function watermark::_get_ave_color in ImageCache Actions 5.2

Same name and namespace in other branches

1. 8 watermark.inc \watermark::_get_ave_color()
2. 5.3 watermark.inc \watermark::_get_ave_color()
3. 6.2 watermark.inc \watermark::_get_ave_color()
4. 6 watermark.inc \watermark::_get_ave_color()
5. 7 watermark.inc \watermark::_get_ave_color()

1 call to watermark::_get_ave_color()

watermark::create_watermark in ./watermark.inc

File

./watermark.inc, line 72

routine for image layering

Class

watermark

Code

function _get_ave_color($color_a, $color_b, $alpha_level) {
  return round($color_a * (1 - $alpha_level) + $color_b * $alpha_level);
}