Different ways to define color inside a PDF (RGB, CMYK, etc)
colorspace
The PDF file I have been looking at today has an issue which is more of a Java ‘feature‘ than a PDF bug but... Colour can be a complicated topic in PDF because not only can you have lots of different types of color in PDF (Lab, RGB,... Not sure if this is strictly a bug but it is certainly an ‘interesting’ way to use the PDF spec and unduly complex. When... I introduced Color in a previous article and there are lots of different types of Colorspaces to suit all occasions. One of the more... This article is all about color in PDF images, and exactly what the depth of an image means in practice. All PDF images will... 
