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247 lines
8.4 KiB
247 lines
8.4 KiB
<?php
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namespace CpChart\Classes;
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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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class pBarcode39
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{
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public $Codes;
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public $Reverse;
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public $Result;
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public $pChartObject;
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public $CRC;
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public $MOD43;
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/**
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* Class constructor
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* @param type $BasePath
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* @param type $EnableMOD43
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* @throws \Exception
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*/
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function __construct($BasePath = "", $EnableMOD43 = false)
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{
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$this->MOD43 = $EnableMOD43;
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$this->Codes = "";
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$this->Reverse = "";
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if (file_exists($BasePath."data/39.db", "r")) {
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$FileHandle = @fopen($BasePath."data/39.db", "r");
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$filePath = $BasePath."data/39.db";
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} else {
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$FileHandle = @fopen(__DIR__.'/../Resources/data/39.db', "r");
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$filePath = "/../Resources/data/39.db";
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}
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if (!$FileHandle) {
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throw new \Exception(
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"Cannot find barcode database (".$filePath.")."
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);
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}
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while (!feof($FileHandle)) {
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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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/**
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* Return the projected size of a barcode
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* @param type $TextString
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* @param type $Format
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* @return type
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*/
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function getSize($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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$WOffset = $DrawArea ? 20 : 0 ;
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$HOffset = $ShowLegend ? $FontSize + $LegendOffset + $WOffset : 0;
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$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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/**
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* Create the encoded string
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* @param type $Value
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* @return string
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*/
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function encode39($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); $i++) {
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$CharCode = ord($this->mid($Value,$i,1));
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if ($CharCode >= 97 && $CharCode <= 122) {
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$CharCode = $CharCode - 32;
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}
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if (isset($this->Codes[chr($CharCode)])) {
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$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 ($this->MOD43) {
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$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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/**
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* Create the encoded string
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* @param type $Object
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* @param type $Value
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* @param type $X
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* @param type $Y
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* @param type $Format
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*/
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function draw($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 ($DrawArea) {
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$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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$X3 = $X2 + cos(($Angle+90) * PI / 180)
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* ($Height+$LegendOffset+$this->pChartObject->FontSize+10);
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$Y3 = $Y2 + sin(($Angle+90) * PI / 180)
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* ($Height+$LegendOffset+$this->pChartObject->FontSize+10);
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} else {
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$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(
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"R" => $AreaR,
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"G" => $AreaG,
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"B" =>$AreaB,
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"BorderR" => $AreaBorderR,
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"BorderG" => $AreaBorderG,
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"BorderB" => $AreaBorderB
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);
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$this->pChartObject->drawPolygon($Polygon,$Settings);
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}
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for ($i=1; $i <= strlen($this->Result); $i++) {
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if ($this->mid($this->Result,$i,1) == 1) {
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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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$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(
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"R" => $R,
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"G" => $G,
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"B" => $B,
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"Alpha" => $Alpha,
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"Angle" => -$Angle,
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"Align" => TEXT_ALIGN_TOPMIDDLE
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);
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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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}
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return substr( $charset, ($checksum % 43), 1 );
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}
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function left($value, $NbChar)
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{
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return substr($value, 0, $NbChar);
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}
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function right($value, $NbChar)
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{
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return substr($value, strlen($value) - $NbChar, $NbChar);
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}
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function mid($value, $Depart, $NbChar)
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{
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return substr($value, $Depart-1, $NbChar);
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}
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} |