<?php/** * 文件：cal_image.class.php * 功能：产生柱状、折线图、横柱图类 * 作者：yemaosheng.com */
Class ImageReport{ /* 图片数属性 */ var $X; //图片大小X轴 var $Y; //图片大小Y轴 var $R; //背影色R值 var $G; //背影色G值 var $B; //背影色B值 var $TRANSPARENT; //是否透明1或0 var $IMAGE; //图片对像 /* 附加属性 */ var $ARRAYSPLIT; //指定用于分隔数值的符号 var $ITEMARRAY; //数值 var $REPORTTYPE; //图表类型,1为竖柱形2为横柱形3为折线形 var $BORDER; //距离 /* 字体属性*/ var $FONTSIZE; //字体大小 var $FONTCOLOR; //字体颜色 /* 设置图片 */ function setImage($SizeX,$SizeY,$R,$G,$B,$Transparent) { $this->X=$SizeX; $this->Y=$SizeY; $this->R=$R; $this->G=$G; $this->B=$B; $this->TRANSPARENT=$Transparent; }
/* 设置获取数字 */ function setItem($ArraySplit,$ItemArray,$ReportType,$Border) { $this->ARRAYSPLIT=$ArraySplit; $this->ITEMARRAY=$ItemArray; $this->REPORTTYPE=$ReportType; $this->BORDER=$Border; } /* 设置字体 */ function setFont($FontSize) { $this->FONTSIZE=$FontSize; }
/* 主体 */ function PrintReport() { Header( "Content-type: image/gif"); //建立画布大小 $this->IMAGE=ImageCreate($this->X,$this->Y); //设定画布背景色 $background=ImageColorAllocate($this->IMAGE,$this->R,$this->G,$this->B); if($this->TRANSPARENT=="1") { //背影透明 Imagecolortransparent($this->IMAGE,$background); } else { //如不要透明时可填充背景色 ImageFilledRectangle($this->IMAGE,0,0,$this->X,$this->Y,$background); } //参数字体文小及颜色 $this->FONTCOLOR=ImageColorAllocate($this->IMAGE,255-$this->R,255-$this->G,255-$this->B); Switch ($this->REPORTTYPE) { case "0": break; case "1": $this->imageColumnS(); break; case "2": $this->imageColumnH(); break; case "3": $this->imageLine(); break; } $this->printXY(); $this->printAll(); }
/* 打印XY坐标轴 */ function printXY() { //画XY坐标轴*/ $color=ImageColorAllocate($this->IMAGE,255-$this->R,255-$this->G,255-$this->B); $xx=$this->X/10; $yy=$this->Y-$this->Y/10; ImageLine($this->IMAGE,$this->BORDER,$this->BORDER,$this->BORDER,$this->Y-$this->BORDER,$color);//X轴 ImageLine($this->IMAGE,$this->BORDER,$this->Y-$this->BORDER,$this->X-$this->BORDER,$this->Y-$this->BORDER,$color);//y轴 //Y轴上刻度 $rulerY=$this->Y-$this->BORDER; while($rulerY>$this->BORDER*2) { $rulerY=$rulerY-$this->BORDER; ImageLine($this->IMAGE,$this->BORDER,$rulerY,$this->BORDER-2,$rulerY,$color); } //X轴上刻度 $rulerX=$rulerX+$this->BORDER; while($rulerX<($this->X-$this->BORDER*2)) { $rulerX=$rulerX+$this->BORDER; //ImageLine($this->IMAGE,$this->BORDER,10,$this->BORDER+10,10,$color); ImageLine($this->IMAGE,$rulerX,$this->Y-$this->BORDER,$rulerX,$this->Y-$this->BORDER+2,$color); } }
/* 竖柱形图 */ function imageColumnS() { $item_array=Split($this->ARRAYSPLIT,$this->ITEMARRAY); $num=Count($item_array); $item_max=0; for ($i=0;$i<$num;$i++) { $item_max=Max($item_max,$item_array[$i]); } $xx=$this->BORDER*2; //画柱形图 for ($i=0;$i<$num;$i++){ srand((double)microtime()*1000000); if($this->R!=255 && $this->G!=255 && $this->B!=255) { $R=Rand($this->R,200); $G=Rand($this->G,200); $B=Rand($this->B,200); } else { $R=Rand(50,200); $G=Rand(50,200); $B=Rand(50,200); } $color=ImageColorAllocate($this->IMAGE,$R,$G,$B); //柱形高度 $height=($this->Y-$this->BORDER)-($this->Y-$this->BORDER*2)*($item_array[$i]/$item_max); ImageFilledRectangle($this->IMAGE,$xx,$height,$xx+$this->BORDER,$this->Y-$this->BORDER,$color); ImageString($this->IMAGE,$this->FONTSIZE,$xx,$height-$this->BORDER,$item_array[$i],$this->FONTCOLOR); //用于间隔 $xx=$xx+$this->BORDER*2; } }
/* 横柱形图 */ function imageColumnH() { $item_array=Split($this->ARRAYSPLIT,$this->ITEMARRAY); $num=Count($item_array); $item_max=0; for ($i=0;$i<$num;$i++) { $item_max=Max($item_max,$item_array[$i]); } $yy=$this->Y-$this->BORDER*2; //画柱形图 for ($i=0;$i<$num;$i++) { srand((double)microtime()*1000000); if($this->R!=255 && $this->G!=255 && $this->B!=255) { $R=Rand($this->R,200); $G=Rand($this->G,200); $B=Rand($this->B,200); } else { $R=Rand(50,200); $G=Rand(50,200); $B=Rand(50,200); } $color=ImageColorAllocate($this->IMAGE,$R,$G,$B); //柱形长度 $leight=($this->X-$this->BORDER*2)*($item_array[$i]/$item_max); ImageFilledRectangle($this->IMAGE,$this->BORDER,$yy-$this->BORDER,$leight,$yy,$color); ImageString($this->IMAGE,$this->FONTSIZE,$leight+2,$yy-$this->BORDER,$item_array[$i],$this->FONTCOLOR); //用于间隔 $yy=$yy-$this->BORDER*2; } }
/* 折线图 */ function imageLine() { $item_array=Split($this->ARRAYSPLIT,$this->ITEMARRAY); $num=Count($item_array); $item_max=0; for ($i=0;$i<$num;$i++) { $item_max=Max($item_max,$item_array[$i]); } //$xx=$this->BORDER; //画柱形图 for ($i=0;$i<$num;$i++) { srand((double)microtime()*1000000); if($this->R!=255 && $this->G!=255 && $this->B!=255) { $R=Rand($this->R,200); $G=Rand($this->G,200); $B=Rand($this->B,200); } else { $R=Rand(50,200); $G=Rand(50,200); $B=Rand(50,200); } $color=ImageColorAllocate($this->IMAGE,$R,$G,$B); //柱形高度 $height_now=($this->Y-$this->BORDER)-($this->Y-$this->BORDER*2)*($item_array[$i]/$item_max); if($i!="0") { ImageLine($this->IMAGE,$xx,$height_next,$xx+$this->BORDER,$height_now,$color); } ImageString($this->IMAGE,$this->FONTSIZE,$xx+$this->BORDER,$height_now-$this->BORDER/2,$item_array[$i],$this->FONTCOLOR); $height_next=$height_now; //用于间隔 $xx=$xx+$this->BORDER; } }
/* 完成打印图形 */ function printAll() { ImageGIF($this->IMAGE); ImageDestroy($this->IMAGE); }
/* 调试函数 */ function debug() { echo "X:".$this->X."<br>Y:".$this->Y; echo "<br>BORDER:".$this->BORDER; $item_array=split($this->ARRAYSPLIT,$this->ITEMARRAY); $num=Count($item_array); echo "<br>数值个数:".$num."<br>数值:"; for ($i=0;$i<$num;$i++) { echo "<br>".$item_array[$i]; } } } ?>
/* 使用实例代码 */
<? //实例化对象 $report = new ImageReport();
//参数(长,宽,背影色R,G,B,是否透明1或0) $report->setImage(2000, 300, 255, 255, 255, 1);
//数值,用指定符号隔开 $temparray="50,25,100,250,180,200,2150,220,200,150,50,25,100,250,180,200,150,220,200,150";
//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) $report->setItem(',',$temparray,3,20);
//字体大小1-10 $report->setFont(1);
//输出图片 $report->PrintReport();
//调式// $report->debug();?>
