<?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 Object
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
/**
* Class for generate Barcode
*
* @category Zend
* @package Zend_Barcode
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
abstract class Zend_Barcode_Object_ObjectAbstract
{
/**
* Namespace of the barcode for autoloading
* @var string
*/
protected $_barcodeNamespace = 'Zend_Barcode_Object';
/**
* Set of drawing instructions
* @var array
*/
protected $_instructions = array();
/**
* Barcode type
* @var string
*/
protected $_type = null;
/**
* Height of the object
* @var integer
*/
protected $_height = null;
/**
* Width of the object
* @var integer
*/
protected $_width = null;
/**
* Height of the bar
* @var integer
*/
protected $_barHeight = 50;
/**
* Width of a thin bar
* @var integer
*/
protected $_barThinWidth = 1;
/**
* Width of a thick bar
* @var integer
*/
protected $_barThickWidth = 3;
/**
* Factor to multiply bar and font measure
* (barHeight, barThinWidth, barThickWidth & fontSize)
* @var integer
*/
protected $_factor = 1;
/**
* Font and bars color of the object
* @var integer
*/
protected $_foreColor = 0x000000;
/**
* Background color of the object
* @var integer
*/
protected $_backgroundColor = 0xFFFFFF;
/**
* Activate/deactivate border of the object
* @var boolean
*/
protected $_withBorder = false;
/**
* Activate/deactivate drawing of quiet zones
* @var boolean
*/
protected $_withQuietZones = true;
/**
* Force quiet zones even if
* @var boolean
*/
protected $_mandatoryQuietZones = false;
/**
* Orientation of the barcode in degrees
* @var float
*/
protected $_orientation = 0;
/**
* Offset from the top the object
* (calculated from the orientation)
* @var integer
*/
protected $_offsetTop = null;
/**
* Offset from the left the object
* (calculated from the orientation)
* @var integer
*/
protected $_offsetLeft = null;
/**
* Text to display
* @var string
*/
protected $_text = null;
/**
* Display (or not) human readable text
* @var boolean
*/
protected $_drawText = true;
/**
* Adjust (or not) position of human readable characters with barcode
* @var boolean
*/
protected $_stretchText = false;
/**
* Font resource
* - integer (1 to 5): corresponds to GD included fonts
* - string: corresponds to path of a TTF font
* @var integer|string
*/
protected $_font = null;
/**
* Font size
* @var float
*/
protected $_fontSize = 10;
/**
* Drawing of checksum
* @var boolean
*/
protected $_withChecksum = false;
/**
* Drawing of checksum inside text
* @var boolean
*/
protected $_withChecksumInText = false;
/**
* Fix barcode length (numeric or string like 'even')
* @var $_barcodeLength integer | string
*/
protected $_barcodeLength = null;
/**
* Activate automatic addition of leading zeros
* if barcode length is fixed
* @var $_addLeadingZeros boolean
*/
protected $_addLeadingZeros = true;
/**
* Activation of mandatory checksum
* to deactivate unauthorized modification
* @var $_mandatoryChecksum boolean
*/
protected $_mandatoryChecksum = false;
/**
* Character used to substitute checksum character for validation
* @var $_substituteChecksumCharacter mixed
*/
protected $_substituteChecksumCharacter = 0;
/**
* TTF font name: can be set before instanciation of the object
* @var string
*/
protected static $_staticFont = null;
/**
* Constructor
* @param array|Zend_Config $options
* @return void
*/
public function __construct($options = null)
{
$this->_getDefaultOptions();
if (self::$_staticFont !== null) {
$this->_font = self::$_staticFont;
}
if ($options instanceof Zend_Config) {
$options = $options->toArray();
}
if (is_array($options)) {
$this->setOptions($options);
}
$this->_type = strtolower(substr(get_class($this), strlen($this->_barcodeNamespace) + 1));
if ($this->_mandatoryChecksum) {
$this->_withChecksum = true;
$this->_withChecksumInText = true;
}
}
/**
* Set default options for particular object
* @return void
*/
protected function _getDefaultOptions()
{
}
/**
* Set barcode state from options array
* @param array $options
* @return Zend_Barcode_Object
*/
public function setOptions($options)
{
foreach ($options as $key => $value) {
$method = 'set' . $key;
if (method_exists($this, $method)) {
$this->$method($value);
}
}
return $this;
}
/**
* Set barcode state from config object
* @param Zend_Config $config
* @return Zend_Barcode_Object
*/
public function setConfig(Zend_Config $config)
{
return $this->setOptions($config->toArray());
}
/**
* Set barcode namespace for autoloading
*
* @param string $namespace
* @return Zend_Barcode_Object
*/
public function setBarcodeNamespace($namespace)
{
$this->_barcodeNamespace = $namespace;
return $this;
}
/**
* Retrieve barcode namespace
*
* @return string
*/
public function getBarcodeNamespace()
{
return $this->_barcodeNamespace;
}
/**
* Retrieve type of barcode
* @return string
*/
public function getType()
{
return $this->_type;
}
/**
* Set height of the barcode bar
* @param integer $value
* @return Zend_Barcode_Object
* @throw Zend_Barcode_Object_Exception
*/
public function setBarHeight($value)
{
if (intval($value) <= 0) {
require_once 'Zend/Barcode/Object/Exception.php';
throw new Zend_Barcode_Object_Exception(
'Bar height must be greater than 0'
);
}
$this->_barHeight = intval($value);
return $this;
}
/**
* Get height of the barcode bar
* @return integer
*/
public function getBarHeight()
{
return $this->_barHeight;
}
/**
* Set thickness of thin bar
* @param integer $value
* @return Zend_Barcode_Object
* @throw Zend_Barcode_Object_Exception
*/
public function setBarThinWidth($value)
{
if (intval($value) <= 0) {
require_once 'Zend/Barcode/Object/Exception.php';
throw new Zend_Barcode_Object_Exception(
'Bar width must be greater than 0'
);
}
$this->_barThinWidth = intval($value);
return $this;
}
/**
* Get thickness of thin bar
* @return integer
*/
public function getBarThinWidth()
{
return $this->_barThinWidth;
}
/**
* Set thickness of thick bar
* @param integer $value
* @return Zend_Barcode_Object
* @throw Zend_Barcode_Object_Exception
*/
public function setBarThickWidth($value)
{
if (intval($value) <= 0) {
require_once 'Zend/Barcode/Object/Exception.php';
throw new Zend_Barcode_Object_Exception(
'Bar width must be greater than 0'
);
}
$this->_barThickWidth = intval($value);
return $this;
}
/**
* Get thickness of thick bar
* @return integer
*/
public function getBarThickWidth()
{
return $this->_barThickWidth;
}
/**
* Set factor applying to
* thinBarWidth - thickBarWidth - barHeight - fontSize
* @param float $value
* @return Zend_Barcode_Object
* @throw Zend_Barcode_Object_Exception
*/
public function setFactor($value)
{
if (floatval($value) <= 0) {
require_once 'Zend/Barcode/Object/Exception.php';
throw new Zend_Barcode_Object_Exception(
'Factor must be greater than 0'
);
}
$this->_factor = floatval($value);
return $this;
}
/**
* Get factor applying to
* thinBarWidth - thickBarWidth - barHeight - fontSize
* @return integer
*/
public function getFactor()
{
return $this->_factor;
}
/**
* Set color of the barcode and text
* @param string $value
* @return Zend_Barcode_Object
* @throw Zend_Barcode_Object_Exception
*/
public function setForeColor($value)
{
if (preg_match('`\#[0-9A-F]{6}`', $value)) {
$this->_foreColor = hexdec($value);
} elseif (is_numeric($value) && $value >= 0 && $value <= 16777125) {
$this->_foreColor = intval($value);
} else {
require_once 'Zend/Barcode/Object/Exception.php';
throw new Zend_Barcode_Object_Exception(
'Text color must be set as #[0-9A-F]{6}'
);
}
return $this;
}
/**
* Retrieve color of the barcode and text
* @return unknown
*/
public function getForeColor()
{
return $this->_foreColor;
}
/**
* Set the color of the background
* @param integer $value
* @return Zend_Barcode_Object
* @throw Zend_Barcode_Object_Exception
*/
public function setBackgroundColor($value)
{
if (preg_match('`\#[0-9A-F]{6}`', $value)) {
$this->_backgroundColor = hexdec($value);
} elseif (is_numeric($value) && $value >= 0 && $value <= 16777125) {
$this->_backgroundColor = intval($value);
} else {
require_once 'Zend/Barcode/Object/Exception.php';
throw new Zend_Barcode_Object_Exception(
'Background color must be set as #[0-9A-F]{6}'
);
}
return $this;
}
/**
* Retrieve background color of the image
* @return integer
*/
public function getBackgroundColor()
{
return $this->_backgroundColor;
}
/**
* Activate/deactivate drawing of the bar
* @param boolean $value
* @return Zend_Barcode_Object
*/
public function setWithBorder($value)
{
$this->_withBorder = (bool) $value;
return $this;
}
/**
* Retrieve if border are draw or not
* @return boolean
*/
public function getWithBorder()
{
return $this->_withBorder;
}
/**
* Activate/deactivate drawing of the quiet zones
* @param boolean $value
* @return Zend_Barcode_Object
*/
public function setWithQuietZones($value)
{
$this->_withQuietZones = (bool) $value;
return $this;
}
/**
* Retrieve if quiet zones are draw or not
* @return boolean
*/
public function getWithQuietZones()
{
return $this->_withQuietZones;
}
/**
* Allow fast inversion of font/bars color and background color
* @return Zend_Barcode_Object
*/
public function setReverseColor()
{
$tmp = $this->_foreColor;
$this->_foreColor = $this->_backgroundColor;
$this->_backgroundColor = $tmp;
return $this;
}
/**
* Set orientation of barcode and text
* @param float $value
* @return Zend_Barcode_Object
* @throw Zend_Barcode_Object_Exception
*/
public function setOrientation($value)
{
$this->_orientation = floatval($value) - floor(floatval($value) / 360) * 360;
return $this;
}
/**
* Retrieve orientation of barcode and text
* @return float
*/
public function getOrientation()
{
return $this->_orientation;
}
/**
* Set text to encode
* @param string $value
* @return Zend_Barcode_Object
*/
public function setText($value)
{
$this->_text = trim($value);
return $this;
}
/**
* Retrieve text to encode
* @return string
*/
public function getText()
{
$text = $this->_text;
if ($this->_withChecksum) {
$text .= $this->getChecksum($this->_text);
}
return $this->_addLeadingZeros($text);
}
/**
* Automatically add leading zeros if barcode length is fixed
* @param string $text
* @param boolean $withoutChecksum
*/
protected function _addLeadingZeros($text, $withoutChecksum = false)
{
if ($this->_barcodeLength && $this->_addLeadingZeros) {
$omitChecksum = (int) ($this->_withChecksum && $withoutChecksum);
if (is_int($this->_barcodeLength)) {
$length = $this->_barcodeLength - $omitChecksum;
if (strlen($text) < $length) {
$text = str_repeat('0', $length - strlen($text)) . $text;
}
} else {
if ($this->_barcodeLength == 'even') {
$text = ((strlen($text) - $omitChecksum) % 2 ? '0' . $text : $text);
}
}
}
return $text;
}
/**
* Retrieve text to encode
* @return string
*/
public function getRawText()
{
return $this->_text;
}
/**
* Retrieve text to display
* @return string
*/
public function getTextToDisplay()
{
if ($this->_withChecksumInText) {
return $this->getText();
} else {
return $this->_addLeadingZeros($this->_text, true);
}
}
/**
* Activate/deactivate drawing of text to encode
* @param boolean $value
* @return Zend_Barcode_Object
*/
public function setDrawText($value)
{
$this->_drawText = (bool) $value;
return $this;
}
/**
* Retrieve if drawing of text to encode is enabled
* @return boolean
*/
public function getDrawText()
{
return $this->_drawText;
}
/**
* Activate/deactivate the adjustment of the position
* of the characters to the position of the bars
* @param boolean $value
* @return Zend_Barcode_Object
* @throw Zend_Barcode_Object_Exception
*/
public function setStretchText($value)
{
$this->_stretchText = (bool) $value;
return $this;
}
/**
* Retrieve if the adjustment of the position of the characters
* to the position of the bars is enabled
* @return boolean
*/
public function getStretchText()
{
return $this->_stretchText;
}
/**
* Activate/deactivate the automatic generation
* of the checksum character
* added to the barcode text
* @param boolean $value
* @return Zend_Barcode_Object
*/
public function setWithChecksum($value)
{
if (!$this->_mandatoryChecksum) {
$this->_withChecksum = (bool) $value;
}
return $this;
}
/**
* Retrieve if the checksum character is automatically
* added to the barcode text
* @return boolean
*/
public function getWithChecksum()
{
return $this->_withChecksum;
}
/**
* Activate/deactivate the automatic generation
* of the checksum character
* added to the barcode text
* @param boolean $value
* @return Zend_Barcode_Object
* @throw Zend_Barcode_Object_Exception
*/
public function setWithChecksumInText($value)
{
if (!$this->_mandatoryChecksum) {
$this->_withChecksumInText = (bool) $value;
}
return $this;
}
/**
* Retrieve if the checksum character is automatically
* added to the barcode text
* @return boolean
*/
public function getWithChecksumInText()
{
return $this->_withChecksumInText;
}
/**
* Set the font for all instances of barcode
* @param string $font
* @return void
*/
public static function setBarcodeFont($font)
{
if (is_string($font) || (is_int($font) && $font >= 1 && $font <= 5)) {
self::$_staticFont = $font;
}
}
/**
* Set the font:
* - if integer between 1 and 5, use gd built-in fonts
* - if string, $value is assumed to be the path to a TTF font
* @param integer|string $value
* @return Zend_Barcode_Object
* @throw Zend_Barcode_Object_Exception
*/
public function setFont($value)
{
if (is_int($value) && $value >= 1 && $value <= 5) {
if (!extension_loaded('gd')) {
require_once 'Zend/Barcode/Object/Exception.php';
throw new Zend_Barcode_Object_Exception(
'GD extension is required to use numeric font'
);
}
// Case of numeric font with GD
$this->_font = $value;
// In this case font size is given by:
$this->_fontSize = imagefontheight($value);
} elseif (is_string($value)) {
$this->_font = $value;
} else {
require_once 'Zend/Barcode/Object/Exception.php';
throw new Zend_Barcode_Object_Exception(sprintf(
'Invalid font "%s" provided to setFont()',
$value
));
}
return $this;
}
/**
* Retrieve the font
* @return integer|string
*/
public function getFont()
{
return $this->_font;
}
/**
* Set the size of the font in case of TTF
* @param float $value
* @return Zend_Barcode_Object
* @throw Zend_Barcode_Object_Exception
*/
public function setFontSize($value)
{
if (is_numeric($this->_font)) {
// Case of numeric font with GD
return $this;
}
if (!is_numeric($value)) {
require_once 'Zend/Barcode/Object/Exception.php';
throw new Zend_Barcode_Object_Exception(
'Font size must be a numeric value'
);
}
$this->_fontSize = $value;
return $this;
}
/**
* Retrieve the size of the font in case of TTF
* @return float
*/
public function getFontSize()
{
return $this->_fontSize;
}
/**
* Quiet zone before first bar
* and after the last bar
* @return integer
*/
public function getQuietZone()
{
if ($this->_withQuietZones || $this->_mandatoryQuietZones) {
return 10 * $this->_barThinWidth * $this->_factor;
} else {
return 0;
}
}
/**
* Add an instruction in the array of instructions
* @param array $instruction
*/
protected function _addInstruction(array $instruction)
{
$this->_instructions[] = $instruction;
}
/**
* Retrieve the set of drawing instructions
* @return array
*/
public function getInstructions()
{
return $this->_instructions;
}
/**
* Add a polygon drawing instruction in the set of instructions
* @param array $points
* @param integer $color
* @param boolean $filled
*/
protected function _addPolygon(array $points, $color = null, $filled = true)
{
if ($color === null) {
$color = $this->_foreColor;
}
$this->_addInstruction(array(
'type' => 'polygon',
'points' => $points,
'color' => $color,
'filled' => $filled,
));
}
/**
* Add a text drawing instruction in the set of instructions
* @param string $text
* @param float $size
* @param array $position
* @param string $font
* @param integer $color
* @param string $alignment
* @param float $orientation
*/
protected function _addText(
$text,
$size,
$position,
$font,
$color,
$alignment = 'center',
$orientation = 0
) {
if ($color === null) {
$color = $this->_foreColor;
}
$this->_addInstruction(array(
'type' => 'text',
'text' => $text,
'size' => $size,
'position' => $position,
'font' => $font,
'color' => $color,
'alignment' => $alignment,
'orientation' => $orientation,
));
}
/**
* Checking of parameters after all settings
* @return void
*/
public function checkParams()
{
$this->_checkText();
$this->_checkFontAndOrientation();
$this->_checkParams();
return true;
}
/**
* Check if a text is really provided to barcode
* @return void
* @throw Zend_Barcode_Object_Exception
*/
protected function _checkText($value = null)
{
if ($value === null) {
$value = $this->_text;
}
if (!strlen($value)) {
require_once 'Zend/Barcode/Object/Exception.php';
throw new Zend_Barcode_Object_Exception(
'A text must be provide to Barcode before drawing'
);
}
$this->validateText($value);
}
/**
* Check the ratio between the thick and the thin bar
* @param integer $min
* @param integer $max
* @return void
* @throw Zend_Barcode_Object_Exception
*/
protected function _checkRatio($min = 2, $max = 3)
{
$ratio = $this->_barThickWidth / $this->_barThinWidth;
if (!($ratio >= $min && $ratio <= $max)) {
require_once 'Zend/Barcode/Object/Exception.php';
throw new Zend_Barcode_Object_Exception(sprintf(
'Ratio thick/thin bar must be between %0.1f and %0.1f (actual %0.3f)',
$min,
$max,
$ratio
));
}
}
/**
* Drawing with an angle is just allow TTF font
* @return void
* @throw Zend_Barcode_Object_Exception
*/
protected function _checkFontAndOrientation()
{
if (is_numeric($this->_font) && $this->_orientation != 0) {
require_once 'Zend/Barcode/Object/Exception.php';
throw new Zend_Barcode_Object_Exception(
'Only drawing with TTF font allow orientation of the barcode.'
);
}
}
/**
* Width of the result image
* (before any rotation)
* @return integer
*/
protected function _calculateWidth()
{
return (int) $this->_withBorder
+ $this->_calculateBarcodeWidth()
+ (int) $this->_withBorder;
}
/**
* Calculate the width of the barcode
* @return integer
*/
abstract protected function _calculateBarcodeWidth();
/**
* Height of the result object
* @return integer
*/
protected function _calculateHeight()
{
return (int) $this->_withBorder * 2
+ $this->_calculateBarcodeHeight()
+ (int) $this->_withBorder * 2;
}
/**
* Height of the barcode
* @return integer
*/
protected function _calculateBarcodeHeight()
{
$textHeight = 0;
$extraHeight = 0;
if ($this->_drawText) {
$textHeight += $this->_fontSize;
$extraHeight = 2;
}
return ($this->_barHeight + $textHeight) * $this->_factor + $extraHeight;
}
/**
* Get height of the result object
* @return integer
*/
public function getHeight($recalculate = false)
{
if ($this->_height === null || $recalculate) {
$this->_height =
abs($this->_calculateHeight() * cos($this->_orientation / 180 * pi()))
+ abs($this->_calculateWidth() * sin($this->_orientation / 180 * pi()));
}
return $this->_height;
}
/**
* Get width of the result object
* @return integer
*/
public function getWidth($recalculate = false)
{
if ($this->_width === null || $recalculate) {
$this->_width =
abs($this->_calculateWidth() * cos($this->_orientation / 180 * pi()))
+ abs($this->_calculateHeight() * sin($this->_orientation / 180 * pi()));
}
return $this->_width;
}
/**
* Calculate the offset from the left of the object
* if an orientation is activated
* @param boolean $recalculate
* @return float
*/
public function getOffsetLeft($recalculate = false)
{
if ($this->_offsetLeft === null || $recalculate) {
$this->_offsetLeft = - min(array(
0 * cos(
$this->_orientation / 180 * pi()) - 0 * sin(
$this->_orientation / 180 * pi()),
0 * cos(
$this->_orientation / 180 * pi()) - $this->_calculateBarcodeHeight() * sin(
$this->_orientation / 180 * pi()),
$this->_calculateBarcodeWidth() * cos(
$this->_orientation / 180 * pi()) - $this->_calculateBarcodeHeight() * sin(
$this->_orientation / 180 * pi()),
$this->_calculateBarcodeWidth() * cos(
$this->_orientation / 180 * pi()) - 0 * sin(
$this->_orientation / 180 * pi()),
));
}
return $this->_offsetLeft;
}
/**
* Calculate the offset from the top of the object
* if an orientation is activated
* @param boolean $recalculate
* @return float
*/
public function getOffsetTop($recalculate = false)
{
if ($this->_offsetTop === null || $recalculate) {
$this->_offsetTop = - min(array(
0 * cos(
$this->_orientation / 180 * pi()) + 0 * sin(
$this->_orientation / 180 * pi()),
$this->_calculateBarcodeHeight() * cos(
$this->_orientation / 180 * pi()) + 0 * sin(
$this->_orientation / 180 * pi()),
$this->_calculateBarcodeHeight() * cos(
$this->_orientation / 180 * pi()) + $this->_calculateBarcodeWidth() * sin(
$this->_orientation / 180 * pi()),
0 * cos(
$this->_orientation / 180 * pi()) + $this->_calculateBarcodeWidth() * sin(
$this->_orientation / 180 * pi()),
));
}
return $this->_offsetTop;
}
/**
* Apply rotation on a point in X/Y dimensions
* @param float $x1 x-position before rotation
* @param float $y1 y-position before rotation
* @return array Array of two elements corresponding to the new XY point
*/
protected function _rotate($x1, $y1)
{
$x2 = $x1 * cos($this->_orientation / 180 * pi())
- $y1 * sin($this->_orientation / 180 * pi())
+ $this->getOffsetLeft();
$y2 = $y1 * cos($this->_orientation / 180 * pi())
+ $x1 * sin($this->_orientation / 180 * pi())
+ $this->getOffsetTop();
return array(intval($x2) , intval($y2));
}
/**
* Complete drawing of the barcode
* @return array Table of instructions
*/
public function draw()
{
$this->checkParams();
$this->_drawBarcode();
$this->_drawBorder();
$this->_drawText();
return $this->getInstructions();
}
/**
* Draw the barcode
* @return void
*/
protected function _drawBarcode()
{
$barcodeTable = $this->_prepareBarcode();
$this->_preDrawBarcode();
$xpos = (int) $this->_withBorder;
$ypos = (int) $this->_withBorder;
$point1 = $this->_rotate(0, 0);
$point2 = $this->_rotate(0, $this->_calculateHeight() - 1);
$point3 = $this->_rotate(
$this->_calculateWidth() - 1,
$this->_calculateHeight() - 1
);
$point4 = $this->_rotate($this->_calculateWidth() - 1, 0);
$this->_addPolygon(array(
$point1,
$point2,
$point3,
$point4
), $this->_backgroundColor);
$xpos += $this->getQuietZone();
$barLength = $this->_barHeight * $this->_factor;
foreach ($barcodeTable as $bar) {
$width = $bar[1] * $this->_factor;
if ($bar[0]) {
$point1 = $this->_rotate($xpos, $ypos + $bar[2] * $barLength);
$point2 = $this->_rotate($xpos, $ypos + $bar[3] * $barLength);
$point3 = $this->_rotate(
$xpos + $width - 1,
$ypos + $bar[3] * $barLength
);
$point4 = $this->_rotate(
$xpos + $width - 1,
$ypos + $bar[2] * $barLength
);
$this->_addPolygon(array(
$point1,
$point2,
$point3,
$point4,
));
}
$xpos += $width;
}
$this->_postDrawBarcode();
}
/**
* Partial function to draw border
* @return void
*/
protected function _drawBorder()
{
if ($this->_withBorder) {
$point1 = $this->_rotate(0, 0);
$point2 = $this->_rotate($this->_calculateWidth() - 1, 0);
$point3 = $this->_rotate(
$this->_calculateWidth() - 1,
$this->_calculateHeight() - 1
);
$point4 = $this->_rotate(0, $this->_calculateHeight() - 1);
$this->_addPolygon(array(
$point1,
$point2,
$point3,
$point4,
$point1,
), $this->_foreColor, false);
}
}
/**
* Partial function to draw text
* @return void
*/
protected function _drawText()
{
if ($this->_drawText) {
$text = $this->getTextToDisplay();
if ($this->_stretchText) {
$textLength = strlen($text);
$space = ($this->_calculateWidth() - 2 * $this->getQuietZone()) / $textLength;
for ($i = 0; $i < $textLength; $i ++) {
$leftPosition = $this->getQuietZone() + $space * ($i + 0.5);
$this->_addText(
$text{$i},
$this->_fontSize * $this->_factor,
$this->_rotate(
$leftPosition,
(int) $this->_withBorder * 2
+ $this->_factor * ($this->_barHeight + $this->_fontSize) + 1
),
$this->_font,
$this->_foreColor,
'center',
- $this->_orientation
);
}
} else {
$this->_addText(
$text,
$this->_fontSize * $this->_factor,
$this->_rotate(
$this->_calculateWidth() / 2,
(int) $this->_withBorder * 2
+ $this->_factor * ($this->_barHeight + $this->_fontSize) + 1
),
$this->_font,
$this->_foreColor,
'center',
- $this->_orientation
);
}
}
}
/**
* Check for invalid characters
* @param string $value Text to be ckecked
* @return void
*/
public function validateText($value)
{
$this->_validateText($value);
}
/**
* Standard validation for most of barcode objects
* @param string $value
* @param array $options
*/
protected function _validateText($value, $options = array())
{
$validatorName = (isset($options['validator'])) ? $options['validator'] : $this->getType();
$validator = new Zend_Validate_Barcode(array(
'adapter' => $validatorName,
'checksum' => false,
));
$checksumCharacter = '';
$withChecksum = false;
if ($this->_mandatoryChecksum) {
$checksumCharacter = $this->_substituteChecksumCharacter;
$withChecksum = true;
}
$value = $this->_addLeadingZeros($value, $withChecksum) . $checksumCharacter;
if (!$validator->isValid($value)) {
$message = implode("\n", $validator->getMessages());
/**
* @see Zend_Barcode_Object_Exception
*/
require_once 'Zend/Barcode/Object/Exception.php';
throw new Zend_Barcode_Object_Exception($message);
}
}
/**
* Each child must prepare the barcode and return
* a table like array(
* 0 => array(
* 0 => int (visible(black) or not(white))
* 1 => int (width of the bar)
* 2 => float (0->1 position from the top of the beginning of the bar in %)
* 3 => float (0->1 position from the top of the end of the bar in %)
* ),
* 1 => ...
* )
*
* @return array
*/
abstract protected function _prepareBarcode();
/**
* Checking of parameters after all settings
*
* @return void
*/
abstract protected function _checkParams();
/**
* Allow each child to draw something else
*
* @return void
*/
protected function _preDrawBarcode()
{
}
/**
* Allow each child to draw something else
* (ex: bearer bars in interleaved 2 of 5 code)
*
* @return void
*/
protected function _postDrawBarcode()
{
}
}