php绘图2

<?php
/**
 * Created by PhpStorm.
 * User: dllo
 * Date: 16/8/12
 * Time: 下午4:24
 */
header("Content-type:image/png;");

$image = imagecreate(500,500);

//第一次调用,会给画布背景添加颜色
imagecolorallocate($image,255,0,0);

$green = imagecolorallocate($image,0,255,0);
$blue = imagecolorallocate($image,0,0,255);
$white = imagecolorallocate($image,0,0,0);
//设置画笔样式
imagesetstyle($image,[$green,$blue]);

//设置线宽
imagesetthickness($image,"30");

//imageline($image,0,0,500,500,IMG_COLOR_STYLED);
imageline($image,0,500,500,0,$blue);

// 设置笔刷
$img = imagecreatefrompng("http://www.libpng.org/pub/png/images/smile.happy.png");

imagesetbrush($image, $img);
imageline($image,0, 500, 500, 500, IMG_COLOR_BRUSHED);

// 画圆
imagearc($image,250,250,100,200,0,360,$green);

// 填充一个矩形
imagefilledrectangle($image,50,50,200,200,IMG_COLOR_STYLED);

//填充文字
imagestring($image,5,20,20,"word",$green);

// 写单个字符
imagechar($image,5,100,300,"X",IMG_COLOR_STYLED);

//插入单独像素
imagesetpixel($image,200,100,$white);

imagepng($image);
//内存管理,当图片生成之后返回给前端,图片的内存就可以回收了
imagedestroy($image);