Text
by Kenny Tay
1. Computers and Text -Bitmap font and Vector font -Character sets -Extended Character Set (ISO Latin-1) -Unicode
2. Bitmap vs Vector -Fonts can either be stored as bitmapped or vector -Bitmaps font consist of a matrix of dots or pixels representing the image. -Vector fonts drawing use instructions and mathematical formulae to describe each glyph. -Can draw any size by scaling the vector drawing primitives mathematically
3. Rasterization -Font rasterization is the process of converting text from a vector description to a raster or bitmap description -Jaggies are the jagged edges you see when a bitmapped image is resized
4. Anti-aliasing -Antialiasing blend the font into the background color. It refers to the smoothing of jagged edges of drawn graphics and text to improve their appearance or readability
5. Font Mapping -Specifying which font to be substitution is called font mapping.
6. Font Editing and Design Tools -FontLab, Ltd. -Creating attractive texts -Fontographer
7. Hypertext vs Hypermedia 1)Hypertext 2)Hypermedia -A hypertext or hypermedia system enables the user to navigate through text in a nonlinear way.
7.1. 1)Hypertext -Hypertext is a text which contains links to other texts. 2)Hypermedia -Hypermedia is not constrained to be text-based.
8. Hypermedia Structure -Navigating hypermedia structures - Hypermedia structures -Links -Nodes -Anchors -Hypertext systems are used for:
9. Importance of Text in a Multimedia Presentation -Text is obviously the simplest of data types and requires the least amount of storage. -Text in the form of symbols, words, sentences, and paragraphs. -Text is a vital element of multimedia menus, navigation systems, and content.
10. Understanding Fonts and Typefaces -A typeface is a family of graphic characters, often with many type sizes and styles. -A font is a collection of characters of a single size and style belonging to a particular typeface family. -The study of fonts and typefaces includes the following: 1)Font styles 2)Font terminology 3)Cases -Serif versus sans serif
10.1. 1)Font styles -Boldface -Italic -Underlining -Outlining 2)Font terminology -Baseline -Cap height -x-height -Ascenders/descenders -Kerning -Tracking 3)Cases -A capitalized letter is referred to as uppercase, while a small letter is referred to as lowercase.
10.2. Serif -A serif is the little decoration at the end of a letter stroke. San Serif -Sans serif fonts do not have decoration at the end of a letter stroke.
11. Using Text Elements in a Multimedia Presentation -The text elements used in multimedia are: -Menus for navigation -Interactive buttons -Symbols and icons -Fields for reading -HTML documents -Some of the commonly used tags are: -Choosing text fonts