79e3c052e2
For the host name set, if there is no data in the HTTP_HOST var, then set it to NA instead. Also default set to port 80 if no port info could be found.
200 lines
7.1 KiB
PHP
200 lines
7.1 KiB
PHP
<?php
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/*
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pBarcode39 - class to create barcodes (39B)
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Version : 2.1.4
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Made by : Jean-Damien POGOLOTTI
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Last Update : 19/01/2014
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This file can be distributed under the license you can find at :
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http://www.pchart.net/license
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You can find the whole class documentation on the pChart web site.
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*/
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/* pData class definition */
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class pBarcode39
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{
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var $Codes;
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var $Reverse;
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var $Result;
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var $pChartObject;
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var $CRC;
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var $MOD43;
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/* Class creator */
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function pBarcode39($BasePath="",$EnableMOD43=FALSE)
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{
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$this->MOD43 = $EnableMOD43;
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$this->Codes = "";
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$this->Reverse = "";
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$FileHandle = @fopen($BasePath."data/39.db", "r");
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if (!$FileHandle) { die("Cannot find barcode database (".$BasePath."data/39.db)."); }
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while (!feof($FileHandle))
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{
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$Buffer = fgets($FileHandle,4096);
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$Buffer = str_replace(chr(10),"",$Buffer);
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$Buffer = str_replace(chr(13),"",$Buffer);
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$Values = preg_split("/;/",$Buffer);
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$this->Codes[$Values[0]] = $Values[1];
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}
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fclose($FileHandle);
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}
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/* Return the projected size of a barcode */
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function getSize($TextString,$Format="")
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{
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$Angle = isset($Format["Angle"]) ? $Format["Angle"] : 0;
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$ShowLegend = isset($Format["ShowLegend"]) ? $Format["ShowLegend"] : FALSE;
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$LegendOffset = isset($Format["LegendOffset"]) ? $Format["LegendOffset"] : 5;
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$DrawArea = isset($Format["DrawArea"]) ? $Format["DrawArea"] : FALSE;
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$FontSize = isset($Format["FontSize"]) ? $Format["FontSize"] : 12;
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$Height = isset($Format["Height"]) ? $Format["Height"] : 30;
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$TextString = $this->encode39($TextString);
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$BarcodeLength = strlen($this->Result);
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if ( $DrawArea ) { $WOffset = 20; } else { $WOffset = 0; }
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if ( $ShowLegend ) { $HOffset = $FontSize+$LegendOffset+$WOffset; } else { $HOffset = 0; }
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$X1 = cos($Angle * PI / 180) * ($WOffset+$BarcodeLength);
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$Y1 = sin($Angle * PI / 180) * ($WOffset+$BarcodeLength);
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$X2 = $X1 + cos(($Angle+90) * PI / 180) * ($HOffset+$Height);
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$Y2 = $Y1 + sin(($Angle+90) * PI / 180) * ($HOffset+$Height);
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$AreaWidth = max(abs($X1),abs($X2));
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$AreaHeight = max(abs($Y1),abs($Y2));
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return(array("Width"=>$AreaWidth,"Height"=>$AreaHeight));
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}
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/* Create the encoded string */
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function encode39($Value)
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{
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$this->Result = "100101101101"."0";
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$TextString = "";
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for($i=1;$i<=strlen($Value);$i++)
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{
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$CharCode = ord($this->mid($Value,$i,1));
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if ( $CharCode >= 97 && $CharCode <= 122 ) { $CharCode = $CharCode - 32; }
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if ( isset($this->Codes[chr($CharCode)]) )
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{
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$this->Result = $this->Result.$this->Codes[chr($CharCode)]."0";
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$TextString = $TextString.chr($CharCode);
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}
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}
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if ( $this->MOD43 )
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{
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$Checksum = $this->checksum($TextString);
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$this->Result = $this->Result.$this->Codes[$Checksum]."0";
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}
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$this->Result = $this->Result."100101101101";
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$TextString = "*".$TextString."*";
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return($TextString);
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}
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/* Create the encoded string */
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function draw($Object,$Value,$X,$Y,$Format="")
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{
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$this->pChartObject = $Object;
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$R = isset($Format["R"]) ? $Format["R"] : 0;
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$G = isset($Format["G"]) ? $Format["G"] : 0;
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$B = isset($Format["B"]) ? $Format["B"] : 0;
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$Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
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$Height = isset($Format["Height"]) ? $Format["Height"] : 30;
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$Angle = isset($Format["Angle"]) ? $Format["Angle"] : 0;
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$ShowLegend = isset($Format["ShowLegend"]) ? $Format["ShowLegend"] : FALSE;
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$LegendOffset = isset($Format["LegendOffset"]) ? $Format["LegendOffset"] : 5;
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$DrawArea = isset($Format["DrawArea"]) ? $Format["DrawArea"] : FALSE;
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$AreaR = isset($Format["AreaR"]) ? $Format["AreaR"] : 255;
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$AreaG = isset($Format["AreaG"]) ? $Format["AreaG"] : 255;
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$AreaB = isset($Format["AreaB"]) ? $Format["AreaB"] : 255;
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$AreaBorderR = isset($Format["AreaBorderR"]) ? $Format["AreaBorderR"] : $AreaR;
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$AreaBorderG = isset($Format["AreaBorderG"]) ? $Format["AreaBorderG"] : $AreaG;
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$AreaBorderB = isset($Format["AreaBorderB"]) ? $Format["AreaBorderB"] : $AreaB;
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$TextString = $this->encode39($Value);
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if ( $DrawArea )
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{
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$X1 = $X + cos(($Angle-135) * PI / 180) * 10;
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$Y1 = $Y + sin(($Angle-135) * PI / 180) * 10;
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$X2 = $X1 + cos($Angle * PI / 180) * (strlen($this->Result)+20);
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$Y2 = $Y1 + sin($Angle * PI / 180) * (strlen($this->Result)+20);
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if ( $ShowLegend )
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{
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$X3 = $X2 + cos(($Angle+90) * PI / 180) * ($Height+$LegendOffset+$this->pChartObject->FontSize+10);
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$Y3 = $Y2 + sin(($Angle+90) * PI / 180) * ($Height+$LegendOffset+$this->pChartObject->FontSize+10);
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}
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else
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{
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$X3 = $X2 + cos(($Angle+90) * PI / 180) * ($Height+20);
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$Y3 = $Y2 + sin(($Angle+90) * PI / 180) * ($Height+20);
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}
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$X4 = $X3 + cos(($Angle+180) * PI / 180) * (strlen($this->Result)+20);
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$Y4 = $Y3 + sin(($Angle+180) * PI / 180) * (strlen($this->Result)+20);
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$Polygon = array($X1,$Y1,$X2,$Y2,$X3,$Y3,$X4,$Y4);
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$Settings = array("R"=>$AreaR,"G"=>$AreaG,"B"=>$AreaB,"BorderR"=>$AreaBorderR,"BorderG"=>$AreaBorderG,"BorderB"=>$AreaBorderB);
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$this->pChartObject->drawPolygon($Polygon,$Settings);
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}
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for($i=1;$i<=strlen($this->Result);$i++)
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{
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if ( $this->mid($this->Result,$i,1) == 1 )
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{
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$X1 = $X + cos($Angle * PI / 180) * $i;
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$Y1 = $Y + sin($Angle * PI / 180) * $i;
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$X2 = $X1 + cos(($Angle+90) * PI / 180) * $Height;
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$Y2 = $Y1 + sin(($Angle+90) * PI / 180) * $Height;
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$Settings = array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha);
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$this->pChartObject->drawLine($X1,$Y1,$X2,$Y2,$Settings);
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}
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}
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if ( $ShowLegend )
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{
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$X1 = $X + cos($Angle * PI / 180) * (strlen($this->Result)/2);
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$Y1 = $Y + sin($Angle * PI / 180) * (strlen($this->Result)/2);
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$LegendX = $X1 + cos(($Angle+90) * PI / 180) * ($Height+$LegendOffset);
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$LegendY = $Y1 + sin(($Angle+90) * PI / 180) * ($Height+$LegendOffset);
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$Settings = array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Angle"=>-$Angle,"Align"=>TEXT_ALIGN_TOPMIDDLE);
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$this->pChartObject->drawText($LegendX,$LegendY,$TextString,$Settings);
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}
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}
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function checksum( $string )
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{
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$checksum = 0;
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$length = strlen( $string );
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$charset = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%';
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for( $i=0; $i < $length; ++$i )
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$checksum += strpos( $charset, $string[$i] );
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return substr( $charset, ($checksum % 43), 1 );
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}
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function left($value,$NbChar) { return substr($value,0,$NbChar); }
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function right($value,$NbChar) { return substr($value,strlen($value)-$NbChar,$NbChar); }
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function mid($value,$Depart,$NbChar) { return substr($value,$Depart-1,$NbChar); }
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}
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?>
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