[42] | 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 1.9.2.5 2003/10/25 20:29:48 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 = $aIdx ; |
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| 42 | return Image::CreateFromString(base64_decode($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 | // Keep a global flag cache to reduce memory usage |
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| 51 | $_gFlagCache=array( |
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| 52 | 1 => null, |
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| 53 | 2 => null, |
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| 54 | 3 => null, |
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| 55 | 4 => null, |
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| 56 | ); |
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| 57 | // Only supposed to b called as statics |
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| 58 | class FlagCache { |
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| 59 | function GetFlagImgByName($aSize,$aName) { |
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| 60 | global $_gFlagCache; |
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| 61 | require_once('jpgraph_flags.php'); |
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| 62 | if( $_gFlagCache[$aSize] === null ) { |
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| 63 | $_gFlagCache[$aSize] =& new FlagImages($aSize); |
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| 64 | } |
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| 65 | $f =& $_gFlagCache[$aSize]; |
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| 66 | $idx = $f->GetIdxByName($aName,$aFullName); |
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| 67 | return $f->GetImgByIdx($idx); |
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| 68 | } |
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| 69 | } |
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| 70 | |
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| 71 | //=================================================== |
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| 72 | // CLASS PlotMark |
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| 73 | // Description: Handles the plot marks in graphs |
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| 74 | //=================================================== |
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| 75 | class PlotMark { |
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| 76 | var $title, $show=true; |
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| 77 | var $type,$weight=1; |
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| 78 | var $color="black", $width=4, $fill_color="blue"; |
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| 79 | var $yvalue,$xvalue='',$csimtarget,$csimalt,$csimareas; |
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| 80 | var $iFormatCallback=""; |
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| 81 | var $iFormatCallback2=""; |
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| 82 | var $markimg='',$iScale=1.0; |
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| 83 | var $oldfilename='',$iFileName=''; |
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| 84 | var $imgdata_balls = null; |
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| 85 | var $imgdata_diamonds = null; |
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| 86 | var $imgdata_squares = null; |
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| 87 | var $imgdata_bevels = null; |
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| 88 | var $imgdata_stars = null; |
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| 89 | var $imgdata_pushpins = null; |
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| 90 | |
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| 91 | //-------------- |
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| 92 | // CONSTRUCTOR |
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| 93 | function PlotMark() { |
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| 94 | $this->title = new Text(); |
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| 95 | $this->title->Hide(); |
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| 96 | $this->csimareas = ''; |
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| 97 | $this->csimalt = ''; |
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| 98 | $this->type=-1; |
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| 99 | } |
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| 100 | //--------------- |
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| 101 | // PUBLIC METHODS |
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| 102 | function SetType($aType,$aFileName='',$aScale=1.0) { |
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| 103 | $this->type = $aType; |
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| 104 | if( $aType == MARK_IMG && $aFileName=='' ) { |
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| 105 | JpGraphError::Raise('A filename must be specified if you set the mark type to MARK_IMG.'); |
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| 106 | } |
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| 107 | $this->iFileName = $aFileName; |
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| 108 | $this->iScale = $aScale; |
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| 109 | } |
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| 110 | |
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| 111 | function SetCallback($aFunc) { |
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| 112 | $this->iFormatCallback = $aFunc; |
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| 113 | } |
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| 114 | |
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| 115 | function SetCallbackYX($aFunc) { |
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| 116 | $this->iFormatCallback2 = $aFunc; |
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| 117 | } |
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| 118 | |
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| 119 | function GetType() { |
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| 120 | return $this->type; |
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| 121 | } |
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| 122 | |
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| 123 | function SetColor($aColor) { |
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| 124 | $this->color=$aColor; |
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| 125 | } |
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| 126 | |
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| 127 | function SetFillColor($aFillColor) { |
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| 128 | $this->fill_color = $aFillColor; |
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| 129 | } |
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| 130 | |
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| 131 | function SetWeight($aWeight) { |
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| 132 | $this->weight = $aWeight; |
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| 133 | } |
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| 134 | |
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| 135 | // Synonym for SetWidth() |
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| 136 | function SetSize($aWidth) { |
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| 137 | $this->width=$aWidth; |
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| 138 | } |
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| 139 | |
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| 140 | function SetWidth($aWidth) { |
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| 141 | $this->width=$aWidth; |
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| 142 | } |
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| 143 | |
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| 144 | function SetDefaultWidth() { |
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| 145 | switch( $this->type ) { |
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| 146 | case MARK_CIRCLE: |
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| 147 | case MARK_FILLEDCIRCLE: |
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| 148 | $this->width=4; |
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| 149 | break; |
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| 150 | default: |
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| 151 | $this->width=7; |
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| 152 | } |
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| 153 | } |
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| 154 | |
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| 155 | function GetWidth() { |
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| 156 | return $this->width; |
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| 157 | } |
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| 158 | |
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| 159 | function Hide($aHide=true) { |
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| 160 | $this->show = !$aHide; |
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| 161 | } |
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| 162 | |
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| 163 | function Show($aShow=true) { |
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| 164 | $this->show = $aShow; |
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| 165 | } |
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| 166 | |
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| 167 | function SetCSIMAltVal($aY,$aX='') { |
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| 168 | $this->yvalue=$aY; |
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| 169 | $this->xvalue=$aX; |
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| 170 | } |
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| 171 | |
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| 172 | function SetCSIMTarget($aTarget) { |
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| 173 | $this->csimtarget=$aTarget; |
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| 174 | } |
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| 175 | |
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| 176 | function SetCSIMAlt($aAlt) { |
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| 177 | $this->csimalt=$aAlt; |
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| 178 | } |
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| 179 | |
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| 180 | function GetCSIMAreas(){ |
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| 181 | return $this->csimareas; |
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| 182 | } |
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| 183 | |
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| 184 | function AddCSIMPoly($aPts) { |
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| 185 | $coords = round($aPts[0]).", ".round($aPts[1]); |
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| 186 | $n = count($aPts)/2; |
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| 187 | for( $i=1; $i < $n; ++$i){ |
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| 188 | $coords .= ", ".round($aPts[2*$i]).", ".round($aPts[2*$i+1]); |
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| 189 | } |
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| 190 | $this->csimareas=""; |
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| 191 | if( !empty($this->csimtarget) ) { |
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| 192 | $this->csimareas .= "<area shape=\"poly\" coords=\"$coords\" href=\"".$this->csimtarget."\""; |
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| 193 | if( !empty($this->csimalt) ) { |
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| 194 | $tmp=sprintf($this->csimalt,$this->yvalue,$this->xvalue); |
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| 195 | $this->csimareas .= " alt=\"$tmp\" title=\"$tmp\""; |
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| 196 | } |
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| 197 | $this->csimareas .= ">\n"; |
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| 198 | } |
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| 199 | } |
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| 200 | |
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| 201 | function AddCSIMCircle($x,$y,$r) { |
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| 202 | $x = round($x); $y=round($y); $r=round($r); |
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| 203 | $this->csimareas=""; |
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| 204 | if( !empty($this->csimtarget) ) { |
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| 205 | $this->csimareas .= "<area shape=\"circle\" coords=\"$x,$y,$r\" href=\"".$this->csimtarget."\""; |
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| 206 | if( !empty($this->csimalt) ) { |
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| 207 | $tmp=sprintf($this->csimalt,$this->yvalue,$this->xvalue); |
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| 208 | $this->csimareas .= " alt=\"$tmp\" title=\"$tmp\""; |
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| 209 | } |
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| 210 | $this->csimareas .= ">\n"; |
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| 211 | } |
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| 212 | } |
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| 213 | |
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| 214 | function Stroke($img,$x,$y) { |
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| 215 | if( !$this->show ) return; |
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| 216 | |
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| 217 | if( $this->iFormatCallback != '' || $this->iFormatCallback2 != '' ) { |
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| 218 | |
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| 219 | if( $this->iFormatCallback != '' ) { |
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| 220 | $f = $this->iFormatCallback; |
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| 221 | list($width,$color,$fcolor) = call_user_func($f,$this->yvalue); |
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| 222 | $filename = $this->iFileName; |
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| 223 | $imgscale = $this->iScale; |
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| 224 | } |
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| 225 | else { |
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| 226 | $f = $this->iFormatCallback2; |
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| 227 | list($width,$color,$fcolor,$filename,$imgscale) = call_user_func($f,$this->yvalue,$this->xvalue); |
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| 228 | if( $filename=="" ) $filename = $this->iFileName; |
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| 229 | if( $imgscale=="" ) $imgscale = $this->iScale; |
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| 230 | } |
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| 231 | |
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| 232 | if( $width=="" ) $width = $this->width; |
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| 233 | if( $color=="" ) $color = $this->color; |
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| 234 | if( $fcolor=="" ) $fcolor = $this->fill_color; |
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| 235 | |
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| 236 | } |
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| 237 | else { |
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| 238 | $fcolor = $this->fill_color; |
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| 239 | $color = $this->color; |
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| 240 | $width = $this->width; |
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| 241 | $filename = $this->iFileName; |
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| 242 | $imgscale = $this->iScale; |
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| 243 | } |
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| 244 | |
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| 245 | if( $this->type == MARK_IMG || |
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| 246 | ($this->type >= MARK_FLAG1 && $this->type <= MARK_FLAG4 ) || |
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| 247 | $this->type >= MARK_IMG_PUSHPIN ) { |
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| 248 | |
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| 249 | // Note: For the builtin images we use the "filename" parameter |
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| 250 | // to denote the color |
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| 251 | $anchor_x = 0.5; |
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| 252 | $anchor_y = 0.5; |
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| 253 | switch( $this->type ) { |
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| 254 | case MARK_FLAG1: |
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| 255 | case MARK_FLAG2: |
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| 256 | case MARK_FLAG3: |
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| 257 | case MARK_FLAG4: |
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| 258 | $this->markimg = FlagCache::GetFlagImgByName($this->type-MARK_FLAG1+1,$filename); |
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| 259 | break; |
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| 260 | |
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| 261 | case MARK_IMG : |
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| 262 | // Load an image and use that as a marker |
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| 263 | // Small optimization, if we have already read an image don't |
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| 264 | // waste time reading it again. |
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| 265 | if( $this->markimg == '' || !($this->oldfilename === $filename) ) { |
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| 266 | $this->markimg = Graph::LoadBkgImage('',$filename); |
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| 267 | $this->oldfilename = $filename ; |
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| 268 | } |
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| 269 | break; |
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| 270 | |
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| 271 | case MARK_IMG_PUSHPIN: |
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| 272 | case MARK_IMG_SPUSHPIN: |
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| 273 | case MARK_IMG_LPUSHPIN: |
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| 274 | if( $this->imgdata_pushpins == null ) { |
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| 275 | require_once 'imgdata_pushpins.inc'; |
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| 276 | $this->imgdata_pushpins = new ImgData_PushPins(); |
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| 277 | } |
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| 278 | $this->markimg = $this->imgdata_pushpins->GetImg($this->type,$filename); |
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| 279 | list($anchor_x,$anchor_y) = $this->imgdata_pushpins->GetAnchor(); |
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| 280 | break; |
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| 281 | |
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| 282 | case MARK_IMG_SQUARE: |
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| 283 | if( $this->imgdata_squares == null ) { |
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| 284 | require_once 'imgdata_squares.inc'; |
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| 285 | $this->imgdata_squares = new ImgData_Squares(); |
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| 286 | } |
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| 287 | $this->markimg = $this->imgdata_squares->GetImg($this->type,$filename); |
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| 288 | list($anchor_x,$anchor_y) = $this->imgdata_squares->GetAnchor(); |
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| 289 | break; |
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| 290 | |
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| 291 | case MARK_IMG_STAR: |
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| 292 | if( $this->imgdata_stars == null ) { |
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| 293 | require_once 'imgdata_stars.inc'; |
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| 294 | $this->imgdata_stars = new ImgData_Stars(); |
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| 295 | } |
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| 296 | $this->markimg = $this->imgdata_stars->GetImg($this->type,$filename); |
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| 297 | list($anchor_x,$anchor_y) = $this->imgdata_stars->GetAnchor(); |
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| 298 | break; |
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| 299 | |
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| 300 | case MARK_IMG_BEVEL: |
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| 301 | if( $this->imgdata_bevels == null ) { |
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| 302 | require_once 'imgdata_bevels.inc'; |
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| 303 | $this->imgdata_bevels = new ImgData_Bevels(); |
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| 304 | } |
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| 305 | $this->markimg = $this->imgdata_bevels->GetImg($this->type,$filename); |
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| 306 | list($anchor_x,$anchor_y) = $this->imgdata_bevels->GetAnchor(); |
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| 307 | break; |
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| 308 | |
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| 309 | case MARK_IMG_DIAMOND: |
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| 310 | if( $this->imgdata_diamonds == null ) { |
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| 311 | require_once 'imgdata_diamonds.inc'; |
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| 312 | $this->imgdata_diamonds = new ImgData_Diamonds(); |
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| 313 | } |
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| 314 | $this->markimg = $this->imgdata_diamonds->GetImg($this->type,$filename); |
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| 315 | list($anchor_x,$anchor_y) = $this->imgdata_diamonds->GetAnchor(); |
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| 316 | break; |
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| 317 | |
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| 318 | case MARK_IMG_BALL: |
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| 319 | case MARK_IMG_SBALL: |
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| 320 | case MARK_IMG_MBALL: |
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| 321 | case MARK_IMG_LBALL: |
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| 322 | if( $this->imgdata_balls == null ) { |
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| 323 | require_once 'imgdata_balls.inc'; |
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| 324 | $this->imgdata_balls = new ImgData_Balls(); |
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| 325 | } |
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| 326 | $this->markimg = $this->imgdata_balls->GetImg($this->type,$filename); |
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| 327 | list($anchor_x,$anchor_y) = $this->imgdata_balls->GetAnchor(); |
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| 328 | break; |
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| 329 | } |
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| 330 | |
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| 331 | $w = $img->GetWidth($this->markimg); |
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| 332 | $h = $img->GetHeight($this->markimg); |
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| 333 | |
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| 334 | $dw = round($imgscale * $w ); |
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| 335 | $dh = round($imgscale * $h ); |
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| 336 | |
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| 337 | $dx = round($x-$dw*$anchor_x); |
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| 338 | $dy = round($y-$dh*$anchor_y); |
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| 339 | |
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| 340 | $this->width = max($dx,$dy); |
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| 341 | |
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| 342 | $img->Copy($this->markimg,$dx,$dy,0,0,$dw,$dh,$w,$h); |
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| 343 | if( !empty($this->csimtarget) ) { |
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| 344 | $this->csimareas = "<area shape=\"rect\" coords=\"". |
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| 345 | $dx.','.$dy.','.round($dx+$dw).','.round($dy+$dh).'" '. |
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| 346 | "href=\"".$this->csimtarget."\""; |
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| 347 | if( !empty($this->csimalt) ) { |
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| 348 | $tmp=sprintf($this->csimalt,$this->yvalue,$this->xvalue); |
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| 349 | $this->csimareas .= " alt=\"$tmp\" title=\"$tmp\""; |
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| 350 | } |
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| 351 | $this->csimareas .= ">\n"; |
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| 352 | } |
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| 353 | |
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| 354 | // Stroke title |
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| 355 | $this->title->Align("center","top"); |
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| 356 | $this->title->Stroke($img,$x,$y+round($dh/2)); |
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| 357 | return; |
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| 358 | } |
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| 359 | |
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| 360 | $weight = $this->weight; |
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| 361 | $dx=round($width/2,0); |
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| 362 | $dy=round($width/2,0); |
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| 363 | $pts=0; |
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| 364 | |
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| 365 | switch( $this->type ) { |
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| 366 | case MARK_SQUARE: |
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| 367 | $c[]=$x-$dx;$c[]=$y-$dy; |
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| 368 | $c[]=$x+$dx;$c[]=$y-$dy; |
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| 369 | $c[]=$x+$dx;$c[]=$y+$dy; |
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| 370 | $c[]=$x-$dx;$c[]=$y+$dy; |
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| 371 | $c[]=$x-$dx;$c[]=$y-$dy; |
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| 372 | $pts=5; |
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| 373 | break; |
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| 374 | case MARK_UTRIANGLE: |
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| 375 | ++$dx;++$dy; |
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| 376 | $c[]=$x-$dx;$c[]=$y+0.87*$dy; // tan(60)/2*$dx |
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| 377 | $c[]=$x;$c[]=$y-0.87*$dy; |
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| 378 | $c[]=$x+$dx;$c[]=$y+0.87*$dy; |
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| 379 | $c[]=$x-$dx;$c[]=$y+0.87*$dy; // tan(60)/2*$dx |
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| 380 | $pts=4; |
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| 381 | break; |
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| 382 | case MARK_DTRIANGLE: |
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| 383 | ++$dx;++$dy; |
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| 384 | $c[]=$x;$c[]=$y+0.87*$dy; // tan(60)/2*$dx |
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| 385 | $c[]=$x-$dx;$c[]=$y-0.87*$dy; |
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| 386 | $c[]=$x+$dx;$c[]=$y-0.87*$dy; |
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| 387 | $c[]=$x;$c[]=$y+0.87*$dy; // tan(60)/2*$dx |
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| 388 | $pts=4; |
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| 389 | break; |
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| 390 | case MARK_DIAMOND: |
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| 391 | $c[]=$x;$c[]=$y+$dy; |
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| 392 | $c[]=$x-$dx;$c[]=$y; |
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| 393 | $c[]=$x;$c[]=$y-$dy; |
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| 394 | $c[]=$x+$dx;$c[]=$y; |
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| 395 | $c[]=$x;$c[]=$y+$dy; |
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| 396 | $pts=5; |
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| 397 | break; |
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| 398 | case MARK_LEFTTRIANGLE: |
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| 399 | $c[]=$x;$c[]=$y; |
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| 400 | $c[]=$x;$c[]=$y+2*$dy; |
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| 401 | $c[]=$x+$dx*2;$c[]=$y; |
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| 402 | $c[]=$x;$c[]=$y; |
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| 403 | $pts=4; |
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| 404 | break; |
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| 405 | case MARK_RIGHTTRIANGLE: |
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| 406 | $c[]=$x-$dx*2;$c[]=$y; |
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| 407 | $c[]=$x;$c[]=$y+2*$dy; |
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| 408 | $c[]=$x;$c[]=$y; |
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| 409 | $c[]=$x-$dx*2;$c[]=$y; |
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| 410 | $pts=4; |
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| 411 | break; |
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| 412 | case MARK_FLASH: |
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| 413 | $dy *= 2; |
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| 414 | $c[]=$x+$dx/2; $c[]=$y-$dy; |
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| 415 | $c[]=$x-$dx+$dx/2; $c[]=$y+$dy*0.7-$dy; |
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| 416 | $c[]=$x+$dx/2; $c[]=$y+$dy*1.3-$dy; |
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| 417 | $c[]=$x-$dx+$dx/2; $c[]=$y+2*$dy-$dy; |
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| 418 | $img->SetLineWeight($weight); |
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| 419 | $img->SetColor($color); |
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| 420 | $img->Polygon($c); |
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| 421 | $img->SetLineWeight(1); |
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| 422 | $this->AddCSIMPoly($c); |
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| 423 | break; |
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| 424 | } |
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| 425 | |
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| 426 | if( $pts>0 ) { |
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| 427 | $this->AddCSIMPoly($c); |
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| 428 | $img->SetLineWeight($weight); |
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| 429 | $img->SetColor($fcolor); |
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| 430 | $img->FilledPolygon($c); |
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| 431 | $img->SetColor($color); |
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| 432 | $img->Polygon($c); |
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| 433 | $img->SetLineWeight(1); |
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| 434 | } |
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| 435 | elseif( $this->type==MARK_CIRCLE ) { |
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| 436 | $img->SetColor($color); |
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| 437 | $img->Circle($x,$y,$width); |
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| 438 | $this->AddCSIMCircle($x,$y,$width); |
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| 439 | } |
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| 440 | elseif( $this->type==MARK_FILLEDCIRCLE ) { |
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| 441 | $img->SetColor($fcolor); |
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| 442 | $img->FilledCircle($x,$y,$width); |
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| 443 | $img->SetColor($color); |
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| 444 | $img->Circle($x,$y,$width); |
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| 445 | $this->AddCSIMCircle($x,$y,$width); |
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| 446 | } |
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| 447 | elseif( $this->type==MARK_CROSS ) { |
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| 448 | // Oversize by a pixel to match the X |
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| 449 | $img->SetColor($color); |
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| 450 | $img->SetLineWeight($weight); |
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| 451 | $img->Line($x,$y+$dy+1,$x,$y-$dy-1); |
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| 452 | $img->Line($x-$dx-1,$y,$x+$dx+1,$y); |
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| 453 | $this->AddCSIMCircle($x,$y,$dx); |
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| 454 | } |
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| 455 | elseif( $this->type==MARK_X ) { |
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| 456 | $img->SetColor($color); |
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| 457 | $img->SetLineWeight($weight); |
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| 458 | $img->Line($x+$dx,$y+$dy,$x-$dx,$y-$dy); |
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| 459 | $img->Line($x-$dx,$y+$dy,$x+$dx,$y-$dy); |
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| 460 | $this->AddCSIMCircle($x,$y,$dx+$dy); |
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| 461 | } |
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| 462 | elseif( $this->type==MARK_STAR ) { |
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| 463 | $img->SetColor($color); |
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| 464 | $img->SetLineWeight($weight); |
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| 465 | $img->Line($x+$dx,$y+$dy,$x-$dx,$y-$dy); |
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| 466 | $img->Line($x-$dx,$y+$dy,$x+$dx,$y-$dy); |
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| 467 | // Oversize by a pixel to match the X |
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| 468 | $img->Line($x,$y+$dy+1,$x,$y-$dy-1); |
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| 469 | $img->Line($x-$dx-1,$y,$x+$dx+1,$y); |
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| 470 | $this->AddCSIMCircle($x,$y,$dx+$dy); |
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| 471 | } |
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| 472 | |
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| 473 | // Stroke title |
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| 474 | $this->title->Align("center","center"); |
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| 475 | $this->title->Stroke($img,$x,$y); |
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| 476 | } |
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| 477 | } // Class |
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| 478 | |
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| 479 | |
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| 480 | ?> |
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