character Generation 1 Type face The overall design style for a set ( family characters is called a type face Few common faces are courier, Helvetica, Newyork palatino and zapf chancery 2 Font set of cast melal character forms in a particularsize and format such as 10- point courier italic or 12 point palantino Bold. Nowadays font and type face are used interchangably . Type face and fonts can be divided into serif and sans serif. Serif Sans serif has small lines or accents at the ends do hot have accents of main character star strokes Individual characters blocks of text more readable in longer are easier to recognize more legible Quickly recognizable good for labelling and for short headings.
CO - Date 1 / Two different representation for storing computer fonts using rectangular grid pattern then the set of characters are called as bitmap ( bitmapped font) I I O I 1 1 1 I I I I 1 1 0 2) Using straight line and curved sections then the set of characters are called outline font privite privallet
Bit Map font 1) simplest to define and display 2) a frame buffer position character grid only needs to be map to 3) each Bitmap variation must be stored font fonts requires more space in because a cache. Outline Font 1) It requires less storage since each variation does not require a distinct font cache. 2) We can produce bold face italic or different sizes by manipulating the curved definitions for the character outline. 3) It takes more time to process the outline fonts with the following function A character string is displayed in PHIGS text (we point, string) we point (n, y) eg: text (we point , "BCA")