| 标题 | php生成圆角图片的方法 |
| 内容 | 具体如下： 代码如下: <?php $image_file = $_GET['src']; $corner_radius = isset($_GET['radius']) ? $_GET['radius'] : 20; // The default corner radius is set to 20px $topleft = (isset($_GET['topleft']) and $_GET['topleft'] == "no") ? false : true; // Top-left rounded corner is shown by default $bottomleft = (isset($_GET['bottomleft']) and $_GET['bottomleft'] == "no") ? false : true; // Bottom-left rounded corner is shown by default $bottomright = (isset($_GET['bottomright']) and $_GET['bottomright'] == "no") ? false : true; // Bottom-right rounded corner is shown by default $topright = (isset($_GET['topright']) and $_GET['topright'] == "no") ? false : true; // Top-right rounded corner is shown by default $imagetype=strtolower($_GET['imagetype']); $backcolor=$_GET['backcolor']; $endsize=$corner_radius; $startsize=$endsize*3-1; $arcsize=$startsize*2+1; if (($imagetype=='jpeg') or ($imagetype=='jpg')) { $image = imagecreatefromjpeg($image_file); } else { if (($imagetype=='GIF') or ($imagetype=='gif')) { $image = imagecreatefromgif($image_file); } else { $image = imagecreatefrompng($image_file); } } $size = getimagesize($image_file); // Top-left corner $background = imagecreatetruecolor($size[0],$size[1]); imagecopymerge($background,$image,0,0,0,0,$size[0],$size[1],100); $startx=$size[0]*2-1; $starty=$size[1]*2-1; $im_temp = imagecreatetruecolor($startx,$starty); imagecopyresampled($im_temp, $background, 0, 0, 0, 0, $startx, $starty, $size[0], $size[1]); $bg = imagecolorallocate($im_temp, hexdec(substr($backcolor,0,2)),hexdec(substr($backcolor,2,2)),hexdec(substr($backcolor,4,2))); $fg = imagecolorallocate($im_temp, hexdec(substr($forecolor,0,2)),hexdec(substr($forecolor,2,2)),hexdec(substr($forecolor,4,2))); if ($topleft == true) { imagearc($im_temp, $startsize, $startsize, $arcsize, $arcsize, 180,270,$bg); imagefilltoborder($im_temp,0,0,$bg,$bg); } // Bottom-left corner if ($bottomleft == true) { imagearc($im_temp,$startsize,$starty-$startsize,$arcsize,$arcsize,90,180,$bg); imagefilltoborder($im_temp,0,$starty,$bg,$bg); } // Bottom-right corner if ($bottomright == true) { imagearc($im_temp, $startx-$startsize, $starty-$startsize,$arcsize, $arcsize, 0,90,$bg); imagefilltoborder($im_temp,$startx,$starty,$bg,$bg); } // Top-right corner if ($topright == true) { imagearc($im_temp, $startx-$startsize, $startsize,$arcsize, $arcsize, 270,360,$bg); imagefilltoborder($im_temp,$startx,0,$bg,$bg); } $newimage = imagecreatetruecolor($size[0],$size[1]); imagecopyresampled($image,$im_temp,0,0,0,0,$size[0],$size[1],$startx,$starty); // Output final image header("Content-type: image/png"); imagepng($image); imagedestroy($image); imagedestroy($background); imagedestroy($im_temp); ?> |
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