Adobe Extending Flash Professional CS4 Uživatelský manuál stáhnout pdf (Strana 54)

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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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