Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
Capturing Screen in High Resolution in OS X
There are many times when we want a high resolution clear screenshot that can be included in a document. Even if your monitor is big and you stretch your window too far, it wouldn’t make the menus, buttons, and text bigger. However, it is feasible to resize the window to get a better screenshot.
Now the thing is, you want high clarity picture with many pixels. Your window looks good with 1000 x 800 pixels, but if you enlarge it, the extra room is filled with just blank space if you try stretching it to… suppose 1600 x 1050.
Now if you take a screenshot of 1000 x 800 pixels and you use any raster graphics program, its text gets jaggy and scaled, and so do the GUI elements. This is a time consuming process and you have to change preferences and fonts to increase the text size. And if you do it, the text will become out of scale.
To handle all these problems, you can install Xcode in your system.
Open Quartz Debug and select ‘UI Resolution’ from Window menu. Now slide up the slider to about 1.25. And now when you start the program for the screenshot, it comes much bigger. You will see that the fonts and other elements are scaling smoothly. Its look is much better than increasing the text size.
So when you make 1600 x 1050 Window size, you can get more space in your screenshot. This will give better printing. Things scale smoothly and ratio is not changed.
Do you like this tip for capturing high quality screenshots? Or do you have any other tips for high quality screen images? Let us know.
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