85 lines
3.3 KiB
PHP
85 lines
3.3 KiB
PHP
<?php
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if (!defined('_GNUBOARD_')) exit;
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@ini_set('memory_limit', '512M');
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function it_img_thumb($filename, $filepath, $thumb_width, $thumb_height, $is_create=false)
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{
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return thumbnail($filename, $filepath, $filepath, $thumb_width, $thumb_height, $is_create);
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}
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//function thumbnail($bo_table, $file, $width, $height, $is_create=false)
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function thumbnail($filename, $source_path, $target_path, $thumb_width, $thumb_height, $is_create)
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{
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global $g4;
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$thumb_filename = preg_replace("/\.[^\.]+$/i", "", $filename); // 확장자제거
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if (!is_dir($target_path)) {
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@mkdir($target_path, 0707);
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@chmod($target_path, 0707);
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}
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$thumb_file = "$target_path/{$thumb_filename}_{$thumb_width}x{$thumb_height}.png";
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$thumb_time = @filemtime($thumb_file);
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$source_file = "$source_path/$filename";
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$source_time = @filemtime($source_file);
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if (file_exists($thumb_file)) {
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if ($is_create == false && $source_time < $thumb_time) {
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return basename($thumb_file);
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}
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}
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$size = @getimagesize($source_file);
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// 이미지 파일이 없거나 아님
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if (!$size[0]) {
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if (!$thumb_height) $thumb_height = $thumb_width;
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$thumb_file = "$target_path/noimg_{$thumb_width}x{$thumb_height}.png";
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if (!file_exists($thumb_file)) {
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$target = imagecreate($thumb_width, $thumb_height);
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imagecolorallocate($target, 250, 250, 250);
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imagecopy($target, $target, 0, 0, 0, 0, $thumb_width, $thumb_height);
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imagepng($target, $thumb_file, 0);
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@chmod($thumb_file, 0606); // 추후 삭제를 위하여 파일모드 변경
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}
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return basename($thumb_file);
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}
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$is_imagecopyresampled = false;
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$is_large = false;
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$src = null;
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if ($size[2] == 1) {
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$src = imagecreatefromgif($source_file);
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} else if ($size[2] == 2) {
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$src = imagecreatefromjpeg($source_file);
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} else if ($size[2] == 3) {
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$src = imagecreatefrompng($source_file);
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}
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if ($thumb_width) {
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if ($thumb_height) {
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$rate = $thumb_width / $size[0];
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$tmp_height = (int)($size[1] * $rate);
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if ($tmp_height < $thumb_height) {
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$dst = imagecreatetruecolor($thumb_width, $thumb_height);
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$bgcolor = imagecolorallocate($dst, 250, 250, 250); // 배경색 여기야!!!
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imagefill($dst, 0, 0, $bgcolor);
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imagecopyresampled($dst, $src, 0, 0, 0, 0, $thumb_width, $thumb_height, $size[0], $size[1]);
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} else {
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$dst = imagecreatetruecolor($thumb_width, $thumb_height);
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imagecopyresampled($dst, $src, 0, 0, 0, 0, $thumb_width, $thumb_height, $size[0], $size[1]);
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}
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} else {
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$rate = $thumb_width / $size[0];
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$tmp_height = (int)($size[1] * $rate);
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$dst = imagecreatetruecolor($thumb_width, $tmp_height);
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imagecopyresampled($dst, $src, 0, 0, 0, 0, $thumb_width, $tmp_height, $size[0], $size[1]);
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}
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}
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imagepng($dst, $thumb_file, 0); // 0 (no compression) ~ 9
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chmod($thumb_file, 0606); // 추후 삭제를 위하여 파일모드 변경
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return str_replace($target_path.'/', '', $thumb_file);
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}
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?>
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