Class TDisplayModeUtils

class TDisplayModeUtils;

Description

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

Members

Defined in TDisplayModeUtils:

• IsDisplayModeColor(TDisplayMode)Tests whether the display mode specified is colour or greyscale.
• IsDisplayModeValid(TDisplayMode)Tests whether the display mode specified is one of the valid values.
• NumDisplayModeBitsPerPixel(TDisplayMode)Gets the number of bits required by each pixel when displayed in the specified d...
• NumDisplayModeColors(TDisplayMode)Gets the number of colours or shades of grey supported by the specified display ...

IMPORT_C static TBool IsDisplayModeColor(TDisplayMode aDispMode);

Description

Tests whether the display mode specified is colour or greyscale.

Parameters

TDisplayMode aDispMode The display mode.

Return value

TBool ETrue if colour; EFalse if greyscale or monochrome.

IMPORT_C static TBool IsDisplayModeValid(TDisplayMode aDispMode);

Description

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

Parameters

TDisplayMode aDispMode The display mode to be tested.

Return value

TBool ETrue if aDispMode is valid; EFalse if not valid.

IMPORT_C static TInt NumDisplayModeColors(TDisplayMode aDispMode);

Description

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

TDisplayMode aDispMode The display mode.

Return value

TInt The number of colours/grey shades supported by the display mode.

IMPORT_C static TInt NumDisplayModeBitsPerPixel(TDisplayMode aDispMode);

Description

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

Parameters

TDisplayMode aDispMode The display mode.

Return value

TInt The number of bits required by each pixel.