--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/enmi/Zend/Barcode/Renderer/Image.php Thu Jan 20 19:30:54 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
+ );
+ }
+ }
+}