Andrej Cimperšek - diploma

/*

        Copyright (c) 2004-2010, 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;

}});

}