PHP;">
/设置画布需要的颜色/
$white = imagecolorallocate($image,0xff,0xff);
$gray = imagecolorallocate($image,0xc0,0xc0);
$darkgray = imagecolorallocate($image,0x90,0x90);
$navy = imagecolorallocate($image,0x00,0x80);
$darknavy = imagecolorallocate($image,0x50);
$red = imagecolorallocate($image,0x00);
$darkred = imagecolorallocate($image,0x00);
$white = imagecolorallocate($image,0xff,0xff);
$gray = imagecolorallocate($image,0xc0,0xc0);
$darkgray = imagecolorallocate($image,0x90,0x90);
$navy = imagecolorallocate($image,0x00,0x80);
$darknavy = imagecolorallocate($image,0x50);
$red = imagecolorallocate($image,0x00);
$darkred = imagecolorallocate($image,0x00);
/填充背景色/
imagefill($image,$white);
/3D制作/
for($i = 60; $i > 50; $i--)
{
imagefilledarc($image,50,$i,100,-160,40,$darknavy,IMG_ARC_PIE);
imagefilledarc($image,75,$darkgray,200,$darkred,IMG_ARC_PIE);
}
/画椭圆弧并填充/
imagefilledarc($image,IMG_ARC_PIE);
imagefilledarc($image,IMG_ARC_PIE);
/画字符串/
imagestring($image,3,15,55,"30%",$white);
imagestring($image,45,35,"60%",60,"10%",$white);
/输出图像/
header("content-type:image/png");
imagepng($image);
/释放资源/
imagedestroy($image);
?>
效果：
2、对图片进行缩放
PHP;">
PHP
header("content-type","text/html;charset=utf-8");
原图大小
PHP
header("content-type","text/html;charset=utf-8");
/
图片缩放
@param string $filename 图片的url
@param int $width 设置图片缩放的最大宽度
@param int $height 设置图片缩放的最大高度
/
function thumb($filename,$width=130,$height=130)
{
/获取原图的大小/
list($width_orig,$height_orig) = getimagesize($filename);
/*根据参数$width和$height，换算出等比例的高度和宽度*/
if($width && ($width_orig < $height_orig))
{
$width = ($height / $height_orig) * $width_orig;
}
else
{
$height = ($width / $width_orig) * $height_orig;
}
/*以新的大小创建画布*/
$image_p = imagecreatetruecolor($width,$height);
/*获取图像资源*/
$image = imagecreatefrompng($filename);
/*使用imagecopyresampled缩放*/
imagecopyresampled($image_p,$image,$width,$height,$width_orig,$height_orig);
/*保存缩放后的图片和命名*/
imagepng($image_p,'test.png');
/*释放资源*/
imagedestroy($image_p);
imagedestroy($image);}
/调用函数/
thumb('1.png');
?>
缩放后的大小
效果：
