Type 1 and Type 3 fonts are outline fonts (vector fonts), which are using PostScript and cubic Bezier curves. Stroke fonts use a series of specified lines and additional information to define the profile, or size and shape of the line in a specific face, which together describe the appearance of the glyph.Īdobe Type 1 ( PFB file extension) and Type 3 fonts developed by Adobe for professional digital typesetting and desktop publishing. Outline fonts (vector fonts) use Bézier curves, drawing instructions and mathematical formulas to describe each glyph, which make the character outlines scalable to any size. Bitmap fonts are faster and easier to use in computer code, but inflexible, and do require separate font for each size. Font and typeface file extension list File extensions used for font and typeface file formats.įont file type can be defined as a set of characters, symbols or glyphs.įonts can be divided in three basic types: bitmap fonts, outline fonts and stroke fonts.īitmap fonts (raster fonts) consist of a series of dots or pixels representing the image of each glyph in each face and size.
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