Hi
I'm looking for a program that measures a distance from point A to point B in pixels.(with crosshair cursor - not a pixel ruller aplication) I need something that doesnt require print-screen and paste to another window,but works "on" other open windows.
thanks
On the Mac, try XScope. You can set an arbitrary 'center' for your crosshairs and see the x and y offset but there's no Cartesian distance option if that's an important concern.
Whilst not a crosshair, Screen Calipers offers a "ThinMeasure" skin that is extremely minimal and might meet your requirements.
I like DotColor although it gives coordinates, not distances...
Zoom+ is a zoom tool able to show dimensions of the selection done with right-click in the zoom window (so, limited to a few pixels, but precise).
I used a number of other rulers (perhaps Pixel Ruler, tried Screen Caliper), but I don't recall precisely which... I found JR Screen Ruler too.
My favorite screen capture software, MWSnap, has a ruler built in, too.
[EDIT] I read the comment and re-read the message, and saw you don't want rulers... Oh well, I leave them for reference... :-)
Note that when you capture a variable rectangle, MWSnap shows a cross-hair with side zoom (precise positioning) and real-time dimensions of the selected rectangle, so it is very close of what you want (unless you need diagonal measures...).
The earlier version of Screen Calipers is free of charge, but you can't download it from their own site anymore I think. You can get it here though: Screen Calipers
It's just an exe-file, and no need for installing. I use it every time i need to measure something on my screen. You can measure both horizonal and vertical, and change the colors of the Caliper. Very nice free tool.
Grab works really well. It comes with every Mac.
Just go to "Capture" and then "Selection," and the little read box will tell the object's dimensions.