Smoothing - Overview

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The Smoothing window contains information which describes the preferred rasterization techniques for the typeface when it is rendered on grayscale-capable devices. It also has some use for monochrome devices, which may use the table to turn off hinting at very large or small sizes, to improve performance.

 

If there are no ranges defined in a typeface, the rasterizer may apply default rules to decide how to render the glyphs on grayscale devices. The rasterizer will  use the ClearType related values, if ClearType is enabled.

 

Note: Grayscale rendering and smoothing was invented for screen output and will not be used by printer drivers.

 

At very small sizes, the best appearance on grayscale devices can usually be achieved by rendering the glyphs in grayscale without gridfitting. At intermediate sizes, gridfitting (also known as hinting) and monochrome rendering will usually produce the best appearance. At large sizes, the combination of gridfitting and grayscale rendering will typically produce the best appearance.

 

To add a new range, press the Insert button. To remove a range, select it and press the Delete button. To remove all ranges, right-click the list view and select Delete All.