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Pixel Perfect Align


Shows exact coordinates and alignment grid, to the physical pixel on your WoW window


Can be used for alignment or measurement of your UI, or before pretty screenshot or just to enjoy the sight of exactly 1 pixel grid/crosses rendered.


The optional cursor coordinates are shown in both the actual pixel coordinates and the UIParent coordinate spaces (and raw worldframe coordinates in 1.5+).

 Optional Cursor Coordinates in 3 coord systems


If you click while in this mode, you can start a measuring box and showing the corners coordinate and distance:

Measuring box


The measurements you made are now saved in a window once you click, so you can copy paste to save them (see screenshot images for example). 


Mouse over and click the minimap button or use /ppa to see commands or /ppa conf for config options, /ppa toggle to toggle grid on/off, /ppa info for display info ...

Minimap button and help


If you find a case where the crosses aren't showing evenly or not exactly 1 pixel; please take a screen shot and comment about your setup, using /ppa bug




Zoomed view of the default grid, near the center of the screen:

 zoomed to show each pixel




MoLib can be used, like this addon, to draw on screen pixel perfect lines of exactly 1 pixel width/height or or UI elements like Blizzard textures without glitches when moved/placed.