3.6 Multimedia/digital media

Integrating the Components

Generic Techniques

Differences in FilesBitmap vs. Vector Graphics

Vector Image

Bitmapped Image

Bitmapped Graphics

Format Name Filename Extension

JPEG .jpg

Exif .exif

TIFF .tiff / .tif

PNG .png

GIF .gif

BMP .bmp / .dib

WebP .webp

Bitmap Files:

Bitmapped Graphics

PROS CONS Best Suited for

May be easily created from existing pixel data stored in an array in memory.

Pixel values may be modified individually or as large groups by altering a palette if present.

Can be very large, particularly if the image contains a large number of colours

Typically do not scale very well

Shrinking and expanding the image, by decimation and cell replication, can distort the image.

Online versions

Vector Graphics

Vector Files:

Format Name Filename Extension

CGM .cgm

SVG .svg

AI .ai

Vector Graphics

PROS CONS Best Suited for

Can be easily scaled and otherwise manipulated to accommodate the resolution of a spectrum of output devices

Easy to render vector data and save it to a bitmap format file, or, alternately, to convert the data to another vector format

appearance of vector images can vary considerably depending upon the application interpreting the image

displays best on vectored output devices such as plotters and random scan displays.

Print versions

Tables

Cell Merge

Borders

Cell Padding and Cell Spacing

Nested Table

A table inside the cell of another table is called a nested table.

Word processing and desktop publishing (DTP)

Referencing and reviewingSpellCheck

an application program that flags words that may be spelled incorrectly.

Thesaurus

Contains synonyms and antonyms of words as opposed to dictionaries which contain definitions and pronunciations.

Word Count

Counts the number of words in a document/block of text.

Inline and Floating Graphics

Floating: The image floats around in the draw layer

Inline: the image honours the paragraph alignment and line spacing attributes of the containing paragraph

Interactive multimedia, slideshows and websites

Integration of online tools