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SemmelstatzR/trunk/includes/pChart/class/pBarcode128.class.php
oldperl bdf227442d edit: phpdoc stuff
add: pChart lib - no more usage of google api. There has to be the wp-content/cache writable for images
add: test-folder for later use
new: class agents, new isBot-functionality within this class, old function is deprecated, uses an ini-file with botnames
2011-11-14 14:21:22 +00:00

184 Zeilen
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PHP

<?php
/*
pBarcode128 - class to create barcodes (128B)
Version : 2.1.3
Made by : Jean-Damien POGOLOTTI
Last Update : 09/09/11
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 pBarcode128
{
var $Codes;
var $Reverse;
var $Result;
var $pChartObject;
var $CRC;
/* Class creator */
function pBarcode128($BasePath="")
{
$this->Codes = "";
$this->Reverse = "";
$FileHandle = @fopen($BasePath."data/128B.db", "r");
if (!$FileHandle) { die("Cannot find barcode database (".$BasePath."128B.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[1]]["ID"] = $Values[0];
$this->Codes[$Values[1]]["Code"] = $Values[2];
$this->Reverse[$Values[0]]["Code"] = $Values[2];
$this->Reverse[$Values[0]]["Asc"] = $Values[1];
}
fclose($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 = $this->encode128($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"=>$AreaHeight));
}
function encode128($Value,$Format="")
{
$this->Result = "11010010000";
$this->CRC = 104;
$TextString = "";
for($i=1;$i<=strlen($Value);$i++)
{
$CharCode = ord($this->mid($Value,$i,1));
if ( isset($this->Codes[$CharCode]) )
{
$this->Result = $this->Result.$this->Codes[$CharCode]["Code"];
$this->CRC = $this->CRC + $i*$this->Codes[$CharCode]["ID"];
$TextString = $TextString.chr($CharCode);
}
}
$this->CRC = $this->CRC - floor($this->CRC/103)*103;
$this->Result = $this->Result.$this->Reverse[$this->CRC]["Code"];
$this->Result = $this->Result."1100011101011";
return($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 = $this->encode128($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,$Settings);
}
}
function left($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); }
}
?>