[42] | 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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