长微博生成工具PHP源码 根据文字生成长微博图片

1. error_reporting(7);
2. define('ROOT', getcwd());
3. define('BASEDIR', parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH));
4. if ($_POST['text']) {
5. $ret = array();
6. $text = $_POST['text'];
7. try {
8. $ret['imgurl'] = text2img($text, (array) $_REQUEST['config']);
9. }
10. catch (Exception $e) {
11. $ret['imgurl'] = print_r($e, true);
12. }
13. echo str_replace('\\/', '/', json_encode($ret));
14. exit(0);
15. }
16. function text2img($text, $options = array())
17. {
18. $text .= "\n-------------------------------\n";
19. $text .= "http://iscup.com";
20. $rows = substr_count($text, "\n") + 1;
21. $font_path = $options['fontfile'] ? $options['fontfile'] : ROOT . '/SIMSUN.TTC';
22. if (!file_exists($font_path))
23. throw new Exception(" 找不到字体文件：$font_path ");
24. $font_size = $options['fontsize'] ? $options['fontsize'] : 12;
25. $padding = $options['padding'] ? $options['padding'] : 30;
26. $row_plus_height = $options['row_plus_height'] ? $options['row_plus_height'] : 4;
27. $border = 1;
28. $im_width = 430;
29. $im_height = ($row_plus_height + ($font_size * 4) / 3) * $rows + ($padding + $border) * 2;
30. $im = @imagecreatetruecolor($im_width, $im_height);
31. if (!$im)
32. throw new Exception("初始化图片失败，请检查 GD 配置");
33. imagefilledrectangle($im, $border, $border, ($im_width - 2 * $border), ($im_height - 2 * $border), imagecolorallocate($im, 255, 255, 255));
34. imagettftext($im, $font_size, 0, ($border + $padding), (($font_size * 4) / 3 + $border + $padding), imagecolorallocate($im, 0, 0, 0), $font_path, $text);
35. $base_path = '/files';
36. $base_filename = date("Y-m-d,H-i-s") . '.png';
37. $short_filename = $base_path . '/' . $base_filename;
38. $short_url = rtrim(BASEDIR, '/') . $short_filename;
39. @mkdir(ROOT . $base_path, 0777, true);
40. $filename = ROOT . $short_filename;
41. if (!imagepng($im, $filename)) {
42. throw new Exception("创建图片时出错。");
43. }
44. @imagedestroy($im);
45. return $short_url;
46. }
48. ?>

56. 长微博工具

60. 
    
    
    
    长微博

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长微博, PHP