function _color_blend

Same name in other branches
  1. 9 core/modules/color/color.module \_color_blend()
  2. 8.9.x core/modules/color/color.module \_color_blend()

Blends two hex colors and returns the GD color.

1 call to _color_blend()
_color_render_images in modules/color/color.module
Renders images that match a given palette.

File

modules/color/color.module, line 722

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) {
        $out[] = (int) ($in1[$i] + ($in2[$i] - $in1[$i]) * $alpha);
    }
    return call_user_func_array('imagecolorallocate', $out);
}

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