TDisplayModeUtils Class Reference

#include <gdi.h>

Link against: gdi.lib

class TDisplayModeUtils

Public Member Functions
IMPORT_C TBool	IsDisplayModeColor(TDisplayMode)
IMPORT_C TBool	IsDisplayModeValid(TDisplayMode)
IMPORT_C TInt	NumDisplayModeBitsPerPixel(TDisplayMode)
IMPORT_C TInt	NumDisplayModeColors(TDisplayMode)

Detailed Description

A set of static utility functions to get information about a display mode.

Member Function Documentation

IsDisplayModeColor ( TDisplayMode )

IMPORT_C TBool

IsDisplayModeColor

(

TDisplayMode

aDispMode

)

[static]

Tests whether the display mode specified is colour or greyscale.

Parameters
aDispMode	The display mode.

Return Value: ETrue if colour; EFalse if greyscale or monochrome.

IsDisplayModeValid ( TDisplayMode )

IMPORT_C TBool

IsDisplayModeValid

(

TDisplayMode

aDispMode

)

[static]

Tests whether the display mode specified is one of the valid values.

Parameters
aDispMode	The display mode to be tested.

Return Value: ETrue if aDispMode is valid; EFalse if not valid.

NumDisplayModeBitsPerPixel ( TDisplayMode )

IMPORT_C TInt

NumDisplayModeBitsPerPixel

(

TDisplayMode

aDispMode

)

[static]

Gets the number of bits required by each pixel when displayed in the specified display mode.

Parameters
aDispMode	The display mode.

Return Value: The number of bits required by each pixel.

NumDisplayModeColors ( TDisplayMode )

IMPORT_C TInt

NumDisplayModeColors

(

TDisplayMode

aDispMode

)

[static]

Gets the number of colours or shades of grey supported by the specified display mode.

For instance, a display mode of EGray4 returns 4, EColor4K returns 4096.

Parameters
aDispMode	The display mode.

Return Value: The number of colours/grey shades supported by the display mode.