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But I couldn't really find anything to help me..

Is there a list of methods/constructors/etc for IppiSize somewhere? I'm trying to figure out a way to supply the IppiSize parameters to this function:

http://software.intel.com/sites/products/documentation/hpc/ipp/ippi/ippi_ch5/functn_AlphaComp.html

For that matter, is it okay for me to typecast to Ipp32u? Thanks. I am not very experienced with things like this so I hope this question isn't too bad..

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Youcan find the ippiSize definition through the index.htm =>Volume 2 Image and Video Processing =>

Intel Integrated Performance Primitives Concepts=>Structures and Enumerators

The structure IppiSize for storing the size of a rectangle is defined as`typedef struct { int width; int height; } IppiSize;`

where width and height denote the dimensions of the rectangle in the x- and y-directions, respectively.

The structure IppiRect for storing the geometric position and size of a rectangle is defined as`typedef struct { int x; int y; int width; int height; } IppiRect;`

where x, y denote the coordinates of the top left corner of the rectangle that has dimensions width in the x-direction by height in the y-direction.

the definition of structure used by IPP can be found in ippdefs.h file also. You can use it as the IPP example in**Source Code Examples from Intel IPP book**

Hope it helps

Regards,

Ying H.

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