<?php
require('fpdi.php');

$SJIS_widths = array(' '=>278,'!'=>299,'"'=>353,'#'=>614,'$'=>614,'%'=>721,'&'=>735,'\''=>216,
	'('=>323,')'=>323,'*'=>449,'+'=>529,','=>219,'-'=>306,'.'=>219,'/'=>453,'0'=>614,'1'=>614,
	'2'=>614,'3'=>614,'4'=>614,'5'=>614,'6'=>614,'7'=>614,'8'=>614,'9'=>614,':'=>219,';'=>219,
	'<'=>529,'='=>529,'>'=>529,'?'=>486,'@'=>744,'A'=>646,'B'=>604,'C'=>617,'D'=>681,'E'=>567,
	'F'=>537,'G'=>647,'H'=>738,'I'=>320,'J'=>433,'K'=>637,'L'=>566,'M'=>904,'N'=>710,'O'=>716,
	'P'=>605,'Q'=>716,'R'=>623,'S'=>517,'T'=>601,'U'=>690,'V'=>668,'W'=>990,'X'=>681,'Y'=>634,
	'Z'=>578,'['=>316,'\\'=>614,']'=>316,'^'=>529,'_'=>500,'`'=>387,'a'=>509,'b'=>566,'c'=>478,
	'd'=>565,'e'=>503,'f'=>337,'g'=>549,'h'=>580,'i'=>275,'j'=>266,'k'=>544,'l'=>276,'m'=>854,
	'n'=>579,'o'=>550,'p'=>578,'q'=>566,'r'=>410,'s'=>444,'t'=>340,'u'=>575,'v'=>512,'w'=>760,
	'x'=>503,'y'=>529,'z'=>453,'{'=>326,'|'=>380,'}'=>326,'~'=>387);

class PDF_Japanese extends FPDI
{
function AddCIDFont($family, $style, $name, $cw, $CMap, $registry)
{
	$fontkey=strtolower($family).strtoupper($style);
	if(isset($this->fonts[$fontkey]))
		$this->Error("CID font already added: $family $style");
	$i=count($this->fonts)+1;
	$this->fonts[$fontkey]=array('i'=>$i,'type'=>'Type0','name'=>$name,'up'=>-120,'ut'=>40,'cw'=>$cw,'CMap'=>$CMap,'registry'=>$registry);
}

function AddCIDFonts($family, $name, $cw, $CMap, $registry)
{
	$this->AddCIDFont($family,'',$name,$cw,$CMap,$registry);
	$this->AddCIDFont($family,'B',$name.',Bold',$cw,$CMap,$registry);
	$this->AddCIDFont($family,'I',$name.',Italic',$cw,$CMap,$registry);
	$this->AddCIDFont($family,'BI',$name.',BoldItalic',$cw,$CMap,$registry);
}

function AddSJISFont($family='SJIS')
{
	// Add SJIS font with proportional Latin
	$name='KozMinPro-Regular-Acro';
	$cw=$GLOBALS['SJIS_widths'];
	$CMap='90msp-RKSJ-H';
	$registry=array('ordering'=>'Japan1','supplement'=>2);
	$this->AddCIDFonts($family,$name,$cw,$CMap,$registry);
}

function AddSJIShwFont($family='SJIS-hw')
{
	// Add SJIS font with half-width Latin
	$name='KozMinPro-Regular-Acro';
	for($i=32;$i<=126;$i++)
		$cw[chr($i)]=500;
	$CMap='90ms-RKSJ-H';
	$registry=array('ordering'=>'Japan1','supplement'=>2);
	$this->AddCIDFonts($family,$name,$cw,$CMap,$registry);
}

function GetStringWidth($s)
{
	if($this->CurrentFont['type']=='Type0')
		return $this->GetSJISStringWidth($s);
	else
		return parent::GetStringWidth($s);
}

function GetSJISStringWidth($s)
{
	// SJIS version of GetStringWidth()
	$l=0;
	$cw=&$this->CurrentFont['cw'];
	$nb=strlen($s);
	$i=0;
	while($i<$nb)
	{
		$o=ord($s[$i]);
		if($o<128)
		{
			// ASCII
			$l+=$cw[$s[$i]];
			$i++;
		}
		elseif($o>=161 && $o<=223)
		{
			// Half-width katakana
			$l+=500;
			$i++;
		}
		else
		{
			// Full-width character
			$l+=1000;
			$i+=2;
		}
	}
	return $l*$this->FontSize/1000;
}

function MultiCell($w, $h, $txt, $border=0, $align='L', $fill=false)
{
	if($this->CurrentFont['type']=='Type0')
		$this->SJISMultiCell($w,$h,$txt,$border,$align,$fill);
	else
		parent::MultiCell($w,$h,$txt,$border,$align,$fill);
}

function SJISMultiCell($w, $h, $txt, $border=0, $align='L', $fill=false)
{
	// Output text with automatic or explicit line breaks
	$cw=&$this->CurrentFont['cw'];
	if($w==0)
		$w=$this->w-$this->rMargin-$this->x;
	$wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
	$s=str_replace("\r",'',$txt);
	$nb=strlen($s);
	if($nb>0 && $s[$nb-1]=="\n")
		$nb--;
	$b=0;
	if($border)
	{
		if($border==1)
		{
			$border='LTRB';
			$b='LRT';
			$b2='LR';
		}
		else
		{
			$b2='';
			if(is_int(strpos($border,'L')))
				$b2.='L';
			if(is_int(strpos($border,'R')))
				$b2.='R';
			$b=is_int(strpos($border,'T')) ? $b2.'T' : $b2;
		}
	}
	$sep=-1;
	$i=0;
	$j=0;
	$l=0;
	$nl=1;
	while($i<$nb)
	{
		// Get next character
		$c=$s[$i];
		$o=ord($c);
		if($o==10)
		{
			// Explicit line break
			$this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);
			$i++;
			$sep=-1;
			$j=$i;
			$l=0;
			$nl++;
			if($border && $nl==2)
				$b=$b2;
			continue;
		}
		if($o<128)
		{
			// ASCII
			$l+=$cw[$c];
			$n=1;
			if($o==32)
				$sep=$i;
		}
		elseif($o>=161 && $o<=223)
		{
			// Half-width katakana
			$l+=500;
			$n=1;
			$sep=$i;
		}
		else
		{
			// Full-width character
			$l+=1000;
			$n=2;
			$sep=$i;
		}
		if($l>$wmax)
		{
			// Automatic line break
			if($sep==-1 || $i==$j)
			{
				if($i==$j)
					$i+=$n;
				$this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);
			}
			else
			{
				$this->Cell($w,$h,substr($s,$j,$sep-$j),$b,2,$align,$fill);
				$i=($s[$sep]==' ') ? $sep+1 : $sep;
			}
			$sep=-1;
			$j=$i;
			$l=0;
			$nl++;
			if($border && $nl==2)
				$b=$b2;
		}
		else
		{
			$i+=$n;
			if($o>=128)
				$sep=$i;
		}
	}
	// Last chunk
	if($border && is_int(strpos($border,'B')))
		$b.='B';
	$this->Cell($w,$h,substr($s,$j,$i-$j),$b,2,$align,$fill);
	$this->x=$this->lMargin;
}

function Write($h, $txt, $link='')
{
	if($this->CurrentFont['type']=='Type0')
		$this->SJISWrite($h,$txt,$link);
	else
		parent::Write($h,$txt,$link);
}

function SJISWrite($h, $txt, $link)
{
	// SJIS version of Write()
	$cw=&$this->CurrentFont['cw'];
	$w=$this->w-$this->rMargin-$this->x;
	$wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
	$s=str_replace("\r",'',$txt);
	$nb=strlen($s);
	$sep=-1;
	$i=0;
	$j=0;
	$l=0;
	$nl=1;
	while($i<$nb)
	{
		// Get next character
		$c=$s[$i];
		$o=ord($c);
		if($o==10)
		{
			// Explicit line break
			$this->Cell($w,$h,substr($s,$j,$i-$j),0,2,'',0,$link);
			$i++;
			$sep=-1;
			$j=$i;
			$l=0;
			if($nl==1)
			{
				// Go to left margin
				$this->x=$this->lMargin;
				$w=$this->w-$this->rMargin-$this->x;
				$wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
			}
			$nl++;
			continue;
		}
		if($o<128)
		{
			// ASCII
			$l+=$cw[$c];
			$n=1;
			if($o==32)
				$sep=$i;
		}
		elseif($o>=161 && $o<=223)
		{
			// Half-width katakana
			$l+=500;
			$n=1;
			$sep=$i;
		}
		else
		{
			// Full-width character
			$l+=1000;
			$n=2;
			$sep=$i;
		}
		if($l>$wmax)
		{
			// Automatic line break
			if($sep==-1 || $i==$j)
			{
				if($this->x>$this->lMargin)
				{
					// Move to next line
					$this->x=$this->lMargin;
					$this->y+=$h;
					$w=$this->w-$this->rMargin-$this->x;
					$wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
					$i+=$n;
					$nl++;
					continue;
				}
				if($i==$j)
					$i+=$n;
				$this->Cell($w,$h,substr($s,$j,$i-$j),0,2,'',0,$link);
			}
			else
			{
				$this->Cell($w,$h,substr($s,$j,$sep-$j),0,2,'',0,$link);
				$i=($s[$sep]==' ') ? $sep+1 : $sep;
			}
			$sep=-1;
			$j=$i;
			$l=0;
			if($nl==1)
			{
				$this->x=$this->lMargin;
				$w=$this->w-$this->rMargin-$this->x;
				$wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
			}
			$nl++;
		}
		else
		{
			$i+=$n;
			if($o>=128)
				$sep=$i;
		}
	}
	// Last chunk
	if($i!=$j)
		$this->Cell($l/1000*$this->FontSize,$h,substr($s,$j,$i-$j),0,0,'',0,$link);
}

function _putType0($font)
{
	// Type0
	$this->_newobj();
	$this->_out('<</Type /Font');
	$this->_out('/Subtype /Type0');
	$this->_out('/BaseFont /'.$font['name'].'-'.$font['CMap']);
	$this->_out('/Encoding /'.$font['CMap']);
	$this->_out('/DescendantFonts ['.($this->n+1).' 0 R]');
	$this->_out('>>');
	$this->_out('endobj');
	// CIDFont
	$this->_newobj();
	$this->_out('<</Type /Font');
	$this->_out('/Subtype /CIDFontType0');
	$this->_out('/BaseFont /'.$font['name']);
	$this->_out('/CIDSystemInfo <</Registry (Adobe) /Ordering ('.$font['registry']['ordering'].') /Supplement '.$font['registry']['supplement'].'>>');
	$this->_out('/FontDescriptor '.($this->n+1).' 0 R');
	$W='/W [1 [';
	foreach($font['cw'] as $w)
		$W.=$w.' ';
	$this->_out($W.'] 231 325 500 631 [500] 326 389 500]');
	$this->_out('>>');
	$this->_out('endobj');
	// Font descriptor
	$this->_newobj();
	$this->_out('<</Type /FontDescriptor');
	$this->_out('/FontName /'.$font['name']);
	$this->_out('/Flags 6');
	$this->_out('/FontBBox [0 -200 1000 900]');
	$this->_out('/ItalicAngle 0');
	$this->_out('/Ascent 800');
	$this->_out('/Descent -200');
	$this->_out('/CapHeight 800');
	$this->_out('/StemV 60');
	$this->_out('>>');
	$this->_out('endobj');
}
}
?>