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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