October 2005
Intermediate to advanced
1376 pages
27h 40m
English
book
ActionScript 2.0 Language Reference for Macromedia® Flash® 8
by Francis Cheng, Jen deHaan, Robert L. Dixon, Shimul Rahim
Content preview from ActionScript 2.0 Language Reference for Macromedia® Flash® 8
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BitmapData (flash.display.BitmapData)
Object
|
+-flash.display.BitmapData
public class BitmapData
extends ObjectThe BitmapData class lets you create arbitrarily sized transparent or opaque bitmap images and manipulate them in various ways at runtime.
This class lets you separate bitmap rendering operations from the Flash Player internal display updating routines. By manipulating a BitmapData object directly, you can create very complex images without incurring the per-frame overhead of constantly redrawing the content from vector data.
The methods of the BitmapData class support a variety of effects that are not available through the generic filter interface.
A BitmapData object contains an array of pixel data. This data can represent either ...
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