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Questions - cmyk

Find CMYK coverage in PDF with Java

I'm working on a tool where the user could upload a PDF with an image and then receive information about area and CMYK colors from the image. Initially I thought that RGB values would be enough, so I ...
test-img

kozeljko

java

pdf

pdfbox

color-space

cmyk

Votes: 0

Answers: 0

How to force Ghostscript to convert PDF to monochrome bitmap using CMYK colors instead of RGB?

I have a PDF file containing black text specified with CMYK color of 0,0,0,100. When I convert this to "bmpmono" using ghostscript, it interprets this as not 100% black. I discovered that ...
test-img

KyleL

rgb

ghostscript

cmyk

Votes: 0

Answers: 1

Latest Answer

GS will do a conversion from CMYK to Gray through the defined ICC profiles. There are darker CMYK values that exist (for GS's defined CMYK source profile -- and for most) compared to a CMYK value of ...
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user3798006

TCPDF - CMYK images in PDF appear "mainly black" in Illustrator

I have a problem when opening with Illustrator a PDF generated with TCPDF that embeds a CMYK image (jpg). The PDF looks just fine when opening it on a web browser or with Acrobat Reader. But when tryi...
test-img

Crohm

php

jpeg

tcpdf

adobe-illustrator

cmyk

Votes: 0

Answers: 0

ghostscript converts my pdf to cmyk but not really

I run this command and the conversion is successful gs \ ...
test-img

Adrian Lopez

pdf

ghostscript

cmyk

srgb

Votes: 0

Answers: 1

Latest Answer

Imagemagick identify is basically lying. It has no idea about individual objects in the PDF file. PDF can easily contain both CMYK and RGB objects, not to mention spot color plates etc., mixed all tog...
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Martin Malec

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