用gd图库生成横竖柱状图折线图的类-php

haidong 发表于 2010-2-24 13:43:52

用gd图库生成横竖柱状图折线图的类

<OL><LI><CODE><?最近写的一个GD图库用以生成横竖柱状图和折线图的类库,算是一个教学例程吧</CODE><LI><CODE>Class ImageReport{ </CODE><LI><CODE>var $X;//图片大小X轴 </CODE><LI><CODE>var $Y;//图片大小Y轴 </CODE><LI><CODE>var $R;//背影色R值 </CODE><LI><CODE>var $G;//...G. </CODE><LI><CODE>var $B;//...B. </CODE><LI><CODE>var $TRANSPARENT;//是否透明1或0 </CODE><LI><CODE>var $IMAGE;//图片对像 </CODE><LI><CODE>//------------------- </CODE><LI><CODE>var $ARRAYSPLIT;//指定用于分隔数值的符号 </CODE><LI><CODE>var $ITEMARRAY;//数值 </CODE><LI><CODE>var $REPORTTYPE;//图表类型,1为竖柱形2为横柱形3为折线形 </CODE><LI><CODE>var $BORDER;//距离 </CODE><LI><CODE>//------------------- </CODE><LI><CODE>var $FONTSIZE;//字体大小 </CODE><LI><CODE>var $FONTCOLOR;//字体颜色 </CODE><LI><CODE>//--------参数设置函数 </CODE><LI><CODE>function setImage($SizeX,$SizeY,$R,$G,$B,$Transparent){ </CODE><LI><CODE>$this->X=$SizeX;</CODE><LI><CODE>$this->Y=$SizeY;</CODE><LI><CODE>$this->R=$R;</CODE><LI><CODE>$this->G=$G;</CODE><LI><CODE>$this->B=$B;</CODE><LI><CODE>$this->TRANSPARENT=$Transparent;</CODE><LI><CODE>}</CODE><LI><CODE>function setItem($ArraySplit,$ItemArray,$ReportType,$Border){</CODE><LI><CODE>$this->ARRAYSPLIT=$ArraySplit;</CODE><LI><CODE>$this->ITEMARRAY=$ItemArray;</CODE><LI><CODE>$this->REPORTTYPE=$ReportType;</CODE><LI><CODE>$this->BORDER=$Border;</CODE><LI><CODE>}</CODE><LI><CODE>function setFont($FontSize){</CODE><LI><CODE>$this->FONTSIZE=$FontSize;</CODE><LI><CODE>}</CODE><LI><CODE>//----------------主体</CODE><LI><CODE>function PrintReport(){</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.Header">Header</A>( "Content-type: image/gif");</CODE><LI><CODE>//建立画布大小</CODE><LI><CODE>$this->IMAGE=<A href="http://www.php.net/manual/zh/function.ImageCreate">ImageCreate</A>($this->X,$this->Y);</CODE><LI><CODE>//设定画布背景色</CODE><LI><CODE>$background=<A href="http://www.php.net/manual/zh/function.ImageColorAllocate">ImageColorAllocate</A>($this->IMAGE,$this->R,$this->G,$this->B);</CODE><LI><CODE>if($this->TRANSPARENT=="1"){</CODE><LI><CODE>//背影透明</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.Imagecolortransparent">Imagecolortransparent</A>($this->IMAGE,$background);</CODE><LI><CODE>}else{</CODE><LI><CODE>//如不要透明时可填充背景色</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageFilledRectangle">ImageFilledRectangle</A>($this->IMAGE,0,0,$this->X,$this->Y,$background);</CODE><LI><CODE>}</CODE><LI><CODE>//参数字体文小及颜色</CODE><LI><CODE>$this->FONTCOLOR=<A href="http://www.php.net/manual/zh/function.ImageColorAllocate">ImageColorAllocate</A>($this->IMAGE,255-$this->R,255-$this->G,255-$this->B);</CODE><LI><CODE>Switch ($this->REPORTTYPE){</CODE><LI><CODE>case "0":</CODE><LI><CODE>break;</CODE><LI><CODE>case "1":</CODE><LI><CODE>$this->imageColumnS();</CODE><LI><CODE>break;</CODE><LI><CODE>case "2":</CODE><LI><CODE>$this->imageColumnH();</CODE><LI><CODE>break;</CODE><LI><CODE>case "3":</CODE><LI><CODE>$this-><A href="http://www.php.net/manual/zh/function.imageLine">imageLine</A>();</CODE><LI><CODE>break;</CODE><LI><CODE>}</CODE><LI><CODE>$this->printXY();</CODE><LI><CODE>$this->printAll();</CODE><LI><CODE>}</CODE><LI><CODE>//-----------打印XY坐标轴</CODE><LI><CODE>function printXY(){</CODE><LI><CODE>//画XY坐标轴*/</CODE><LI><CODE>$color=<A href="http://www.php.net/manual/zh/function.ImageColorAllocate">ImageColorAllocate</A>($this->IMAGE,255-$this->R,255-$this->G,255-$this->B);</CODE><LI><CODE>$xx=$this->X/10;</CODE><LI><CODE>$yy=$this->Y-$this->Y/10;</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageLine">ImageLine</A>($this->IMAGE,$this->BORDER,$this->BORDER,$this->BORDER,$this->Y-$this->BORDER,$color);//X轴</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageLine">ImageLine</A>($this->IMAGE,$this->BORDER,$this->Y-$this->BORDER,$this->X-$this->BORDER,$this->Y-$this->BORDER,$color);//y轴</CODE><LI><CODE>//Y轴上刻度</CODE><LI><CODE>$rulerY=$this->Y-$this->BORDER;</CODE><LI><CODE>while($rulerY>$this->BORDER*2){</CODE><LI><CODE>$rulerY=$rulerY-$this->BORDER;</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageLine">ImageLine</A>($this->IMAGE,$this->BORDER,$rulerY,$this->BORDER-2,$rulerY,$color);</CODE><LI><CODE>}</CODE><LI><CODE>//X轴上刻度</CODE><LI><CODE>$rulerX=$rulerX+$this->BORDER;</CODE><LI><CODE>while($rulerX<($this->X-$this->BORDER*2)){</CODE><LI><CODE>$rulerX=$rulerX+$this->BORDER;</CODE><LI><CODE>//ImageLine($this->IMAGE,$this->BORDER,10,$this->BORDER+10,10,$color);</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageLine">ImageLine</A>($this->IMAGE,$rulerX,$this->Y-$this->BORDER,$rulerX,$this->Y-$this->BORDER+2,$color);</CODE><LI><CODE>}</CODE><LI><CODE>}</CODE><LI><LI><CODE>//--------------竖柱形图</CODE><LI><CODE>function imageColumnS(){</CODE><LI><CODE>$item_array=<A href="http://www.php.net/manual/zh/function.Split">Split</A>($this->ARRAYSPLIT,$this->ITEMARRAY);</CODE><LI><CODE>$num=<A href="http://www.php.net/manual/zh/function.Count">Count</A>($item_array);</CODE><LI><CODE>$item_max=0;</CODE><LI><CODE>for ($i=0;$i<$num;$i++){ </CODE><LI><CODE>$item_max=<A href="http://www.php.net/manual/zh/function.Max">Max</A>($item_max,$item_array[$i]); </CODE><LI><CODE>} </CODE><LI><CODE>$xx=$this->BORDER*2;</CODE><LI><CODE>//画柱形图</CODE><LI><CODE>for ($i=0;$i<$num;$i++){ </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.srand">srand</A>((double)<A href="http://www.php.net/manual/zh/function.microtime">microtime</A>()*1000000); </CODE><LI><CODE>if($this->R!=255 && $this->G!=255 && $this->B!=255){</CODE><LI><CODE>$R=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->R,200);</CODE><LI><CODE>$G=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->G,200);</CODE><LI><CODE>$B=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->B,200);</CODE><LI><CODE>}else{</CODE><LI><CODE>$R=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200);</CODE><LI><CODE>$G=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200);</CODE><LI><CODE>$B=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200);</CODE><LI><CODE>}</CODE><LI><CODE>$color=<A href="http://www.php.net/manual/zh/function.ImageColorAllocate">ImageColorAllocate</A>($this->IMAGE,$R,$G,$B);</CODE><LI><CODE>//柱形高度</CODE><LI><CODE>$height=($this->Y-$this->BORDER)-($this->Y-$this->BORDER*2)*($item_array[$i]/$item_max);</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageFilledRectangle">ImageFilledRectangle</A>($this->IMAGE,$xx,$height,$xx+$this->BORDER,$this->Y-$this->BORDER,$color);</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageString">ImageString</A>($this->IMAGE,$this->FONTSIZE,$xx,$height-$this->BORDER,$item_array[$i],$this->FONTCOLOR);</CODE><LI><CODE>//用于间隔</CODE><LI><CODE>$xx=$xx+$this->BORDER*2;</CODE><LI><CODE>}</CODE><LI><CODE>}</CODE><LI><LI><CODE>//-----------横柱形图</CODE><LI><CODE>function imageColumnH(){</CODE><LI><CODE>$item_array=<A href="http://www.php.net/manual/zh/function.Split">Split</A>($this->ARRAYSPLIT,$this->ITEMARRAY);</CODE><LI><CODE>$num=<A href="http://www.php.net/manual/zh/function.Count">Count</A>($item_array);</CODE><LI><CODE>$item_max=0;</CODE><LI><CODE>for ($i=0;$i<$num;$i++){ </CODE><LI><CODE>$item_max=<A href="http://www.php.net/manual/zh/function.Max">Max</A>($item_max,$item_array[$i]); </CODE><LI><CODE>} </CODE><LI><CODE>$yy=$this->Y-$this->BORDER*2;</CODE><LI><CODE>//画柱形图</CODE><LI><CODE>for ($i=0;$i<$num;$i++){ </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.srand">srand</A>((double)<A href="http://www.php.net/manual/zh/function.microtime">microtime</A>()*1000000); </CODE><LI><CODE>if($this->R!=255 && $this->G!=255 && $this->B!=255){</CODE><LI><CODE>$R=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->R,200);</CODE><LI><CODE>$G=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->G,200);</CODE><LI><CODE>$B=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->B,200);</CODE><LI><CODE>}else{</CODE><LI><CODE>$R=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200);</CODE><LI><CODE>$G=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200);</CODE><LI><CODE>$B=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200);</CODE><LI><CODE>}</CODE><LI><CODE>$color=<A href="http://www.php.net/manual/zh/function.ImageColorAllocate">ImageColorAllocate</A>($this->IMAGE,$R,$G,$B);</CODE><LI><CODE>//柱形长度</CODE><LI><CODE>$leight=($this->X-$this->BORDER*2)*($item_array[$i]/$item_max);</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageFilledRectangle">ImageFilledRectangle</A>($this->IMAGE,$this->BORDER,$yy-$this->BORDER,$leight,$yy,$color);</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageString">ImageString</A>($this->IMAGE,$this->FONTSIZE,$leight+2,$yy-$this->BORDER,$item_array[$i],$this->FONTCOLOR);</CODE><LI><CODE>//用于间隔</CODE><LI><CODE>$yy=$yy-$this->BORDER*2;</CODE><LI><CODE>}</CODE><LI><CODE>}</CODE><LI><LI><CODE>//--------------折线图</CODE><LI><CODE>function <A href="http://www.php.net/manual/zh/function.imageLine">imageLine</A>(){</CODE><LI><CODE>$item_array=<A href="http://www.php.net/manual/zh/function.Split">Split</A>($this->ARRAYSPLIT,$this->ITEMARRAY);</CODE><LI><CODE>$num=<A href="http://www.php.net/manual/zh/function.Count">Count</A>($item_array);</CODE><LI><CODE>$item_max=0;</CODE><LI><CODE>for ($i=0;$i<$num;$i++){ </CODE><LI><CODE>$item_max=<A href="http://www.php.net/manual/zh/function.Max">Max</A>($item_max,$item_array[$i]); </CODE><LI><CODE>} </CODE><LI><CODE>//$xx=$this->BORDER;</CODE><LI><CODE>//画柱形图</CODE><LI><CODE>for ($i=0;$i<$num;$i++){ </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.srand">srand</A>((double)<A href="http://www.php.net/manual/zh/function.microtime">microtime</A>()*1000000); </CODE><LI><CODE>if($this->R!=255 && $this->G!=255 && $this->B!=255){</CODE><LI><CODE>$R=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->R,200);</CODE><LI><CODE>$G=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->G,200);</CODE><LI><CODE>$B=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->B,200);</CODE><LI><CODE>}else{</CODE><LI><CODE>$R=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200);</CODE><LI><CODE>$G=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200);</CODE><LI><CODE>$B=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200);</CODE><LI><CODE>}</CODE><LI><CODE>$color=<A href="http://www.php.net/manual/zh/function.ImageColorAllocate">ImageColorAllocate</A>($this->IMAGE,$R,$G,$B);</CODE><LI><CODE>//柱形高度</CODE><LI><CODE>$height_now=($this->Y-$this->BORDER)-($this->Y-$this->BORDER*2)*($item_array[$i]/$item_max);</CODE><LI><CODE>if($i!="0"){</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageLine">ImageLine</A>($this->IMAGE,$xx,$height_next,$xx+$this->BORDER,$height_now,$color);</CODE><LI><CODE>}</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageString">ImageString</A>($this->IMAGE,$this->FONTSIZE,$xx+$this->BORDER,$height_now-$this->BORDER/2,$item_array[$i],$this->FONTCOLOR);</CODE><LI><CODE>$height_next=$height_now;</CODE><LI><CODE>//用于间隔</CODE><LI><CODE>$xx=$xx+$this->BORDER;</CODE><LI><CODE>}</CODE><LI><CODE>}</CODE><LI><LI><CODE>//--------------完成打印图形http://knowsky.com</CODE><LI><CODE>function printAll(){</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageGIF">ImageGIF</A>($this->IMAGE);</CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageDestroy">ImageDestroy</A>($this->IMAGE);</CODE><LI><CODE>}</CODE><LI><CODE>//--------------调试</CODE><LI><CODE>function debug(){</CODE><LI><CODE>echo "X:".$this->X."</CODE><LI><CODE>Y:".$this->Y;</CODE><LI><CODE>echo "</CODE><LI><CODE>BORDER:".$this->BORDER;</CODE><LI><CODE>$item_array=<A href="http://www.php.net/manual/zh/function.split">split</A>($this->ARRAYSPLIT,$this->ITEMARRAY);</CODE><LI><CODE>$num=<A href="http://www.php.net/manual/zh/function.Count">Count</A>($item_array);</CODE><LI><CODE>echo "</CODE><LI><CODE>数值个数:".$num."</CODE><LI><CODE>数值:";</CODE><LI><CODE>for ($i=0;$i<$num;$i++){ </CODE><LI><CODE>echo "</CODE><LI><CODE>".$item_array[$i];</CODE><LI><CODE>}</CODE><LI><CODE>}</CODE><LI><CODE>}</CODE><LI><LI><CODE>$report=new ImageReport;</CODE><LI><CODE>$report->setImage(600,300,255,255,255,1);//参数(长,宽,背影色R,G,B,是否透明1或0)</CODE><LI><CODE>$temparray="50,25,100,250,180,200,150,220,200,150,50,25,100,250,180,200,150,220,200,150";//数值,用指定符号隔开</CODE><LI><CODE>$report->setItem(',',$temparray,3,20);//参数(分隔数值的指定符号,数值变量,样式1为竖柱图2为横柱图3为折线图,距离)</CODE><LI><CODE>$report->setFont(1);//字体大小1-10</CODE><LI><CODE>$report->PrintReport();</CODE><LI><CODE>//$report->debug();//调式之用</CODE><LI><CODE>?></CODE></LI></OL>

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用gd图库生成横竖柱状图折线图的类