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GET_SCREEN_SIZE

Syntax | Return Value | Arguments | Keywords | Examples | Version History

The GET_SCREEN_SIZE function returns size, measured in device units, of the screen.

On multi-monitor configurations, the GET_SCREEN_SIZE function returns information for the primary monitor only. For information about other monitors, use the IDLsysMonitorInfo object.

Syntax

Result = GET_SCREEN_SIZE( [Display_name] [, RESOLUTION=variable] )

Unix-Only Keywords: [, DISPLAY_NAME=string]

Return Value

Returns a two-element vector of the form [width, height] that represents the dimensions, measured in device units, of the screen.

Arguments

Display_name

This argument is only available on UNIX platforms.

A string indicating the name of the X Windows display that should be used to determine the screen size.

Keywords

DISPLAY_NAME

This keyword is only available on UNIX platforms.

Set this keyword equal to a string indicating the name of the X Windows display that should be used to determine the screen size. Setting this keyword is equivalent to setting the optional Display_name argument.

RESOLUTION

Set this keyword equal to a named variable that will contain a two-element vector, [xres, yres], specifying the screen resolution in cm/pixel.

Examples

You can find the dimensions and screen resolution of your screen by entering the following:

dimensions = GET_SCREEN_SIZE(RESOLUTION=resolution)
PRINT, dimensions, resolution

For the screen on which this was tested, IDL prints:

1280.00 1024.00

0.0282031 0.0281250

Version History