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31 lines
816 B
PHP
31 lines
816 B
PHP
<?php
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include ("saveGraphHelpers.php");
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$name = $_GET["name"];
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if (isValidName($name))
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{
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$imageFilename = getImageFileName($name);
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$imageData = base64_decode(preg_replace('#^data:image/\w+;base64,#i', '', $_POST['base64data']));
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if (isset($_GET["x"]) && $_GET["width"] < 4000 && $_GET["height"] < 4000)
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{
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$src = imagecreatefromstring($imageData);
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$dst = imagecreatetruecolor($_GET["width"], $_GET["height"]);
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imagesavealpha($dst, true);
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imagealphablending($dst, false);
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imagecopy($dst, $src, 0, 0, $_GET["x"], $_GET["y"], $_GET["width"], $_GET["height"]);
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imagepng($dst, $imageFilename);
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}
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else
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{
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file_put_contents($imageFilename, $imageData);
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}
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chmod($imageFilename, 0644);
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echo ("OK");
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}
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?>
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