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class Bar { var $fileName;//数据文件 var $fontSize;//字体大小 var $imageBorderSpace;//图像边距 var $barFaceW;//柱条正面宽度 var $barSideW;//柱条侧面宽度 var $bgFaceColor;//背景正面颜色 var $bgSideColor;//背景侧面颜色 var $bgFloodColor;//背景底面颜色 var $barFaceColor;//柱条正面颜色 var $barSideColor;//柱条侧面颜色 var $barTopColor;//柱条顶面颜色 var $labelFontColor; //X,Y轴标签字体颜色 var $barFontColor;//柱条上标注字体颜色 var $imageColor;//图像背景颜色 var $borderColor;//边线,刻度线颜色 var $image;//image handle var $barFontPos;//柱条上文字位置(top:顶端;middle:中部;bottom:底部) var $barFontWay;//柱条上文字方向(up:竖写;down:横写) var $xPointCount;//X轴坐标数目 var $xLabelArray;//X轴标签 var $dataArray;//柱条上文字 var $angle;//X,Y轴夹角 var $lineCount;//刻度线数量 var $lineH;//刻度线间距 var $imageType;//输出图片格式:gif,jpeg,png
//------------------------------------- //构造函数 //------------------------------------- function Bar() { $this->fileName = "3dbar.dat"; $this->fontSize = 5; $this->imageBorderSpace = 5; $this->barFaceW = 10; $this->barSideW = 10; $this->bgFaceColor = "#9999FF"; $this->bgSideColor = "#ACACFF"; $this->bgFloodColor = "#ECECFF"; $this->barFaceColor = "#FFCCCC"; $this->barSideColor = "#FF9999"; $this->barTopColor = "#FFE8E8"; $this->labelFontColor = "#330099"; $this->barFontColor = "#000000"; $this->imageColor = "#FFFFFF"; $this->borderColor = "#CCCCFF"; $this->barFontPos = "top"; $this->barFontWay = "down"; $this->angle = 45; $this->lineCount = 10; $this->lineH = 20; $this->imageType = "png"; }
//------------------------------------- //设定数据文件名 //------------------------------------- function setFileName($name) { $this->fileName = $name; }
//------------------------------------- //设定字体大小 //------------------------------------- function setFontSize($size) { $this->fontSize = $size; }
//------------------------------------- //设定图像边距 //------------------------------------- function setImageBorderSpace($space) { $this->imageBorderSpace = $space; }
//------------------------------------- //设定柱条正面宽度 //------------------------------------- function setBarFaceW($width) { $this->barFaceW = $width; }
//------------------------------------- //设定柱条侧面宽度 //------------------------------------- function setBarSideW($width) { $this->barSideW = $width; }
//------------------------------------- //取得原始数据 //------------------------------------- function setDataArray() { $file = file($this->fileName); $this->xPointCount = count($file);
for($i = 0; $i < $this->xPointCount; $i++) { $line = explode("||",$file[$i]); $this->xLabelArray[$i] = $line[0]; $this->dataArray[$i] = (int)$line[1]; } }
//------------------------------------- //取得原始数据中最大数据 //------------------------------------- function getMaxData() { $maxValue = (int)$this->dataArray[0]; for($i = 1; $i < count($this->dataArray); $i++) { if($maxValue < (int)$this->dataArray[$i]) { $maxValue = (int)$this->dataArray[$i]; } }
return $maxValue; }
//------------------------------------- //将16进制颜色值转换成RGB,返回imageColorAllocate值 //------------------------------------- function getImageColorAllocate($colorStr) { $firstChar = subStr($colorStr,0,1);
if($firstChar == "#" { $startPos = 1; } else { $startPos = 0; }
$R = HexDec(subStr($colorStr,$startPos,2)); $G = HexDec(subStr($colorStr,$startPos+2,2)); $B = HexDec(subStr($colorStr,$startPos+4,2));
return imageColorAllocate($this->image,$R,$G,$B); }
//------------------------------------- //设定正面背景颜色 //------------------------------------- function setBgFaceColor($colorStr) { $this->bgFaceColor = $colorStr; }
//------------------------------------- //取得正面背景颜色 //------------------------------------- function getBgFaceColor() { return $this->getImageColorAllocate($this->bgFaceColor); }
//------------------------------------- //设定侧面背景颜色 //------------------------------------- function setBgSideColor($colorStr) { $this->bgSideColor = $colorStr; }
//------------------------------------- //取得侧面背景颜色 //------------------------------------- function getBgSideColor() { return $this->getImageColorAllocate($this->bgSideColor); }
//------------------------------------- //设定底面背景颜色 //------------------------------------- function setBgFloodColor($colorStr) { $this->bgFloodColor = $colorStr; }
//------------------------------------- //取得底面背景颜色 //------------------------------------- function getBgFloodColor() { return $this->getImageColorAllocate($this->bgFloodColor); }
//------------------------------------- //设定柱条正面颜色 //------------------------------------- function setBarFaceColor($colorStr) { $this->barFaceColor = $colorStr; }
//------------------------------------- //取得柱条正面颜色 //------------------------------------- function getBarFaceColor() { return $this->getImageColorAllocate($this->barFaceColor); }
//------------------------------------- //设定柱条侧面颜色 //------------------------------------- function setBarSideColor($colorStr) { $this->barSideColor = $colorStr; }
//------------------------------------- //取得柱条侧面颜色 //------------------------------------- function getBarSideColor() { return $this->getImageColorAllocate($this->barSideColor); }
//------------------------------------- //设定柱条顶面颜色 //------------------------------------- function setBarTopColor($colorStr) { $this->barTopColor = $colorStr; }
//------------------------------------- //取得柱条顶面颜色 //------------------------------------- function getBarTopColor() { return $this->getImageColorAllocate($this->barTopColor); }
//------------------------------------- //设定X,Y轴标签字体颜色 //------------------------------------- function setLabelFontColor($colorStr) { $this->labelFontColor = $colorStr; }
//------------------------------------- //取得X,Y轴标签字体颜色 //------------------------------------- function getLabelFontColor() { return $this->getImageColorAllocate($this->labelFontColor); }
//------------------------------------- //设定柱条字体颜色 //------------------------------------- function setBarFontColor($colorStr) { $this->barFontColor = $colorStr; }
//------------------------------------- //取得柱条字体颜色 //------------------------------------- function getBarFontColor() { return $this->getImageColorAllocate($this->barFontColor); }
//------------------------------------- //设定图像背景颜色 //------------------------------------- function setImageColor($colorStr) { $this->imageColor = $colorStr; }
//------------------------------------- //取得图像背景颜色 //------------------------------------- function getImageColor() { return $this->getImageColorAllocate($this->imageColor); }
//------------------------------------- //设定刻度线颜色 //------------------------------------- function setBorderColor($colorStr) { $this->borderColor = $colorStr; }
//------------------------------------- //取得刻度线颜色 //------------------------------------- function getBorderColor() { return $this->getImageColorAllocate($this->borderColor); }
//------------------------------------- //设定X,Y夹角 //------------------------------------- function setAngle($angle) { $this->angle = $angle; }
//------------------------------------- //设定刻度线数量 //------------------------------------- function setLineCount($num) { $this->lineCount = $num; }
//------------------------------------- //设定刻度线间距 //------------------------------------- function setLineH($height) { $this->lineH = $height; }
//------------------------------------- //设定输出图片格式 //------------------------------------- function setImageType($ext) { $this->imageType = $ext; }
//------------------------------------- //角度转换成弧度 //------------------------------------- function deg2rad($angle) { return $angle * (pi() / 180); }
//------------------------------------- //画图形 //------------------------------------- function draw() { $this->setDataArray();
//计算Y轴标签宽度 $fontW = imageFontWidth($this->fontSize); $labelMaxW = strLen($this->getMaxData()) * $fontW;
//间距 $space = $this->imageBorderSpace;
//图布 $bgSideW = ($this->barSideW + $space) * cos($this->deg2rad($this->angle)); $bgFaceW = $this->barFaceW + $this->barFaceW * 3 * $this->xPointCount + $this->barFaceW; $imageW = $space + $labelMaxW + $space + $bgSideW + $bgFaceW + $space; $bgFaceH = $space + $this->lineH * $this->lineCount; $bgFloodH = ($this->barSideW + $space) * sin($this->deg2rad($this->angle)); $imageH = $space + $bgFaceH + $bgFloodH + $space + imageFontHeight($this->fontSize) + $space; $this->image = imageCreate($imageW,$imageH); imageFill($this->image,0,0,$this->getImageColor());
//背景正面 $pointArray1[0] = $space + $labelMaxW + $space + $bgSideW; $pointArray1[1] = $space; $pointArray1[2] = $pointArray1[0]; $pointArray1[3] = $pointArray1[1] + $bgFaceH; $pointArray1[4] = $pointArray1[2] + $bgFaceW; $pointArray1[5] = $pointArray1[3]; $pointArray1[6] = $pointArray1[4]; $pointArray1[7] = $pointArray1[1]; imageFilledPolygon($this->image,$pointArray1,4,$this->getBgFaceColor());
//背景侧面 $pointArray2[0] = $pointArray1[0]; $pointArray2[1] = $pointArray1[1]; $pointArray2[2] = $pointArray2[0] - $bgSideW; $pointArray2[3] = $pointArray2[1] + tan($this->deg2rad($this->angle)) * $bgSideW; $pointArray2[4] = $pointArray2[2]; $pointArray2[5] = $pointArray2[3] + $bgFaceH; $pointArray2[6] = $pointArray2[0]; $pointArray2[7] = $pointArray2[1] + $bgFaceH; imageFilledPolygon($this->image,$pointArray2,4,$this->getBgSideColor());
//背景底面 $pointArray3[0] = $pointArray2[6]; $pointArray3[1] = $pointArray2[7]; $pointArray3[2] = $pointArray3[0] - $bgSideW; $pointArray3[3] = $pointArray3[1] + $bgFloodH; $pointArray3[4] = $pointArray3[2] + $bgFaceW; $pointArray3[5] = $pointArray3[3]; $pointArray3[6] = $pointArray3[0] + $bgFaceW; $pointArray3[7] = $pointArray3[1]; imageFilledPolygon($this->image,$pointArray3,4,$this->getBgFloodColor());
//刻度线,一共 lineCount-1 条 for($i = 1; $i < $this->lineCount; $i++) { imageLine($this->image,$pointArray1[0],$space * 2 + $this->lineH * $i,$pointArray1[6],$space * 2 + $this->lineH * $i,$this->getBorderColor()); }
//Y轴标签 $stepValue = round($this->getMaxData() / $this->lineCount);
for($i = 0; $i < $this->lineCount; $i++) { $labelValue = $i * $stepValue; imageString($this->image,$this->fontSize,$space,$pointArray3[1] - $i * $this->lineH - imageFontHeight($this->fontSize) / 2,$labelValue,$this->getLabelFontColor()); }
//X轴标签 for($i = 0; $i < $this->xPointCount; $i++) { imageString($this->image,$this->fontSize,$pointArray3[0] + $this->barFaceW + $space + $this->barFaceW * 3 * $i,$pointArray3[3] + $space,$i+1,$this->getLabelFontColor()); }
//画柱条 for($i = 0; $i < $this->xPointCount; $i++) { if($this->dataArray[$i] != 0) { $barH = $this->dataArray[$i] * ($this->lineH / $stepValue);
//正面 $pointArray4[0] = $pointArray3[0] + $this->barFaceW * 2 + $this->barFaceW * 3 * $i - $this->barSideW * cos($this->deg2rad($this->angle)); $pointArray4[1] = $pointArray3[1] + $this->barSideW * sin($this->deg2rad($this->angle)); $pointArray4[2] = $pointArray4[0] + $this->barFaceW; $pointArray4[3] = $pointArray4[1]; $pointArray4[4] = $pointArray4[2]; $pointArray4[5] = $pointArray4[3] - $barH; $pointArray4[6] = $pointArray4[0]; $pointArray4[7] = $pointArray4[5]; imageFilledPolygon($this->image,$pointArray4,4,$this->getBarFaceColor());
//侧面 $pointArray5[0] = $pointArray4[2]; $pointArray5[1] = $pointArray4[3]; $pointArray5[2] = $pointArray3[0] + $this->barFaceW * 3 * ($i + 1); $pointArray5[3] = $pointArray3[1]; $pointArray5[4] = $pointArray5[2]; $pointArray5[5] = $pointArray5[3] - $barH; $pointArray5[6] = $pointArray5[0]; $pointArray5[7] = $pointArray5[1] - $barH; imageFilledPolygon($this->image,$pointArray5,4,$this->getBarSideColor());
//顶面 $pointArray6[0] = $pointArray4[0]; $pointArray6[1] = $pointArray5[7]; $pointArray6[2] = $pointArray4[2]; $pointArray6[3] = $pointArray6[1]; $pointArray6[4] = $pointArray5[2]; $pointArray6[5] = $pointArray5[5]; $pointArray6[6] = $pointArray6[4] - $this->barFaceW; $pointArray6[7] = $pointArray6[5]; imageFilledPolygon($this->image,$pointArray6,4,$this->getBarTopColor());
//条柱标注文字 if($this->barFontPos == "top" { $barFontY = $pointArray6[1] - imageFontHeight($this->fontSize); } else if($this->barFontPos == "middle" { $barFontY = $pointArray6[1] + $barH / 2 - imageFontHeight($this->fontSize); } else if($this->barFontPos == "bottom" { $barFontY = $pointArray4[1]; }
if($this->barFontWay == "down" { imageString($this->image,$this->fontSize,$pointArray4[0],$barFontY,$this->dataArray[$i],$this->getBarFontColor()); } else if($this->barFontWay == "up" { imageStringUp($this->image,$this->fontSize,$pointArray4[0],$barFontY,$this->dataArray[$i],$this->getBarFontColor()); } } }
//输出图片 if($this->imageType == "gif" { //Header("Content-type: image/gif" ; imageGif($this->image); } else if($this->imageType == "jpeg" { //Header("Content-type: image/jpeg" ; imageJpeg($this->image); } else if($this->imageType == "png" { //Header("Content-type: image/gif" ; imagePng($this->image,$this->fileName.".png" ; }
imageDestroy($this->image); } } ?>
| henry 回复于:2001-11-24 21:46:48
| 怎么不给出一个例子?这样大家才能看清楚嘛。
| | ihweb 回复于:2002-10-12 17:20:02
| [quote][b]下面引用由[u]henry[/u]在 [i]2001/11/24 09:46pm[/i] 发表的内容:[/b] 怎么不给出一个例子?这样大家才能看清楚嘛。 [/quote] TT
| | 3rd 回复于:2002-10-23 14:45:00
| JPgraph不知道出到什么版本了,用来做图很好用,看看吧。
| | wsjakey 回复于:2003-11-20 14:02:16
| <?php
class Bar
{
var $fileName;//数据文件
var $fontSize;//字体大小
var $imageBorderSpace;//图像边距
var $barFaceW;//柱条正面宽度
var $barSideW;//柱条侧面宽度
var $bgFaceColor;//背景正面颜色
var $bgSideColor;//背景侧面颜色
var $bgFloodColor;//背景底面颜色
var $barFaceColor;//柱条正面颜色
var $barSideColor;//柱条侧面颜色
var $barTopColor;//柱条顶面颜色
var $labelFontColor; //X,Y轴标签字体颜色
var $barFontColor;//柱条上标注字体颜色
var $imageColor;//图像背景颜色
var $borderColor;//边线,刻度线颜色
var $image;//image handle
var $barFontPos;//柱条上文字位置(top:顶端;middle:中部;bottom:底部)
var $barFontWay;//柱条上文字方向(up:竖写;down:横写)
var $xPointCount;//X轴坐标数目
var $xLabelArray;//X轴标签
var $dataArray;//柱条上文字
var $angle;//X,Y轴夹角
var $lineCount;//刻度线数量
var $lineH;//刻度线间距
var $imageType;//输出图片格式:gif,jpeg,png
//-------------------------------------
//构造函数
//-------------------------------------
function Bar()
{
$this->fileName = "3dbar.dat";
$this->fontSize = 5;
$this->imageBorderSpace = 5;
$this->barFaceW = 10;
$this->barSideW = 10;
$this->bgFaceColor = "#9999FF";
$this->bgSideColor = "#ACACFF";
$this->bgFloodColor = "#ECECFF";
$this->barFaceColor = "#FFCCCC";
$this->barSideColor = "#FF9999";
$this->barTopColor = "#FFE8E8";
$this->labelFontColor = "#330099";
$this->barFontColor = "#000000";
$this->imageColor = "#FFFFFF";
$this->borderColor = "#CCCCFF";
$this->barFontPos = "top";
$this->barFontWay = "down";
$this->angle = 45;
$this->lineCount = 10;
$this->lineH = 20;
$this->imageType = "png";
}
//-------------------------------------
//设定数据文件名
//-------------------------------------
function setFileName($name)
{
$this->fileName = $name;
}
//-------------------------------------
//设定字体大小
//-------------------------------------
function setFontSize($size)
{
$this->fontSize = $size;
}
//-------------------------------------
//设定图像边距
//-------------------------------------
function setImageBorderSpace($space)
{
$this->imageBorderSpace = $space;
}
//-------------------------------------
//设定柱条正面宽度
//-------------------------------------
function setBarFaceW($width)
{
$this->barFaceW = $width;
}
//-------------------------------------
//设定柱条侧面宽度
//-------------------------------------
function setBarSideW($width)
{
$this->barSideW = $width;
}
//-------------------------------------
//取得原始数据
//-------------------------------------
function setDataArray($xLabelArray, $dataArray, $xPointCount)
{
/*
$file = file($this->fileName);
$this->xPointCount = count($file);
for($i = 0; $i < $this->xPointCount; $i++)
{
$line = explode("||",$file[$i]);
$this->xLabelArray[$i] = $line[0];
$this->dataArray[$i] = (int)$line[1];
}
*/
//add by wsjakey 11-20
$this->xLabelArray = $xLabelArray;
$this->dataArray = $dataArray;
$this->xPointCount = $xPointCount;]
//end by wsjakey 11-20
}
//-------------------------------------
//取得原始数据中最大数据
//-------------------------------------
function getMaxData()
{
$maxValue = (int)$this->dataArray[0];
for($i = 1; $i < count($this->dataArray); $i++)
{
if($maxValue < (int)$this->dataArray[$i])
{
$maxValue = (int)$this->dataArray[$i];
}
}
return $maxValue;
}
//-------------------------------------
//将16进制颜色值转换成RGB,返回imageColorAllocate值
//-------------------------------------
function getImageColorAllocate($colorStr)
{
$firstChar = subStr($colorStr,0,1);
if($firstChar == "#")
{
$startPos = 1;
}
else
{
$startPos = 0;
}
$R = HexDec(subStr($colorStr,$startPos,2));
$G = HexDec(subStr($colorStr,$startPos+2,2));
$B = HexDec(subStr($colorStr,$startPos+4,2));
return imageColorAllocate($this->image,$R,$G,$B);
}
//-------------------------------------
//设定正面背景颜色
//-------------------------------------
function setBgFaceColor($colorStr)
{
$this->bgFaceColor = $colorStr;
}
//-------------------------------------
//取得正面背景颜色
//-------------------------------------
function getBgFaceColor()
{
return $this->getImageColorAllocate($this->bgFaceColor);
}
//-------------------------------------
//设定侧面背景颜色
//-------------------------------------
function setBgSideColor($colorStr)
{
$this->bgSideColor = $colorStr;
}
//-------------------------------------
//取得侧面背景颜色
//-------------------------------------
function getBgSideColor()
{
return $this->getImageColorAllocate($this->bgSideColor);
}
//-------------------------------------
//设定底面背景颜色
//-------------------------------------
function setBgFloodColor($colorStr)
{
$this->bgFloodColor = $colorStr;
}
//-------------------------------------
//取得底面背景颜色
//-------------------------------------
function getBgFloodColor()
{
return $this->getImageColorAllocate($this->bgFloodColor);
}
//-------------------------------------
//设定柱条正面颜色
//-------------------------------------
function setBarFaceColor($colorStr)
{
$this->barFaceColor = $colorStr;
}
//-------------------------------------
//取得柱条正面颜色
//-------------------------------------
function getBarFaceColor()
{
return $this->getImageColorAllocate($this->barFaceColor);
}
//-------------------------------------
//设定柱条侧面颜色
//-------------------------------------
function setBarSideColor($colorStr)
{
$this->barSideColor = $colorStr;
}
//-------------------------------------
//取得柱条侧面颜色
//-------------------------------------
function getBarSideColor()
{
return $this->getImageColorAllocate($this->barSideColor);
}
//-------------------------------------
//设定柱条顶面颜色
//-------------------------------------
function setBarTopColor($colorStr)
{
$this->barTopColor = $colorStr;
}
//-------------------------------------
//取得柱条顶面颜色
//-------------------------------------
function getBarTopColor()
{
return $this->getImageColorAllocate($this->barTopColor);
}
//-------------------------------------
//设定X,Y轴标签字体颜色
//-------------------------------------
function setLabelFontColor($colorStr)
{
$this->labelFontColor = $colorStr;
}
//-------------------------------------
//取得X,Y轴标签字体颜色
//-------------------------------------
function getLabelFontColor()
{
return $this->getImageColorAllocate($this->labelFontColor);
}
//-------------------------------------
//设定柱条字体颜色
//-------------------------------------
function setBarFontColor($colorStr)
{
$this->barFontColor = $colorStr;
}
//-------------------------------------
//取得柱条字体颜色
//-------------------------------------
function getBarFontColor()
{
return $this->getImageColorAllocate($this->barFontColor);
}
//-------------------------------------
//设定图像背景颜色
//-------------------------------------
function setImageColor($colorStr)
{
$this->imageColor = $colorStr;
}
//-------------------------------------
//取得图像背景颜色
//-------------------------------------
function getImageColor()
{
return $this->getImageColorAllocate($this->imageColor);
}
//-------------------------------------
//设定刻度线颜色
//-------------------------------------
function setBorderColor($colorStr)
{
$this->borderColor = $colorStr;
}
//-------------------------------------
//取得刻度线颜色
//-------------------------------------
function getBorderColor()
{
return $this->getImageColorAllocate($this->borderColor);
}
//-------------------------------------
//设定X,Y夹角
//-------------------------------------
function setAngle($angle)
{
$this->angle = $angle;
}
//-------------------------------------
//设定刻度线数量
//-------------------------------------
function setLineCount($num)
{
$this->lineCount = $num;
}
//-------------------------------------
//设定刻度线间距
//-------------------------------------
function setLineH($height)
{
$this->lineH = $height;
}
//-------------------------------------
//设定输出图片格式
//-------------------------------------
function setImageType($ext)
{
$this->imageType = $ext;
}
//-------------------------------------
//角度转换成弧度
//-------------------------------------
function deg2rad($angle)
{
return $angle * (pi() / 180);
}
//-------------------------------------
//画图形
//-------------------------------------
function draw()
{
//edit by wsjakey 11-20
//$this->setDataArray();
//end edit by wsjakey 11-20
//计算Y轴标签宽度
$fontW = imageFontWidth($this->fontSize);
$labelMaxW = strLen($this->getMaxData()) * $fontW;
//间距
$space = $this->imageBorderSpace;
//图布
$bgSideW = ($this->barSideW + $space) * cos($this->deg2rad($this->angle));
$bgFaceW = $this->barFaceW + $this->barFaceW * 3 * $this->xPointCount + $this->barFaceW;
$imageW = $space + $labelMaxW + $space + $bgSideW + $bgFaceW + $space;
$bgFaceH = $space + $this->lineH * $this->lineCount;
$bgFloodH = ($this->barSideW + $space) * sin($this->deg2rad($this->angle));
$imageH = $space + $bgFaceH + $bgFloodH + $space + imageFontHeight($this->fontSize) + $space;
$this->image = imageCreate($imageW,$imageH);
imageFill($this->image,0,0,$this->getImageColor());
//背景正面
$pointArray1[0] = $space + $labelMaxW + $space + $bgSideW;
$pointArray1[1] = $space;
$pointArray1[2] = $pointArray1[0];
$pointArray1[3] = $pointArray1[1] + $bgFaceH;
$pointArray1[4] = $pointArray1[2] + $bgFaceW;
$pointArray1[5] = $pointArray1[3];
$pointArray1[6] = $pointArray1[4];
$pointArray1[7] = $pointArray1[1];
imageFilledPolygon($this->image,$pointArray1,4,$this->getBgFaceColor());
//背景侧面
$pointArray2[0] = $pointArray1[0];
$pointArray2[1] = $pointArray1[1];
$pointArray2[2] = $pointArray2[0] - $bgSideW;
$pointArray2[3] = $pointArray2[1] + tan($this->deg2rad($this->angle)) * $bgSideW;
$pointArray2[4] = $pointArray2[2];
$pointArray2[5] = $pointArray2[3] + $bgFaceH;
$pointArray2[6] = $pointArray2[0];
$pointArray2[7] = $pointArray2[1] + $bgFaceH;
imageFilledPolygon($this->image,$pointArray2,4,$this->getBgSideColor());
//背景底面
$pointArray3[0] = $pointArray2[6];
$pointArray3[1] = $pointArray2[7];
$pointArray3[2] = $pointArray3[0] - $bgSideW;
$pointArray3[3] = $pointArray3[1] + $bgFloodH;
$pointArray3[4] = $pointArray3[2] + $bgFaceW;
$pointArray3[5] = $pointArray3[3];
$pointArray3[6] = $pointArray3[0] + $bgFaceW;
$pointArray3[7] = $pointArray3[1];
imageFilledPolygon($this->image,$pointArray3,4,$this->getBgFloodColor());
//刻度线,一共 lineCount-1 条
for($i = 1; $i < $this->lineCount; $i++)
{
imageLine($this->image,$pointArray1[0],$space * 2 + $this->lineH * $i,$pointArray1[6],$space * 2 + $this->lineH * $i,$this->getBorderColor());
}
//Y轴标签
$stepValue = round($this->getMaxData() / $this->lineCount);
for($i = 0; $i < $this->lineCount; $i++)
{
$labelValue = $i * $stepValue;
imageString($this->image,$this->fontSize,$space,$pointArray3[1] - $i * $this->lineH - imageFontHeight($this->fontSize) / 2,$labelValue,$this->getLabelFontColor());
}
//X轴标签
for($i = 0; $i < $this->xPointCount; $i++)
{
imageString($this->image,$this->fontSize,$pointArray3[0] + $this->barFaceW + $space + $this->barFaceW * 3 * $i,$pointArray3[3] + $space,$i+1,$this->getLabelFontColor());
}
//画柱条
for($i = 0; $i < $this->xPointCount; $i++)
{
if($this->dataArray[$i] != 0)
{
$barH = $this->dataArray[$i] * ($this->lineH / $stepValue);
//正面
$pointArray4[0] = $pointArray3[0] + $this->barFaceW * 2 + $this->barFaceW * 3 * $i - $this->barSideW * cos($this->deg2rad($this->angle));
$pointArray4[1] = $pointArray3[1] + $this->barSideW * sin($this->deg2rad($this->angle));
$pointArray4[2] = $pointArray4[0] + $this->barFaceW;
$pointArray4[3] = $pointArray4[1];
$pointArray4[4] = $pointArray4[2];
$pointArray4[5] = $pointArray4[3] - $barH;
$pointArray4[6] = $pointArray4[0];
$pointArray4[7] = $pointArray4[5];
imageFilledPolygon($this->image,$pointArray4,4,$this->getBarFaceColor());
//侧面
$pointArray5[0] = $pointArray4[2];
$pointArray5[1] = $pointArray4[3];
$pointArray5[2] = $pointArray3[0] + $this->barFaceW * 3 * ($i + 1);
$pointArray5[3] = $pointArray3[1];
$pointArray5[4] = $pointArray5[2];
$pointArray5[5] = $pointArray5[3] - $barH;
$pointArray5[6] = $pointArray5[0];
$pointArray5[7] = $pointArray5[1] - $barH;
imageFilledPolygon($this->image,$pointArray5,4,$this->getBarSideColor());
//顶面
$pointArray6[0] = $pointArray4[0];
$pointArray6[1] = $pointArray5[7];
$pointArray6[2] = $pointArray4[2];
$pointArray6[3] = $pointArray6[1];
$pointArray6[4] = $pointArray5[2];
$pointArray6[5] = $pointArray5[5];
$pointArray6[6] = $pointArray6[4] - $this->barFaceW;
$pointArray6[7] = $pointArray6[5];
imageFilledPolygon($this->image,$pointArray6,4,$this->getBarTopColor());
//条柱标注文字
if($this->barFontPos == "top")
{
$barFontY = $pointArray6[1] - imageFontHeight($this->fontSize);
}
else if($this->barFontPos == "middle")
{
$barFontY = $pointArray6[1] + $barH / 2 - imageFontHeight($this->fontSize);
}
else if($this->barFontPos == "bottom")
{
$barFontY = $pointArray4[1];
}
if($this->barFontWay == "down")
{
imageString($this->image,$this->fontSize,$pointArray4[0],$barFontY,$this->dataArray[$i],$this->getBarFontColor());
}
else if($this->barFontWay == "up")
{
imageStringUp($this->image,$this->fontSize,$pointArray4[0],$barFontY,$this->dataArray[$i],$this->getBarFontColor());
}
}
}
//输出图片
if($this->imageType == "gif")
{
Header("Content-type: image/gif");
imageGif($this->image);
}
else if($this->imageType == "jpeg")
{
Header("Content-type: image/jpeg");
imageJpeg($this->image);
}
else if($this->imageType == "png")
{
Header("Content-type: image/gif");
//imagePng($this->image,$this->fileName.".png");
imagePng($this->image);
}
imageDestroy($this->image);
}
}
//add by wsjakey 11-20
//example
$bar = new Bar();
$str = "10:4:8:2:9:6:20";
$dataArray = explode(":", $str);
$xLabelArray = explode(":", $str);
$xPointCount = sizeof($dataArray);
$bar->setDataArray($xLabelArray, $dataArray, $xPointCount);
$bar->draw();
//end by wsjakey 11-20
?>
楼上写的非常好,您没有给出例子来,我看了一下,发现您是从文件里取出的数据,所以我试着改了一下,并且给出一个小例子来,希望您不要介意哟!
| | wsjakey 回复于:2003-11-20 14:04:16
| JPgraph这个库的功能很强大,我下载了一下看了看,不错的哟!可以下载学习一下,用于商业开发是要收费的!
| |
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