SliceImageFilename = "/AuthorAvatarsImageSlice.jpg"; $this->SliceImageFileLocation = dirname(dirname(__FILE__)).$this->SliceImageFilename; $this->SliceImageURL = WP_PLUGIN_URL . '/'.basename(dirname(dirname(__FILE__))).$this->SliceImageFilename; $this->table_name = $wpdb->prefix . "AuthorAvatars"; //add filter for get_avatar // add_filter( $tag, $function_to_add, $priority, $accepted_args ); // http://codex.wordpress.org/Function_Reference/add_filter add_filter( "get_avatar", array(&$this, "AuthorAvatars_get_avatar"), 100 ,5 ); } // return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default, $alt); function AuthorAvatars_get_avatar($avatar, $id_or_email, $size, $default, $alt){ //get image URL from $avatar //lets check to see what the quotes are use to wrap URL $AA_avatarURLQuote = substr($avatar,strpos($avatar,'src=')+4,1); // find SRC= for start of URL $AA_avatarURL = substr($avatar,strpos($avatar,'src='.$AA_avatarURLQuote)+5); // find the first qoute for end of URL $AA_avatarURL = substr($AA_avatarURL,0,strpos($AA_avatarURL,$AA_avatarURLQuote)); // global $wpdb,$AA_avatarURLarry,$SliceImagelocation,$table_name; $offset = 0; // look in global URL to X and Size object if not found $wpdb->show_errors(); // check to see if the db arry is loaded // if (empty($A_avatarURLarry)){ // $AA_avatarURLarry = $wpdb->get_results($wpdb->prepare("SELECT * FROM $table_name")); // echo "loading DB"; // } $AA_avatarURLrow = $wpdb->get_row("SELECT * FROM $this->table_name where url = '$AA_avatarURL' and size = $size LIMIT 0 , 1"); if ( count($AA_avatarURLrow) == 1){ // echo "found"; // do we have an image check if (file_exists($this->SliceImageFileLocation)){ $offset = $AA_avatarURLrow->offset; }else{ // create one use the add function as it check for file set the file missing to true to save an second file check $offset = $this->AddAvatarToSlice($AA_avatarURLrow->url,$AA_avatarURLrow->size,true,$AA_avatarURLrow->offset); } $AA_avatarURL = $AA_avatarURLrow->url; $size = $AA_avatarURLrow->size; }else{ // echo "Not Found"; $offset = $this->AddAvatarToSlice($AA_avatarURL,$size) ; } // add avatar to image // work in one axis left to right //take the size check the the curent height is enough if not increase the height of image first // add avatar to the end (right) of the image save to server // add details to global URL to X and Size object AND save to DB at this point as we don't know if this is the last add // $rows_affected = $wpdb->insert( $table_name, array( 'time' => current_time('mysql'), 'name' => $welcome_name, 'text' => $welcome_text ) ); //replace the img tag with div with image as background and the offset in the style and an blank image to hold the alt $AA_avaterHTML = "

"; //Return $avatar; return $AA_avaterHTML; } function AddAvatarToSlice($AA_avatarURL,$AA_size,$fileMissing = false,$AA_avatarURLrowOffset = 0){ global $wpdb; echo("geting image "); // echo $wpdb->get_var($wpdb->prepare("SELECT COUNT(*)FROM $table_name where (STRCMP(url,'".$AA_avatarURL."') = -1) and size = $size")); //Do we have an Cached image list($width, $height, $type) = getimagesize($AA_avatarURL); switch ($type) { case "image/gif": $img = imagecreatefromgif($AA_avatarURL); break; case "image/jpeg": $img = imagecreatefromjpeg($AA_avatarURL); break; case "image/png": $img = imagecreatefrompng($AA_avatarURL); break; case "image/bmp": $img = imagecreatefromwbmp($AA_avatarURL); break; } $imageResized = imagecreatetruecolor($AA_size,$AA_size); imagecopyresampled($imageResized, $img, 0, 0, 0, 0, $AA_size,$AA_size, $width, $height); if ($fileMissing || file_exists ($this->SliceImageFileLocation)){ echo(" file missing "); // Save the image imagejpeg($imageResized, $this->SliceImageFileLocation); echo("new file Made "); }else{ echo "Add to Image"; // add to Image list($CurrentWidth, $CurrentHeight) = getimagesize( $this->SliceImageFileLocation); $CurrentImg = imagecreatefromjpeg($this->SliceImageFileLocation); if ($CurrentHeight < $AA_size ){ $newCurrentHeight = $AA_size; }else{ $newCurrentHeight = $CurrentHeight; } $newCurrentWidth = $CurrentWidth + $AA_size; //reset height of current image $NewSlice = imagecreatetruecolor($newCurrentWidth,$newCurrentHeight); imagecopyresampled($NewSlice, $CurrentImg, 0, 0, 0, 0, $newCurrentWidth,$newCurrentHeight, $width, $height); imagecopymerge($NewSlice,$imageResized,$CurrentWidth,0,0,0,$AA_size,$AA_size,100); imagejpeg($NewSlice, $this->SliceImageFileLocation); imagedestroy($NewSlice); } imagedestroy($imageResized); // Free up memory imagedestroy($img); // how old is it // update DB with offsett for image if ($AA_avatarURLrow == 1 ){ // update record with new Offset $offset = 0 ;// inage width; $rows_affected = $wpdb->update( $this->table_name, array( 'url'=>$AA_avatarURL ,'size' =>$AA_size,'offset'=>$offset)); }else{ $offset = 0 ; // new image therefor the image at 0 //insert new record $rows_affected = $wpdb->insert( $this->table_name, array( 'url'=>$AA_avatarURL ,'size' =>$AA_size,'offset'=>$offset)); } return $offset; } function AA_resizeImage($originalImage,$toWidth,$toHeight) { var_dump($originalImage); list($width, $height) = getimagesize($originalImage); $xscale=$width/$toWidth; $yscale=$height/$toHeight; if ($yscale>$xscale){ $new_width = round($width * (1/$yscale)); $new_height = round($height * (1/$yscale)); } else { $new_width = round($width * (1/$xscale)); $new_height = round($height * (1/$xscale)); } $imageResized = imagecreatetruecolor($new_width, $new_height); $imageTmp = imagecreatefromjpeg ($originalImage); imagecopyresampled($imageResized, $imageTmp, 0, 0, 0, 0, $new_width, $new_height, $width, $height); return $imageResized; } } ?>