Your IP : 216.73.216.46
<?php
/**
* FW Gallery 6.7.2
* @copyright (C) 2020 Fastw3b
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* @link http://www.fastw3b.net/ Official website
**/
defined('_JEXEC') or die('Restricted access');
class JHTMLfwSgImage {
static function get($path, $filename='') {
$fullname = $path.$filename;
if (file_exists($fullname) and is_file($fullname)) {
jimport('joomla.filesystem.file');
$ext = strtolower(JFile::getExt($filename));
if (file_exists($fullname)) {
switch ($ext) {
case 'gif' :
$image = @imagecreatefromgif($fullname);
break;
case 'png' :
$buff = @imagecreatefrompng($fullname);
list($width, $height) = getimagesize($fullname);
$image = imagecreatetruecolor($width, $height);
$white = imagecolorallocate($image, 255, 255, 255);
imagefilledrectangle($image, 0, 0, $width, $height, $white);
imagecopy($image, $buff, 0, 0, 0, 0, $width, $height);
break;
default :
$image = @imagecreatefromjpeg($fullname);
}
if ($image and in_array($ext, array('gif', 'png', 'jpg', 'jpeg')) and function_exists('exif_read_data')) {
$rotate = 0;
$mirror = 0;
if ($exif = @exif_read_data($fullname)) {
switch (JArrayHelper::getValue($exif, 'Orientation')) {
case 3 :
$rotate = 180;
break;
case 6 :
$rotate = 270;
break;
case 8 :
$rotate = 90;
break;
/* part with a mirror effect */
case 2 :
$mirror = 1;
break;
case 4 :
$mirror = 1;
$rotate = 180;
break;
case 5 :
$mirror = 1;
$rotate = 270;
break;
case 7 :
$mirror = 1;
$rotate = 90;
break;
}
}
if ($rotate) {
$image = imagerotate($image, $rotate, 0);
}
if ($mirror) {
$width = imagesx($image);
$height = imagesy($image);
$buff_image = imagecreatetruecolor($width, $height);
$y = 1;
while ( $y < $height ) {
for ( $i = 1; $i <= $width; $i++ )
imagesetpixel($buff_image, $i, $y, imagecolorat($image, ( $i ), ($height - $y)));
$y = $y + 1;
}
imagecopy($image, $buff_image, 0, 0, 0, 0, $width, $height);
imagedestroy($buff_image);
}
}
return $image;
}
}
}
static function put($image, $path, $filename='') {
jimport('joomla.filesystem.file');
$fullname = $path.$filename;
if (file_exists($fullname) and is_file($fullname) and is_writable($fullname)) {
JFile::delete($fullname);
}
ob_start();
$ext = strtolower(JFile::getExt($fullname));
switch ($ext) {
case 'gif' :
@imagegif($image);
break;
case 'png' :
@imagepng($image);
break;
default :
@imagejpeg($image);
}
if ($buff = ob_get_clean()) {
JFile::write($fullname, $buff);
}
}
static function upload($src_filename, $trg_filename) {
jimport('joomla.filesystem.file');
if (JFile::copy($src_filename, $trg_filename)) {
return true;
}
}
static function fit($image, $path, $filename, $width, $height, $wmfile, $wmtext, $wmpos, $is_just_shrink) {
jimport('joomla.filesystem.file');
$org_width = @imagesx($image);
$org_height = @imagesy($image);
if (!$org_width or !$org_height) return;
$org_ratio = $org_width/$org_height;
if (!$width and !$height) {
$width = $org_width;
$height = $org_height;
} elseif (!$width) {
$width = $height * $org_width / $org_height;
} elseif (!$height) {
$height = $width * $org_height / $org_width;
}
if ($is_just_shrink) {
$x_offset = 0;
$y_offset = 0;
$s_width = $org_width;
$s_height = $org_height;
if ($org_ratio > 1) { /* width larger, so srink by width */
if ($org_width <= $width) {
$width = $org_width;
$height = $org_height;
} else $height = round($width / $org_ratio);
} else { /* height larger or eq */
if ($org_height <= $height) {
$width = $org_width;
$height = $org_height;
} else $width = round($height * $org_ratio);
}
} else {
$trg_ratio = $width/$height;
if ($org_ratio < $trg_ratio) { /*cut vertical top & shrink */
$s_width = $org_width;
$s_height = (int)($org_width / $trg_ratio);
$x_offset = 0;
$y_offset = (int)(($org_height-$s_height)/5);
} elseif ($org_ratio > $trg_ratio) { /* cut horisontal middle & shrink */
$s_width = (int)($org_height * $trg_ratio);
$s_height = $org_height;
$x_offset = (int)(($org_width-$s_width)/2);
$y_offset = 0;
} else { /* images fully proportional - just shrink */
$s_width = $org_width;
$s_height = $org_height;
$x_offset = 0;
$y_offset = 0;
}
}
$thumb = imagecreatetruecolor($width, $height);
$ct = imagecolortransparent($image);
if ($ct >= 0) {
$color_tran = @imagecolorsforindex($image, $ct);
$ct2 = imagecolorexact($thumb, $color_tran['red'], $color_tran['green'], $color_tran['blue']);
imagefill($thumb, 0, 0, $ct2);
}
imagecopyresampled(
$thumb,
$image,
0,
0,
$x_offset,
$y_offset,
$width,
$height,
$s_width,
$s_height
);
imagedestroy($image);
unset($image);
if ($wmfile and file_exists(JPATH_SITE.'/'.$wmfile)) {
$wmfile = imagecreatefrompng(JPATH_SITE.'/'.$wmfile);
} elseif ($wmtext) {
/* calculate text size */
$font_path = FWMG_ASSETS_PATH.'fonts/chesterfield.ttf';
$bbox = imagettfbbox(36, 0, $font_path, $wmtext);
if ($bbox[0] < -1) $box_width = abs($bbox[2]) + abs($bbox[0]) - 1;
else $box_width = abs($bbox[2] - $bbox[0]);
if ($bbox[3] > 0) $box_height = abs($bbox[7] - $bbox[1]) - 1;
else $box_height = abs($bbox[7]) - abs($bbox[1]);
if ($wmfile = imagecreatetruecolor($box_width, $box_height + 2)) {
$colorTransparent = imagecolortransparent($wmfile);
imagefill($wmfile, 0, 0, $colorTransparent);
$black = imagecolorallocate($wmfile, 0, 0, 0);
imagettftext($wmfile, 36, 0, 0, abs($bbox[7]), $black, $font_path, $wmtext);
}
} else $wmfile = false;
if ($wmfile) {
$wm_width = imagesx($wmfile);
$wm_height = imagesy($wmfile);
$shr_coeff = min($width/1024, $height/768);
if ($shr_coeff < 1) {
$new_wm_width = (int)($wm_width*$shr_coeff);
$new_wm_height = (int)($wm_height*$shr_coeff);
$buff = imagecreatetruecolor($new_wm_width, $new_wm_height);
$colorTransparent = imagecolortransparent($buff);
imagefill($buff, 0, 0, $colorTransparent);
ImageCopyResampled($buff, $wmfile, 0, 0, 0, 0, $new_wm_width, $new_wm_height, $wm_width, $wm_height);
$wmfile = $buff;
$wm_width = $new_wm_width;
$wm_height = $new_wm_height;
}
$indent = 50 * $shr_coeff;
switch ($wmpos) {
case 'center' :
$dest_x = round(($width - $wm_width)/2);
$dest_y = round(($height - $wm_height)/2);
break;
case 'left top' :
$dest_x = $indent;
$dest_y = $indent;
break;
case 'right top' :
$dest_x = $width - $wm_width - $indent;
$dest_y = $indent;
break;
case 'left bottom' :
$dest_x = $indent;
$dest_y = $height - $wm_height - $indent;
break;
default :
$dest_x = $width - $wm_width - $indent;
$dest_y = $height - $wm_height - $indent;
}
imagecopy($thumb, $wmfile, $dest_x, $dest_y, 0, 0, $wm_width, $wm_height);
}
JHTML::_('fwsgImage.put', $thumb, $path, $filename);
imagedestroy($thumb);
unset($thumb);
}
static function delete(&$file) {
if ($file->_sys_filename) {
jimport('joomla.filesystem.file');
$path = fwgHelper::getImagePath($file->_sys_filename);
if (is_file($path.$file->_sys_filename)) {
JFile::delete($path.$file->_sys_filename);
}
$db = JFactory::getDBO();
$db->setQuery('DELETE FROM #__fwsg_file_image WHERE file_id = '.$file->id);
$db->execute();
$file->_image_exists = false;
$file->_sys_filename = '';
fwgHelper::clearImageCache('f'.$file->id);
if ($file->category_id) {
fwgHelper::clearImageCache('с'.$file->category_id);
}
return true;
}
}
static function store(&$file, $image) {
jimport('joomla.filesystem.file');
$filename = '';
$ext = strtolower(JFile::getExt($image['name']));
if (in_array($ext, array('jpg', 'jpeg', 'gif', 'png'))) {
$path = '';
do {
$filename = md5($image['name'].rand()).'.'.$ext;
$path = fwgHelper::getImagePath($filename);
} while(file_exists($path.$filename));
if (!file_exists($path)) {
JFile::write($path.'index.html', $buff = '<html><head><title></title></head><body></body></html>');
}
if (JHTMLfwSgImage::upload($image['tmp_name'], $path.$filename)) {
if ($file->_sys_filename) {
$prev_path = fwgHelper::getImagePath($file->_sys_filename);
if (file_exists($prev_path.$file->_sys_filename)) {
JFile::delete($prev_path.$file->_sys_filename);
}
}
$info = (array)getimagesize($path.$filename);
$width = (int)JArrayHelper::getValue($info, 0);
$height = (int)JArrayHelper::getValue($info, 1);
$size = (int)filesize($path.$filename);
$alt = JFile::stripExt($image['name']);
$db = JFactory::getDBO();
$query = '`width` = '.$width.', `height` = '.$height.', `size` = '.(int)$size.', sys_filename = '.$db->quote($filename).', `filename` = '.$db->quote($image['name']).', `alt` = '.$db->quote($alt);
if ($file->_image_exists) {
$db->setQuery('UPDATE #__fwsg_file_image SET '.$query.' WHERE file_id = '.$file->id);
} else {
$db->setQuery('INSERT INTO #__fwsg_file_image SET '.$query.', file_id = '.$file->id);
}
$db->execute();
$file->_image_exists = true;
$file->_sys_filename = $filename;
fwgHelper::clearImageCache('f'.$file->id);
if ($file->category_id) {
fwgHelper::clearImageCache('с'.$file->category_id);
}
return true;
}
}
}
static function rotate($path, $filename, $rotate) {
if ($image = JHTMLfwSgImage::get($path, $filename)) {
$image = imagerotate($image, $rotate, 0);
JHTMLfwSgImage::put($image, $path, $filename);
}
}
}