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/**
* Box.php
*
* @since 2011-05-23
* @category Library
* @package PdfPage
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2015 Nicola Asuni - Tecnick.com LTD
* @license http://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE.TXT)
* @link https://github.com/tecnickcom/tc-lib-pdf-page
*
* This file is part of tc-lib-pdf-page software library.
*/
namespace Com\Tecnick\Pdf\Page;
use \Com\Tecnick\Pdf\Page\Exception as PageException;
/**
* Com\Tecnick\Pdf\Page\Box
*
* @since 2011-05-23
* @category Library
* @package PdfPage
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2015 Nicola Asuni - Tecnick.com LTD
* @license http://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE.TXT)
* @link https://github.com/tecnickcom/tc-lib-pdf-page
*/
abstract class Box extends \Com\Tecnick\Pdf\Page\Mode
{
/**
* Array of page box names
*
* @var array
*/
public static $box = array(
'MediaBox',
'CropBox',
'BleedBox',
'TrimBox',
'ArtBox'
);
/**
* Swap X and Y coordinates of page boxes (change page boxes orientation).
*
* @param array $dims Array of page dimensions.
*
* @return array Page dimensions.
*
*/
public function swapCoordinates(array $dims)
{
foreach (self::$box as $type) {
// swap X and Y coordinates
if (isset($dims[$type])) {
$tmp = $dims[$type]['llx'];
$dims[$type]['llx'] = $dims[$type]['lly'];
$dims[$type]['lly'] = $tmp;
$tmp = $dims[$type]['urx'];
$dims[$type]['urx'] = $dims[$type]['ury'];
$dims[$type]['ury'] = $tmp;
}
}
return $dims;
}
/**
* Set page boundaries.
*
* @param array $dims Array of page dimensions to modify
* @param string $type Box type: MediaBox, CropBox, BleedBox, TrimBox, ArtBox.
* @param float $llx Lower-left x coordinate in user units.
* @param float $lly Lower-left y coordinate in user units.
* @param float $urx Upper-right x coordinate in user units.
* @param float $ury Upper-right y coordinate in user units.
* @param array $bci BoxColorInfo: guideline style (color, width, style, dash).
*
* @return array Page dimensions.
*/
public function setBox($dims, $type, $llx, $lly, $urx, $ury, array $bci = array())
{
if (empty($dims)) {
// initialize array
$dims = array();
}
if (!in_array($type, self::$box)) {
throw new PageException('unknown page box type: '.$type);
}
$dims[$type]['llx'] = $llx;
$dims[$type]['lly'] = $lly;
$dims[$type]['urx'] = $urx;
$dims[$type]['ury'] = $ury;
if (empty($bci)) {
// set default values
$bci = array(
'color' => '#000000',
'width' => (1.0 / $this->kunit),
'style' => 'S', // S = solid; D = dash
'dash' => array(3)
);
}
$dims[$type]['bci'] = $bci;
return $dims;
}
/**
* Initialize page boxes
*
* @param float $width Page width in points
* @param float $height Page height in points
*
* @return array Page boxes
*/
public function setPageBoxes($width, $height)
{
$dims = array();
foreach (self::$box as $type) {
$dims = $this->setBox($dims, $type, 0, 0, $width, $height);
}
return $dims;
}
/**
* Returns the PDF command to output the specified page boxes.
*
* @param array $dims Array of page dimensions.
*
* @return string
*/
protected function getBox(array $dims)
{
$out = '';
foreach (self::$box as $box) {
if (empty($dims[$box])) {
// @codeCoverageIgnoreStart
continue;
// @codeCoverageIgnoreEnd
}
$out .= '/'.$box.' ['.sprintf(
'%F %F %F %F',
$dims[$box]['llx'],
$dims[$box]['lly'],
$dims[$box]['urx'],
$dims[$box]['ury']
).']'."\n";
}
return $out;
}
/**
* Returns the PDF command to output the specified page BoxColorInfo
*
* @param array $dims Array of page dimensions.
*
* @return string
*/
protected function getBoxColorInfo(array $dims)
{
$out = '/BoxColorInfo <<'."\n";
foreach (self::$box as $box) {
if (empty($dims[$box])) {
// @codeCoverageIgnoreStart
continue;
// @codeCoverageIgnoreEnd
}
$out .= '/'.$box.' <<'."\n";
if (!empty($dims[$box]['bci']['color'])) {
$out .= '/C ['.$this->col->getPdfRgbComponents($dims[$box]['bci']['color']).']'."\n";
}
if (!empty($dims[$box]['bci']['width'])) {
$out .= '/W '.sprintf('%F', ($dims[$box]['bci']['width'] * $this->kunit))."\n";
}
if (!empty($dims[$box]['bci']['style'])) {
$mode = strtoupper($dims[$box]['bci']['style'][0]);
if ($mode !== 'D') {
$mode = 'S';
}
$out .= '/S /'.$mode."\n";
}
if (!empty($dims[$box]['bci']['dash'])) {
$out .= '/D [';
foreach ($dims[$box]['bci']['dash'] as $dash) {
$out .= sprintf(' %F', ((float) $dash * $this->kunit));
}
$out .= ' ]'."\n";
}
$out .= '>>'."\n";
}
$out = '>>'."\n";
return $out;
}
}