saveImage($CurWidth, $CurHeight, $CreatedImage, $DestFolder, $Quality, $ImageType)) { /* We have succesfully resized and created thumbnail image We can now output image to user's browser or store information in the database echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo '';*/ } else { return FALSE; //output error } return TRUE; } // This function will proportionally resize image public function resizeImage($CurWidth, $CurHeight, $MaxSize, $DestFolder, $SrcImage, $Quality, $ImageType) { //Check Image size is not 0 if ($CurWidth <= 0 || $CurHeight <= 0) { return FALSE; } //Construct a proportional size of new image $ImageScale = min($MaxSize / $CurWidth, $MaxSize / $CurHeight); $NewWidth = ceil($ImageScale * $CurWidth); $NewHeight = ceil($ImageScale * $CurHeight); $NewCanves = imagecreatetruecolor($NewWidth, $NewHeight); // Resize Image if (imagecopyresampled($NewCanves, $SrcImage, 0, 0, 0, 0, $NewWidth, $NewHeight, $CurWidth, $CurHeight)) { switch (strtolower($ImageType)) { case 'image/png': imagepng($NewCanves, $DestFolder); break; case 'image/gif': imagegif($NewCanves, $DestFolder); break; case 'image/jpeg': case 'image/pjpeg': imagejpeg($NewCanves, $DestFolder, $Quality); break; default: return FALSE; } //Destroy image, frees memory if (is_resource($NewCanves)) { imagedestroy($NewCanves); } return TRUE; } } //This function corps image to create exact square images, no matter what its original size! public function cropImage($CurWidth, $CurHeight, $iSize, $DestFolder, $SrcImage, $Quality, $ImageType) { //Check Image size is not 0 if ($CurWidth <= 0 || $CurHeight <= 0) { return FALSE; } //abeautifulsite.net has excellent article about "Cropping an Image to Make Square bit.ly/1gTwXW9 if ($CurWidth > $CurHeight) { $y_offset = 0; $x_offset = ($CurWidth - $CurHeight) / 2; $square_size = $CurWidth - ($x_offset * 2); } else { $x_offset = 0; $y_offset = ($CurHeight - $CurWidth) / 2; $square_size = $CurHeight - ($y_offset * 2); } $NewCanves = imagecreatetruecolor($iSize, $iSize); if (imagecopyresampled($NewCanves, $SrcImage, 0, 0, $x_offset, $y_offset, $iSize, $iSize, $square_size, $square_size)) { switch (strtolower($ImageType)) { case 'image/png': imagepng($NewCanves, $DestFolder); break; case 'image/gif': imagegif($NewCanves, $DestFolder); break; case 'image/jpeg': case 'image/pjpeg': imagejpeg($NewCanves, $DestFolder, $Quality); break; default: return FALSE; } //Destroy image, frees memory if (is_resource($NewCanves)) { imagedestroy($NewCanves); } return TRUE; } } public function saveImage($CurWidth, $CurHeight, $srcImage, $DestFolder, $Quality, $ImageType) { //Check Image size is not 0 if ($CurWidth <= 0 || $CurHeight <= 0) { return FALSE; } $NewCanves = $srcImage; switch (strtolower($ImageType)) { case 'image/png': imagesavealpha($NewCanves, true); $color = imagecolorallocatealpha($NewCanves, 0, 0, 0, 127); imagefill($NewCanves, 0, 0, $color); imagepng($NewCanves, $DestFolder); break; case 'image/gif': imagegif($NewCanves, $DestFolder); break; case 'image/jpeg': case 'image/pjpeg': imagejpeg($NewCanves, $DestFolder, $Quality); break; default: return FALSE; } //Destroy image, frees memory if (is_resource($NewCanves)) { imagedestroy($NewCanves); } return TRUE; } /** * Funzione che passati i valori esegue l'operazione relativa in base all'analisi dei file attualmente presenti * * @param $inputFileName * @param $formImageName * @param $oldImageRecord * @param $imagePath * @param $nomeFile * @param bool|true $randomizeImageName * * @return mixed|string */ public function image_operation($inputFileName, $formImageName, $oldImageRecord, $imagePath, $nomeFile, $randomizeImageName = true) { //Controllo che il nome del file sia valido if (!empty($_FILES[$inputFileName]) && $_FILES[$inputFileName]['name'] != '') { if($randomizeImageName){ $nomeFile = time() ."_". str_replace(' ', '-', strtolower($nomeFile)); }else{ $nomeFile = str_replace(' ', '-', strtolower($nomeFile)); } } //Vedo che operazione eseguire sul file immagine memorizzato nel file system if (!empty($_FILES[$inputFileName]) && $nomeFile != '') { if ($oldImageRecord != null) { //AGGIORNAMENTO if ($oldImageRecord[$formImageName] != '' && file_exists($imagePath . $oldImageRecord[$formImageName])) { unlink($imagePath . $oldImageRecord[$formImageName]); //Elimina la vecchia precendente dal file system } } if (!$this->direct($imagePath, $inputFileName,$nomeFile)) { //Memorizza la nuova immagine return 'error'; } } elseif (empty($_FILES[$inputFileName]) && $nomeFile == '') { //CANCELLO SOLO L'IMMAGINE if ($oldImageRecord != null) { if ($oldImageRecord[$formImageName] != '' && file_exists($imagePath . $oldImageRecord[$formImageName])) { unlink($imagePath . $oldImageRecord[$formImageName]); } } } return (!$nomeFile) ? null : $nomeFile; } /** * Controlla che l'immagine esiste e nel caso posistivo la elimina del fyle system * @param $nomeFile * @param $path */ public function deleteImage($nomeFile, $path) { if (file_exists($path . $nomeFile)) { @unlink($path . $nomeFile); } } }