X-Git-Url: https://git.nubati.net/cgi-bin/gitweb.cgi?p=phpfspot.git;a=blobdiff_plain;f=phpfspot.class.php;h=9d159ff3ff02e09d46c374d50a0a23d1ccb89d87;hp=ab5cb9e12c165ab9b34dc3fd0349e9f216146e44;hb=4b243ea6dcf859c392ec52aad66a580c99fe2bb0;hpb=d902cdfd067b6ae1356c537b4d5605307f3ed524 diff --git a/phpfspot.class.php b/phpfspot.class.php index ab5cb9e..9d159ff 100644 --- a/phpfspot.class.php +++ b/phpfspot.class.php @@ -8,6 +8,7 @@ class PHPFSPOT { var $cfg; var $db; + var $cfg_db; var $tmpl; var $tags; var $avail_tags; @@ -15,13 +16,33 @@ class PHPFSPOT { public function __construct() { + /* Check necessary requirements */ + if(!$this->checkRequirements()) { + exit(1); + } + $this->cfg = new PHPFSPOT_CFG; - $this->db = new PHPFSPOT_DB(&$this, $this->cfg->db); + $this->db = new PHPFSPOT_DB(&$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'])) + $_SESSION['searchfor'] = ''; + + // if begin_with is still set but rows_per_page is now 0, unset it + if(isset($_SESSION['begin_with']) && $this->cfg->rows_per_page == 0) + unset($_SESSION['begin_with']); + } // __construct() public function __destruct() @@ -31,13 +52,27 @@ class PHPFSPOT { 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() { + $this->avail_tags = Array(); $count = 0; @@ -52,6 +87,10 @@ class PHPFSPOT { $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] = $tag_id; @@ -81,25 +120,74 @@ class PHPFSPOT { public function showPhoto($photo) { - $all_photos = $this->getAllTagPhotos(); + $all_photos = $this->getPhotoSelection(); + $count = count($all_photos); - foreach($all_photos as $all_photo) { + for($i = 0; $i < $count; $i++) { if($get_next) { - $next_img = $all_photo; + $next_img = $all_photos[$i]; break; } - if($all_photo == $photo) { + if($all_photos[$i] == $photo) { $get_next = 1; } else { - $previous_img = $all_photo; + $previous_img = $all_photos[$i]; + } + + if($photo == $all_photos[$i]) { + $current = $i; } } - if(isset($photo)) { + $details = $this->get_photo_details($photo); + $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)) { + $this->_warning("Photo ". $orig_path ." does not exist!
\n"); + } + + if(!is_readable($orig_path)) { + $this->_warning("Photo ". $orig_path ." is not readable for user ". get_current_user() ."
\n"); + } + + /* If the thumbnail doesn't exist yet, try to create it */ + if(!file_exists($thumb_path)) { + $this->gen_thumb($photo, true); + } + + $meta = $this->get_meta_informations($orig_path); + + $meta_date = isset($meta['FileDateTime']) ? strftime("%a %x %X", $meta['FileDateTime']) : "n/a"; + $meta_make = isset($meta['Make']) ? $meta['Make'] ." ". $meta['Model'] : "n/a"; + $meta_res = isset($meta['ExifImageWidth']) ? $meta['ExifImageWidth'] ."x". $meta['ExifImageLength'] : "n/a"; + $meta_size = isset($meta['FileSize']) ? round($meta['FileSize']/1024, 1) ."kbyte" : "n/a"; + + if(file_exists($thumb_path)) { + + $info = getimagesize($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', $meta_date); + $this->tmpl->assign('ExifMadeWith', $meta_make); + $this->tmpl->assign('ExifOrigResolution', $meta_res); + $this->tmpl->assign('ExifFileSize', $meta_size); + $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)); + $this->tmpl->assign('current', $current); + } + else { + $this->_warning("Can't open file ". $thumb_path ."\n"); } if($previous_img) { @@ -116,13 +204,54 @@ class PHPFSPOT { 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 "". $this->tags[$tag] ." "; + // 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 "". $this->tags[$key] .", "; } @@ -134,7 +263,7 @@ class PHPFSPOT { { // return all selected tags if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags'])) { - print "". $this->tags[$tag] ." "; + print "". $this->tags[$tag] ." "; } } @@ -146,7 +275,8 @@ class PHPFSPOT { 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'], $tag); } // addTag() @@ -155,6 +285,7 @@ class PHPFSPOT { if(isset($_SESSION['selected_tags'])) { $key = array_search($tag, $_SESSION['selected_tags']); unset($_SESSION['selected_tags'][$key]); + sort($_SESSION['selected_tags']); } } // delTag() @@ -165,59 +296,169 @@ class PHPFSPOT { } // resetTags() - public function getAllTagPhotos() + public function resetTagSearch() + { + unset($_SESSION['searchfor']); + + } // resetTagSearch() + + 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(isset($_SESSION['begin_with']) && $_SESSION['begin_with'] != "") + $anchor = $_SESSION['begin_with']; + + if(!isset($this->cfg->rows_per_page) || $this->cfg->rows_per_page == 0) { + + $begin_with = 0; + $end_with = $count; + + } + elseif($this->cfg->rows_per_page > 0) { + + if(!$_SESSION['begin_with'] || $_SESSION['begin_with'] == 0) + $begin_with = 0; + else { + + $begin_with = $_SESSION['begin_with']; + + // verify $begin_with - perhaps the thumbs-per-rows or + // rows-per-page variables have changed or the jump back + // from a photo wasn't exact - so calculate the real new + // starting point + $multiplicator = $this->cfg->rows_per_page * $this->cfg->thumbs_per_row; + for($i = 0; $i <= $count; $i+=$multiplicator) { + if($begin_with >= $i && $begin_with < $i+$multiplicator) { + $begin_with = $i; + break; + } + } + } + + $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(); + $img_id[$rows] = Array(); - for($i = 0; $i < $count; $i++) { + for($i = $begin_with; $i < $end_with; $i++) { $images[$rows][$cols] = $photos[$i]; + $img_id[$rows][$cols] = $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++; @@ -227,15 +468,86 @@ class PHPFSPOT { // +1 for for smarty's selection iteration $rows++; - //$images.= "
\n"; + if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '') + $this->tmpl->assign('searchfor', $_SESSION['searchfor']); + if($this->cfg->rows_per_page != 0) { + + /* calculate the page switchers */ + $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 .");"); + + /* page selector */ + $photo_per_page = $this->cfg->rows_per_page * $this->cfg->thumbs_per_row; + + /* until 6 pages we show the selector from 1-6 + everything large will be + 1 ... 2 3 4 (5) 6 7 ... 9 + */ + $last_page = ceil($count / $photo_per_page); + + if($begin_with == 0) { + $current_page = 1; + } + else { + $current_page = 0; + for($i = $begin_with; $i >= 0; $i-=$photo_per_page) { + $current_page++; + } + } + + for($i = 1; $i <= $last_page; $i++) { + + if($current_page == $i) + $style = "style=\"font-size: 125%;\""; + elseif($current_page-1 == $i || $current_page+1 == $i) + $style = "style=\"font-size: 105%;\""; + elseif(($current_page-5 >= $i) && ($i != 1) || + ($current_page+5 <= $i) && ($i != $last_page)) + $style = "style=\"font-size: 75%;\""; + else + $style = ""; + + $page_select.= " "; + + } + + /* only show the page selector if we have more then one page */ + if($last_page > 1) + $this->tmpl->assign('page_selector', $page_select); + } + + $current_tags = ""; + if($_SESSION['selected_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('img_id', $img_id); $this->tmpl->assign('rows', $rows); $this->tmpl->assign('columns', $this->cfg->thumbs_per_row); + $this->tmpl->show("photo_index.tpl"); + if(isset($anchor)) + print "\n"; } // showPhotoIndex() @@ -247,13 +559,24 @@ class PHPFSPOT { $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)) { + $this->_warning("Photo ". $orig_path ." does not exist!
\n"); + return; + } + + if(!is_readable($orig_path)) { + $this->_warning("Photo ". $orig_path ." is not readable for user ". get_current_user() ."
\n"); + return; + } + + $img = getimagesize($orig_path); $this->tmpl->assign('file_size', $filesize); $this->tmpl->assign('width', $img[0]); @@ -263,7 +586,433 @@ class PHPFSPOT { $this->tmpl->assign('image_url', $image_url); $this->tmpl->show("bubble_details.tpl"); - } + } // showBubbleDetails() + + public function showCredits() + { + $this->tmpl->assign('version', $this->cfg->version); + $this->tmpl->assign('product', $this->cfg->product); + $this->tmpl->show("credits.tpl"); + + } // showCredits() + + public function create_thumbnail($orig_image, $thumb_image, $width) + { + if(!file_exists($orig_image)) + return false; + + $details = getimagesize($orig_image); + + /* check if original photo is a support image type */ + if(!$this->checkifImageSupported($details['mime'])) + 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; + } + + $src_img = @imagecreatefromjpeg($orig_image); + + if(!$src_img) { + print "Can't load image from ". $orig_image ."\n"; + return false; + } + + /* grabs the height and width */ + $cur_width = imagesx($src_img); + $cur_height = imagesy($src_img); + + // If requested width is more then the actual image width, + // do not generate a thumbnail + + if($width >= $cur_width) { + imagedestroy($src_img); + return true; + } + + /* calculates aspect ratio */ + $aspect_ratio = $cur_height / $cur_width; + + /* sets new size */ + if($aspect_ratio < 1) { + $new_w = $width; + $new_h = abs($new_w * $aspect_ratio); + } else { + /* 'virtually' rotate the image and calculate it's ratio */ + $tmp_w = $cur_height; + $tmp_h = $cur_width; + /* now get the ratio from the 'rotated' image */ + $tmp_ratio = $tmp_h/$tmp_w; + /* now calculate the new dimensions */ + $tmp_w = $width; + $tmp_h = abs($tmp_w * $tmp_ratio); + + // now that we know, how high they photo should be, if it + // gets rotated, use this high to scale the image + $new_h = $tmp_h; + $new_w = abs($new_h / $aspect_ratio); + } + + /* creates new image of that size */ + $dst_img = imagecreatetruecolor($new_w, $new_h); + + imagefill($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($src_img)); + + /* needs the image to be flipped horizontal? */ + if($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) { + $this->_debug("(ROTATE)"); + $dst_img = $this->rotateImage($dst_img, $rotate); + } + + /* write down new generated file */ + $result = imagejpeg($dst_img, $thumb_image, 75); + + /* free your mind */ + imagedestroy($dst_img); + imagedestroy($src_img); + + if($result === false) { + print "Can't write thumbnail ". $thumb_image ."\n"; + return false; + } + + return true; + + } // create_thumbnail() + + public function get_meta_informations($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, $force = 0) + { + $error = 0; + + $resolutions = Array( + $this->cfg->thumb_width, + $this->cfg->bubble_width, + $this->cfg->photo_width, + ); + + /* get details from F-Spot's database */ + $details = $this->get_photo_details($idx); + + /* calculate file MD5 sum */ + $full_path = $this->translate_path($details['directory_path']) ."/". $details['name']; + + if(!file_exists($full_path)) { + $this->_warning("File ". $full_path ." does not exist\n"); + return; + } + + if(!is_readable($full_path)) { + $this->_warning("File ". $full_path ." is not readable for ". get_current_user() ."\n"); + return; + } + + $file_md5 = md5_file($full_path); + + $this->_debug("Image [". $idx ."] ". $details['name'] ." Thumbnails:"); + + foreach($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)) { + + $this->_debug(" ". $resolution ."px"); + if(!$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) { + + $this->_debug(" ". $resolution ."px"); + if(!$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); + } + + $this->_debug("\n"); + + } // gen_thumb() + + public function getMD5($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
\n"; + $missing = true; + } + + if(!function_exists("sqlite3_open")) { + print "PHP SQLite3 library extension is missing
\n"; + $missing = true; + } + + /* Check for HTML_AJAX PEAR package, lent from Horde project */ + ini_set('track_errors', 1); + @include_once 'HTML/AJAX/Server.php'; + if(isset($php_errormsg)) { + print "PEAR HTML_AJAX package is missing
\n"; + $missing = true; + } + ini_restore('track_errors'); + + if(isset($missing)) + return false; + + return true; + + } // checkRequirements() + + private function _debug($text) + { + if($this->fromcmd) { + print $text; + } + + } // _debug() + + public function checkifImageSupported($mime) + { + if(in_array($mime, Array("image/jpeg"))) + return true; + + return false; + + } // checkifImageSupported() + + public function _warning($text) + { + print "\"warning\"\n"; + print $text; + + } // _warning() }