--- a/lib/pChart2.1.0/class/pBarcode39.class.php +++ b/lib/pChart2.1.0/class/pBarcode39.class.php @@ -1,1 +1,200 @@ - +<?php + /* + pBarcode39 - class to create barcodes (39B) + + Version : 2.1.0 + Made by : Jean-Damien POGOLOTTI + Last Update : 26/01/11 + + This file can be distributed under the license you can find at : + + http://www.pchart.net/license + + You can find the whole class documentation on the pChart web site. + */ + + /* pData class definition */ + class pBarcode39 + { + var $Codes; + var $Reverse; + var $Result; + var $pChartObject; + var $CRC; + var $MOD43; + + /* Class creator */ + function pBarcode39($BasePath="",$EnableMOD43=FALSE) + { + $this->MOD43 = $EnableMOD43; + $this->Codes = ""; + $this->Reverse = ""; + + $FileHandle = @fopen($BasePath."data/39.db", "r"); + + if (!$FileHandle) { die("Cannot find barcode database (".$BasePath."data/39.db)."); } + + while (!feof($FileHandle)) + { + $Buffer = fgets($FileHandle,4096); + $Buffer = str_replace(chr(10),"",$Buffer); + $Buffer = str_replace(chr(13),"",$Buffer); + $Values = preg_split("/;/",$Buffer); + + $this->Codes[$Values[0]] = $Values[1]; + } + fclose($FileHandle); + } + + /* Return the projected size of a barcode */ + function getSize($TextString,$Format="") + { + $Angle = isset($Format["Angle"]) ? $Format["Angle"] : 0; + $ShowLegend = isset($Format["ShowLegend"]) ? $Format["ShowLegend"] : FALSE; + $LegendOffset = isset($Format["LegendOffset"]) ? $Format["LegendOffset"] : 5; + $DrawArea = isset($Format["DrawArea"]) ? $Format["DrawArea"] : FALSE; + $FontSize = isset($Format["FontSize"]) ? $Format["FontSize"] : 12; + $Height = isset($Format["Height"]) ? $Format["Height"] : 30; + + $TextString = $this->encode39($TextString); + $BarcodeLength = strlen($this->Result); + + if ( $DrawArea ) { $WOffset = 20; } else { $WOffset = 0; } + if ( $ShowLegend ) { $HOffset = $FontSize+$LegendOffset+$WOffset; } else { $HOffset = 0; } + + $X1 = cos($Angle * PI / 180) * ($WOffset+$BarcodeLength); + $Y1 = sin($Angle * PI / 180) * ($WOffset+$BarcodeLength); + + $X2 = $X1 + cos(($Angle+90) * PI / 180) * ($HOffset+$Height); + $Y2 = $Y1 + sin(($Angle+90) * PI / 180) * ($HOffset+$Height); + + + $AreaWidth = max(abs($X1),abs($X2)); + $AreaHeight = max(abs($Y1),abs($Y2)); + + return(array("Width"=>$AreaWidth,"Height"=>$AreaHeight)); + } + + /* Create the encoded string */ + function encode39($Value) + { + $this->Result = "100101101101"."0"; + $TextString = ""; + for($i=1;$i<=strlen($Value);$i++) + { + $CharCode = ord($this->mid($Value,$i,1)); + if ( $CharCode >= 97 && $CharCode <= 122 ) { $CharCode = $CharCode - 32; } + + if ( isset($this->Codes[chr($CharCode)]) ) + { + $this->Result = $this->Result.$this->Codes[chr($CharCode)]."0"; + $TextString = $TextString.chr($CharCode); + } + } + + if ( $this->MOD43 ) + { + $Checksum = $this->checksum($TextString); + $this->Result = $this->Result.$this->Codes[$Checksum]."0"; + } + + $this->Result = $this->Result."100101101101"; + $TextString = "*".$TextString."*"; + + return($TextString); + } + + /* Create the encoded string */ + function draw($Object,$Value,$X,$Y,$Format="") + { + $this->pChartObject = $Object; + + $R = isset($Format["R"]) ? $Format["R"] : 0; + $G = isset($Format["G"]) ? $Format["G"] : 0; + $B = isset($Format["B"]) ? $Format["B"] : 0; + $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100; + $Height = isset($Format["Height"]) ? $Format["Height"] : 30; + $Angle = isset($Format["Angle"]) ? $Format["Angle"] : 0; + $ShowLegend = isset($Format["ShowLegend"]) ? $Format["ShowLegend"] : FALSE; + $LegendOffset = isset($Format["LegendOffset"]) ? $Format["LegendOffset"] : 5; + $DrawArea = isset($Format["DrawArea"]) ? $Format["DrawArea"] : FALSE; + $AreaR = isset($Format["AreaR"]) ? $Format["AreaR"] : 255; + $AreaG = isset($Format["AreaG"]) ? $Format["AreaG"] : 255; + $AreaB = isset($Format["AreaB"]) ? $Format["AreaB"] : 255; + $AreaBorderR = isset($Format["AreaBorderR"]) ? $Format["AreaBorderR"] : $AreaR; + $AreaBorderG = isset($Format["AreaBorderG"]) ? $Format["AreaBorderG"] : $AreaG; + $AreaBorderB = isset($Format["AreaBorderB"]) ? $Format["AreaBorderB"] : $AreaB; + + $TextString = $this->encode39($Value); + + if ( $DrawArea ) + { + $X1 = $X + cos(($Angle-135) * PI / 180) * 10; + $Y1 = $Y + sin(($Angle-135) * PI / 180) * 10; + + $X2 = $X1 + cos($Angle * PI / 180) * (strlen($this->Result)+20); + $Y2 = $Y1 + sin($Angle * PI / 180) * (strlen($this->Result)+20); + + if ( $ShowLegend ) + { + $X3 = $X2 + cos(($Angle+90) * PI / 180) * ($Height+$LegendOffset+$this->pChartObject->FontSize+10); + $Y3 = $Y2 + sin(($Angle+90) * PI / 180) * ($Height+$LegendOffset+$this->pChartObject->FontSize+10); + } + else + { + $X3 = $X2 + cos(($Angle+90) * PI / 180) * ($Height+20); + $Y3 = $Y2 + sin(($Angle+90) * PI / 180) * ($Height+20); + } + + $X4 = $X3 + cos(($Angle+180) * PI / 180) * (strlen($this->Result)+20); + $Y4 = $Y3 + sin(($Angle+180) * PI / 180) * (strlen($this->Result)+20); + + $Polygon = array($X1,$Y1,$X2,$Y2,$X3,$Y3,$X4,$Y4); + $Settings = array("R"=>$AreaR,"G"=>$AreaG,"B"=>$AreaB,"BorderR"=>$AreaBorderR,"BorderG"=>$AreaBorderG,"BorderB"=>$AreaBorderB); + $this->pChartObject->drawPolygon($Polygon,$Settings); + } + + for($i=1;$i<=strlen($this->Result);$i++) + { + if ( $this->mid($this->Result,$i,1) == 1 ) + { + $X1 = $X + cos($Angle * PI / 180) * $i; + $Y1 = $Y + sin($Angle * PI / 180) * $i; + $X2 = $X1 + cos(($Angle+90) * PI / 180) * $Height; + $Y2 = $Y1 + sin(($Angle+90) * PI / 180) * $Height; + + $Settings = array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha); + $this->pChartObject->drawLine($X1,$Y1,$X2,$Y2,$Settings); + } + } + + if ( $ShowLegend ) + { + $X1 = $X + cos($Angle * PI / 180) * (strlen($this->Result)/2); + $Y1 = $Y + sin($Angle * PI / 180) * (strlen($this->Result)/2); + + $LegendX = $X1 + cos(($Angle+90) * PI / 180) * ($Height+$LegendOffset); + $LegendY = $Y1 + sin(($Angle+90) * PI / 180) * ($Height+$LegendOffset); + + $Settings = array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Angle"=>-$Angle,"Align"=>TEXT_ALIGN_TOPMIDDLE); + $this->pChartObject->drawText($LegendX,$LegendY,$TextString,$Settings); + } + } + + function checksum( $string ) + { + $checksum = 0; + $length = strlen( $string ); + $charset = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%'; + + for( $i=0; $i < $length; ++$i ) + $checksum += strpos( $charset, $string[$i] ); + + return substr( $charset, ($checksum % 43), 1 ); + } + + function left($value,$NbChar) { return substr($value,0,$NbChar); } + function right($value,$NbChar) { return substr($value,strlen($value)-$NbChar,$NbChar); } + function mid($value,$Depart,$NbChar) { return substr($value,$Depart-1,$NbChar); } + } +?>