function CreateResizedCopy($strSourceFile, $strTargetPath, $strTargetName, $intWidth, $intHeight, $intSourceWidth = 0, $intSourceHeight = 0)
{
// check dimensions
if (empty($intSourceWidth) || empty($intSourceHeight)) {
$size = @getimagesize($strSourceFile);
if (empty($size)) {
$this->errMsg = 'Erreur : ne peut obtenir la taille du fichier ' . $strTargetPath . '<br>';
return false;
}
$intSourceWidth = $size[0];
$intSourceHeight = $size[1];
}
$ratio = 1;
if ($intSourceWidth > $intWidth || $intSourceHeight > $intHeight) {
$ratio = $intHeight / $intSourceHeight < $intWidth / $intSourceWidth ? $intHeight / $intSourceHeight : $intWidth / $intSourceWidth;
}
$ext = HelperAlbum::GetExtension($strTargetName);
if ($ext == "jpg" || $ext == "jpeg") {
$imageSource = @imagecreatefromjpeg($strSourceFile);
$targetImage = @imagecreatetruecolor(round($intSourceWidth * $ratio), round($intSourceHeight * $ratio));
@imagecopyresized($targetImage, $imageSource, 0, 0, 0, 0, round($intSourceWidth * $ratio), round($intSourceHeight * $ratio), $intSourceWidth, $intSourceHeight);
if (!imagejpeg($targetImage, $strTargetPath . $strTargetName)) {
$this->errMsg = 'Erreur : ne peux créer l\'image pour ' . $strTargetPath . '<br>';
}
}
if ($ext == "png") {
$imageSource = @imagecreatefrompng($strSourceFile);
$targetImage = @imagecreatetruecolor(round($intSourceWidth * $ratio), round($intSourceHeight * $ratio));
imagealphablending($targetImage, false);
$colorTransparent = imagecolorallocatealpha($targetImage, 0, 0, 0, 127);
imagefill($targetImage, 0, 0, $colorTransparent);
imagesavealpha($targetImage, true);
@imagecopyresized($targetImage, $imageSource, 0, 0, 0, 0, round($intSourceWidth * $ratio), round($intSourceHeight * $ratio), $intSourceWidth, $intSourceHeight);
if (!imagepng($targetImage, $strTargetPath . $strTargetName)) {
$this->errMsg = 'Erreur : ne peux créer l\'image pour ' . $strTargetPath . '<br>';
}
}
return true;
}
function IsPicture($file)
{
$ext = HelperAlbum::GetExtension($file['name']);
$max_size = 3000000;
if (!($ext == "jpg" || $ext == "jpeg" || $ext == "png")) {
$this->errMsg = "L'image/photo doit être une *.jpg - *.jpeg - *.png";
return false;
}
if ($file['size'] >= $max_size || $file['size'] == 0) {
$this->errMsg = "Erreur : La taille d'image/photo doit être < 3Mo.<br>";
return false;
}
return in_array($ext, $this->extensions);
}
