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Palette.php
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Palette.php
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<?php
require_once(dirname(__FILE__).'/Color.php');
class Palette {
/** @todo Are the keys on this array always numbers, and always
* sequential? That's the way it's used in the code, but I don't
* think we enforce that anywhere. Is enforcing it a sensible
* thing to do? */
public $colors = array();
static public function defaultPalette() {
$palette = new Palette;
$palette->colors = array('0' => new Color(188, 224, 46 ),
"1" => new Color(224, 100, 46 ),
"2" => new Color(224, 214, 46 ),
"3" => new Color(46, 151, 224 ),
"4" => new Color(176, 46, 224 ),
"5" => new Color(224, 46, 117 ),
"6" => new Color(92, 224, 46 ),
"7" => new Color(224, 176, 46 ) );
return $palette;
}
static public function colorGradientPalette(Color $color1, Color $color2, $shades) {
$palette = new Palette();
$RFactor = ($color2->getR() - $color1->getR()) / $shades;
$GFactor = ($color2->getG() - $color1->getG()) / $shades;
$BFactor = ($color2->getB() - $color1->getB()) / $shades;
for($i = 0; $i <= $shades - 1; $i ++) {
$palette->colors[$i] = new Color($color1->getR() + $RFactor * $i,
$color1->getG() + $GFactor * $i,
$color1->getB() + $BFactor * $i);
}
return $palette;
}
public function setColor($id, Color $color) {
$this->colors[$id] = $color;
}
}