push initial du projet par Stéphane
This commit is contained in:
Pontoporeia
221
inc/inc-functions.php
Executable file
221
inc/inc-functions.php
Executable file
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<?php
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function supprimer_cache(){
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@unlink(CHEMIN.DOSSIER_CACHE."cache.html");
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}
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function supprimer_cache_images(){
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$images=glob(CHEMIN.DOSSIER_VIGNETTES."*.{gif,png,jpg,webp}",GLOB_BRACE);
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foreach($images as $image){
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@unlink($image);
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}
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// vider le cache pour permettre la recréation des vignettes
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@unlink(CHEMIN.DOSSIER_CACHE."cache.html");
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}
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// donne lien : reçoit une adresse de fichier et une taille, verifie si une vignette a cette taille existe et produit une version de cette image le cas échaant renvoie cette adresse
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function donne_lien($file,$l_vignette=600,$h_vignette=600,$crop=true){
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// creer le dossier pour les images petites
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fix_exists_dir(CHEMIN.DOSSIER_VIGNETTES);
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if(!is_file(CHEMIN.$file)){
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$file=IMG_DEFAULT;
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}
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$ext_image=array('jpg','png','gif','webp');
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$fi=pathinfo($file);
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$ext=strtolower($fi['extension']);
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$nom=$fi['filename'];
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$add="_".$l_vignette."x".$h_vignette.($crop ? "_crop" : "_nocrop");
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$local_name=DOSSIER_VIGNETTES.$nom.$add.".".$ext;
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// - - - image : traitement des icones
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if(in_array($ext,$ext_image)){
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// charger l'image brute
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// vérifier que l'image existe
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// sinon la créer
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if (!file_exists(CHEMIN.$local_name)) {
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if(image_resize(CHEMIN.$file, CHEMIN.$local_name, $l_vignette, $h_vignette, $crop)){
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return $local_name."?".filectime(CHEMIN.$local_name);
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} else {
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return $file."?".filectime(CHEMIN.$file);
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}
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} else {
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return $local_name."?".filectime(CHEMIN.$local_name);
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}
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} else {
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return "img-default/error.jpg";
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}
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// - - - - fin traitement des images
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}
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function image_resize($src, $dst, $width=500, $height=400, $crop=0){
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ini_set('memory_limit', '256M');
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if(!list($w, $h) = getimagesize($src)) {
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echo "image does not exists";
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return false;
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}
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$type = strtolower(substr(strrchr($src,"."),1));
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if($type == 'jpeg') $type = 'jpg';
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switch($type){
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case 'gif': $img = imagecreatefromgif($src); break;
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case 'jpg': $img = imagecreatefromjpeg($src); break;
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case 'png': $img = imagecreatefrompng($src); break;
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case 'webp': $img = imagecreatefromwebp($src); break;
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default : echo "image does not exists"; return false;
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}
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// resize
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if($crop){
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if($w < $width or $h < $height){
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return false;
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};
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$ratio = max($width/$w, $height/$h);
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$y= ($h - $height / $ratio) /2;
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$x = ($w - $width / $ratio) / 2;
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$h = $height / $ratio;
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$w = $width / $ratio;
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}
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else{
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if($w < $width and $h < $height) {
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return false;
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}
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$ratio = min($width/$w, $height/$h);
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$width = $w * $ratio;
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$height = $h * $ratio;
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$x = 0;
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$y = 0;
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}
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$new = imagecreatetruecolor($width, $height);
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// preserve transparency
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if($type == "gif" or $type == "png"){
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imagecolortransparent($new, imagecolorallocatealpha($new, 0, 0, 0, 127));
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imagealphablending($new, false);
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imagesavealpha($new, true);
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}
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imagecopyresampled($new, $img, 0, 0, $x, $y, $width, $height, $w, $h);
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$sharpen = array([-1,-1,-1], [-1, 16, -1], [-1,-1,-1]);
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imageconvolution($new, $sharpen, 8, 0);
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switch($type){
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case 'gif': imagegif($new, $dst); break;
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case 'jpg': imagejpeg($new, $dst); break;
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case 'png': imagepng($new, $dst); break;
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case 'webp': imagewebp($new, $dst); break;
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}
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return true;
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}
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function traiter_rotation_image($filename, $degrees){
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supprimer_cache();
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$rotang = $degrees;
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// traiter les versions de cette images dans les vignettes !
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$fi=pathinfo($filename);
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$nom_seul=$fi['filename'];
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//$filename=CHEMIN.DOSSIER_FICHIERS.$filename; // au même endroit
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$liste=glob(CHEMIN.DOSSIER_VIGNETTES.$nom_seul."*");
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$liste[]=CHEMIN.DOSSIER_FICHIERS.$filename; // au même endroit
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foreach ($liste as $filename){
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//unlink($version);
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list($width, $height, $type, $attr) = getimagesize($filename);
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$size = getimagesize($filename);
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switch($size['mime']){
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case 'image/webp':
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$source =imagecreatefromwebp($filename);
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$bgColor=imageColorAllocateAlpha($source, 0, 0,0, 0);
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$rotation = imagerotate($source,$rotang,$bgColor);
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imagealphablending($rotation, false);
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imagesavealpha($rotation, true);
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imagecreate($width,$height);
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imagewebp($rotation,$filename);
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chmod($filename, 0777);
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break;
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case 'image/jpeg':
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$source =imagecreatefromjpeg($filename);
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$bgColor=imageColorAllocateAlpha($source, 0, 0,0, 0);
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$rotation = imagerotate($source,$rotang,$bgColor);
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imagealphablending($rotation, false);
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imagesavealpha($rotation, true);
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imagecreate($width,$height);
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imagejpeg($rotation,$filename);
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chmod($filename, 0777);
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break;
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case 'image/png':
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$source =imagecreatefrompng($filename);
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$bgColor=imageColorAllocateAlpha($source, 0, 0,0, 0);
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$rotation = imagerotate($source,$rotang,$bgColor);
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imagealphablending($rotation, false);
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imagesavealpha($rotation, true);
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imagecreate($width,$height);
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imagepng($rotation,$filename);
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chmod($filename, 0777);
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break;
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case 'image/gif':
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$source =imagecreatefromgif($filename);
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$bgColor=imageColorAllocateAlpha($source, 0, 0,0, 0);
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$rotation = imagerotate($source,$rotang,$bgColor);
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imagealphablending($rotation, false);
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imagesavealpha($rotation, true);
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imagecreate($width,$height);
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imagegif($rotation,$filename);
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chmod($filename, 0777);
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break;
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case 'image/vnd.wap.wbmp':
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$source =imagecreatefromwbmp($filename);
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$bgColor=imageColorAllocateAlpha($source, 0, 0,0, 0);
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$rotation = imagerotate($source,$rotang,$bgColor);
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imagealphablending($rotation, false);
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imagesavealpha($rotation, true);
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imagecreate($width,$height);
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imagewbmp($rotation,$filename);
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chmod($filename, 0777);
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break;
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}
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}
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}
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// Vérifie l'existence d'un doccier, le Crée au besoin
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function fix_exists_dir($dir){
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if(!is_dir($dir)){
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mkdir($dir, 0777, true);
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}
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}
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// renvoie uniquement le nom du fichier complet à partir de l'adresse
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function fichier_seul($file){
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$file = preg_replace('/.*\//i', '', $file);
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return $file;
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}
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function human_name($str){
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$t=explode(" ",str_replace(array("-","_",'.')," ",$str));
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for($i=0; $i<count($t);$i++){
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$t[$i]=ucfirst($t[$i]);
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}
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return implode(" ",$t);
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}
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function contenu_xml($source){
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$structure=array();
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$document_xml = new DomDocument();
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$document_xml->load($source);
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$champs = $document_xml->getElementsByTagName('item')->item(0)->childNodes;
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foreach ($champs as $champ){
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if ($champ->nodeType != XML_TEXT_NODE){
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$structure[$champ->nodeName]=$champ->nodeValue;
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}
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}
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return $structure;
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}
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?>
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