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Psychtoolbox/PsychRects/ClipRect.m

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if nargin~=2

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        error('Usage:  rect=ClipRect(a,b)');

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end

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if size(a,2)~=4 | size(b,2)~=4

 

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if size(a,2)~=4 || size(b,2)~=4

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        error('Wrong size rect argument. Usage:  rect=ClipRect(a,b)');

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end

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newRect=a;

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newRect(RectBottom)=min(a(RectBottom),b(RectBottom));

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newRect(RectLeft)=max(a(RectLeft),b(RectLeft));

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newRect(RectRight)=min(a(RectRight),b(RectRight));

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if RectWidth(newRect)<0 | RectHeight(newRect)<0

 

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if RectWidth(newRect)<0 || RectHeight(newRect)<0

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        newRect=[0 0 0 0];

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end

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