index.php

<?php$width=800;$height=600;    //绘图技术 基本步骤 前提:在php.ini文件中启用gd库    //创建画布 默认背景是黑色的    $img=imagecreatetruecolor($width,$height);    //绘制各种图形    //创建一个颜色    $background = imagecolorallocate($img, 255, 0, 0);    //画圆    imageellipse($img,60,100,50,50,$background);    //椭圆    imageellipse($img,60,180,50,30,$background);    //画直线    imageline($img,0,0,$width,$height,$background);    //画矩形    imagerectangle ($img, 400 , 200 , 600 , 80 , $background);    //填充矩形    imagefilledrectangle ($img, 400 , 400 , 600 , 300 , $background);    //画弧线    imagearc($img, 100, 300, 150, 150, 180, 270, $background);    //画扇型  IMG_ARC_CHORD直线连接了起始和结束点   IMG_ARC_PIE    imagefilledarc($img, 100, 400, 150, 150, 180, 270, $background,IMG_ARC_PIE);    //拷贝图片到画布    $scrImg=imagecreatefromgif('http://www.baidu.com/img/shouye_b5486898c692066bd2cbaeda86d74448.gif');    $scrImgInfo=getimagesize('http://www.baidu.com/img/shouye_b5486898c692066bd2cbaeda86d74448.gif');    imagecopy ($img,$scrImg,10,450,0,0,$scrImgInfo[0],$scrImgInfo[1]);    //imagecopy ($img,$scrImg,10,10,0,0,270,129);    //写字    imagestring ($img , 5 , 20 , 20 , "hello,world", $background );    //写中文    $str="PHP绘画技术";    imagettftext ($img , 30 , 0 , 200 ,50, $background , "MSYHBD.TTF" , $str);    //输出图像到网页(或者另存为)    header("content-type: image/png");    imagepng($img);    //销毁该图片(释放内存)    imagedestroy($img);    //原创链接：https://www.cnblogs.com/qingsong/p/5324515.html?>