php打造智能化的柱状图程序，用于报表等
php打造智能化的柱状图程序，用于报表等
<?php
/***
*@projectBarGraphProgram
*@licenseGPL
*@package
*@fileGrapBar.php
*@date2007-4-3
*@version1.0
*@lastmodified
*定义柱状图（柱形图）类
*
*注意，使用前请确保字体路径存在并允许访问，如果出错，还要检查在php.ini配置中的open_basedir项，如果没此路径请添加，或在程序中设置包含
*
*智能化的柱状图程序，用于报表等
*
***/
define("DEFAULT_FONT_PATH","c:/windows/fonts/simhei.ttf");
classSingleBar
{
private$_x;
private$_y;
private$_h;
public$_l=50;
private$_w=null;
private$_srcPoints=array();
private$_points=array();
publicfunction__construct($x,$y,$h,$l=50,$w=null)
{
$this->_x=$x;
$this->_y=$y;
$this->_h=$h;
$this->_l=$l;
$this->_w=$w;
$this->_srcPoints=$this->getSrcPoints();
$this->_points=$this->getPoints();
}
publicfunctiongetSrcPoints()
{
returnarray(
array($this->_x,$this->_y),
array($this->_x+$this->_l,$this->_y),
array($this->_x+(1.35*$this->_l),$this->_y-(0.35*$this->_l)),
array($this->_x+(0.35*$this->_l),$this->_y-(0.35*$this->_l)),
array($this->_x,$this->_y+$this->_h),
array($this->_x+$this->_l,$this->_y+$this->_h),
array($this->_x+(1.35*$this->_l),$this->_y+$this->_h-(0.35*$this->_l))
);
}
publicfunctiongetPoints()
{
$points=array();
foreach($this->_srcPointsas$key=>$val)
{
$points[]=$val[0];
$points[]=$val[1];
}
return$points;
}
publicfunctiongetTopPoints()
{
returnarray_slice($this->_points,0,8);//顶坐标
}
publicfunctiongetBelowPoints()
{
returnarray_merge(array_slice($this->_points,0,2),array_slice($this->_points,8,4),array_slice($this->_points,2,2));//下坐标
}
publicfunctiongetRightSidePoints()
{
returnarray_merge(array_slice($this->_points,2,2),array_slice($this->_points,10,4),array_slice($this->_points,4,2));//右侧坐标
}
publicfunctiondraw($image,$topColor,$belowColor,$sideColor,$borderColor=null,$type='LEFT')
{
if(is_null($borderColor))
{
$borderColor=0xcccccc;
}
$top_rgb=$this->getRGB($topColor);
$below_rgb=$this->getRGB($belowColor);
$side_rgb=$this->getRGB($sideColor);
$top_color=imagecolorallocate($image,$top_rgb['R'],$top_rgb['G'],$top_rgb['B']);
$below_color=imagecolorallocate($image,$below_rgb['R'],$below_rgb['G'],$below_rgb['B']);
$side_color=imagecolorallocate($image,$side_rgb['R'],$side_rgb['G'],$side_rgb['B']);
imagefilledpolygon($image,$this->getTopPoints(),4,$top_color);//画顶面
imagepolygon($image,$this->getTopPoints(),4,$borderColor);//画顶面边线
imagefilledpolygon($image,$this->getBelowPoints(),4,$below_color);//画下面
imagepolygon($image,$this->getBelowPoints(),4,$borderColor);//画下面边线
if($type=='LEFT')
{
imagefilledpolygon($image,$this->getRightSidePoints(),4,$side_color);//画右侧面
imagepolygon($image,$this->getRightSidePoints(),4,$borderColor);//画侧面边线
}
}
publicfunctiongetRGB($color)
{
$ar=array();
$color=hexdec($color);
$ar['R']=($color>>16)&0xff;
$ar['G']=($color>>8)&0xff;
$ar['B']=($color)&0xff;
return$ar;
}
}
classBar
{
private$_W;
private$_H;
private$_bgColor="ffffff";
private$_barHeights=array();
private$_barTexts=array();
private$_barColors=array();
public$_title;
public$_paddingTop=30;
public$_paddingBottom=100;
public$_paddingLeft=45;
public$_paddingRight=2;
public$_barL=50;
public$image;
publicfunction__construct($imgW,$imgH,$barHeights,$barTexts=null,$barColors=null)
{
$this->_W=$imgW;
$this->_H=$imgH;
$this->_barHeights=$barHeights;
$this->_barTexts=$barTexts;
$this->_barColors=$barColors;
$this->_paddingBottom=$this->resetPaddingBottom();
$this->_H=$this->resetHeight();
$this->image=imagecreatetruecolor($this->_W,$this->_H);
}
publicfunctionstroke()
{
$this->drawBg();
$this->drawBars();
$this->drawTitle();
$this->drawLables();
ob_start();
//header("Content-type:image/png");
//imagepng($this->image);
header("Content-type:".image_type_to_mime_type(IMAGETYPE_JPEG));
imagejpeg($this->image);
imagedestroy($this->image);
}
publicfunctiondrawBg()
{
$img_w=$this->_W;
$img_h=$this->_H;
$paddingTop=$this->_paddingTop;
$paddingBottom=$this->_paddingBottom;
$paddingLeft=$this->_paddingLeft;
$paddingRight=$this->_paddingRight;
$rgb=$this->getRGB($this->_bgColor);
$bg=imagecolorallocate($this->image,$rgb['R'],$rgb['G'],$rgb['B']);
imagefilledrectangle($this->image,0,0,$img_w,$img_h,$bg);
$side_bg=imagecolorallocatealpha($this->image,220,220,220,75);
$side_bg2=imagecolorallocate($this->image,220,220,220);
$border_color=imagecolorallocate($this->image,190,190,190);
$line_color=imagecolorallocate($this->image,236,236,236);
$dial_color=imagecolorallocate($this->image,131,131,131);
$x1=$paddingLeft;
$y1=$paddingTop;
$x2=$img_w-$paddingRight;
$y2=$img_h-$paddingBottom;
imagerectangle($this->image,$x1,$y1,$x2,$y2,$border_color);
imagefilledpolygon($this->image,array($x1-5,$y1+10,$x1-5,$y2+10,$x1,$y2,$x1,$y1),4,$side_bg);
imagepolygon($this->image,array($x1-5,$y1+10,$x1-5,$y2+10,$x1,$y2,$x1,$y1),4,$border_color);
imagefilledpolygon($this->image,array($x1-5,$y2+10,$x2-5,$y2+10,$x2,$y2,$x1,$y2),4,$side_bg);
imagepolygon($this->image,array($x1-5,$y2+10,$x2-5,$y2+10,$x2,$y2,$x1,$y2),4,$border_color);
imageline($this->image,$x1,$y2,$x2,$y2,$side_bg2);
$total_h=$img_h-$paddingTop-$paddingBottom;
$every_h=$total_h/11;
for($i=1;$i<=10;$i++)
{
imageline($this->image,$x1,$y1+($every_h*$i),$x2,$y1+($every_h*$i),$line_color);//画网线
}
$max_h=max($this->_barHeights);
for($i=1;$i<=10;$i++)
{
$value=$max_h-(($max_h/10)*($i-1));
$value=strval($value);
$str_w=strlen($value)*5;
imageline($this->image,$x1-5-3,$y1+10+($every_h*$i),$x1-3+1,$y1+10+($every_h*$i),$dial_color);//画刻度线
imagestring($this->image,3,$x1-5-3-$str_w-1,$y1+10+($every_h*$i)-5,$value,0x000000);
}
}
publicfunctiondrawBars()
{
$counts=count($this->_barHeights);
if(empty($this->_barColors))
{
$color=$this->setColor();
$this->_barColors=array_slice($color,0,$counts);
//shuffle($this->_barColors);
}
$every_w=($this->_W-$this->_paddingLeft-$this->_paddingRight)/$counts;//每一段宽
$barL=$every_w;
$barL=($barL>$this->_barL*1.35+6)?$this->_barL:$barL/1.35-6;
$max_h=max($this->_barHeights);
$ruler_h=$this->_H-$this->_paddingTop-$this->_paddingBottom;//标尺总高度
$stander_h=$ruler_h-($ruler_h/11);//标尺10等分的高度
$i=0;
foreach($this->_barHeightsas$val)
{
$h=($stander_h/$max_h)*$val;
$x=$this->_paddingLeft+($every_w*$i)+(($every_w-($barL*1.35))/2);;
$y=$this->_H-$this->_paddingBottom+10-$h;
//$t_color=$this->_barColors[$i];
$b_color=$this->_barColors[$i];
//$s_color=$this->_barColors[$i];
$rgb=$this->getRGB($this->_barColors[$i]);
$R=$rgb['R']*0.7;
$G=$rgb['G']*0.7;
$B=$rgb['B']*0.7;
$c1=$R>0?dechex($R):'00';
$c2=$G>0?dechex($G):'00';
$c3=$B>0?dechex($B):'00';
$t_color=$b_color;
$s_color=$c1.$c2.$c3;
$SingleBar=newSingleBar($x,$y,$h,$barL);
$SingleBar->draw($this->image,$t_color,$b_color,$s_color);
$i++;
}
}
publicfunctiondrawTitle()
{
if(empty($this->_title))
{
return;
}
$font=5;
$font_w=imagefontwidth($font);
$len=strlen($this->_title);
$x=($this->_W+$this->_paddingLeft-$this->_paddingRight)/2;
$x-=($len*$font_w)/2;
$y=($this->_paddingTop-$font_w)/2+12;
//imagestring($this->image,$font,$x,$y,$title,0x000000);
imagettftext($this->image,12,0,$x,$y,0x000000,DEFAULT_FONT_PATH,$this->_title);
}
publicfunctiondrawLables()
{
$x1=$this->_paddingLeft-5;
$y1=$this->_H-$this->_paddingBottom+20;
$x2=$this->_W-$this->_paddingRight;
$y2=$this->_H-10;
//imagefilledrectangle($this->image,$x1,$y1,$x2,$y2,0xffffff);
imagerectangle($this->image,$x1,$y1,$x2,$y2,0x000000);
$space=5;
$x=$x1+3;
$y=$y1+3;
foreach($this->_barTextsas$key=>$val)
{
$color=$this->_barColors[$key];
$rgb=$this->getRGB($color);
$bg=imagecolorallocate($this->image,$rgb['R'],$rgb['G'],$rgb['B']);
imagefilledrectangle($this->image,$x,$y,$x+12,$y+12,$bg);//绘12*12的矩形
imagerectangle($this->image,$x,$y,$x+12,$y+12,0x000000);//绘12*12的矩形框
imagettftext($this->image,12,0,$x+12+3,$y+12,0x000000,DEFAULT_FONT_PATH,$val);
$x+=12+$space+(strlen($val)*8)+$space;
if($x+(strlen($val)*8)>=$this->_W-$this->_paddingLeft-$this->_paddingRight)
{
$x=$x1+3;
$y=$y+12+3;
}
}
}
publicfunctionresetPaddingBottom()
{
$ruler_w=$this->_W-$this->_paddingLeft-$this->_paddingRight;
$label_w=$this->getLableTotalWidth();
$lines=ceil($label_w/$ruler_w);
$h=12*$lines+(3*($lines+1))+30;
return$h;
}
publicfunctionresetHeight()
{
$padding_bottom=$this->resetPaddingBottom();
if($this->_H-$padding_bottom<222)
{
return222+$padding_bottom;
}
return$this->_H;
}
publicfunctiongetLableTotalWidth()
{
$counts=count($this->_barTexts);
$space=5;
$total_len=0;
foreach($this->_barTextsas$val)
{
$total_len+=strlen($val);
}
$tx_w=($total_len*9)+((12+3+$space)*$counts);
return$tx_w;
}
publicfunctionsetBg($color)
{
$this->_bgColor=$color;
}
publicfunctionsetTitle($title)
{
$this->_title=$title;
}
publicfunctionsetColor()
{
$ar=array('ff','00','33','66','99','cc');
$color=array();
for($i=0;$i<6;$i++)
{
for($j=0;$j<6;$j++)
{
for($k=0;$k<6;$k++)
{
$color[]=$ar[$i].$ar[$j].$ar[$k];
}
}
}
$color2=array();
for($i=1;$i<216;$i+=4)
{
$color2[]=$color[$i];
}
return$color2;
}
publicfunctiongetRGB($color)
{
$ar=array();
$color=hexdec($color);
$ar['R']=($color>>16)&0xff;
$ar['G']=($color>>8)&0xff;
$ar['B']=($color)&0xff;
return$ar;
}
}
/***/
$bar=newBar(500,300,array(600,300,30,500,400,250,350,360),array('AAAAA','BBBBB','CCCCC','DDDDD','EEEEEE','FFFFFF','GGGGGGG','HHHHHHHHH'));
$bar->setTitle('打造完美柱状图!');
$bar->stroke();
/***/
?>
以上所述就是本文的全部内容了，希望大家能够喜欢。