_color_blend($img, $hex1, $hex2, $alpha)
Blends two hex colors and returns the GD color.
File
core/modules/color/color.module, line 739 Allows users to change the color scheme of themes.
Code
function _color_blend($img, $hex1, $hex2, $alpha) {
$in1 = _color_unpack($hex1);
$in2 = _color_unpack($hex2);
$out = array($img);
for ($i = 0; $i < 3; ++$i) {
$out[] = $in1[$i] + ($in2[$i] - $in1[$i]) * $alpha;
}
return call_user_func_array('imagecolorallocate', $out);
}
