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将 TexturePacker 导出的 json 格式 atlas 拆分
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<?php | |
/** | |
* 将 TexturePacker 导出的 json 格式 atlas 拆分 | |
*/ | |
function spliter($filename) { | |
$assetFolder = __DIR__; | |
$destFolder = $assetFolder; | |
$frames = json_decode(file_get_contents($assetFolder ."/$filename.txt"), true); | |
if(!$frames) { | |
die('Cannot open frames file'); | |
} | |
$frames = $frames['frames']; | |
$im = imagecreatefrompng($assetFolder."/$filename.png"); | |
foreach($frames as $name => $frame) { | |
$rect = $frame['frame']; | |
if(!$frame['rotated']) { | |
$rect['width'] = $rect['w']; | |
$rect['height'] = $rect['h']; | |
} else { | |
$rect['width'] = $rect['h']; | |
$rect['height'] = $rect['w']; | |
} | |
$im2 = imagecrop($im, $rect); | |
if ($im2) { | |
if($frame['rotated']) { | |
$im2 = imagerotate($im2, 90, imagecolorallocatealpha( $im2, 0, 0, 0, 127 )); | |
imagesavealpha($im2, true); | |
} | |
if(!file_exists("$destFolder/$filename")) { | |
mkdir("$destFolder/$filename"); | |
} | |
imagepng($im2, "$destFolder/$filename/$name"); | |
// if(strpos($name, '001.') > 0) { | |
// imagepng($im2, "$destFolder/chat_faces/$filename.png"); | |
// } | |
} | |
imagedestroy($im2); | |
} | |
imagedestroy($im); | |
echo "Processed $filename\n"; | |
} | |
foreach(range(0, 29) as $i) { | |
spliter("chat_face_$i"); | |
} |
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