1
vote
0answers
20 views

RBG color variations from Publisher to Powerpoint

I created some graphics in publisher to use in a powerpoint presentation, however, when I place the graphics into powerpoint the colors (same RBG color as used in publisher) don't match. It becomes ...
1
vote
1answer
26 views

Retrieve colors from PDF

I have PDF files for designs and I'm wondering if there is any way I can extract the colors (as RGBA, RGB or HEX). The best would be to annotate the PDF with the colors. A command line tools would ...
0
votes
0answers
44 views

Colour change when printing when overlaying transparent PNGs in Publisher

I have a a Publisher file which has a block of solid colour as a background. Over the top of that, I've overlaid a PNG with a completely transparent background. This looks as expected when on screen, ...
2
votes
1answer
137 views

ImageMagick failed to convert colors in PDF

I have got a PDF document containing a red font which I want to replace by a black font. I tried the following command according to this answer: convert -density 300 doc.pdf -fill black -opaque ...
0
votes
0answers
90 views

Tab color in Adobe Acrobat Reader

I am using Adobe Reader version 9.5.5 on Ubuntu 12.04 LTS. This reader makes possible view in multitabs and also copy text from PDF files is possible. When I open two files inactive tabs colour ...
4
votes
1answer
673 views

Thumbnail generation with imagemagick doesn't render the correct colors

Generating thumbnails of PDFs with imagemagick sometimes renders incorrect colors. We're using an old version of imagemagick (6.5.7-8, that's the version installed on the heroku servers). Here is the ...
9
votes
1answer
11k views

How can you invert the colors of a PDF?

I need to invert all the colors of a PDF document (background, text, graphics, and images). I want it persistent in the file so the inverted viewing options, that some viewers offer, won't help. ...
7
votes
4answers
5k views

Count BW / color pages in PDF

I have a 100 page PDF document that I need to print. My print shop needs to be told which pages contain color. I don't want to scan manually. Is there a program that detects pages with color and can ...
0
votes
2answers
1k views

Adjust colours in a PDF

I'd like to make colour adjustments to an existing PDF file, the equivalent of Photoshop's adjustments, and save a new version with the altered colours. I'm after more than a colourspace conversion. ...
5
votes
4answers
9k views

How can I print out a PDF substituting pixels for blue pixels?

I have no more black ink in my Canon MP560 printer. All other colors print fine. I need to print out an online train ticket. When I print it out, I can't see any of the page that is in black (most ...
15
votes
10answers
103k views

Adjust PDF Contrast with Adobe Reader/Acrobat?

We get PDF's from our professor to read for homework but they're often scanned documents, is there a way to adjust the contrast of the text to make it easier to read? Edit: I've got Photoshop but is ...
0
votes
2answers
133 views

default font color, background, etc

Is there a way to read PDFs in a font and font color of your choosing? Is there a way to view all your websites in a web background of your choosing? I remember in Windows Opera there was a way to ...
5
votes
6answers
4k views

How to change the background color in SumatraPDF reader?

How to change the background color. I would like to change it to something easier to read, is there an option to change this anywhere?