uploadkompresgambar.php

<?php
/*
fungsi UploadImageResize mengecilkan width dan kualitas gambar
fungsi UploadGambarResize mengecilkan width dan height serta kualitas gambar
simpan skrip ini pada sebuah file dengan nama kompresgambar.php misalnya.
CV MediaSoft Solusindo https://www.facebook.com/MediasoftSolusindoPKU/
*/
function UploadImageResize($new_name,$file,$dir,$width,$kualitas){
    //direktori gambar
    $vdir_upload = $dir;
    $vfile_upload = $vdir_upload . $_FILES[''.$file.'']["name"];

    //Simpan gambar dalam ukuran sebenarnya
    move_uploaded_file($_FILES[''.$file.'']["tmp_name"], $dir.$_FILES[''.$file.'']["name"]);

    //identitas file asli
    $info = getimagesize($vfile_upload);
    if ($info['mime'] == 'image/jpeg')
        $im_src = imagecreatefromjpeg($vfile_upload);
    elseif ($info['mime'] == 'image/gif')
        $im_src = imagecreatefromgif($vfile_upload);
    elseif ($info['mime'] == 'image/png')
        $im_src = imagecreatefrompng($vfile_upload);
    //$im_src = imagecreatefromjpeg($vfile_upload);
    $src_width = imageSX($im_src);
    $src_height = imageSY($im_src);

    //Set ukuran gambar hasil perubahan
    $dst_width = $width;
    $dst_height = ($dst_width/$src_width)*$src_height;

    //proses perubahan ukuran
    $im = imagecreatetruecolor($dst_width,$dst_height);
    imagecopyresampled($im, $im_src, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);

    //Simpan gambar
    if ($info['mime'] == 'image/jpeg')
        imagejpeg($im,$vdir_upload . $new_name,$kualitas);
    elseif ($info['mime'] == 'image/gif')
        imagegif($im,$vdir_upload . $new_name);
    elseif ($info['mime'] == 'image/png') {
        $pngQuality = $kualitas;
        $pngQuality = ($kualitas - 100) / 11.111111;
        $pngQuality = round(abs($pngQuality));
        imagepng($im,$vdir_upload . $new_name,$pngQuality,NULL);
    }

    //Hapus gambar di memori komputer
    imagedestroy($im_src);
    imagedestroy($im);
    $remove_small = unlink("$vfile_upload");
}


function UploadGambarResize($new_name,$file,$dir,$lebar,$tinggi,$kualitas){
    //direktori gambar
    $vdir_upload = $dir;
    $vfile_upload = $vdir_upload . $_FILES[''.$file.'']["name"];

    //Simpan gambar dalam ukuran sebenarnya
    move_uploaded_file($_FILES[''.$file.'']["tmp_name"], $dir.$_FILES[''.$file.'']["name"]);

    //identitas file asli
    $info = getimagesize($vfile_upload);
    if ($info['mime'] == 'image/jpeg')
        $im_src = imagecreatefromjpeg($vfile_upload);
    elseif ($info['mime'] == 'image/gif')
        $im_src = imagecreatefromgif($vfile_upload);
    elseif ($info['mime'] == 'image/png')
        $im_src = imagecreatefrompng($vfile_upload);
    //$im_src = imagecreatefromjpeg($vfile_upload);
    $src_width = imageSX($im_src);
    $src_height = imageSY($im_src);

    //Set ukuran gambar hasil perubahan
    $dst_width = $lebar;
    $dst_height = $tinggi;

    //proses perubahan ukuran
    $im = imagecreatetruecolor($dst_width,$dst_height);
    imagecopyresampled($im, $im_src, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);

    //Simpan gambar
    if ($info['mime'] == 'image/jpeg')
        imagejpeg($im,$vdir_upload . $new_name,$kualitas);
    elseif ($info['mime'] == 'image/gif')
        imagegif($im,$vdir_upload . $new_name);
    elseif ($info['mime'] == 'image/png') {
        $pngQuality = $kualitas;
        $pngQuality = ($kualitas - 100) / 11.111111;
        $pngQuality = round(abs($pngQuality));
        imagepng($im,$vdir_upload . $new_name,$pngQuality,NULL);
    }

    //Hapus gambar di memori komputer
    imagedestroy($im_src);
    imagedestroy($im);
    $remove_small = unlink("$vfile_upload");
}

?>