Large file size, rich RGB and CMYK color data, transparency, compression without loss of detail.

Method to convert an image to a CMYK color space and examine the intensities of one of the CMYK color channels.

Set in the library on color gamut is very wide, more than the performance of the RGB color gamut, let alone CMYK color space, so, a large color department is to use CMYK printing ink can't present.