php生成圆角图片代码

1. $image_file = $_GET['src'];
2. $corner_radius = isset($_GET['radius']) ? $_GET['radius'] : 20; // The default corner radius is set to 20px
3. $topleft = (isset($_GET['topleft']) and $_GET['topleft'] == "no") ? false : true; // Top-left rounded corner is shown by default
4. $bottomleft = (isset($_GET['bottomleft']) and $_GET['bottomleft'] == "no") ? false : true; // Bottom-left rounded corner is shown by default
5. $bottomright = (isset($_GET['bottomright']) and $_GET['bottomright'] == "no") ? false : true; // Bottom-right rounded corner is shown by default
6. $topright = (isset($_GET['topright']) and $_GET['topright'] == "no") ? false : true; // Top-right rounded corner is shown by default
7. $imagetype=strtolower($_GET['imagetype']);
8. $backcolor=$_GET['backcolor'];
9. $endsize=$corner_radius;
10. $startsize=$endsize*3-1;
11. $arcsize=$startsize*2+1;
13. if (($imagetype=='jpeg') or ($imagetype=='jpg')) {
14. $image = imagecreatefromjpeg($image_file);
15. } else {
16. if (($imagetype=='GIF') or ($imagetype=='gif')) {
17. $image = imagecreatefromgif($image_file);
18. } else {
19. $image = imagecreatefrompng($image_file);
20. }
21. }
24. $size = getimagesize($image_file);
25. // Top-left corner
26. $background = imagecreatetruecolor($size[0],$size[1]);
27. imagecopymerge($background, $image, 0, 0, 0, 0, $size[0], $size[1], 100);
28. $startx=$size[0]*2-1;
29. $starty=$size[1]*2-1;
30. $im_temp = imagecreatetruecolor($startx,$starty);
31. imagecopyresampled($im_temp, $background, 0, 0, 0, 0, $startx, $starty, $size[0], $size[1]);
32. $bg = imagecolorallocate($im_temp, hexdec(substr($backcolor,0,2)),hexdec(substr($backcolor,2,2)),hexdec(substr($backcolor,4,2)));
33. $fg = imagecolorallocate($im_temp, hexdec(substr($forecolor,0,2)),hexdec(substr($forecolor,2,2)),hexdec(substr($forecolor,4,2)));
35. if ($topleft == true) {
36. imagearc($im_temp, $startsize, $startsize, $arcsize, $arcsize, 180,270,$bg);
37. imagefilltoborder($im_temp,0,0,$bg,$bg);
38. }
40. // Bottom-left corner
41. if ($bottomleft == true) {
42. imagearc($im_temp, $startsize, $starty-$startsize,$arcsize, $arcsize, 90,180,$bg);
43. imagefilltoborder($im_temp,0,$starty,$bg,$bg);
44. }
46. // Bottom-right corner
47. if ($bottomright == true) {
48. imagearc($im_temp, $startx-$startsize, $starty-$startsize,$arcsize, $arcsize, 0,90,$bg);
49. imagefilltoborder($im_temp,$startx,$starty,$bg,$bg);
50. }
52. // Top-right corner
53. if ($topright == true) {
54. imagearc($im_temp, $startx-$startsize, $startsize,$arcsize, $arcsize, 270,360,$bg);
55. imagefilltoborder($im_temp,$startx,0,$bg,$bg);
56. }
59. $newimage = imagecreatetruecolor($size[0],$size[1]);
60. imagecopyresampled($image, $im_temp, 0, 0, 0, 0, $size[0],$size[1],$startx, $starty);
62. // Output final image
63. header("Content-type: image/png");
64. imagepng($image);
65. imagedestroy($image);
66. imagedestroy($background);
67. imagedestroy($im_temp);
68. ?>

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圆角, php