![]() The earliest bitmap fonts were only available in certain optimized sizes such as 8, 9, 10, 12, 14, 18, 24, 36, 48, 72, and 96 points (assuming a resolution of 96 DPI), with custom fonts often available in only one specific size, such as a headline font at only 72 points. ![]() The primary disadvantage of bitmap fonts is that the visual quality tends to be poor when scaled or otherwise transformed, compared to outline and stroke fonts, and providing many optimized and purpose-made sizes of the same font dramatically increases memory usage. Best for very low-quality or small-size displays where the font needs to be fine-tuned to display clearly.Unscaled bitmap fonts always give exactly the same output when displayed on the same specification display.For example, if a font has three sizes, and any combination of bold and italic, then there must be 12 complete sets of images. ![]() For each variant of the font, there is a complete set of glyph images, with each set containing an image for each character. Bitmap fonts are simply collections of raster images of glyphs. It is less commonly known as a raster font or a pixel font. However, the particular font-handling application can affect the spacing, particularly when justifying text.įont types Bitmap fonts An assortment of bitmap fonts from the first version of the Macintosh operating systemĪ bitmap font is one that stores each glyph as an array of pixels (that is, a bitmap). every character is plotted a constant distance from the previous character that it is next to, while drawing) or proportional (each character has its own width). ![]() Although all font types are still in use, most fonts used on computers today are outline fonts.įonts can be monospaced (i.e. Outline and stroke fonts can be resized in a single font by substituting different measurements for components of each glyph, but they are more complicated to render on screen or in print than bitmap fonts because they require additional computer code to render the bitmaps to display on screen and in print.
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