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투명 png 썸네일 생성 기능 추가

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This commit is contained in:
chicpro
2014-08-13 18:06:29 +09:00
parent b7e947b915
commit 1ecc87ab26
2 changed files with 42 additions and 11 deletions
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3
config.php
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@ -175,6 +175,9 @@ define('G5_LINK_COUNT', 2);
// 썸네일 jpg Quality 설정
define('G5_THUMB_JPG_QUALITY', 90);
// 썸네일 png Compress 설정
define('G5_THUMB_PNG_COMPRESS', 5);
// ip 숨김방법 설정
/* 123.456.789.012 ip의 숨김 방법을 변경하는 방법은
\\1 은 123, \\2는 456, \\3은 789, \\4는 012에 각각 대응되므로

50
lib/thumbnail.lib.php
View File

@ -4,7 +4,7 @@ if (!defined('_GNUBOARD_')) exit;
@ini_set('memory_limit', '512M');
// 게시글리스트 썸네일 생성
function get_list_thumbnail($bo_table, $wr_id, $thumb_width, $thumb_height, $is_create=false, $is_crop=true, $crop_mode='center', $is_sharpen=true, $um_value='80/0.5/3')
function get_list_thumbnail($bo_table, $wr_id, $thumb_width, $thumb_height, $is_create=false, $is_crop=true, $crop_mode='center', $is_sharpen=false, $um_value='80/0.5/3')
{
global $g5, $config;
$filename = $alt = "";
@ -184,15 +184,13 @@ function get_view_thumbnail($contents, $thumb_width=0)
return $contents;
}
function thumbnail($filename, $source_path, $target_path, $thumb_width, $thumb_height, $is_create, $is_crop=false, $crop_mode='center', $is_sharpen=true, $um_value='80/0.5/3')
function thumbnail($filename, $source_path, $target_path, $thumb_width, $thumb_height, $is_create, $is_crop=false, $crop_mode='center', $is_sharpen=false, $um_value='80/0.5/3')
{
global $g5;
if(!$thumb_width && !$thumb_height)
return;
$thumb_filename = preg_replace("/\.[^\.]+$/i", "", $filename); // 확장자제거
$thumb_file = "$target_path/thumb-{$thumb_filename}_{$thumb_width}x{$thumb_height}.jpg";
$source_file = "$source_path/$filename";
if(!is_file($source_file)) // 원본 파일이 없다면
@ -217,6 +215,11 @@ function thumbnail($filename, $source_path, $target_path, $thumb_width, $thumb_h
return basename($source_file);
}
$ext = array(1 => 'gif', 2 => 'jpg', 3 => 'png');
$thumb_filename = preg_replace("/\.[^\.]+$/i", "", $filename); // 확장자제거
$thumb_file = "$target_path/thumb-{$thumb_filename}_{$thumb_width}x{$thumb_height}.".$ext[$size[2]];
$thumb_time = @filemtime($thumb_file);
$source_time = @filemtime($source_file);
@ -266,6 +269,7 @@ function thumbnail($filename, $source_path, $target_path, $thumb_width, $thumb_h
}
} else if ($size[2] == 3) {
$src = imagecreatefrompng($source_file);
imagealphablending($src, true);
} else {
return;
}
@ -324,6 +328,11 @@ function thumbnail($filename, $source_path, $target_path, $thumb_width, $thumb_h
}
$dst = imagecreatetruecolor($dst_w, $dst_h);
if($size[2] == 3) {
imagealphablending($dst, false);
imagesavealpha($dst, true);
}
} else {
$dst = imagecreatetruecolor($dst_w, $dst_h);
@ -345,8 +354,15 @@ function thumbnail($filename, $source_path, $target_path, $thumb_width, $thumb_h
}
}
$bgcolor = imagecolorallocate($dst, 255, 255, 255); // 배경색
imagefill($dst, 0, 0, $bgcolor);
if($size[2] == 3) {
$bgcolor = imagecolorallocatealpha($dst, 0, 0, 0, 127);
imagefill($dst, 0, 0, $bgcolor);
imagealphablending($dst, false);
imagesavealpha($dst, true);
} else {
$bgcolor = imagecolorallocate($dst, 255, 255, 255); // 배경색
imagefill($dst, 0, 0, $bgcolor);
}
}
imagecopyresampled($dst, $src, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h);
@ -357,12 +373,24 @@ function thumbnail($filename, $source_path, $target_path, $thumb_width, $thumb_h
UnsharpMask($dst, $val[0], $val[1], $val[2]);
}
if(!defined('G5_THUMB_JPG_QUALITY'))
$jpg_quality = 90;
else
$jpg_quality = G5_THUMB_JPG_QUALITY;
if($size[2] == 1) {
imagegif($dst, $thumb_file);
} else if($size[2] == 3) {
if(!defined('G5_THUMB_PNG_COMPRESS'))
$png_compress = 5;
else
$png_compress = G5_THUMB_PNG_COMPRESS;
imagepng($dst, $thumb_file, $png_compress);
} else {
if(!defined('G5_THUMB_JPG_QUALITY'))
$jpg_quality = 90;
else
$jpg_quality = G5_THUMB_JPG_QUALITY;
imagejpeg($dst, $thumb_file, $jpg_quality);
}
imagejpeg($dst, $thumb_file, $jpg_quality);
chmod($thumb_file, G5_FILE_PERMISSION); // 추후 삭제를 위하여 파일모드 변경
imagedestroy($src);