if we specify the image size before, the screen doesn't flickering
[phpfspot.git] / phpfspot.class.php
1 <?php
2
3 require_once "phpfspot_cfg.php";
4 require_once "phpfspot_db.php";
5 require_once "phpfspot_tmpl.php";
6
7 class PHPFSPOT {
8
9    var $cfg;
10    var $db;
11    var $cfg_db;
12    var $tmpl;
13    var $tags;
14    var $avail_tags;
15    var $current_tags;
16
17    public function __construct()
18    {
19       $this->cfg = new PHPFSPOT_CFG;
20
21       $this->db = new PHPFSPOT_DB(&$this, $this->cfg->fspot_db);
22       $this->cfg_db = new PHPFSPOT_DB(&$this, $this->cfg->phpfspot_db);
23       $this->tmpl = new PHPFSPOT_TMPL($this);
24
25       $this->get_tags();
26
27    } // __construct()
28
29    public function __destruct()
30    {
31
32    } // __destruct()
33
34    public function show()
35    {
36       $this->tmpl->assign('page_title', $this->cfg->page_title);
37       $this->tmpl->show("index.tpl");
38
39    } // show()
40
41    private function get_tags()
42    {
43       $this->avail_tags = Array();
44       $count = 0;
45    
46       $result = $this->db->db_query("
47          SELECT id,name
48          FROM tags
49          ORDER BY sort_priority ASC
50       ");
51       
52       while($row = $this->db->db_fetch_object($result)) {
53
54          $tag_id = $row['id'];
55          $tag_name = $row['name'];
56
57          $this->tags[$tag_id] = $tag_name; 
58          $this->avail_tags[$count] = $tag_id;
59
60          $count++;
61
62       }
63
64    } // get_tags()
65
66    public function get_photo_details($idx)
67    {
68       $result = $this->db->db_query("
69          SELECT *
70          FROM photos
71          WHERE id='". $idx ."'
72       ");
73       
74       return $this->db->db_fetch_object($result);
75
76    } // get_photo_details
77
78    public function translate_path($path, $width = 0)
79    {  
80       return str_replace($this->cfg->path_replace_from, $this->cfg->path_replace_to, $path);
81
82    } // translate_path
83
84    public function showPhoto($photo)
85    {
86       $all_photos = $this->getAllTagPhotos();
87
88       foreach($all_photos as $all_photo) {
89          
90          if($get_next) {
91             $next_img = $all_photo;
92             break;
93          }
94
95          if($all_photo == $photo) {
96             $get_next = 1;
97          }
98          else {
99             $previous_img = $all_photo;
100          }
101       }
102
103
104       $details = $this->get_photo_details($photo);
105       $meta = $this->get_meta_informations($this->translate_path($details['directory_path']) ."/". $details['name']);
106       $info = getimagesize($this->translate_path($details['directory_path']) ."/thumbs/". $this->cfg->photo_width ."_". $details['name']);
107
108       $this->tmpl->assign('width', $info[0]);
109       $this->tmpl->assign('height', $info[1]);
110       $this->tmpl->assign('c_date', $meta['DateTime']);
111       $this->tmpl->assign('madewith', $meta['Make'] ." ". $meta['Model']);
112       $this->tmpl->assign('image_name', $details['name']);
113       $this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&amp;width=". $this->cfg->photo_width);
114
115       if($previous_img) {
116          $this->tmpl->assign('previous_url', "javascript:showImage(". $previous_img .");");
117       }
118
119       if($next_img) {
120          $this->tmpl->assign('next_url', "javascript:showImage(". $next_img .");");
121       }
122
123       $this->tmpl->show("single_photo.tpl");
124
125    } // showPhoto()
126
127    public function getAvailableTags()
128    {
129       foreach($this->avail_tags as $tag)
130       {
131          if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags']))
132             continue;
133
134          // return all available (= not selected) tags
135          print "<a href=\"javascript:Tags('add', ". $tag .");\">". $this->tags[$tag] ."</a>&nbsp;";
136
137       }
138
139    } // getAvailableTags()
140
141    public function getSelectedTags()
142    {
143       foreach($this->avail_tags as $tag)
144       {
145          // return all selected tags
146          if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags'])) {
147             print "<a href=\"javascript:Tags('del', ". $tag .");\">". $this->tags[$tag] ."</a>&nbsp;";
148          }
149
150       }
151
152    } // getSelectedTags()
153
154    public function addTag($tag)
155    {
156       if(!isset($_SESSION['selected_tags']))
157          $_SESSION['selected_tags'] = Array();
158
159       array_push($_SESSION['selected_tags'], $tag);
160    
161    } // addTag()
162
163    public function delTag($tag)
164    {
165       if(isset($_SESSION['selected_tags'])) {
166          $key = array_search($tag, $_SESSION['selected_tags']);
167          unset($_SESSION['selected_tags'][$key]);
168       }
169
170    } // delTag()
171
172    public function resetTags()
173    {
174       unset($_SESSION['selected_tags']);
175
176    } // resetTags()
177
178    public function getAllTagPhotos()
179    {  
180       $tagged_photos = Array();
181
182       if(isset($_SESSION['selected_tags'])) {
183          $selected = "";
184          foreach($_SESSION['selected_tags'] as $tag)
185             $selected.= $tag .",";
186          $selected = substr($selected, 0, strlen($selected)-1);
187          $result = $this->db->db_query("
188             SELECT DISTINCT photo_id
189                FROM photo_tags pt
190             INNER JOIN photos p
191                ON p.id=pt.photo_id
192             WHERE pt.tag_id IN (". $selected .")
193             ORDER BY p.time ASC
194          ");
195       }
196       else {
197          $result = $this->db->db_query("
198             SELECT DISTINCT photo_id
199                FROM photo_tags pt
200             INNER JOIN photos p
201                ON p.id=pt.photo_id
202             ORDER BY p.time ASC
203          ");
204       }
205
206       while($row = $this->db->db_fetch_object($result)) {
207          array_push($tagged_photos, $row['photo_id']);
208       }
209
210       return $tagged_photos;
211
212    } // getAllTagPhotos()
213
214    public function showPhotoIndex()
215    {
216       $photos = $this->getAllTagPhotos();
217       $count = count($photos);
218
219       $rows = 0;
220       $cols = 0;
221       $images[$rows] = Array();
222
223       for($i = 0; $i < $count; $i++) {
224
225          $images[$rows][$cols] = $photos[$i];
226
227          if($cols == $this->cfg->thumbs_per_row-1) {
228             $cols = 0;
229             $rows++;
230             $images[$rows] = Array();
231          }
232          else {
233             $cols++;
234          }
235       } 
236
237       // +1 for for smarty's selection iteration
238       $rows++;
239
240          //$images.= "<img src=\"phpfspot_img.php?idx=". $photo ."&amp;width=". $this->cfg->thumb_width ."\" /><br />\n";
241
242       $this->tmpl->assign('count', $count);
243       $this->tmpl->assign('width', $this->cfg->thumb_width);
244       $this->tmpl->assign('images', $images);
245       $this->tmpl->assign('rows', $rows);
246       $this->tmpl->assign('columns', $this->cfg->thumbs_per_row);
247       $this->tmpl->show("photo_index.tpl");
248
249
250    } // showPhotoIndex()
251
252    public function showBubbleDetails($photo, $direction)
253    {
254       if($direction == "up")
255          $direction = "bubbleimg_up";
256       else
257          $direction = "bubbleimg_down";
258
259       $details = $this->get_photo_details($photo);
260
261       $image_url = "phpfspot_img.php?idx=". $photo ."&amp;width=200";
262
263       $filesize = filesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
264       $filesize = rand($filesize/1024, 2);
265
266       $img = getimagesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
267
268       $this->tmpl->assign('file_size', $filesize);
269       $this->tmpl->assign('width', $img[0]);
270       $this->tmpl->assign('height', $img[1]);
271       $this->tmpl->assign('file_name', $details['name']);
272       $this->tmpl->assign('image_id', $direction);
273       $this->tmpl->assign('image_url', $image_url);
274       $this->tmpl->show("bubble_details.tpl");
275
276    } // showBubbleDetails()
277
278    public function showCredits()
279    {
280       $this->tmpl->assign('version', $this->cfg->version);
281       $this->tmpl->assign('product', $this->cfg->product);
282       $this->tmpl->show("credits.tpl");
283
284    } // showCredits()
285
286    public function resize_image($image, $width)
287    {  
288       // if thumbnail already exists, don't recreate it
289       if(file_exists(dirname($image) ."/thumbs/". $width ."_". basename($image)))
290          return;
291
292       $src_img = @imagecreatefromjpeg($image);
293
294       if($src_img)
295       {  
296          /* grabs the height and width */
297          $new_w = imagesx($src_img);
298          $new_h = imagesy($src_img);
299
300          // If requested width is more then the actual image width,
301          // do not generate a thumbnail
302
303          if($width >= $new_w) {
304             imagedestroy($src_img);
305             return;
306          }
307
308          /* calculates aspect ratio */
309          $aspect_ratio = $new_h / $new_w;
310
311          /* sets new size */
312          $new_w = $width;
313          $new_h = abs($new_w * $aspect_ratio);
314
315          /* creates new image of that size */
316          $dst_img = imagecreatetruecolor($new_w,$new_h);
317
318          imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
319
320          /* copies resized portion of original image into new image */
321          imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
322
323          /* write down new generated file */
324
325          if(!file_exists(dirname($image) ."/thumbs"))
326             mkdir(dirname($image) ."/thumbs");
327
328          $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
329          imagejpeg($dst_img, $newfile, 75);
330
331          /* free your mind */
332          imagedestroy($dst_img);
333          imagedestroy($src_img);
334       }
335
336    } // resize_image()
337
338    public function get_meta_informations($file)
339    {
340
341       return exif_read_data($file);
342
343    } // get_meta_informations()
344
345 }
346
347 ?>