Hi,
If I have a tiny crop of a part of an image, how would I find out if
that crop is present in the larger image, and if so, the (x,y)
coordinates in the larger image, where the crop is to be found?
I've tried searching this list at
http://marc.theaimsgroup.com/?l=imagemagick-user but I don't even know
what keywords to look for, so I didn't find anything...
Any help appreciated!
Background: I want to write an app to automate mouse operations in a
Windows GUI.
I plan to use the perl module Win32::Screenshot that returns an
Image::Magick perl object of the desktop and then look for e.g. "the OK
button", and then send a mouse click to
$screenshot->locationOf($okButtonImage) + (10,10)
That $okButtonImage can be assumed to be a crop of a previous
Win32::Screenshot object from the same desktop, so colors etc. will be
the same.
(I'm hoping for the existance of a method like locationOf($otherImage),
or to be able to write a similar perl sub or C function)
And because I don't know exactly when the $okButtonImage will appear in
the $screenshot, I'll be doing this on a polling basis, so this
locationOf() method should ideally be very fast, allowing me to poll
often! :D
Hope this is possible!
Peter
--
Peter Valdemar Mørch
http://www.morch.com
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