← All changes | back/Helpers/ImageHelper.php +22 -0 10.11.1 → 11.1.0 View file →

		@@ -6,10 +6,13 @@
6	6
7	7	class ImageHelper extends AcymObject
8	8	{
9	9	public string $error = '';
	10	+ // New Height the picture should be
10	11	public int $maxHeight;
	12	+ // New Width the picture should be
11	13	public int $maxWidth;
	14	+ // Folder where pictures should be stored
12	15	public string $destination;
13	16
14	17	public function removePictures(string $text): string
15	18	{
		@@ -14,8 +17,9 @@
14	17	public function removePictures(string $text): string
15	18	{
16	19	$return = preg_replace('#< *img((?!content_main_image)[^>])*>#Ui', '', $text);
17	20
	21	+ // Clean JCE caption
18	22	return preg_replace('#< *div[^>]*class="jce_caption"[^>]*>[^<]*(< *div[^>]*>[^<]*<\/div>)*[^<]*<\/div>#Ui', '', $return);
19	23	}
20	24
21	25	public function available(): bool
		@@ -38,8 +42,9 @@
38	42
39	43	return true;
40	44	}
41	45
	46	+ //This function will check all images from the input and return an output with the pictures transformed with the right size
42	47	public function resizePictures(string $input): string
43	48	{
44	49	$this->destination = ACYM_MEDIA.'resized'.DS;
45	50	acym_createDir($this->destination);
		@@ -44,8 +49,9 @@
44	49	$this->destination = ACYM_MEDIA.'resized'.DS;
45	50	acym_createDir($this->destination);
46	51	$content = acym_absoluteURL($input);
47	52
	53	+ //regex take all images:
48	54	preg_match_all('#<img([^>]*)>#Ui', $content, $results);
49	55	if (empty($results[1])) {
50	56	return $input;
51	57	}
		@@ -52,19 +58,24 @@
52	58
53	59	$replace = [];
54	60
55	61	foreach ($results[1] as $onepicture) {
	62	+ //Check if there the "donotresize" element inside, we don't resize it.
	63	+ //It can be either in the class or in the filename itself
56	64	if (strpos($onepicture, 'donotresize') !== false) {
57	65	continue;
58	66	}
59	67
	68	+ //Take the path
60	69	if (!preg_match('#src="([^"]*)"#Ui', $onepicture, $path)) {
61	70	continue;
62	71	}
63	72	$imageUrl = $path[1];
64	73
	74	+ //images paths on joomla 4 have some content like : #joomlaImage... , we delete it to get and resize the image without errors
65	75	$imageUrl = preg_replace('/#joomlaImage.*/', '', $imageUrl);
66	76
	77	+ //We are nice guys... sometimes users use www. or not... so we convert both, same thing for httpS or http
67	78	$imageUrl = acym_internalUrlToPath($imageUrl);
68	79
69	80	$newPicture = $this->generateThumbnail($imageUrl);
70	81
		@@ -69,8 +80,9 @@
69	80	$newPicture = $this->generateThumbnail($imageUrl);
70	81
71	82	$newDimension = 'max-width:'.$this->maxWidth.'px;max-height:'.$this->maxHeight.'px;';
72	83
	84	+ //Maybe we don't need to resize anything...
73	85	if (empty($newPicture)) {
74	86	if (strpos($onepicture, 'style="') !== false) {
75	87	$replace[$onepicture] = preg_replace('#style="([^"]*)"#Uis', 'style="'.$newDimension.'$1"', $onepicture);
76	88	} else {
		@@ -78,12 +90,15 @@
78	90	}
79	91	continue;
80	92	}
81	93
	94	+ //Because the ACYM_ROOT may be empty, we only make sure to replace the first instance found.
82	95	$newPicture['file'] = preg_replace('#^'.preg_quote(ACYM_ROOT, '#').'#i', ACYM_LIVE, $newPicture['file']);
83	96	$newPicture['file'] = str_replace(DS, '/', $newPicture['file']);
	97	+ //replace the image url now with the new one...
84	98	$replaceImage = [];
85	99	$replaceImage[$path[1]] = $newPicture['file'];
	100	+ //replace information if we had some (height,width...)
86	101	if (preg_match_all('#(width|height)(:|=) *"?([0-9]+)#i', $onepicture, $resultsSize)) {
87	102	foreach ($resultsSize[0] as $i => $oneArg) {
88	103	$newVal = (strtolower($resultsSize[1][$i]) == 'width') ? $newPicture['width'] : $newPicture['height'];
89	104	if ($newVal > $resultsSize[3][$i]) {
		@@ -94,8 +109,9 @@
94	109	}
95	110
96	111	$replace[$onepicture] = str_replace(array_keys($replaceImage), $replaceImage, $onepicture);
97	112
	113	+ // Make sure that we resized the image
98	114	if (strpos($replace[$onepicture], 'width') === false) {
99	115	if (strpos($onepicture, 'style="') !== false) {
100	116	$replace[$onepicture] = preg_replace('#style="([^"]*)"#Uis', 'style="'.$newDimension.'$1"', $replace[$onepicture]);
101	117	} else {
		@@ -135,8 +151,9 @@
135	151	$filename = basename($picturePath);
136	152	}
137	153
138	154	if (substr($picturePath, 0, 10) == 'data:image') {
	155	+ //It's a picture in base64 encoding... we will apply an extension name and name based on the content...
139	156	preg_match('#data:image/([^;]{1,5});#', $picturePath, $resultextension);
140	157	if (empty($resultextension[1])) {
141	158	return [];
142	159	}
		@@ -144,8 +161,10 @@
144	161	$name = md5($picturePath);
145	162	} else {
146	163	$extension = strtolower(substr($filename, strrpos($filename, '.') + 1));
147	164	$name = strtolower(substr($filename, 0, strrpos($filename, '.')));
	165	+ //We add the creation date of the file so if the file is modified, we will generate a new thumbnail
	166	+ //No need to use the full date, the last 4 characters will be enough!
148	167	$name .= substr(@filemtime($picturePath), -4);
149	168	}
150	169
151	170	$newImage = md5($picturePath).'-'.$name.'thumb'.$this->maxWidth.'x'.$this->maxHeight.'.'.$extension;
		@@ -154,8 +173,9 @@
154	173	} else {
155	174	$newFile = $this->destination.$newImage;
156	175	}
157	176
	177	+ //The new file already exists, we don't have to create a new one
158	178	if (file_exists($newFile)) {
159	179	return [
160	180	'file' => $newFile,
161	181	'width' => $newWidth,
		@@ -162,8 +182,9 @@
162	182	'height' => $newHeight,
163	183	];
164	184	}
165	185
	186	+ // Checks the real file type as it can be renamed, but not available on all servers
166	187	if (function_exists('exif_imagetype')) {
167	188	$imageRealType = exif_imagetype($picturePath);
168	189	} else {
169	190	if ($extension === 'gif') {
		@@ -235,8 +256,9 @@
235	256	$status = $status && acym_writeFile($newFile, $imageContent);
236	257	imagedestroy($thumb);
237	258	imagedestroy($img);
238	259
	260	+ //We could not create the picture... so let's resize it anyway
239	261	if (!$status) {
240	262	$newFile = $picturePath;
241	263	}
242	264