PHP 3D 부채 형 통계 도 제작 및 그림 크기 조정 작업 실례

<?php
header("content-type","text/html;charset=utf-8");
/*     */
$image = imagecreatetruecolor(100, 100);    /*    */
/*         */
$white = imagecolorallocate($image,0xff,0xff,0xff);
$gray = imagecolorallocate($image, 0xc0, 0xc0, 0xc0);
$darkgray = imagecolorallocate($image, 0x90, 0x90, 0x90);
$navy = imagecolorallocate($image, 0x00, 0x00, 0x80);
$darknavy = imagecolorallocate($image, 0x00, 0x00, 0x50);
$red = imagecolorallocate($image, 0xff, 0x00, 0x00);
$darkred = imagecolorallocate($image, 0x90, 0x00, 0x00);
/*     */
imagefill($image, 0, 0, $white);
/*3D  */
for($i = 60; $i > 50; $i--)
{
imagefilledarc($image, 50, $i, 100, 50, -160, 40, $darknavy, IMG_ARC_PIE);
imagefilledarc($image, 50, $i, 100, 50, 40, 75, $darkgray, IMG_ARC_PIE);
imagefilledarc($image, 50, $i, 100, 50, 75, 200, $darkred, IMG_ARC_PIE);
}
/*       */
imagefilledarc($image, 50, 50, 100, 50, -160, 40, $darknavy, IMG_ARC_PIE);
imagefilledarc($image, 50, 50, 100, 50, 40, 75, $darkgray, IMG_ARC_PIE);
imagefilledarc($image, 50, 50, 100, 50, 75, 200, $darkred, IMG_ARC_PIE);
/*    */
imagestring($image, 3, 15, 55, "30%", $white);
imagestring($image, 3, 45, 35, "60%", $white);
imagestring($image, 3, 60, 60, "10%", $white);
/*    */
header("content-type:image/png");
imagepng($image);
/*    */
imagedestroy($image);
?>

<div>
<h4>    </h4>
<img src="1.png">
</div>
<?php
header("content-type","text/html;charset=utf-8");
/*
*    
*@param string $filename      url
*@param int    $width                 
*@param int    $height                
*/
function thumb($filename,$width=130,$height=130)
{
/*       */
list($width_orig,$height_orig) = getimagesize($filename);
/*    $width $height，            */
if($width && ($width_orig < $height_orig))
{
$width = ($height / $height_orig) * $width_orig;
}
else
{
$height = ($width / $width_orig) * $height_orig;
}
/*         */
$image_p = imagecreatetruecolor($width, $height);
/*      */
$image = imagecreatefrompng($filename);
/*  imagecopyresampled  */
imagecopyresampled($image_p, $image, 0, 0, 0, 0, $width, $height, $width_orig, $height_orig);
/*           */
imagepng($image_p,'test.png');
/*    */
imagedestroy($image_p);
imagedestroy($image);
}
/*    */
thumb('1.png');
?>
<div>
<h4>      </h4>
<img src="test.png">
</div>