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            php語言

            php生成圓角圖片的方法技巧

            時間:2025-06-05 02:18:47 php語言 我要投稿
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            php生成圓角圖片的方法技巧

              智力決不會在已經認識的真理上停止不前,而始終會不斷前進,走向尚未被認識的真理。以下是小編為大家搜索整理php生成圓角圖片的方法技巧,希望能給大家帶來幫助!更多精彩內容請及時關注我們應屆畢業生考試網!

              具體如下:

              代碼如下:

              $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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