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Chapter 4: bitmapinstance object, Bitmapinstance.getbits() – Adobe Extending Flash Professional CS5 User Manual

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Last updated 5/2/2011

Chapter 4: BitmapInstance object

Inheritance

Element object

>

Instance object

> BitmapInstance object

Availability
Flash MX 2004.

Description
The BitmapInstance object is a subclass of the Instance object and represents a bitmap in a frame (see

Instance object

).

Method summary
In addition to the

Instance object

methods, you can use the following methods with the BitmapInstance object:

Property summary
In addition to the

Instance object

properties, you can use the following properties with the BitmapInstance object:

bitmapInstance.getBits()

Availability
Flash MX 2004.

Usage

bitmapInstance.getBits()

Parameters
None.

Returns
An object that contains

width

,

height

,

depth

,

bits

, and, if the bitmap has a color table,

cTab

properties. The

bits

element is an array of bytes. The

cTab

element is an array of color values of the form

"#RRGGBB"

. The length of the

array is the length of the color table.

Method

Description

bitmapInstance.getBits()

Lets you create bitmap effects by getting the bits out of the bitmap,
manipulating them, and then returning them to Flash.

bitmapInstance.setBits()

Sets the bits of an existing bitmap element.

Property

Description

bitmapInstance.hPixels

Read-only; an integer that represents the width of the bitmap, in pixels.

bitmapInstance.vPixels

Read-only; an integer that represents the height of the bitmap, in pixels.

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