Get channel information

Hello

I am trying to retrieve the channel information of a file .psd in binary mode. I am able to extract the number of channels and their names, but not their types (I mean if it is a spot color channel or a mask). The documentation I've found is from 1997 and some things are not the same with the newer versions. Do you know how?

Thank you very much

Anna

I was wrong about information that is not not bulk of 1077 image resource.

It is not documented (in the documents, I watched), how to read correctly.

With much help from others I thought about it.

The data are almost the same in block 1007, but not exactly.

The differences are:

(1) additional 4 bytes a beginning, that contain the version number (which seems to be 1).

(2) the table of structures DisplayInfo loses the 1 byte of padding at the end of each structure. (now, that's 13 bytes per structure instead of 14)

struct DisplayInfo

{

color space of Int16;

Int16 color [4];

opacity of Int16; 0.100

tank mode; Alpha = 0, inverted alpha = 1, = 2 place

};

The alpha information is the last byte of the DisplayInfo structures.

Tags: Photoshop

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