| 1 | <?php
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| 2 | //=======================================================================
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| 3 | // File: JPGRAPH_RGB.INC.PHP
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| 4 | // Description: Class to handle RGb color space specification and
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| 5 | // named colors
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| 6 | // Created: 2001-01-08 (Refactored to separate file 2008-08-01)
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| 7 | // Ver: $Id: jpgraph_rgb.inc.php 1049 2008-08-01 19:58:07Z ljp $
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| 8 | //
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| 9 | // Copyright (c) Aditus Consulting. All rights reserved.
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| 10 | //========================================================================
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| 11 |
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| 12 |
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| 13 | //===================================================
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| 14 | // CLASS RGB
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| 15 | // Description: Color definitions as RGB triples
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| 16 | //===================================================
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| 17 | class RGB {
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| 18 | public $rgb_table;
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| 19 | public $img;
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| 20 |
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| 21 | function RGB($aImg=null) {
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| 22 | $this->img = $aImg;
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| 23 |
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| 24 | // Conversion array between color names and RGB
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| 25 | $this->rgb_table = array(
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| 26 | "aqua"=> array(0,255,255),
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| 27 | "lime"=> array(0,255,0),
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| 28 | "teal"=> array(0,128,128),
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| 29 | "whitesmoke"=>array(245,245,245),
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| 30 | "gainsboro"=>array(220,220,220),
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| 31 | "oldlace"=>array(253,245,230),
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| 32 | "linen"=>array(250,240,230),
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| 33 | "antiquewhite"=>array(250,235,215),
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| 34 | "papayawhip"=>array(255,239,213),
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| 35 | "blanchedalmond"=>array(255,235,205),
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| 36 | "bisque"=>array(255,228,196),
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| 37 | "peachpuff"=>array(255,218,185),
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| 38 | "navajowhite"=>array(255,222,173),
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| 39 | "moccasin"=>array(255,228,181),
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| 40 | "cornsilk"=>array(255,248,220),
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| 41 | "ivory"=>array(255,255,240),
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| 42 | "lemonchiffon"=>array(255,250,205),
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| 43 | "seashell"=>array(255,245,238),
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| 44 | "mintcream"=>array(245,255,250),
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| 45 | "azure"=>array(240,255,255),
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| 46 | "aliceblue"=>array(240,248,255),
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| 47 | "lavender"=>array(230,230,250),
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| 48 | "lavenderblush"=>array(255,240,245),
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| 49 | "mistyrose"=>array(255,228,225),
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| 50 | "white"=>array(255,255,255),
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| 51 | "black"=>array(0,0,0),
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| 52 | "darkslategray"=>array(47,79,79),
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| 53 | "dimgray"=>array(105,105,105),
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| 54 | "slategray"=>array(112,128,144),
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| 55 | "lightslategray"=>array(119,136,153),
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| 56 | "gray"=>array(190,190,190),
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| 57 | "lightgray"=>array(211,211,211),
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| 58 | "midnightblue"=>array(25,25,112),
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| 59 | "navy"=>array(0,0,128),
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| 60 | "cornflowerblue"=>array(100,149,237),
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| 61 | "darkslateblue"=>array(72,61,139),
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| 62 | "slateblue"=>array(106,90,205),
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| 63 | "mediumslateblue"=>array(123,104,238),
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| 64 | "lightslateblue"=>array(132,112,255),
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| 65 | "mediumblue"=>array(0,0,205),
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| 66 | "royalblue"=>array(65,105,225),
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| 67 | "blue"=>array(0,0,255),
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| 68 | "dodgerblue"=>array(30,144,255),
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| 69 | "deepskyblue"=>array(0,191,255),
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| 70 | "skyblue"=>array(135,206,235),
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| 71 | "lightskyblue"=>array(135,206,250),
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| 72 | "steelblue"=>array(70,130,180),
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| 73 | "lightred"=>array(211,167,168),
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| 74 | "lightsteelblue"=>array(176,196,222),
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| 75 | "lightblue"=>array(173,216,230),
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| 76 | "powderblue"=>array(176,224,230),
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| 77 | "paleturquoise"=>array(175,238,238),
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| 78 | "darkturquoise"=>array(0,206,209),
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| 79 | "mediumturquoise"=>array(72,209,204),
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| 80 | "turquoise"=>array(64,224,208),
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| 81 | "cyan"=>array(0,255,255),
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| 82 | "lightcyan"=>array(224,255,255),
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| 83 | "cadetblue"=>array(95,158,160),
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| 84 | "mediumaquamarine"=>array(102,205,170),
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| 85 | "aquamarine"=>array(127,255,212),
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| 86 | "darkgreen"=>array(0,100,0),
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| 87 | "darkolivegreen"=>array(85,107,47),
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| 88 | "darkseagreen"=>array(143,188,143),
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| 89 | "seagreen"=>array(46,139,87),
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| 90 | "mediumseagreen"=>array(60,179,113),
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| 91 | "lightseagreen"=>array(32,178,170),
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| 92 | "palegreen"=>array(152,251,152),
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| 93 | "springgreen"=>array(0,255,127),
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| 94 | "lawngreen"=>array(124,252,0),
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| 95 | "green"=>array(0,255,0),
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| 96 | "chartreuse"=>array(127,255,0),
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| 97 | "mediumspringgreen"=>array(0,250,154),
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| 98 | "greenyellow"=>array(173,255,47),
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| 99 | "limegreen"=>array(50,205,50),
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| 100 | "yellowgreen"=>array(154,205,50),
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| 101 | "forestgreen"=>array(34,139,34),
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| 102 | "olivedrab"=>array(107,142,35),
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| 103 | "darkkhaki"=>array(189,183,107),
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| 104 | "khaki"=>array(240,230,140),
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| 105 | "palegoldenrod"=>array(238,232,170),
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| 106 | "lightgoldenrodyellow"=>array(250,250,210),
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| 107 | "lightyellow"=>array(255,255,200),
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| 108 | "yellow"=>array(255,255,0),
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| 109 | "gold"=>array(255,215,0),
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| 110 | "lightgoldenrod"=>array(238,221,130),
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| 111 | "goldenrod"=>array(218,165,32),
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| 112 | "darkgoldenrod"=>array(184,134,11),
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| 113 | "rosybrown"=>array(188,143,143),
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| 114 | "indianred"=>array(205,92,92),
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| 115 | "saddlebrown"=>array(139,69,19),
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| 116 | "sienna"=>array(160,82,45),
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| 117 | "peru"=>array(205,133,63),
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| 118 | "burlywood"=>array(222,184,135),
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| 119 | "beige"=>array(245,245,220),
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| 120 | "wheat"=>array(245,222,179),
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| 121 | "sandybrown"=>array(244,164,96),
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| 122 | "tan"=>array(210,180,140),
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| 123 | "chocolate"=>array(210,105,30),
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| 124 | "firebrick"=>array(178,34,34),
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| 125 | "brown"=>array(165,42,42),
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| 126 | "darksalmon"=>array(233,150,122),
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| 127 | "salmon"=>array(250,128,114),
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| 128 | "lightsalmon"=>array(255,160,122),
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| 129 | "orange"=>array(255,165,0),
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| 130 | "darkorange"=>array(255,140,0),
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| 131 | "coral"=>array(255,127,80),
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| 132 | "lightcoral"=>array(240,128,128),
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| 133 | "tomato"=>array(255,99,71),
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| 134 | "orangered"=>array(255,69,0),
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| 135 | "red"=>array(255,0,0),
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| 136 | "hotpink"=>array(255,105,180),
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| 137 | "deeppink"=>array(255,20,147),
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| 138 | "pink"=>array(255,192,203),
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| 139 | "lightpink"=>array(255,182,193),
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| 140 | "palevioletred"=>array(219,112,147),
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| 141 | "maroon"=>array(176,48,96),
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| 142 | "mediumvioletred"=>array(199,21,133),
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| 143 | "violetred"=>array(208,32,144),
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| 144 | "magenta"=>array(255,0,255),
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| 145 | "violet"=>array(238,130,238),
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| 146 | "plum"=>array(221,160,221),
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| 147 | "orchid"=>array(218,112,214),
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| 148 | "mediumorchid"=>array(186,85,211),
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| 149 | "darkorchid"=>array(153,50,204),
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| 150 | "darkviolet"=>array(148,0,211),
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| 151 | "blueviolet"=>array(138,43,226),
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| 152 | "purple"=>array(160,32,240),
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| 153 | "mediumpurple"=>array(147,112,219),
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| 154 | "thistle"=>array(216,191,216),
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| 155 | "snow1"=>array(255,250,250),
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| 156 | "snow2"=>array(238,233,233),
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| 157 | "snow3"=>array(205,201,201),
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| 158 | "snow4"=>array(139,137,137),
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| 159 | "seashell1"=>array(255,245,238),
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| 160 | "seashell2"=>array(238,229,222),
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| 161 | "seashell3"=>array(205,197,191),
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| 162 | "seashell4"=>array(139,134,130),
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| 163 | "AntiqueWhite1"=>array(255,239,219),
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| 164 | "AntiqueWhite2"=>array(238,223,204),
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| 165 | "AntiqueWhite3"=>array(205,192,176),
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| 166 | "AntiqueWhite4"=>array(139,131,120),
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| 167 | "bisque1"=>array(255,228,196),
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| 168 | "bisque2"=>array(238,213,183),
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| 169 | "bisque3"=>array(205,183,158),
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| 170 | "bisque4"=>array(139,125,107),
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| 171 | "peachPuff1"=>array(255,218,185),
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| 172 | "peachpuff2"=>array(238,203,173),
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| 173 | "peachpuff3"=>array(205,175,149),
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| 174 | "peachpuff4"=>array(139,119,101),
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| 175 | "navajowhite1"=>array(255,222,173),
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| 176 | "navajowhite2"=>array(238,207,161),
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| 177 | "navajowhite3"=>array(205,179,139),
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| 178 | "navajowhite4"=>array(139,121,94),
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| 179 | "lemonchiffon1"=>array(255,250,205),
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| 180 | "lemonchiffon2"=>array(238,233,191),
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| 181 | "lemonchiffon3"=>array(205,201,165),
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| 182 | "lemonchiffon4"=>array(139,137,112),
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| 183 | "ivory1"=>array(255,255,240),
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| 184 | "ivory2"=>array(238,238,224),
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| 185 | "ivory3"=>array(205,205,193),
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| 186 | "ivory4"=>array(139,139,131),
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| 187 | "honeydew"=>array(193,205,193),
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| 188 | "lavenderblush1"=>array(255,240,245),
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| 189 | "lavenderblush2"=>array(238,224,229),
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| 190 | "lavenderblush3"=>array(205,193,197),
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| 191 | "lavenderblush4"=>array(139,131,134),
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| 192 | "mistyrose1"=>array(255,228,225),
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| 193 | "mistyrose2"=>array(238,213,210),
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| 194 | "mistyrose3"=>array(205,183,181),
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| 195 | "mistyrose4"=>array(139,125,123),
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| 196 | "azure1"=>array(240,255,255),
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| 197 | "azure2"=>array(224,238,238),
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| 198 | "azure3"=>array(193,205,205),
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| 199 | "azure4"=>array(131,139,139),
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| 200 | "slateblue1"=>array(131,111,255),
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| 201 | "slateblue2"=>array(122,103,238),
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| 202 | "slateblue3"=>array(105,89,205),
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| 203 | "slateblue4"=>array(71,60,139),
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| 204 | "royalblue1"=>array(72,118,255),
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| 205 | "royalblue2"=>array(67,110,238),
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| 206 | "royalblue3"=>array(58,95,205),
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| 207 | "royalblue4"=>array(39,64,139),
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| 208 | "dodgerblue1"=>array(30,144,255),
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| 209 | "dodgerblue2"=>array(28,134,238),
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| 210 | "dodgerblue3"=>array(24,116,205),
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| 211 | "dodgerblue4"=>array(16,78,139),
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| 212 | "steelblue1"=>array(99,184,255),
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| 213 | "steelblue2"=>array(92,172,238),
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| 214 | "steelblue3"=>array(79,148,205),
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| 215 | "steelblue4"=>array(54,100,139),
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| 216 | "deepskyblue1"=>array(0,191,255),
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| 217 | "deepskyblue2"=>array(0,178,238),
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| 218 | "deepskyblue3"=>array(0,154,205),
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| 219 | "deepskyblue4"=>array(0,104,139),
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| 220 | "skyblue1"=>array(135,206,255),
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| 221 | "skyblue2"=>array(126,192,238),
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| 222 | "skyblue3"=>array(108,166,205),
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| 223 | "skyblue4"=>array(74,112,139),
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| 224 | "lightskyblue1"=>array(176,226,255),
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| 225 | "lightskyblue2"=>array(164,211,238),
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| 226 | "lightskyblue3"=>array(141,182,205),
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| 227 | "lightskyblue4"=>array(96,123,139),
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| 228 | "slategray1"=>array(198,226,255),
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| 229 | "slategray2"=>array(185,211,238),
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| 230 | "slategray3"=>array(159,182,205),
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| 231 | "slategray4"=>array(108,123,139),
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| 232 | "lightsteelblue1"=>array(202,225,255),
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| 233 | "lightsteelblue2"=>array(188,210,238),
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| 234 | "lightsteelblue3"=>array(162,181,205),
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| 235 | "lightsteelblue4"=>array(110,123,139),
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| 236 | "lightblue1"=>array(191,239,255),
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| 237 | "lightblue2"=>array(178,223,238),
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| 238 | "lightblue3"=>array(154,192,205),
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| 239 | "lightblue4"=>array(104,131,139),
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| 240 | "lightcyan1"=>array(224,255,255),
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| 241 | "lightcyan2"=>array(209,238,238),
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| 242 | "lightcyan3"=>array(180,205,205),
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| 243 | "lightcyan4"=>array(122,139,139),
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| 244 | "paleturquoise1"=>array(187,255,255),
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| 245 | "paleturquoise2"=>array(174,238,238),
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| 246 | "paleturquoise3"=>array(150,205,205),
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| 247 | "paleturquoise4"=>array(102,139,139),
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| 248 | "cadetblue1"=>array(152,245,255),
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| 249 | "cadetblue2"=>array(142,229,238),
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| 250 | "cadetblue3"=>array(122,197,205),
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| 251 | "cadetblue4"=>array(83,134,139),
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| 252 | "turquoise1"=>array(0,245,255),
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| 253 | "turquoise2"=>array(0,229,238),
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| 254 | "turquoise3"=>array(0,197,205),
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| 255 | "turquoise4"=>array(0,134,139),
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| 256 | "cyan1"=>array(0,255,255),
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| 257 | "cyan2"=>array(0,238,238),
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| 258 | "cyan3"=>array(0,205,205),
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| 259 | "cyan4"=>array(0,139,139),
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| 260 | "darkslategray1"=>array(151,255,255),
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| 261 | "darkslategray2"=>array(141,238,238),
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| 262 | "darkslategray3"=>array(121,205,205),
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| 263 | "darkslategray4"=>array(82,139,139),
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| 264 | "aquamarine1"=>array(127,255,212),
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| 265 | "aquamarine2"=>array(118,238,198),
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| 266 | "aquamarine3"=>array(102,205,170),
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| 267 | "aquamarine4"=>array(69,139,116),
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| 268 | "darkseagreen1"=>array(193,255,193),
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| 269 | "darkseagreen2"=>array(180,238,180),
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| 270 | "darkseagreen3"=>array(155,205,155),
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| 271 | "darkseagreen4"=>array(105,139,105),
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| 272 | "seagreen1"=>array(84,255,159),
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| 273 | "seagreen2"=>array(78,238,148),
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| 274 | "seagreen3"=>array(67,205,128),
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| 275 | "seagreen4"=>array(46,139,87),
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| 276 | "palegreen1"=>array(154,255,154),
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| 277 | "palegreen2"=>array(144,238,144),
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| 278 | "palegreen3"=>array(124,205,124),
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| 279 | "palegreen4"=>array(84,139,84),
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| 280 | "springgreen1"=>array(0,255,127),
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| 281 | "springgreen2"=>array(0,238,118),
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| 282 | "springgreen3"=>array(0,205,102),
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| 283 | "springgreen4"=>array(0,139,69),
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| 284 | "chartreuse1"=>array(127,255,0),
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| 285 | "chartreuse2"=>array(118,238,0),
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| 286 | "chartreuse3"=>array(102,205,0),
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| 287 | "chartreuse4"=>array(69,139,0),
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| 288 | "olivedrab1"=>array(192,255,62),
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| 289 | "olivedrab2"=>array(179,238,58),
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| 290 | "olivedrab3"=>array(154,205,50),
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| 291 | "olivedrab4"=>array(105,139,34),
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| 292 | "darkolivegreen1"=>array(202,255,112),
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| 293 | "darkolivegreen2"=>array(188,238,104),
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| 294 | "darkolivegreen3"=>array(162,205,90),
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| 295 | "darkolivegreen4"=>array(110,139,61),
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| 296 | "khaki1"=>array(255,246,143),
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| 297 | "khaki2"=>array(238,230,133),
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| 298 | "khaki3"=>array(205,198,115),
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| 299 | "khaki4"=>array(139,134,78),
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| 300 | "lightgoldenrod1"=>array(255,236,139),
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| 301 | "lightgoldenrod2"=>array(238,220,130),
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| 302 | "lightgoldenrod3"=>array(205,190,112),
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| 303 | "lightgoldenrod4"=>array(139,129,76),
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| 304 | "yellow1"=>array(255,255,0),
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| 305 | "yellow2"=>array(238,238,0),
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| 306 | "yellow3"=>array(205,205,0),
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| 307 | "yellow4"=>array(139,139,0),
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| 308 | "gold1"=>array(255,215,0),
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| 309 | "gold2"=>array(238,201,0),
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| 310 | "gold3"=>array(205,173,0),
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| 311 | "gold4"=>array(139,117,0),
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| 312 | "goldenrod1"=>array(255,193,37),
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| 313 | "goldenrod2"=>array(238,180,34),
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| 314 | "goldenrod3"=>array(205,155,29),
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| 315 | "goldenrod4"=>array(139,105,20),
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| 316 | "darkgoldenrod1"=>array(255,185,15),
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| 317 | "darkgoldenrod2"=>array(238,173,14),
|
|---|
| 318 | "darkgoldenrod3"=>array(205,149,12),
|
|---|
| 319 | "darkgoldenrod4"=>array(139,101,8),
|
|---|
| 320 | "rosybrown1"=>array(255,193,193),
|
|---|
| 321 | "rosybrown2"=>array(238,180,180),
|
|---|
| 322 | "rosybrown3"=>array(205,155,155),
|
|---|
| 323 | "rosybrown4"=>array(139,105,105),
|
|---|
| 324 | "indianred1"=>array(255,106,106),
|
|---|
| 325 | "indianred2"=>array(238,99,99),
|
|---|
| 326 | "indianred3"=>array(205,85,85),
|
|---|
| 327 | "indianred4"=>array(139,58,58),
|
|---|
| 328 | "sienna1"=>array(255,130,71),
|
|---|
| 329 | "sienna2"=>array(238,121,66),
|
|---|
| 330 | "sienna3"=>array(205,104,57),
|
|---|
| 331 | "sienna4"=>array(139,71,38),
|
|---|
| 332 | "burlywood1"=>array(255,211,155),
|
|---|
| 333 | "burlywood2"=>array(238,197,145),
|
|---|
| 334 | "burlywood3"=>array(205,170,125),
|
|---|
| 335 | "burlywood4"=>array(139,115,85),
|
|---|
| 336 | "wheat1"=>array(255,231,186),
|
|---|
| 337 | "wheat2"=>array(238,216,174),
|
|---|
| 338 | "wheat3"=>array(205,186,150),
|
|---|
| 339 | "wheat4"=>array(139,126,102),
|
|---|
| 340 | "tan1"=>array(255,165,79),
|
|---|
| 341 | "tan2"=>array(238,154,73),
|
|---|
| 342 | "tan3"=>array(205,133,63),
|
|---|
| 343 | "tan4"=>array(139,90,43),
|
|---|
| 344 | "chocolate1"=>array(255,127,36),
|
|---|
| 345 | "chocolate2"=>array(238,118,33),
|
|---|
| 346 | "chocolate3"=>array(205,102,29),
|
|---|
| 347 | "chocolate4"=>array(139,69,19),
|
|---|
| 348 | "firebrick1"=>array(255,48,48),
|
|---|
| 349 | "firebrick2"=>array(238,44,44),
|
|---|
| 350 | "firebrick3"=>array(205,38,38),
|
|---|
| 351 | "firebrick4"=>array(139,26,26),
|
|---|
| 352 | "brown1"=>array(255,64,64),
|
|---|
| 353 | "brown2"=>array(238,59,59),
|
|---|
| 354 | "brown3"=>array(205,51,51),
|
|---|
| 355 | "brown4"=>array(139,35,35),
|
|---|
| 356 | "salmon1"=>array(255,140,105),
|
|---|
| 357 | "salmon2"=>array(238,130,98),
|
|---|
| 358 | "salmon3"=>array(205,112,84),
|
|---|
| 359 | "salmon4"=>array(139,76,57),
|
|---|
| 360 | "lightsalmon1"=>array(255,160,122),
|
|---|
| 361 | "lightsalmon2"=>array(238,149,114),
|
|---|
| 362 | "lightsalmon3"=>array(205,129,98),
|
|---|
| 363 | "lightsalmon4"=>array(139,87,66),
|
|---|
| 364 | "orange1"=>array(255,165,0),
|
|---|
| 365 | "orange2"=>array(238,154,0),
|
|---|
| 366 | "orange3"=>array(205,133,0),
|
|---|
| 367 | "orange4"=>array(139,90,0),
|
|---|
| 368 | "darkorange1"=>array(255,127,0),
|
|---|
| 369 | "darkorange2"=>array(238,118,0),
|
|---|
| 370 | "darkorange3"=>array(205,102,0),
|
|---|
| 371 | "darkorange4"=>array(139,69,0),
|
|---|
| 372 | "coral1"=>array(255,114,86),
|
|---|
| 373 | "coral2"=>array(238,106,80),
|
|---|
| 374 | "coral3"=>array(205,91,69),
|
|---|
| 375 | "coral4"=>array(139,62,47),
|
|---|
| 376 | "tomato1"=>array(255,99,71),
|
|---|
| 377 | "tomato2"=>array(238,92,66),
|
|---|
| 378 | "tomato3"=>array(205,79,57),
|
|---|
| 379 | "tomato4"=>array(139,54,38),
|
|---|
| 380 | "orangered1"=>array(255,69,0),
|
|---|
| 381 | "orangered2"=>array(238,64,0),
|
|---|
| 382 | "orangered3"=>array(205,55,0),
|
|---|
| 383 | "orangered4"=>array(139,37,0),
|
|---|
| 384 | "deeppink1"=>array(255,20,147),
|
|---|
| 385 | "deeppink2"=>array(238,18,137),
|
|---|
| 386 | "deeppink3"=>array(205,16,118),
|
|---|
| 387 | "deeppink4"=>array(139,10,80),
|
|---|
| 388 | "hotpink1"=>array(255,110,180),
|
|---|
| 389 | "hotpink2"=>array(238,106,167),
|
|---|
| 390 | "hotpink3"=>array(205,96,144),
|
|---|
| 391 | "hotpink4"=>array(139,58,98),
|
|---|
| 392 | "pink1"=>array(255,181,197),
|
|---|
| 393 | "pink2"=>array(238,169,184),
|
|---|
| 394 | "pink3"=>array(205,145,158),
|
|---|
| 395 | "pink4"=>array(139,99,108),
|
|---|
| 396 | "lightpink1"=>array(255,174,185),
|
|---|
| 397 | "lightpink2"=>array(238,162,173),
|
|---|
| 398 | "lightpink3"=>array(205,140,149),
|
|---|
| 399 | "lightpink4"=>array(139,95,101),
|
|---|
| 400 | "palevioletred1"=>array(255,130,171),
|
|---|
| 401 | "palevioletred2"=>array(238,121,159),
|
|---|
| 402 | "palevioletred3"=>array(205,104,137),
|
|---|
| 403 | "palevioletred4"=>array(139,71,93),
|
|---|
| 404 | "maroon1"=>array(255,52,179),
|
|---|
| 405 | "maroon2"=>array(238,48,167),
|
|---|
| 406 | "maroon3"=>array(205,41,144),
|
|---|
| 407 | "maroon4"=>array(139,28,98),
|
|---|
| 408 | "violetred1"=>array(255,62,150),
|
|---|
| 409 | "violetred2"=>array(238,58,140),
|
|---|
| 410 | "violetred3"=>array(205,50,120),
|
|---|
| 411 | "violetred4"=>array(139,34,82),
|
|---|
| 412 | "magenta1"=>array(255,0,255),
|
|---|
| 413 | "magenta2"=>array(238,0,238),
|
|---|
| 414 | "magenta3"=>array(205,0,205),
|
|---|
| 415 | "magenta4"=>array(139,0,139),
|
|---|
| 416 | "mediumred"=>array(140,34,34),
|
|---|
| 417 | "orchid1"=>array(255,131,250),
|
|---|
| 418 | "orchid2"=>array(238,122,233),
|
|---|
| 419 | "orchid3"=>array(205,105,201),
|
|---|
| 420 | "orchid4"=>array(139,71,137),
|
|---|
| 421 | "plum1"=>array(255,187,255),
|
|---|
| 422 | "plum2"=>array(238,174,238),
|
|---|
| 423 | "plum3"=>array(205,150,205),
|
|---|
| 424 | "plum4"=>array(139,102,139),
|
|---|
| 425 | "mediumorchid1"=>array(224,102,255),
|
|---|
| 426 | "mediumorchid2"=>array(209,95,238),
|
|---|
| 427 | "mediumorchid3"=>array(180,82,205),
|
|---|
| 428 | "mediumorchid4"=>array(122,55,139),
|
|---|
| 429 | "darkorchid1"=>array(191,62,255),
|
|---|
| 430 | "darkorchid2"=>array(178,58,238),
|
|---|
| 431 | "darkorchid3"=>array(154,50,205),
|
|---|
| 432 | "darkorchid4"=>array(104,34,139),
|
|---|
| 433 | "purple1"=>array(155,48,255),
|
|---|
| 434 | "purple2"=>array(145,44,238),
|
|---|
| 435 | "purple3"=>array(125,38,205),
|
|---|
| 436 | "purple4"=>array(85,26,139),
|
|---|
| 437 | "mediumpurple1"=>array(171,130,255),
|
|---|
| 438 | "mediumpurple2"=>array(159,121,238),
|
|---|
| 439 | "mediumpurple3"=>array(137,104,205),
|
|---|
| 440 | "mediumpurple4"=>array(93,71,139),
|
|---|
| 441 | "thistle1"=>array(255,225,255),
|
|---|
| 442 | "thistle2"=>array(238,210,238),
|
|---|
| 443 | "thistle3"=>array(205,181,205),
|
|---|
| 444 | "thistle4"=>array(139,123,139),
|
|---|
| 445 | "gray1"=>array(10,10,10),
|
|---|
| 446 | "gray2"=>array(40,40,30),
|
|---|
| 447 | "gray3"=>array(70,70,70),
|
|---|
| 448 | "gray4"=>array(100,100,100),
|
|---|
| 449 | "gray5"=>array(130,130,130),
|
|---|
| 450 | "gray6"=>array(160,160,160),
|
|---|
| 451 | "gray7"=>array(190,190,190),
|
|---|
| 452 | "gray8"=>array(210,210,210),
|
|---|
| 453 | "gray9"=>array(240,240,240),
|
|---|
| 454 | "darkgray"=>array(100,100,100),
|
|---|
| 455 | "darkblue"=>array(0,0,139),
|
|---|
| 456 | "darkcyan"=>array(0,139,139),
|
|---|
| 457 | "darkmagenta"=>array(139,0,139),
|
|---|
| 458 | "darkred"=>array(139,0,0),
|
|---|
| 459 | "silver"=>array(192, 192, 192),
|
|---|
| 460 | "eggplant"=>array(144,176,168),
|
|---|
| 461 | "lightgreen"=>array(144,238,144));
|
|---|
| 462 | }
|
|---|
| 463 | //----------------
|
|---|
| 464 | // PUBLIC METHODS
|
|---|
| 465 | // Colors can be specified as either
|
|---|
| 466 | // 1. #xxxxxx HTML style
|
|---|
| 467 | // 2. "colorname" as a named color
|
|---|
| 468 | // 3. array(r,g,b) RGB triple
|
|---|
| 469 | // This function translates this to a native RGB format and returns an
|
|---|
| 470 | // RGB triple.
|
|---|
| 471 | function Color($aColor) {
|
|---|
| 472 | if (is_string($aColor)) {
|
|---|
| 473 | // Strip of any alpha factor
|
|---|
| 474 | $pos = strpos($aColor,'@');
|
|---|
| 475 | if( $pos === false ) {
|
|---|
| 476 | $alpha = 0;
|
|---|
| 477 | }
|
|---|
| 478 | else {
|
|---|
| 479 | $pos2 = strpos($aColor,':');
|
|---|
| 480 | if( $pos2===false )
|
|---|
| 481 | $pos2 = $pos-1; // Sentinel
|
|---|
| 482 | if( $pos > $pos2 ) {
|
|---|
| 483 | $alpha = str_replace(',','.',substr($aColor,$pos+1));
|
|---|
| 484 | $aColor = substr($aColor,0,$pos);
|
|---|
| 485 | }
|
|---|
| 486 | else {
|
|---|
| 487 | $alpha = substr($aColor,$pos+1,$pos2-$pos-1);
|
|---|
| 488 | $aColor = substr($aColor,0,$pos).substr($aColor,$pos2);
|
|---|
| 489 | }
|
|---|
| 490 | }
|
|---|
| 491 |
|
|---|
| 492 | // Extract potential adjustment figure at end of color
|
|---|
| 493 | // specification
|
|---|
| 494 | $pos = strpos($aColor,":");
|
|---|
| 495 | if( $pos === false ) {
|
|---|
| 496 | $adj = 1.0;
|
|---|
| 497 | }
|
|---|
| 498 | else {
|
|---|
| 499 | $adj = 0.0 + str_replace(',','.',substr($aColor,$pos+1));
|
|---|
| 500 | $aColor = substr($aColor,0,$pos);
|
|---|
| 501 | }
|
|---|
| 502 | if( $adj < 0 )
|
|---|
| 503 | JpGraphError::RaiseL(25077);//('Adjustment factor for color must be > 0');
|
|---|
| 504 |
|
|---|
| 505 | if (substr($aColor, 0, 1) == "#") {
|
|---|
| 506 | $r = hexdec(substr($aColor, 1, 2));
|
|---|
| 507 | $g = hexdec(substr($aColor, 3, 2));
|
|---|
| 508 | $b = hexdec(substr($aColor, 5, 2));
|
|---|
| 509 | } else {
|
|---|
| 510 | if(!isset($this->rgb_table[$aColor]) )
|
|---|
| 511 | JpGraphError::RaiseL(25078,$aColor);//(" Unknown color: $aColor");
|
|---|
| 512 | $tmp=$this->rgb_table[$aColor];
|
|---|
| 513 | $r = $tmp[0];
|
|---|
| 514 | $g = $tmp[1];
|
|---|
| 515 | $b = $tmp[2];
|
|---|
| 516 | }
|
|---|
| 517 | // Scale adj so that an adj=2 always
|
|---|
| 518 | // makes the color 100% white (i.e. 255,255,255.
|
|---|
| 519 | // and adj=1 neutral and adj=0 black.
|
|---|
| 520 | if( $adj > 1 ) {
|
|---|
| 521 | $m = ($adj-1.0)*(255-min(255,min($r,min($g,$b))));
|
|---|
| 522 | return array(min(255,$r+$m), min(255,$g+$m), min(255,$b+$m),$alpha);
|
|---|
| 523 | }
|
|---|
| 524 | elseif( $adj < 1 ) {
|
|---|
| 525 | $m = ($adj-1.0)*max(255,max($r,max($g,$b)));
|
|---|
| 526 | return array(max(0,$r+$m), max(0,$g+$m), max(0,$b+$m),$alpha);
|
|---|
| 527 | }
|
|---|
| 528 | else {
|
|---|
| 529 | return array($r,$g,$b,$alpha);
|
|---|
| 530 | }
|
|---|
| 531 |
|
|---|
| 532 | } elseif( is_array($aColor) ) {
|
|---|
| 533 | if( count($aColor)==3 ) {
|
|---|
| 534 | $aColor[3]=0;
|
|---|
| 535 | return $aColor;
|
|---|
| 536 | }
|
|---|
| 537 | else
|
|---|
| 538 | return $aColor;
|
|---|
| 539 | }
|
|---|
| 540 | else
|
|---|
| 541 | JpGraphError::RaiseL(25079,$aColor,count($aColor));//(" Unknown color specification: $aColor , size=".count($aColor));
|
|---|
| 542 | }
|
|---|
| 543 |
|
|---|
| 544 | // Compare two colors
|
|---|
| 545 | // return true if equal
|
|---|
| 546 | function Equal($aCol1,$aCol2) {
|
|---|
| 547 | $c1 = $this->Color($aCol1);
|
|---|
| 548 | $c2 = $this->Color($aCol2);
|
|---|
| 549 | if( $c1[0]==$c2[0] && $c1[1]==$c2[1] && $c1[2]==$c2[2] )
|
|---|
| 550 | return true;
|
|---|
| 551 | else
|
|---|
| 552 | return false;
|
|---|
| 553 | }
|
|---|
| 554 |
|
|---|
| 555 | // Allocate a new color in the current image
|
|---|
| 556 | // Return new color index, -1 if no more colors could be allocated
|
|---|
| 557 | function Allocate($aColor,$aAlpha=0.0) {
|
|---|
| 558 | list ($r, $g, $b, $a) = $this->color($aColor);
|
|---|
| 559 | // If alpha is specified in the color string then this
|
|---|
| 560 | // takes precedence over the second argument
|
|---|
| 561 | if( $a > 0 )
|
|---|
| 562 | $aAlpha = $a;
|
|---|
| 563 | if( $aAlpha < 0 || $aAlpha > 1 ) {
|
|---|
| 564 | JpGraphError::RaiseL(25080);//('Alpha parameter for color must be between 0.0 and 1.0');
|
|---|
| 565 | }
|
|---|
| 566 | return imagecolorresolvealpha($this->img, $r, $g, $b, round($aAlpha * 127));
|
|---|
| 567 | }
|
|---|
| 568 | } // Class
|
|---|
| 569 |
|
|---|
| 570 | ?>
|
|---|
