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1 <?php |
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2 |
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3 /* |
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4 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between |
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5 * Version 1.0 (Banshee) |
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6 * Copyright (C) 2006-2007 Dan Fuhry |
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7 * |
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8 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License |
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9 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. |
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10 * |
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11 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied |
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12 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. |
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13 */ |
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14 |
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15 // BarGraph for PHP |
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16 // Source: http://www.phpclasses.org/browse/package/1567.html |
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17 // License: PHP license, see licenses/phplic.html included with this package |
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18 |
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19 class GraphMaker { |
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20 /** |
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21 * GraphMaker::bar_width |
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22 * Width of bars |
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23 */ |
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24 var $bar_width = 32; |
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25 /** |
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26 * GraphMaker::bar_height |
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27 * Height of bars |
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28 */ |
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29 var $bar_height = 8; |
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30 /** |
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31 * GraphMaker::bar_data |
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32 * Data of all bars |
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33 */ |
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34 var $bar_data = array('a' => 7, 'b' => 3, 'c' => 6, 'd' => 0, 'e' => 2); |
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35 /** |
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36 * GraphMaker::bar_padding |
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37 * Padding of bars |
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38 */ |
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39 var $bar_padding = 5; |
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40 /** |
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41 * GraphMaker::bar_bordercolor |
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42 * Border color of bars |
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43 */ |
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44 var $bar_bordercolor = array(39, 78, 120); |
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45 /** |
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46 * GraphMaker::bar_bgcolor |
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47 * Background color of bars |
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48 */ |
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49 var $bar_bgcolor = array(69, 129, 194); |
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50 //--------------------------------------------- |
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51 /** |
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52 * GraphMaker::graph_areaheight |
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53 * Height of graphic area |
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54 */ |
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55 var $graph_areaheight = 100; |
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56 /** |
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57 * GraphMaker::graph_padding |
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58 * Paddings of graph |
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59 */ |
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60 var $graph_padding = array('left' => 50, 'top' => 20, 'right' => 20, 'bottom' => 20); |
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61 /** |
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62 * GraphMaker::graph_title |
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63 * Title text of graph |
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64 */ |
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65 var $graph_title = ""; |
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66 /** |
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67 * GraphMaker::graph_bgcolor |
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68 * Background color of graph |
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69 */ |
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70 var $graph_bgcolor = array(255, 255, 255); |
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71 /** |
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72 * GraphMaker::graph_bgtransparent |
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73 * Boolean for background transparency |
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74 */ |
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75 var $graph_bgtransparent = 0; |
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76 /** |
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77 * GraphMaker::graph_transparencylevel |
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78 * Transparency level (0=opaque, 127=transparent) |
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79 */ |
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80 var $graph_transparencylevel = 0; |
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81 /** |
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82 * GraphMaker::graph_borderwidth |
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83 * Width of graph border |
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84 */ |
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85 var $graph_borderwidth = 1; |
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86 /** |
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87 * GraphMaker::graph_bordercolor |
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88 * Border color of graph |
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89 */ |
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90 var $graph_bordercolor = array(218, 218, 239); |
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91 /** |
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92 * GraphMaker::graph_titlecolor |
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93 * Color of title text of graph |
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94 */ |
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95 var $graph_titlecolor = array(99, 88, 78); |
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96 //--------------------------------------------- |
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97 /** |
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98 * GraphMaker::axis_step |
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99 * Scale step of axis |
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100 */ |
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101 var $axis_step = 2; |
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102 /** |
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103 * GraphMaker::axis_bordercolor |
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104 * Border color of axis |
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105 */ |
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106 var $axis_bordercolor = array(99, 88, 78); |
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107 /** |
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108 * GraphMaker::axis_bgcolor |
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109 * Background color of axis |
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110 */ |
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111 var $axis_bgcolor = array(152, 137, 124); |
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112 |
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113 /**************************************************************** |
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114 GRAPH |
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115 ****************************************************************/ |
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116 |
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117 /** |
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118 * GraphMaker::SetGraphAreaHeight() |
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119 * Sets graph height (not counting top and bottom margins) |
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120 **/ |
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121 function SetGraphAreaHeight($height) { |
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122 if ($height > 0) $this->graph_areaheight = $height; |
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123 } |
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124 |
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125 /** |
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126 * GraphMaker::SetGraphPadding() |
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127 * Sets graph padding (margins) |
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128 **/ |
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129 function SetGraphPadding($left, $top, $right, $bottom) { |
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130 $this->graph_padding = array('left' => (int) $left, |
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131 'top' => (int) $top, |
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132 'right' => (int) $right, |
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133 'bottom' => (int) $bottom); |
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134 } |
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135 |
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136 /** |
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137 * GraphMaker::SetGraphTitle() |
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138 * Set title text |
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139 **/ |
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140 function SetGraphTitle($title) { |
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141 $this->graph_title = $title; |
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142 } |
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143 |
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144 /** |
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145 * GraphMaker::SetGraphBorderColor() |
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146 * Sets border color for graph |
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147 **/ |
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148 function SetGraphBorderColor($red, $green, $blue) { |
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149 $this->graph_bordercolor = array($red, $green, $blue); |
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150 } |
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151 |
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152 /** |
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153 * GraphMaker::SetGraphBorderWidth() |
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154 * Set width of border. 0 disables border |
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155 **/ |
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156 function SetGraphBorderWidth($width = 0) { |
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157 $this->graph_borderwidth = $width; |
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158 } |
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159 |
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160 /** |
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161 * GraphMaker::SetGraphBackgroundColor() |
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162 * Sets background color for graph |
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163 **/ |
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164 function SetGraphBackgroundColor($red, $green, $blue) { |
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165 $this->graph_bgcolor = array($red, $green, $blue); |
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166 } |
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167 |
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168 /** |
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169 * GraphMaker::SetGraphBackgroundTransparent() |
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170 * Sets background color for graph (and set it transparent) |
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171 **/ |
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172 function SetGraphBackgroundTransparent($red, $green, $blue, $addtransparency = 1) { |
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173 $this->graph_bgcolor = array($red, $green, $blue); |
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174 $this->graph_bgtransparent = ($addtransparency ? 1 : 0); |
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175 } |
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176 |
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177 /** |
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178 * GraphMaker::SetGraphTitleColor() |
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179 * Sets title color for graph |
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180 **/ |
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181 function SetGraphTitleColor($red, $green, $blue) { |
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182 $this->graph_titlecolor = array($red, $green, $blue); |
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183 } |
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184 |
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185 /** |
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186 * GraphMaker::SetGraphTransparency() |
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187 * Sets transparency for graph |
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188 **/ |
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189 function SetGraphTransparency($percent) { |
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190 if ($percent < 0) $percent = 0; |
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191 elseif ($percent > 100) $percent = 127; |
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192 else $percent = $percent * 1.27; |
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193 $this->graph_transparencylevel = $percent; |
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194 } |
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195 |
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196 /**************************************************************** |
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197 BAR |
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198 ****************************************************************/ |
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199 |
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200 /** |
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201 * GraphMaker::SetBarBorderColor() |
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202 * Sets border color for bars |
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203 **/ |
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204 function SetBarBorderColor($red, $green, $blue) { |
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205 $this->bar_bordercolor = array($red, $green, $blue); |
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206 } |
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207 |
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208 /** |
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209 * GraphMaker::SetBarBackgroundColor() |
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210 * Sets background color for bars |
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211 **/ |
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212 function SetBarBackgroundColor($red, $green, $blue) { |
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213 $this->bar_bgcolor = array($red, $green, $blue); |
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214 } |
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215 |
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216 /** |
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217 * GraphMaker::SetBarData() |
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218 * Sets data of graph (parameter should be an array with key |
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219 * being the name of the bar and the value the value of the bar. |
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220 **/ |
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221 function SetBarData($data) { |
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222 if (is_array($data)) $this->bar_data = $data; |
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223 } |
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224 |
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225 /** |
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226 * GraphMaker::SetBarDimensions() |
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227 * Sets with and height of each bar |
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228 **/ |
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229 function SetBarDimensions($width, $height) { |
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230 if ($width > 0) $this->bar_width = $width; |
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231 if ($height > 0) $this->bar_height = $height; |
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232 } |
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233 |
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234 /** |
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235 * GraphMaker::SetBarPadding() |
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236 * Sets padding (border) around each bar |
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237 **/ |
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238 function SetBarPadding($padding) { |
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239 if ($padding > 0) $this->bar_padding = $padding; |
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240 } |
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241 |
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242 /**************************************************************** |
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243 AXIS |
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244 ****************************************************************/ |
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245 |
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246 /** |
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247 * GraphMaker::SetAxisBorderColor() |
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248 * Sets border color for axis |
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249 **/ |
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250 function SetAxisBorderColor($red, $green, $blue) { |
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251 $this->axis_bordercolor = array($red, $green, $blue); |
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252 } |
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253 |
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254 /** |
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255 * GraphMaker::SetAxisBackgroundColor() |
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256 * Sets background color for axis |
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257 **/ |
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258 function SetAxisBackgroundColor($red, $green, $blue) { |
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259 $this->axis_bgcolor = array($red, $green, $blue); |
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260 } |
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261 |
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262 /** |
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263 * GraphMaker::SetAxisStep() |
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264 * Sets axis scale step |
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265 **/ |
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266 function SetAxisStep($step) { |
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267 if ($step > 0) $this->axis_step = $step; |
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268 } |
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269 |
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270 /** |
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271 * GraphMaker::GetFinalGraphDimensions() |
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272 * From the values already setted, it calculates image |
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273 * width and height |
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274 **/ |
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275 function GetFinalGraphDimensions() { |
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276 $w = $this->graph_padding['left'] + |
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277 (count($this->bar_data) * ($this->bar_width + ($this->bar_padding * 2))) + |
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278 $this->graph_padding['right']; |
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279 $h = $this->graph_padding['top'] + |
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280 $this->graph_areaheight + |
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281 $this->graph_padding['bottom']; |
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282 return array($w, $h); |
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283 } |
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284 |
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285 /** |
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286 * GraphMaker::LoadGraph() |
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287 * Loads definitions from a file |
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288 **/ |
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289 function LoadGraph($path) { |
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290 if (($fp = @fopen($path, "r")) !== false) { |
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291 $content = ""; |
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292 while (!feof($fp)) { // I do not use filesize() here |
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293 $content .= fread($fp, 4096); // because of remote files. If |
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294 } // there is no problem with them |
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295 fclose($fp); // please let me know |
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296 $this->__LoadGraphDefinitions($content); |
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297 return true; |
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298 } else return false; |
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299 } |
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300 |
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301 /** |
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302 * GraphMaker::DrawGraph() |
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303 * Draw all the graph: bg, axis, bars, text.. and output it |
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304 * Optional file parameter turns output to file, and bool on success |
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305 **/ |
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306 function DrawGraph($file = "") { |
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307 list($w, $h) = $this->GetFinalGraphDimensions(); |
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308 $this->graph_width = $w; |
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309 $this->graph_height = $h; |
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310 |
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311 $this->im = imagecreatetruecolor($w, $h); |
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312 if ($this->graph_transparencylevel) { |
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313 imagealphablending($this->im, true); |
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314 } |
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315 |
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316 $this->__PaintBackground(); |
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317 $this->__DrawAxis(); |
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318 |
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319 $p = 0; |
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320 foreach ($this->bar_data as $name => $value) { |
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321 $p++; |
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322 $this->__DrawBarText($p, $name); |
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323 $this->__DrawBar($p, $value); |
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324 } |
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325 |
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326 if (strlen($this->graph_title)) { |
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327 $this->__AllocateColor("im_graph_titlecolor", |
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328 $this->graph_titlecolor, |
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329 $this->graph_transparencylevel); |
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330 $this->__DrawText($this->graph_title, |
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331 floor($this->graph_width / 2), |
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332 $this->graph_borderwidth + 2, |
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333 $this->im_graph_titlecolor, |
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334 2, |
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335 1); |
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336 } |
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337 |
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338 if (strlen($file)) { |
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339 $ret = imagepng($this->im, $file); |
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340 } else { |
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341 header('Content-Type: image/png'); |
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342 imagepng($this->im); |
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343 $ret = true; |
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344 } |
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345 imagedestroy($this->im); |
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346 return $ret; |
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347 } |
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348 |
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349 /** |
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350 * GraphMaker::PaintBackground() |
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351 * Draw all the graph: bg, axis, bars, text.. and output it |
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352 * Optional file parameter turns output to file, and bool on success |
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353 **/ |
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354 function __PaintBackground() { |
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355 $this->__AllocateColor("im_graph_bgcolor", |
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356 $this->graph_bgcolor, |
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357 0); |
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358 imagefilledrectangle($this->im, |
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359 0, |
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360 0, |
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361 $this->graph_width, |
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362 $this->graph_height, |
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363 $this->im_graph_bgcolor); |
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364 if ($this->graph_bgtransparent) { |
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365 imagecolortransparent($this->im, $this->im_graph_bgcolor); |
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366 } |
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367 if ($this->graph_borderwidth) { |
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368 $this->__AllocateColor("im_graph_bordercolor", |
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369 $this->graph_bordercolor, |
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370 $this->graph_transparencylevel); |
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371 for ($i = 0; $i < $this->graph_borderwidth; $i++) { |
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372 imagerectangle($this->im, |
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373 $i, |
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374 $i, |
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375 $this->graph_width - 1 - $i, |
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376 $this->graph_height - 1 - $i, |
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377 $this->im_graph_bordercolor); |
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378 } |
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379 } |
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380 } |
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381 |
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382 /** |
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383 * GraphMaker::__DrawAxis() |
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384 * Draws all the axis stuff (and scale steps) |
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385 **/ |
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386 function __DrawAxis() { |
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387 $this->__AllocateColor("im_axis_bordercolor", |
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388 $this->axis_bordercolor, |
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389 $this->graph_transparencylevel); |
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390 $this->__AllocateColor("im_axis_bgcolor", |
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391 $this->axis_bgcolor, |
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392 $this->graph_transparencylevel); |
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393 $this->__DrawPolygon($this->graph_padding['left'], $this->graph_height - $this->graph_padding['bottom'], |
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394 $this->graph_padding['left'], $this->graph_padding['top'], |
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395 $this->graph_padding['left'] + $this->bar_height - 1, $this->graph_padding['top'] - $this->bar_height + 1, |
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396 $this->graph_padding['left'] + $this->bar_height - 1, $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height + 1, |
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397 $this->im_axis_bgcolor, true); |
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398 $this->__DrawPolygon($this->graph_padding['left'], $this->graph_height - $this->graph_padding['bottom'], |
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399 $this->graph_padding['left'], $this->graph_padding['top'], |
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400 $this->graph_padding['left'] + $this->bar_height - 1, $this->graph_padding['top'] - $this->bar_height + 1, |
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401 $this->graph_padding['left'] + $this->bar_height - 1, $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height + 1, |
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402 $this->im_axis_bordercolor); |
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403 |
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404 $this->__DrawPolygon($this->graph_padding['left'], $this->graph_height - $this->graph_padding['bottom'], |
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405 $this->graph_padding['left'] + $this->bar_height - 1, $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height + 1, |
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406 $this->graph_width - $this->graph_padding['right'] + $this->bar_height - 1, $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height + 1, |
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407 $this->graph_width - $this->graph_padding['right'], $this->graph_height - $this->graph_padding['bottom'], |
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408 $this->im_axis_bgcolor, true); |
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409 $this->__DrawPolygon($this->graph_padding['left'], $this->graph_height - $this->graph_padding['bottom'], |
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410 $this->graph_padding['left'] + $this->bar_height - 1, $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height + 1, |
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411 $this->graph_width - $this->graph_padding['right'] + $this->bar_height - 1, $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height + 1, |
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412 $this->graph_width - $this->graph_padding['right'], $this->graph_height - $this->graph_padding['bottom'], |
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413 $this->im_axis_bordercolor); |
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414 |
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415 // draw lines that separate bars |
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416 $total_bars = count($this->bar_data); |
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417 for ($i = 1; $i < $total_bars; $i++) { |
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418 $offset = $this->graph_padding['left'] + |
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419 (($this->bar_width + ($this->bar_padding * 2)) * $i); |
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420 imageline($this->im, |
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421 $offset, |
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422 $this->graph_height - $this->graph_padding['bottom'], |
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423 $offset + $this->bar_height - 1, |
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424 $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height + 1, |
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425 $this->im_axis_bordercolor); |
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426 } |
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427 |
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428 // draw scale steps |
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429 $max_value = $this->__GetMaxGraphValue(); |
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430 if (($max_value % 10) > 0) { |
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431 $max_value = $max_value + (10 - ($max_value % 10)); |
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432 } |
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433 $this->axis_max = $max_value; |
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434 $y = 0; |
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435 $style = array($this->im_axis_bordercolor, $this->im_graph_bgcolor); |
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436 imagesetstyle($this->im, $style); |
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437 while ($y <= $max_value) { |
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438 if ($max_value == 0) { $max_value=1; } // corrected by Marcelo Trenkenchu |
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439 $offset = floor($this->graph_height - $this->graph_padding['bottom'] - |
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440 ($y * $this->graph_areaheight / $max_value)); |
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441 imageline($this->im, |
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442 $this->graph_padding['left'], |
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443 $offset, |
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444 $this->graph_padding['left'] + $this->bar_height - 1, |
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445 $offset - $this->bar_height + 1, |
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446 $this->im_axis_bordercolor); |
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447 $this->__DrawText($y, |
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448 $this->graph_padding['left'], |
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449 $offset, |
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450 $this->im_axis_bordercolor, |
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451 1, |
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452 2, |
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453 1); |
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454 // gridline |
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455 if ($y > 0) { |
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456 imageline($this->im, |
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457 $this->graph_padding['left'] + $this->bar_height, |
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458 $offset - $this->bar_height + 1, |
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459 $this->graph_width - $this->graph_padding['right'] + $this->bar_height - 1, |
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460 $offset - $this->bar_height + 1, |
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461 IMG_COLOR_STYLED); |
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462 } |
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463 $y += $this->axis_step; |
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464 } |
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465 |
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466 imageline($this->im, |
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467 $this->graph_width - $this->graph_padding['right'] + $this->bar_height - 1, |
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468 $this->graph_padding['top'] - $this->bar_height + 1, |
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469 $this->graph_width - $this->graph_padding['right'] + $this->bar_height - 1, |
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470 $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height, |
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471 IMG_COLOR_STYLED); |
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472 } |
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473 |
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474 /** |
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475 * GraphMaker::__DrawText() |
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476 * Draws text on image with color, size and alignment options |
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477 **/ |
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478 function __DrawText($text, $x, $y, $color, $size = 1, $align = 0, $valign = 0) { |
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479 /* |
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480 * Align: 0=left | 1=center | 2=right |
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481 */ |
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482 if ($align == 1) $x -= floor(strlen($text) * imagefontwidth($size) / 2); |
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483 elseif ($align == 2) $x -= (strlen($text) * imagefontwidth($size)); |
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484 if ($valign == 1) $y -= floor(imagefontheight($size) / 2); |
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485 elseif ($valign == 2) $y -= imagefontheight($size); |
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486 imagestring($this->im, |
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487 $size, |
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488 $x, |
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489 $y, |
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490 $text, |
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491 $color); |
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492 } |
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493 |
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494 /** |
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495 * GraphMaker::__GetMaxGraphValue() |
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496 * Returns max bar value |
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497 **/ |
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498 function __GetMaxGraphValue() { |
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499 $max_value = 0; |
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500 foreach ($this->bar_data as $name => $value) { |
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501 if ($value > $max_value) $max_value = $value; |
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502 } |
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503 return $max_value; |
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504 } |
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505 |
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506 /** |
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507 * GraphMaker::__DrawBarText() |
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508 * Determines top and left to draw text to a choosen bar |
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509 **/ |
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510 function __DrawBarText($bar, $text) { |
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511 $this->__DrawText($text, |
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512 $this->graph_padding['left'] + (($this->bar_width + ($this->bar_padding * 2)) * ($bar - 0.5)), |
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513 $this->graph_height - $this->graph_padding['bottom'] + 1, |
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514 $this->axis_bordercolor, |
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515 1, |
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516 1); |
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517 } |
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518 |
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519 /** |
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520 * GraphMaker::__DrawBar() |
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521 * Draws a choosen bar with it's value |
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522 **/ |
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523 function __DrawBar($bar, $value) { |
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524 $x = $this->graph_padding['left'] + |
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525 (($this->bar_width + ($this->bar_padding * 2)) * ($bar - 1)) + |
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526 $this->bar_padding; |
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527 if ($this->axis_max == 0) { $this->axis_max = 1; } // corrected by Marcelo Trenkenchu |
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528 $y = $value * $this->graph_areaheight / $this->axis_max; |
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529 $this->____DrawBar($x, |
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530 $this->graph_height - $this->graph_padding['bottom'] - $y, |
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531 $x + $this->bar_width, |
|
532 $this->graph_height - $this->graph_padding['bottom']); |
|
533 } |
|
534 |
|
535 /** |
|
536 * GraphMaker::____DrawBar() |
|
537 * Draws the actual rectangles that form a bar |
|
538 **/ |
|
539 function ____DrawBar($x1, $y1, $x2, $y2) { |
|
540 $this->__AllocateColor("im_bar_bordercolor", |
|
541 $this->bar_bordercolor, |
|
542 $this->graph_transparencylevel); |
|
543 $this->__AllocateColor("im_bar_bgcolor", |
|
544 $this->bar_bgcolor, |
|
545 $this->graph_transparencylevel); |
|
546 $this->__DrawPolygon($x1, $y1, |
|
547 $x2, $y1, |
|
548 $x2, $y2, |
|
549 $x1, $y2, |
|
550 $this->im_bar_bgcolor, true); |
|
551 $this->__DrawPolygon($x1, $y1, |
|
552 $x2, $y1, |
|
553 $x2, $y2, |
|
554 $x1, $y2, |
|
555 $this->im_bar_bordercolor); |
|
556 $this->__DrawPolygon($x1, $y1, |
|
557 $x2, $y1, |
|
558 $x2 + $this->bar_height - 1, $y1 - $this->bar_height + 1, |
|
559 $x1 + $this->bar_height - 1, $y1 - $this->bar_height + 1, |
|
560 $this->im_bar_bgcolor, true); |
|
561 $this->__DrawPolygon($x1, $y1, |
|
562 $x2, $y1, |
|
563 $x2 + $this->bar_height - 1, $y1 - $this->bar_height + 1, |
|
564 $x1 + $this->bar_height - 1, $y1 - $this->bar_height + 1, |
|
565 $this->im_bar_bordercolor); |
|
566 $this->__DrawPolygon($x2, $y2, |
|
567 $x2, $y1, |
|
568 $x2 + $this->bar_height - 1, $y1 - $this->bar_height + 1, |
|
569 $x2 + $this->bar_height - 1, $y2 - $this->bar_height + 1, |
|
570 $this->im_bar_bgcolor, true); |
|
571 $this->__DrawPolygon($x2, $y2, |
|
572 $x2, $y1, |
|
573 $x2 + $this->bar_height - 1, $y1 - $this->bar_height + 1, |
|
574 $x2 + $this->bar_height - 1, $y2 - $this->bar_height + 1, |
|
575 $this->im_bar_bordercolor); |
|
576 } |
|
577 |
|
578 /** |
|
579 * GraphMaker::__DrawPolygon() |
|
580 * Draws a (filled) (ir)regular polygon |
|
581 **/ |
|
582 function __DrawPolygon($x1, $y1, $x2, $y2, $x3, $y3, $x4, $y4, $color, $filled = false) { |
|
583 if ($filled) { |
|
584 imagefilledpolygon($this->im, array($x1, $y1, $x2, $y2, $x3, $y3, $x4, $y4), 4, $color); |
|
585 } else { |
|
586 imagepolygon($this->im, array($x1, $y1, $x2, $y2, $x3, $y3, $x4, $y4), 4, $color); |
|
587 } |
|
588 } |
|
589 |
|
590 /** |
|
591 * GraphMaker::__LoadGraphDefinitions() |
|
592 * Loads definitions to a graph from text lines (normaly |
|
593 * they come from a file). This function is called by |
|
594 * GraphMaker::LoadGraph() |
|
595 **/ |
|
596 function __LoadGraphDefinitions($text) { |
|
597 $text = preg_split("/\r?\n/", $text); |
|
598 $data = array(); |
|
599 $section = ''; |
|
600 for ($i = 0; $i < count($text); $i++) { |
|
601 if (preg_match("/^\s*#/", $text[$i])) { |
|
602 //ignore.. it's just a comment |
|
603 } elseif (preg_match("/^\s*\}\s*/", $text[$i])) { |
|
604 $section = ''; |
|
605 } elseif (preg_match("/^\s*(\w+)\s*\{\s*$/", $text[$i], $r)) { |
|
606 $section = $r[1]; |
|
607 } else { |
|
608 $p = strpos($text[$i], "="); |
|
609 if ($p !== false) { |
|
610 $data[$section][trim(substr($text[$i], 0, $p))] = trim(substr($text[$i], $p + 1)); |
|
611 } |
|
612 } |
|
613 } |
|
614 if (is_array($data['graph'])) { |
|
615 $this->__LoadGraphValues($data['graph']); |
|
616 } |
|
617 if (is_array($data['bar'])) { |
|
618 $this->__LoadBarValues($data['bar']); |
|
619 } |
|
620 if (is_array($data['axis'])) { |
|
621 $this->__LoadAxisValues($data['axis']); |
|
622 } |
|
623 if (is_array($data['data'])) { |
|
624 $this->bar_data = $data['data']; |
|
625 } |
|
626 } |
|
627 |
|
628 /** |
|
629 * GraphMaker::__LoadGraphValues() |
|
630 * Loads definitions to main graph settings |
|
631 **/ |
|
632 function __LoadGraphValues($data) { |
|
633 foreach ($data as $name => $value) { |
|
634 $name = strtolower($name); |
|
635 switch ($name) { |
|
636 case 'background-color': |
|
637 $this->__SetColorToValue("graph_bgcolor", $value); |
|
638 break; |
|
639 case 'border-color': |
|
640 $this->__SetColorToValue("graph_bordercolor", $value); |
|
641 break; |
|
642 case 'title-color': |
|
643 $this->__SetColorToValue("graph_titlecolor", $value); |
|
644 break; |
|
645 case 'background-transparent': |
|
646 $this->graph_bgtransparent = ($value == 1 || $value == 'yes' ? 1 : 0); |
|
647 break; |
|
648 case 'transparency': |
|
649 $this->SetGraphTransparency(str_replace('%', '', $value)); |
|
650 break; |
|
651 case 'title': |
|
652 $this->graph_title = $value; |
|
653 break; |
|
654 case 'border-width': |
|
655 $this->graph_borderwidth = (int) $value; |
|
656 break; |
|
657 case 'area-height': |
|
658 $this->graph_areaheight = (int) $value; |
|
659 break; |
|
660 default: |
|
661 if (substr($name, 0, 8) == 'padding-' && strlen($name) > 8) { |
|
662 $this->graph_padding[substr($name, 8)] = $value; |
|
663 } |
|
664 } |
|
665 } |
|
666 } |
|
667 |
|
668 /** |
|
669 * GraphMaker::__LoadBarValues() |
|
670 * Loads definitions to bar settings |
|
671 **/ |
|
672 function __LoadBarValues($data) { |
|
673 foreach ($data as $name => $value) { |
|
674 $name = strtolower($name); |
|
675 switch ($name) { |
|
676 case 'background-color': |
|
677 $this->__SetColorToValue("bar_bgcolor", $value); |
|
678 break; |
|
679 case 'border-color': |
|
680 $this->__SetColorToValue("bar_bordercolor", $value); |
|
681 break; |
|
682 case 'padding': |
|
683 $this->bar_padding = $value; |
|
684 break; |
|
685 case 'width': |
|
686 $this->bar_width = (int) $value; |
|
687 break; |
|
688 case 'height': |
|
689 $this->bar_height = (int) $value; |
|
690 break; |
|
691 } |
|
692 } |
|
693 } |
|
694 |
|
695 /** |
|
696 * GraphMaker::__LoadAxisValues() |
|
697 * Loads definitions to axis settings |
|
698 **/ |
|
699 function __LoadAxisValues($data) { |
|
700 foreach ($data as $name => $value) { |
|
701 switch (strtolower($name)) { |
|
702 case 'step': |
|
703 $this->SetAxisStep($value); |
|
704 break; |
|
705 case 'background-color': |
|
706 $this->__SetColorToValue("axis_bgcolor", $value); |
|
707 break; |
|
708 case 'border-color': |
|
709 $this->__SetColorToValue("axis_bordercolor", $value); |
|
710 } |
|
711 } |
|
712 } |
|
713 |
|
714 /** |
|
715 * GraphMaker::__SetColorToValue() |
|
716 * Sets a color (rgb or in html format) to a variable |
|
717 **/ |
|
718 function __SetColorToValue($varname, $color) { |
|
719 if ($color[0] == "#") { // if it's hex (html format), change to rgb array |
|
720 if (strlen($color) == 4) { |
|
721 // if only 3 hex values (I assume it's a shade of grey: #ddd) |
|
722 $color .= substr($color, -3); |
|
723 } |
|
724 $color = array(hexdec($color[1].$color[2]), |
|
725 hexdec($color[3].$color[4]), |
|
726 hexdec($color[5].$color[6])); |
|
727 } |
|
728 $this->$varname = $color; |
|
729 } |
|
730 |
|
731 function __AllocateColor($varname, $color, $alpha) { |
|
732 $this->$varname = imagecolorallocatealpha($this->im, |
|
733 $color[0], |
|
734 $color[1], |
|
735 $color[2], |
|
736 $alpha); |
|
737 } |
|
738 } |
|
739 |
|
740 // Graph Generator for PHP |
|
741 // Originally located at http://szewo.com/php/graph, but link was broken, so this file was retrieved from: |
|
742 // http://web.archive.org/web/20030130065944/szewo.com/php/graph/graph.class.php3.txt |
|
743 // License unknown |
|
744 |
|
745 class GraphMaker_compat { |
|
746 var $_values; |
|
747 var $_ShowLabels; |
|
748 var $_ShowCounts; |
|
749 var $_ShowCountsMode; |
|
750 |
|
751 var $_BarWidth; |
|
752 var $_GraphWidth; |
|
753 var $_BarImg; |
|
754 var $_BarBorderWidth; |
|
755 var $_BarBorderColor; |
|
756 var $_RowSortMode; |
|
757 var $_TDClassHead; |
|
758 var $_TDClassLabel; |
|
759 var $_TDClassCount; |
|
760 var $_GraphTitle; |
|
761 |
|
762 function __construct() { |
|
763 $this->_values = array(); |
|
764 $this->_ShowLabels = true; |
|
765 $this->_BarWidth = 16; |
|
766 $this->_GraphWidth = 360; |
|
767 $this->_BarImg = "NULL"; |
|
768 $this->_BarBorderWidth = 0; |
|
769 $this->_BarBorderColor = "red"; |
|
770 $this->_ShowCountsMode = 2; |
|
771 $this->_RowSortMode = 1; |
|
772 $this->_TDClassHead = "grphh"; |
|
773 $this->_TDClassLabel = "grph"; |
|
774 $this->_TDClassCount = "grphc"; |
|
775 $this->_GraphTitle="Graph title"; |
|
776 } |
|
777 |
|
778 function GraphMaker_compat() { |
|
779 $this->__construct(); |
|
780 } |
|
781 |
|
782 function SetBarBorderWidth($width) { |
|
783 $this->_BarBorderWidth = $width; |
|
784 } |
|
785 function SetBorderColor($color) { |
|
786 $this->_BarBorderColor = $color; |
|
787 } |
|
788 |
|
789 // mode = 1 labels asc, 2 label desc |
|
790 function SetSortMode($mode) { |
|
791 switch ($mode) { |
|
792 case 1: |
|
793 asort($this->_values); |
|
794 break; |
|
795 case 2: |
|
796 arsort($this->_values); |
|
797 break; |
|
798 default: |
|
799 break; |
|
800 } |
|
801 |
|
802 } |
|
803 |
|
804 function AddValue($labelName, $theValue) { |
|
805 array_push($this->_values, array("label" => $labelName, "value" => $theValue)); |
|
806 |
|
807 } |
|
808 function SetBarWidth($width) { |
|
809 $this->_BarWidth = $width; |
|
810 } |
|
811 function SetBarImg($img) { |
|
812 $this->_BarImg = $img; |
|
813 } |
|
814 function SetShowLabels($lables) { |
|
815 $this->_ShowLabels = $labels; |
|
816 } |
|
817 function SetGraphWidth($width) { |
|
818 $this->_GraphWidth = $width; |
|
819 } |
|
820 function SetGraphTitle($title) { |
|
821 $this->_GraphTitle = $title; |
|
822 } |
|
823 //mode = percentage or counts |
|
824 function SetShowCountsMode($mode) { |
|
825 $this->_ShowCountsMode = $mode; |
|
826 } |
|
827 //mode = none(0) label(1) or count(2) |
|
828 function SetRowSortMode($sortmode) { |
|
829 $this->_RowSortMode = $sortmode; |
|
830 } |
|
831 |
|
832 function SetTDClassHead($class) { |
|
833 $this->_TDClassHead = $class; |
|
834 } |
|
835 function SetTDClassLabel($class) { |
|
836 $this->_TDClassLabel = $class; |
|
837 } |
|
838 function SetTDClassCount($class) { |
|
839 $this->_TDClassCount = $class; |
|
840 } |
|
841 function GetMaxVal() { |
|
842 $maxval = 0; |
|
843 foreach($this->_values as $value) if($maxval<$value["value"]) $maxval = $value["value"]; |
|
844 return $maxval; |
|
845 } |
|
846 function BarGraphVert() { |
|
847 $maxval = $this->GetMaxVal(); |
|
848 foreach($this->_values as $value) $sumval += $value["value"]; |
|
849 $this->SetSortMode($this->_RowSortMode); |
|
850 echo "<table>"; |
|
851 if (strlen($this->_GraphTitle)>0) echo "<tr><td colspan=".count($this->_values)." class=\"".$this->_TDClassHead."\">".$this->_GraphTitle."</td></tr>"; |
|
852 echo "<tr>"; |
|
853 foreach($this->_values as $value) { |
|
854 echo "<td valign=bottom align=center>"; |
|
855 $height = $this->_BarWidth; |
|
856 $width=ceil($value["value"]*$this->_GraphWidth/$maxval); |
|
857 echo "<div "; |
|
858 echo " style=\"background-color: #666666; border: ".$this->_BarBorderWidth."px solid ".$this->_BarBorderColor."\""; |
|
859 echo ">"; |
|
860 echo "</td>"; |
|
861 } |
|
862 echo "</tr>"; |
|
863 if ($this->_ShowCountsMode>0) { |
|
864 echo "<tr>"; |
|
865 foreach($this->_values as $value) { |
|
866 switch ($this->_ShowCountsMode) { |
|
867 case 1: |
|
868 $count = round(100*$value["value"]/$sumval)."%"; |
|
869 break; |
|
870 case 2: |
|
871 $count = $value["value"]; |
|
872 break; /* Exit the switch and the while. */ |
|
873 default: |
|
874 break; |
|
875 } |
|
876 echo "<td align=center class=".$this->_TDClassCount.">$count</td>"; |
|
877 } |
|
878 echo "</tr>"; |
|
879 } |
|
880 |
|
881 if ($this->_ShowLabels) { |
|
882 echo "<tr>"; |
|
883 foreach($this->_values as $value) { |
|
884 echo "<td align=center class=".$this->_TDClassLabel; |
|
885 echo ">".$value["label"]."</td>"; |
|
886 } |
|
887 echo "</tr>"; |
|
888 } |
|
889 |
|
890 echo "</table>"; |
|
891 } |
|
892 |
|
893 |
|
894 |
|
895 function BarGraphHoriz() { |
|
896 $maxval = $this->GetMaxVal(); |
|
897 foreach($this->_values as $value) $sumval += $value["value"]; |
|
898 $this->SetSortMode($this->_RowSortMode); |
|
899 echo "<table border=0>"; |
|
900 if (strlen($this->_GraphTitle)>0) { |
|
901 echo "<tr><td "; |
|
902 if ($this->_ShowCountsMode>0) echo " colspan=2"; |
|
903 echo " class=\"".$this->_TDClassHead."\">".$this->_GraphTitle."</TD></TR>"; |
|
904 } |
|
905 foreach($this->_values as $value) { |
|
906 if ($this->_ShowLabels) { |
|
907 echo "<tr>"; |
|
908 echo "<td class=".$this->_TDClassLabel; |
|
909 if ($this->_ShowCountsMode>0) echo " colspan=2"; |
|
910 echo ">".$value["label"]."</TD></TR>"; |
|
911 } |
|
912 echo "<tr>"; |
|
913 if ($this->_ShowCountsMode>0) { |
|
914 switch ($this->_ShowCountsMode) { |
|
915 case 1: |
|
916 $count = round(100*$value["value"]/$sumval)."%"; |
|
917 break; |
|
918 case 2: |
|
919 $count = $value["value"]; |
|
920 break; /* Exit the switch and the while. */ |
|
921 default: |
|
922 break; |
|
923 } |
|
924 echo "<td class=".$this->_TDClassCount.">$count</TD>"; |
|
925 } |
|
926 echo "<td>"; |
|
927 $height = $this->_BarWidth; |
|
928 $width=ceil($value["value"]*$this->_GraphWidth/$maxval); |
|
929 echo "<img SRC=\"".$this->_BarImg."\" height=$height width=$width "; |
|
930 echo " style=\"border: ".$this->_BarBorderWidth."px solid ".$this->_BarBorderColor."\""; |
|
931 echo ">"; |
|
932 echo "</TD></TR>"; |
|
933 } |
|
934 echo "</TABLE>"; |
|
935 } |
|
936 } |
|
937 |