public function __construct()
{
+ /* Check necessary requirements */
+ if(!$this->checkRequirements()) {
+ exit(1);
+ }
+
$this->cfg = new PHPFSPOT_CFG;
$this->db = new PHPFSPOT_DB(&$this, $this->cfg->fspot_db);
+
$this->cfg_db = new PHPFSPOT_DB(&$this, $this->cfg->phpfspot_db);
+ $this->check_config_table();
+
$this->tmpl = new PHPFSPOT_TMPL($this);
$this->get_tags();
+ session_start();
+
+ if(!isset($_SESSION['tag_condition']))
+ $_SESSION['tag_condition'] = 'or';
+
+ if(!isset($_SESSION['searchfor']))
+ $_SESSION['searchfor'] = '';
+
} // __construct()
public function __destruct()
public function show()
{
+ $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
$this->tmpl->assign('page_title', $this->cfg->page_title);
+ $this->tmpl->assign('current_condition', $_SESSION['tag_condition']);
+
+ switch($_GET['mode']) {
+ case 'showpi':
+ if(isset($_GET['tags'])) {
+ $_SESSION['selected_tags'] = split(',', $_GET['tags']);
+ }
+ break;
+ }
+
+ $this->tmpl->assign('content_page', 'welcome.tpl');
$this->tmpl->show("index.tpl");
+
} // show()
private function get_tags()
$tag_id = $row['id'];
$tag_name = $row['name'];
+ /* check if config requests to ignore this tag */
+ if(in_array($row['name'], $this->cfg->hide_tags))
+ continue;
+
$this->tags[$tag_id] = $tag_name;
$this->avail_tags[$count] = $tag_id;
public function showPhoto($photo)
{
- $all_photos = $this->getAllTagPhotos();
+ $all_photos = $this->getPhotoSelection();
foreach($all_photos as $all_photo) {
}
}
-
$details = $this->get_photo_details($photo);
- $meta = $this->get_meta_informations($this->translate_path($details['directory_path']) ."/". $details['name']);
- $info = getimagesize($this->translate_path($details['directory_path']) ."/thumbs/". $this->cfg->photo_width ."_". $details['name']);
+ $orig_path = $this->translate_path($details['directory_path']) ."/". $details['name'];
+ $thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->photo_width ."_". $this->getMD5($photo);
+
+ if(!file_exists($orig_path)) {
+ print "Photo ". $orig_path ." does not exist!<br />\n";
+ }
+
+ if(!is_readable($orig_path)) {
+ print "Photo ". $orig_path ." is not readable for user ". get_current_user() ."<br />\n";
+ }
+
+ /* If the thumbnail doesn't exist yet, try to create it */
+ if(!file_exists($thumb_path)) {
+ $this->gen_thumb($photo, 0, 1);
+ }
+
+ $meta = $this->get_meta_informations($orig_path);
+
+ if(file_exists($thumb_path)) {
- $this->tmpl->assign('width', $info[0]);
- $this->tmpl->assign('height', $info[1]);
- $this->tmpl->assign('c_date', $meta['DateTime']);
- $this->tmpl->assign('madewith', $meta['Make'] ." ". $meta['Model']);
- $this->tmpl->assign('image_name', $details['name']);
- $this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&width=". $this->cfg->photo_width);
+ $info = getimagesize($thumb_path);
+
+ $this->tmpl->assign('description', $details['description']);
+ $this->tmpl->assign('image_name', $details['name']);
+
+ $this->tmpl->assign('width', $info[0]);
+ $this->tmpl->assign('height', $info[1]);
+ $this->tmpl->assign('ExifMadeOn', strftime("%a %x %X", $meta['FileDateTime']));
+ $this->tmpl->assign('ExifMadeWith', $meta['Make'] ." ". $meta['Model']);
+ $this->tmpl->assign('ExifOrigResolution', $meta['ExifImageWidth'] ."x". $meta['ExifImageLength']);
+ $this->tmpl->assign('ExifFileSize', round($meta['FileSize']/1024, 1));
+
+ $this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&width=". $this->cfg->photo_width);
+ $this->tmpl->assign('image_url_full', 'phpfspot_img.php?idx='. $photo);
+
+ $this->tmpl->assign('tags', $this->get_photo_tags($photo));
+ }
+ else {
+ print "Can't open file ". $thumb_path ."\n";
+ }
if($previous_img) {
$this->tmpl->assign('previous_url', "javascript:showImage(". $previous_img .");");
public function getAvailableTags()
{
- foreach($this->avail_tags as $tag)
- {
- if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags']))
+ $result = $this->db->db_query("
+ SELECT tag_id as id, count(tag_id) as quantity
+ FROM photo_tags
+ INNER JOIN tags t
+ ON t.id = tag_id
+ GROUP BY tag_id
+ ORDER BY t.name ASC
+ ");
+
+ $tags = Array();
+
+ while($row = $this->db->db_fetch_object($result)) {
+ $tags[$row['id']] = $row['quantity'];
+ }
+
+ // change these font sizes if you will
+ $max_size = 125; // max font size in %
+ $min_size = 75; // min font size in %
+
+ // get the largest and smallest array values
+ $max_qty = max(array_values($tags));
+ $min_qty = min(array_values($tags));
+
+ // find the range of values
+ $spread = $max_qty - $min_qty;
+ if (0 == $spread) { // we don't want to divide by zero
+ $spread = 1;
+ }
+
+ // determine the font-size increment
+ // this is the increase per tag quantity (times used)
+ $step = ($max_size - $min_size)/($spread);
+
+ // loop through our tag array
+ foreach ($tags as $key => $value) {
+
+ if(isset($_SESSION['selected_tags']) && in_array($key, $_SESSION['selected_tags']))
continue;
- // return all available (= not selected) tags
- print "<a href=\"javascript:Tags('add', ". $tag .");\">". $this->tags[$tag] ."</a> ";
+ // calculate CSS font-size
+ // find the $value in excess of $min_qty
+ // multiply by the font-size increment ($size)
+ // and add the $min_size set above
+ $size = $min_size + (($value - $min_qty) * $step);
+ // uncomment if you want sizes in whole %:
+ $size = ceil($size);
+
+ print "<a href=\"javascript:Tags('add', ". $key .");\" class=\"tag\" style=\"font-size: ". $size ."%;\">". $this->tags[$key] ."</a>, ";
}
{
// return all selected tags
if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags'])) {
- print "<a href=\"javascript:Tags('del', ". $tag .");\">". $this->tags[$tag] ."</a> ";
+ print "<a href=\"javascript:Tags('del', ". $tag .");\" class=\"tag\">". $this->tags[$tag] ."</a> ";
}
}
if(!isset($_SESSION['selected_tags']))
$_SESSION['selected_tags'] = Array();
- array_push($_SESSION['selected_tags'], $tag);
+ if(!in_array($tag, $_SESSION['selected_tags']))
+ array_push($_SESSION['selected_tags'], $tag);
} // addTag()
if(isset($_SESSION['selected_tags'])) {
$key = array_search($tag, $_SESSION['selected_tags']);
unset($_SESSION['selected_tags'][$key]);
+ sort($_SESSION['selected_tags']);
}
} // delTag()
} // resetTags()
- public function getAllTagPhotos()
+ public function getPhotoSelection()
{
$tagged_photos = Array();
- if(isset($_SESSION['selected_tags'])) {
- $selected = "";
- foreach($_SESSION['selected_tags'] as $tag)
- $selected.= $tag .",";
- $selected = substr($selected, 0, strlen($selected)-1);
+ /* return a search result */
+ if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '') {
$result = $this->db->db_query("
SELECT DISTINCT photo_id
FROM photo_tags pt
INNER JOIN photos p
ON p.id=pt.photo_id
- WHERE pt.tag_id IN (". $selected .")
- ORDER BY p.time ASC
+ INNER JOIN tags t
+ ON pt.tag_id=t.id
+ WHERE t.name LIKE '%". $_SESSION['searchfor'] ."%'
+ ORDER BY p.time ASC
");
+ while($row = $this->db->db_fetch_object($result)) {
+ array_push($tagged_photos, $row['photo_id']);
+ }
+ return $tagged_photos;
}
- else {
- $result = $this->db->db_query("
- SELECT DISTINCT photo_id
- FROM photo_tags pt
- INNER JOIN photos p
- ON p.id=pt.photo_id
- ORDER BY p.time ASC
- ");
+
+ /* return according the selected tags */
+ if(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
+ $selected = "";
+ foreach($_SESSION['selected_tags'] as $tag)
+ $selected.= $tag .",";
+ $selected = substr($selected, 0, strlen($selected)-1);
+
+ if($_SESSION['tag_condition'] == 'or') {
+ $result = $this->db->db_query("
+ SELECT DISTINCT photo_id
+ FROM photo_tags pt
+ INNER JOIN photos p
+ ON p.id=pt.photo_id
+ WHERE pt.tag_id IN (". $selected .")
+ ORDER BY p.time ASC
+ ");
+ }
+ elseif($_SESSION['tag_condition'] == 'and') {
+
+ /* Join together a table looking like
+
+ pt1.photo_id pt1.tag_id pt2.photo_id pt2.tag_id ...
+
+ so the query can quickly return all images matching the
+ selected tags in an AND condition
+
+ */
+
+ $query_str = "
+ SELECT DISTINCT pt1.photo_id
+ FROM photo_tags pt1
+ ";
+
+ for($i = 0; $i < count($_SESSION['selected_tags']); $i++) {
+ $query_str.= "
+ INNER JOIN photo_tags pt". ($i+2) ."
+ ON pt1.photo_id=pt". ($i+2) .".photo_id
+ ";
+ }
+ $query_str.= "WHERE pt1.tag_id=". $_SESSION['selected_tags'][0];
+ for($i = 1; $i < count($_SESSION['selected_tags']); $i++) {
+ $query_str.= "
+ AND pt". ($i+1) .".tag_id=". $_SESSION['selected_tags'][$i] ."
+ ";
+ }
+ $result = $this->db->db_query($query_str);
+ }
+
+ while($row = $this->db->db_fetch_object($result)) {
+ array_push($tagged_photos, $row['photo_id']);
+ }
+ return $tagged_photos;
}
+ /* return all available photos */
+ $result = $this->db->db_query("
+ SELECT DISTINCT photo_id
+ FROM photo_tags pt
+ INNER JOIN photos p
+ ON p.id=pt.photo_id
+ ORDER BY p.time ASC
+ ");
while($row = $this->db->db_fetch_object($result)) {
array_push($tagged_photos, $row['photo_id']);
}
-
return $tagged_photos;
- } // getAllTagPhotos()
+ } // getPhotoSelection()
public function showPhotoIndex()
{
- $photos = $this->getAllTagPhotos();
+ $photos = $this->getPhotoSelection();
+
$count = count($photos);
+ if(!$_SESSION['begin_with'] || $_SESSION['begin_with'] == 0)
+ $begin_with = 0;
+ else
+ $begin_with = $_SESSION['begin_with'];
+
+ if($this->cfg->rows_per_page == 0)
+ $end_with = $count;
+ else
+ $end_with = $begin_with + ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
+
+
$rows = 0;
$cols = 0;
$images[$rows] = Array();
+ $img_height[$rows] = Array();
+ $img_width[$rows] = Array();
- for($i = 0; $i < $count; $i++) {
+ for($i = $begin_with; $i < $end_with; $i++) {
$images[$rows][$cols] = $photos[$i];
+ $thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->thumb_width ."_". $this->getMD5($photos[$i]);
+
+ if(file_exists($thumb_path)) {
+ $info = getimagesize($thumb_path);
+ $img_width[$rows][$cols] = $info[0];
+ $img_height[$rows][$cols] = $info[1];
+ }
+
if($cols == $this->cfg->thumbs_per_row-1) {
$cols = 0;
$rows++;
$images[$rows] = Array();
+ $img_width[$rows] = Array();
+ $img_height[$rows] = Array();
}
else {
$cols++;
// +1 for for smarty's selection iteration
$rows++;
- //$images.= "<img src=\"phpfspot_img.php?idx=". $photo ."&width=". $this->cfg->thumb_width ."\" /><br />\n";
+ if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '')
+ $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
+ if($this->cfg->rows_per_page != 0) {
+ $previous_start = $begin_with - ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
+ $next_start = $begin_with + ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
+
+ if($begin_with != 0)
+ $this->tmpl->assign("previous_url", "javascript:showPhotoIndex(". $previous_start .");");
+ if($end_with < $count)
+ $this->tmpl->assign("next_url", "javascript:showPhotoIndex(". $next_start .");");
+ }
+
+ $current_tags = "";
+ foreach($_SESSION['selected_tags'] as $tag)
+ $current_tags.= $tag .",";
+ $current_tags = substr($current_tags, 0, strlen($current_tags)-1);
+ $extern_link = "http://". $_SERVER['SERVER_NAME'] ."/index.php?mode=showpi&tags=". $current_tags;
+
+ $this->tmpl->assign('extern_link', $extern_link);
$this->tmpl->assign('count', $count);
$this->tmpl->assign('width', $this->cfg->thumb_width);
$this->tmpl->assign('images', $images);
+ $this->tmpl->assign('img_width', $img_width);
+ $this->tmpl->assign('img_height', $img_height);
$this->tmpl->assign('rows', $rows);
$this->tmpl->assign('columns', $this->cfg->thumbs_per_row);
$this->tmpl->show("photo_index.tpl");
$direction = "bubbleimg_down";
$details = $this->get_photo_details($photo);
+ $orig_path = $this->translate_path($details['directory_path']) ."/". $details['name'];
- $image_url = "phpfspot_img.php?idx=". $photo ."&width=200";
+ $image_url = "phpfspot_img.php?idx=". $photo ."&width=". $this->cfg->bubble_width;
- $filesize = filesize($this->translate_path($details['directory_path']) ."/". $details['name']);
+ $filesize = filesize($orig_path);
$filesize = rand($filesize/1024, 2);
- $img = getimagesize($this->translate_path($details['directory_path']) ."/". $details['name']);
+ if(!file_exists($orig_path)) {
+ print "Photo ". $orig_path ." does not exist!<br />\n";
+ return;
+ }
+
+ if(!is_readable($orig_path)) {
+ print "Photo ". $orig_path ." is not readable for user ". get_current_user() ."<br />\n";
+ return;
+ }
+
+ $img = getimagesize($orig_path);
$this->tmpl->assign('file_size', $filesize);
$this->tmpl->assign('width', $img[0]);
} // showCredits()
- public function resize_image($image, $width)
+ public function create_thumbnail($orig_image, $thumb_image, $width)
{
- // if thumbnail already exists, don't recreate it
- if(file_exists(dirname($image) ."/thumbs/". $width ."_". basename($image)))
- return;
+ if(!file_exists($orig_image))
+ return false;
+
+ $meta = $this->get_meta_informations($orig_image);
+
+ $rotate = 0;
+ $flip = false;
+
+ switch($meta['Orientation']) {
+
+ case 1:
+ $rotate = 0; $flip = false; break;
+ case 2:
+ $rotate = 0; $flip = true; break;
+ case 3:
+ $rotate = 180; $flip = false; break;
+ case 4:
+ $rotate = 180; $flip = true; break;
+ case 5:
+ $rotate = 90; $flip = true; break;
+ case 6:
+ $rotate = 90; $flip = false; break;
+ case 7:
+ $rotate = 270; $flip = true; break;
+ case 8:
+ $rotate = 270; $flip = false; break;
+ }
- $src_img = @imagecreatefromjpeg($image);
+ $src_img = @imagecreatefromjpeg($orig_image);
- if($src_img)
- {
- /* grabs the height and width */
- $new_w = imagesx($src_img);
- $new_h = imagesy($src_img);
+ if(!$src_img) {
+ print "Can't load image from ". $orig_image ."\n";
+ return false;
+ }
- // If requested width is more then the actual image width,
- // do not generate a thumbnail
+ /* grabs the height and width */
+ $new_w = imagesx($src_img);
+ $new_h = imagesy($src_img);
- if($width >= $new_w) {
- imagedestroy($src_img);
- return;
- }
+ // If requested width is more then the actual image width,
+ // do not generate a thumbnail
+
+ if($width >= $new_w) {
+ imagedestroy($src_img);
+ return true;
+ }
- /* calculates aspect ratio */
- $aspect_ratio = $new_h / $new_w;
+ /* calculates aspect ratio */
+ $aspect_ratio = $new_h / $new_w;
- /* sets new size */
- $new_w = $width;
- $new_h = abs($new_w * $aspect_ratio);
+ /* sets new size */
+ $new_w = $width;
+ $new_h = abs($new_w * $aspect_ratio);
- /* creates new image of that size */
- $dst_img = imagecreatetruecolor($new_w,$new_h);
+ /* creates new image of that size */
+ $dst_img = imagecreatetruecolor($new_w, $new_h);
- imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
+ imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
- /* copies resized portion of original image into new image */
- imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
+ /* copies resized portion of original image into new image */
+ imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
- /* write down new generated file */
+ /* needs the image to be flipped horizontal? */
+ if($flip) {
+ print "(FLIP)";
+ $image = $dst_img;
+ for($x = 0; $x < $new_w; $x++) {
+ imagecopy($dst_img, $image, $x, 0, $w - $x - 1, 0, 1, $h);
+ }
+ }
+
+ if($rotate) {
+ print "(ROTATE)";
+ $dst_img = $this->rotateImage($dst_img, $rotate);
+ }
- if(!file_exists(dirname($image) ."/thumbs"))
- mkdir(dirname($image) ."/thumbs");
+ /* write down new generated file */
+ $result = imagejpeg($dst_img, $thumb_image, 75);
- $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
- imagejpeg($dst_img, $newfile, 75);
+ /* free your mind */
+ imagedestroy($dst_img);
+ imagedestroy($src_img);
- /* free your mind */
- imagedestroy($dst_img);
- imagedestroy($src_img);
+ if($result === false) {
+ print "Can't write thumbnail ". $thumb_image ."\n";
+ return false;
}
- } // resize_image()
+ return true;
+
+ } // create_thumbnail()
public function get_meta_informations($file)
{
-
return exif_read_data($file);
} // get_meta_informations()
+ public function check_config_table()
+ {
+ // if the config table doesn't exist yet, create it
+ if(!$this->cfg_db->db_check_table_exists("images")) {
+ $this->cfg_db->db_exec("
+ CREATE TABLE images (
+ img_idx int primary key,
+ img_md5 varchar(32)
+ )
+ ");
+ }
+
+ } // check_config_table
+
+ /**
+ * Generates a thumbnail from photo idx
+ *
+ * This function will generate JPEG thumbnails from provided F-Spot photo
+ * indizes.
+ *
+ * 1. Check if all thumbnail generations (width) are already in place and
+ * readable
+ * 2. Check if the md5sum of the original file has changed
+ * 3. Generate the thumbnails if needed
+ */
+ public function gen_thumb($idx = 0, $fromcmd = 0, $force = 0)
+ {
+ $resolutions = Array(
+ $this->cfg->thumb_width,
+ $this->cfg->bubble_width,
+ $this->cfg->photo_width,
+ );
+
+ $details = $this->get_photo_details($idx);
+ $full_path = $this->translate_path($details['directory_path']) ."/". $details['name'];
+ $file_md5 = md5_file($full_path);
+
+ if($fromcmd) print "Image [". $idx ."] ". $details['name'] ." Thumbnails:";
+
+ $error = 0;
+
+ foreach($resolutions as $resolution) {
+
+ $thumb_path = $this->cfg->base_path ."/thumbs/". $resolution ."_". $file_md5;
+
+ /* if the thumbnail file doesn't exist, create it */
+ if(!file_exists($thumb_path)) {
+
+ if($fromcmd) print " ". $resolution ."px";
+ if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
+ $error = 1;
+
+ }
+
+ /* if the file hasn't changed there is no need to regen the thumb */
+ elseif($file_md5 != $this->getMD5($idx) || $force) {
+
+ if($fromcmd) print " ". $resolution ."px";
+ if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
+ $error = 1;
+
+ }
+ }
+
+ /* set the new/changed MD5 sum for the current photo */
+ if(!$error)
+ $this->setMD5($idx, $file_md5);
+
+ if($fromcmd) print "\n";
+
+ } // gen_thumb()
+
+ public function getMD5($idx)
+ {
+ $result = $this->cfg_db->db_query("
+ SELECT img_md5
+ FROM images
+ WHERE img_idx='". $idx ."'
+ ");
+
+ if(!$result)
+ return 0;
+
+ $img = $this->cfg_db->db_fetch_object($result);
+ return $img['img_md5'];
+
+ } // getMD5()
+
+ private function setMD5($idx, $md5)
+ {
+ $result = $this->cfg_db->db_exec("
+ REPLACE INTO images (img_idx, img_md5)
+ VALUES ('". $idx ."', '". $md5 ."')
+ ");
+
+ } // setMD5()
+
+ public function setTagCondition($mode)
+ {
+ $_SESSION['tag_condition'] = $mode;
+
+ } // setTagCondition()
+
+ public function startTagSearch($searchfor)
+ {
+ $_SESSION['searchfor'] = $searchfor;
+ $_SESSION['selected_tags'] = Array();
+
+ foreach($this->avail_tags as $tag) {
+ if(preg_match('/'. $searchfor .'/i', $this->tags[$tag]))
+ array_push($_SESSION['selected_tags'], $tag);
+ }
+
+ } // startTagSearch()
+
+ private function rotateImage($img, $degrees)
+ {
+ if(function_exists("imagerotate"))
+ $img = imagerotate($img, $degrees, 0);
+ else
+ {
+ function imagerotate($src_img, $angle)
+ {
+ $src_x = imagesx($src_img);
+ $src_y = imagesy($src_img);
+ if ($angle == 180) {
+ $dest_x = $src_x;
+ $dest_y = $src_y;
+ }
+ elseif ($src_x <= $src_y) {
+ $dest_x = $src_y;
+ $dest_y = $src_x;
+ }
+ elseif ($src_x >= $src_y) {
+ $dest_x = $src_y;
+ $dest_y = $src_x;
+ }
+
+ $rotate=imagecreatetruecolor($dest_x,$dest_y);
+ imagealphablending($rotate, false);
+
+ switch ($angle) {
+
+ case 90:
+ for ($y = 0; $y < ($src_y); $y++) {
+ for ($x = 0; $x < ($src_x); $x++) {
+ $color = imagecolorat($src_img, $x, $y);
+ imagesetpixel($rotate, $dest_x - $y - 1, $x, $color);
+ }
+ }
+ break;
+
+ case 270:
+ for ($y = 0; $y < ($src_y); $y++) {
+ for ($x = 0; $x < ($src_x); $x++) {
+ $color = imagecolorat($src_img, $x, $y);
+ imagesetpixel($rotate, $y, $dest_y - $x - 1, $color);
+ }
+ }
+ break;
+
+ case 180:
+ for ($y = 0; $y < ($src_y); $y++) {
+ for ($x = 0; $x < ($src_x); $x++) {
+ $color = imagecolorat($src_img, $x, $y);
+ imagesetpixel($rotate, $dest_x - $x - 1, $dest_y - $y - 1, $color);
+ }
+ }
+ break;
+
+ default: $rotate = $src_img;
+ };
+
+ return $rotate;
+
+ }
+
+ $img = imagerotate($img, $degrees);
+
+ }
+
+ return $img;
+
+ } // rotateImage()
+
+ private function get_photo_tags($idx)
+ {
+ $result = $this->db->db_query("
+ SELECT t.id, t.name
+ FROM tags t
+ INNER JOIN photo_tags pt
+ ON t.id=pt.tag_id
+ WHERE pt.photo_id='". $idx ."'
+ ");
+
+ $tags = Array();
+
+ while($row = $this->db->db_fetch_object($result))
+ $tags[$row['id']] = $row['name'];
+
+ return $tags;
+
+ } // get_photo_tags()
+
+ public function showTextImage($txt, $color=000000, $space=4, $font=4, $w=300)
+ {
+ if (strlen($color) != 6)
+ $color = 000000;
+
+ $int = hexdec($color);
+ $h = imagefontheight($font);
+ $fw = imagefontwidth($font);
+ $txt = explode("\n", wordwrap($txt, ($w / $fw), "\n"));
+ $lines = count($txt);
+ $im = imagecreate($w, (($h * $lines) + ($lines * $space)));
+ $bg = imagecolorallocate($im, 255, 255, 255);
+ $color = imagecolorallocate($im, 0xFF & ($int >> 0x10), 0xFF & ($int >> 0x8), 0xFF & $int);
+ $y = 0;
+
+ foreach ($txt as $text) {
+ $x = (($w - ($fw * strlen($text))) / 2);
+ imagestring($im, $font, $x, $y, $text, $color);
+ $y += ($h + $space);
+ }
+
+ Header("Content-type: image/png");
+ ImagePng($im);
+
+ } // showTextImage()
+
+ private function checkRequirements()
+ {
+ if(!function_exists("imagecreatefromjpeg")) {
+ print "PHP GD library extension is missing<br />\n";
+ $missing = true;
+ }
+
+ if(!function_exists("mysql_connect")) {
+ print "PHP MySQL library extension is missing<br />\n";
+ $missing = true;
+ }
+
+ if(!function_exists("sqlite3_open")) {
+ print "PHP SQLite3 library extension is missing<br />\n";
+ $missing = true;
+ }
+
+ /* Check for HTML_AJAX PEAR package, lent from Horde project */
+ ini_set('track_errors', 1);
+ @include 'HTML/AJAX/Server.php';
+ if(isset($php_errormsg)) {
+ print "PEAR HTML_AJAX package is missing<br />\n";
+ $missing = true;
+ }
+ ini_restore('track_errors');
+
+ if(isset($missing))
+ return false;
+
+ return true;
+
+ } // checkRequirements()
+
+
}
?>