Extrahieren von Bildern aus EPS - Problemmit ASCII85 und Bildanzeige

[Dandyduck]

Hallo miteinander,

ich habe ein gewaltiges Problem mit dem Extrahieren von Bildern aus einem EPS, welches in InDesign erstellt wurde.

Grundlage:

%ALDImageFileName: Speicher:kleinsbildirgendwieirgendwaswiedueshabenwillst.jpg

%ALDImageDimensions: 30 30

%ALDImageCropRect: 0 0 30 30

%ALDImageCropFixed: 0 0 30 30

%ALDImagePosition: 203.8677 344.8913 203.8677 359.2913 218.2677 359.2913 218.2677 344.8913

%ALDImageType: 4 8

%%BeginObject: image

[14.4 0 0 14.4 203.868 344.891 ]ct

snap_to_device

Adobe_AGM_Image/AGMIMG_fl cf /ASCII85Decode fl /RunLengthDecode filter ddf

<<

/T 1

/W 30

/H 30

/M[30 0 0 -30 0 30 ]

/BC 8

/D[0 1 0 1 0 1 0 1 ]

/DS [

[AGMIMG_fl 30 string /rs cvx /pop cvx] cvx

[AGMIMG_fl 30 string /rs cvx /pop cvx] cvx

[AGMIMG_fl 30 string /rs cvx /pop cvx] cvx

[AGMIMG_fl 30 string /rs cvx /pop cvx] cvx

]

/O 3

>>

%%BeginBinary: 1

img

p&G-p!<E*"!<<3"!!!&i!!30$!Vl`q!V$-m!WW3&!r`0#!Wh]h!!20]!WW3$qZ$^!!!!&f!!30$!WE'!

!WE'$!<<*#nc/[l!W<!#!WW3%h>dNVnGiXl!<<-)!!*'"!<<2f!<*$!!<3)a!!!&t!!*-%kl:\ar;Zm"

!!2He#6G2G(D[>Z!<*#e!!WKUEK,/l!r`0"!V$.!!Wi?'-t[mD-NjDN!!2Zk!!3#u"T\]4$OR%8!!!&h

!!<6)*\I@D!\,8pq>g3h%KQP0';ta-rr2ho&-2b3mf3Y*Q/q,jk2D[9"76'h!=o#B!Y,22n,Nn!!!=Q!

0.ee,0/"XS!VHHl!!E<'!"[l]rrUsd!Ug!r&'a/!k3(mej38#8mJm8&'`/UF'`J.(!"8l.+"o,p/hSe-

/M8.8!!<6%!i#Yn!<2rs!2Ao^$NZFPk2tpjkND!jP3r;O%29TU'`o-b%e'H-!=:8,0/"h-.kN>(.gkeH

"T^(Js8W&srrE$$rr;gE!V-4"""*$ljlY^djQYmmi$\'q!W`9(p([Q1nc/dn!#@(:r[nC..kE8)/emgU

!<IHErs8W(rr<#trr76B!:p1!CZadBk2kmhj65^iD"%E-$5O?k'`&OE$M"0,!<<uh0.ee0/h\e,/h.k2

!!*+arVm-$s8W)us8J2U!;Z[(L?.U[kN:sflf@0hK^f$D!=T\>'a5?f'c%2YnGit6/1iM*/1iA*.kWFi

nc/dn!I+SBqYpWrrcdo5!<N60C$4[@ki_*hl0.?lD".K0!=9MV'c%S_'`f!Vnc01&!!t50/M8P+/h8J)

.gH+F!!+PDrVllsrVlrp.KT,@#QauQip#Ifk3*$4ki:gb-3Nc<$j.4Z'GV>s'bqJt('F(,%06GL/hJ_.

.k<;..j"f]!!32!rql]tr;WMmmf3c`k2tsgk2tmikEZ,Kn,NJ!'`/UJ'G_,X!V-6i!=L8*/2&S./M&=P

!!2Ti"9AV]s8N#t"o\JY&c_t$!"-g0j6,RdkNBr!!r2ii!!!]1'a,9f'*84(!"Ar/""YuT/M8Y)!WW3$

nc0%!!!!Z$s8N#ts76`i!"T,3!!3\bl0.?qjkC7H!!;`lrW!!#!>PMJ!u;Ub!Ug$f!=JlU/M/S*/ggZ#

!!2Ng$3K)as8N&tjT#8]m/R@3k2b[ck03)j!>?4H'`\p6!!**(r[e6p.kWIZmJm:h!#kk:#.sp7ru_:B

mJmV6jQ>U%kN:kH!!!)h!!!'!'`\gE'`eC:mf3^r!=pb8/ds9_.h;[J!!u[*s8GIerr6%#m/RGck3(kk

kNM&%!Up'o!<<*)'bhDfrY5G=!Vufj!"K#0!#mOB.0(kM0,afj!V$-u!<A8^s6B[Es8S8_!U]poKBMCG

!7'`iKECN@#RhF_'*&[\'b'X5r;[9-!$a!F*W[<7.jP)q!V-4#!<<,As8T>(W;lnB!!!&g!"63skFhmD

jlEuS!!2Ng#S7^d%KHtR'bTm7!s/H(/-mj['`\n!/1Ukk!"985s8@'?Du]k7%KHP#!"8l0$KC71C'%l,

jl$a?!!<6%!!3'6!X\o6rY5J8!!2Qh#Ri::0*_I`/1U`S%.4)q5Q:Zg2ukf6s8P=a!V$-t!]]?)jY?ff

kN:qhmJmFp()7Pf!!N99!!Vcj$l1NL.KKPM/1iIi!!3'!o`,F%!dakFpBL[$pAb/A!Up's!H@5cf`qK\

hWF!BmJmV%'GV;_!!*`J'FFm3!!WH(!?WpE,Q7ZH+tP;f!!2foq>^W-s8Tn6!!L"8s0r.!!">[bkcXsf

!3>;FU]CPd!!<]G'bL?E!tZ.^&+9K$!\#`P)?'U>'e***g!!2Zk!W`9$$g.KhLB.ATL&_2?"7Q9n!RU)n

I/X*KGN@l9"Rc<t',;8j!!!$,'bhAP!!WQ+!"US5%fQG1%PKFQn,NUm!*fL'9)\en8,rO]!V-4"!rrBu

jQ/].!WYOLl&b?6"9AcD'aFX;"9oSU%0>nt$NV(q!rr<%"YC_q"7Z@"!<<+Eq@Wc/!#,C9"9&;k!!E?)

D;u0+!!<qtS-&0["T\T'$5EXA!!33:%da5t!<<]/!!3u<!V$-o!<<*#!FZ$-!!A;d!!2ipq#CKu!<?7$

!!WK)KEM8T"RZ6i$2so,!<<Q0li77k!!30$!<</h!!!'!!!E<'!!!&c!"8o/!!*'#"98E'!WW;h!!!'!

!!NB'!<<*#n,N[o!<<*#!!!'!!!!&f!!E<&!!*-"!!!'!!!**%o)K!s!!*-$!<<*#!!<-"!Wi?&l2Ueb

rVup!q#Gp~>

%%EndBinary

%%EndObject

Orginal Bild Größe 553,9 KB

Nach dem decode nur noch eine Größe von 1,8 KB

Versuch 1.

public class ASCII85Decode {

private ByteBuffer buf;

/**

* initialize the decoder with byte buffer in ASCII85 format

*/

private ASCII85Decode(ByteBuffer buf) {

this.buf = buf;

}

/**

* get the next character from the input.

* @return the next character, or -1 if at end of stream

*/

private int nextChar() {

// skip whitespace

// returns next character, or -1 if end of stream

while (buf.remaining() > 0) {

char c = (char) buf.get();

if (!isWhiteSpace©) {

return c;

}

}

// EOF reached

return -1;

}

public static boolean isWhiteSpace(int c) {

return (c == ' ' || c == '\t' || c == '\r' || c == '\n'

|| c == 0 || c == 12);

// 0=nul, 12=ff

}

/**

* decode the next five ASCII85 characters into up to four decoded

* bytes. Return false when finished, or true otherwise.

*

* @param baos the ByteArrayOutputStream to write output to, set to the

* correct position

* @return false when finished, or true otherwise.

*/

private boolean decode5(ByteArrayOutputStream baos)

throws PDFParseException {

// stream ends in ~>

int[] five = new int[5];

int i;

for (i = 0; i < 5; i++) {

five = nextChar();

if (five == '~') {

if (nextChar() == '>') {

break;

} else {

throw new PDFParseException(

"Bad character in ASCII85Decode: not ~>");

}

} else if (five >= '!' && five <= 'u') {

five -= '!';

} else if (five == 'z') {

if (i == 0) {

five = 0;

i = 4;

} else {

throw new PDFParseException(

"Inappropriate 'z' in ASCII85Decode");

}

} else {

throw new PDFParseException(

"Bad character in ASCII85Decode: " + five

+ " (" + (char) five + ")");

}

}

if (i > 0) {

i -= 1;

}

int value = five[0] * 85 * 85 * 85 * 85 + five[1] * 85 * 85

* 85 + five[2] * 85 * 85 + five[3] * 85 + five[4];

for (int j = 0; j < i; j++) {

int shift = 8 * (3 - j);

baos.write((byte) ((value >> shift) & 0xff));

}

return (i == 4);

}

/**

* decode the bytes

* @return the decoded bytes

*/

private ByteBuffer decode() throws PDFParseException {

// start from the beginning of the data

buf.rewind();

// allocate the output buffer

ByteArrayOutputStream baos = new ByteArrayOutputStream();

// decode the bytes

while (decode5(baos)) {

}

return ByteBuffer.wrap(baos.toByteArray());

}

/**

* decode an array of bytes in ASCII85 format.

* <p>

* In ASCII85 format, every 5 characters represents 4 decoded

* bytes in base 85. The entire stream can contain whitespace,

* and ends in the characters '~>'.

*

* @param buf the encoded ASCII85 characters in a byte buffer

* @param params parameters to the decoder (ignored)

* @return the decoded bytes

*/

public static ByteBuffer decode(ByteBuffer buf)

throws PDFParseException {

ASCII85Decode me = new ASCII85Decode(buf);

return me.decode();

}

}

Versuch 2.

public class Ascii85Decode {

private final FileOutputStream fos;

private Ascii85Decode() throws FileNotFoundException {

File f = new File("/home/markus/1/test/bild.jpg");

fos = new FileOutputStream(f);

}

@Override

protected void finalize() throws Throwable {

fos.close();

super.finalize();

}

public static byte[] decode(byte[] in) throws FileNotFoundException, IOException {

Ascii85Decode ascii85Decode = new Ascii85Decode();

ascii85Decode.setData(in);

ascii85Decode.decode85();

return null;

}

static long pow85[] = {85 * 85 * 85 * 85, 85 * 85 * 85, 85 * 85, 85, 1};

private byte[] in;

private void setData(byte[] in) {

this.in = in;

}

void wput(long tuple, int bytes) throws IOException {

switch (bytes) {

case 4:

putchar((int) (tuple >> 24));

putchar((int) (tuple >> 16));

putchar((int) (tuple >> 8));

putchar((int) tuple);

break;

case 3:

putchar((int) (tuple >> 24));

putchar((int) (tuple >> 16));

putchar((int) (tuple >> 8));

break;

case 2:

putchar((int) (tuple >> 24));

putchar((int) (tuple >> 16));

break;

case 1:

putchar((int) (tuple >> 24));

break;

}

}

void decode85() throws IOException {

long tuple = 0;

int c, count = 0;

int i=0;

for (; {

switch (c = in) {

default:

if (c < '!' || c > 'u') {

System.err.println("%s: bad character in ascii85 region: %#o\n");

System.exit(1);

}

tuple += (c - '!') * pow85[count++];

if (count == 5) {

wput(tuple, 4);

count = 0;

tuple = 0;

}

break;

case 'z':

if (count != 0) {

System.err.println("%s: z inside ascii85 5-tuple\n");

System.exit(1);

}

putchar(0);

putchar(0);

putchar(0);

putchar(0);

break;

case '~':

if (in[i+1] == '>') {

if (count > 0) {

count--;

tuple += pow85[count];

wput(tuple, count);

}

c = in[i+1];

return;

}

System.err.println("%s: ~ without > in ascii85 section\n");

System.exit(1);

case '\n':

case '\r':

case '\t':

case ' ':

case '\0':

case '\f':

case '\b':

case 0177:

break;

}

i++;

}

}

private void putchar(int l) throws IOException {

//System.out.write(l);

fos.write(l);

}

}

Ich wäre sehr dankbar, wenn mir da jemand bei der Problembehebung helfen könnte!

Gruß Ducky