ColorAtScreenLoc Function

[Ray]

Mark - I believe this is everything I need.  Thanks!  I especially like 
you usage of the templateImage which keeps everything easy to work with 
and no cleanup needed.

Ray

On 1/21/2014 1:32 PM, Mark Schonewille wrote:
> Hi Ray,
>
> This function doesn't involve moving the mouse cursor.
>
> function screenlocColor
>    put the screenloc into myLoc
>    add 31 to item 1 of myLoc
>    add 31 to item 2 of myLoc
>    put (the screenLoc),myLoc into myRect
>    export snapshot from rectangle myRect to myPixels as PNG
>    set the text of the templateImage to myPixels
>    put char 1 to 4 of the imageData of the templateImage into myPixel
>    return charToNum(char 2 of myPixel), \
>      charToNum(char 3 of myPixel),charToNum(char 4 of myPixel)
>    reset the templateImage
> end screenlocColor
>
> -- 
> Best regards,
>
> Mark Schonewille
>
> Economy-x-Talk Consulting and Software Engineering
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> Use Color Converter to convert CMYK, RGB, RAL, XYZ, H.Lab and other 
> colour spaces. http://www.color-converter.com
>
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> On 1/21/2014 18:28, Ray wrote:
>> Anybody know of a function which returns the color of the screen at a
>> given location?  Simply pass it a point and get the color of that pixel,
>> kind of like a combination of the mouseColor function and the
>> controlAtScreenLoc function.  I'd be happy if it only worked for points
>> on Livecode stacks.  I've tried 'click at loc [myPoint] and then getting
>> the mouseColor but it doesn't work.
>
>
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