546 lines
18 KiB
PHP
546 lines
18 KiB
PHP
<?php
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//=======================================================================
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// File: JPGRAPH_PLOTMARK.PHP
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// Description: Class file. Handles plotmarks
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// Created: 2003-03-21
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// Ver: $Id: jpgraph_plotmark.inc.php 1106 2009-02-22 20:16:35Z ljp $
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//
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// Copyright (c) Asial Corporation. All rights reserved.
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//========================================================================
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//===================================================
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// CLASS PlotMark
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// Description: Handles the plot marks in graphs
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//===================================================
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class PlotMark
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{
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public $title;
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public $show=true;
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public $type;
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public $weight=1;
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public $iFormatCallback="";
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public $iFormatCallback2="";
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public $fill_color="blue";
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public $color="black";
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public $width=4;
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private $yvalue;
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private $xvalue='';
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private $csimtarget;
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private $csimwintarget='';
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private $csimalt;
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private $csimareas;
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private $markimg='';
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private $iScale=1.0;
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private $oldfilename='';
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private $iFileName='';
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private $imgdata_balls = null;
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private $imgdata_diamonds = null;
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private $imgdata_squares = null;
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private $imgdata_bevels = null;
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private $imgdata_stars = null;
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private $imgdata_pushpins = null;
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//--------------
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// CONSTRUCTOR
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public function __construct()
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{
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$this->title = new Text();
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$this->title->Hide();
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$this->csimareas = '';
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$this->type=-1;
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}
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//---------------
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// PUBLIC METHODS
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public function SetType($aType, $aFileName='', $aScale=1.0)
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{
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$this->type = $aType;
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if ($aType == MARK_IMG && $aFileName=='') {
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JpGraphError::RaiseL(23003);//('A filename must be specified if you set the mark type to MARK_IMG.');
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}
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$this->iFileName = $aFileName;
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$this->iScale = $aScale;
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}
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public function SetCallback($aFunc)
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{
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$this->iFormatCallback = $aFunc;
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}
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public function SetCallbackYX($aFunc)
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{
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$this->iFormatCallback2 = $aFunc;
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}
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public function GetType()
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{
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return $this->type;
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}
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public function SetColor($aColor)
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{
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$this->color=$aColor;
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}
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public function SetFillColor($aFillColor)
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{
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$this->fill_color = $aFillColor;
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}
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public function SetWeight($aWeight)
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{
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$this->weight = $aWeight;
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}
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// Synonym for SetWidth()
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public function SetSize($aWidth)
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{
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$this->width=$aWidth;
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}
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public function SetWidth($aWidth)
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{
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$this->width=$aWidth;
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}
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public function SetDefaultWidth()
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{
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switch ($this->type) {
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case MARK_CIRCLE:
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case MARK_FILLEDCIRCLE:
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$this->width=4;
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break;
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default:
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$this->width=7;
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}
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}
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public function GetWidth()
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{
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return $this->width;
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}
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public function Hide($aHide=true)
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{
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$this->show = !$aHide;
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}
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public function Show($aShow=true)
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{
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$this->show = $aShow;
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}
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public function SetCSIMAltVal($aY, $aX='')
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{
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$this->yvalue=$aY;
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$this->xvalue=$aX;
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}
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public function SetCSIMTarget($aTarget, $aWinTarget='')
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{
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$this->csimtarget=$aTarget;
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$this->csimwintarget=$aWinTarget;
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}
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public function SetCSIMAlt($aAlt)
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{
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$this->csimalt=$aAlt;
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}
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public function GetCSIMAreas()
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{
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return $this->csimareas;
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}
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public function AddCSIMPoly($aPts)
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{
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$coords = round($aPts[0]).", ".round($aPts[1]);
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$n = count($aPts)/2;
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for ($i=1; $i < $n; ++$i) {
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$coords .= ", ".round($aPts[2*$i]).", ".round($aPts[2*$i+1]);
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}
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$this->csimareas="";
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if (!empty($this->csimtarget)) {
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$this->csimareas .= "<area shape=\"poly\" coords=\"$coords\" href=\"".htmlentities($this->csimtarget)."\"";
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if (!empty($this->csimwintarget)) {
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$this->csimareas .= " target=\"".$this->csimwintarget."\" ";
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}
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if (!empty($this->csimalt)) {
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$tmp=sprintf($this->csimalt, $this->yvalue, $this->xvalue);
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$this->csimareas .= " title=\"$tmp\" alt=\"$tmp\"";
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}
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$this->csimareas .= " />\n";
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}
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}
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public function AddCSIMCircle($x, $y, $r)
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{
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$x = round($x);
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$y=round($y);
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$r=round($r);
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$this->csimareas="";
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if (!empty($this->csimtarget)) {
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$this->csimareas .= "<area shape=\"circle\" coords=\"$x,$y,$r\" href=\"".htmlentities($this->csimtarget)."\"";
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if (!empty($this->csimwintarget)) {
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$this->csimareas .= " target=\"".$this->csimwintarget."\" ";
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}
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if (!empty($this->csimalt)) {
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$tmp=sprintf($this->csimalt, $this->yvalue, $this->xvalue);
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$this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" ";
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}
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$this->csimareas .= " />\n";
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}
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}
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public function Stroke($img, $x, $y)
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{
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if (!$this->show) {
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return;
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}
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if ($this->iFormatCallback != '' || $this->iFormatCallback2 != '') {
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if ($this->iFormatCallback != '') {
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$f = $this->iFormatCallback;
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list($width, $color, $fcolor) = call_user_func($f, $this->yvalue);
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$filename = $this->iFileName;
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$imgscale = $this->iScale;
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} else {
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$f = $this->iFormatCallback2;
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list($width, $color, $fcolor, $filename, $imgscale) = call_user_func($f, $this->yvalue, $this->xvalue);
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if ($filename=="") {
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$filename = $this->iFileName;
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}
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if ($imgscale=="") {
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$imgscale = $this->iScale;
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}
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}
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if ($width=="") {
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$width = $this->width;
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}
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if ($color=="") {
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$color = $this->color;
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}
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if ($fcolor=="") {
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$fcolor = $this->fill_color;
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}
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} else {
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$fcolor = $this->fill_color;
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$color = $this->color;
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$width = $this->width;
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$filename = $this->iFileName;
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$imgscale = $this->iScale;
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}
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if ($this->type == MARK_IMG ||
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($this->type >= MARK_FLAG1 && $this->type <= MARK_FLAG4) ||
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$this->type >= MARK_IMG_PUSHPIN) {
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// Note: For the builtin images we use the "filename" parameter
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// to denote the color
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$anchor_x = 0.5;
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$anchor_y = 0.5;
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switch ($this->type) {
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case MARK_FLAG1:
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case MARK_FLAG2:
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case MARK_FLAG3:
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case MARK_FLAG4:
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$this->markimg = FlagCache::GetFlagImgByName($this->type-MARK_FLAG1+1, $filename);
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break;
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case MARK_IMG:
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// Load an image and use that as a marker
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// Small optimization, if we have already read an image don't
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// waste time reading it again.
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if ($this->markimg == '' || !($this->oldfilename === $filename)) {
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$this->markimg = Graph::LoadBkgImage('', $filename);
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$this->oldfilename = $filename ;
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}
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break;
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case MARK_IMG_PUSHPIN:
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case MARK_IMG_SPUSHPIN:
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case MARK_IMG_LPUSHPIN:
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if ($this->imgdata_pushpins == null) {
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require_once 'imgdata_pushpins.inc.php';
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$this->imgdata_pushpins = new ImgData_PushPins();
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}
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$this->markimg = $this->imgdata_pushpins->GetImg($this->type, $filename);
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list($anchor_x, $anchor_y) = $this->imgdata_pushpins->GetAnchor();
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break;
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case MARK_IMG_SQUARE:
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if ($this->imgdata_squares == null) {
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require_once 'imgdata_squares.inc.php';
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$this->imgdata_squares = new ImgData_Squares();
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}
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$this->markimg = $this->imgdata_squares->GetImg($this->type, $filename);
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list($anchor_x, $anchor_y) = $this->imgdata_squares->GetAnchor();
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break;
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case MARK_IMG_STAR:
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if ($this->imgdata_stars == null) {
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require_once 'imgdata_stars.inc.php';
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$this->imgdata_stars = new ImgData_Stars();
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}
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$this->markimg = $this->imgdata_stars->GetImg($this->type, $filename);
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list($anchor_x, $anchor_y) = $this->imgdata_stars->GetAnchor();
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break;
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case MARK_IMG_BEVEL:
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if ($this->imgdata_bevels == null) {
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require_once 'imgdata_bevels.inc.php';
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$this->imgdata_bevels = new ImgData_Bevels();
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}
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$this->markimg = $this->imgdata_bevels->GetImg($this->type, $filename);
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list($anchor_x, $anchor_y) = $this->imgdata_bevels->GetAnchor();
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break;
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case MARK_IMG_DIAMOND:
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if ($this->imgdata_diamonds == null) {
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require_once 'imgdata_diamonds.inc.php';
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$this->imgdata_diamonds = new ImgData_Diamonds();
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}
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$this->markimg = $this->imgdata_diamonds->GetImg($this->type, $filename);
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list($anchor_x, $anchor_y) = $this->imgdata_diamonds->GetAnchor();
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break;
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case MARK_IMG_BALL:
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case MARK_IMG_SBALL:
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case MARK_IMG_MBALL:
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case MARK_IMG_LBALL:
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if ($this->imgdata_balls == null) {
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require_once 'imgdata_balls.inc.php';
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$this->imgdata_balls = new ImgData_Balls();
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}
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$this->markimg = $this->imgdata_balls->GetImg($this->type, $filename);
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list($anchor_x, $anchor_y) = $this->imgdata_balls->GetAnchor();
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break;
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}
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$w = $img->GetWidth($this->markimg);
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$h = $img->GetHeight($this->markimg);
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$dw = round($imgscale * $w);
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$dh = round($imgscale * $h);
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// Do potential rotation
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list($x, $y) = $img->Rotate($x, $y);
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$dx = round($x-$dw*$anchor_x);
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$dy = round($y-$dh*$anchor_y);
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$this->width = max($dx, $dy);
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$img->Copy($this->markimg, $dx, $dy, 0, 0, $dw, $dh, $w, $h);
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if (!empty($this->csimtarget)) {
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$this->csimareas = "<area shape=\"rect\" coords=\"".
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$dx.','.$dy.','.round($dx+$dw).','.round($dy+$dh).'" '.
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"href=\"".htmlentities($this->csimtarget)."\"";
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if (!empty($this->csimwintarget)) {
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$this->csimareas .= " target=\"".$this->csimwintarget."\" ";
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}
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if (!empty($this->csimalt)) {
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$tmp=sprintf($this->csimalt, $this->yvalue, $this->xvalue);
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$this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" ";
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}
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$this->csimareas .= " />\n";
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}
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// Stroke title
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$this->title->Align("center", "top");
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$this->title->Stroke($img, $x, $y+round($dh/2));
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return;
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}
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$weight = $this->weight;
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$dx=round($width/2, 0);
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$dy=round($width/2, 0);
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$pts=0;
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switch ($this->type) {
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case MARK_SQUARE:
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$c[]=$x-$dx;$c[]=$y-$dy;
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$c[]=$x+$dx;$c[]=$y-$dy;
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$c[]=$x+$dx;$c[]=$y+$dy;
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$c[]=$x-$dx;$c[]=$y+$dy;
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$c[]=$x-$dx;$c[]=$y-$dy;
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$pts=5;
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break;
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case MARK_UTRIANGLE:
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++$dx;++$dy;
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$c[]=$x-$dx;$c[]=$y+0.87*$dy; // tan(60)/2*$dx
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$c[]=$x;$c[]=$y-0.87*$dy;
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$c[]=$x+$dx;$c[]=$y+0.87*$dy;
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$c[]=$x-$dx;$c[]=$y+0.87*$dy; // tan(60)/2*$dx
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$pts=4;
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break;
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case MARK_DTRIANGLE:
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++$dx;++$dy;
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$c[]=$x;$c[]=$y+0.87*$dy; // tan(60)/2*$dx
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$c[]=$x-$dx;$c[]=$y-0.87*$dy;
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$c[]=$x+$dx;$c[]=$y-0.87*$dy;
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$c[]=$x;$c[]=$y+0.87*$dy; // tan(60)/2*$dx
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$pts=4;
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break;
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case MARK_DIAMOND:
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$c[]=$x;$c[]=$y+$dy;
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$c[]=$x-$dx;$c[]=$y;
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$c[]=$x;$c[]=$y-$dy;
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$c[]=$x+$dx;$c[]=$y;
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$c[]=$x;$c[]=$y+$dy;
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$pts=5;
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break;
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case MARK_LEFTTRIANGLE:
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$c[]=$x;$c[]=$y;
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$c[]=$x;$c[]=$y+2*$dy;
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$c[]=$x+$dx*2;$c[]=$y;
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$c[]=$x;$c[]=$y;
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$pts=4;
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break;
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case MARK_RIGHTTRIANGLE:
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$c[]=$x-$dx*2;$c[]=$y;
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$c[]=$x;$c[]=$y+2*$dy;
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$c[]=$x;$c[]=$y;
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$c[]=$x-$dx*2;$c[]=$y;
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$pts=4;
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break;
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case MARK_FLASH:
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$dy *= 2;
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$c[]=$x+$dx/2; $c[]=$y-$dy;
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$c[]=$x-$dx+$dx/2; $c[]=$y+$dy*0.7-$dy;
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$c[]=$x+$dx/2; $c[]=$y+$dy*1.3-$dy;
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$c[]=$x-$dx+$dx/2; $c[]=$y+2*$dy-$dy;
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$img->SetLineWeight($weight);
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$img->SetColor($color);
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$img->Polygon($c);
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$img->SetLineWeight(1);
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$this->AddCSIMPoly($c);
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break;
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}
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if ($pts>0) {
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$this->AddCSIMPoly($c);
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$img->SetLineWeight($weight);
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$img->SetColor($fcolor);
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$img->FilledPolygon($c);
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$img->SetColor($color);
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$img->Polygon($c);
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$img->SetLineWeight(1);
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} elseif ($this->type==MARK_CIRCLE) {
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$img->SetColor($color);
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$img->Circle($x, $y, $width);
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$this->AddCSIMCircle($x, $y, $width);
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} elseif ($this->type==MARK_FILLEDCIRCLE) {
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$img->SetColor($fcolor);
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$img->FilledCircle($x, $y, $width);
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$img->SetColor($color);
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$img->Circle($x, $y, $width);
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$this->AddCSIMCircle($x, $y, $width);
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} elseif ($this->type==MARK_CROSS) {
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// Oversize by a pixel to match the X
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$img->SetColor($color);
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$img->SetLineWeight($weight);
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$img->Line($x, $y+$dy+1, $x, $y-$dy-1);
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$img->Line($x-$dx-1, $y, $x+$dx+1, $y);
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$this->AddCSIMCircle($x, $y, $dx);
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} elseif ($this->type==MARK_X) {
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$img->SetColor($color);
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$img->SetLineWeight($weight);
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$img->Line($x+$dx, $y+$dy, $x-$dx, $y-$dy);
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$img->Line($x-$dx, $y+$dy, $x+$dx, $y-$dy);
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$this->AddCSIMCircle($x, $y, $dx+$dy);
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} elseif ($this->type==MARK_STAR) {
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$img->SetColor($color);
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$img->SetLineWeight($weight);
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$img->Line($x+$dx, $y+$dy, $x-$dx, $y-$dy);
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$img->Line($x-$dx, $y+$dy, $x+$dx, $y-$dy);
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// Oversize by a pixel to match the X
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$img->Line($x, $y+$dy+1, $x, $y-$dy-1);
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$img->Line($x-$dx-1, $y, $x+$dx+1, $y);
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$this->AddCSIMCircle($x, $y, $dx+$dy);
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}
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// Stroke title
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$this->title->Align("center", "center");
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$this->title->Stroke($img, $x, $y);
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}
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} // Class
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//========================================================================
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// CLASS ImgData
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// Description: Base class for all image data classes that contains the
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// real image data.
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//========================================================================
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class ImgData
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{
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protected $name = ''; // Each subclass gives a name
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protected $an = array(); // Data array names
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protected $colors = array(); // Available colors
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protected $index = array(); // Index for colors
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protected $maxidx = 0 ; // Max color index
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protected $anchor_x=0.5;
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protected $anchor_y=0.5 ; // Where is the center of the image
|
|
|
|
public function __construct()
|
|
{
|
|
// Empty
|
|
}
|
|
|
|
// Create a GD image from the data and return a GD handle
|
|
public function GetImg($aMark, $aIdx)
|
|
{
|
|
$n = $this->an[$aMark];
|
|
if (is_string($aIdx)) {
|
|
if (!in_array($aIdx, $this->colors)) {
|
|
JpGraphError::RaiseL(23001, $this->name, $aIdx);//('This marker "'.($this->name).'" does not exist in color: '.$aIdx);
|
|
}
|
|
$idx = $this->index[$aIdx];
|
|
} elseif (!is_integer($aIdx) ||
|
|
(is_integer($aIdx) && $aIdx > $this->maxidx)) {
|
|
JpGraphError::RaiseL(23002, $this->name);//('Mark color index too large for marker "'.($this->name).'"');
|
|
} else {
|
|
$idx = $aIdx ;
|
|
}
|
|
return Image::CreateFromString(base64_decode($this->{$n}[$idx][1]));
|
|
}
|
|
|
|
public function GetAnchor()
|
|
{
|
|
return array($this->anchor_x,$this->anchor_y);
|
|
}
|
|
}
|
|
|
|
|
|
// Keep a global flag cache to reduce memory usage
|
|
$_gFlagCache=array(
|
|
1 => null,
|
|
2 => null,
|
|
3 => null,
|
|
4 => null,
|
|
);
|
|
// Only supposed to b called as statics
|
|
class FlagCache
|
|
{
|
|
public static function GetFlagImgByName($aSize, $aName)
|
|
{
|
|
global $_gFlagCache;
|
|
require_once('jpgraph_flags.php');
|
|
if ($_gFlagCache[$aSize] === null) {
|
|
$_gFlagCache[$aSize] = new FlagImages($aSize);
|
|
}
|
|
$f = $_gFlagCache[$aSize];
|
|
$idx = $f->GetIdxByName($aName, $aFullName);
|
|
return $f->GetImgByIdx($idx);
|
|
}
|
|
}
|