<feFlood>元素是实用程序过滤器。它用于用颜色和不透明度基本填充过滤器子区域。
例子
<!DOCTYPE html>
<html>
<body>
<svg height="900" width="900">
<filter id="f1">
<feFlood x="5%" y="10%" width="30%" height="30%" flood-color="green" flood-opacity=".6"/>
</filter>
<rect x="10%" y="15%" width="20%" height="20%" fill="none" stroke-width="2" stroke="blue"/>
<rect x="10%" y="15%" width="20%" height="20%" filter="url(#f1)"/>
<rect x="40%" y="15%" width="20%" height="20%" fill="red" stroke-width="2" stroke="black"/>
<rect x="60%" y="15%" width="20%" height="20%" filter="url(#f1)"/>
</svg>
</body>
</html>
立即测试
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Warning: get_headers(): SSL operation failed with code 1. OpenSSL Error messages:
error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed in
/mydata/web/wwwshanhubei/web/wp-content/themes/shanhuke/single.php on line
57
Warning: get_headers(): Failed to enable crypto in
/mydata/web/wwwshanhubei/web/wp-content/themes/shanhuke/single.php on line
57
Warning: get_headers(https://static.shanhubei.com/qrcode/qrcode_viewid_46643.jpg): failed to open stream: operation failed in
/mydata/web/wwwshanhubei/web/wp-content/themes/shanhuke/single.php on line
57
