| 1 | <?php
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| 2 | //=======================================================================
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| 3 | // File: JPGRAPH_PLOTMARK.PHP
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| 4 | // Description: Class file. Handles plotmarks
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| 5 | // Created: 2003-03-21
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| 6 | // Author: Johan Persson (johanp@aditus.nu)
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| 7 | // Ver: $Id: jpgraph_plotmark.inc,v 1.9 2003/05/28 20:45:05 aditus Exp $
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| 8 | //
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| 9 | // License: This code is released under QPL 1.0
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| 10 | // Copyright (C) 2003 Johan Persson
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| 11 | //========================================================================
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| 12 |
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| 13 |
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| 14 | //========================================================================
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| 15 | // CLASS ImgData
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| 16 | // Description: Base class for all image data classes that contains the
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| 17 | // real image data.
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| 18 | //========================================================================
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| 19 | class ImgData {
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| 20 | var $name = ''; // Each subclass gives a name
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| 21 | var $an = array(); // Data array names
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| 22 | var $colors = array(); // Available colors
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| 23 | var $index = array(); // Index for colors
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| 24 | var $maxidx = 0 ; // Max color index
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| 25 | var $anchor_x=0.5, $anchor_y=0.5 ; // Where is the center of the image
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| 26 | // Create a GD image from the data and return a GD handle
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| 27 | function GetImg($aMark,$aIdx) {
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| 28 | $n = $this->an[$aMark];
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| 29 | if( is_string($aIdx) ) {
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| 30 | if( !in_array($aIdx,$this->colors) ) {
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| 31 | JpGraphError::Raise('This marker "'.($this->name).'" does not exist in color: '.$aIdx);
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| 32 | die();
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| 33 | }
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| 34 | $idx = $this->index[$aIdx];
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| 35 | }
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| 36 | elseif( !is_integer($aIdx) ||
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| 37 | (is_integer($aIdx) && $aIdx > $this->maxidx ) ) {
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| 38 | JpGraphError::Raise('Mark color index too large for marker "'.($this->name).'"');
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| 39 | }
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| 40 | else
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| 41 | $idx = $aIdx ;
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| 42 | return imagecreatefromstring(base64_decode($this->{$n}[$idx][1]));
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| 43 | }
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| 44 | function GetAnchor() {
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| 45 | return array($this->anchor_x,$this->anchor_y);
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| 46 | }
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| 47 | }
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| 48 |
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| 49 |
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| 50 | //===================================================
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| 51 | // CLASS PlotMark
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| 52 | // Description: Handles the plot marks in graphs
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| 53 | //===================================================
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| 54 | class PlotMark {
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| 55 | var $title, $show=true;
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| 56 | var $type,$weight=1;
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| 57 | var $color="black", $width=4, $fill_color="blue";
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| 58 | var $yvalue,$xvalue='',$csimtarget,$csimalt,$csimareas;
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| 59 | var $iFormatCallback="";
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| 60 | var $iFormatCallback2="";
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| 61 | var $markimg='',$iScale=1.0;
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| 62 | var $oldfilename='',$iFileName='';
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| 63 | var $imgdata_balls = null;
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| 64 | var $imgdata_diamonds = null;
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| 65 | var $imgdata_squares = null;
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| 66 | var $imgdata_bevels = null;
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| 67 | var $imgdata_stars = null;
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| 68 | var $imgdata_pushpins = null;
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| 69 |
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| 70 | //--------------
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| 71 | // CONSTRUCTOR
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| 72 | function PlotMark() {
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| 73 | $this->title = new Text();
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| 74 | $this->title->Hide();
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| 75 | $this->csimareas = '';
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| 76 | $this->csimalt = '';
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| 77 | $this->type=-1;
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| 78 | }
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| 79 | //---------------
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| 80 | // PUBLIC METHODS
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| 81 | function SetType($aType,$aFileName='',$aScale=1.0) {
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| 82 | $this->type = $aType;
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| 83 | if( $aType == MARK_IMG && $aFileName=='' ) {
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| 84 | JpGraphError::Raise('A filename must be specified if you set the mark type to MARK_IMG.');
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| 85 | }
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| 86 | $this->iFileName = $aFileName;
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| 87 | $this->iScale = $aScale;
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| 88 | }
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| 89 |
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| 90 | function SetCallback($aFunc) {
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| 91 | $this->iFormatCallback = $aFunc;
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| 92 | }
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| 93 |
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| 94 | function SetCallbackYX($aFunc) {
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| 95 | $this->iFormatCallback2 = $aFunc;
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| 96 | }
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| 97 |
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| 98 | function GetType() {
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| 99 | return $this->type;
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| 100 | }
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| 101 |
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| 102 | function SetColor($aColor) {
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| 103 | $this->color=$aColor;
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| 104 | }
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| 105 |
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| 106 | function SetFillColor($aFillColor) {
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| 107 | $this->fill_color = $aFillColor;
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| 108 | }
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| 109 |
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| 110 | function SetWeight($aWeight) {
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| 111 | $this->weight = $aWeight;
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| 112 | }
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| 113 |
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| 114 | // Synonym for SetWidth()
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| 115 | function SetSize($aWidth) {
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| 116 | $this->width=$aWidth;
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| 117 | }
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| 118 |
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| 119 | function SetWidth($aWidth) {
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| 120 | $this->width=$aWidth;
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| 121 | }
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| 122 |
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| 123 | function SetDefaultWidth() {
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| 124 | switch( $this->type ) {
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| 125 | case MARK_CIRCLE:
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| 126 | case MARK_FILLEDCIRCLE:
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| 127 | $this->width=4;
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| 128 | break;
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| 129 | default:
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| 130 | $this->width=7;
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| 131 | }
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| 132 | }
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| 133 |
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| 134 | function GetWidth() {
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| 135 | return $this->width;
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| 136 | }
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| 137 |
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| 138 | function Hide($aHide=true) {
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| 139 | $this->show = !$aHide;
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| 140 | }
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| 141 |
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| 142 | function Show($aShow=true) {
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| 143 | $this->show = $aShow;
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| 144 | }
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| 145 |
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| 146 | function SetCSIMAltVal($aY,$aX='') {
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| 147 | $this->yvalue=$aY;
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| 148 | $this->xvalue=$aX;
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| 149 | }
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| 150 |
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| 151 | function SetCSIMTarget($aTarget) {
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| 152 | $this->csimtarget=$aTarget;
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| 153 | }
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| 154 |
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| 155 | function SetCSIMAlt($aAlt) {
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| 156 | $this->csimalt=$aAlt;
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| 157 | }
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| 158 |
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| 159 | function GetCSIMAreas(){
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| 160 | return $this->csimareas;
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| 161 | }
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| 162 |
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| 163 | function AddCSIMPoly($aPts) {
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| 164 | $coords = round($aPts[0]).", ".round($aPts[1]);
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| 165 | $n = count($aPts)/2;
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| 166 | for( $i=1; $i < $n; ++$i){
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| 167 | $coords .= ", ".round($aPts[2*$i]).", ".round($aPts[2*$i+1]);
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| 168 | }
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| 169 | $this->csimareas="";
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| 170 | if( !empty($this->csimtarget) ) {
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| 171 | $this->csimareas .= "<area shape=\"poly\" coords=\"$coords\" href=\"".$this->csimtarget."\"";
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| 172 | if( !empty($this->csimalt) ) {
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| 173 | $tmp=sprintf($this->csimalt,$this->yvalue,$this->xvalue);
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| 174 | $this->csimareas .= " alt=\"$tmp\" title=\"$tmp\"";
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| 175 | }
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| 176 | $this->csimareas .= ">\n";
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| 177 | }
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| 178 | }
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| 179 |
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| 180 | function AddCSIMCircle($x,$y,$r) {
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| 181 | $x = round($x); $y=round($y); $r=round($r);
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| 182 | $this->csimareas="";
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| 183 | if( !empty($this->csimtarget) ) {
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| 184 | $this->csimareas .= "<area shape=\"circle\" coords=\"$x,$y,$r\" href=\"".$this->csimtarget."\"";
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| 185 | if( !empty($this->csimalt) ) {
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| 186 | $tmp=sprintf($this->csimalt,$this->yvalue,$this->xvalue);
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| 187 | $this->csimareas .= " alt=\"$tmp\" title=\"$tmp\"";
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| 188 | }
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| 189 | $this->csimareas .= ">\n";
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| 190 | }
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| 191 | }
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| 192 |
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| 193 | function Stroke($img,$x,$y) {
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| 194 | if( !$this->show ) return;
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| 195 |
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| 196 | if( $this->iFormatCallback != '' || $this->iFormatCallback2 != '' ) {
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| 197 |
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| 198 | if( $this->iFormatCallback != '' ) {
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| 199 | $f = $this->iFormatCallback;
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| 200 | list($width,$color,$fcolor) = $f($this->yvalue);
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| 201 | $filename = $this->iFileName;
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| 202 | $imgscale = $this->iScale;
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| 203 | }
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| 204 | else {
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| 205 | $f = $this->iFormatCallback2;
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| 206 | list($width,$color,$fcolor,$filename,$imgscale) = $f($this->yvalue,$this->xvalue);
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| 207 | if( $filename=="" ) $filename = $this->iFileName;
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| 208 | if( $imgscale=="" ) $imgscale = $this->iScale;
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| 209 | }
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| 210 |
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| 211 | if( $width=="" ) $width = $this->width;
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| 212 | if( $color=="" ) $color = $this->color;
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| 213 | if( $fcolor=="" ) $fcolor = $this->fill_color;
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| 214 |
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| 215 | }
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| 216 | else {
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| 217 | $fcolor = $this->fill_color;
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| 218 | $color = $this->color;
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| 219 | $width = $this->width;
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| 220 | $filename = $this->iFileName;
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| 221 | $imgscale = $this->iScale;
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| 222 | }
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| 223 |
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| 224 |
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| 225 | if( $this->type == MARK_IMG || $this->type >= MARK_IMG_PUSHPIN ) {
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| 226 |
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| 227 | // Note: For the builtin images we use the "filename" parameter
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| 228 | // to denote the color
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| 229 | $anchor_x = 0.5;
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| 230 | $anchor_y = 0.5;
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| 231 | switch( $this->type ) {
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| 232 | case MARK_IMG :
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| 233 | // Load an image and use that as a marker
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| 234 | // Small optimization, if we have already read an image don't
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| 235 | // waste time reading it again.
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| 236 | if( $this->markimg == '' || !($this->oldfilename === $filename) ) {
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| 237 | $this->markimg = Graph::LoadBkgImage('',$filename);
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| 238 | $this->oldfilename = $filename ;
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| 239 | }
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| 240 | break;
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| 241 |
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| 242 | case MARK_IMG_PUSHPIN:
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| 243 | case MARK_IMG_SPUSHPIN:
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| 244 | case MARK_IMG_LPUSHPIN:
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| 245 | if( $this->imgdata_pushpins == null ) {
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| 246 | require_once 'imgdata_pushpins.inc';
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| 247 | $this->imgdata_pushpins = new ImgData_PushPins();
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| 248 | }
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| 249 | $this->markimg = $this->imgdata_pushpins->GetImg($this->type,$filename);
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| 250 | list($anchor_x,$anchor_y) = $this->imgdata_pushpins->GetAnchor();
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| 251 | break;
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| 252 |
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| 253 | case MARK_IMG_SQUARE:
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| 254 | if( $this->imgdata_squares == null ) {
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| 255 | require_once 'imgdata_squares.inc';
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| 256 | $this->imgdata_squares = new ImgData_Squares();
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| 257 | }
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| 258 | $this->markimg = $this->imgdata_squares->GetImg($this->type,$filename);
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| 259 | list($anchor_x,$anchor_y) = $this->imgdata_squares->GetAnchor();
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| 260 | break;
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| 261 |
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| 262 | case MARK_IMG_STAR:
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| 263 | if( $this->imgdata_stars == null ) {
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| 264 | require_once 'imgdata_stars.inc';
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| 265 | $this->imgdata_stars = new ImgData_Stars();
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| 266 | }
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| 267 | $this->markimg = $this->imgdata_stars->GetImg($this->type,$filename);
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| 268 | list($anchor_x,$anchor_y) = $this->imgdata_stars->GetAnchor();
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| 269 | break;
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| 270 |
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| 271 | case MARK_IMG_BEVEL:
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| 272 | if( $this->imgdata_bevels == null ) {
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| 273 | require_once 'imgdata_bevels.inc';
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| 274 | $this->imgdata_bevels = new ImgData_Bevels();
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| 275 | }
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| 276 | $this->markimg = $this->imgdata_bevels->GetImg($this->type,$filename);
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| 277 | list($anchor_x,$anchor_y) = $this->imgdata_bevels->GetAnchor();
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| 278 | break;
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| 279 |
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| 280 | case MARK_IMG_DIAMOND:
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| 281 | if( $this->imgdata_diamonds == null ) {
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| 282 | require_once 'imgdata_diamonds.inc';
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| 283 | $this->imgdata_diamonds = new ImgData_Diamonds();
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| 284 | }
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| 285 | $this->markimg = $this->imgdata_diamonds->GetImg($this->type,$filename);
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| 286 | list($anchor_x,$anchor_y) = $this->imgdata_diamonds->GetAnchor();
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| 287 | break;
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| 288 |
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| 289 | case MARK_IMG_BALL:
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| 290 | case MARK_IMG_SBALL:
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| 291 | case MARK_IMG_MBALL:
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| 292 | case MARK_IMG_LBALL:
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| 293 | if( $this->imgdata_balls == null ) {
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| 294 | require_once 'imgdata_balls.inc';
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| 295 | $this->imgdata_balls = new ImgData_Balls();
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| 296 | }
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| 297 | $this->markimg = $this->imgdata_balls->GetImg($this->type,$filename);
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| 298 | list($anchor_x,$anchor_y) = $this->imgdata_balls->GetAnchor();
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| 299 | break;
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| 300 | }
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| 301 |
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| 302 | $w = imagesx($this->markimg);
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| 303 | $h = imagesy($this->markimg);
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| 304 |
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| 305 | $dw = round($imgscale * $w );
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| 306 | $dh = round($imgscale * $h );
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| 307 |
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| 308 | $dx = round($x-$dw*$anchor_x);
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| 309 | $dy = round($y-$dh*$anchor_y);
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| 310 |
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| 311 | $this->width = max($dx,$dy);
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| 312 |
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| 313 | $cp = $GLOBALS['copyfunc'] ;
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| 314 | $cp($img->img,$this->markimg,$dx,$dy,0,0,$dw,$dh,$w,$h);
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| 315 | if( !empty($this->csimtarget) ) {
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| 316 | $this->csimareas = "<area shape=\"rect\" coords=\"".
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| 317 | $dx.','.$dy.','.round($dx+$dw).','.round($dy+$dh).'" '.
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| 318 | "href=\"".$this->csimtarget."\"";
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| 319 | if( !empty($this->csimalt) ) {
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| 320 | $tmp=sprintf($this->csimalt,$this->yvalue,$this->xvalue);
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| 321 | $this->csimareas .= " alt=\"$tmp\" title=\"$tmp\"";
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| 322 | }
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| 323 | $this->csimareas .= ">\n";
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| 324 | }
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| 325 |
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| 326 | // Stroke title
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| 327 | $this->title->Align("center","top");
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| 328 | $this->title->Stroke($img,$x,$y+round($dh/2));
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| 329 | return;
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| 330 | }
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| 331 |
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| 332 | $weight = $this->weight;
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| 333 | $dx=round($width/2,0);
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| 334 | $dy=round($width/2,0);
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| 335 | $pts=0;
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| 336 |
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| 337 | switch( $this->type ) {
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| 338 | case MARK_SQUARE:
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| 339 | $c[]=$x-$dx;$c[]=$y-$dy;
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| 340 | $c[]=$x+$dx;$c[]=$y-$dy;
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| 341 | $c[]=$x+$dx;$c[]=$y+$dy;
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| 342 | $c[]=$x-$dx;$c[]=$y+$dy;
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| 343 | $c[]=$x-$dx;$c[]=$y-$dy;
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| 344 | $pts=5;
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| 345 | break;
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| 346 | case MARK_UTRIANGLE:
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| 347 | ++$dx;++$dy;
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| 348 | $c[]=$x-$dx;$c[]=$y+0.87*$dy; // tan(60)/2*$dx
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| 349 | $c[]=$x;$c[]=$y-0.87*$dy;
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| 350 | $c[]=$x+$dx;$c[]=$y+0.87*$dy;
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| 351 | $c[]=$x-$dx;$c[]=$y+0.87*$dy; // tan(60)/2*$dx
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| 352 | $pts=4;
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| 353 | break;
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| 354 | case MARK_DTRIANGLE:
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| 355 | ++$dx;++$dy;
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| 356 | $c[]=$x;$c[]=$y+0.87*$dy; // tan(60)/2*$dx
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| 357 | $c[]=$x-$dx;$c[]=$y-0.87*$dy;
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| 358 | $c[]=$x+$dx;$c[]=$y-0.87*$dy;
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| 359 | $c[]=$x;$c[]=$y+0.87*$dy; // tan(60)/2*$dx
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| 360 | $pts=4;
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| 361 | break;
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| 362 | case MARK_DIAMOND:
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| 363 | $c[]=$x;$c[]=$y+$dy;
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| 364 | $c[]=$x-$dx;$c[]=$y;
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| 365 | $c[]=$x;$c[]=$y-$dy;
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| 366 | $c[]=$x+$dx;$c[]=$y;
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| 367 | $c[]=$x;$c[]=$y+$dy;
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| 368 | $pts=5;
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| 369 | break;
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| 370 | case MARK_LEFTTRIANGLE:
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| 371 | $c[]=$x;$c[]=$y;
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| 372 | $c[]=$x;$c[]=$y+2*$dy;
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| 373 | $c[]=$x+$dx*2;$c[]=$y;
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| 374 | $c[]=$x;$c[]=$y;
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| 375 | $pts=4;
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| 376 | break;
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| 377 | case MARK_RIGHTTRIANGLE:
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| 378 | $c[]=$x-$dx*2;$c[]=$y;
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| 379 | $c[]=$x;$c[]=$y+2*$dy;
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| 380 | $c[]=$x;$c[]=$y;
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| 381 | $c[]=$x-$dx*2;$c[]=$y;
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| 382 | $pts=4;
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| 383 | break;
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| 384 | case MARK_FLASH:
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| 385 | $dy *= 2;
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| 386 | $c[]=$x+$dx/2; $c[]=$y-$dy;
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| 387 | $c[]=$x-$dx+$dx/2; $c[]=$y+$dy*0.7-$dy;
|
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| 388 | $c[]=$x+$dx/2; $c[]=$y+$dy*1.3-$dy;
|
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| 389 | $c[]=$x-$dx+$dx/2; $c[]=$y+2*$dy-$dy;
|
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| 390 | $img->SetLineWeight($weight);
|
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| 391 | $img->SetColor($color);
|
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| 392 | $img->Polygon($c);
|
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| 393 | $img->SetLineWeight(1);
|
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| 394 | $this->AddCSIMPoly($c);
|
|---|
| 395 | break;
|
|---|
| 396 | }
|
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| 397 |
|
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| 398 | if( $pts>0 ) {
|
|---|
| 399 | $this->AddCSIMPoly($c);
|
|---|
| 400 | $img->SetLineWeight($weight);
|
|---|
| 401 | $img->SetColor($fcolor);
|
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| 402 | $img->FilledPolygon($c);
|
|---|
| 403 | $img->SetColor($color);
|
|---|
| 404 | $img->Polygon($c);
|
|---|
| 405 | $img->SetLineWeight(1);
|
|---|
| 406 | }
|
|---|
| 407 | elseif( $this->type==MARK_CIRCLE ) {
|
|---|
| 408 | $img->SetColor($color);
|
|---|
| 409 | $img->Circle($x,$y,$width);
|
|---|
| 410 | $this->AddCSIMCircle($x,$y,$width);
|
|---|
| 411 | }
|
|---|
| 412 | elseif( $this->type==MARK_FILLEDCIRCLE ) {
|
|---|
| 413 | $img->SetColor($fcolor);
|
|---|
| 414 | $img->FilledCircle($x,$y,$width);
|
|---|
| 415 | $img->SetColor($color);
|
|---|
| 416 | $img->Circle($x,$y,$width+1);
|
|---|
| 417 | $this->AddCSIMCircle($x,$y,$width);
|
|---|
| 418 | }
|
|---|
| 419 | elseif( $this->type==MARK_CROSS ) {
|
|---|
| 420 | // Oversize by a pixel to match the X
|
|---|
| 421 | $img->SetColor($color);
|
|---|
| 422 | $img->SetLineWeight($weight);
|
|---|
| 423 | $img->Line($x,$y+$dy+1,$x,$y-$dy-1);
|
|---|
| 424 | $img->Line($x-$dx-1,$y,$x+$dx+1,$y);
|
|---|
| 425 | $this->AddCSIMCircle($x,$y,$dx);
|
|---|
| 426 | }
|
|---|
| 427 | elseif( $this->type==MARK_X ) {
|
|---|
| 428 | $img->SetColor($color);
|
|---|
| 429 | $img->SetLineWeight($weight);
|
|---|
| 430 | $img->Line($x+$dx,$y+$dy,$x-$dx,$y-$dy);
|
|---|
| 431 | $img->Line($x-$dx,$y+$dy,$x+$dx,$y-$dy);
|
|---|
| 432 | $this->AddCSIMCircle($x,$y,$dx+$dy);
|
|---|
| 433 | }
|
|---|
| 434 | elseif( $this->type==MARK_STAR ) {
|
|---|
| 435 | $img->SetColor($color);
|
|---|
| 436 | $img->SetLineWeight($weight);
|
|---|
| 437 | $img->Line($x+$dx,$y+$dy,$x-$dx,$y-$dy);
|
|---|
| 438 | $img->Line($x-$dx,$y+$dy,$x+$dx,$y-$dy);
|
|---|
| 439 | // Oversize by a pixel to match the X
|
|---|
| 440 | $img->Line($x,$y+$dy+1,$x,$y-$dy-1);
|
|---|
| 441 | $img->Line($x-$dx-1,$y,$x+$dx+1,$y);
|
|---|
| 442 | $this->AddCSIMCircle($x,$y,$dx+$dy);
|
|---|
| 443 | }
|
|---|
| 444 |
|
|---|
| 445 | // Stroke title
|
|---|
| 446 | $this->title->Align("center","center");
|
|---|
| 447 | $this->title->Stroke($img,$x,$y);
|
|---|
| 448 | }
|
|---|
| 449 | } // Class
|
|---|
| 450 |
|
|---|
| 451 |
|
|---|
| 452 | ?> |
|---|
