Calculating the Point Size of a FontID: Q74300
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The generic formula listed below can be used to compute the point size of a font in the MM_TEXT mapping mode. Any other mapping mode will require a different equation, because the Height will be in a different unit.
(Height - Internal Leading) * 72
Point Size = ---------------------------------
LOGPIXELSY
Height - Cell height obtained from the TEXTMETRIC structure.
Internal Leading - Internal leading obtained from TEXTMETRIC structure.
72 - One point is 1/72 of an inch.
LOGPIXELSY - Number of pixels contained in a logical inch on the
device. This value can be obtained by calling the
GetDeviceCaps() function and specifying the LOGPIXELSY
index.
Additional query words: 3.00 3.10 3.50 4.00 win16sdk
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Last Reviewed: March 4, 1999