1 | <?php |
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2 | //======================================================================= |
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3 | // File: JPGRAPH_THEME.INC.PHP |
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4 | // Description: Class to define graph theme |
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5 | // Created: 2010-09-29 |
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6 | // Ver: $Id: jpgraph_theme.inc.php 83 2010-10-01 11:24:19Z atsushi $ |
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7 | // |
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8 | // Copyright (c) Asial Corporation. All rights reserved. |
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9 | //======================================================================== |
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10 | |
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11 | |
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12 | // include Theme classes |
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13 | foreach (glob(dirname(__FILE__) . '/themes/*.php') as $theme_class_script) { |
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14 | require_once($theme_class_script); |
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15 | } |
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16 | |
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17 | //=================================================== |
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18 | // CLASS |
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19 | // Description: |
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20 | //=================================================== |
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21 | abstract class Theme { |
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22 | protected $color_index; |
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23 | |
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24 | function __construct() { |
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25 | $this->color_index = 0; |
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26 | } |
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27 | /** |
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28 | * |
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29 | */ |
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30 | abstract function GetColorList(); |
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31 | |
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32 | /** |
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33 | * |
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34 | */ |
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35 | abstract function ApplyPlot($plot); |
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36 | |
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37 | |
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38 | /** |
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39 | * |
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40 | */ |
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41 | function SetupPlot($plot) { |
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42 | if (is_array($plot)) { |
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43 | foreach ($plot as $obj) { |
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44 | $this->ApplyPlot($obj); |
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45 | } |
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46 | } else { |
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47 | $this->ApplyPlot($plot); |
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48 | } |
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49 | } |
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50 | |
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51 | /** |
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52 | * |
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53 | */ |
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54 | function ApplyGraph($graph) { |
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55 | |
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56 | $this->graph = $graph; |
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57 | $method_name = ''; |
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58 | |
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59 | if (get_class($graph) == 'Graph') { |
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60 | $method_name = 'SetupGraph'; |
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61 | } else { |
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62 | $method_name = 'Setup' . get_class($graph); |
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63 | } |
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64 | |
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65 | if (method_exists($this, $method_name)) { |
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66 | $this->$method_name($graph); |
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67 | } else { |
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68 | JpGraphError::RaiseL(30001, $method_name, $method_name); //Theme::%s() is not defined. \nPlease make %s(\$graph) function in your theme classs. |
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69 | } |
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70 | } |
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71 | |
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72 | /** |
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73 | * |
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74 | */ |
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75 | function PreStrokeApply($graph) { |
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76 | } |
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77 | |
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78 | /** |
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79 | * |
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80 | */ |
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81 | function GetThemeColors($num = 30) { |
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82 | $result_list = array(); |
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83 | |
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84 | $old_index = $this->color_index; |
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85 | $this->color_index = 0; |
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86 | $count = 0; |
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87 | |
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88 | $i = 0; |
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89 | while (true) { |
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90 | for ($j = 0; $j < count($this->GetColorList()); $j++) { |
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91 | if (++$count > $num) { |
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92 | break 2; |
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93 | } |
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94 | $result_list[] = $this->GetNextColor(); |
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95 | } |
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96 | $i++; |
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97 | } |
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98 | |
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99 | $this->color_index = $old_index; |
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100 | |
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101 | return $result_list; |
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102 | } |
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103 | |
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104 | /** |
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105 | * |
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106 | */ |
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107 | function GetNextColor() { |
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108 | $color_list = $this->GetColorList(); |
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109 | |
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110 | $color = null; |
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111 | if (isset($color_list[$this->color_index])) { |
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112 | $color = $color_list[$this->color_index]; |
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113 | } else { |
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114 | $color_count = count($color_list); |
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115 | if ($color_count <= $this->color_index) { |
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116 | $color_tmp = $color_list[$this->color_index % $color_count]; |
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117 | $brightness = 1.0 - intval($this->color_index / $color_count) * 0.2; |
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118 | $rgb = new RGB(); |
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119 | $color = $color_tmp . ':' . $brightness; |
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120 | $color = $rgb->Color($color); |
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121 | $alpha = array_pop($color); |
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122 | $color = $rgb->tryHexConversion($color); |
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123 | if ($alpha) { |
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124 | $color .= '@' . $alpha; |
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125 | } |
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126 | } |
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127 | } |
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128 | |
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129 | $this->color_index++; |
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130 | |
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131 | return $color; |
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132 | } |
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133 | |
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134 | } // Class |
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135 | |
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136 | ?> |
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