/*
	Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.encoding.bits"]){dojo._hasResource["dojox.encoding.bits"]=true;dojo.provide("dojox.encoding.bits");dojox.encoding.bits.OutputStream=function(){this.reset();};dojo.extend(dojox.encoding.bits.OutputStream,{reset:function(){this.buffer=[];this.accumulator=0;this.available=8;},putBits:function(_1,_2){while(_2){var w=Math.min(_2,this.available);var v=(w<=_2?_1>>>(_2-w):_1)<<(this.available-w);this.accumulator|=v&(255>>>(8-this.available));this.available-=w;if(!this.available){this.buffer.push(this.accumulator);this.accumulator=0;this.available=8;}_2-=w;}},getWidth:function(){return this.buffer.length*8+(8-this.available);},getBuffer:function(){var b=this.buffer;if(this.available<8){b.push(this.accumulator&(255<<this.available));}this.reset();return b;}});dojox.encoding.bits.InputStream=function(_3,_4){this.buffer=_3;this.width=_4;this.bbyte=this.bit=0;};dojo.extend(dojox.encoding.bits.InputStream,{getBits:function(_5){var r=0;while(_5){var w=Math.min(_5,8-this.bit);var v=this.buffer[this.bbyte]>>>(8-this.bit-w);r<<=w;r|=v&~(~0<<w);this.bit+=w;if(this.bit==8){++this.bbyte;this.bit=0;}_5-=w;}return r;},getWidth:function(){return this.width-this.bbyte*8-this.bit;}});}