How reverse colors in pdf

I have a pdf with white text on a dark background. So that it doesn't use up all of our toner, I would like to reverse the colors to black text on white background. Can that be done in Acrobat?
If not, I have the full Design Premium 5.5 suite but don't know much about the programs other than Acrobat (and don't understand it very well).
I would deeply appreciate simple, clear directions.
Not sure which forum to submit this question to. Apologies if this is not the right one.
Thank you.

Try this, my screen shot is from AA9 Pro.
From the Print Dialog, choose Advanced to open the dialog shown.
(I had selected a Postscript printer; testing with a generic ink jet does not allow such.)
Choose Comp Gray and select Negative as shown.

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Audrey

Hey,
Please let me know what is your Reader version.
Open Reader and go to Edit->Preferences->Accessibility and deselect 'Replace Document Colors' option.
If this does not help, then try repairing Adobe Reader and then check.
Let me know.
Regards,
Anubha

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How can I convert Pdf from RGB to CMYK, keeping font color 100% K while working in Illustrator?
When I try to open the document in Illustrator and I convert to CMYK the black font converts to rich black, but to set up for Offset printintg I need the text to be only in Black (100%K).
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Thanks

I have tried that way, but the downside is that the fonts are set in gray not in a 100%K, also I have to deal with other fonts that are composites and meant to stay Full Color. I could select text by text and convert to gray but, its a 64 page document and I wouldn't want to make a expensive mistake.

How to get the reverse color of a color

how to get the reverse color of a color
thanks

int red = Math.abs(255 - oldColor.getRed());
int green = Math.abs(255 - oldColor.getGreen());
int blue = Math.abs(255 - oldColor.getBlue());
java.awt.Color inverseColor = new java.awt.Color(red, green, blue);
Where oldColor is a java.awt.Color object.
Hope this is want u need !!!

How to scan both sides of document in color to pdf with the dr-m160?

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Hi healthynhappy1.
To scan a 2-sided document, you will need to change the scanner settings in the software.
If you are using Capture On Touch:
You will need to turn off the "Scan in Full Auto" option.
Next, you will open [Scanner Settings] and change the "Scanning Side" to Duplex.
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If you are using CapturePerfect:
Click [Scan].
Click [Scanner Settings].
Change the [Scan Side] to "Duplex".
Verify that [Color Mode] is set for "Color" and then save the file as "PDF".
I hope that this information is helpful to you. Should you need further assistance, please contact us at 1-800-OK-CANON (1-800-652-2666). Have a great day!
Did this answer your question? Please click the Accept as Solution button so that others may find the answer as well.

How to create a pdf file from multiple images ?

Dear All,
I want to create a SINGLE page pdf file from two or more page size images that are combined to make a single page pdf. Again, this question is on pdfs that are made out of several, atleast two color images and a black-and-white mask for one of them.
I have such pdf files from an unknown source (the producer is edited out) whereby there are three tiff images, obtained using the well known pdfimages extractor.
When I want to make a pdf out of tiff or png or other image formats, I right click and tell Adobe Acrobat to make a pdf.
However, I dont know how I can give a command to select say, three tif images and specify which is the mask for which and then join them in a way that I get the pdf from the composite of the two color images and a mask for one of them.
Please help me out.
I am a little familiar with the pdf structure skeleton and when necessary, fixed xref tables in one of my favorite editors. A few years ago, I also wrote a bunch of javascripts to make some annotations and needed some automation and used some itext type libraries. However, I need your help in this problem as I am now rusty and forgot some of what I studied to solve my earlier problems. This is a new problem for me. Gentle hints from you would be very nice to help me in this problem. Please specify if necessary what manual and pages to read. in the pdfspec.
Best Regards
Disabled Veteran [physically handicapped]

Hello Again.
On Fri, May 11, 2012 at 12:20 PM, lrosenth <[email protected]> wrote:
>
> Re: How to create a pdf file from multiple images ?
>
> created by lrosenth in PDF Language and Specifications - View the full
> discussion
> ________________________________
>
> No clue who Irving is…
>
I was hoping to have your first name so its easy for me to address you.
> I have no clue what OS platform, programming language, etc. you use so
> can’t really narrow things down.
I would gladly mention that I am working on windows platform, preferably XP.
I can also work on linux for free products that come with it.
> Also, as this is an Adobe forum, we only
> recommend Adobe products – so there may be other options that even my list
> wouldn’t include.
But adding other products, for the help of an adobe products user,
even if it outside adobe, shall add greater prestige to your company
and give impression of user-centeredness.
> If you read ISO 32000-1:2008 (aka the PDF standard), you will find the
> information about Images and Image Masks well described. I didn’t think I
> needed to repeat any of that information.
Well, just add the few pdf stanzas since you are proficient on it and
I am presently a little rusty as I mentioned. Just asking a little
extra yard, not even to go an extra mile.
> And, if you read that same document, you will see that there is NO SUCH
> THING as a “text only PDF”. All PDF documents are structured binary files.
Well, ascii format or uncompressed format that is human readable. I
know its a binary file, but human readable ascii version of it.
I hope you can give me some stanza and various other approaches
possible so I can select or combine things for myself. I see only a
miniscule number of posts claiming to have written masks in this forum
and then with no details.
Regards
Roger
Message was edited by: dying veteran
because the adobe posting system went crazy and truncated all except the first line ... dunno why

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A PDF does not contain any spreadsheet, word processing or page layout file format information.
No "format", columns, rows, etc.
"When you create a PDF, you’re painting a picture. Your paintbrush is the is the result of a combination of the software used to create the source document and the software you’ve chosen to convert your source document into the universal electronic document format we all know as PDF.
Like the painter’s brushstrokes, each character, each line and each image is fundamentally independent, but they can interact with each other to produce particular visual effects. On the PDF page, objects are connected by a coordinate system and not a lot else. There’s no logical, semantic connection between the letters comprising a word; characters simply happen at a series of locations on the rendered page.
As originally designed, PDF is fundamentally a system for painting objects onto a page, plus a whole lot of other features we aren’t talking about right now! There’s no innate concept of words, sentences, paragraphs, columns, headings, images, tables, lists, footnotes – any of the semantic structures that distinguish a “document” from a meaningless heap of letters, shapes and colors. PDF is fundamentally about how the document appears on the page, not how it looks when abstracted from the page."
Duff Johnson, Each PDF Page Is a Painting
http://talkingpdf.org/each-pdf-page-is-a-painting/
Be well...

Colors in pdf files changed when I open those files in the iPad.

I usually use iPad and Goodreader for reading journal articles.
There is one big problem reading the papers using iPad because colors in pdf files looks abnormal.
When I use my labtop and desktop, I can see whole colors in the pdf files, so I can see what is exactly happening in the images in pdf files.
However, I cannot catch any details from those images in pdf files when I use my iPad.
For example, some colors in the pdf files disappeared and whole images in the pdf files looks too dark.
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Many people said about this problem for a long time (maybe three years ago?) but it has not been solved yet.
Can anyone suggest me how to solve this problem?
If this issue cannot be solved, I think I do not have any reasons for using my iPad.

You've just uncovered something I don't really know. I had naively thought the Central Database and Cache are one and the same (and that the [ Purge Cache ] button would clear saved settings), but now I'm not so sure.
I tested by changing the parameters of a raw file, and I didn't see any files inside the Cache folder change their modification dates, which is not at all what I expected.
I don't really want to press the [ Purge Cache ] button to check it here, because I want to retain my own settings. You could try it and see if it clears the white balance setting on a particular file.
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using CS3...
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{Edit: Too late, Philip. Already cursed.}

Picture prints negative/reverse colors from preview

Hi,
When i print a picture with preview, it prints (Epson AL-C1100) in negative/reverse colors. With all other program's i have no problems. I updated the printer software and have the latest update's from Apple. I read other post about the colormanagement in Preview but the hints there (do not use colorsync but the printers default) do not help. Can someone give me a hint?

Well, I construed "preview" to stand for Apple's Preview Application. Not my bad this time, but yours.
Next time, please provide a lot more details when you post:
BOILERPLATE TEXT:
Note that this is boilerplate text.
If you give complete and detailed information about your setup and the issue at hand,
such as your platform (Mac or Win),
exact versions of your OS, of Photoshop (not just "CS6", but something like CS6v.13.0.6) and of Bridge,
your settings in Photoshop > Preference > Performance
the type of file you were working on,
machine specs, such as total installed RAM, scratch file HDs, total available HD space, video card specs, including total VRAM installed,
what troubleshooting steps you have taken so far,
what error message(s) you receive,
if having issues opening raw files also the exact camera make and model that generated them,
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etc.,
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http://forums.adobe.com/thread/419981?tstart=0
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Please guide me how PMS Colors can be done in DUOTONE?

Hello,
Good Day
I have job having 7 Colors and I have been asked to done it in 5 Colors.
(1) Pantone 485CVC (RED)
(2) Pantone 356CVC (GREEN)
(3) Pantone 116CVC (YELLOW)
(4) Pantone 301CV (D-BLUE)
(5) Pantone 279C (L-BLUE)
(6) Pantone 732C (D-BROWN)
(7) Pantone 730C (L-BROWN)
I can use Red, Green and Yellow on separate screens where as remaining
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Please guide me how I can finish the job in five colors as my boss advised
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I have been working in filled of screen print for many years but unaware
about duotone in Illustrator.
I would sincerely grateful for your reply and Guidance.
With Best Regards
Ahmed Ali
[email protected]

Since this is (evidently) being prepared for screen printing, your options will be affected by answers to these questions:
Are halftone dots going to be allowed? Screen printing setups (especially in common T-shirt shops) often require solids only.
If the screen printing setup can accommodate halftoning, at what halftone ruling? When a particular screen printing setup is limited to very course (ugly) halftone ruling--commonly 30 lpi or less--one often opts for textures or grain to achieve the effect of shading.
Are the inks going to be opaque? Opaque inks are most common, but limit the possible results when overlapped. Translucent inks are only suitable for white or very light substrate colors. If the screen setup is sophisticated enough to support decent halftone ruling, and will be printed on a white substrate, then the colors you have listed could be accomplished simply building the file as ordinary four-color process, instead of with 5 colors. (None of the colors you've listed—red, green, yellow, two blues, two browns—suggest requiring a 5th spot ink.)
Illustrator does not support multi-ink swatches. You can use multiple fills and/or strokes set to overprint to replicate it in output. But Illustrator cannot properly display overprinting of opaque inks in its interface. Overprint preview always assumes the translucent inks of offset printing.
All the above is why it is common to build screen printing projects in Photoshop as multichannel documents, saved as DCS 2 EPS, or printed to Adobe PDF as separations. It's more intuitive because you have a Channel (not to be confused with Layers) for each ink, and the program is able to properly preview the printed results because you can simulate opacity, including the color of the substrate.
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...my boss advised me to do it in duotone...
I suspect your boss doesn't know what a duotone is. Duotone (and tritone, quadtone) print multiple separations of the same grayscale channel. Duotone in Photoshop is the modern analog of the process darkroom technique of making two separation plates from the same image, using different screen angles and exposures. In Photoshop, you can do this for up to four inks, optionally applying different grayscale curves to each ink, not different channels (different artwork) to each ink. Traditionally, this was done to impart a bit of "color interest" to black-and-white photos being printed in a 2-ink job.
Your boss is saying "duotone," but he's thinking of the functionality of a multichannel file using spot inks. Even Photoshop's quadtone would not give you five inks.
JET

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How reverse colors in pdf

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