Saving a BufferedImage as part of another file

Hi mates !
I have a program in which the documents it produces are based on images .
I want to save the documents in one complete file containing both the image
and the other data.
the problem is less to store the data then reading it .
at first i thought that i will simply create a new temp picture file
with the original image extention copy the image part of the document to him
and then read the image easily from him.
but in cases where the image file is 50 megas or more it will be slow
and besides its simply not elegant.
then i thought about writing the entire image into a byte array
using ImageIO.write(outputStream) ;
saving the array inside my file and then reading it .
but for some reason a byte array can only be at int size .
what about long cases ?!
so my current idea is to extend the class ByteArrayOutputStream
and make it recieve a list of byte arrays.
and then extend the class ByteArrayInputStream so it will know how to
read that list.
then the ImageIO.read(inputStream) could be called.
but thats very abit complexed , so before i start rearraging the world
of java i want to know if someone here has a nicer solution .
thank you.

to my knowledge, none of the images use a long array. If you are using something that is for some reason, make a method to split up the long array into bytes, and when reading them back in, put the longs back together. The bitwise operators should let you do this without much problem.

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renatocremonese wrote:
I want to use it for backing up my Mac.
It's good for that . . .
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But not for that.
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Hi Java Gurus,
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Hi ,
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Transfer file in application server to another file

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Hi
U have to use unix command for same
i have seen some function module just check it out
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Please Mark This As Answer if it solved your issue
Please Vote This As Helpful if it helps to solve your issue
Visakh
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Initialize a global with a global from another file

hi,
I know that initialization order for global variables across compilation units is not defined, but if I have
file1.cpp
int x0 = 33, x1 = 55;
extern int y0, y1;
static int a[] = { y0, y1 };
void print_a( void ) { printf( "\na[0] = %d\na[1] = %d", a[0], a[1] ); }
extern void print_b( void );
main()
print_a();
print_b();
and file2.cpp
int y0 = 77, y1 = 99;
extern int x0, x1;
static int b[] = { x0, x1 };
void print_b( void ) { printf( "\nb[0] = %d\nb[1] = %d", b[0], b[1] ); }
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@ Igor Tandetnik: Yes, I chose an example with circular dependency just to show that it was not the situation that, by luck, the "other" file was was initialized first. Yes, I would like a solution for such circular dependency, but I hope that I will
find, at least, a solution for the case when such circular dependency does not exist. What I want to achieve? As the title says, I want a solution to be able to initialize globals with globals from another file, a solution as general and fault proof and convenient
as possible.
@ Wyck: I thought about something like that, problem is that in case of large arrays there is a lot to type. Another solution (it saves a little typing) I saw was something like
// common_header.h
#define LIST_A y0, y1
#define LIST_B x0, x1
// file1.cpp
#include "common_header.h"
Number x0(33), x1(55);
static Number a[] = { LIST_A }; // just to give correct size
// file2.cpp
#include "common_header.h"
Number y0(77), y1(99);
static Number b[] = { LIST_B }; // just to give correct size
// init.cpp
extern Number LIST_A, LIST_B;
void init()
{ Number a_[] = { LIST_A }; Number b_[] = { LIST_B }; // stack usage
for( int i = 0; i <_countof( a_ ); i++ ) a[ i ] = a_[ i ];
for( int i = 0; i <_countof( b_ ); i++ ) b[ i ] = b_[ i ];
This still has the problem of using much stack in case of large arrays and if array members are more complex structures (might also contain string literals), there is a bit more difficult.
Bellow is a solution I came up with using macros but which I don't really like because is a bit cumbersome. I'm looking for something better/more elegant/safer or simply I want to see what other solutions people see here.
// file1.cpp -------------------------------------------
#define MEMBER_LIST( Usage ) \
Usage( x1 ) \
Usage( x2 )
#define IMPORT( ext_member ) extern Number ext_member;
#define COUNT( member ) 1 +
#define LOAD( member_val ) a[ i++ ] = member_val;
Number y1 = 77, y2 = 99;
MEMBER_LIST( IMPORT )
static Number a[ MEMBER_LIST( COUNT ) 0 ];
static void InitGlobals_a( void ) { uint8 i = 0; MEMBER_LIST( LOAD ) }
extern void InitGlobals_b( void );
int _tmain(int argc, _TCHAR* argv[])
{ InitGlobals_a(); InitGlobals_b();
return 0;
// file2.cpp -------------------------------------------
#define MEMBER_LIST( Usage ) \
Usage( y1 ) \
Usage( y2 )
#define IMPORT( ext_member ) extern Number ext_member;
#define COUNT( member ) 1 +
#define LOAD( member_val ) b[ i++ ] = member_val;
Number x1 = 33, x2 = 55;
MEMBER_LIST( IMPORT )
static Number b[ MEMBER_LIST( COUNT ) 0 ];
void InitGlobals_b( void ) { uint8 i = 0; MEMBER_LIST( LOAD ) }
Of course, something like
#define MEMBER_LIST( Usage ) Usage( x1 ) Usage( x2 )
could be further simplified using other macros so you can simple use
#define MEMBER_LIST x1, x2
but those additional macros will add up to the complexity.

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Regards Björn

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The external links continue to work fine, though.
This doesn't make any sense to me at all ... but I'm hoping one of you kind folk can help?

I opened my file and instead of merging files I used insert pages and inserted all of the pages from the file I wanted. Then I saved the file with
the same name. Attached is a rough draft of some helpful hints I put together. This has been a very painful process for us to discover how to handle
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Instead of merging files you inset pages. In Acrobat select Document - Insert pages -From file. You can select all pages or some and where you want them inserted. After you do that save the file not save as and all of your links should work. If you combine files or merge files all of the links will break.
 GillHarley <[email protected]>
05/07/2009 09:54 AM To
 "Christine Salmon" <[email protected]>
cc
 Please respond to
[email protected] Subject
 dobe.com Acrobat Windows My links don't work when I combine another file with the pdf
 29k833-1Kp0-8ahk
I think it's something to do with naming, but I can't figure out what. This is because it asks to be saved and gives me a Binder no as the name. If I
press Cancel at that point, I keep the file and the links. But as soon as I need to close it, it asks me again 'Do you want to save this file' and if
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Could be.
This may be hard to believe, but I think my problem was that the built-in WiFi adapter on my HP desktop had
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The AVCHD file structure is shown in:
http://commons.wikimedia.org/wiki/File:AVCHD_actual_file_structure.jpg
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Geoff

Saving a BufferedImage as part of another file

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