
(If you don't want any limit on the number of colors, specify) 1419 1632 w
10 /Times-Bold f
(maxcolors) 3841 1632 w
10 /Times-Roman f
(=) 4279 1632 w
10 /Times-Bold f
(0) 4335 1632 w
10 /Times-Roman f
(.) 4385 1632 w
10 /Times-Bold f
(ppm) 720 1788 w
10 /S f
(_) 915 1788 w
10 /Times-Bold f
(computecolorhash\(\)) 965 1788 w
10 /Times-Roman f
(returns) 1848 1788 w
(the) 2159 1788 w
(actual) 2315 1788 w
(number) 2587 1788 w
(of) 2926 1788 w
(colors) 3043 1788 w
(in) 3321 1788 w
(the) 3433 1788 w
(image) 3589 1788 w
(as) 3867 1788 w
10 /Times-Bold f
(*colorsP) 3984 1788 w
10 /Times-Roman f
(,) 4350 1788 w
(but) 4410 1788 w
(only) 4573 1788 w
(if) 4786 1788 w
(it) 4882 1788 w
(is) 4973 1788 w
(less than or equal to) 720 1908 w
10 /Times-Bold f
(maxcolors) 1544 1908 w
10 /Times-Roman f
(.) 1982 1908 w
10 /Times-Bold f
(colorhash) 720 2064 w
10 /S f
(_) 1137 2064 w
10 /Times-Bold f
(table) 1187 2064 w
(ppm) 1428 2064 w
10 /S f
(_) 1623 2064 w
10 /Times-Bold f
(computecolorhash2\() 1673 2064 w
(FILE) 2569 2064 w
(*) 2833 2064 w
(const) 2914 2064 w
(ifp,) 3167 2064 w
(const) 3340 2064 w
(int) 3593 2064 w
(cols,) 3741 2064 w
(const) 3958 2064 w
(int) 4211 2064 w
(rows,) 4359 2064 w
(const) 4620 2064 w
(pix\255) 4873 2064 w
(val maxval, const int format, const int maxcolors, int* const colorsP \)) 720 2184 w
10 /Times-Roman f
(This is the same as) 720 2340 w
10 /Times-Bold f
(ppm) 1500 2340 w
10 /S f
(_) 1695 2340 w
10 /Times-Bold f
(computecolorhash\(\)) 1745 2340 w
10 /Times-Roman f
(except that instead of feeding it an array) 2619 2340 w
(of) 4249 2340 w
(pixels) 4358 2340 w
(in) 4623 2340 w
(storage,) 4727 2340 w
(you) 720 2460 w
(give) 903 2460 w
(it) 1108 2460 w
(an) 1197 2460 w
(open) 1324 2460 w
(file) 1551 2460 w
(stream) 1717 2460 w
(and) 2016 2460 w
(it) 2193 2460 w
(reads) 2282 2460 w
(the) 2525 2460 w
(image) 2679 2460 w
(from) 2955 2460 w
(the) 3181 2460 w
(file.) 3335 2460 w
(The) 3550 2460 w
(file) 3737 2460 w
(must) 3902 2460 w
(be) 4129 2460 w
(positioned) 4255 2460 w
(after) 4704 2460 w
(the) 4918 2460 w
(header, at the raster.) 720 2580 w
(Upon return, the file is still open, but its position is undefined.) 1575 2580 w
10 /Times-Bold f
(maxval) 720 2736 w
10 /Times-Roman f
(and) 1056 2736 w
10 /Times-Bold f
(format) 1225 2736 w
10 /Times-Roman f
(are the values for the image \(i.e. information from the file's header\).) 1543 2736 w
10 /Times-Bold f
(colorhist) 720 2892 w
10 /S f
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