Automated build for v0.01
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Fmstrat
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351
include/colors.php
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351
include/colors.php
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<?php
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if (file_exists("lib/floIcon.php")) {
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require_once "lib/floIcon.php";
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}
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function _resolve_htmlcolor($color) {
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$htmlcolors = array ("aliceblue" => "#f0f8ff",
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"antiquewhite" => "#faebd7",
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"aqua" => "#00ffff",
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"aquamarine" => "#7fffd4",
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"azure" => "#f0ffff",
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"beige" => "#f5f5dc",
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"bisque" => "#ffe4c4",
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"black" => "#000000",
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"blanchedalmond" => "#ffebcd",
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"blue" => "#0000ff",
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"blueviolet" => "#8a2be2",
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"brown" => "#a52a2a",
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"burlywood" => "#deb887",
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"cadetblue" => "#5f9ea0",
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"chartreuse" => "#7fff00",
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"chocolate" => "#d2691e",
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"coral" => "#ff7f50",
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"cornflowerblue" => "#6495ed",
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"cornsilk" => "#fff8dc",
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"crimson" => "#dc143c",
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"cyan" => "#00ffff",
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"darkblue" => "#00008b",
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"darkcyan" => "#008b8b",
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"darkgoldenrod" => "#b8860b",
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"darkgray" => "#a9a9a9",
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"darkgrey" => "#a9a9a9",
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"darkgreen" => "#006400",
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"darkkhaki" => "#bdb76b",
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"darkmagenta" => "#8b008b",
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"darkolivegreen" => "#556b2f",
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"darkorange" => "#ff8c00",
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"darkorchid" => "#9932cc",
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"darkred" => "#8b0000",
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"darksalmon" => "#e9967a",
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"darkseagreen" => "#8fbc8f",
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"darkslateblue" => "#483d8b",
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"darkslategray" => "#2f4f4f",
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"darkslategrey" => "#2f4f4f",
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"darkturquoise" => "#00ced1",
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"darkviolet" => "#9400d3",
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"deeppink" => "#ff1493",
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"deepskyblue" => "#00bfff",
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"dimgray" => "#696969",
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"dimgrey" => "#696969",
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"dodgerblue" => "#1e90ff",
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"firebrick" => "#b22222",
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"floralwhite" => "#fffaf0",
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"forestgreen" => "#228b22",
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"fuchsia" => "#ff00ff",
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"gainsboro" => "#dcdcdc",
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"ghostwhite" => "#f8f8ff",
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"gold" => "#ffd700",
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"goldenrod" => "#daa520",
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"gray" => "#808080",
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"grey" => "#808080",
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"green" => "#008000",
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"greenyellow" => "#adff2f",
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"honeydew" => "#f0fff0",
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"hotpink" => "#ff69b4",
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"indianred " => "#cd5c5c",
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"indigo " => "#4b0082",
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"ivory" => "#fffff0",
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"khaki" => "#f0e68c",
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"lavender" => "#e6e6fa",
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"lavenderblush" => "#fff0f5",
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"lawngreen" => "#7cfc00",
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"lemonchiffon" => "#fffacd",
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"lightblue" => "#add8e6",
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"lightcoral" => "#f08080",
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"lightcyan" => "#e0ffff",
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"lightgoldenrodyellow" => "#fafad2",
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"lightgray" => "#d3d3d3",
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"lightgrey" => "#d3d3d3",
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"lightgreen" => "#90ee90",
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"lightpink" => "#ffb6c1",
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"lightsalmon" => "#ffa07a",
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"lightseagreen" => "#20b2aa",
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"lightskyblue" => "#87cefa",
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"lightslategray" => "#778899",
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"lightslategrey" => "#778899",
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"lightsteelblue" => "#b0c4de",
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"lightyellow" => "#ffffe0",
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"lime" => "#00ff00",
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"limegreen" => "#32cd32",
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"linen" => "#faf0e6",
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"magenta" => "#ff00ff",
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"maroon" => "#800000",
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"mediumaquamarine" => "#66cdaa",
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"mediumblue" => "#0000cd",
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"mediumorchid" => "#ba55d3",
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"mediumpurple" => "#9370db",
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"mediumseagreen" => "#3cb371",
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"mediumslateblue" => "#7b68ee",
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"mediumspringgreen" => "#00fa9a",
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"mediumturquoise" => "#48d1cc",
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"mediumvioletred" => "#c71585",
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"midnightblue" => "#191970",
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"mintcream" => "#f5fffa",
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"mistyrose" => "#ffe4e1",
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"moccasin" => "#ffe4b5",
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"navajowhite" => "#ffdead",
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"navy" => "#000080",
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"oldlace" => "#fdf5e6",
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"olive" => "#808000",
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"olivedrab" => "#6b8e23",
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"orange" => "#ffa500",
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"orangered" => "#ff4500",
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"orchid" => "#da70d6",
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"palegoldenrod" => "#eee8aa",
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"palegreen" => "#98fb98",
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"paleturquoise" => "#afeeee",
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"palevioletred" => "#db7093",
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"papayawhip" => "#ffefd5",
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"peachpuff" => "#ffdab9",
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"peru" => "#cd853f",
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"pink" => "#ffc0cb",
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"plum" => "#dda0dd",
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"powderblue" => "#b0e0e6",
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"purple" => "#800080",
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"red" => "#ff0000",
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"rosybrown" => "#bc8f8f",
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"royalblue" => "#4169e1",
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"saddlebrown" => "#8b4513",
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"salmon" => "#fa8072",
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"sandybrown" => "#f4a460",
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"seagreen" => "#2e8b57",
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"seashell" => "#fff5ee",
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"sienna" => "#a0522d",
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"silver" => "#c0c0c0",
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"skyblue" => "#87ceeb",
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"slateblue" => "#6a5acd",
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"slategray" => "#708090",
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"slategrey" => "#708090",
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"snow" => "#fffafa",
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"springgreen" => "#00ff7f",
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"steelblue" => "#4682b4",
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"tan" => "#d2b48c",
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"teal" => "#008080",
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"thistle" => "#d8bfd8",
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"tomato" => "#ff6347",
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"turquoise" => "#40e0d0",
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"violet" => "#ee82ee",
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"wheat" => "#f5deb3",
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"white" => "#ffffff",
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"whitesmoke" => "#f5f5f5",
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"yellow" => "#ffff00",
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"yellowgreen" => "#9acd32");
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$color = strtolower($color);
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if (isset($htmlcolors[$color]))
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return $htmlcolors[$color];
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else
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return $color;
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}
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### RGB >> HSL
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function _color_rgb2hsl($rgb) {
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$r = $rgb[0]; $g = $rgb[1]; $b = $rgb[2];
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$min = min($r, min($g, $b)); $max = max($r, max($g, $b));
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$delta = $max - $min; $l = ($min + $max) / 2; $s = 0;
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if ($l > 0 && $l < 1) {
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$s = $delta / ($l < 0.5 ? (2 * $l) : (2 - 2 * $l));
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}
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$h = 0;
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if ($delta > 0) {
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if ($max == $r && $max != $g) $h += ($g - $b) / $delta;
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if ($max == $g && $max != $b) $h += (2 + ($b - $r) / $delta);
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if ($max == $b && $max != $r) $h += (4 + ($r - $g) / $delta);
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$h /= 6;
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} return array($h, $s, $l);
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}
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### HSL >> RGB
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function _color_hsl2rgb($hsl) {
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$h = $hsl[0]; $s = $hsl[1]; $l = $hsl[2];
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$m2 = ($l <= 0.5) ? $l * ($s + 1) : $l + $s - $l*$s;
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$m1 = $l * 2 - $m2;
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return array(_color_hue2rgb($m1, $m2, $h + 0.33333),
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_color_hue2rgb($m1, $m2, $h),
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_color_hue2rgb($m1, $m2, $h - 0.33333));
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}
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### Helper function for _color_hsl2rgb().
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function _color_hue2rgb($m1, $m2, $h) {
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$h = ($h < 0) ? $h + 1 : (($h > 1) ? $h - 1 : $h);
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if ($h * 6 < 1) return $m1 + ($m2 - $m1) * $h * 6;
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if ($h * 2 < 1) return $m2;
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if ($h * 3 < 2) return $m1 + ($m2 - $m1) * (0.66666 - $h) * 6;
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return $m1;
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}
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### Convert a hex color into an RGB triplet.
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function _color_unpack($hex, $normalize = false) {
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if (strpos($hex, '#') !== 0)
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$hex = _resolve_htmlcolor($hex);
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if (strlen($hex) == 4) {
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$hex = $hex[1] . $hex[1] . $hex[2] . $hex[2] . $hex[3] . $hex[3];
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} $c = hexdec($hex);
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for ($i = 16; $i >= 0; $i -= 8) {
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$out[] = (($c >> $i) & 0xFF) / ($normalize ? 255 : 1);
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} return $out;
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}
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### Convert an RGB triplet to a hex color.
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function _color_pack($rgb, $normalize = false) {
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foreach ($rgb as $k => $v) {
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$out |= (($v * ($normalize ? 255 : 1)) << (16 - $k * 8));
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}return '#'. str_pad(dechex($out), 6, 0, STR_PAD_LEFT);
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}
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function rgb2hsl($arr) {
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$r = $arr[0];
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$g = $arr[1];
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$b = $arr[2];
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$var_R = ($r / 255);
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$var_G = ($g / 255);
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$var_B = ($b / 255);
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$var_Min = min($var_R, $var_G, $var_B);
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$var_Max = max($var_R, $var_G, $var_B);
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$del_Max = $var_Max - $var_Min;
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$v = $var_Max;
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if ($del_Max == 0) {
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$h = 0;
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$s = 0;
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} else {
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$s = $del_Max / $var_Max;
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$del_R = ((($var_Max - $var_R ) / 6 ) + ($del_Max / 2 ) ) / $del_Max;
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$del_G = ((($var_Max - $var_G ) / 6 ) + ($del_Max / 2 ) ) / $del_Max;
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$del_B = ((($var_Max - $var_B ) / 6 ) + ($del_Max / 2 ) ) / $del_Max;
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if ($var_R == $var_Max) $h = $del_B - $del_G;
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else if ($var_G == $var_Max) $h = (1 / 3 ) + $del_R - $del_B;
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else if ($var_B == $var_Max) $h = (2 / 3 ) + $del_G - $del_R;
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if ($h < 0) $h++;
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if ($h > 1) $h--;
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}
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return array($h, $s, $v);
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}
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function hsl2rgb($arr) {
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$h = $arr[0];
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$s = $arr[1];
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$v = $arr[2];
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if($s == 0) {
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$r = $g = $B = $v * 255;
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} else {
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$var_H = $h * 6;
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$var_i = floor($var_H );
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$var_1 = $v * (1 - $s );
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$var_2 = $v * (1 - $s * ($var_H - $var_i ) );
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$var_3 = $v * (1 - $s * (1 - ($var_H - $var_i ) ) );
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if ($var_i == 0) { $var_R = $v ; $var_G = $var_3 ; $var_B = $var_1 ; }
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else if ($var_i == 1) { $var_R = $var_2 ; $var_G = $v ; $var_B = $var_1 ; }
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else if ($var_i == 2) { $var_R = $var_1 ; $var_G = $v ; $var_B = $var_3 ; }
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else if ($var_i == 3) { $var_R = $var_1 ; $var_G = $var_2 ; $var_B = $v ; }
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else if ($var_i == 4) { $var_R = $var_3 ; $var_G = $var_1 ; $var_B = $v ; }
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else { $var_R = $v ; $var_G = $var_1 ; $var_B = $var_2 ; }
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$r = $var_R * 255;
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$g = $var_G * 255;
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$B = $var_B * 255;
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}
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return array($r, $g, $B);
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}
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function colorPalette($imageFile, $numColors, $granularity = 5) {
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$granularity = max(1, abs((int)$granularity));
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$colors = array();
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$size = @getimagesize($imageFile);
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// to enable .ico support place floIcon.php into lib/
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if (strtolower($size['mime']) == 'image/vnd.microsoft.icon') {
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if (class_exists("floIcon")) {
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$ico = new floIcon();
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@$ico->readICO($imageFile);
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if(count($ico->images)==0)
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return false;
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else
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$img = @$ico->images[count($ico->images)-1]->getImageResource();
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} else {
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return false;
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}
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} else if ($size[0] > 0 && $size[1] > 0) {
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$img = @imagecreatefromstring(file_get_contents($imageFile));
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}
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if (!$img) return false;
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for($x = 0; $x < $size[0]; $x += $granularity) {
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for($y = 0; $y < $size[1]; $y += $granularity) {
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$thisColor = imagecolorat($img, $x, $y);
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$rgb = imagecolorsforindex($img, $thisColor);
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$red = round(round(($rgb['red'] / 0x33)) * 0x33);
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$green = round(round(($rgb['green'] / 0x33)) * 0x33);
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$blue = round(round(($rgb['blue'] / 0x33)) * 0x33);
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$thisRGB = sprintf('%02X%02X%02X', $red, $green, $blue);
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if(array_key_exists($thisRGB, $colors)) {
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$colors[$thisRGB]++;
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} else{
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$colors[$thisRGB] = 1;
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}
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}
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}
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arsort($colors);
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return array_slice(array_keys($colors), 0, $numColors);
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}
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function calculate_avg_color($iconFile) {
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$palette = colorPalette($iconFile, 4, 4);
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if (is_array($palette)) {
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foreach ($palette as $p) {
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$hsl = rgb2hsl(_color_unpack("#$p"));
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if ($hsl[1] > 0.25 && $hsl[2] > 0.25 &&
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!($hsl[0] >= 0 && $hsl[0] < 0.01 && $hsl[1] < 0.01) &&
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!($hsl[0] >= 0 && $hsl[0] < 0.01 && $hsl[2] > 0.99)) {
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return _color_pack(hsl2rgb($hsl));
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}
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}
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}
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return '';
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}
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