1. Import
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218
html/include/barcode_php7/class/BCGBarcode.php
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218
html/include/barcode_php7/class/BCGBarcode.php
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<?php
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/**
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* BCGBarcode.php
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*--------------------------------------------------------------------
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*
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* Base class for Barcode 1D and 2D
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*
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*--------------------------------------------------------------------
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* Revision History
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* v2.0.0 23 apr 2008 Jean-Sébastien Goupil New Version Update
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*--------------------------------------------------------------------
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* $Id: BCGBarcode.php,v 1.12 2010/02/14 00:25:14 jsgoupil Exp $
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* PHP5-Revision: 1.13
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*--------------------------------------------------------------------
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* Copyright (C) Jean-Sebastien Goupil
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* http://www.barcodephp.com
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*/
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include_once('BCGColor.php');
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class BCGBarcode { // abstract
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var $COLOR_BG = 0; // const
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var $COLOR_FG = 1; // const
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var $error; // protected
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var $colorFg, $colorBg; // Color Foreground, Barckground
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var $scale; // Scale of the graphic, default: 1
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var $offsetX, $offsetY; // Position where to start the drawing
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function BCGBarcode() { // protected
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$this->setForegroundColor(0x000000);
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$this->setBackgroundColor(0xffffff);
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$this->setScale(1);
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$this->setOffsetX(0);
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$this->setOffsetY(0);
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$this->error = 0;
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}
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/**
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* Parses the text before displaying it.
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*
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* @param mixed $text
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*/
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function parse($text) {} // public abstract
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/**
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* Sets the foreground color of the barcode. It could be a BCGColor
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* value or simply a language code (white, black, yellow...) or hex value.
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*
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* @param mixed $code
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*/
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function setForegroundColor($code) {
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if(is_a($code, 'BCGColor')) {
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$this->colorFg =& $code;
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} else {
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$this->colorFg = new BCGColor($code);
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}
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}
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/**
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* Sets the background color of the barcode. It could be a BCGColor
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* value or simply a language code (white, black, yellow...) or hex value.
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*
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* @param mixed $code
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*/
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function setBackgroundColor($code) {
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if(is_a($code, 'BCGColor')) {
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$this->colorBg =& $code;
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} else {
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$this->colorBg = new BCGColor($code);
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}
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}
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/**
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* Sets the color
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*
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* @param mixed $fg
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* @param mixed $bg
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*/
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function setColor($fg, $bg) {
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$this->setForegroundColor($fg);
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$this->setBackgroundColor($bg);
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}
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function getScale() {
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return $this->scale;
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}
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function setScale($scale) {
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$scale = intval($scale);
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if($scale <= 0) {
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$scale = 1;
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}
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$this->scale = $scale;
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}
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function draw(&$im) {} // public abstract
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/**
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* Returns the maximal size of a barcode.
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* [0]->width
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* [1]->height
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*
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* @return int[]
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*/
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function getMaxSize() {
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return array($this->offsetX * $this->scale, $this->offsetY * $this->scale);
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}
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/**
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* Sets the X offset
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*
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* @param int $offsetX
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*/
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function setOffsetX($offsetX) {
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$offsetX = intval($offsetX);
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if($offsetX < 0) {
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$offsetX = 0;
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}
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$this->offsetX = $offsetX;
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}
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/**
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* Sets the Y offset
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*
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* @param int $offsetY
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*/
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function setOffsetY($offsetY) {
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$offsetY = intval($offsetY);
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if($offsetY < 0) {
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$offsetY = 0;
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}
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$this->offsetY = $offsetY;
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}
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function drawPixel(&$im, $x, $y, $color = 1) { // protected
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$xR = ($x + $this->offsetX) * $this->scale;
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$yR = ($y + $this->offsetY) * $this->scale;
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// we always draw a rectangle
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imagefilledrectangle($im,
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$xR,
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$yR,
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$xR + $this->scale - 1,
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$yR + $this->scale - 1,
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$this->getColor($im, $color));
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}
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function drawRectangle(&$im, $x1, $y1, $x2, $y2, $color = 1) { // protected
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if($this->scale === 1) {
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imagerectangle($im,
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($x1 + $this->offsetX) * $this->scale,
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($y1 + $this->offsetY) * $this->scale,
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($x2 + $this->offsetX) * $this->scale,
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($y2 + $this->offsetY) * $this->scale,
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$this->getColor($im, $color));
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} else {
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imagefilledrectangle($im, ($x1 + $this->offsetX) * $this->scale, ($y1 + $this->offsetY) * $this->scale, ($x2 + $this->offsetX) * $this->scale + $this->scale - 1, ($y1 + $this->offsetY) * $this->scale + $this->scale - 1, $this->getColor($im, $color));
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imagefilledrectangle($im, ($x1 + $this->offsetX) * $this->scale, ($y1 + $this->offsetY) * $this->scale, ($x1 + $this->offsetX) * $this->scale + $this->scale - 1, ($y2 + $this->offsetY) * $this->scale + $this->scale - 1, $this->getColor($im, $color));
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imagefilledrectangle($im, ($x2 + $this->offsetX) * $this->scale, ($y1 + $this->offsetY) * $this->scale, ($x2 + $this->offsetX) * $this->scale + $this->scale - 1, ($y2 + $this->offsetY) * $this->scale + $this->scale - 1, $this->getColor($im, $color));
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imagefilledrectangle($im, ($x1 + $this->offsetX) * $this->scale, ($y2 + $this->offsetY) * $this->scale, ($x2 + $this->offsetX) * $this->scale + $this->scale - 1, ($y2 + $this->offsetY) * $this->scale + $this->scale - 1, $this->getColor($im, $color));
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}
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}
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function drawFilledRectangle(&$im, $x1, $y1, $x2, $y2, $color = 1) { // protected
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if($x1 > $x2) { // Swap
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$x1 ^= $x2 ^= $x1 ^= $x2;
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}
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if($y1 > $y2) { // Swap
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$y1 ^= $y2 ^= $y1 ^= $y2;
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}
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imagefilledrectangle($im,
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($x1 + $this->offsetX) * $this->scale,
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($y1 + $this->offsetY) * $this->scale,
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($x2 + $this->offsetX) * $this->scale + $this->scale - 1,
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($y2 + $this->offsetY) * $this->scale + $this->scale - 1,
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$this->getColor($im, $color));
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}
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function getColor(&$im, $color) { // protected
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if($color === $this->COLOR_BG) {
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return $this->colorBg->allocate($im);
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} else {
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return $this->colorFg->allocate($im);
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}
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}
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/**
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* Writes the Error on the picture
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*
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* @param ressource $img
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* @param string $text
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*/
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function drawError(&$im, $text) { // protected
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// Is the image big enough?
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$w = imagesx($im);
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$h = imagesy($im);
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$text = 'Error: ' . $text;
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$width = imagefontwidth(2) * strlen($text);
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$height = imagefontheight(2) + $this->error * 15;
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if($width > $w || $height > $h) {
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$width = max($w, $width);
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$height = max($h, $height);
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// We change the size of the image
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$newimg = imagecreatetruecolor($width, $height);
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imagefill($newimg, 0, 0, imagecolorat($im, 0, 0));
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imagecopy($newimg, $im, 0, 0, 0, 0, $w, $h);
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$im = $newimg;
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}
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imagestring($im, 2, 0, $this->error * 15, $text, $this->colorFg->allocate($im));
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$this->error++;
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}
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}
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?>
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