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Monday, February 20, 2012

Symbian Terminologies : Terms beginning with G

G

GDI
Graphics Device Interface.

GDR
Symbian OS font file format.

generated header
A header file generated by the resource compiler, conventionally with extension .rsg, containing definitions of symbolic constants which refer to resources in the resource file.

ghost image
Repetition of a block of memory, caused when two physical addresses map to the same memory block, typically when some address lines are not connected.

glass door
A visual representation of an embedded object which displays the embedded object (e.g. a sketch or graph).

global chunk
A global chunk is a memory area which is available to all threads and processes.

global text
Editable text with a single, global, set of paragraph and character format attributes, so that a text object is displayed with entirely uniform formatting.

global text object
A text object containing global text.

GPRS
General Packet Radio System. A radio technology for GSM networks. Transmission rates with theoretical maximum of 171.2 Kbps

graphics context
Contains context for graphics operations to a graphics device. A graphics device may have one or more graphics contexts. Abbreviation: GC.

graphics device
A device that can produce a graphics context for drawing. A device has a typeface store, and twips-to-pixels and pixels-to-twips mappings.

Graphics Device Interface
The Symbian OS component related to graphics manipulation, graphics context, bitmaps.

graphics operation
Operations that affect output to a graphics device. Include: shape operations (line primitives and fillable primitives), text drawing primitives, bitmap primitives.

GRID
A component that provides functionality for row and column layout.

grouped property
A property that is a member of a group of related properties within a vCard.

group label
A field in a contact group used to identify the group to users, e.g. "family", or "colleagues".

GSM
GSM (Global System for Mobile communication) is a digital mobile telephone system that uses a variation of time division multiple access.

GUI
Graphical User Interface.

gutter margin
The gap between the labels margin and the text area. This term, also known as the line cursor margin, is used by classes that have no knowledge of cursors.

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