/Upload/DoYouHaoBaby/LibPHP/App/Package/Util/Seccode.class.php

<?php

/* [DoYouHaoBaby!] (C)Dianniu From 2010.

   ??????Modify from Discuz!?($)*/



!defined('DYHB_PATH') && exit;



class Seccode{

	protected $_nCode;

	protected $_nWidth=0;

	protected $_nHeight=0;

	protected $_bBackground=TRUE;

	protected $_bImageBackground=TRUE;

	protected $_bAdulterate=TRUE;

	protected $_bTtf=TRUE;

	protected $_bTilt=TRUE;

	protected $_bColor=TRUE;

	protected $_bSize=TRUE;

	protected $_bShadow=TRUE;

	protected $_sFontPath;

	protected $_sDataPath='';

	protected $_arrFontColor;

	protected $_oIm;

	protected $_sImCodeFile='';

	protected $_oImCode=null;

	protected $_oImCodeShadow=null;

	protected $_bChineseCode=false;

	protected $_oColor=null;

	protected $_bAnimator=false;

	protected $_nType=1;

	protected $_bNoise=false;

	protected $_bCurve=false;

	protected $_arrCodeSet='346789ABCDEFGHJKLMNPQRTUVWXY';

	protected $_nFontSize=25;

	const SECCODE_IMAGE_WIDTH_MAX_SIZE=160;

	const SECCODE_IMAGE_HEIGHT_MAX_SIZE=60;

	protected $_arrDefaultOption=array(

	'seccode_image_width_size'=>160,

	'seccode_image_height_size'=>60,

	'seccode_adulterate'=>true,

	'seccode_ttf'=>true,

	'seccode_tilt'=>true,

	'seccode_color'=>true,

	'seccode_size'=>true,

	'seccode_shadow'=>true,

	'seccode_fontpath'=>'',

	'seccode_datapath'=>'',

	'seccode_chinesecode'=>false,

	'seccode_animator'=>false,

	'seccode_tupe'=>1,

	'seccode_norise'=>false,

	'seccode_curve'=>false,

	'seccode_codeset'=>array(),

	'seccode_fontsize'=>25,

	'seccode_background'=>true,

	'seccode_image_background'=>true);



	public function __construct($arrOption=null){

		$this->_arrDefaultOption['seccode_fontpath']=DYHB_PATH.'/Resource/Seccode/Fonts';

		$this->_arrDefaultOption['seccode_datapath']=DYHB_PATH.'/Resource/Seccode';

		if(!empty($arrOption)){

			$arrDefaultOption=array_merge($this->_arrDefaultOption,$arrOption);

		}else{

			$arrDefaultOption=$this->_arrDefaultOption;

		}

		return $this->setWidth($arrDefaultOption['seccode_image_width_size'])// ?????

			->setHeight($arrDefaultOption['seccode_image_height_size']) // ?????

			->setAdulterate($arrDefaultOption['seccode_adulterate']) // ??????

			->setTtf($arrDefaultOption['seccode_ttf'])// ??TTF??

			->setTilt($arrDefaultOption['seccode_tilt'])//?????

			->setColor($arrDefaultOption['seccode_color'])//????

			->setSize($arrDefaultOption['seccode_size'])//????

			->setShadow($arrDefaultOption['seccode_shadow'])//????

			->setFontPath($arrDefaultOption['seccode_fontpath'])// ????

			->setDataPath($arrDefaultOption['seccode_datapath'])// ???????

			->setChineseCode($arrDefaultOption['seccode_chinesecode'])// ?????????

			->setAnimator($arrDefaultOption['seccode_animator'])//??????

			->setType($arrDefaultOption['seccode_tupe'])// ???????????? 1???????? 2??????????

			->setNorise($arrDefaultOption['seccode_norise'])// ??????

			->setCurve($arrDefaultOption['seccode_curve'])// ??????

			->setCodeSet($arrDefaultOption['seccode_codeset'])// ???????????????

			->setFontSize($arrDefaultOption['seccode_fontsize'])// ???????(px)

			->setBackground($arrDefaultOption['seccode_background'])// ??????

			->setImageBackground($arrDefaultOption['seccode_image_background']);// ????????????????????

	}



	public function setCode($nCode){

		if(empty($nCode) or $nCode==0){return $this;}

		$this->_nCode=$nCode;

		return $this;

	}



	public function setWidth($nWidth){

		if(empty($nWidth) or $nWidth==0){return $this;}

		$this->_nWidth=$nWidth;

		return $this;

	}



	public function setHeight($nHeight){

		if(empty($nHeight) or $nHeight==0){return $this;}

		$this->_nHeight=$nHeight;

		return $this;

	}



	public function setAdulterate($bValue){

		$this->_bAdulterate=$bValue;

		return $this;

	}



	public function setTtf($bValue){

		$this->_bTtf=$bValue;

		return $this;

	}



	public function setTilt( $bValue){

		$this->_bTilt=$bValue;

		return $this;

	}



	public function setColor($bValue){

		$this->_bColor=$bValue;

		return $this;

	}



	public function setShadow($bValue){

		$this->_bShadow=$bValue;

		return $this;

	}



	public function setFontPath($sPath){

		if( empty( $sPath)){return $this;}

		$this->_sFontPath=$sPath;

		return $this;

	}



	public function setSize($bSize){

		$this->_bSize=$bSize;

		return $this;

	}



	public function setDataPath($sDataPath){

		if(empty($sDataPath)){return $this;}

		$this->_sDataPath=$sDataPath;

		return $this;

	}



	public function setChineseCode($bChineseCode){

		$this->_bChineseCode=$bChineseCode;

		return $this;

	}



	public function setAnimator($bAnimator){

		$this->_bAnimator=$bAnimator;

		return $this;

	}



	public function setType($nType){

		if(!in_array($nType,array(1,2)))return $this;

		$this->_nType=$nType;

		return $this;

	}



	public function setNorise($bNorise){

		$this->_bNorise=$bNorise;

		return $this;

	}



	public function setCurve($bCurve){

		$this->_bCurve=$bCurve;

		return $this;

	}



	public function setFontSize($nFontSize){

		if(empty($nFontSize)){return $this;}

		$this->_nFontSize=$nFontSize;

		return $this;

	}



	public function setCodeSet($arrCodeSet){

		if(empty( $nFontSize)){return $this;}

		$this->_arrCodeSet=$arrCodeSet;

		return $this;

	}



	public function setBackground($bBackground){

		$this->_bBackground=$bBackground;

		return $this;

	}



	public function setImageBackground($bImageBackground){

		$this->_bImageBackground=$bImageBackground;

		return $this;

	}



	public function display(){

		$nMaxWidthSize=self::SECCODE_IMAGE_WIDTH_MAX_SIZE;

		$nMaxHeightSize=self::SECCODE_IMAGE_HEIGHT_MAX_SIZE;

		$this->_nWidth=$this->_nWidth >=0 && $this->_nWidth<=$nMaxWidthSize?$this->_nWidth:$nMaxWidthSize;// ???????

		$this->_nHeight=$this->_nHeight>=0 && $this->_nHeight<=$nMaxHeightSize?$this->_nHeight:$nMaxHeightSize;

		E::seccodeConvert($this->_nCode,$this->_bChineseCode,$this->_nType);// ??

		if( function_exists('imagecreate') and function_exists('imagecolorset') and function_exists('imagecopyresized') and function_exists('imagecolorallocate') and function_exists('imagesetpixel') and function_exists('imagechar') and function_exists('imageline') and function_exists('imagecreatefromstring') and (function_exists('imagegif') or function_exists('imagepng') or function_exists('imagejpeg'))){

			$this->image();

		}

		else{

			$this->bitMap();

		}

	}



	protected function fileExt($sFileName){

		return trim(substr(strrchr($sFileName,'.'),1,10));

	}



	protected function image(){

		$sBgContent=$this->background();// ?????

		if($this->_bAnimator===TRUE && function_exists('imagegif')){// ?????????

			$nTrueFrame=mt_rand(1,9);

			for($nI=0;$nI<=9;$nI++){

				$this->_oIm=imagecreatefromstring($sBgContent);

				$arrX[$nI]=$arrY[$nI]=0;

				$this->_bAdulterate && $this->adulterate();

				if($nI==$nTrueFrame){

					$this->_bTtf && function_exists('imagettftext') || $this->_nType== 1?$this->ttfFont():$this->gifFont();

					$this->gifFont();

					$arrD[$nI]=mt_rand(250, 400);

				}

				else{

					$this->adulterateFont();

					$arrD[$nI]=mt_rand(5, 15);

				}

				if($this->_bNorise){// ??????

					$this->writeNoise_();

				}

				if($this->_bCurve){// ??????

					$this->writeCurve_();

				}

				ob_start();

				imagegif($this->_oIm);

				imagedestroy($this->_oIm);

				$arrFrame[$nI]=ob_get_contents();

				ob_end_clean();

			}

			$oAnim=new GifMerge($arrFrame ,255,255,255,0,$arrD,$arrX,$arrY,'C_MEMORY');

			@header('Content-type: image/gif');

			echo $oAnim->getAnimation();

		}

		else{

			$this->_oIm=imagecreatefromstring( $sBgContent); // ????

			$this->_bAdulterate and $this->adulterate(); // ????

			$this->_bTtf and function_exists('imagettftext')?$this->ttfFont():$this->textFont(); // ??????

			if($this->_bNorise){// ??????

				$this->writeNoise_();

			}

			if($this->_bCurve){// ??????

				$this->writeCurve_();

			}

			if(function_exists('imagepng')){// ????png???????????

				header('Content-type: image/png');

				imagepng( $this->_oIm);

			}

			else{// ??jpeg??

				header('Content-type: image/jpeg');

				imagejpeg($this->_oIm,'',100);

			}

			imagedestroy($this->_oIm);

		}

	}



	protected function writeCurve_(){

		$nPx=$nPy=0;

		// ?????

		$nA=mt_rand(1,$this->_nHeight/2);// ??

		$nB=mt_rand(-$this->_nHeight/4,$this->_nHeight/4);// Y??????

		$nF=mt_rand(-$this->_nHeight/4,$this->_nHeight/4);// X??????

		$nT=mt_rand($this->_nHeight,$this->_nWidth*2);// ??

		$nW=(2*M_PI)/$nT;

		$bIsBreak=mt_rand(0,1);

		$nPx1=0;// ?????????

		$nPx2=mt_rand($this->_nWidth/2,$this->_nWidth*0.8);// ?????????

		for($nPx=$nPx1;$nPx<=$nPx2;$nPx=$nPx+0.9){

			if($nW!=0){

				$nPy=$nA*sin($nW*$nPx+$nF)+$nB+$this->_nHeight/2;// y=Asin(?x+?)+ b

				$nI=(int)(($this->_nFontSize-6)/4);

				while($nI>0){

					imagesetpixel($this->_oIm,$nPx+($bIsBreak?$nI:0),$nPy+$nI,$this->_oColor);

					$nI--;

				}

			}

		}

		// ?????

		$nA=mt_rand(1,$this->_nHeight/2);// ??

		$nF=mt_rand(-$this->_nHeight/4,$this->_nHeight/4);// X??????

		$nT=mt_rand($this->_nHeight, $this->_nWidth*2);  // ??

		$nW=(2*M_PI)/$nT;

		$nB=$nPy-$nA*sin($nW*$nPx+$nF)-$this->_nHeight/2;

		$nPx1=$nPx2;

		$nPx2=$this->_nWidth;

		$bIsBreak=mt_rand(0,1);

		for($nPx=$nPx1;$nPx<=$nPx2;$nPx=$nPx+0.9){

			if($nW!=0){

				$nPy=$nA*sin($nW*$nPx+$nF)+$nB+$this->_nHeight/2;// y=Asin(?x+?)+ b

				$nI=(int)(($this->_nFontSize-8)/4);

				while($nI>0){

					imagesetpixel( $this->_oIm,$nPx+($bIsBreak?$nI:0),$nPy+$nI,$this->_oColor);

					$nI--;

				}

			}

		}

	}



	protected function writeNoise_(){

		for($nI=0;$nI<10;$nI++){

			$noiseColor=imagecolorallocate($this->_oIm,mt_rand(150,225),mt_rand(150,225),mt_rand(150,225));// ????

			for($nJ=0;$nJ<5;$nJ++){

				imagestring($this->_oIm,5,mt_rand(-10,$this->_nWidth),mt_rand(-10,$this->_nHeight),$this->_arrCodeSet[mt_rand(0, 27)], /* ????????????? */$noiseColor);// ???

			}

		}

	}



	protected function background(){

		$this->_oIm=imagecreatetruecolor($this->_nWidth,$this->_nHeight);// ???????????

		$oBackgroundColor=imagecolorallocate($this->_oIm,255,255,255);// ????

		$arrBackgrounds=$arrC=array();

		if($this->_bBackground && $this->_bImageBackground && function_exists('imagecreatefromjpeg') && function_exists('imagecolorat') && function_exists('imagecopymerge') && function_exists('imagesetpixel') && function_exists('imageSX') && function_exists('imageSY')){

			if($hHandle=@opendir($this->_sDataPath.'/background')){

				while($sBgFile=@readdir($hHandle)){

					if(preg_match( '/\.jpg$/i',$sBgFile)){

						$arrBackgrounds[]=$this->_sDataPath.'/background/'.$sBgFile;

					}

				}

				@closedir($hHandle);

			}

			if($arrBackgrounds){

				$oImwm=imagecreatefromjpeg($arrBackgrounds[ array_rand( $arrBackgrounds)]);// ??????????????

				$oColorIndex=imagecolorat($oImwm,0,0);// imagecolorat?????????

				$arrC=imagecolorsforindex($oImwm,$oColorIndex);// imagecolorsforindex ????

				$oColorIndex=imagecolorat($oImwm,1,0);

				imagesetpixel($oImwm,0,0,$oColorIndex);// ????

				$arrC[0]=$arrC['red'];

				$arrC[1]=$arrC['green'];

				$arrC[2]=$arrC['blue'];

				imagecopymerge($this->_oIm,$oImwm,0,0,mt_rand(0,200-$this->_nWidth),mt_rand(0,80-$this->_nHeight),imageSX($oImwm),imageSY($oImwm),100);// imagecopymerge????png????

				imagedestroy( $oImwm);

			}

		}

		if(!$this->_bBackground || !$arrBackgrounds){

			for($nI=0;$nI<3;$nI++){

				$arrStart[$nI]=mt_rand(200,255);

				$arrEnd[$nI]=mt_rand(100,150);

				$arrStep[$nI]=($arrEnd[$nI]-$arrStart[$nI])/$this->_nWidth;

				$arrC[$nI]=$arrStart[$nI];

			}

			for($nI=0;$nI<$this->_nWidth;$nI++){

				$oColor=imagecolorallocate($this->_oIm,$arrC[0],$arrC[1],$arrC[2]);

				imageline($this->_oIm,$nI,0,$nI-(isset($bTilt)?$bTilt:0),$this->_nHeight,$oColor);

				$arrC[0]+=$arrStep[0];

				$arrC[1]+=$arrStep[1];

				$arrC[2]+=$arrStep[2];

			}

			$arrC[0]-=20;

			$arrC[1]-=20;

			$arrC[2]-=20;

		}

		ob_start();

		if(function_exists('imagepng')){

			imagepng($this->_oIm);

		}

		else{

			imagejpeg($this->_oIm,'',100);

		}

		imagedestroy( $this->_oIm);

		$sBgContent=ob_get_contents();

		ob_end_clean();

		$this->_arrFontColor=$arrC;

		return $sBgContent;

	}



	protected function adulterate(){

		$nLineNums=$this->_nHeight/10;

		for($nI=0;$nI<=$nLineNums;$nI++){

			$oColor=$this->_bColor?imagecolorallocate($this->_oIm,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255)):imagecolorallocate($this->_oIm,$this->_arrFontColor[0],$this->__arrFontColor[1], $this->_arrFontColor[2]);

			$nX=mt_rand(0,$this->_nWidth);

			$nY=mt_rand(0,$this->_nHeight);

			if(mt_rand(0,1)){

				imagearc($this->_oIm,$nX,$nY,mt_rand(0,$this->_nWidth),mt_rand(0,$this->_nHeight),mt_rand(0,360),mt_rand(0,360),$oColor);

			}

			else{

				$nLineMaxLong=isset($nLineMaxLong)?$nLineMaxLong:0;

				$nLineX=isset($nLineX)?$nLineX:0;

				$nLineY=isset($nLineY)?$nLineY:0;

				imageline($this->_oIm,$nX,$nY,$nLineX+mt_rand(0,$nLineMaxLong),$nLineY+mt_rand(0,mt_rand($this->_nHeight,$this->_nWidth)),$oColor);

			}

		}

		$this->_oColor=$oColor;

	}



	protected function ttfFont(){

		$nSeccode=$this->_nCode; // ???

		$sSeccodeRoot=$this->_sFontPath.($this->_bChineseCode===true?'/Zh-cn':'/En' ); // ????

		$hDirs=opendir($sSeccodeRoot);// ???????

		$arrSeccodeTtf=array();

		while($entry=readdir( $hDirs)){

			if($entry!='.' and $entry!='..' and in_array(strtolower($this->fileExt($entry)),array('ttf','ttc'))){

				$arrSeccodeTtf[]=$entry;

			}

		}

		if(empty($arrSeccodeTtf)){// ??????????????????

			$this->textFont();

			return;

		}

		$nSeccodeLength=4;// ?????

		$nWidthTotal=0;

		for($nI=0;$nI<$nSeccodeLength;$nI++){

			$arrFont[$nI]['font']=$sSeccodeRoot.'/'.$arrSeccodeTtf[array_rand($arrSeccodeTtf)]; // ??

			$arrFont[$nI]['tilt']=$this->_bTilt?mt_rand(-30,30):0;// ?????????

			$arrFont[$nI]['size']=$this->_nWidth/6;// ?? 1/6????( $this->_nFontSize??????)

			$this->_bSize and $arrFont[$nI]['size']=mt_rand( $arrFont[$nI]['size']-$this->_nWidth/40,$arrFont[$nI]['size']+$this->_nWidth/20); // ????

			$oBox=imagettfbbox($arrFont[$nI]['size'], 0, $arrFont[$nI]['font'], $nSeccode[$nI]);

			$arrFont[$nI]['zheight']=max($oBox[1],$oBox[3])-min($oBox[5],$oBox[7]);

			$oBox=imagettfbbox($arrFont[$nI]['size'],$arrFont[$nI]['tilt'],$arrFont[$nI]['font'],$nSeccode[$nI]);

			$arrFont[$nI]['height']=max($oBox[1],$oBox[3])-min($oBox[5],$oBox[7]);

			$arrFont[$nI]['hd']=$arrFont[$nI]['height']-$arrFont[$nI]['zheight'];

			$arrFont[$nI]['width']=(max($oBox[2],$oBox[4])-min($oBox[0],$oBox[6]))+mt_rand(0,$this->_nWidth/8);

			$arrFont[$nI]['width']=$arrFont[$nI]['width']>$this->_nWidth/$nSeccodeLength?$this->_nWidth/$nSeccodeLength:$arrFont[$nI]['width'];

			$nWidthTotal+=$arrFont[$nI]['width'];

		}

		$nX=mt_rand($arrFont[0]['tilt']>0?cos(deg2rad(90-$arrFont[0]['tilt']))*$arrFont[0]['zheight']:1,$this->_nWidth-$nWidthTotal);// deg2rad()??????????&cos?cosine???.??????

		!$this->_bColor and $oTextColor=imagecolorallocate($this->_oIm,$this->_arrFontColor[0],$this->_arrFontColor[1],$this->_arrFontColor[2]); // ????????

		for($nI=0;$nI<$nSeccodeLength;$nI++){

			if($this->_bColor){

				$this->_arrFontColor=array(mt_rand(0,255),mt_rand(0,255),mt_rand(0,255));

				$this->_bShadow and $oTextShadowcolor=imagecolorallocate($this->_oIm,255-$this->_arrFontColor[0],255-$this->_arrFontColor[1],255-$this->_arrFontColor[2]);

				$oTextColor=imagecolorallocate($this->_oIm,$this->_arrFontColor[0],$this->_arrFontColor[1],$this->_arrFontColor[2]);

			}

			elseif($this->_bShadow){

				$oTextShadowcolor=imagecolorallocate($this->_oIm,255-$this->_arrFontColor[0],255-$this->_arrFontColor[1],255-$this->_arrFontColor[2]);

			}

			$nY=$arrFont[0]['tilt']>0?mt_rand($arrFont[$nI]['height'],$this->_nHeight):mt_rand($arrFont[$nI]['height']-$arrFont[$nI]['hd'],$this->_nHeight-$arrFont[$nI]['hd']);

			$this->_bShadow and imagettftext($this->_oIm,$arrFont[$nI]['size'],$arrFont[$nI]['tilt'],$nX+1,$nY+1,$oTextShadowcolor,$arrFont[$nI]['font'],$nSeccode[$nI]);

			imagettftext($this->_oIm,$arrFont[$nI]['size'],$arrFont[$nI]['tilt'],$nX,$nY,$oTextColor,$arrFont[$nI]['font'],$nSeccode[$nI]);

			$nX+=$arrFont[$nI]['width'];

		}

	}



	protected function adulterateFont(){

		$sSeccodeUnits='BCEFGHJKMPQRTVWXY2346789';// ????

		$nX=$this->_nWidth/4;

		$nY=$this->_nHeight/10;

		$oTextColor=imagecolorallocate( $this->_oIm,$this->_arrFontColor[0],$this->_arrFontColor[1],$this->_arrFontColor[2]);// ????

		for($nI=0;$nI<=3;$nI++){

			$sAdulterateCode=$sSeccodeUnits[mt_rand(0,23)];

			imagechar($this->_oIm,5,$nX*$nI+mt_rand(0,$nX-10),mt_rand($nY,$this->_nHeight-10-$nY),$sAdulterateCode,$oTextColor);

		}

	}



	protected function textFont(){

		$nSeccode=$this->_ncode;

		$nWidthTotal=0;

		for($nI=0;$nI<=3;$nI++){

			$arrFont[$nI]['width']=8+mt_rand(0,$this->_nWidth/5-5);

			$nWidthTotal+=$arrFont[$nI]['width'];

		}

		$nX=mt_rand(1,$this->_nWidth-$nWidthTotal);

		for($nI=0;$nI<=3;$nI++){

			$this->_oColor && $this->_arrFontColor=array(mt_rand(0,255),mt_rand(0,255),mt_rand(0,255));

			$nY=mt_rand(0,$this->_nHeight-20);

			if($this->_bShadow){

				$oTextShadowColor=imagecolorallocate($this->_oIm,255-$this->_arrFontcolor[0],255-$this->_arrFontcolor[1],255-$this->_arrFontcolor[2]);

				imagechar($this->_oIm,5,$nX+1,$nY+1,$nSeccode[$nI],$oTextShadowColor);

			}

			$oTextColor=imagecolorallocate($this->_oIm,$this->_arrFontColor[0],$this->_arrFontColor[1],$this->_arrFontColor[2]);

			imagechar($this->_oIm,5,$nX,$nY,$this->_arrFontColor[$nX],$oTextColor);

			$nX+=$arrFont[$nI]['width'];

		}

	}



	protected function gifFont(){

		$nSeccode=$this->_nCode;

		$arrSeccodeDir=array();

		if(function_exists( 'imagecreatefromgif')){// ???????gif??

			$sSeccodeRoot=$this->_sDataPath.'/gif';

			$arrDirs=opendir($sSeccodeRoot);

			while($sDir=readdir($arrDirs)){

				if($sDir!='.' && $sDir!='..' && file_exists($sSeccodeRoot.'/'.$sDir.'/9.gif')){

					$arrSeccodeDir[]=$sDir;

				}

			}

		}

		$nWidthTotal=0;

		for($nI=0;$nI<=3;$nI++){

			$this->_sImCodeFile=$arrSeccodeDir?$sSeccodeRoot.$arrSeccodeDir[array_rand($arrSeccodeDir)].'/'.strtolower( $nSeccode[$nI]).'.gif':'';// ?????????

			if(!empty( $this->_sImCodeFile) && file_exists($this->_sImCodeFile)){

				$arrFont[$nI]['file']=$this->_sImCodeFile;

				$arrFont[$nI]['data']=getimagesize( $this->_sImCodeFile);

				$arrFont[$nI]['width']=$arrFont[$nI]['data'][0]+mt_rand(0,6)-4;

				$arrFont[$nI]['height']=$arrFont[$nI]['data'][1]+mt_rand(0,6)-4;

				$arrFont[$nI]['width'] += mt_rand(0,$this->_nWidth/5-$arrFont[$nI]['width']);

				$nWidthTotal+=$arrFont[$nI]['width'];

			}

			else{

				$arrFont[$nI]['file']='';

				$arrFont[$nI]['width']=8+mt_rand(0,$this->_nWidth/5-5);

				$nWidthTotal+=$arrFont[$nI]['width'];

			}

		}

		$nX=mt_rand(1,$this->_nWidth-$nWidthTotal);

		for($nI=0;$nI<=3;$nI++){

			$this->_oColor && $this->_arrFontColor=array(mt_rand(0,255),mt_rand(0,255),mt_rand(0,255));

			if($arrFont[$nI]['file']){

				$this->_oImCode=imagecreatefromgif($arrFont[$nI]['file']);

				if($this->_bSize){

					$arrFont[$nI]['width']=mt_rand($arrFont[$nI]['width']-$this->_nWidth/20,$arrFont[$nI]['width']+$this->_nWidth/20);

					$arrFont[$nI]['height']=mt_rand($arrFont[$nI]['height']-$this->_nWidth/20,$arrFont[$nI]['height']+$this->_nWidth/20);

				}

				$nY=mt_rand(0,$this->_nHeight-$arrFont[$nI]['height']);

				if($this->_bShadow){

					$this->_oImCodeShadow=$this->_oImCode;

					imagecolorset($this->_oImCodeShadow,0,255-$this->_arrFontColor[0],255-$this->_arrFontColor[1],255-$this->_arrFontColor[2]);

					imagecopyresized($this->_oIm,$this->_oImCodeShadow,$nX+1,$nY+1,0,0,$arrFont[$nI]['width'],$arrFont[$nI]['height'],$arrFont[$nI]['data'][0],$arrFont[$nI]['data'][1]);

				}

				imagecolorset($this->_oImCode,0,$this->_arrFontColor[0],$this->_arrFontColor[1],$this->_arrFontColor[2]);

				imagecopyresized($this->_oIm,$this->_oImCode,$nX,$nY,0,0,$arrFont[$nI]['width'],$arrFont[$nI]['height'],$arrFont[$nI]['data'][0],$arrFont[$nI]['data'][1]);

			}



			else{

				$nY=mt_rand(0,$this->_nHeight-20);

				if($this->_bShadow){

					$oTextShadowcolor=imagecolorallocate($this->_oIm,255-$this->_arrFontColor[0],255-$this->_arrFontColor[1],255-$this->_arrFontColor[2]);

					imagechar($this->_oIm,5,$nX+1,$nY+1,$nSeccode[$nI],$oTextShadowcolor);

				}

				$oTextColor=imagecolorallocate($this->_oIm,$this->_arrFontColor[0],$this->_arrFontColor[1],$this->_arrFontColor[2]);

				imagechar($this->_oIm,5,$nX,$nY,$nSeccode[$nI],$oTextColor);

			}

			$nX+=$arrFont[$nI]['width'];

		}

	}



	protected function bitmap(){

		$arrNumbers=array(

			'B'=>array('00','fc','66','66','66','7c','66','66','fc','00'),

			'C'=>array('00','38','64','c0','c0','c0','c4','64','3c','00'),

			'E'=>array('00','fe','62','62','68','78','6a','62','fe','00'),

			'F'=>array('00','f8','60','60','68','78','6a','62','fe','00'),

			'G'=>array('00','78','cc','cc','de','c0','c4','c4','7c','00'),

			'H'=>array('00','e7','66','66','66','7e','66','66','e7','00'),

			'J'=>array('00','f8','cc','cc','cc','0c','0c','0c','7f','00'),

			'K'=>array('00','f3','66','66','7c','78','6c','66','f7','00'),

			'M'=>array('00','f7','63','6b','6b','77','77','77','e3','00'),

			'P'=>array('00','f8','60','60','7c','66','66','66','fc','00'),

			'Q'=>array('00','78','cc','cc','cc','cc','cc','cc','78','00'),

			'R'=>array('00','f3','66','6c','7c','66','66','66','fc','00'),

			'T'=>array('00','78','30','30','30','30','b4','b4','fc','00'),

			'V'=>array('00','1c','1c','36','36','36','63','63','f7','00'),

			'W'=>array('00','36','36','36','77','7f','6b','63','f7','00'),

			'X'=>array('00','f7','66','3c','18','18','3c','66','ef','00'),

			'Y'=>array('00','7e','18','18','18','3c','24','66','ef','00'),

			'2'=>array('fc','c0','60','30','18','0c','cc','cc','78','00'),

			'3'=>array('78','8c','0c','0c','38','0c','0c','8c','78','00'),

			'4'=>array('00','3e','0c','fe','4c','6c','2c','3c','1c','1c'),

			'6'=>array('78','cc','cc','cc','ec','d8','c0','60','3c','00'),

			'7'=>array('30','30','38','18','18','18','1c','8c','fc','00'),

			'8'=>array('78','cc','cc','cc','78','cc','cc','cc','78','00'),

			'9'=>array('f0','18','0c','6c','dc','cc','cc','cc','78','00')

		);

		foreach($arrNumbers as $nI=>$arrNumber){

			for($nJ=0;$nJ<6;$nJ++){

				$sA1=substr('012',mt_rand(0,2),1).substr('012345',mt_rand(0,5),1);

				$sA2=substr('012345',mt_rand(0,5),1).substr('0123',mt_rand(0,3),1);

				mt_rand(0,1)== 1 ? array_push($arrNumbers[$nI],$sA1): array_unshift($arrNumbers[$nI],$sA1);

				mt_rand(0,1)== 0 ? array_push($arrNumbers[$nI],$sA1): array_unshift($arrNumbers[$nI],$sA2);

			}

		}

		$arrBitmap=array();

		for($nI=0;$nI<20;$nI++){

			for($nJ=0;$nJ<=3;$nJ++){

				$nA=mt_rand(0,14);

				if(isset($arrNumbers[$this->_nCode[$nJ]])){

					$nBytes=$arrNumbers[$this->_nCode[$nJ]][$nI];

				}

				else{

					$nBytes='';

				}

				array_push($arrBitmap,$nBytes);

			}

		}

		for($nI=0;$nI<8;$nI++){

			$nA=substr('012345',mt_rand(0,2),1).substr('012345',mt_rand(0,5),1);

			array_unshift($arrBitmap,$nA);

			array_push($arrBitmap,$nA);

		}

		$sImage=pack('H*','424d9e000000000000003e000000280000002000000018000000010001000000'.'0000600000000000000000000000000000000000000000000000FFFFFF00'.implode('',$arrBitmap));

		header('Content-Type: image/bmp');

		echo $sImage;

	}



}