bufferDepth property

Gets or sets the number of bits per pixel used for colors in the off-screen bitmap buffer.

Syntax

JavaScript

p = object.bufferDepth

 

Property values

Type: Integer

0

Default. No explicit buffering occurs. The colorDepth property is set to the screen depth.

-1

Buffering occurs at screen depth. The colorDepth property is set to the screen depth.

1, 4, 8, 15, 16, 24, 32

Number of bits per pixel to use for the off-screen buffer. The colorDepth property is also set to this value. The value 15 specifies 16 bits per pixel, in which only 15 bits are used in a 5-5-5 layout of RGB values.

Standards information

There are no standards that apply here.

Remarks

Nonsupported values cause bufferDepth to be set to -1.

When bufferDepth is -1 and the user changes system settings that affect the screen depth, the buffer depth is automatically updated to the new depth. This is not the case if bufferDepth is set to a specific value.

See also

screen

 

 

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