<?
/*
//调用实例
$data_source = array(10,30,40,20);//统计数据源
$color_data = array("#ff0000","#cccccc","#0022ff","#33ff33");//对应块的颜色值
$text_data = array("Internet Explorer","Mozilla Firefox","Opera","Netscape");//对应块的文本说明
//创建类实例
$pie = new PieGraph( $data_source, 400, 200, "1.jpg" );
$pie->setColors($color_data);
$pie->setLegends($text_data);
//$pie->DisplayCreationTime(); //是否显示生成图片所用的时间
$pie->set3dHeight(20);//设置3D效果的高度
$pie->display();//显示图形
*/
/////////////////////////////////////////////////////////////////////////////
// 画饼形图表类
/////////////////////////////////////////////////////////////////////////////
class PieGraph{
var $pie;
var $data;
var $legends;
var $img_width;
var $img_height;
var $pie_width;
var $pie_height;
var $pie_colors;
var $pie_color_bg;
var $pie_color_text;
var $threedee_height;
var $colors_set;
var $pre_colors;
var $create_img_file;
//主函数,参数说明：$data数据源，$w图形宽度，$h图片高度，$create_img_file生成图片的路径及文件名
function PieGraph( $data, $w=200, $h=150, $create_img_file="" ){
if(!function_exists("imagecreatetruecolor")){
die("Error. GD Library >= 2 needed.");
}
$this->starttime = microtime();
$this->display_creation_time = false;
asort($data);
$this->data = array_reverse($data, TRUE);
$this->pie_width = $w;
$this->pie_height = $h;
$this->create_img_file = $create_img_file;
$this->pre_colors = array("#DA3600", "#0F84D4", "#F9A308", "#62D038", "#FE670F", "#2C9232", "#7F0B80", "#DFDE29", "#9F9F9F", "#EDEDED", "#BAE700");
}
function hex2rgb($hex)
{
$color = ereg_replace('^#','',$hex);
$rgb = array(
(16 * hexdec(substr($color,0,1)) + hexdec(substr($color,1,1)) ),
(16 * hexdec(substr($color,2,1)) + hexdec(substr($color,3,1)) ),
(16 * hexdec(substr($color,4,1)) + hexdec(substr($color,5,1)) )
);
return $rgb;
}
//设置颜色
function setColors($colors, $bg="FFFFFF", $text="000000", $border="999999"){
$this->pie_colors = ($colors) ? $colors : $this->pre_colors;
$this->pie_color_bg = (strlen($bg)>5) ? $this->hex2rgb($bg) : $this->hex2rgb("FFFFFF");
$this->pie_color_text = (strlen($text)>5) ? $this->hex2rgb($text) : $this->hex2rgb("000000");
$this->pie_color_border = (strlen($border)>5) ? $this->hex2rgb($border) : $this->hex2rgb("666666");
$this->pie_color_text_bg = $this->hex2rgb("F3F3F3");
$this->colors_set = true;
}
function setLegends($l){
$this->legends = $l;
}
function set3dHeight($tdh){
$this->threedee_height = $tdh;
}
//是否显示生成图片所用的时间
function DisplayCreationTime()
{
$this->display_creation_time = true;
}
//处理图形的数据
function init(){
if(!$this->colors_set){
$this->setColors($this->pre_colors);
}
$this->threedee_height = ($this->threedee_height) ? $this->threedee_height : 15; //3d效果的高度
$this->img_width = $this->pie_width;
$this->img_height = $this->pie_height;
$this->init_img_width = $this->pie_width * 3;
$this->init_img_height = $this->pie_height * 3;
$this->init_width = ($this->pie_width) * 3;
$this->init_height = ($this->pie_height-$this->threedee_height) * 3;
$this->init_3d_height = $this->threedee_height * 3;
$this->cx = round ($this->init_width/2);
$this->cy = round ($this->init_height/2);
$this->pie_data = array();
$this->total = 0;
foreach($this->data as $key => $value){
$this->total += $value; //计算数据总和
}
reset($this->data);
$num = count($this->data)-1;
$start = 0;
$c=0;
foreach($this->data as $key => $value){
if ( $value > 0 ){ //当数值大于0时才显示
$percent = $value/$this->total*100;
$fill = ($percent*3.6);
$fill = ($fill>360) ? 360 : $fill;
$end = round($start+$fill);
$end = ($end >360) ? 360 : $end;
if($num==$c)
{
$end = ($end < 360) ? 360 : $end;
}
$this->pie_data[$key] = array($start, $end); //划分图形块的角度数组
$start = $end;
$c++;
}
}
}
function get_color($num, $mode = "normal"){
$tmp_color = $this->hex2rgb( $this->pie_colors[$num] );
$tmp_color_3d = array(
( ($tmp_color[0] > 79) ? $tmp_color[0]-80 : 0 ),
( ($tmp_color[1] > 79) ? $tmp_color[1]-80 : 0 ),
( ($tmp_color[2] > 79) ? $tmp_color[2]-80 : 0 )
);
if($mode=="3d"){
return imagecolorallocate($this->pie, $tmp_color_3d[0], $tmp_color_3d[1], $tmp_color_3d[2]);
}else{
return imagecolorallocate($this->pie, $tmp_color[0], $tmp_color[1], $tmp_color[2]);
}
}
//显示图形
function display(){
$this->init();
$this->pie = @imagecreatetruecolor($this->init_img_width, $this->init_img_height);
$colBG = imagecolorallocate($this->pie, $this->pie_color_bg[0], $this->pie_color_bg[1], $this->pie_color_bg[2]);
imagefill($this->pie, 0, 0, $colBG);
//显示3D效果
$this->start_3d = $this->cy + $this->init_3d_height;
for($i=$this->start_3d;$i > $this->cy; $i--){
reset($this->pie_data);
$c=0;
foreach($this->pie_data as $k => $data){
$col = $this->get_color($k, "3d");
imagefilledarc($this->pie,
$this->cx, $i,
$this->init_width, $this->init_height,
$data[0], $data[1],
$col, IMG_ARC_NOFILL);
$c++;
}
}
reset($this->pie_data);
$c=0;
foreach($this->pie_data as $k => $data){
$col = $this->get_color($k, "normal");
imagefilledarc($this->pie,
$this->cx, $this->cy,
$this->init_width, $this->init_height,
$data[0], $data[1],
$col, IMG_ARC_PIE);
$c++;
}
$cellpadding=5;
$max_str=0;
$items=0;
foreach($this->legends as $k => $legend){
if(strlen($legend) > $max_str){
$max_str = strlen($legend);
}
$items++;
}
$box_with = imagefontheight(2)-5;
$box_height = imagefontheight(2)-5;
$leg_height = ((imagefontheight(2)+2) * $items) + ($cellpadding * 2);
$leg_width = (imagefontwidth(2) * ($max_str+7)) + ($cellpadding * 2) +($box_with * 2);
$leg_img = imagecreatetruecolor($leg_width, $leg_height);
imagefill($leg_img, 0, 0, $colBG);
// text color
$colTEXT = imagecolorallocate($leg_img, $this->pie_color_text[0], $this->pie_color_text[1], $this->pie_color_text[2]);
// text / legends backgroundcolor
$colTEXTBG = imagecolorallocate($leg_img, $this->pie_color_text_bg[0], $this->pie_color_text_bg[1], $this->pie_color_text_bg[2]);
// border color for the legends
$colTEXTBO = imagecolorallocate($leg_img, $this->pie_color_border[0], $this->pie_color_border[1], $this->pie_color_border[2]);
// the table + border for the legend
imagefilledrectangle($leg_img, 0, 0, $leg_width, $leg_height, $colTEXTBG);
imagerectangle($leg_img, 0, 0, $leg_width-1, $leg_height-1, $colTEXTBO);
reset($this->data);
$c=0;
$lx = $box_with + $cellpadding*2;
$ly = $cellpadding;
foreach($this->data as $k => $data){
// legend text item
$percent = round($data/$this->total*100, 2);
$text = $this->legends[$k]." ".$percent."%";
$col = $this->get_color($k, "normal");
imagefilledrectangle($leg_img, $cellpadding, $ly+2, $cellpadding+$box_with, $ly+$box_height+2, $col);
imagerectangle($leg_img, $cellpadding, $ly+2, $cellpadding+$box_with, $ly+$box_height+2, $colTEXTBO);
imagestring($leg_img, 2, $lx, $ly, $text, $colTEXT);
$ly += (2 + imagefontheight(2));
$c++;
}
// final setups an image creation
$pie_width = ImageSX($this->pie);
$pie_height = ImageSY($this->pie);
if($this->img_height < $leg_height)
{
$this->img_height = $leg_height;
}
$img = imagecreatetruecolor($this->img_width+$leg_width+$cellpadding, $this->img_height);
$ly += (2 + imagefontheight(2));
imagefill($img, 0, 0, $colBG);
imagecopyresampled($img, $this->pie,
0, 0,
0, 0,
$this->img_width, $this->img_height,
$pie_width, $pie_height);
imagecopyresampled($img, $leg_img,
$this->img_width+$cellpadding, 0,
0, 0,
$leg_width, $leg_height,
$leg_width, $leg_height);
// 显示生成图片所用的时间
if($this->display_creation_time){
$this->endtime = microtime();
list($susec, $ssec) = explode(" ",$this->starttime);
$this->starttime = $susec+$ssec;
list($eusec, $esec) = explode(" ",$this->endtime);
$this->endtime = $eusec+$esec;
$time = round ($this->endtime-$this->starttime, 2);
$time_text = "creation time: ".$time." sec";
imagestring($img, 2, ($this->pie_width+$cellpadding), ($this->img_height-imagefontheight(5)), $time_text, $colTEXT);
}
//生成图片----------------------------------------
header('Content-type: image/jpeg');
//$create_img_file = ""; //生成图片的路径及文件名（如：1.jpg），如果省略则直接输出显示
$create_img_quality = 100; //生成图片的质量，值为：0到100
//如果有文件名，则生成图片到指定的路径
if ( $this->create_img_file <> "" ) imagejpeg($img, $this->create_img_file, $create_img_quality);
//显示图片
imagejpeg($img, "", $create_img_quality);
imagedestroy($this->pie);
imagedestroy($leg_img);
imagedestroy($img);
}
}
?>
/*
//调用实例
$data_source = array(10,30,40,20);//统计数据源
$color_data = array("#ff0000","#cccccc","#0022ff","#33ff33");//对应块的颜色值
$text_data = array("Internet Explorer","Mozilla Firefox","Opera","Netscape");//对应块的文本说明
//创建类实例
$pie = new PieGraph( $data_source, 400, 200, "1.jpg" );
$pie->setColors($color_data);
$pie->setLegends($text_data);
//$pie->DisplayCreationTime(); //是否显示生成图片所用的时间
$pie->set3dHeight(20);//设置3D效果的高度
$pie->display();//显示图形
*/
/////////////////////////////////////////////////////////////////////////////
// 画饼形图表类
/////////////////////////////////////////////////////////////////////////////
class PieGraph{
var $pie;
var $data;
var $legends;
var $img_width;
var $img_height;
var $pie_width;
var $pie_height;
var $pie_colors;
var $pie_color_bg;
var $pie_color_text;
var $threedee_height;
var $colors_set;
var $pre_colors;
var $create_img_file;
//主函数,参数说明：$data数据源，$w图形宽度，$h图片高度，$create_img_file生成图片的路径及文件名
function PieGraph( $data, $w=200, $h=150, $create_img_file="" ){
if(!function_exists("imagecreatetruecolor")){
die("Error. GD Library >= 2 needed.");
}
$this->starttime = microtime();
$this->display_creation_time = false;
asort($data);
$this->data = array_reverse($data, TRUE);
$this->pie_width = $w;
$this->pie_height = $h;
$this->create_img_file = $create_img_file;
$this->pre_colors = array("#DA3600", "#0F84D4", "#F9A308", "#62D038", "#FE670F", "#2C9232", "#7F0B80", "#DFDE29", "#9F9F9F", "#EDEDED", "#BAE700");
}
function hex2rgb($hex)
{
$color = ereg_replace('^#','',$hex);
$rgb = array(
(16 * hexdec(substr($color,0,1)) + hexdec(substr($color,1,1)) ),
(16 * hexdec(substr($color,2,1)) + hexdec(substr($color,3,1)) ),
(16 * hexdec(substr($color,4,1)) + hexdec(substr($color,5,1)) )
);
return $rgb;
}
//设置颜色
function setColors($colors, $bg="FFFFFF", $text="000000", $border="999999"){
$this->pie_colors = ($colors) ? $colors : $this->pre_colors;
$this->pie_color_bg = (strlen($bg)>5) ? $this->hex2rgb($bg) : $this->hex2rgb("FFFFFF");
$this->pie_color_text = (strlen($text)>5) ? $this->hex2rgb($text) : $this->hex2rgb("000000");
$this->pie_color_border = (strlen($border)>5) ? $this->hex2rgb($border) : $this->hex2rgb("666666");
$this->pie_color_text_bg = $this->hex2rgb("F3F3F3");
$this->colors_set = true;
}
function setLegends($l){
$this->legends = $l;
}
function set3dHeight($tdh){
$this->threedee_height = $tdh;
}
//是否显示生成图片所用的时间
function DisplayCreationTime()
{
$this->display_creation_time = true;
}
//处理图形的数据
function init(){
if(!$this->colors_set){
$this->setColors($this->pre_colors);
}
$this->threedee_height = ($this->threedee_height) ? $this->threedee_height : 15; //3d效果的高度
$this->img_width = $this->pie_width;
$this->img_height = $this->pie_height;
$this->init_img_width = $this->pie_width * 3;
$this->init_img_height = $this->pie_height * 3;
$this->init_width = ($this->pie_width) * 3;
$this->init_height = ($this->pie_height-$this->threedee_height) * 3;
$this->init_3d_height = $this->threedee_height * 3;
$this->cx = round ($this->init_width/2);
$this->cy = round ($this->init_height/2);
$this->pie_data = array();
$this->total = 0;
foreach($this->data as $key => $value){
$this->total += $value; //计算数据总和
}
reset($this->data);
$num = count($this->data)-1;
$start = 0;
$c=0;
foreach($this->data as $key => $value){
if ( $value > 0 ){ //当数值大于0时才显示
$percent = $value/$this->total*100;
$fill = ($percent*3.6);
$fill = ($fill>360) ? 360 : $fill;
$end = round($start+$fill);
$end = ($end >360) ? 360 : $end;
if($num==$c)
{
$end = ($end < 360) ? 360 : $end;
}
$this->pie_data[$key] = array($start, $end); //划分图形块的角度数组
$start = $end;
$c++;
}
}
}
function get_color($num, $mode = "normal"){
$tmp_color = $this->hex2rgb( $this->pie_colors[$num] );
$tmp_color_3d = array(
( ($tmp_color[0] > 79) ? $tmp_color[0]-80 : 0 ),
( ($tmp_color[1] > 79) ? $tmp_color[1]-80 : 0 ),
( ($tmp_color[2] > 79) ? $tmp_color[2]-80 : 0 )
);
if($mode=="3d"){
return imagecolorallocate($this->pie, $tmp_color_3d[0], $tmp_color_3d[1], $tmp_color_3d[2]);
}else{
return imagecolorallocate($this->pie, $tmp_color[0], $tmp_color[1], $tmp_color[2]);
}
}
//显示图形
function display(){
$this->init();
$this->pie = @imagecreatetruecolor($this->init_img_width, $this->init_img_height);
$colBG = imagecolorallocate($this->pie, $this->pie_color_bg[0], $this->pie_color_bg[1], $this->pie_color_bg[2]);
imagefill($this->pie, 0, 0, $colBG);
//显示3D效果
$this->start_3d = $this->cy + $this->init_3d_height;
for($i=$this->start_3d;$i > $this->cy; $i--){
reset($this->pie_data);
$c=0;
foreach($this->pie_data as $k => $data){
$col = $this->get_color($k, "3d");
imagefilledarc($this->pie,
$this->cx, $i,
$this->init_width, $this->init_height,
$data[0], $data[1],
$col, IMG_ARC_NOFILL);
$c++;
}
}
reset($this->pie_data);
$c=0;
foreach($this->pie_data as $k => $data){
$col = $this->get_color($k, "normal");
imagefilledarc($this->pie,
$this->cx, $this->cy,
$this->init_width, $this->init_height,
$data[0], $data[1],
$col, IMG_ARC_PIE);
$c++;
}
$cellpadding=5;
$max_str=0;
$items=0;
foreach($this->legends as $k => $legend){
if(strlen($legend) > $max_str){
$max_str = strlen($legend);
}
$items++;
}
$box_with = imagefontheight(2)-5;
$box_height = imagefontheight(2)-5;
$leg_height = ((imagefontheight(2)+2) * $items) + ($cellpadding * 2);
$leg_width = (imagefontwidth(2) * ($max_str+7)) + ($cellpadding * 2) +($box_with * 2);
$leg_img = imagecreatetruecolor($leg_width, $leg_height);
imagefill($leg_img, 0, 0, $colBG);
// text color
$colTEXT = imagecolorallocate($leg_img, $this->pie_color_text[0], $this->pie_color_text[1], $this->pie_color_text[2]);
// text / legends backgroundcolor
$colTEXTBG = imagecolorallocate($leg_img, $this->pie_color_text_bg[0], $this->pie_color_text_bg[1], $this->pie_color_text_bg[2]);
// border color for the legends
$colTEXTBO = imagecolorallocate($leg_img, $this->pie_color_border[0], $this->pie_color_border[1], $this->pie_color_border[2]);
// the table + border for the legend
imagefilledrectangle($leg_img, 0, 0, $leg_width, $leg_height, $colTEXTBG);
imagerectangle($leg_img, 0, 0, $leg_width-1, $leg_height-1, $colTEXTBO);
reset($this->data);
$c=0;
$lx = $box_with + $cellpadding*2;
$ly = $cellpadding;
foreach($this->data as $k => $data){
// legend text item
$percent = round($data/$this->total*100, 2);
$text = $this->legends[$k]." ".$percent."%";
$col = $this->get_color($k, "normal");
imagefilledrectangle($leg_img, $cellpadding, $ly+2, $cellpadding+$box_with, $ly+$box_height+2, $col);
imagerectangle($leg_img, $cellpadding, $ly+2, $cellpadding+$box_with, $ly+$box_height+2, $colTEXTBO);
imagestring($leg_img, 2, $lx, $ly, $text, $colTEXT);
$ly += (2 + imagefontheight(2));
$c++;
}
// final setups an image creation
$pie_width = ImageSX($this->pie);
$pie_height = ImageSY($this->pie);
if($this->img_height < $leg_height)
{
$this->img_height = $leg_height;
}
$img = imagecreatetruecolor($this->img_width+$leg_width+$cellpadding, $this->img_height);
$ly += (2 + imagefontheight(2));
imagefill($img, 0, 0, $colBG);
imagecopyresampled($img, $this->pie,
0, 0,
0, 0,
$this->img_width, $this->img_height,
$pie_width, $pie_height);
imagecopyresampled($img, $leg_img,
$this->img_width+$cellpadding, 0,
0, 0,
$leg_width, $leg_height,
$leg_width, $leg_height);
// 显示生成图片所用的时间
if($this->display_creation_time){
$this->endtime = microtime();
list($susec, $ssec) = explode(" ",$this->starttime);
$this->starttime = $susec+$ssec;
list($eusec, $esec) = explode(" ",$this->endtime);
$this->endtime = $eusec+$esec;
$time = round ($this->endtime-$this->starttime, 2);
$time_text = "creation time: ".$time." sec";
imagestring($img, 2, ($this->pie_width+$cellpadding), ($this->img_height-imagefontheight(5)), $time_text, $colTEXT);
}
//生成图片----------------------------------------
header('Content-type: image/jpeg');
//$create_img_file = ""; //生成图片的路径及文件名（如：1.jpg），如果省略则直接输出显示
$create_img_quality = 100; //生成图片的质量，值为：0到100
//如果有文件名，则生成图片到指定的路径
if ( $this->create_img_file <> "" ) imagejpeg($img, $this->create_img_file, $create_img_quality);
//显示图片
imagejpeg($img, "", $create_img_quality);
imagedestroy($this->pie);
imagedestroy($leg_img);
imagedestroy($img);
}
}
?>
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