482 lines
No EOL
14 KiB
PHP
482 lines
No EOL
14 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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// Author: Johan Persson (johanp@aditus.nu)
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// Ver: $Id: jpgraph_plotmark.inc,v 1.1 2006/07/07 13:37:14 powles Exp $
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//
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// Copyright (c) Aditus Consulting. All rights reserved.
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//========================================================================
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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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var $name = ''; // Each subclass gives a name
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var $an = array(); // Data array names
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var $colors = array(); // Available colors
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var $index = array(); // Index for colors
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var $maxidx = 0 ; // Max color index
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var $anchor_x=0.5, $anchor_y=0.5 ; // Where is the center of the image
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// Create a GD image from the data and return a GD handle
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function GetImg($aMark,$aIdx) {
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$n = $this->an[$aMark];
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if( is_string($aIdx) ) {
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if( !in_array($aIdx,$this->colors) ) {
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JpGraphError::RaiseL(23001,$this->name,$aIdx); //('This marker "'.($this->name).'" does not exist in color: '.$aIdx);
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}
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$idx = $this->index[$aIdx];
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}
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elseif( !is_integer($aIdx) ||
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(is_integer($aIdx) && $aIdx > $this->maxidx ) ) {
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JpGraphError::RaiseL(23002,$this->name);
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//('Mark color index too large for marker "'.($this->name).'"');
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}
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else
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$idx = $aIdx ;
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return Image::CreateFromString(base64_decode($this->{$n}[$idx][1]));
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}
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function GetAnchor() {
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return array($this->anchor_x,$this->anchor_y);
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}
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}
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// Keep a global flag cache to reduce memory usage
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$_gFlagCache=array(
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1 => null,
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2 => null,
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3 => null,
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4 => null,
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);
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// Only supposed to b called as statics
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class FlagCache {
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function GetFlagImgByName($aSize,$aName) {
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global $_gFlagCache;
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require_once('jpgraph_flags.php');
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if( $_gFlagCache[$aSize] === null ) {
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$_gFlagCache[$aSize] =& new FlagImages($aSize);
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}
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$f =& $_gFlagCache[$aSize];
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$idx = $f->GetIdxByName($aName,$aFullName);
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return $f->GetImgByIdx($idx);
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}
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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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var $title, $show=true;
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var $type,$weight=1;
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var $color="black", $width=4, $fill_color="blue";
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var $yvalue,$xvalue='',$csimtarget,$csimalt,$csimareas;
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var $iFormatCallback="";
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var $iFormatCallback2="";
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var $markimg='',$iScale=1.0;
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var $oldfilename='',$iFileName='';
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var $imgdata_balls = null;
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var $imgdata_diamonds = null;
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var $imgdata_squares = null;
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var $imgdata_bevels = null;
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var $imgdata_stars = null;
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var $imgdata_pushpins = null;
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//--------------
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// CONSTRUCTOR
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function PlotMark() {
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$this->title = new Text();
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$this->title->Hide();
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$this->csimareas = '';
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$this->csimalt = '';
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$this->type=-1;
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}
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//---------------
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// PUBLIC METHODS
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function SetType($aType,$aFileName='',$aScale=1.0) {
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$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 = $aScale;
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}
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function SetCallback($aFunc) {
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$this->iFormatCallback = $aFunc;
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}
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function SetCallbackYX($aFunc) {
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$this->iFormatCallback2 = $aFunc;
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}
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function GetType() {
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return $this->type;
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}
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function SetColor($aColor) {
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$this->color=$aColor;
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}
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function SetFillColor($aFillColor) {
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$this->fill_color = $aFillColor;
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}
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function SetWeight($aWeight) {
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$this->weight = $aWeight;
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}
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// Synonym for SetWidth()
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function SetSize($aWidth) {
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$this->width=$aWidth;
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}
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function SetWidth($aWidth) {
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$this->width=$aWidth;
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}
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function SetDefaultWidth() {
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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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function GetWidth() {
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return $this->width;
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}
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function Hide($aHide=true) {
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$this->show = !$aHide;
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}
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function Show($aShow=true) {
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$this->show = $aShow;
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}
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function SetCSIMAltVal($aY,$aX='') {
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$this->yvalue=$aY;
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$this->xvalue=$aX;
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}
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function SetCSIMTarget($aTarget) {
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$this->csimtarget=$aTarget;
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}
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function SetCSIMAlt($aAlt) {
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$this->csimalt=$aAlt;
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}
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function GetCSIMAreas(){
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return $this->csimareas;
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}
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function AddCSIMPoly($aPts) {
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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=\"$coords\" href=\"".$this->csimtarget."\"";
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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=\"$tmp\"";
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}
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$this->csimareas .= " alt=\"$tmp\" />\n";
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}
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}
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function AddCSIMCircle($x,$y,$r) {
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$x = round($x); $y=round($y); $r=round($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=\"".$this->csimtarget."\"";
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if( !empty($this->csimalt) ) {
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$tmp=sprintf($this->csimalt,$this->yvalue,$this->xvalue);
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$this->csimareas .= " title=\"$tmp\"";
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}
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$this->csimareas .= " alt=\"$tmp\" />\n";
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}
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}
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function Stroke(&$img,$x,$y) {
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if( !$this->show ) return;
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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 = $this->iScale;
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}
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else {
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$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=="" ) $filename = $this->iFileName;
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if( $imgscale=="" ) $imgscale = $this->iScale;
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}
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if( $width=="" ) $width = $this->width;
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if( $color=="" ) $color = $this->color;
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if( $fcolor=="" ) $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( $this->imgdata_pushpins == null ) {
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require_once 'imgdata_pushpins.inc';
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$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( $this->imgdata_squares == null ) {
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require_once 'imgdata_squares.inc';
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$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( $this->imgdata_stars == null ) {
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require_once 'imgdata_stars.inc';
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$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( $this->imgdata_bevels == null ) {
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require_once 'imgdata_bevels.inc';
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$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( $this->imgdata_diamonds == null ) {
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require_once 'imgdata_diamonds.inc';
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$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( $this->imgdata_balls == null ) {
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require_once 'imgdata_balls.inc';
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$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=\"".$this->csimtarget."\"";
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if( !empty($this->csimalt) ) {
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$tmp=sprintf($this->csimalt,$this->yvalue,$this->xvalue);
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$this->csimareas .= " title=\"$tmp\"";
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}
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$this->csimareas .= " alt=\"$tmp\" />\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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}
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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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}
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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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}
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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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}
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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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}
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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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}
|
|
|
|
// Stroke title
|
|
$this->title->Align("center","center");
|
|
$this->title->Stroke($img,$x,$y);
|
|
}
|
|
} // Class
|
|
|
|
|
|
?>
|