← All changes | back/Helpers/ImageHelper.php +0 -248 10.0.1 → 11.1.1 View file →

		@@ -1,248 +1,0 @@
1		-<?php
2		-
3		-namespace AcyMailing\Helpers;
4		-
5		-use AcyMailing\Core\AcymObject;
6		-
7		-class ImageHelper extends AcymObject
8		-{
9		- var $error;
10		- var $maxHeight;
11		- var $maxWidth;
12		- var $destination;
13		-
14		- public function removePictures($text)
15		- {
16		- $return = preg_replace('#< *img((?!content_main_image)[^>])*>#Ui', '', $text);
17		- $return = preg_replace('#< *div[^>]*class="jce_caption"[^>]*>[^<]*(< *div[^>]*>[^<]*<\/div>)*[^<]*<\/div>#Ui', '', $return);
18		-
19		- return $return;
20		- }
21		-
22		- public function available()
23		- {
24		- if (!function_exists('gd_info')) {
25		- $this->error = 'The GD library is not installed.';
26		-
27		- return false;
28		- }
29		- if (!function_exists('getimagesize')) {
30		- $this->error = 'Cound not find getimagesize function';
31		-
32		- return false;
33		- }
34		- if (!function_exists('imagealphablending')) {
35		- $this->error = "Please make sure you're using GD 2.0.1 or later version";
36		-
37		- return false;
38		- }
39		-
40		- return true;
41		- }
42		-
43		- public function resizePictures($input)
44		- {
45		- $this->destination = ACYM_MEDIA.'resized'.DS;
46		- acym_createDir($this->destination);
47		- $content = acym_absoluteURL($input);
48		-
49		- preg_match_all('#<img([^>]*)>#Ui', $content, $results);
50		- if (empty($results[1])) {
51		- return $input;
52		- }
53		-
54		- $replace = [];
55		-
56		- foreach ($results[1] as $onepicture) {
57		- if (strpos($onepicture, 'donotresize') !== false) {
58		- continue;
59		- }
60		-
61		- if (!preg_match('#src="([^"]*)"#Ui', $onepicture, $path)) {
62		- continue;
63		- }
64		- $imageUrl = $path[1];
65		-
66		- $imageUrl = preg_replace('/#joomlaImage.*/', '', $imageUrl);
67		-
68		- $imageUrl = acym_internalUrlToPath($imageUrl);
69		-
70		- $newPicture = $this->generateThumbnail($imageUrl);
71		-
72		- $newDimension = 'max-width:'.$this->maxWidth.'px;max-height:'.$this->maxHeight.'px;';
73		-
74		- if (!$newPicture) {
75		- if (strpos($onepicture, 'style="') !== false) {
76		- $replace[$onepicture] = preg_replace('#style="([^"]*)"#Uis', 'style="'.$newDimension.'$1"', $onepicture);
77		- } else {
78		- $replace[$onepicture] = ' style="'.$newDimension.'" '.$onepicture;
79		- }
80		- continue;
81		- }
82		-
83		- $newPicture['file'] = preg_replace('#^'.preg_quote(ACYM_ROOT, '#').'#i', ACYM_LIVE, $newPicture['file']);
84		- $newPicture['file'] = str_replace(DS, '/', $newPicture['file']);
85		- $replaceImage = [];
86		- $replaceImage[$path[1]] = $newPicture['file'];
87		- if (preg_match_all('#(width|height)(:|=) *"?([0-9]+)#i', $onepicture, $resultsSize)) {
88		- foreach ($resultsSize[0] as $i => $oneArg) {
89		- $newVal = (strtolower($resultsSize[1][$i]) == 'width') ? $newPicture['width'] : $newPicture['height'];
90		- if ($newVal > $resultsSize[3][$i]) {
91		- continue;
92		- }
93		- $replaceImage[$oneArg] = str_replace($resultsSize[3][$i], $newVal, $oneArg);
94		- }
95		- }
96		-
97		- $replace[$onepicture] = str_replace(array_keys($replaceImage), $replaceImage, $onepicture);
98		-
99		- if (strpos($replace[$onepicture], 'width') === false) {
100		- if (strpos($onepicture, 'style="') !== false) {
101		- $replace[$onepicture] = preg_replace('#style="([^"]*)"#Uis', 'style="'.$newDimension.'$1"', $replace[$onepicture]);
102		- } else {
103		- $replace[$onepicture] = ' style="'.$newDimension.'" '.$replace[$onepicture];
104		- }
105		- }
106		- }
107		-
108		- if (!empty($replace)) {
109		- $input = str_replace(array_keys($replace), $replace, $content);
110		- }
111		-
112		- return $input;
113		- }
114		-
115		- public function generateThumbnail($picturePath)
116		- {
117		- $paramsPos = strpos($picturePath, '?');
118		- if ($paramsPos !== false) $picturePath = substr($picturePath, 0, $paramsPos);
119		-
120		- [$currentwidth, $currentheight] = @getimagesize($picturePath);
121		- if (empty($currentwidth) || empty($currentheight)) {
122		- return false;
123		- }
124		- $factor = min($this->maxWidth / $currentwidth, $this->maxHeight / $currentheight);
125		- if ($factor >= 1) {
126		- return false;
127		- }
128		- $newWidth = round($currentwidth * $factor);
129		- $newHeight = round($currentheight * $factor);
130		-
131		- if (strpos($picturePath, 'http') === 0) {
132		- $filename = substr($picturePath, strrpos($picturePath, '/') + 1);
133		- } else {
134		- $filename = basename($picturePath);
135		- }
136		-
137		- if (substr($picturePath, 0, 10) == 'data:image') {
138		- preg_match('#data:image/([^;]{1,5});#', $picturePath, $resultextension);
139		- if (empty($resultextension[1])) {
140		- return false;
141		- }
142		- $extension = $resultextension[1];
143		- $name = md5($picturePath);
144		- } else {
145		- $extension = strtolower(substr($filename, strrpos($filename, '.') + 1));
146		- $name = strtolower(substr($filename, 0, strrpos($filename, '.')));
147		- $name .= substr(@filemtime($picturePath), -4);
148		- }
149		-
150		- $newImage = md5($picturePath).'-'.$name.'thumb'.$this->maxWidth.'x'.$this->maxHeight.'.'.$extension;
151		- if (empty($this->destination)) {
152		- $newFile = dirname($picturePath).DS.$newImage;
153		- } else {
154		- $newFile = $this->destination.$newImage;
155		- }
156		-
157		- if (file_exists($newFile)) {
158		- return [
159		- 'file' => $newFile,
160		- 'width' => $newWidth,
161		- 'height' => $newHeight,
162		- ];
163		- }
164		-
165		- if (function_exists('exif_imagetype')) {
166		- $imageRealType = exif_imagetype($picturePath);
167		- } else {
168		- if ($extension === 'gif') {
169		- $imageRealType = IMAGETYPE_GIF;
170		- } elseif ($extension === 'jpg' || $extension === 'jpeg') {
171		- $imageRealType = IMAGETYPE_JPEG;
172		- } elseif ($extension === 'png') {
173		- $imageRealType = IMAGETYPE_PNG;
174		- } elseif ($extension === 'webp') {
175		- $imageRealType = IMAGETYPE_WEBP;
176		- } else {
177		- return false;
178		- }
179		- }
180		-
181		- switch ($imageRealType) {
182		- case IMAGETYPE_GIF:
183		- $img = imagecreatefromgif($picturePath);
184		- break;
185		- case IMAGETYPE_JPEG:
186		- $img = imagecreatefromjpeg($picturePath);
187		- break;
188		- case IMAGETYPE_PNG:
189		- $img = imagecreatefrompng($picturePath);
190		- break;
191		- case IMAGETYPE_WEBP:
192		- if (function_exists('imagecreatefromwebp')) {
193		- $img = imagecreatefromwebp($picturePath);
194		- }
195		- break;
196		- default:
197		- return false;
198		- }
199		-
200		- if (empty($img)) {
201		- return false;
202		- }
203		-
204		- $thumb = imagecreatetruecolor($newWidth, $newHeight);
205		-
206		- if (in_array($imageRealType, [IMAGETYPE_GIF, IMAGETYPE_PNG])) {
207		- imagealphablending($thumb, false);
208		- imagesavealpha($thumb, true);
209		- }
210		-
211		- if (function_exists('imagecopyresampled')) {
212		- imagecopyresampled($thumb, $img, 0, 0, 0, 0, $newWidth, $newHeight, $currentwidth, $currentheight);
213		- } else {
214		- ImageCopyResized($thumb, $img, 0, 0, 0, 0, $newWidth, $newHeight, $currentwidth, $currentheight);
215		- }
216		-
217		- ob_start();
218		- switch ($imageRealType) {
219		- case IMAGETYPE_GIF:
220		- $status = imagegif($thumb);
221		- break;
222		- case IMAGETYPE_JPEG:
223		- $status = imagejpeg($thumb, null, 100);
224		- break;
225		- case IMAGETYPE_PNG:
226		- $status = imagepng($thumb, null, 0);
227		- break;
228		- case IMAGETYPE_WEBP:
229		- $status = imagewebp($thumb, null, 100);
230		- break;
231		- }
232		- $imageContent = ob_get_clean();
233		-
234		- $status = $status && acym_writeFile($newFile, $imageContent);
235		- imagedestroy($thumb);
236		- imagedestroy($img);
237		-
238		- if (!$status) {
239		- $newFile = $picturePath;
240		- }
241		-
242		- return [
243		- 'file' => $newFile,
244		- 'width' => $newWidth,
245		- 'height' => $newHeight,
246		- ];
247		- }
248		-}