All IDAutomation Barcode Font files --except PCL (soft fonts)--are Vector fonts.
Vector Fonts (also known as Outline fonts) use Bézier curves. This makes the character scalable to any size. For example, the IDAutomationHC39M.ttf font can be sized from an application by modifying the point size/font size.
Although it is possible to select the barcode font at any point size, certain printers require certain sizes--it is dependent on the barcode symbology.
For example, when printed on laser printers, Code 39 fonts must be set to certain sizes including 4, 8, 12, 16, 20, 24, 28, 32, 36...
However, on thermal printers, Code 39 fonts can be printed at 6, 12, 18, 24, 30, 36...
Bitmap Fonts consists of pixels representing the image of each glyph in each face and size. For example, the IDAutomation PCL (printer fonts) font files for Code 39 includes font files for each size:
Posted 10.9 year(s) ago