diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Barcode/Renderer/Image.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Barcode/Renderer/Image.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,470 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Barcode
+ * @subpackage Renderer
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Image.php 22999 2010-09-23 19:43:14Z mikaelkael $
+ */
+
+/** @see Zend_Barcode_Renderer_RendererAbstract*/
+require_once 'Zend/Barcode/Renderer/RendererAbstract.php';
+
+/**
+ * Class for rendering the barcode as image
+ *
+ * @category   Zend
+ * @package    Zend_Barcode
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Barcode_Renderer_Image extends Zend_Barcode_Renderer_RendererAbstract
+{
+    /**
+     * List of authorized output format
+     * @var array
+     */
+    protected $_allowedImageType = array(
+        'png',
+        'jpeg',
+        'gif',
+    );
+
+    /**
+     * Image format
+     * @var string
+     */
+    protected $_imageType = 'png';
+
+    /**
+     * Resource for the image
+     * @var resource
+     */
+    protected $_resource = null;
+
+    /**
+     * Resource for the font and bars color of the image
+     * @var integer
+     */
+    protected $_imageForeColor = null;
+
+    /**
+     * Resource for the background color of the image
+     * @var integer
+     */
+    protected $_imageBackgroundColor = null;
+
+    /**
+     * Height of the rendered image wanted by user
+     * @var integer
+     */
+    protected $_userHeight = 0;
+
+    /**
+     * Width of the rendered image wanted by user
+     * @var integer
+     */
+    protected $_userWidth = 0;
+
+    public function __construct($options = null)
+    {
+        if (!function_exists('gd_info')) {
+            require_once 'Zend/Barcode/Renderer/Exception.php';
+            throw new Zend_Barcode_Renderer_Exception('Zend_Barcode_Renderer_Image requires the GD extension');
+        }
+
+        parent::__construct($options);
+    }
+
+    /**
+     * Set height of the result image
+     * @param null|integer $value
+     * @return Zend_Image_Barcode_Abstract
+     * @throw Zend_Image_Barcode_Exception
+     */
+    public function setHeight($value)
+    {
+        if (!is_numeric($value) || intval($value) < 0) {
+            require_once 'Zend/Barcode/Renderer/Exception.php';
+            throw new Zend_Barcode_Renderer_Exception(
+                'Image height must be greater than or equals 0'
+            );
+        }
+        $this->_userHeight = intval($value);
+        return $this;
+    }
+
+    /**
+     * Get barcode height
+     *
+     * @return int
+     */
+    public function getHeight()
+    {
+        return $this->_userHeight;
+    }
+
+    /**
+     * Set barcode width
+     *
+     * @param mixed $value
+     * @return void
+     */
+    public function setWidth($value)
+    {
+        if (!is_numeric($value) || intval($value) < 0) {
+            require_once 'Zend/Barcode/Renderer/Exception.php';
+            throw new Zend_Barcode_Renderer_Exception(
+                'Image width must be greater than or equals 0'
+            );
+        }
+        $this->_userWidth = intval($value);
+        return $this;
+    }
+
+    /**
+     * Get barcode width
+     *
+     * @return int
+     */
+    public function getWidth()
+    {
+        return $this->_userWidth;
+    }
+
+    /**
+     * Set an image resource to draw the barcode inside
+     *
+     * @param resource $value
+     * @return Zend_Barcode_Renderer
+     * @throw Zend_Barcode_Renderer_Exception
+     */
+    public function setResource($image)
+    {
+        if (gettype($image) != 'resource' || get_resource_type($image) != 'gd') {
+            require_once 'Zend/Barcode/Renderer/Exception.php';
+            throw new Zend_Barcode_Renderer_Exception(
+                'Invalid image resource provided to setResource()'
+            );
+        }
+        $this->_resource = $image;
+        return $this;
+    }
+
+    /**
+     * Set the image type to produce (png, jpeg, gif)
+     *
+     * @param string $value
+     * @return Zend_Barcode_RendererAbstract
+     * @throw Zend_Barcode_Renderer_Exception
+     */
+    public function setImageType($value)
+    {
+        if ($value == 'jpg') {
+            $value = 'jpeg';
+        }
+
+        if (!in_array($value, $this->_allowedImageType)) {
+            require_once 'Zend/Barcode/Renderer/Exception.php';
+            throw new Zend_Barcode_Renderer_Exception(sprintf(
+                'Invalid type "%s" provided to setImageType()',
+                $value
+            ));
+        }
+
+        $this->_imageType = $value;
+        return $this;
+    }
+
+    /**
+     * Retrieve the image type to produce
+     *
+     * @return string
+     */
+    public function getImageType()
+    {
+        return $this->_imageType;
+    }
+
+    /**
+     * Initialize the image resource
+     *
+     * @return void
+     */
+    protected function _initRenderer()
+    {
+        if (!extension_loaded('gd')) {
+            require_once 'Zend/Barcode/Exception.php';
+            $e = new Zend_Barcode_Exception(
+                'Gd extension must be loaded to render barcode as image'
+            );
+            $e->setIsRenderable(false);
+            throw $e;
+        }
+
+        $barcodeWidth  = $this->_barcode->getWidth(true);
+        $barcodeHeight = $this->_barcode->getHeight(true);
+
+        if ($this->_resource !== null) {
+            $foreColor       = $this->_barcode->getForeColor();
+            $backgroundColor = $this->_barcode->getBackgroundColor();
+            $this->_imageBackgroundColor = imagecolorallocate(
+                $this->_resource,
+                ($backgroundColor & 0xFF0000) >> 16,
+                ($backgroundColor & 0x00FF00) >> 8,
+                $backgroundColor & 0x0000FF
+            );
+            $this->_imageForeColor = imagecolorallocate(
+                $this->_resource,
+                ($foreColor & 0xFF0000) >> 16,
+                ($foreColor & 0x00FF00) >> 8,
+                $foreColor & 0x0000FF
+            );
+        } else {
+            $width = $barcodeWidth;
+            $height = $barcodeHeight;
+            if ($this->_userWidth && $this->_barcode->getType() != 'error') {
+                $width = $this->_userWidth;
+            }
+            if ($this->_userHeight && $this->_barcode->getType() != 'error') {
+                $height = $this->_userHeight;
+            }
+
+            $foreColor       = $this->_barcode->getForeColor();
+            $backgroundColor = $this->_barcode->getBackgroundColor();
+            $this->_resource = imagecreatetruecolor($width, $height);
+
+            $this->_imageBackgroundColor = imagecolorallocate(
+                $this->_resource,
+                ($backgroundColor & 0xFF0000) >> 16,
+                ($backgroundColor & 0x00FF00) >> 8,
+                $backgroundColor & 0x0000FF
+            );
+            $this->_imageForeColor = imagecolorallocate(
+                $this->_resource,
+                ($foreColor & 0xFF0000) >> 16,
+                ($foreColor & 0x00FF00) >> 8,
+                $foreColor & 0x0000FF
+            );
+            $white = imagecolorallocate($this->_resource, 255, 255, 255);
+            imagefilledrectangle($this->_resource, 0, 0, $width - 1, $height - 1, $white);
+        }
+        $this->_adjustPosition(imagesy($this->_resource), imagesx($this->_resource));
+        imagefilledrectangle(
+            $this->_resource,
+            $this->_leftOffset,
+            $this->_topOffset,
+            $this->_leftOffset + $barcodeWidth - 1,
+            $this->_topOffset + $barcodeHeight - 1,
+            $this->_imageBackgroundColor
+        );
+    }
+
+    /**
+     * Check barcode parameters
+     *
+     * @return void
+     */
+    protected function _checkParams()
+    {
+        $this->_checkDimensions();
+    }
+
+    /**
+     * Check barcode dimensions
+     *
+     * @return void
+     */
+    protected function _checkDimensions()
+    {
+        if ($this->_resource !== null) {
+            if (imagesy($this->_resource) < $this->_barcode->getHeight(true)) {
+                require_once 'Zend/Barcode/Renderer/Exception.php';
+                throw new Zend_Barcode_Renderer_Exception(
+                    'Barcode is define outside the image (height)'
+                );
+            }
+        } else {
+            if ($this->_userHeight) {
+                $height = $this->_barcode->getHeight(true);
+                if ($this->_userHeight < $height) {
+                    require_once 'Zend/Barcode/Renderer/Exception.php';
+                    throw new Zend_Barcode_Renderer_Exception(sprintf(
+                        "Barcode is define outside the image (calculated: '%d', provided: '%d')",
+                        $height,
+                        $this->_userHeight
+                    ));
+                }
+            }
+        }
+        if ($this->_resource !== null) {
+            if (imagesx($this->_resource) < $this->_barcode->getWidth(true)) {
+                require_once 'Zend/Barcode/Renderer/Exception.php';
+                throw new Zend_Barcode_Renderer_Exception(
+                    'Barcode is define outside the image (width)'
+                );
+            }
+        } else {
+            if ($this->_userWidth) {
+                $width = $this->_barcode->getWidth(true);
+                if ($this->_userWidth < $width) {
+                    require_once 'Zend/Barcode/Renderer/Exception.php';
+                    throw new Zend_Barcode_Renderer_Exception(sprintf(
+                        "Barcode is define outside the image (calculated: '%d', provided: '%d')",
+                        $width,
+                        $this->_userWidth
+                    ));
+                }
+            }
+        }
+    }
+
+    /**
+     * Draw and render the barcode with correct headers
+     *
+     * @return mixed
+     */
+    public function render()
+    {
+        $this->draw();
+        header("Content-Type: image/" . $this->_imageType);
+        $functionName = 'image' . $this->_imageType;
+        call_user_func($functionName, $this->_resource);
+        @imagedestroy($this->_resource);
+    }
+
+    /**
+     * Draw a polygon in the image resource
+     *
+     * @param array $points
+     * @param integer $color
+     * @param boolean $filled
+     */
+    protected function _drawPolygon($points, $color, $filled = true)
+    {
+        $newPoints = array(
+            $points[0][0] + $this->_leftOffset,
+            $points[0][1] + $this->_topOffset,
+            $points[1][0] + $this->_leftOffset,
+            $points[1][1] + $this->_topOffset,
+            $points[2][0] + $this->_leftOffset,
+            $points[2][1] + $this->_topOffset,
+            $points[3][0] + $this->_leftOffset,
+            $points[3][1] + $this->_topOffset,
+        );
+
+        $allocatedColor = imagecolorallocate(
+            $this->_resource,
+            ($color & 0xFF0000) >> 16,
+            ($color & 0x00FF00) >> 8,
+            $color & 0x0000FF
+        );
+
+        if ($filled) {
+            imagefilledpolygon($this->_resource, $newPoints, 4, $allocatedColor);
+        } else {
+            imagepolygon($this->_resource, $newPoints, 4, $allocatedColor);
+        }
+    }
+
+    /**
+     * Draw a polygon in the image resource
+     *
+     * @param string $text
+     * @param float $size
+     * @param array $position
+     * @param string $font
+     * @param integer $color
+     * @param string $alignment
+     * @param float $orientation
+     */
+    protected function _drawText($text, $size, $position, $font, $color, $alignment = 'center', $orientation = 0)
+    {
+        $allocatedColor = imagecolorallocate(
+            $this->_resource,
+            ($color & 0xFF0000) >> 16,
+            ($color & 0x00FF00) >> 8,
+            $color & 0x0000FF
+        );
+
+        if ($font == null) {
+            $font = 3;
+        }
+        $position[0] += $this->_leftOffset;
+        $position[1] += $this->_topOffset;
+
+        if (is_numeric($font)) {
+            if ($orientation) {
+                /**
+                 * imagestring() doesn't allow orientation, if orientation
+                 * needed: a TTF font is required.
+                 * Throwing an exception here, allow to use automaticRenderError
+                 * to informe user of the problem instead of simply not drawing
+                 * the text
+                 */
+                require_once 'Zend/Barcode/Renderer/Exception.php';
+                throw new Zend_Barcode_Renderer_Exception(
+                    'No orientation possible with GD internal font'
+                );
+            }
+            $fontWidth = imagefontwidth($font);
+            $positionY = $position[1] - imagefontheight($font) + 1;
+            switch ($alignment) {
+                case 'left':
+                    $positionX = $position[0];
+                    break;
+                case 'center':
+                    $positionX = $position[0] - ceil(($fontWidth * strlen($text)) / 2);
+                    break;
+                case 'right':
+                    $positionX = $position[0] - ($fontWidth * strlen($text));
+                    break;
+            }
+            imagestring($this->_resource, $font, $positionX, $positionY, $text, $color);
+        } else {
+
+            if (!function_exists('imagettfbbox')) {
+                require_once 'Zend/Barcode/Renderer/Exception.php';
+                throw new Zend_Barcode_Renderer_Exception(
+                    'A font was provided, but this instance of PHP does not have TTF (FreeType) support'
+                    );
+            }
+
+            $box = imagettfbbox($size, 0, $font, $text);
+            switch ($alignment) {
+                case 'left':
+                    $width = 0;
+                    break;
+                case 'center':
+                    $width = ($box[2] - $box[0]) / 2;
+                    break;
+                case 'right':
+                    $width = ($box[2] - $box[0]);
+                    break;
+            }
+            imagettftext(
+                $this->_resource,
+                $size,
+                $orientation,
+                $position[0] - ($width * cos(pi() * $orientation / 180)),
+                $position[1] + ($width * sin(pi() * $orientation / 180)),
+                $allocatedColor,
+                $font,
+                $text
+            );
+        }
+    }
+}