<?php
/*
//新建图像
//雪花
@header("Content-Type:image/png");
$w = 500;
$h = 500;
//create
$img = imagecreate($w,$h);
//设置底色
imagecolorallocate($img,120,200,150);
$snowflake_size = 5; //1dao5
//利用循环生成雪花 imagechar() 输出*号
for ($i=1; $i<=400; $i++){
imagechar($img,$snowflake_size,mt_rand(0,$w),mt_rand(0,$h),"*",imagecolorallocate($img,mt_rand(200,255),mt_rand(200,255),mt_rand(200,255)));
}
imagepng($img);
$imagedestroy($img);
//resource imagecreatetruecolor($w,$h);
*/
@header("Content-Type:image/png; charset=utf-8");
$imgWidth = 600;
$imgHeight = 400;
$img = imagecreatetruecolor($imgWidth, $imgHeight);
imagefill($img, 0, 0, imagecolorallocate($img, 240, 240, 240));//设置底色
$snowflake_size = 30;
$font_file = "c:\\WINDOWS\\Fonts\\simhei.ttf";
//生成大雪花 其实就是调用imagettftext()输出*号
for ($i=1; $i<=400; $i++)
{
$font_color = imagecolorallocate($img, mt_rand(100,200), mt_rand(100,200), mt_rand(100,200));
imagettftext($img, $snowflake_size, mt_rand(0, 180), mt_rand(0, $imgWidth),mt_rand(0, $imgHeight), $font_color, $font_file, "*");
}
//水印文字
$black_color = imagecolorallocate($img, 0, 0, 0);
$text = iconv("GB2312", "UTF-8", "雪花儿 by MoreWindows"); //将中文字转换为UTF8
imagettftext($img, 12, 0, $imgWidth - 200 , $imgHeight - 20, $black_color, $font_file, $text);
imagepng($img);
imagedestroy($img);
?>