Writing a program for Windows

You need a specialist in writing programs for Windows. You need to write a program for Windows to work with graphic files. You need to upload a color photo to the program and it will count the number of pixels (and %) are interested in colors - red green, blue, black. And accordingly, give these digital values with the possibility of entering in excel or copying through a buffer.
Ideally, the possibility of batch counting photos, customizable colors.