2.1 Different Text Attributes Font A set of printable or displayable text characters with its style and size specified Arial 16 point bold Arial 32 point normal Arial 48 point italic Three different Arial fonts

2.1 Different Text Attributes Typeface The type design for a set of fonts Example: Courier, Times New Roman Typeface family: a collection of typefaces of the same design but different display styles Example, The Arial typeface family Arial Black Arial Narrow Arial Unicode MS Arial

2.1 Different Text Attributes Typeface Font typefaces are either ‘serif’ or ‘sans serif’ A serif is a line or a curve, for decorative purpose, extending from the stroke end of a character A serif ‘Sans’ is a French word meaning without, so ‘sans serif’ means without serif

2.1 Different Text Attributes Typeface Serif creates a visual effect that there seems a line running along the base of the text This serves as a guide to users in viewing the screen display → increases readability ABCDEFGHIJK A virtual line

2.1 Different Text Attributes Font Style Boldface, italics and underline are common font styles Different font styles for Times New Roman

2.1 Different Text Attributes Font Size Font sizes are usually expressed in points One point is about 1/72 of an inch Truetype fonts remain smooth when enlarged Bitmapped fonts become ragged when enlarged

2.1 Different Text Attributes Font Size On web pages, font sizes are specified either on, an absolute scale of 1 to 7, or a relative scale of -1 to +7

2.1 Different Text Attributes Font Size On web pages, font sizes are specified either on, an absolute scale of 1 to 7, or a relative scale of -1 to +7

2.2 Text Layout Text Layout The arrangement of text in a document Alignment Text can be left aligned, right aligned, centre aligned or justified

2.2 Text Layout Line Spacing In general, the greater the line spacing, the more readable the text is A balance has to be made between readability and the amount of text displayed

2.2 Text Layout Line Spacing In general, the greater the line spacing, the more readable the text is. A balance has to be made between readability and the amount of text displayed

2.3 Different Text File Formats Plain Text File (TXT) A plain text file has the extension.txt Contains only ASCII characters with few or even no text formatting features Commonly handled with Windows Notepad Advantage Can be opened by most word processors → suitable for file exchange Disadvantage Font styles, font sizes and graphics cannot be preserved

2.3 Different Text File Formats Plain Text File (TXT) A word processing document The plain text file

2.3 Different Text File Formats Word Processing Document (DOC, ODT) Produced by a word processor Contains plain text and formatting code Software-specific formatting code → the need to exchange the document file format File extension Microsoft Word document file:.doc OpenOffice document file:.odt

2.3 Different Text File Formats Word Processing Document (DOC, ODT) Microsoft Word Document (DOC) OpenOffice document (ODT)

2.3 Different Text File Formats Rich Text Format (RTF) A file format designed for exchanging documents across different platforms Preserves text formatting features and graphics Standard file format in Windows WordPad Format compatible among common word processors

2.3 Different Text File Formats Portable Document Format (PDF) Developed by Adobe Systems A cross-platform file format for sharing documents Can be opened by software other than that used to create the file, namely Adobe Reader

2.3 Different Text File Formats Portable Document Format (PDF) Features Fonts, graphics and text layout are preserved across platforms Content can be magnified for visually impaired Support full text search

2.3 Different Text File Formats HTML Document A plain text file specifying the display properties of the text on a web page Can be created using Web authoring software Word processors Notepad To view the document, use browsers such as Internet Explorer Netscape Browser

2.3 Different Text File Formats HTML Document A web page displayed in a browser (left) and the corresponding HTML document in Notepad (right)

2.3 Different Text File Formats HTML Document A web page displayed in a browser (left) and the corresponding HTML document in Notepad (right)

2.4 Conversions of Text File Formats Format Conversions It is common to convert text file formats when we need to share documents

2.4 Conversions of Text File Formats Format Conversions Word processor File type Microsoft Word OpenOffice.org 2.0 Writer Plain Text File (TXT) Import Export Word Processing Document (DOC) Import Export Rich Text Format (RTF) Import Export Portable Document Format (PDF) Import Export HTML Document (HTML) Import Export Possible conversions of text file formats in some common word processors

2.4 Conversions of Text File Formats Format Conversions Word processor File type WordPadNotepad PDF995 Suite Plain Text File (TXT) Import Export Word Processing Document (DOC) Import Export Rich Text Format (RTF) Import Export Portable Document Format (PDF) Import Export HTML Document (HTML) Import Export Possible conversions of text file formats in some common word processors

2.4 Conversions of Text File Formats Format Conversions Word processor File type WordPadNotepad PDF995 Suite Plain Text File (TXT) Import Export Word Processing Document (DOC) Import Export Rich Text Format (RTF) Import Export Portable Document Format (PDF) Import Export HTML Document (HTML) Import Export Possible conversions of text file formats in some common word processors