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<?php
/*
PHPRtfLite
Copyright 2007-2008 Denis Slaveckij <info@phprtf.com>
Copyright 2010 Steffen Zeidler <sigma_z@web.de>
This file is part of PHPRtfLite.
PHPRtfLite is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
PHPRtfLite is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PHPRtfLite. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Class for displaying images in rtf documents.
* @version 1.0.1
* @author Denis Slaveckij <info@phprtf.com>
* @author Steffen Zeidler <sigma_z@web.de>
* @copyright 2007-2008 Denis Slaveckij, 2010 Steffen Zeidler
* @package PHPRtfLite
*/
class PHPRtfLite_Image {
/**
* @var PHPRtfLite
*/
protected $_rtf;
/**
* @var PHPRtfLite_ParFormat
*/
protected $_parFormat;
/**
* @var string
*/
protected $_file;
/**
* @var string
*/
protected $_extension;
/**
* @var float
*/
protected $_defaultWidth;
/**
* @var float
*/
protected $_defaultHeight;
/**
* @var float
*/
protected $_height;
/**
* @var float
*/
protected $_width;
/**
* @var PHPRtfLite_Border
*/
protected $_border;
/**
* Constructor
*
* @param PHPRtfLite $rtf
* @param string $imageFile image file incl. path
* @param float $width
* @param flaot $height
*/
public function __construct(PHPRtfLite $rtf,
$imageFile,
PHPRtfLite_ParFormat $parFormat = null,
$width = null,
$height = null)
{
$this->_rtf = $rtf;
$this->_parFormat = $parFormat;
if (file_exists($imageFile)) {
$this->_file = $imageFile;
$pathInfo = pathInfo($imageFile);
if (isset($pathInfo['extension'])) {
$this->_extension = strtolower($pathInfo['extension']);
}
list($this->_defaultWidth, $this->_defaultHeight) = getimagesize($imageFile);
if ($width !== null) {
$this->setWidth($width);
}
if ($height !== null) {
$this->setHeight($height);
}
}
else {
$this->_defaultWidth = 20;
$this->_defaultHeight = 20;
$this->_extension = 'png';
}
}
/**
* Sets paragraph format for image
*
* @param PHPRtfLite_ParFormat $parFormat
*/
public function setParFormat(PHPRtfLite_ParFormat $parFormat) {
$this->_parFormat = $parFormat;
}
/**
* Gets paragraph format for image
*
* @return PHPRtfLite_ParFormat
*/
public function getParFormat() {
return $this->_parFormat;
}
/**
* Sets image width
*
* @param float $width if not defined image is displayed by it's height.
*/
public function setWidth($width) {
$this->_width = $width;
}
/**
* Gets image width
*
* @return float
*/
public function getWidth() {
return $this->_width;
}
/**
* Sets image height
*
* @param float $height if not defined image is displayed by it's width.
*/
public function setHeight($height) {
$this->_height = $height;
}
/**
* Gets image height
*
* @return float
*/
public function getHeight() {
return $this->_height;
}
/**
* Sets border of paragraph
*
* @param PHPRtfLite_Border $border
*/
public function setBorder(PHPRtfLite_Border $border) {
$this->_border = $border;
}
/**
* Gets border of paragraph
*
* @return PHPRtfLite_Border
*/
public function getBorder() {
return $this->_border;
}
/**
* Gets rtf image width
*
* @return integer
*/
private function getImageWidth() {
if ($this->_width > 0) {
$width = $this->_width;
}
elseif ($this->_height > 0) {
$width = ($this->_defaultWidth / $this->_defaultHeight) * $this->_height;
}
else {
$width = $this->_defaultWidth * PHPRtfLite::CM_IN_POINTS;
}
return round($width * PHPRtfLite::TWIPS_IN_CM);
}
/**
* Gets rtf image height
*
* @return integer
*/
private function getImageHeight() {
if ($this->_height > 0) {
$height = $this->_height;
}
elseif ($this->_width > 0) {
$height= ($this->_defaultHeight /$this->_defaultWidth) * $this->_width;
}
else {
$height = $this->_defaultHeight * PHPRtfLite::CM_IN_POINTS;
}
return round($height * PHPRtfLite::TWIPS_IN_CM);
}
/**
* Gets file as hex encoded
*
* @return string hex code
*/
private function getFileAsHex() {
// if file does not exist, show missing image
if ($this->_file === null) {
return '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';
}
$imageData = file_get_contents($this->_file);
$size = filesize($this->_file);
$hexString = '';
for ($i = 0; $i < $size; $i++) {
$hex = dechex(ord($imageData{$i}));
if (strlen($hex) == 1) {
$hex = '0' . $hex;
}
$hexString .= $hex;
}
return $hexString;
}
/**
* Gets rtf code of image
*
* @return string rtf code
*/
public function getContent() {
$content = '{\pict';
if ($this->_border) {
$content .= $this->_border->getContent($this->_rtf);
}
$content .= '\picwgoal' . $this->getImageWidth();
$content .= '\pichgoal' . $this->getImageHeight();
switch ($this->_extension) {
case 'jpeg':
case 'jpg':
$content .= '\jpegblip ';
break;
case 'png':
$content .= '\pngblip ';
break;
}
$content .= $this->getFileAsHex();
$content .= '}';
return $content;
}
//// DEPRECATED FUNCTIONS FOLLOWS HERE ////
/**
* @deprecated use setBorder() instead
* @see PHPRtfLite/PHPRtfLite_Image#setBorder()
*
* Sets border
*
* @param PHPRtfLite_Border_Format $borderFormat
* @param boolean $left if false, left border is not set (default true)
* @param boolean $top if false, top border is not set (default true)
* @param boolean $right if false, right border is not set (default true)
* @param boolean $bottom if false, bottom border is not set (default true)
* @access public
*/
public function setBorders(PHPRtfLite_Border_Format $borderFormat,
$left = true, $top = true,
$right = true, $bottom = true)
{
if (!$this->_border) {
$this->_border = new PHPRtfLite_Border();
}
if ($left) {
$this->_border->setBorderLeft($borderFormat);
}
if ($top) {
$this->_border->setBorderTop($borderFormat);
}
if ($right) {
$this->_border->setBorderRight($borderFormat);
}
if ($bottom) {
$this->_border->setBorderBottom($borderFormat);
}
}
}
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