393 lines
14 KiB
PHP
393 lines
14 KiB
PHP
<?php
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/**
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* Zeed Platform Project
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* Based on Zeed Framework & Zend Framework.
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*
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* BTS - Billing Transaction Service
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* CAS - Central Authentication Service
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*
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* LICENSE
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* http://www.zeed.com.cn/license/
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*
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* @category Zeed
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* @package Zeed_Image
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* @subpackage PChart
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* @copyright Copyright (c) 2010 Zeed Technologies PRC Inc. (http://www.zeed.com.cn)
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* @author Zeed Team (http://blog.zeed.com.cn)
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* @since 2010-6-30
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* @version SVN: $Id$
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*/
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require_once ZEED_PATH_3rd . 'pChart/pChart.php';
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class Zeed_PChart extends pChart
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{
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public static $tableYNAMES = array('','A','B','C','D','E','F','G','H','I','J','K','L');
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protected $_image = null;
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protected $_dataFontName = null;
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protected $_dataFontSize = null;
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public function setDataFontProperties($fontName, $fontSize)
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{
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$this->_dataFontName = $fontName;
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$this->_dataFontSize = $fontSize;
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}
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/**
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* 获取一个表格的随机单元
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*
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* @param string $size 8x9 标识 X 为8 Y 为9的表格
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* @param integer $num 获取单元个数
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* @return array|null
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*/
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public static function getTableRandomUnit($size, $num)
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{
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$size = trim(strtolower($size));
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$units = null;
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if ( preg_match('#^([0-9]+)x([0-9]+)$#i', $size, $matchs)) {
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$xSize = $matchs[1];
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$ySize = $matchs[2];
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$units = array();
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$i = 0;
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do {
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$x = range(1, $xSize);
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$y = array_slice(self::$tableYNAMES, 1, $ySize);
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$xIndex = array_rand($x, 1);
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$yIndex = array_rand($y, 1);
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$unit = $y[$yIndex].$x[$xIndex];
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if (in_array($unit, $units)) {
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continue;
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}
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$units[] = $unit;
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$i++;
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}
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while ($i < $num);
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// for ($i = 0; $i < $num; $i++) {
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// $x = range(1, $xSize);
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// $y = array_slice(self::$tableYNAMES, 1, $ySize);
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//
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// $xIndex = array_rand($x, 1);
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// $yIndex = array_rand($y, 1);
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//
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// $unit = $y[$yIndex].$x[$xIndex];
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// if ()
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// $units[] = $y[$yIndex].$x[$xIndex];
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// }
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}
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return $units;
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}
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/* Compute and draw the scale */
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/**
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*
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* 表表格模式下最后一列以及最后一行将被忽略
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*
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* @param $Data
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* @param $DataDescription
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* @param $ScaleMode
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* @param $R
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* @param $G
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* @param $B
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* @param $DrawTicks
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* @param $Angle 画 X Y 轴名称时的位置角度
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* @param $Decimals
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* @param $WithMargin
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* @param $SkipLabels
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* @param boolean $RightScale 是否在右边标记 Y 轴，如果是 Y 轴的标记将出现在右边
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*/
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function drawTable($Data, $DataDescription, $ScaleMode, $R, $G, $B, $DrawTicks = TRUE, $Angle = 0, $Decimals = 1, $WithMargin = FALSE, $SkipLabels = 1, $RightScale = FALSE)
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{
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/**
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* 画个表格，虽然是表格但是 X 轴的数据库目前还是由 DATA 传递的
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*
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* @var unknown_type
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*/
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$table = true;
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$RightScale = ($RightScale && ! $table) ? true : false;
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/* Validate the Data and DataDescription array */
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$this->validateData("drawScale", $Data);
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$C_TextColor = $this->AllocateColor($this->Picture, $R, $G, $B);
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$this->drawLine($this->GArea_X1, $this->GArea_Y1, $this->GArea_X1, $this->GArea_Y2, $R, $G, $B);
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$this->drawLine($this->GArea_X1, $this->GArea_Y2, $this->GArea_X2, $this->GArea_Y2, $R, $G, $B);
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$Divisions = $this->Divisions;
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/**
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* 如果是表格模式，那么直接统计 Values 个数，也就是 $DataDescription['Values'] 数据个数
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*/
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if ($table) {
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$Divisions = count($DataDescription['Values']);
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}
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$this->DivisionCount = $Divisions;
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$DataRange = $this->VMax - $this->VMin;
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if ($DataRange == 0) {
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$DataRange = .1;
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}
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$this->DivisionHeight = ($this->GArea_Y2 - $this->GArea_Y1) / $Divisions;
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$this->DivisionRatio = ($this->GArea_Y2 - $this->GArea_Y1) / $DataRange;
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$this->GAreaXOffset = 0;
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if (count($Data) > 1) {
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if ($WithMargin == FALSE)
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$this->DivisionWidth = ($this->GArea_X2 - $this->GArea_X1) / (count($Data) - 1);
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else {
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$this->DivisionWidth = ($this->GArea_X2 - $this->GArea_X1) / (count($Data));
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$this->GAreaXOffset = $this->DivisionWidth / 2;
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}
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} else {
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$this->DivisionWidth = $this->GArea_X2 - $this->GArea_X1;
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$this->GAreaXOffset = $this->DivisionWidth / 2;
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}
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$this->DataCount = count($Data);
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if ($DrawTicks == FALSE)
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return (0);
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if ($table) {
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$YPos = $this->GArea_Y2 - ($this->DivisionHeight / 2);
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} else {
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$YPos = $this->GArea_Y2;
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}
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$XMin = NULL;
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/**
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* 画 Y 轴标记
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* Y 轴在不是表格模式的时候，应该是计算出来的，因为是划线
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*/
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$rowNum = $Divisions; /* 当前表格行数 */
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/**
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* 用于表格 Y 轴坐标
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* pChart 画 Y 轴时从下方开始画，为了兼容这种模式，设置第一个为空，以便表格和标记对应
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* @todo 当前表格只能有 12 行，如要更多，在 $tableYValues 中加入 Y 轴描述
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*/
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$tableYValuePostion = $rowNum;
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for ($i = 1; $i <= $Divisions + 1; $i ++) {
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$Value = self::$tableYNAMES[$tableYValuePostion];
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$tableYValuePostion --;
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$Position = imageftbbox($this->FontSize, 0, $this->FontName, $Value);
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$TextWidth = $Position[2] - $Position[0];
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if ($RightScale) {
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imagettftext($this->Picture, $this->FontSize, 0, $this->GArea_X2 + 10, $YPos + ($this->FontSize / 2), $C_TextColor, $this->FontName, $Value);
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if ($XMin < $this->GArea_X2 + 15 + $TextWidth || $XMin == NULL) {
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$XMin = $this->GArea_X2 + 15 + $TextWidth;
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}
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} else {
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imagettftext($this->Picture, $this->FontSize, 0, $this->GArea_X1 - 15, $YPos + ($this->FontSize / 2), $C_TextColor, $this->FontName, $Value);
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if ($XMin > $this->GArea_X1 - 10 - $TextWidth || $XMin == NULL) {
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$XMin = $this->GArea_X1 - 10 - $TextWidth;
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}
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}
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$YPos = $YPos - $this->DivisionHeight;
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}
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/* Write the Y Axis caption if set */
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/**
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* 画一个关于 Y 轴的描述
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*/
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if (isset($DataDescription["Axis"]["Y"])) {
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$Position = imageftbbox($this->FontSize, 90, $this->FontName, $DataDescription["Axis"]["Y"]);
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$TextHeight = abs($Position[1]) + abs($Position[3]);
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$TextTop = (($this->GArea_Y2 - $this->GArea_Y1) / 2) + $this->GArea_Y1 + ($TextHeight / 2);
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if ($RightScale)
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imagettftext($this->Picture, $this->FontSize, 90, $XMin + $this->FontSize, $TextTop, $C_TextColor, $this->FontName, $DataDescription["Axis"]["Y"]);
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else
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imagettftext($this->Picture, $this->FontSize, 90, $XMin - $this->FontSize, $TextTop, $C_TextColor, $this->FontName, $DataDescription["Axis"]["Y"]);
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}
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/* Horizontal Axis */
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/**
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* 定义 X 轴起始坐标
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* GAreaXOffset X 轴坐标偏移值， 一般为 0
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*/
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$XPos = $this->GArea_X1 + $this->GAreaXOffset;
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/**
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* 让 X 轴的标记定位在表格的中
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*/
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if ($table) {
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$XPos = $XPos + ((($XPos + $this->DivisionWidth) - $XPos) / 2);
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}
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$ID = 1;
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$YMax = NULL;
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/**
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* 画 X 轴标记
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*/
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foreach ($Data as $Key => $Values) {
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if ($ID % $SkipLabels == 0) {
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$Value = $Data[$Key][$DataDescription["Position"]];
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if ($DataDescription["Format"]["X"] == "number")
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$Value = $Value . $DataDescription["Unit"]["X"];
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if ($DataDescription["Format"]["X"] == "time")
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$Value = $this->ToTime($Value);
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if ($DataDescription["Format"]["X"] == "date")
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$Value = $this->ToDate($Value);
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if ($DataDescription["Format"]["X"] == "metric")
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$Value = $this->ToMetric($Value);
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if ($DataDescription["Format"]["X"] == "currency")
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$Value = $this->ToCurrency($Value);
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$Position = imageftbbox($this->FontSize, $Angle, $this->FontName, $Value);
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$TextWidth = abs($Position[2]) + abs($Position[0]);
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$TextHeight = abs($Position[1]) + abs($Position[3]);
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/**
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* 画 X 轴数据
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*/
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if ($Angle == 0) {
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$YPos = $this->GArea_Y2 + 18;
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imagettftext($this->Picture, $this->FontSize, $Angle, floor($XPos) - floor($TextWidth / 2), $YPos, $C_TextColor, $this->FontName, $Value);
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} else {
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$YPos = $this->GArea_Y2 + 10 + $TextHeight;
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if ($Angle <= 90)
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imagettftext($this->Picture, $this->FontSize, $Angle, floor($XPos) - $TextWidth + 5, $YPos, $C_TextColor, $this->FontName, $Value);
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else
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imagettftext($this->Picture, $this->FontSize, $Angle, floor($XPos) + $TextWidth + 5, $YPos, $C_TextColor, $this->FontName, $Value);
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}
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if ($YMax < $YPos || $YMax == NULL) {
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$YMax = $YPos;
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}
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}
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$XPos = $XPos + $this->DivisionWidth;
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$ID ++;
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}
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/* Write the X Axis caption if set */
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/**
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* 画一个关于 X 轴的描述
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*/
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if (isset($DataDescription["Axis"]["X"])) {
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$Position = imageftbbox($this->FontSize, 90, $this->FontName, $DataDescription["Axis"]["X"]);
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$TextWidth = abs($Position[2]) + abs($Position[0]);
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$TextLeft = (($this->GArea_X2 - $this->GArea_X1) / 2) + $this->GArea_X1 + ($TextWidth / 2);
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imagettftext($this->Picture, $this->FontSize, 0, $TextLeft, $YMax + $this->FontSize + 5, $C_TextColor, $this->FontName, $DataDescription["Axis"]["X"]);
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}
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/**
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* 如果是表格直接输出里面的数据
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* 表格的数据为了兼容 pChat 从坐标轴 X Y 的 0 0 （LEFT BOTTON）开始，先画第一列，以此类推
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*/
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$dataXPos = $this->GArea_X1 + $this->GAreaXOffset;
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$dataXPos = $dataXPos + ((($dataXPos + $this->DivisionWidth) - $dataXPos) / 2);
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$fontName = $this->FontName;
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$fontSize = $this->FontSize;
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if (null !== $this->_dataFontName && null !== $this->_dataFontSize) {
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$this->setFontProperties($this->_dataFontName, $this->_dataFontSize);
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}
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foreach ($Data as $key => $value) {
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$dataYPos = $this->GArea_Y2 - ($this->DivisionHeight / 2);
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foreach ($DataDescription['Values'] as $serieKey) {
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$tokenString = strtoupper($Data[$key][$serieKey]);
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$this->drawTextBox($dataXPos, $dataYPos, $dataXPos, $dataYPos, $tokenString, 0, 0, 0, 0, ALIGN_CENTER, $Shadow = false);
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$dataYPos = $dataYPos - $this->DivisionHeight;
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}
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$dataXPos = $dataXPos + $this->DivisionWidth;
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}
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$this->setFontProperties($fontName, $fontSize);
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}
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/* Validate data contained in the data array */
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function validateData($FunctionName, &$Data)
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{
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$DataSummary = array();
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if (is_array($Data)) {
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foreach ($Data as $key => $Values) {
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foreach ($Values as $key2 => $Value) {
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if (! isset($DataSummary[$key2]))
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$DataSummary[$key2] = 1;
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else
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$DataSummary[$key2] ++;
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}
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}
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}
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if (! empty($DataSummary) && max($DataSummary) == 0)
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$this->Errors[] = "[Warning] " . $FunctionName . " - No data set.";
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foreach ($DataSummary as $key => $Value) {
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if ($Value < max($DataSummary)) {
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$this->Errors[] = "[Warning] " . $FunctionName . " - Missing data in serie " . $key . ".";
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}
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}
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}
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public function getTextWidth($text)
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{
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$position = imageftbbox($this->FontSize,0,$this->FontName,$text);
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$width = $position[2]-$position[0];
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return $width;
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}
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public function getImage()
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{
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if (null === $this->_image) {
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ob_start();
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$this->output();
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$this->_image = ob_get_contents();
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ob_end_clean();
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}
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return $this->_image;
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}
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/**
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* 以 PNG 的方式显示图片
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*/
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public function output()
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{
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if ($this->ErrorReporting) {
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$this->printErrors($this->ErrorInterface);
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}
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/* Save image map if requested */
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if ($this->BuildMap) {
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$this->SaveImageMap();
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}
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header('Content-type: image/png');
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ob_start();
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imagepng($this->Picture);
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$this->_image = ob_get_contents();
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ob_end_clean();
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echo $this->_image;
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}
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}
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// End ^ Native EOL ^ encoding
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