this is sort of a dumb question (have i asked it before?? i forget)
i want to drop a spot color over a black and white photo (imagine blue note covers) in a 2 color document. it seems like there is a few ways to achieve the look, but i want to make sure i'm doing it the best way.
option #1: drop a colored box over the photo and set the box to "overprint" - but that would of course, put the color over the black ink... but black always prints last, right? so this would not work?
option #2: set the photo to overprint over a regular colored box... except there is no "overprint" option for photos for me (it's greyed out for me.. is that normal or because of the way i saved the file?)
option #3: select the photo and set the fill to it to what you want... which changes the white part of the photo to the color and leaves the black black... this looks good on screen but a recent job i did that way i was not happy with. where the grayscale of the photo and the color butted up it looked sort of yucky... it did not appear to overlap.
option #4: use multiply mode for the top object over the bottom object, which i understood to be a no-no for prepress... or would saving it as an X1/a pdf just flatten it and make it fine?
option #5: tint the graphic in illustrator instead, and drop THAT in the document (but of course, then it's all the same questions in illustrator instead of indesign)