if (!is_dir($img_path)) {
mkdir($img_path, 0755, true);
}
$file_data = $img_path . 'data.png';
$dest_data = $img_path . 'data-fs8.png';
file_put_contents($file_data, $img_data);
}
//若传过来的是图片的id，那么从服务器获取
if ($pic_id) {
$rela_img_path = 'data' . DIRECTORY_SEPARATOR . $pic_id . DIRECTORY_SEPARATOR;
$img_path = $serverPath . $rela_img_path;
$file_data = $img_path . 'data.png';
$dest_data = $img_path . 'data-fs8.png';
}
$uncompSize = filesize($file_data);
$compressfile = compress_png($file_data, $percentage);
file_put_contents($dest_data, $compressfile);
$compSize = filesize($dest_data);
$return = $uncompSize . '|' . $compSize . '|' . $rela_img_path . 'data-fs8.png|' . $rela_img_path . 'data.png|' . $id;
echo json_encode($return);
}
function compress_png($path_to_png_file, $max_quality = 90)
{
if (!file_exists($path_to_png_file)) {
throw new Exception("File does not exist: {$path_to_png_file}");
}
// guarantee that quality won't be worse than that.
$min_quality = 50;
// '-' makes it use stdout, required to save to $compressed_png_content variable
// '<' makes it read from the given file path
// escapeshellarg() makes this safe to use with any path
function output_file($file_item, $current_path, $type)
{
global $ignore_files, $template_exts, $total_reduce_size;
if ($current_path !== '') {
foreach ((array) $file_item['file'] as $file_name => $file_info) {
if (false === strpos($current_path, 'views') && $file_name[0] === '_' || $file_name[0] == '.') {
continue;
}
if (in_array($file_name, $ignore_files)) {
continue;
}
$file_path = $current_path . '/' . $file_name;
$result = true;
$file_skiped = false;
$ext = get_ext($file_name);
if ('all' != $type && $ext != $type) {
continue;
}
if ($ext == 'css') {
if (strpos($file_name, 'min.') === 0) {
$result = compress_css($file_path);
} else {
$file_skiped = true;
}
} elseif ($ext == 'js') {
if (strpos($file_name, 'min.') === 0) {
$result = compress_js($file_path);
} else {
$file_skiped = true;
}
} elseif ($ext == 'png') {
compress_png($file_path);
} elseif (in_array($ext, $template_exts)) {
compress_template($file_path);
} else {
copy(ROOT_PATH . $file_path, OUTPUT_DIR . $file_path);
}
$file_size = 0;
if ($file_skiped === false) {
if (file_exists(OUTPUT_DIR . $file_path)) {
$file_size = filesize(OUTPUT_DIR . $file_path);
$total_reduce_size += $file_info['infor']['file_size'] - $file_size;
if ($file_size <= 0) {
$file_size = 'b style="color:#ff0000">' . $file_size . '</b>';
} else {
$file_size = human_file_size($file_size);
}
} else {
$result = false;
}
}
if (false === $result) {
echo '<p style="color:#ff0000;font-weight:bold">' . $file_path . ' Error</p>';
} else {
if ($file_skiped === false) {
echo $file_path . ' <b style="color:#1EBC16">OK</b> <span style="color:#888">(' . human_file_size($file_info['infor']['file_size']) . ' → ' . $file_size . ')</span><br />';
} else {
echo '<span style="color:#aaa">' . $file_path . ' <b>Skiped</b></span><br />';
}
}
}
}
foreach ((array) $file_item['dir'] as $dir_name => $dir) {
if ($dir_name[0] === '_' || $dir_name[0] == '.') {
continue;
}
if (in_array($dir_name, $ignore_files)) {
continue;
}
$dir_path = $current_path . '/' . $dir_name;
echo '<h2>' . $dir_path . '</h2>';
make_dir($dir_path, OUTPUT_DIR);
output_file($dir, $dir_path, $type);
}
}