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[friendica.git] / include / Photo.php
1 <?php
2
3 if(! class_exists("Photo")) {
4 class Photo {
5
6         private $image;
7         private $width;
8         private $height;
9         private $valid;
10
11         public function __construct($data) {
12                 $this->valid = false;
13                 $this->image = @imagecreatefromstring($data);
14                 if($this->image !== FALSE) {
15                         $this->width  = imagesx($this->image);
16                         $this->height = imagesy($this->image);
17                         $this->valid  = true;
18                 }
19         }
20
21         public function __destruct() {
22                 if($this->image)
23                         imagedestroy($this->image);
24         }
25
26         public function is_valid() {
27                 return $this->valid;
28         }
29
30         public function getWidth() {
31                 return $this->width;
32         }
33
34         public function getHeight() {
35                 return $this->height;
36         }
37
38         public function getImage() {
39                 return $this->image;
40         }
41
42         public function scaleImage($max) {
43
44                 $width = $this->width;
45                 $height = $this->height;
46
47                 $dest_width = $dest_height = 0;
48
49                 if((! $width)|| (! $height))
50                         return FALSE;
51
52                 if($width > $max && $height > $max) {
53                         if($width > $height) {
54                                 $dest_width = $max;
55                                 $dest_height = intval(( $height * $max ) / $width);
56                         }
57                         else {
58                                 $dest_width = intval(( $width * $max ) / $height);
59                                 $dest_height = $max;
60                         }
61                 }
62                 else {
63                         if( $width > $max ) {
64                                 $dest_width = $max;
65                                 $dest_height = intval(( $height * $max ) / $width);
66                         }
67                         else {
68                                 if( $height > $max ) {
69                                         $dest_width = intval(( $width * $max ) / $height);
70                                         $dest_height = $max;
71                                 }
72                                 else {
73                                         $dest_width = $width;
74                                         $dest_height = $height;
75                                 }
76                         }
77                 }
78
79
80                 $dest = imagecreatetruecolor( $dest_width, $dest_height );
81                 imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
82                 if($this->image)
83                         imagedestroy($this->image);
84                 $this->image = $dest;
85                 $this->width  = imagesx($this->image);
86                 $this->height = imagesy($this->image);
87
88         }
89
90
91
92         public function scaleImageUp($min) {
93
94                 $width = $this->width;
95                 $height = $this->height;
96
97                 $dest_width = $dest_height = 0;
98
99                 if((! $width)|| (! $height))
100                         return FALSE;
101
102                 if($width < $min && $height < $min) {
103                         if($width > $height) {
104                                 $dest_width = $min;
105                                 $dest_height = intval(( $height * $min ) / $width);
106                         }
107                         else {
108                                 $dest_width = intval(( $width * $min ) / $height);
109                                 $dest_height = $min;
110                         }
111                 }
112                 else {
113                         if( $width < $min ) {
114                                 $dest_width = $min;
115                                 $dest_height = intval(( $height * $min ) / $width);
116                         }
117                         else {
118                                 if( $height < $min ) {
119                                         $dest_width = intval(( $width * $min ) / $height);
120                                         $dest_height = $min;
121                                 }
122                                 else {
123                                         $dest_width = $width;
124                                         $dest_height = $height;
125                                 }
126                         }
127                 }
128
129
130                 $dest = imagecreatetruecolor( $dest_width, $dest_height );
131                 imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
132                 if($this->image)
133                         imagedestroy($this->image);
134                 $this->image = $dest;
135                 $this->width  = imagesx($this->image);
136                 $this->height = imagesy($this->image);
137
138         }
139
140
141
142         public function scaleImageSquare($dim) {
143
144                 $dest = imagecreatetruecolor( $dim, $dim );
145                 imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dim, $dim, $this->width, $this->height);
146                 if($this->image)
147                         imagedestroy($this->image);
148                 $this->image = $dest;
149                 $this->width  = imagesx($this->image);
150                 $this->height = imagesy($this->image);
151         }
152
153
154         public function cropImage($max,$x,$y,$w,$h) {
155                 $dest = imagecreatetruecolor( $max, $max );
156                 imagecopyresampled($dest, $this->image, 0, 0, $x, $y, $max, $max, $w, $h);
157                 if($this->image)
158                         imagedestroy($this->image);
159                 $this->image = $dest;
160                 $this->width  = imagesx($this->image);
161                 $this->height = imagesy($this->image);
162         }
163
164         public function saveImage($path) {
165                 $quality = get_config('system','jpeg_quality');
166                 if((! $quality) || ($quality > 100))
167                         $quality = JPEG_QUALITY;
168                 imagejpeg($this->image,$path,$quality);
169         }
170
171         public function imageString() {
172                 ob_start();
173
174                 $quality = get_config('system','jpeg_quality');
175                 if((! $quality) || ($quality > 100))
176                         $quality = JPEG_QUALITY;
177
178                 imagejpeg($this->image,NULL,$quality);
179                 $s = ob_get_contents();
180                 ob_end_clean();
181                 return $s;
182         }
183
184
185
186         public function store($uid, $cid, $rid, $filename, $album, $scale, $profile = 0, $allow_cid = '', $allow_gid = '', $deny_cid = '', $deny_gid = '') {
187
188                 $r = q("select `guid` from photo where `resource-id` = '%s' and `guid` != '' limit 1",
189                         dbesc($rid)
190                 );
191                 if(count($r))
192                         $guid = $r[0]['guid'];
193                 else
194                         $guid = get_guid();
195
196                 $r = q("INSERT INTO `photo`
197                         ( `uid`, `contact-id`, `guid`, `resource-id`, `created`, `edited`, `filename`, `album`, `height`, `width`, `data`, `scale`, `profile`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid` )
198                         VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, '%s', '%s', '%s', '%s' )",
199                         intval($uid),
200                         intval($cid),
201                         dbesc($guid),
202                         dbesc($rid),
203                         dbesc(datetime_convert()),
204                         dbesc(datetime_convert()),
205                         dbesc(basename($filename)),
206                         dbesc($album),
207                         intval($this->height),
208                         intval($this->width),
209                         dbesc($this->imageString()),
210                         intval($scale),
211                         intval($profile),
212                         dbesc($allow_cid),
213                         dbesc($allow_gid),
214                         dbesc($deny_cid),
215                         dbesc($deny_gid)
216                 );
217                 return $r;
218         }
219
220
221
222
223
224 }}
225
226
227 function import_profile_photo($photo,$uid,$cid) {
228
229         $a = get_app();
230
231         $photo_failure = false;
232
233         $filename = basename($photo);
234         $img_str = fetch_url($photo,true);
235         $img = new Photo($img_str);
236         if($img->is_valid()) {
237
238                 $img->scaleImageSquare(175);
239                                         
240                 $hash = photo_new_resource();
241
242                 $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 4 );
243
244                 if($r === false)
245                         $photo_failure = true;
246
247                 $img->scaleImage(80);
248
249                 $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 5 );
250
251                 if($r === false)
252                         $photo_failure = true;
253
254                 $img->scaleImage(48);
255
256                 $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 6 );
257
258                 if($r === false)
259                         $photo_failure = true;
260
261
262
263                 $photo = $a->get_baseurl() . '/photo/' . $hash . '-4.jpg';
264                 $thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.jpg';
265                 $micro = $a->get_baseurl() . '/photo/' . $hash . '-6.jpg';
266         }
267         else
268                 $photo_failure = true;
269
270         if($photo_failure) {
271                 $photo = $a->get_baseurl() . '/images/default-profile.jpg';
272                 $thumb = $a->get_baseurl() . '/images/default-profile-sm.jpg';
273                 $micro = $a->get_baseurl() . '/images/default-profile-mm.jpg';
274         }
275
276         return(array($photo,$thumb,$micro));
277
278 }