417 lines
11 KiB
PHP
417 lines
11 KiB
PHP
<?php
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require_once 'chinese.php';
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define ('FPDF_UNICODE_ENCODING', 'UCS-2BE');
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class PDF_Unicode extends PDF_Chinese
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{
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var $charset; // input charset. User must add proper fonts by add font functions like AddUniCNShwFont
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var $isUnicode; // whether charset belongs to Unicode
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function PDF_Unicode ($charset = 'UTF-8')
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{
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$this->FPDF ('P', 'mm', 'A4');
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$this->charset = strtoupper(str_replace ('-', '', $charset));
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$this->isUnicode = in_array ($this->charset, array ('UTF8', 'UTF16', 'UCS2'));
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}
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function AddUniCNShwFont ($family='Uni', $name='PMingLiU') // name for Kai font is DFKai-SB
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{
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//Add Unicode font with half-witdh Latin, character code must be utf16be
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for($i=32;$i<=126;$i++)
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$cw[chr($i)]=500;
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$CMap='UniCNS-UCS2-H'; // for compatible with PDF 1.3 (Adobe-CNS1-0), 1.4 (Adobe-CNS1-3), 1.5 (Adobe-CNS1-3)
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//$CMap='UniCNS-UTF16-H'; // for compatible with 1.5 (Adobe-CNS1-4)
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$registry=array('ordering'=>'CNS1','supplement'=>0);
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$this->AddCIDFonts($family,$name,$cw,$CMap,$registry);
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}
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function AddUniCNSFont ($family='Uni', $name='PMingLiU')
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{
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//Add Unicode font with propotional Latin, character code must be utf16be
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$cw=$GLOBALS['Big5_widths'];
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$CMap='UniCNS-UCS2-H';
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$registry=array('ordering'=>'CNS1','supplement'=>0);
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$this->AddCIDFonts($family,$name,$cw,$CMap,$registry);
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}
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function AddUniGBhwFont ($family='uGB', $name='AdobeSongStd-Light')
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{
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//Add Unicode font with half-witdh Latin, character code must be utf16be
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for($i=32;$i<=126;$i++)
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$cw[chr($i)]=500;
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$CMap='UniGB-UCS2-H';
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$registry=array('ordering'=>'GB1','supplement'=>4);
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$this->AddCIDFonts($family,$name,$cw,$CMap,$registry);
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}
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function AddUniGBFont ($family='uGB', $name='AdobeSongStd-Light')
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{
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//Add Unicode font with propotional Latin, character code must be utf16be
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$cw=$GLOBALS['GB_widths'];
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$CMap='UniGB-UCS2-H';
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$registry=array('ordering'=>'GB1','supplement'=>4);
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$this->AddCIDFonts($family,$name,$cw,$CMap,$registry);
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}
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// redefinition of FPDF functions
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function GetStringWidth ($s)
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{
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//Get width of a string in the current font
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if ($this->isUnicode) {
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$txt = mb_convert_encoding ($s, FPDF_UNICODE_ENCODING, $this->charset);
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$oEnc = mb_internal_encoding();
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mb_internal_encoding (FPDF_UNICODE_ENCODING);
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$w = $this->GetUniStringWidth ($txt);
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mb_internal_encoding ($oEnc);
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return $w;
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} else
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return parent::GetStringWidth($s);
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}
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function Text ($x, $y, $txt)
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{
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if ($this->isUnicode) {
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$txt = mb_convert_encoding ($txt, FPDF_UNICODE_ENCODING, $this->charset);
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$oEnc = mb_internal_encoding();
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mb_internal_encoding (FPDF_UNICODE_ENCODING);
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$this->UniText ($x, $y, $txt);
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mb_internal_encoding ($oEnc);
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} else
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parent::Text ($x, $y, $txt);
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}
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function Cell ($w,$h=0,$txt='',$border=0,$ln=0,$align='',$fill=0,$link='')
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{
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if ($this->isUnicode) {
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$txt = mb_convert_encoding ($txt, FPDF_UNICODE_ENCODING, $this->charset);
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$oEnc = mb_internal_encoding();
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mb_internal_encoding (FPDF_UNICODE_ENCODING);
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$this->UniCell ($w, $h, $txt, $border, $ln, $align, $fill, $link);
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mb_internal_encoding ($oEnc);
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} else
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parent::Cell ($w, $h, $txt, $border, $ln, $align, $fill, $link);
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}
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function MultiCell ($w,$h,$txt,$border=0,$align='J',$fill=0)
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{
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if ($this->isUnicode) {
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$txt = mb_convert_encoding ($txt, FPDF_UNICODE_ENCODING, $this->charset);
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$oEnc = mb_internal_encoding();
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mb_internal_encoding (FPDF_UNICODE_ENCODING);
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$this->UniMultiCell ($w, $h, $txt, $border, $align, $fill);
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mb_internal_encoding ($oEnc);
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} else {
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parent::MultiCell ($w, $h, $txt, $border, $align, $fill);
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}
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}
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function Write ($h,$txt,$link='')
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{
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if ($this->isUnicode) {
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$txt = mb_convert_encoding ($txt, FPDF_UNICODE_ENCODING, $this->charset);
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$oEnc = mb_internal_encoding();
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mb_internal_encoding (FPDF_UNICODE_ENCODING);
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$this->UniWrite ($h, $txt, $link);
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mb_internal_encoding ($oEnc);
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} else {
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parent::Write ($h, $txt, $link);
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}
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}
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// implementation in Unicode version
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function GetUniStringWidth ($s)
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{
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//Unicode version of GetStringWidth()
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$l=0;
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$cw=&$this->CurrentFont['cw'];
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$nb=mb_strlen($s);
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$i=0;
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while($i<$nb) {
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$c=mb_substr($s,$i,1);
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$ord = hexdec(bin2hex($c));
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if($ord<128) {
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$l+=$cw[chr($ord)];
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} else {
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$l+=1000;
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}
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$i++;
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}
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return $l*$this->FontSize/1000;
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}
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function UniText ($x, $y, $txt)
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{
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// copied from parent::Text but just modify the line below
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$s=sprintf('BT %.2f %.2f Td <%s> Tj ET',$x*$this->k,($this->h-$y)*$this->k, bin2hex($txt));
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if($this->underline && $txt!='')
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$s.=' '.$this->_dounderline($x,$y,$txt);
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if($this->ColorFlag)
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$s='q '.$this->TextColor.' '.$s.' Q';
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$this->_out($s);
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}
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function UniCell ($w,$h=0,$txt='',$border=0,$ln=0,$align='',$fill=0,$link='')
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{
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// copied from parent::Text but just modify the line with an output "BT %.2f %.2f Td <%s> Tj ET" ...
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$k=$this->k;
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if($this->y+$h>$this->PageBreakTrigger && !$this->InFooter && $this->AcceptPageBreak())
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{
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//Automatic page break
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$x=$this->x;
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$ws=$this->ws;
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if($ws>0)
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{
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$this->ws=0;
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$this->_out('0 Tw');
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}
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$this->AddPage($this->CurOrientation);
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$this->x=$x;
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if($ws>0)
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{
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$this->ws=$ws;
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$this->_out(sprintf('%.3f Tw',$ws*$k));
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}
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}
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if($w==0)
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$w=$this->w-$this->rMargin-$this->x;
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$s='';
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if($fill==1 || $border==1)
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{
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if($fill==1)
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$op=($border==1) ? 'B' : 'f';
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else
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$op='S';
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$s=sprintf('%.2f %.2f %.2f %.2f re %s ',$this->x*$k,($this->h-$this->y)*$k,$w*$k,-$h*$k,$op);
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}
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if(is_string($border))
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{
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$x=$this->x;
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$y=$this->y;
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if(strpos($border,'L')!==false)
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$s.=sprintf('%.2f %.2f m %.2f %.2f l S ',$x*$k,($this->h-$y)*$k,$x*$k,($this->h-($y+$h))*$k);
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if(strpos($border,'T')!==false)
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$s.=sprintf('%.2f %.2f m %.2f %.2f l S ',$x*$k,($this->h-$y)*$k,($x+$w)*$k,($this->h-$y)*$k);
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if(strpos($border,'R')!==false)
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$s.=sprintf('%.2f %.2f m %.2f %.2f l S ',($x+$w)*$k,($this->h-$y)*$k,($x+$w)*$k,($this->h-($y+$h))*$k);
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if(strpos($border,'B')!==false)
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$s.=sprintf('%.2f %.2f m %.2f %.2f l S ',$x*$k,($this->h-($y+$h))*$k,($x+$w)*$k,($this->h-($y+$h))*$k);
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}
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if($txt!=='')
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{
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if($align=='R')
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$dx=$w-$this->cMargin-$this->GetUniStringWidth($txt);
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elseif($align=='C')
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$dx=($w-$this->GetUniStringWidth($txt))/2;
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else
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$dx=$this->cMargin;
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if($this->ColorFlag)
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$s.='q '.$this->TextColor.' ';
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$s.=sprintf('BT %.2f %.2f Td <%s> Tj ET',($this->x+$dx)*$k,
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($this->h-($this->y+.5*$h+.3*$this->FontSize))*$k,bin2hex($txt));
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if($this->underline)
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$s.=' '.$this->_dounderline($this->x+$dx,$this->y+.5*$h+.3*$this->FontSize,$txt);
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if($this->ColorFlag)
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$s.=' Q';
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if($link)
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$this->Link($this->x+$dx,$this->y+.5*$h-.5*$this->FontSize,$this->GetUniStringWidth($txt),$this->FontSize,$link);
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}
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if($s)
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$this->_out($s);
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$this->lasth=$h;
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if($ln>0)
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{
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//Go to next line
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$this->y+=$h;
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if($ln==1)
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$this->x=$this->lMargin;
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}
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else
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$this->x+=$w;
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}
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function UniMultiCell($w,$h,$txt,$border=0,$align='L',$fill=0)
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{
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//Unicode version of MultiCell()
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$enc = mb_internal_encoding();
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$cw=&$this->CurrentFont['cw'];
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if($w==0)
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$w=$this->w-$this->rMargin-$this->x;
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$wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
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$s = $txt;
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$nb=mb_strlen($s);
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if ($nb>0 && mb_substr($s,-1)==mb_convert_encoding("\n", $enc, $this->charset))
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$nb--;
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$b=0;
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if($border)
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{
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if($border==1)
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{
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$border='LTRB';
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$b='LRT';
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$b2='LR';
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}
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else
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{
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$b2='';
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if(is_int(strpos($border,'L')))
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$b2.='L';
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if(is_int(strpos($border,'R')))
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$b2.='R';
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$b=is_int(strpos($border,'T')) ? $b2.'T' : $b2;
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}
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}
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$sep=-1;
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$i=0;
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$j=0;
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$l=0;
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$nl=1;
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while($i<$nb)
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{
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//Get next character
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$c=mb_substr($s,$i,1);
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$ord = hexdec(bin2hex($c));
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$ascii = ($ord < 128);
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if($c==mb_convert_encoding("\n", $enc, $this->charset))
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{
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//Explicit line break
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$this->UniCell($w,$h,mb_substr($s,$j,$i-$j),$b,2,$align,$fill);
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$i++;
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$sep=-1;
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$j=$i;
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$l=0;
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$nl++;
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if($border && $nl==2)
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$b=$b2;
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continue;
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}
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if(!$ascii || $c==mb_convert_encoding(' ', $enc, $this->charset))
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{
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$sep=$i;
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$ls=$l;
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}
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$l+=$ascii ? $cw[chr($ord)] : 1000;
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if($l>$wmax)
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{
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//Automatic line break
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if($sep==-1 || $i==$j)
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{
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if($i==$j)
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$i++; //=$ascii ? 1 : 2;
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$this->UniCell($w,$h,mb_substr($s,$j,$i-$j),$b,2,$align,$fill);
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}
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else
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{
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$this->UniCell($w,$h,mb_substr($s,$j,$sep-$j),$b,2,$align,$fill);
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$i=(mb_substr($s,$sep,1)==mb_convert_encoding(' ', $enc, $this->charset)) ? $sep+1 : $sep;
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}
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$sep=-1;
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$j=$i;
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$l=0;
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$nl++;
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if($border && $nl==2)
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$b=$b2;
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}
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else
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$i++; //=$ascii ? 1 : 2;
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}
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//Last chunk
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if($border && is_int(strpos($border,'B')))
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$b.='B';
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$this->UniCell($w,$h,mb_substr($s,$j,$i-$j),$b,2,$align,$fill);
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$this->x=$this->lMargin;
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}
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function UniWrite($h,$txt,$link='')
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{
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//Unicode version of Write()
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$enc = mb_internal_encoding();
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$cw=&$this->CurrentFont['cw'];
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$w=$this->w-$this->rMargin-$this->x;
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$wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
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$s = $txt;
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$nb=mb_strlen($s);
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$sep=-1;
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$i=0;
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$j=0;
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$l=0;
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$nl=1;
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while($i<$nb)
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{
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//Get next character
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$c=mb_substr($s,$i,1);
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//Check if ASCII or MB
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$ord = hexdec(bin2hex($c));
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$ascii=($ord < 128);
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if($c==mb_convert_encoding("\n", $enc, $this->charset))
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{
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//Explicit line break
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$this->UniCell($w,$h,mb_substr($s,$j,$i-$j),0,2,'',0,$link);
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$i++;
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$sep=-1;
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$j=$i;
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$l=0;
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if($nl==1)
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{
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$this->x=$this->lMargin;
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$w=$this->w-$this->rMargin-$this->x;
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$wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
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}
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$nl++;
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continue;
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}
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if(!$ascii || $c==mb_convert_encoding(' ', $enc, $this->charset))
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$sep=$i;
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$l+=$ascii ? $cw[chr($ord)] : 1000;
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if($l>$wmax)
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{
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//Automatic line break
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if($sep==-1 || $i==$j)
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{
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if($this->x>$this->lMargin)
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{
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//Move to next line
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$this->x=$this->lMargin;
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$this->y+=$h;
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$w=$this->w-$this->rMargin-$this->x;
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$wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
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$i++;
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$nl++;
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continue;
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}
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if($i==$j)
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$i++; //=$ascii ? 1 : 2;
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$this->UniCell($w,$h,mb_substr($s,$j,$i-$j),0,2,'',0,$link);
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}
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else
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{
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$this->UniCell($w,$h,mb_substr($s,$j,$sep-$j),0,2,'',0,$link);
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$i=(mb_substr($s,$sep,1)==mb_convert_encoding(' ', $enc, $this->charset)) ? $sep+1 : $sep;
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}
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$sep=-1;
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$j=$i;
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$l=0;
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if($nl==1)
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{
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$this->x=$this->lMargin;
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$w=$this->w-$this->rMargin-$this->x;
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$wmax=($w-2*$this->cMargin)*1000/$this->FontSize;
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}
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$nl++;
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}
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else
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$i++; //=$ascii ? 1 : 2;
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}
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//Last chunk
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if($i!=$j)
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$this->UniCell($l/1000*$this->FontSize,$h,mb_substr($s,$j,$i-$j),0,0,'',0,$link);
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}
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}
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?>
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